/* ========================================
   D-system Website Styles (v2.0)
   水商売専用POS - 2000店舗実績
   ======================================== */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #1a1a1a;
    --color-bg-card: #222222;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b0b0b0;
    --color-accent: #4a90e2;
    --color-accent-hover: #5fa3f5;
    --color-border: #333333;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-family: 'Noto Sans JP', sans-serif;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Responsive line breaks */
.br-sp {
    display: none;
}

.br-pc {
    display: inline;
}

@media (max-width: 768px) {
    .br-sp {
        display: inline;
    }
    
    .br-pc {
        display: none;
    }
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-text-primary);
    text-decoration: none;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.nav-menu a:hover {
    color: var(--color-text-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all 0.3s ease;
}

.btn-cta-nav {
    background: var(--color-accent);
    color: var(--color-text-primary) !important;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
}

.btn-cta-nav:hover {
    background: var(--color-accent-hover);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 77, 77, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 77, 77, 0.05) 0%, transparent 50%);
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(255, 255, 255, 0.01) 2px,
        rgba(255, 255, 255, 0.01) 4px
    );
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
    padding-bottom: 6rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.highlight-text {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.9;
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
    z-index: 10;
    padding: 1rem;
}

.hero-scroll i {
    display: block;
    margin-top: var(--spacing-xs);
}

/* Hide scroll indicator on very short screens */
@media (max-height: 700px) {
    .hero-scroll {
        display: none;
    }
}

/* Adjust for landscape mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
        padding-bottom: 2rem;
    }
    
    .hero-scroll {
        display: none;
    }
}

/* Hide on short portrait screens */
@media (max-height: 650px) and (orientation: portrait) {
    .hero-scroll {
        display: none;
    }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-text-primary);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 77, 77, 0.3);
}

.btn-secondary {
    background: var(--color-bg-card);
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-accent);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-border);
}

.btn-outline:hover {
    background: var(--color-bg-card);
    border-color: var(--color-accent);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
}

/* ========================================
   Trust / Achievements Section
   ======================================== */
.trust-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
    text-align: center;
}

/* ========================================
   Coverage Area & Scale Section (NEW)
   ======================================== */
.coverage-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
}

/* 大型カードレイアウト */
.coverage-highlights-large {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.coverage-card {
    background: var(--color-bg-card);
    border: 2px solid rgba(74, 144, 226, 0.2);
    border-radius: 20px;
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.coverage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent) 0%, #3a7bd5 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.coverage-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(74, 144, 226, 0.3);
}

.coverage-card:hover::before {
    transform: scaleX(1);
}

.coverage-card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #3a7bd5 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    color: #fff;
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.4);
}

.coverage-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.coverage-card-content {
    margin-top: var(--spacing-md);
}

/* バッジ */
.coverage-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.coverage-badge.primary {
    background: rgba(74, 144, 226, 0.2);
    color: var(--color-accent);
    border: 1px solid rgba(74, 144, 226, 0.3);
}

.coverage-badge.success {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.coverage-badge.info {
    background: rgba(233, 30, 99, 0.2);
    color: #e91e63;
    border: 1px solid rgba(233, 30, 99, 0.3);
}

/* チェックリスト */
.coverage-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.coverage-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.coverage-item i {
    color: var(--color-accent);
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* 統計表示 */
.coverage-stats {
    display: flex;
    justify-content: space-around;
    margin-bottom: var(--spacing-md);
}

.coverage-stat {
    text-align: center;
}

.stat-percentage {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* スケールバー */
.coverage-scale-bar {
    display: flex;
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
}

.scale-fill {
    transition: width 0.5s ease;
}

.scale-fill.scale-1 {
    background: linear-gradient(90deg, #4a90e2 0%, #5fa3f5 100%);
}

.scale-fill.scale-2 {
    background: linear-gradient(90deg, #5fa3f5 0%, #74b6ff 100%);
}

.scale-fill.scale-3 {
    background: linear-gradient(90deg, #74b6ff 0%, #89c9ff 100%);
}

/* 業種アイコン */
.business-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}

.business-type-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    transition: all 0.3s ease;
}

.business-type-item:hover {
    background: rgba(74, 144, 226, 0.1);
    border-color: var(--color-accent);
    color: #fff;
}

.business-type-item i {
    color: var(--color-accent);
    font-size: 1.3rem;
    flex-shrink: 0;
}

/* 地図セクション */
.coverage-map-section {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--color-bg-card);
    border-radius: 20px;
    border: 1px solid var(--color-border);
}

.coverage-subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
}

.coverage-subtitle i {
    color: var(--color-accent);
}

.japan-map-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-md);
    background: transparent;
}

.map-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    mix-blend-mode: lighten;
    background: transparent;
    filter: brightness(1.2) contrast(1.1);
}

.coverage-note {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-md);
}

/* 旧スタイル（互換性のため残す） */
.coverage-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.coverage-text {
    font-size: 1.2rem;
    line-height: 2;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.coverage-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto var(--spacing-lg);
}

.coverage-map,
.coverage-scale {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--color-border);
}

.coverage-map h3,
.coverage-scale h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.japan-map {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.map-image {
    width: 100%;
    height: auto;
    max-width: 500px;
    object-fit: contain;
    border-radius: 10px;
    mix-blend-mode: lighten;
    background: transparent;
    filter: brightness(1.2) contrast(1.1);
}

.map-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.map-note {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    margin-top: var(--spacing-sm);
}

.scale-graph {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.scale-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.scale-label {
    min-width: 120px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.scale-value {
    height: 30px;
    background: linear-gradient(90deg, var(--color-accent) 0%, #5fa3f5 100%);
    border-radius: 5px;
    transition: width 0.5s ease;
}

.coverage-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.coverage-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all 0.3s ease;
}

.coverage-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
}

.coverage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(255, 77, 77, 0.2) 0%, rgba(255, 77, 77, 0.05) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.coverage-icon i {
    font-size: 1.8rem;
    color: var(--color-accent);
}

.coverage-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.5;
}

.trust-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}

.trust-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.logo-carousel {
    overflow: hidden;
    margin: var(--spacing-lg) 0;
    width: 100%;
}

.logo-track {
    display: flex;
    gap: 1.5rem;
    animation: scroll 40s linear infinite;
    width: max-content;
}

