/* ========================================
   Global Styles & Variables
   ======================================== */

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #64748b;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(102, 102, 255, 0.4);
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

.btn-header {
    padding: 0.5rem 1.25rem;
    font-size: 0.95rem;
}

.btn-header-cta {
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
    font-weight: 700;
    background: var(--gradient-primary);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(102, 102, 241, 0.3);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-header-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-header-cta:hover::before {
    left: 100%;
}

.btn-header-cta:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(236, 72, 153, 0.4);
}

.btn-header-cta i {
    font-size: 1.1rem;
}

.btn-cta {
    background: var(--gradient-primary);
    color: white;
    font-size: 1.25rem;
    padding: 1.25rem 2.5rem;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(102, 102, 241, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-cta:hover::before {
    left: 100%;
}

.btn-cta:hover {
    background: var(--gradient-secondary);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(236, 72, 153, 0.5);
}

.btn-cta:active {
    transform: translateY(-1px);
}

/* ========================================
   Header
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* ========================================
   Hero Section
   ======================================== */

.hero {
    padding: 180px 0 120px;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    z-index: 0;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.8) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.6) 0%, transparent 50%);
    animation: gradientShift 15s ease-in-out infinite;
}

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

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(40px);
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    left: -100px;
    animation: float 20s ease-in-out infinite;
}

.shape-2 {
    width: 600px;
    height: 600px;
    bottom: -300px;
    right: -200px;
    animation: float 25s ease-in-out infinite reverse;
}

.shape-3 {
    width: 300px;
    height: 300px;
    top: 50%;
    right: 10%;
    animation: float 18s ease-in-out infinite;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.brand-name {
    display: block;
    font-size: 4rem;
    font-weight: 900;
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    color: white;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-buttons .btn-primary {
    background: white;
    color: var(--primary-color);
}

.hero-buttons .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.hero-buttons .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.hero-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: white;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

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

.hero-image {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInRight 1s ease-out 0.4s both;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.mockup-showcase {
    position: relative;
    width: 100%;
    height: 650px;
}

.mockup-screen {
    position: absolute;
    background: white;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
    overflow: hidden;
    animation: floatScreen 6s ease-in-out infinite;
    border: 3px solid rgba(102, 126, 234, 0.2);
}

.mockup-screen-1 {
    width: 260px;
    height: 190px;
    top: 60px;
    left: 5%;
    z-index: 3;
}

.mockup-screen-2 {
    width: 260px;
    height: 190px;
    top: 120px;
    right: 5%;
    z-index: 2;
    animation-delay: 1s;
}

.mockup-screen-3 {
    width: 260px;
    height: 190px;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation-delay: 2s;
}

.mockup-illustration {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

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

/* mockup-screen-3用のアニメーション調整 */
.mockup-screen-3 {
    animation: floatScreen3 6s ease-in-out infinite;
    animation-delay: 2s;
}

@keyframes floatScreen3 {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-20px);
    }
}

/* 旧スタイルを削除（不要になったため） */

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    animation: bounce 2s ease-in-out infinite;
    z-index: 10;
}

.scroll-indicator i {
    font-size: 1.5rem;
}

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

/* ========================================
   Section Styles
   ======================================== */

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
}

/* ========================================
   About Section
   ======================================== */

.about {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.section-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.about .section-description {
    max-width: 700px;
    margin: 1.5rem auto 0;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
}

.about .section-description strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* 比較コンテナ */
.comparison-container {
    margin-top: 4rem;
}

.comparison-header {
    text-align: center;
    margin-bottom: 3rem;
}

.comparison-header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.comparison-header h3 {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--text-dark);
}

/* 比較カードのラッパー */
.comparison-wrapper {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    align-items: center;
}

/* 比較カード */
.comparison-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: all 0.3s ease;
}

.comparison-card:hover {
    transform: translateY(-5px);
}

.comparison-old {
    border: 3px solid #fee2e2;
}

.comparison-old:hover {
    box-shadow: 0 15px 50px rgba(239, 68, 68, 0.15);
}

.comparison-new {
    border: 3px solid #d1fae5;
}

.comparison-new:hover {
    box-shadow: 0 15px 50px rgba(16, 185, 129, 0.15);
}

/* バッジ */
.comparison-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.comparison-badge-old {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

