/* =========================================
   WAXPRO Design System 2026
   Professional Grade - Unicorn Startup Quality
========================================= */

:root {
    /* Primary Palette - 10 Grades */
    --primary-50: #F0F5F3;
    --primary-100: #E1EBE7;
    --primary-200: #C3D7CF;
    --primary-300: #9CB8AC;
    --primary-400: #6B8E7F;
    --primary-500: #507566;
    --primary-600: #3D5A4F;
    --primary-700: #2D4439;
    --primary-800: #1E2E26;
    --primary-900: #0F1713;

    /* Neutral Palette - Professional */
    --neutral-50: #FAFAF9;
    --neutral-100: #F5F5F4;
    --neutral-200: #E7E5E4;
    --neutral-300: #D6D3D1;
    --neutral-400: #A8A29E;
    --neutral-500: #78716C;
    --neutral-600: #57534E;
    --neutral-700: #44403C;
    --neutral-800: #292524;
    --neutral-900: #1C1917;

    /* Accent */
    --accent-green: #00B900;
    
    /* Semantic Colors */
    --color-bg: var(--neutral-50);
    --color-surface: #FFFFFF;
    --color-text: var(--neutral-900);
    --color-text-muted: var(--neutral-600);
    --color-text-subtle: var(--neutral-400);
    --color-border: var(--neutral-200);
    
    /* Typography Scale - Perfect Fourth (1.333) */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.333rem;
    --text-2xl: 1.777rem;
    --text-3xl: 2.369rem;
    --text-4xl: 3.157rem;
    --text-5xl: 4.209rem;
    
    /* Font Weights */
    --weight-light: 300;
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    
    /* Line Heights */
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    
    /* Spacing - 4px base */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows - Subtle 2026 */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions - Specific */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Old variables for compatibility */
    --primary-color: var(--primary-400);
    --primary-dark: var(--primary-600);
    --primary-light: var(--primary-50);
    --accent-color: var(--accent-green);
    --text-dark: var(--color-text);
    --text-gray: var(--color-text-muted);
    --text-light: var(--color-text-subtle);
    --bg-cream: var(--neutral-100);
    --bg-white: var(--color-surface);
    --border-color: var(--color-border);
    --shadow: rgb(0 0 0 / 0.1);
    --shadow-hover: rgb(0 0 0 / 0.15);
    --transition: all 0.3s ease;
    --font-main: 'Noto Sans JP', sans-serif;
    --section-padding: 100px;
    --container-max-width: 1280px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans JP', sans-serif;
    color: var(--color-text);
    line-height: var(--leading-relaxed);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

::selection {
    background-color: var(--primary-200);
    color: var(--primary-900);
}

:focus-visible {
    outline: 2px solid var(--primary-400);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }
}

/* =========================================
   ヘッダー/ナビゲーション - Glass Morphism 2026
========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: background-color var(--transition-base), border-color var(--transition-base);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom-color: var(--neutral-300);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) 0;
}

.logo h1 {
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--primary-600);
    letter-spacing: var(--tracking-tight);
}

.logo h1 span {
    color: var(--neutral-400);
    font-weight: var(--weight-light);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--space-8);
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-muted);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-wide);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-600);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--primary-600);
}

.nav-link:hover::after {
    width: 100%;
}
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* =========================================
   ヒーローセクション
========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800" opacity="0.1"><circle cx="100" cy="100" r="80" fill="white"/><circle cx="900" cy="200" r="120" fill="white"/><circle cx="300" cy="600" r="100" fill="white"/><circle cx="1000" cy="700" r="90" fill="white"/></svg>');
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    color: var(--bg-white);
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero-title .highlight {
    color: var(--accent-color);
    display: inline-block;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    text-decoration: none;
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    line-height: 1;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    white-space: nowrap;
    transition: background-color var(--transition-base), 
                color var(--transition-base),
                transform var(--transition-fast),
                box-shadow var(--transition-base);
}

.btn-primary {
    background-color: var(--primary-600);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-700);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-600);
    border: 1.5px solid var(--primary-600);
}

.btn-secondary:hover {
    background-color: var(--primary-50);
    border-color: var(--primary-700);
    color: var(--primary-700);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-mockup {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.hero-product-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.mockup-circle {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.product-icon {
    font-size: 180px;
    color: var(--bg-white);
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--bg-white);
    opacity: 0.7;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* =========================================
   共通セクションスタイル
========================================= */
section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
    font-weight: var(--weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-4);
    letter-spacing: var(--tracking-tighter);
    line-height: var(--leading-tight);
}

.section-title .highlight {
    color: var(--primary-600);
    font-weight: var(--weight-bold);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    font-weight: var(--weight-normal);
    max-width: 600px;
    margin-inline: auto;
    line-height: var(--leading-relaxed);
}

/* =========================================
   問題提起セクション
========================================= */
.problems {
    background-color: var(--primary-light);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.problem-card {
    background-color: var(--color-surface);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: transform var(--transition-base), 
                box-shadow var(--transition-base),
                border-color var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.problem-icon {
    width: var(--space-20);
    height: var(--space-20);
    margin: 0 auto var(--space-5);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-50);
    border-radius: var(--radius-full);
    color: var(--primary-600);
}