.logo-carousel:hover .logo-track {
    animation-play-state: paused;
}

/* Disable hover pause on touch devices */
@media (hover: none) {
    .logo-carousel:hover .logo-track {
        animation-play-state: running;
    }
}

/* Also disable on mobile screens */
@media (max-width: 768px) {
    .logo-carousel:hover .logo-track {
        animation-play-state: running;
    }
}

.logo-item {
    min-width: 200px;
    max-width: 200px;
    height: 110px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    padding: 0.5rem;
    flex-shrink: 0;
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

.logo-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.trust-note {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-md);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-100% / 2));
    }
}

/* ========================================
   Philosophy Section
   ======================================== */
.philosophy-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    font-weight: 400;
    line-height: 1.8;
    margin-top: var(--spacing-sm);
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-top: var(--spacing-sm);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.philosophy-content {
    max-width: 900px;
    margin: 0 auto;
}

.philosophy-main {
    text-align: center;
}

.philosophy-headline {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
}

.philosophy-text {
    font-size: 1.2rem;
    line-height: 2;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   Features Grid Section
   ======================================== */
.product-preview {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
}

.preview-image {
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.preview-image:hover {
    transform: translateY(-5px) scale(1.02);
}

.preview-image img {
    width: 100%;
    height: auto;
    display: block;
    filter: drop-shadow(0 10px 40px rgba(0, 0, 0, 0.5));
    transition: filter 0.3s ease;
}

.preview-image:hover img {
    filter: drop-shadow(0 15px 50px rgba(74, 144, 226, 0.4));
}

.preview-caption {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.preview-caption p {
    margin: 0;
}

/* Screen Features Grid - 実機画面の特徴カード */
.screen-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.screen-feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.screen-feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.screen-feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-color), #357ABD);
    border-radius: 50%;
    font-size: 1.8rem;
    color: #fff;
}

.screen-feature-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.screen-feature-card p {
    font-size: 0.95rem;
    color: var(--text-color-secondary);
    line-height: 1.6;
}

/* Why Specialized Section - なぜ水商売専用なのか */
.why-specialized-section {
    position: relative;
}

.why-specialized-highlight {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.15) 0%, rgba(74, 144, 226, 0.05) 100%);
    border: 2px solid rgba(74, 144, 226, 0.3);
    border-radius: 20px;
    padding: var(--spacing-xl);
    text-align: center;
    margin: var(--spacing-xl) auto;
    max-width: 900px;
    box-shadow: 0 10px 40px rgba(74, 144, 226, 0.2);
}

.highlight-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    border-radius: 50%;
    font-size: 2.5rem;
    color: #000;
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
}

.highlight-title {
    font-size: 1.8rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.highlight-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.reason-grid-enhanced {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.reason-card-enhanced {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-lg);
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

.reason-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), #5fa3f5);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.reason-card-enhanced:hover::before {
    transform: scaleX(1);
}

.reason-card-enhanced:hover {
    background: rgba(74, 144, 226, 0.08);
    border-color: var(--accent-color);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(74, 144, 226, 0.3);
}

.reason-number {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-color), #3a7bd5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 900;
    color: #fff;
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.4);
}

.reason-icon-enhanced {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.2), rgba(74, 144, 226, 0.1));
    border: 2px solid rgba(74, 144, 226, 0.3);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.reason-card-enhanced:hover .reason-icon-enhanced {
    background: linear-gradient(135deg, var(--accent-color), #3a7bd5);
    color: #fff;
    transform: scale(1.1) rotate(5deg);
}

.reason-card-enhanced h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.reason-card-enhanced p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    text-align: center;
}

.reason-tag {
    display: inline-block;
    margin-top: var(--spacing-md);
    padding: 0.4rem 1rem;
    background: rgba(74, 144, 226, 0.2);
    border: 1px solid var(--accent-color);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-color);
    text-align: center;
}

/* Usecase Section - 現場別ユースケース */
.usecase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.usecase-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--spacing-xl);
    position: relative;
    transition: all 0.4s ease;
    overflow: hidden;
}

.usecase-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--accent-color), #5fa3f5, #3a7bd5);
    border-radius: 20px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.4s ease;
}

.usecase-card:hover::before {
    opacity: 1;
}

.usecase-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(74, 144, 226, 0.4);
}

.usecase-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-color), #3a7bd5);
    border-radius: 50%;
    font-size: 2.5rem;
    color: #fff;
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.5);
    transition: all 0.3s ease;
}

.usecase-card:hover .usecase-icon {
    transform: scale(1.15) rotate(10deg);
}

.usecase-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--spacing-md);
    text-align: center;
    line-height: 1.4;
}

.usecase-desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.usecase-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.15) 0%, rgba(74, 144, 226, 0.05) 100%);
    border: 1px solid rgba(74, 144, 226, 0.3);
    border-radius: 10px;
    text-align: center;
}

.usecase-highlight i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.usecase-highlight strong {
    color: #fff;
    font-size: 1.05rem;
    font-weight: 700;
}

.usecase-example {
    background: rgba(74, 144, 226, 0.1);
    border-left: 4px solid var(--accent-color);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-top: var(--spacing-lg);
}

.usecase-example strong {
    display: block;
    color: var(--accent-color);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.usecase-example p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* Strength Section - アプリ型iPad POSの強み */
.strength-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.strength-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-xl);
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.strength-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), #5fa3f5);
    transition: width 0.4s ease;
    border-radius: 0 0 4px 4px;
}

.strength-card:hover::after {
    width: 100%;
}

.strength-card:hover {
    background: rgba(74, 144, 226, 0.08);
    border-color: var(--accent-color);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(74, 144, 226, 0.3);
}

.strength-icon {
    width: 90px;
    height: 90px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.2), rgba(74, 144, 226, 0.1));
    border: 3px solid rgba(74, 144, 226, 0.3);
    border-radius: 50%;
    font-size: 2.5rem;
    color: var(--accent-color);
    transition: all 0.3s ease;
    position: relative;
}

.strength-icon::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), #5fa3f5);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.strength-card:hover .strength-icon {
    color: #fff;
    border-color: transparent;
}

.strength-card:hover .strength-icon::before {
    opacity: 1;
}

.strength-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--spacing-md);
}

.strength-card p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.feature-card {
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: 15px;
    padding: var(--spacing-md);
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.feature-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(74, 144, 226, 0.3);
}

.feature-card-number {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(74, 144, 226, 0.1);
    line-height: 1;
}