.comparison-badge-new {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

/* アイコン大 */
.comparison-icon-large {
    text-align: center;
    margin: 2rem 0 1.5rem;
}

.comparison-icon-large i {
    font-size: 5rem;
    opacity: 0.2;
}

.comparison-old .comparison-icon-large i {
    color: #ef4444;
}

.comparison-new .comparison-icon-large i {
    color: #10b981;
}

/* タイトル */
.comparison-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

/* 問題点リスト */
.comparison-problems {
    margin-bottom: 2rem;
}

.problem-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: #fef2f2;
    border-radius: 10px;
    margin-bottom: 0.75rem;
    border-left: 4px solid #ef4444;
}

.problem-item:last-child {
    margin-bottom: 0;
}

.problem-item i {
    color: #ef4444;
    font-size: 1.25rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.problem-item span {
    color: #7f1d1d;
    font-weight: 500;
    line-height: 1.6;
}

/* メリットリスト */
.comparison-benefits {
    margin-bottom: 2rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background: #f0fdf4;
    border-radius: 10px;
    margin-bottom: 0.75rem;
    border-left: 4px solid #10b981;
}

.benefit-item:last-child {
    margin-bottom: 0;
}

.benefit-item i {
    color: #10b981;
    font-size: 1.25rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.benefit-item span {
    color: #064e3b;
    font-weight: 500;
    line-height: 1.6;
}

/* コスト表示 */
.comparison-cost {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 12px;
    margin-top: 2rem;
}

.cost-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cost-amount {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.cost-high {
    color: #ef4444;
}

.cost-low {
    color: #10b981;
}

.cost-note {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.4;
}

/* VS表示 */
.comparison-vs {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 1rem 0;
}

.vs-circle {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
    position: relative;
    animation: vsGlow 3s ease-in-out infinite;
}

.vs-circle::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    opacity: 0.2;
    filter: blur(20px);
    animation: vsPulse 3s ease-in-out infinite;
}

.vs-circle span {
    color: white;
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    position: relative;
    z-index: 1;
}

.vs-arrow {
    color: #667eea;
    font-size: 2.5rem;
    animation: arrowBounce 2s ease-in-out infinite;
}

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

@keyframes vsGlow {
    0%, 100% {
        box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
    }
    50% {
        box-shadow: 0 20px 50px rgba(102, 126, 234, 0.6);
    }
}

@keyframes vsPulse {
    0%, 100% {
        opacity: 0.2;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.1);
    }
}

/* 効果の可視化 */
.comparison-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.3);
}

.result-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.result-card:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

.result-icon {
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
}

.result-content {
    flex: 1;
}

.result-number {
    font-size: 2rem;
    font-weight: 900;
    color: white;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.result-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* 補足説明ボックス */
.about-note-box {
    display: flex;
    gap: 1.5rem;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    padding: 2rem;
    border-radius: 20px;
    margin-top: 3rem;
    border: 2px solid #fbbf24;
    box-shadow: 0 10px 30px rgba(251, 191, 36, 0.2);
}

.note-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #f59e0b;
}

.note-content h4 {
    font-size: 1.25rem;
    font-weight: 900;
    color: #78350f;
    margin-bottom: 0.75rem;
}

.note-content p {
    color: #78350f;
    line-height: 1.8;
    margin: 0;
}

/* 旧スタイル（後方互換性のため残す） */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-description {
    font-size: 1.25rem;
    line-height: 2;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.about-description strong {
    color: var(--primary-color);
    font-weight: 700;
}

.about-note {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.about-note i {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-top: 2px;
}

.about-note p {
    margin: 0;
    font-size: 0.95rem;
}

.comparison {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.comparison-item {
    flex: 1;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.comparison-bad {
    background: #fef2f2;
    border: 2px solid #fecaca;
}

.comparison-good {
    background: #f0fdf4;
    border: 2px solid #bbf7d0;
}

.comparison-item i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.comparison-bad i {
    color: var(--danger-color);
}

.comparison-good i {
    color: var(--success-color);
}

.comparison-item h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.comparison-item ul {
    list-style: none;
    text-align: left;
}

.comparison-item li {
    padding: 0.5rem 0;
    color: var(--text-light);
    font-size: 0.95rem;
}