.problem-icon i {
    font-size: var(--text-3xl);
}

.problem-card h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.problem-card p {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.6;
}

/* =========================================
   製品特徴セクション
========================================= */
.features {
    background-color: var(--bg-cream);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 25px var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    transform: scaleY(0);
    transition: var(--transition);
}

.feature-card:hover::before {
    transform: scaleY(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--shadow-hover);
}

.feature-icon {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 20px;
    color: var(--bg-white);
}

.feature-icon i {
    font-size: 48px;
}

.feature-title {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.feature-badge {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--bg-white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.feature-description {
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.feature-points {
    list-style: none;
}

.feature-points li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 10px;
}

.feature-points li i {
    color: var(--primary-color);
}

/* =========================================
   ビフォー・アフター / 実績セクション
========================================= */
.results {
    background-color: var(--primary-light);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.result-card {
    background-color: var(--bg-white);
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
}

.result-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-hover);
}

.result-image {
    margin-bottom: 15px;
    border-radius: 15px;
    overflow: hidden;
    background-color: var(--bg-cream);
}

.result-ba-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 1.2;
    border-radius: 15px;
}

.image-placeholder-box {
    width: 100%;
    aspect-ratio: 1.2;
    background: linear-gradient(135deg, var(--primary-light), var(--bg-cream));
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--text-gray);
}

.image-placeholder-box i {
    font-size: 60px;
    opacity: 0.4;
    color: var(--primary-color);
}

.image-placeholder-box p {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--text-dark);
}

.image-placeholder-box small {
    font-size: 12px;
    opacity: 0.7;
}

.before-after {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}

.image-placeholder {
    flex: 1;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary-light), var(--bg-cream));
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: var(--text-gray);
}

.image-placeholder span {
    font-weight: 600;
    font-size: 18px;
}

.image-placeholder i {
    font-size: 48px;
    opacity: 0.5;
}

.arrow {
    font-size: 32px;
    color: var(--primary-color);
}

.result-description {
    text-align: center;
    color: var(--text-gray);
    font-size: 15px;
    line-height: 1.6;
}

/* =========================================
   他社比較セクション
========================================= */
.comparison {
    background-color: var(--bg-cream);
}

.comparison-table-wrapper {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 25px var(--shadow);
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--bg-white);
}

.comparison-table th {
    padding: 20px;
    text-align: center;
    font-weight: 600;
    font-size: 18px;
}

.comparison-table td {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-gray);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr:hover {
    background-color: var(--primary-light);
}

.item-column {
    text-align: left !important;
    font-weight: 600;
    color: var(--text-dark);
}

.our-column {
    background-color: var(--primary-light) !important;
    font-weight: 600;
    color: var(--primary-color);
}

.our-column i {
    color: var(--accent-color);
    margin-left: 10px;
}

/* =========================================
   製品詳細セクション
========================================= */
.product-detail {
    background-color: var(--bg-white);
}

.product-detail-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 50px;
    max-width: 900px;
    margin: 0 auto;
}

.product-image-section {
    width: 100%;
    max-width: 600px;
}

.product-info-section {
    width: 100%;
}

.product-image-wrapper {
    position: relative;
}

.product-detail-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 10px 40px var(--shadow);
}

.product-image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary-light), var(--bg-cream));
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    color: var(--text-gray);
}

.product-image-placeholder i {
    font-size: 120px;
    opacity: 0.3;
}

.product-detail-title {
    font-size: 36px;
    color: var(--text-dark);
    margin-bottom: 40px;
    text-align: center;
}

.product-info-section {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.product-info-section h2 {
    grid-column: 1 / -1;
}

.product-specs,
.product-recommend {
    background-color: var(--primary-light);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 0;
}

.product-specs h3,
.product-recommend h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.specs-list {
    list-style: none;
}

.specs-list li {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 15px;
}

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

.spec-label {
    font-weight: 600;
    color: var(--text-dark);
    min-width: 120px;
}

.spec-value {
    color: var(--text-gray);
}

.recommend-list {
    list-style: none;
}

.recommend-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: var(--text-gray);
    font-size: 15px;
}

.recommend-list li i {
    color: var(--accent-color);
}

/* =========================================
   開発者の想い
========================================= */
.developer-story {
    background: linear-gradient(135deg, var(--bg-white) 0%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}

.developer-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.developer-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0,0,0,0.15);
}

.developer-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 0.85;
}

.developer-text-section .section-title {
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 30px;
    line-height: 1.5;
}

.developer-description {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-gray);
    margin-bottom: 20px;
}

.developer-highlight {
    background-color: var(--primary-light);
    padding: 30px;
    border-left: 4px solid var(--primary-color);
    border-radius: 10px;
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-dark);
    font-weight: 500;
    margin: 30px 0;
    position: relative;
}

.developer-highlight i {
    color: var(--primary-color);
    opacity: 0.3;
}

.developer-highlight .fa-quote-left {
    margin-right: 10px;
}

.developer-highlight .fa-quote-right {
    margin-left: 10px;
}

.developer-signature {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

.developer-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.developer-title {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 3px;
}