.feature-card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #5fa3f5 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    margin: 0 auto var(--spacing-md);
    box-shadow: 0 5px 20px rgba(74, 144, 226, 0.4);
}

.feature-card:hover .feature-card-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.6);
}

.feature-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.feature-card-list {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.feature-card-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 0.7rem 0;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    border-bottom: 1px solid var(--color-border);
}

.feature-card-list li:last-child {
    border-bottom: none;
}

.feature-card-list i {
    color: var(--color-accent);
    font-size: 1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    background: rgba(74, 144, 226, 0.1);
    transition: all 0.3s ease;
    justify-content: center;
    margin-top: auto;
}

.feature-link:hover {
    background: var(--color-accent);
    color: #fff;
    transform: translateX(5px);
}

.feature-link i {
    transition: transform 0.3s ease;
}

.feature-link:hover i {
    transform: translateX(5px);
}

.highlight-accent {
    color: var(--color-accent);
    font-weight: 700;
}

/* ========================================
   About Section (D-systemとは)
   ======================================== */
.about-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(74, 144, 226, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.about-content {
    position: relative;
    z-index: 1;
}

/* メインメッセージ */
.about-main-message {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

/* Three Specs Container - 3仕様カード */
.three-specs-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) auto;
    max-width: 1000px;
}

.spec-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 2px solid rgba(74, 144, 226, 0.3);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.spec-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), #5fa3f5);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.spec-card:hover::before {
    transform: scaleX(1);
}

.spec-card:hover {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.15) 0%, rgba(74, 144, 226, 0.05) 100%);
    border-color: var(--accent-color);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(74, 144, 226, 0.4);
}

.spec-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-color), #3a7bd5);
    border-radius: 50%;
    font-size: 2rem;
    color: #fff;
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.5);
    transition: all 0.3s ease;
}

.spec-card:hover .spec-icon {
    transform: scale(1.15) rotate(10deg);
}

.spec-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--spacing-sm);
}

.spec-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Implementation Flow - 導入フロー */
.implementation-flow {
    max-width: 900px;
    margin: 0 auto;
}

.impl-step-enhanced {
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
}

.impl-step-enhanced.highlight {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(74, 144, 226, 0.05) 100%);
    box-shadow: 0 10px 40px rgba(74, 144, 226, 0.2);
}

.impl-step-enhanced:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.impl-step-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.impl-number-large {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color), #3a7bd5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 900;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(74, 144, 226, 0.4);
}

.impl-step-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.impl-step-body {
    margin-left: 76px;
}

.impl-desc {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.impl-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(74, 144, 226, 0.1);
    border-left: 3px solid var(--accent-color);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
}

.impl-note i {
    color: var(--accent-color);
}

.impl-highlight-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.15) 0%, rgba(255, 165, 0, 0.1) 100%);
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 10px;
    margin-top: var(--spacing-md);
}

.impl-highlight-note i {
    color: #FFD700;
    font-size: 1.2rem;
}

.impl-highlight-note strong {
    color: #FFD700;
    font-weight: 700;
}

.spec-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.spec-option-badge {
    padding: 0.5rem 1rem;
    background: rgba(74, 144, 226, 0.15);
    border: 1px solid var(--accent-color);
    border-radius: 20px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
}

.qr-example {
    display: flex;
    justify-content: center;
    margin: var(--spacing-lg) 0;
}

.qr-box {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed var(--accent-color);
    border-radius: 12px;
    text-align: center;
}

.impl-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.impl-feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.impl-feature-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.flow-arrow-down {
    text-align: center;
    margin: var(--spacing-md) 0;
    font-size: 2rem;
    color: var(--accent-color);
}

.implementation-time {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.time-box {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.2) 0%, rgba(74, 144, 226, 0.1) 100%);
    border: 2px solid var(--accent-color);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(74, 144, 226, 0.3);
}

.time-box i {
    font-size: 4rem;
    color: var(--accent-color);
}

.time-content {
    text-align: left;
}

.time-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.time-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin: 0.5rem 0;
}

.time-highlight {
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent-color);
    margin: 0 0.3rem;
}

.time-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin: 0;
}

/* D-handy 料金プラン情報 */
.pricing-plan-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.pricing-plan-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.pricing-plan-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.pricing-plan-item.highlight-plan {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.15), rgba(41, 128, 185, 0.1));
    border: 2px solid var(--accent-color);
    box-shadow: 0 4px 20px rgba(52, 152, 219, 0.2);
}

.pricing-plan-item h4 {
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 1rem;
    font-weight: 700;
}

.pricing-plan-item h4 i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--accent-color);
    margin: 0.5rem 0;
}

.plan-note {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin: 0.5rem 0 0 0;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .pricing-plan-info {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .pricing-plan-item {
        padding: 1.2rem;
    }
    
    .plan-price {
        font-size: 1.3rem;
    }
}

/* D-handyが向いているお店 セクション */
.recommended-shops {
    margin-top: var(--spacing-xl);
}

.recommended-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.2), rgba(41, 128, 185, 0.1));
    border-radius: 16px;
    border: 1px solid rgba(52, 152, 219, 0.3);
}

.recommended-title i {
    color: var(--accent-color);
    margin-right: 0.5rem;
    font-size: 1.5rem;
}

.shop-type-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.shop-type-card {
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
    overflow: hidden;
}

.shop-type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), rgba(52, 152, 219, 0.5));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.shop-type-card:hover::before {
    transform: scaleX(1);
}

.shop-type-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
    transform: translateY(-8px);
    box-shadow: 0 8px 32px rgba(52, 152, 219, 0.3);
}

.shop-type-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-color), rgba(52, 152, 219, 0.7));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 900;
    color: #fff;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.4);
}

.shop-type-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.2), rgba(41, 128, 185, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    transition: all 0.3s ease;
}

.shop-type-card:hover .shop-type-icon {
    background: linear-gradient(135deg, var(--accent-color), rgba(52, 152, 219, 0.7));
    transform: scale(1.1) rotate(5deg);
}

.shop-type-icon i {
    font-size: 2.5rem;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

.shop-type-card:hover .shop-type-icon i {
    color: #fff;
    transform: scale(1.1);
}

.shop-type-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin: var(--spacing-md) 0;
    line-height: 1.4;
    text-align: center;
}

.shop-type-desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    text-align: center;
    margin: 0;
}