.comparison-arrow {
    color: var(--primary-color);
    font-size: 2rem;
}

/* ========================================
   Benefits Section
   ======================================== */

.benefits {
    background: var(--bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.benefit-icon i {
    font-size: 2rem;
    color: white;
}

.benefit-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.benefit-card p {
    font-size: 0.95rem;
    margin: 0;
}

/* ========================================
   Why Section
   ======================================== */

.why {
    background: var(--bg-white);
}

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

.why-item {
    display: flex;
    gap: 2rem;
    padding: 2.5rem;
    margin-bottom: 2rem;
    background: var(--bg-light);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.why-item:hover {
    box-shadow: var(--shadow-md);
}

.why-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.why-icon-danger {
    background: #fef2f2;
}

.why-icon-danger i {
    font-size: 2rem;
    color: var(--danger-color);
}

.why-icon-success {
    background: #f0fdf4;
}

.why-icon-success i {
    font-size: 2rem;
    color: var(--success-color);
}

.why-text h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.why-text p {
    margin: 0;
}

/* ========================================
   Flow Section
   ======================================== */

.flow {
    background: var(--bg-light);
}

.flow-steps {
    max-width: 700px;
    margin: 0 auto;
}

.flow-step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.flow-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.flow-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.flow-content p {
    margin: 0;
}

.flow-arrow {
    text-align: center;
    padding: 1rem 0;
    color: var(--primary-color);
    font-size: 2rem;
}

/* ========================================
   Development Section - ENHANCED DESIGN
   ======================================== */

.development {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

/* Decorative background elements */
.development::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    animation: float 15s infinite ease-in-out;
}

.development::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    animation: float 12s infinite ease-in-out reverse;
}

.development .section-header {
    position: relative;
    z-index: 1;
}

.development .section-title {
    color: white;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.development-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    position: relative;
    z-index: 1;
}

.development-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    border: 3px solid rgba(255, 255, 255, 0.8);
}

/* Gradient accent line at top */
.development-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.development-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
    border-color: rgba(102, 126, 234, 0.5);
}

.development-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    position: relative;
    transition: all 0.3s ease;
}

.development-icon::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.3s ease;
}

.development-card:hover .development-icon {
    transform: rotateY(360deg);
}

.development-card:hover .development-icon::before {
    opacity: 0.6;
}

.development-icon i {
    font-size: 3rem;
    color: white;
    position: relative;
    z-index: 1;
}

.development-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 700;
}

.development-card p {
    margin: 0;
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* Badge for key metrics */
.development-badge {
    display: inline-block;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    50% {
        transform: translate(30px, 30px) rotate(5deg);
    }
}

/* ========================================
   Plans Section
   ======================================== */

.plans {
    background: var(--bg-light);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.plan-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.plan-popular {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.plan-popular:hover {
    transform: scale(1.05) translateY(-5px);
}

.plan-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--bg-light);
    color: var(--text-dark);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 1rem;
}

.plan-badge-popular {
    background: var(--primary-color);
    color: white;
}

.plan-card h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.plan-description {
    color: var(--text-light);
    margin-bottom: 2rem;
    min-height: 60px;
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
}

.plan-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

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

.plan-features i {
    color: var(--success-color);
    font-size: 1.125rem;
}

/* ========================================
   FAQ Section
   ======================================== */

.faq {
    background: var(--bg-white);
}

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

.faq-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

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

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    cursor: pointer;
    user-select: none;
}

.faq-question h3 {
    font-size: 1.125rem;
    margin: 0;
}

.faq-question i {
    color: var(--primary-color);
    font-size: 1.25rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.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 2rem 1.5rem;
    margin: 0;
}

/* ========================================
   Achievements Section
   ======================================== */

.achievements {
    background: var(--bg-white);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.achievement-card {
    background: linear-gradient(135deg, rgba(102, 102, 255, 0.05) 0%, rgba(236, 72, 153, 0.05) 100%);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.achievement-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.achievement-card:hover::before {
    opacity: 0.05;
}

.achievement-card > * {
    position: relative;
    z-index: 1;
}

.achievement-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.achievement-icon i {
    font-size: 2.5rem;
    color: white;
}