.developer-company {
    font-size: 13px;
    color: var(--text-gray);
    opacity: 0.9;
}

/* =========================================
   お客様の声 / 導入実績
========================================= */
.testimonials {
    background-color: var(--primary-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 25px var(--shadow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 35px var(--shadow-hover);
}

.testimonial-rating {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    color: #FFD700;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: 25px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    overflow: hidden;
}

.author-icon i {
    font-size: 32px;
}

.author-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-name {
    font-weight: 600;
    color: var(--text-dark);
}

.author-position {
    font-size: 14px;
    color: var(--text-light);
}

/* =========================================
   LINE登録CTAセクション
========================================= */
.line-cta {
    background: linear-gradient(135deg, var(--accent-color), #05b04a);
    color: var(--bg-white);
}

.line-cta-content {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 40px;
    align-items: center;
}

.line-cta-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.line-cta-woman {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.line-cta-title {
    font-size: 36px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.line-cta-title i {
    font-size: 48px;
}

.line-cta-subtitle {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 25px;
    opacity: 0.95;
}

.line-benefits {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.line-benefits li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
}

.line-benefits li i {
    color: var(--bg-white);
    background-color: rgba(255, 255, 255, 0.2);
    padding: 5px;
    border-radius: 50%;
}

.line-cta-button-wrapper {
    text-align: center;
}

.line-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background-color: var(--bg-white);
    color: var(--accent-color);
    padding: 20px 50px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 20px;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.line-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.line-button i {
    font-size: 32px;
}

.line-cta-note {
    margin-top: 15px;
    font-size: 14px;
    opacity: 0.8;
}

/* =========================================
   FAQ（よくある質問）
========================================= */
.faq {
    background-color: var(--bg-cream);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-white);
    border-radius: 15px;
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: 0 3px 15px var(--shadow);
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    background-color: var(--bg-white);
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
    text-align: left;
}

.faq-question:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 30px 25px 30px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* =========================================
   お問い合わせフォーム
========================================= */
.contact {
    background-color: var(--bg-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.contact-form {
    background-color: var(--primary-light);
    padding: 40px;
    border-radius: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.required {
    color: #E74C3C;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    font-family: var(--font-main);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(107, 142, 127, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.form-submit {
    text-align: center;
}

.btn-large {
    padding: 18px 50px;
    font-size: 18px;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    background-color: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}

.form-message.error {
    background-color: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-card {
    background-color: var(--primary-light);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
}

.contact-info-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
}

.contact-info-icon i {
    font-size: 36px;
}

.contact-info-card h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.contact-info-detail {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.contact-info-note {
    font-size: 14px;
    color: var(--text-gray);
}

/* =========================================
   フッター
========================================= */
.footer {
    background-color: var(--text-dark);
    color: var(--bg-white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 32px;
    font-weight: 700;
    color: var(--bg-white);
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.footer-logo span {
    color: var(--primary-light);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--primary-light);
}

.footer-links,
.footer-info {
    list-style: none;
}

.footer-links li,
.footer-info li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-info li {
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-info li i {
    color: var(--primary-color);
}

.footer-social {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-legal {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: var(--primary-light);
}

.separator {
    color: rgba(255, 255, 255, 0.3);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* =========================================
   ページトップボタン
========================================= */
.page-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--bg-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.page-top.visible {
    opacity: 1;
    visibility: visible;
}

.page-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-hover);
}

/* =========================================
   アニメーション
========================================= */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   レスポンシブデザイン
========================================= */

/* タブレット */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-title {
        font-size: 38px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .hero-content {
        gap: 40px;
    }
    
    .product-mockup {
        width: 300px;
        height: 300px;
    }
    
    .product-icon {
        font-size: 140px;
    }
}

/* タブレット（小） */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    /* ヘッダー */
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--bg-white);
        transition: var(--transition);
        box-shadow: 0 5px 20px var(--shadow);
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 40px;
        gap: 20px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    /* ヒーロー */
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .product-mockup {
        width: 250px;
        height: 250px;
    }
    
    .hero-product-image {
        width: 100%;
    }
    
    .product-icon {
        font-size: 100px;
    }
    
    /* セクション */
    .section-title {
        font-size: 30px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .before-after {
        flex-direction: column;
    }
    
    .arrow {
        transform: rotate(90deg);
    }
    
    .product-detail-grid {
        gap: 40px;
    }
    
    .product-info-section {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .developer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .developer-text-section .section-title {
        font-size: 26px;
    }
    
    .line-cta-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .line-cta-image {
        margin: 0 auto;
        width: 150px;
        height: 150px;
    }
    
    .line-cta-title {
        font-size: 28px;
        justify-content: center;
    }
    
    .line-benefits {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}

/* モバイル */
@media (max-width: 480px) {
    :root {
        --section-padding: 50px;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
        max-width: 100%;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 14px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        font-size: 14px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 12px 8px;
    }
    
    .line-button {
        padding: 15px 30px;
        font-size: 18px;
    }
    
    .page-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}