.about-hero {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.about-main-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.about-description {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* 強調表示ボックス */
.about-highlight-box {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.15) 0%, rgba(74, 144, 226, 0.05) 100%);
    border: 2px solid rgba(74, 144, 226, 0.3);
    border-radius: 20px;
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) auto;
    max-width: 1000px;
    box-shadow: 0 10px 40px rgba(74, 144, 226, 0.2);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    align-items: center;
    gap: var(--spacing-lg);
}

.stat-item,
.stat-box {
    text-align: center;
}

.stat-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 30px rgba(74, 144, 226, 0.5);
}

.stat-unit {
    font-size: 2rem;
    font-weight: 700;
    margin-left: 0.3rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 600;
    line-height: 1.4;
}

.stat-divider {
    width: 2px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, rgba(74, 144, 226, 0.5), transparent);
}

/* 3つの特徴カード */
.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.about-feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.about-feature-card:hover {
    background: rgba(74, 144, 226, 0.1);
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.3);
}

.feature-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #3a7bd5 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    color: #fff;
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.4);
}

.about-feature-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--spacing-sm);
}

.about-feature-card p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ========================================
   Ecosystem Diagram (Product Connections)
   ======================================== */
.ecosystem-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
}

.ecosystem-diagram-container {
    max-width: 1000px;
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-lg);
}

.ecosystem-row {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

.ecosystem-top,
.ecosystem-bottom {
    flex-direction: column;
}

.ecosystem-middle {
    gap: var(--spacing-md);
}

.product-box {
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all 0.3s ease;
    min-width: 200px;
}

.product-box:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(196, 134, 79, 0.2);
}

.product-center {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(95, 163, 245, 0.1) 100%);
    border-color: var(--color-accent);
    border-width: 3px;
    box-shadow: 0 5px 20px rgba(74, 144, 226, 0.2);
}

.product-center:hover {
    box-shadow: 0 15px 40px rgba(74, 144, 226, 0.4);
}

.product-image {
    width: 100%;
    height: 150px;
    background: var(--color-bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.3));
}

.product-box:hover .product-image img {
    transform: scale(1.05);
    filter: drop-shadow(0 8px 25px rgba(74, 144, 226, 0.4));
}

.product-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: var(--spacing-sm) 0;
}

.product-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.arrow-vertical {
    font-size: 2rem;
    color: var(--color-accent);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: var(--spacing-sm) 0;
}

.arrow-horizontal {
    font-size: 2rem;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-sm);
}

.output-box {
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-primary);
    flex-direction: column;
}

.output-image {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.output-image img {
    max-width: 100%;
    height: auto;
}

.output-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-xs);
}

.output-box i {
    font-size: 2rem;
    color: var(--color-accent);
}

/* Tablet Responsive (タブレット) */
@media (min-width: 769px) and (max-width: 1024px) {
    .ecosystem-diagram-container {
        padding: var(--spacing-md);
    }
    
    .product-box {
        min-width: 180px;
    }
    
    .product-image {
        height: 130px;
    }
    
    .product-name {
        font-size: 1.3rem;
    }
    
    .product-desc {
        font-size: 0.9rem;
    }
    
    .arrow-vertical,
    .arrow-horizontal {
        font-size: 1.8rem;
    }
    
    .output-box {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1.2rem;
    }
    
    /* About Section タブレット対応 */
    .about-features {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 3.5rem;
    }
    
    /* Why Specialized タブレット */
    .reason-grid-enhanced {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Strength タブレット */
    .strength-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Screen Features Grid タブレット */
    .screen-features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Shop Type Grid タブレット */
    .shop-type-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    /* Benefits Grid タブレット */
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
    
    /* Coverage Section タブレット対応 */
    .coverage-highlights-large {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .ecosystem-diagram-container {
        padding: var(--spacing-md);
    }
    
    .ecosystem-row {
        gap: var(--spacing-sm);
        margin: var(--spacing-sm) 0;
    }
    
    .ecosystem-middle {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .arrow-horizontal {
        transform: rotate(90deg);
        padding: var(--spacing-sm) 0;
    }
    
    /* 矢印の方向を調整 */
    .arrow-horizontal i.fa-arrow-right,
    .arrow-horizontal i.fa-arrow-left {
        transform: rotate(90deg);
    }
    
    .product-box {
        min-width: 100%;
        max-width: 300px;
        margin: 0 auto;
        padding: var(--spacing-sm);
    }
    
    .product-image {
        height: 120px;
    }
    
    .product-name {
        font-size: 1.2rem;
    }
    
    .product-desc {
        font-size: 0.85rem;
    }
    
    .arrow-vertical {
        font-size: 1.5rem;
        padding: var(--spacing-xs) 0;
    }
    
    .arrow-horizontal {
        font-size: 1.5rem;
    }
    
    .output-box {
        padding: var(--spacing-md);
        font-size: 1.1rem;
        flex-direction: column;
        text-align: center;
    }
    
    .output-box i {
        font-size: 1.5rem;
    }
}

/* Extra Small Devices (スマホ縦持ち) */
@media (max-width: 480px) {
    .ecosystem-diagram-container {
        padding: var(--spacing-sm);
    }
    
    .product-box {
        max-width: 100%;
        padding: var(--spacing-sm);
    }
    
    .product-image {
        height: 100px;
    }
    
    .product-name {
        font-size: 1.1rem;
    }
    
    .product-desc {
        font-size: 0.8rem;
    }
    
    .arrow-vertical,
    .arrow-horizontal {
        font-size: 1.2rem;
    }
    
    .output-box {
        padding: var(--spacing-sm);
        font-size: 1rem;
        gap: var(--spacing-xs);
    }
    
    .output-box i {
        font-size: 1.3rem;
    }
}

/* ========================================
   Architecture Diagram
   ======================================== */
.architecture-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
}

.architecture-diagram {
    max-width: 800px;
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-lg) 0;
}

.arch-layer {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: var(--spacing-md) 0;
    gap: var(--spacing-md);
}

.arch-node {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 2px solid var(--color-border);
    text-align: center;
    min-width: 180px;
}

.arch-node strong {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.arch-node span {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.arch-node.arch-center {
    background: linear-gradient(135deg, var(--color-accent) 0%, #5fa3f5 100%);
    border-color: var(--color-accent);
    transform: scale(1.1);
}

.arch-output {
    background: var(--color-bg-card);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 10px;
    border: 2px solid var(--color-border);
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