.achievement-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.achievement-card p {
    margin: 0;
    line-height: 1.7;
}

/* ========================================
   Key Strengths Section
   ======================================== */
.key-strengths {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: white;
}

.key-strengths .section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.key-strengths .section-title {
    color: white;
    font-size: 2.5rem;
}

.key-strengths .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.highlight-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.strengths-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.strength-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
}

.strength-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.strength-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.strength-subsidy .strength-icon {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.strength-speed .strength-icon {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.strength-success .strength-icon {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
}

.strength-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
}

.strength-card h3 {
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    color: white;
}

.strength-stats {
    text-align: center;
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

.stat-big {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-big span {
    font-size: 2.5rem;
}

.strength-stats .stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.strength-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.strength-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.strength-list li:last-child {
    margin-bottom: 0;
}

.strength-list i {
    color: #fbbf24;
    font-size: 1rem;
    flex-shrink: 0;
}

/* ========================================
   Samples Section - AUTO INFINITE SCROLL
   ======================================== */

.samples {
    background: var(--bg-light);
    padding: 80px 0;
    overflow: hidden;
}

.container-full {
    width: 100%;
    padding: 0;
}

.samples .section-header {
    text-align: center;
    margin-bottom: 3rem;
    padding: 0 20px;
}

.samples .section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.samples .section-description {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Carousel Container */
.samples-carousel {
    width: 100%;
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(
        to right,
        transparent,
        black 10%,
        black 90%,
        transparent
    );
    -webkit-mask-image: linear-gradient(
        to right,
        transparent,
        black 10%,
        black 90%,
        transparent
    );
}

/* Carousel Track */
.samples-carousel-track {
    display: flex;
    gap: 2rem;
    animation: scroll-left 60s linear infinite;
    width: fit-content;
}

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

/* Scroll Animation */
@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Sample Card for Carousel */
.sample-card-carousel {
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    min-width: 380px;
    max-width: 380px;
    height: 540px;
    flex-shrink: 0;
}

.sample-card-carousel:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.2);
    border-color: var(--primary-color);
}

.sample-card-link {
    cursor: pointer;
}

/* Sample Content */
.sample-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.sample-card-carousel h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
    line-height: 1.4;
}

.sample-card-carousel p {
    margin-bottom: 1rem;
    line-height: 1.6;
    color: var(--text-light);
    font-size: 0.95rem;
    flex: 1;
}

/* Sample Tags */
.sample-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.9rem;
    background: var(--bg-light);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.sample-card-carousel:hover .tag {
    background: var(--primary-color);
    color: white;
}

/* Sample Button */
.sample-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    margin-top: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.sample-btn:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.sample-btn i {
    font-size: 0.85rem;
}

/* Featured Button for Dashboard Link */
.sample-btn-featured {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    box-shadow: 0 4px 15px rgba(240, 147, 251, 0.4);
    animation: pulse-glow 2s ease-in-out infinite;
}

.sample-btn-featured:hover {
    background: linear-gradient(135deg, #f5576c 0%, #f093fb 100%);
    box-shadow: 0 6px 20px rgba(240, 147, 251, 0.6);
    transform: translateY(-2px) scale(1.05);
}

/* AI Tag */
.tag-ai {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    font-weight: 700;
    animation: pulse-subtle 2s ease-in-out infinite;
}

.sample-card-carousel:hover .tag-ai {
    background: linear-gradient(135deg, #f5576c 0%, #f093fb 100%);
    transform: scale(1.1);
}

/* Pulse Animation for Featured Items */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(240, 147, 251, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(240, 147, 251, 0.6);
    }
}

@keyframes pulse-subtle {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Sample Image */
.sample-image {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.sample-image i {
    font-size: 5rem;
    color: white;
    opacity: 0.9;
}

.sample-image-real {
    background: #f0f0f0;
    padding: 0;
}

.sample-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.sample-card-carousel:hover .sample-screenshot {
    transform: scale(1.1);
}

/* Link Badge */
.sample-link-badge {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sample-card-link:hover .sample-link-badge {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

/* Gradient Backgrounds */
.sample-ai-beauty {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.sample-map-ai {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.sample-freelance {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Featured Card */
.sample-card-featured {
    border: 3px solid #10b981;
    position: relative;
    height: 500px;
}