/* ========================================
   Products Section
   ======================================== */
.products-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
}

.products-list {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-border);
}

.products-subtitle {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.products-description {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: 15px;
    padding: var(--spacing-md);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(74, 144, 226, 0.3);
}

.product-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.product-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #5fa3f5 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    box-shadow: 0 5px 20px rgba(74, 144, 226, 0.4);
    transition: all 0.3s ease;
}

.product-card:hover .product-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.6);
}

.product-icon i {
    font-size: 2rem;
    color: #fff;
}

.product-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.product-badge {
    display: inline-block;
    background: rgba(74, 144, 226, 0.2);
    color: var(--color-accent);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--color-accent);
}

.product-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
    text-align: center;
}

.product-features {
    list-style: none;
    padding: 0;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.product-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 0.6rem 0;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    border-bottom: 1px solid var(--color-border);
}

.product-features li:last-child {
    border-bottom: none;
}

.product-features i {
    color: var(--color-accent);
    font-size: 0.9rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.product-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    background: rgba(74, 144, 226, 0.1);
    transition: all 0.3s ease;
    margin-top: auto;
}

.product-link:hover {
    background: var(--color-accent);
    color: #fff;
    transform: translateX(5px);
}

.product-link i {
    transition: transform 0.3s ease;
}

.product-link:hover i {
    transform: translateX(5px);
}

.product-detail-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 2px solid var(--color-border);
    position: relative;
    transition: all 0.3s ease;
}

.product-detail-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
}

.product-detail-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, var(--color-bg-card) 100%);
}

.product-detail-card h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 900;
}

.product-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.product-features {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-features i {
    color: var(--color-accent);
}

/* ========================================
   Comparison Section
   ======================================== */
.comparison-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-top: var(--spacing-lg);
}

.comparison-table {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    border-collapse: collapse;
    background: var(--color-bg-card);
    border-radius: 15px;
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: center;
    border: 1px solid var(--color-border);
}

.comparison-table th {
    background: var(--color-bg-secondary);
    font-weight: 700;
    font-size: 1.1rem;
}

.comparison-table td {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.comparison-table .label-col {
    font-weight: 700;
    background: var(--color-bg-secondary);
    text-align: center;
}

.comparison-table .highlight-col {
    background: rgba(74, 144, 226, 0.1);
    border-left: 3px solid var(--color-accent);
    border-right: 3px solid var(--color-accent);
    color: var(--color-text-primary);
    font-weight: 600;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
}

.pricing-common {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--color-border);
}

.pricing-common h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.pricing-common ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.5rem;
}

.pricing-common li {
    padding: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
}

.pricing-common i {
    color: var(--color-accent);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.pricing-card {
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: 15px;
    padding: var(--spacing-md);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, rgba(255, 77, 77, 0.1) 0%, var(--color-bg-card) 100%);
}

.pricing-card.pricing-recommended {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, var(--color-bg-card) 100%);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    padding: 0.3rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    margin: var(--spacing-sm) 0;
}

.price-amount {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-accent);
}

.price-term {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.pricing-recommend {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.pricing-body {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.pricing-features {
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.pricing-features h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-xs);
}

.pricing-features ul {
    list-style: none;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
    border-radius: 8px;
    padding: 0.7rem 0.8rem;
}

.pricing-features li:hover {
    background: rgba(74, 144, 226, 0.08);
    transform: translateX(5px);
}

.pricing-features li:hover .feature-icon {
    background: var(--color-accent);
    color: #fff;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

.feature-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--color-accent);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.2);
    transition: all 0.3s ease;
}

.feature-icon:hover {
    background: var(--color-accent);
    color: #fff;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

.feature-icon-small {
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: transparent;
    border: 1.5px solid rgba(74, 144, 226, 0.4);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--color-accent);
    transition: all 0.3s ease;
}

.feature-text {
    flex-grow: 1;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--color-text-primary);
}

.pricing-features i {
    color: var(--color-accent);
    margin-top: 0.2rem;
}

/* Premium Features (Enterprise Exclusive) */
.pricing-features-premium {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(218, 165, 32, 0.05) 100%);
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.pricing-features-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 215, 0, 0.05) 50%, transparent 70%);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
    color: #1a1a1a;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    position: relative;
    z-index: 1;
}

.premium-badge i {
    font-size: 1rem;
    color: #1a1a1a;
}

.feature-premium {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.15) 0%, rgba(218, 165, 32, 0.08) 100%);
    padding: 1.2rem 1rem;
    border-radius: 12px;
    margin-bottom: 0.8rem;
    border: 2px solid rgba(255, 215, 0, 0.3);
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.feature-premium:hover {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.25) 0%, rgba(218, 165, 32, 0.15) 100%);
    transform: translateX(8px) scale(1.02);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.3);
    border-color: rgba(255, 215, 0, 0.6);
}

.feature-premium .feature-icon {
    background: linear-gradient(135deg, #FFD700 0%, #DAA520 100%);
    color: #1a1a1a;
    border: none;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.5);
}

.feature-premium:hover .feature-icon {
    transform: scale(1.15) rotate(-5deg);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.7);
}

.feature-content {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    flex-grow: 1;
}

.feature-premium .feature-text {
    font-size: 1.05rem;
    font-weight: 700;
    color: #FFD700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.feature-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}


.pricing-features-base {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(74, 144, 226, 0.05);
    border-radius: 10px;
    border-left: 3px solid var(--color-accent);
}

.base-plan-badge {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-text-primary);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.pricing-features-inherited {
    list-style: none;
    padding-left: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.pricing-features-base:hover .pricing-features-inherited {
    max-height: 500px;
}

.pricing-features-inherited li {
    padding: 0.5rem 0.6rem;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    opacity: 0.8;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.pricing-features-inherited li:hover {
    background: rgba(74, 144, 226, 0.08);
    opacity: 1;
}

.pricing-features-inherited li:hover .feature-icon-small {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
    transform: scale(1.1);
}

.pricing-features-inherited i {
    color: var(--color-accent);
    margin-top: 0.2rem;
    font-size: 0.9rem;
}

.pricing-features-additional {
    margin-top: var(--spacing-sm);
}

.additional-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-accent) 0%, #5fa3f5 100%);
    color: var(--color-text-primary);
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    box-shadow: 0 3px 10px rgba(74, 144, 226, 0.3);
}