.sample-card-featured:hover {
    border-color: #059669;
    box-shadow: 0 12px 40px rgba(16, 185, 129, 0.3);
}

.sample-featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.45rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    z-index: 10;
    white-space: nowrap;
}

.sample-featured-badge i {
    font-size: 0.7rem;
}

/* Highlights */
.sample-highlights {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(5, 150, 105, 0.05) 100%);
    border-top: 2px solid rgba(16, 185, 129, 0.2);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
    color: #1e293b;
}

.highlight-item:last-child {
    margin-bottom: 0;
}

.highlight-item i {
    color: #10b981;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.highlight-item i {
    color: #10b981;
    font-size: 1rem;
    flex-shrink: 0;
}

/* Special Tags */
.tag-subsidy {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.5rem;
    min-width: 36px;
    justify-content: center;
}

.tag-speed {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    padding: 0.5rem;
    min-width: 36px;
    justify-content: center;
}

.tag-success {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    padding: 0.5rem;
    min-width: 36px;
    justify-content: center;
}

.tag-subsidy i,
.tag-speed i,
.tag-success i {
    font-size: 1rem;
}

.sample-card-featured:hover .tag-subsidy,
.sample-card-featured:hover .tag-speed,
.sample-card-featured:hover .tag-success {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Responsive */
@media (max-width: 968px) {
    .sample-card-carousel {
        min-width: 320px;
        max-width: 320px;
        height: 520px;
    }
    
    .samples .section-title {
        font-size: 2rem;
    }
    
    .sample-content {
        padding: 1.25rem;
    }
}

@media (max-width: 640px) {
    .sample-card-carousel {
        min-width: 280px;
        max-width: 280px;
        height: 500px;
    }
    
    .samples .section-title {
        font-size: 1.75rem;
    }
    
    .sample-content {
        padding: 1rem;
    }
    
    .sample-card-carousel h3 {
        font-size: 1.1rem;
    }
    
    .sample-card-carousel p {
        font-size: 0.9rem;
    }
    
    .sample-image {
        height: 170px;
    }
    
    .sample-btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.85rem;
    }
}

.sample-card-link {
    cursor: pointer;
}

.sample-card-link:hover .sample-link-badge {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.sample-image {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.sample-link-badge {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sample-education {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.sample-regional {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.sample-ai-beauty {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.sample-map-ai {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.sample-matching {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.sample-freelance {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Featured Sample Card */
.sample-card-featured {
    border: 3px solid #10b981;
    position: relative;
}

.sample-card-featured:hover {
    border-color: #059669;
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.3);
}

.sample-featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 10;
    white-space: nowrap;
}

.sample-highlights {
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(5, 150, 105, 0.05) 100%);
    border-top: 2px solid rgba(16, 185, 129, 0.2);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: #1e293b;
}

.highlight-item:last-child {
    margin-bottom: 0;
}

.highlight-item i {
    color: #10b981;
    font-size: 1rem;
    flex-shrink: 0;
}

/* Special Tags for Featured Card */
.tag-subsidy {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.tag-speed {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.tag-success {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
}

.sample-image i {
    font-size: 5rem;
    color: white;
    opacity: 0.9;
}

.sample-image-real {
    background: #f0f0f0;
    padding: 0;
}

.sample-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.sample-card > div:not(.sample-image) {
    padding: 2rem;
}

.sample-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.sample-card p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
    color: var(--text-light);
}

.sample-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--bg-light);
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

/* ========================================
   Contact Section
   ======================================== */

.contact {
    background: var(--bg-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

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

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

.required {
    color: var(--danger-color);
    font-size: 0.875rem;
    font-weight: 500;
}

.form-label-description {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    margin-top: -0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Noto Sans JP', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-dark);
    transition: all 0.2s ease;
}

.checkbox-label:hover {
    color: var(--primary-color);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checkbox-label span {
    flex: 1;
}

.form-note {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-note i {
    color: var(--success-color);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-info-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.contact-info-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.contact-info-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.contact-info-item p {
    margin: 0;
    font-size: 0.95rem;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    color: white;
    margin-bottom: 0.75rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 4rem;
}

.footer-links-column h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

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

.footer-links-column li {
    margin-bottom: 0.75rem;
}

.footer-links-column a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links-column a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

/* ========================================
   Modal
   ======================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: white;
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    max-width: 500px;
    animation: slideUp 0.3s ease;
}

.modal-icon {
    font-size: 5rem;
    color: var(--success-color);
    margin-bottom: 1.5rem;
}

.modal-content h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.modal-content p {
    margin-bottom: 2rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 968px) {
    .header .container {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .nav {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 1rem;
        padding-top: 1rem;
        border-top: 1px solid var(--border-color);
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .brand-name {
        font-size: 3rem;
    }

    .hero-image {
        order: -1;
    }

    .mockup-showcase {
        height: 500px;
    }

    .mockup-screen-1 {
        width: 200px;
        height: 145px;
        top: 50px;
        left: 3%;
    }

    .mockup-screen-2 {
        width: 200px;
        height: 145px;
        top: 100px;
        right: 3%;
    }

    .mockup-screen-3 {
        width: 200px;
        height: 145px;
        bottom: 50px;
        left: 50%;
        transform: translateX(-50%);
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 2rem;
    }

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

    .comparison-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .comparison-vs {
        transform: rotate(90deg);
        margin: 1rem 0;
        order: 2;
    }
    
    .comparison-old {
        order: 1;
    }
    
    .comparison-new {
        order: 3;
    }
    
    .vs-circle {
        width: 80px;
        height: 80px;
    }
    
    .vs-circle span {
        font-size: 1.5rem;
    }
    
    .vs-arrow {
        font-size: 2rem;
    }

    .comparison-results {
        grid-template-columns: 1fr 1fr;
    }

    .about-note-box {
        flex-direction: column;
        text-align: center;
    }

    .note-icon {
        margin: 0 auto;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .comparison {
        flex-direction: column;
    }

    .comparison-arrow {
        transform: rotate(90deg);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-links {
        gap: 2rem;
    }

    /* Development Section - Tablet Optimization */
    .development-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .development-card h3 {
        font-size: 1.35rem;
    }
}

@media (max-width: 640px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .brand-name {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .mockup-showcase {
        height: 420px;
    }

    .mockup-screen-1 {
        width: 150px;
        height: 110px;
        top: 40px;
        left: 5%;
    }

    .mockup-screen-2 {
        width: 150px;
        height: 110px;
        top: 80px;
        right: 5%;
    }

    .mockup-screen-3 {
        width: 150px;
        height: 110px;
        bottom: 40px;
        left: 50%;
        transform: translateX(-50%);
    }
    
    /* 比較セクションのモバイル対応 */
    .comparison-header-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .comparison-card {
        padding: 1.5rem;
    }
    
    .comparison-icon-large i {
        font-size: 3rem;
    }
    
    .comparison-title {
        font-size: 1.25rem;
    }
    
    .cost-amount {
        font-size: 2rem;
    }
    
    .vs-circle {
        width: 70px;
        height: 70px;
    }
    
    .vs-circle span {
        font-size: 1.25rem;
    }
    
    .vs-arrow {
        font-size: 1.75rem;
    }
    
    .comparison-results {
        grid-template-columns: 1fr;
        padding: 1.5rem;
    }
    
    .result-card {
        flex-direction: column;
        text-align: center;
    }
    
    .about-note-box {
        padding: 1.5rem;
    }
    
    .note-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .note-content h4 {
        font-size: 1.1rem;
    }

    .hero-stats {
        gap: 1.5rem;
        justify-content: space-around;
    }

    .stat-number {
        font-size: 2rem;
    }

    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    /* Development Section - Mobile Optimization */
    .development .section-title {
        font-size: 1.75rem;
    }

    .development-card {
        padding: 2rem 1.5rem;
    }

    .development-icon {
        width: 80px;
        height: 80px;
    }

    .development-icon i {
        font-size: 2.5rem;
    }

    .development-card h3 {
        font-size: 1.25rem;
    }

    .development-badge {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }

    .benefits-grid,
    .development-grid,
    .plans-grid,
    .samples-grid,
    .achievements-grid {
        grid-template-columns: 1fr;
    }

    .plan-popular {
        transform: scale(1);
    }

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

    .why-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1.5rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }

    .modal-content {
        margin: 1rem;
        padding: 2rem;
    }
}