.feature-highlight {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.15) 0%, rgba(74, 144, 226, 0.05) 100%);
    padding: 0.8rem 1rem;
    border-radius: 10px;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary) !important;
    font-weight: 600;
    transition: all 0.3s ease;
    border-left: 3px solid var(--color-accent);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.1);
}

.feature-highlight:hover {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.25) 0%, rgba(74, 144, 226, 0.1) 100%);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.2);
}

.feature-highlight .feature-icon {
    background: var(--color-bg-secondary);
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.3);
}

.feature-highlight:hover .feature-icon {
    background: var(--color-accent);
    color: #fff;
    transform: scale(1.15);
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.5);
}

.feature-highlight i {
    color: var(--color-accent);
    font-size: 1.1rem;
}

.pricing-footer {
    margin-top: auto;
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
}

.pricing-addon {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--color-border);
    text-align: center;
}

.pricing-addon h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.addon-note {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

/* Equipment Section */
.equipment-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-border);
}

.equipment-note {
    text-align: center;
    color: var(--color-accent);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(74, 144, 226, 0.1);
    border-radius: 10px;
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.equipment-card {
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: 15px;
    padding: var(--spacing-md);
    transition: all 0.3s ease;
}

.equipment-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.2);
}

.equipment-priced {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, var(--color-bg-card) 100%);
}

.equipment-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.equipment-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #5fa3f5 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-size: 1.8rem;
}

.equipment-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.equipment-price {
    margin-top: var(--spacing-sm);
}

.equipment-price .price-amount {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-accent);
}

.equipment-price .price-unit {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-left: 0.3rem;
}

.equipment-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.equipment-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.equipment-info:last-child {
    border-bottom: none;
}

.equipment-label {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-weight: 600;
    flex-shrink: 0;
    margin-right: var(--spacing-sm);
}

.equipment-value {
    font-size: 0.95rem;
    color: var(--color-text-primary);
    text-align: right;
}

.equipment-specs {
    margin-top: var(--spacing-sm);
}

.equipment-specs .equipment-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    text-align: left;
}

.equipment-list {
    list-style: none;
    padding-left: 0;
}

.equipment-list li {
    padding: 0.4rem 0;
    color: var(--color-text-primary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.equipment-list li:before {
    content: "•";
    color: var(--color-accent);
    font-weight: bold;
    font-size: 1.2rem;
}

/* ========================================
   Case Studies Section
   ======================================== */
.cases-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
}

.case-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.case-tab {
    padding: 0.8rem 2rem;
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: 50px;
    color: var(--color-text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.case-tab:hover {
    border-color: var(--color-accent);
}

.case-tab.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.cases-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.case-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.case-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
}

.case-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: var(--spacing-md);
    background: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.case-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(74, 144, 226, 0.9);
    color: #fff;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
}

.case-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.case-company {
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.case-content p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

.case-info {
    margin-top: var(--spacing-md);
}

.case-info-item {
    margin-bottom: var(--spacing-md);
}

.case-info-item strong {
    display: block;
    color: var(--color-accent);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.case-info-item p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
}

/* ========================================
   導入事例: 固定表示＋スライダー
======================================== */
.cases-fixed {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.cases-slider-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 60px;
}

.cases-slider {
    overflow: hidden;
    border-radius: 15px;
    width: 100%;
}

.cases-slider-track {
    display: flex;
    gap: 0;
    transition: transform 0.6s ease-in-out;
    width: 100%;
}

.cases-slider-track .case-card {
    width: 100%;
    min-width: 100%;
    max-width: 100%;
    flex-shrink: 0;
    box-sizing: border-box;
    margin: 0;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(74, 144, 226, 0.9);
    color: #fff;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.slider-btn:hover {
    background: var(--color-accent);
    transform: translateY(-50%) scale(1.1);
}

.slider-btn-prev {
    left: 0;
}

.slider-btn-next {
    right: 0;
}

.case-type-badge {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-text-primary);
    padding: 0.3rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.case-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.case-section {
    margin-bottom: var(--spacing-sm);
}

.case-section h4 {
    font-size: 1rem;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.case-section p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}
.updates-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
}

.updates-scroll-container {
    max-width: 900px;
    margin: 0 auto;
    max-height: 500px;
    overflow-y: auto;
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: 15px;
    border: 1px solid var(--color-border);
}

/* カスタムスクロールバー */
.updates-scroll-container::-webkit-scrollbar {
    width: 10px;
}

.updates-scroll-container::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
    border-radius: 10px;
}

.updates-scroll-container::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 10px;
}

.updates-scroll-container::-webkit-scrollbar-thumb:hover {
    background: #5a9fe8;
}

.updates-timeline {
    /* タイムライン全体のコンテナ */
}

.update-year {
    margin-bottom: var(--spacing-lg);
}

.year-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-accent);
    position: sticky;
    top: 0;
    background: var(--color-bg-card);
    z-index: 1;
}

.updates-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.update-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-radius: 10px;
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.update-item:hover {
    border-color: var(--color-accent);
    transform: translateX(5px);
}

.update-date {
    font-weight: 700;
    color: var(--color-accent);
    min-width: 110px;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.update-content {
    flex: 1;
}

.update-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.3rem;
}

.update-content p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

.update-detail {
    margin-top: 0.3rem;
    padding-top: 0.3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.updates-note {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-top: var(--spacing-lg);
    font-style: italic;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-top: var(--spacing-sm);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--color-accent);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    cursor: pointer;
    user-select: none;
}

.faq-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}

.faq-question h3 {
    flex: 1;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.faq-question i {
    color: var(--color-accent);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 var(--spacing-md);
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-answer-title {
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.faq-answer p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.faq-list-items {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0;
}

.faq-list-items li {
    color: var(--color-text-secondary);
    line-height: 1.8;
    padding-left: var(--spacing-sm);
    margin-bottom: 0.3rem;
}

.faq-list-items strong {
    color: var(--color-accent);
}

.faq-note {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-top: var(--spacing-sm);
}

.faq-conclusion {
    max-width: 700px;
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 2px solid var(--color-accent);
    border-radius: 15px;
    text-align: center;
}

.faq-conclusion-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.faq-conclusion-text {
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: var(--spacing-sm);
}

/* ========================================
   Company Section
   ======================================== */
.company-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
    text-align: center;
}

.company-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.company-text {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    line-height: 2;
}

/* ========================================
   Flow Section
   ======================================== */
.flow-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
}

.flow-steps {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-width: 800px;
    margin: 0 auto;
}

.flow-step {
    width: 100%;
    text-align: center;
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: 15px;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all 0.3s ease;
}

.flow-step:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.2);
}

.flow-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-accent) 0%, #5fa3f5 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    flex-shrink: 0;
    box-shadow: 0 5px 15px rgba(74, 144, 226, 0.3);
}

.flow-content {
    text-align: left;
    flex-grow: 1;
}

.flow-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text-primary);
}

.flow-desc {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.flow-arrow {
    font-size: 2rem;
    color: var(--color-accent);
    padding: var(--spacing-sm) 0;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

/* ========================================
   Final CTA Section
   ======================================== */
.final-cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    text-align: center;
}

.final-cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}

.final-cta-content p {
    color: var(--color-text-secondary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.final-cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-brand {
    flex: 0 0 auto;
    max-width: 250px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex: 1;
    justify-content: flex-end;
}

.footer-brand h3 {
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: var(--spacing-xs);
}

.footer-logo {
    height: 50px;
    width: auto;
    object-fit: contain;
    margin-bottom: var(--spacing-xs);
}

.footer-brand p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.footer-column h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        width: 100%;
        padding: var(--spacing-md);
        transition: left 0.3s ease;
        border-top: 1px solid var(--color-border);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }
    
    .section-title {
        font-size: clamp(1.5rem, 5vw, 2.5rem);
    }
    
    .section-description {
        font-size: 1rem;
        padding: 0 var(--spacing-sm);
    }

    .product-preview {
        max-width: 100%;
        padding: 0 var(--spacing-sm);
    }

    .preview-image {
        border-radius: 10px;
    }

    .preview-caption {
        font-size: 0.9rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-cta,
    .final-cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }
    
    .hero-content {
        padding-bottom: 5rem;
    }
    
    .hero-scroll {
        bottom: 2rem;
        font-size: 0.75rem;
    }

    .arch-layer {
        flex-direction: column;
    }

    .flow-steps {
        flex-direction: column;
    }

    .flow-step {
        flex-direction: column;
        text-align: center;
    }

    .flow-content {
        text-align: center;
    }

    .flow-arrow {
        /* 既に縦向きなので回転不要 */
    }
    
    .case-image {
        height: 200px;
    }
    
    .cases-fixed {
        grid-template-columns: 1fr;
    }
    
    .cases-slider-wrapper {
        padding: 0 50px;
    }
    
    .updates-scroll-container {
        max-height: 400px;
        padding: var(--spacing-sm);
    }
    
    .faq-icon {
        font-size: 1.5rem;
    }
    
    /* About Section レスポンシブ */
    .about-main-title {
        font-size: 1.8rem;
    }
    
    .about-description {
        font-size: 1rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-divider {
        width: 80%;
        height: 2px;
        background: linear-gradient(to right, transparent, rgba(74, 144, 226, 0.5), transparent);
        margin: 0 auto;
    }
    
    .stat-number {
        font-size: 3rem;
    }
    
    .stat-unit {
        font-size: 1.5rem;
    }
    
    .about-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .feature-icon-large {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .about-feature-card h4 {
        font-size: 1.1rem;
    }
    
    .about-feature-card p {
        font-size: 0.9rem;
    }
    
    /* Screen Features Grid レスポンシブ */
    .screen-features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .screen-feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    /* Shop Type Grid レスポンシブ */
    .shop-type-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .shop-type-number {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .shop-type-icon {
        width: 70px;
        height: 70px;
    }
    
    .shop-type-icon i {
        font-size: 2rem;
    }
    
    .shop-type-title {
        font-size: 1.1rem;
    }
    
    .shop-type-desc {
        font-size: 0.95rem;
    }
    
    .recommended-title {
        font-size: 1.5rem;
        padding: var(--spacing-md);
    }
    
    .recommended-title i {
        font-size: 1.3rem;
    }
    
    /* Benefits Grid レスポンシブ */
    .benefits-grid {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-md) !important;
    }
    
    /* Why Specialized レスポンシブ */
    .why-specialized-highlight {
        padding: var(--spacing-lg);
    }
    
    .highlight-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .highlight-title {
        font-size: 1.3rem;
    }
    
    .highlight-description {
        font-size: 1rem;
    }
    
    .reason-grid-enhanced {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .reason-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .reason-icon-enhanced {
        width: 60px;
        height: 60px;
        font-size: 1.7rem;
    }
    
    /* Usecase レスポンシブ */
    .usecase-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .usecase-icon {
        width: 65px;
        height: 65px;
        font-size: 2rem;
    }
    
    .usecase-card h3 {
        font-size: 1.2rem;
    }
    
    /* Strength レスポンシブ */
    .strength-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .strength-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    /* Three Specs レスポンシブ */
    .three-specs-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .spec-icon {
        width: 60px;
        height: 60px;
        font-size: 1.7rem;
    }
    
    /* Implementation Flow レスポンシブ */
    .impl-step-body {
        margin-left: 0;
        margin-top: var(--spacing-md);
    }
    
    .impl-number-large {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .impl-step-header h3 {
        font-size: 1.2rem;
    }
    
    .impl-features {
        grid-template-columns: 1fr;
    }
    
    .time-box {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
    }
    
    .time-box i {
        font-size: 3rem;
    }
    
    .time-content {
        text-align: center;
    }
    
    .time-highlight {
        font-size: 2.5rem;
    }
    
    /* Coverage Section レスポンシブ */
    .coverage-highlights-large {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .coverage-card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .coverage-card-title {
        font-size: 1.3rem;
    }
    
    .coverage-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .stat-percentage {
        font-size: 2rem;
    }
    
    .business-types {
        grid-template-columns: 1fr;
    }
    
    .coverage-map-section {
        padding: var(--spacing-md);
    }
    
    .coverage-subtitle {
        font-size: 1.2rem;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .faq-question {
        padding: var(--spacing-sm);
    }
    
    .faq-answer {
        padding: 0 var(--spacing-sm);
    }
    
    .faq-item.active .faq-answer {
        padding: 0 var(--spacing-sm) var(--spacing-sm);
    }
    
    .faq-conclusion {
        padding: var(--spacing-md);
    }
    
    .update-item {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-sm);
    }
    
    .update-date {
        min-width: auto;
    }
    
    .year-title {
        font-size: 1.3rem;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .case-title {
        font-size: 1.3rem;
    }
    
    .case-company {
        font-size: 0.9rem;
    }

    .comparison-table {
        font-size: 0.85rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--spacing-sm);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .equipment-grid {
        grid-template-columns: 1fr;
    }

    .coverage-visual {
        grid-template-columns: 1fr;
    }

    .cases-content {
        grid-template-columns: 1fr;
    }

    .case-tabs {
        flex-direction: column;
        align-items: stretch;
    }

    .coverage-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-content {
        padding-bottom: 4rem;
    }
    
    .hero-scroll {
        bottom: 1.5rem;
        font-size: 0.7rem;
    }
    
    .hero-scroll i {
        margin-top: 0.25rem;
    }
    
    .cases-slider-wrapper {
        padding: 0 35px;
    }
    
    .slider-btn {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .case-card {
        padding: 1rem;
    }
    
    .case-image {
        height: 200px;
        margin-bottom: 1rem;
    }
    
    .case-title {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }
    
    .case-company {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .case-content p {
        font-size: 0.85rem;
        line-height: 1.7;
        margin-bottom: 0.75rem;
    }
    
    .case-info {
        margin-top: 1rem;
    }
    
    .case-info-item {
        margin-bottom: 1rem;
    }
    
    .trust-section .container {
        padding: 0 0.5rem;
    }
    
    .logo-track {
        gap: 0.75rem;
        animation: scroll 30s linear infinite;
    }
    
    .logo-item {
        min-width: 110px;
        max-width: 110px;
        height: 65px;
        padding: 0.3rem;
        font-size: 0.75rem;
        border-radius: 8px;
    }
}

/* ========================================
   Company Section
   ======================================== */
.company-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
}

.company-content {
    max-width: 900px;
    margin: 0 auto;
}

.company-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.company-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
}

.company-details {
    display: grid;
    gap: var(--spacing-lg);
}

.company-detail-row {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: var(--spacing-md);
    align-items: start;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-md);
}

.company-detail-row-last {
    border-bottom: none;
    padding-bottom: 0;
}

.company-label {
    font-weight: 600;
    color: var(--color-text-secondary);
}

.company-value {
    color: var(--color-text-primary);
}

.company-highlight {
    color: var(--color-accent);
}

.company-quote-box {
    text-align: center;
    padding: var(--spacing-lg);
    background: rgba(74, 144, 226, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(74, 144, 226, 0.3);
}

.company-quote-text {
    font-size: 1.1rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.company-quote-icon {
    color: var(--color-accent);
    margin: 0 0.5rem;
}

.company-quote-desc {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* Company Section - Responsive */
@media (max-width: 768px) {
    .company-card {
        padding: var(--spacing-lg);
    }
    
    .company-name {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    .company-details {
        gap: var(--spacing-md);
    }
    
    .company-detail-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
    }
    
    .company-label {
        font-size: 0.9rem;
    }
    
    .company-value {
        font-size: 0.95rem;
    }
    
    .company-quote-box {
        padding: var(--spacing-md);
    }
    
    .company-quote-text {
        font-size: 1rem;
    }
    
    .company-quote-desc {
        font-size: 0.9rem;
    }
    
    /* Logo carousel adjustments for tablet */
    .trust-section .container {
        padding: 0 1rem;
    }
    
    .logo-track {
        gap: 1rem;
        animation: scroll 35s linear infinite;
    }
    
    .logo-item {
        min-width: 140px;
        max-width: 140px;
        height: 80px;
        padding: 0.4rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .company-card {
        padding: var(--spacing-md);
    }
    
    .company-name {
        font-size: 1.3rem;
    }
    
    .company-quote-text {
        font-size: 0.95rem;
    }
}

/* Extra small phones (360px and below) */
@media (max-width: 360px) {
    .trust-section .container {
        padding: 0 0.25rem;
    }
    
    .hero-content {
        padding-bottom: 3.5rem;
    }
    
    .hero-scroll {
        bottom: 1rem;
        font-size: 0.65rem;
    }
    
    .hero-scroll i {
        margin-top: 0.2rem;
        font-size: 0.8rem;
    }
    
    .logo-track {
        gap: 0.6rem;
        animation: scroll 28s linear infinite;
    }
    
    .logo-item {
        min-width: 95px;
        max-width: 95px;
        height: 55px;
        padding: 0.25rem;
        font-size: 0.7rem;
        border-radius: 6px;
    }
    
    .cases-slider-wrapper {
        padding: 0 30px;
    }
    
    .slider-btn {
        width: 25px;
        height: 25px;
        font-size: 0.8rem;
    }
    
    .case-card {
        padding: 0.75rem;
    }
    
    .case-image {
        height: 180px;
        margin-bottom: 0.75rem;
    }
    
    .case-title {
        font-size: 1.1rem;
        margin-bottom: 0.4rem;
    }
    
    .case-company {
        font-size: 0.85rem;
        margin-bottom: 0.75rem;
    }
    
    .case-content p {
        font-size: 0.8rem;
        line-height: 1.65;
        margin-bottom: 0.6rem;
    }
}

/* ========================================
   Form Styles
   ======================================== */

.form-group {
    margin-bottom: 1.5rem;
}

.form-success {
    background: rgba(74, 226, 141, 0.1);
    border: 2px solid rgba(74, 226, 141, 0.5);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    color: #4ae28d;
    font-weight: 600;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    animation: slideIn 0.3s ease-out;
}

.form-success i {
    font-size: 1.5rem;
}

.form-error {
    background: rgba(226, 74, 74, 0.1);
    border: 2px solid rgba(226, 74, 74, 0.5);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    color: #e24a4a;
    font-weight: 600;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    animation: slideIn 0.3s ease-out;
}

.form-error i {
    font-size: 1.5rem;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


.form-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 0;
}

.form-grid-2col .form-group {
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-label.required::after {
    content: " *";
    color: var(--color-accent);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-size: 1rem;
    font-family: 'Noto Sans JP', sans-serif;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.6;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a90e2' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* Form Grid - Responsive */
@media (max-width: 768px) {
    .form-grid-2col {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .form-grid-2col .form-group {
        margin-bottom: 1.5rem;
    }
    
    /* Footer レスポンシブ */
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-brand {
        max-width: 100%;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .footer-column {
        margin-bottom: var(--spacing-sm);
    }
}