/* ===================================
   3D Miniature Design System
   Colorful, Playful, Modern
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Vibrant Color Palette */
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-light: #a5b4fc;
    --color-secondary: #ec4899;
    --color-accent-1: #f59e0b;
    --color-accent-2: #10b981;
    --color-accent-3: #8b5cf6;
    --color-accent-4: #06b6d4;
    
    /* Gradient Backgrounds */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-warm: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-cool: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-sunset: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --gradient-ocean: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --gradient-forest: linear-gradient(135deg, #d299c2 0%, #fef9d7 100%);
    
    /* Soft Colors */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-lighter: #94a3b8;
    
    /* 3D Effects */
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-large: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-colorful: 0 10px 40px rgba(99, 102, 241, 0.3);
    --shadow-colorful-hover: 0 15px 50px rgba(99, 102, 241, 0.4);
    
    /* Typography */
    --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 17px;
    --line-height-base: 1.7;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 32px;
    --spacing-lg: 64px;
    --spacing-xl: 96px;
    
    /* Border Radius - More playful */
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 32px;
    --radius-xl: 48px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
}

/* Decorative Background Blobs */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}

body::before {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #667eea 0%, transparent 70%);
    top: -250px;
    right: -250px;
}

body::after {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #ec4899 0%, transparent 70%);
    bottom: -200px;
    left: -200px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.section::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.05;
    pointer-events: none;
    background-image: 
        radial-gradient(circle at 20% 50%, var(--color-accent-1) 2px, transparent 2px),
        radial-gradient(circle at 80% 50%, var(--color-accent-2) 2px, transparent 2px);
    background-size: 100px 100px;
    background-position: 0 0, 50px 50px;
}

.section:nth-child(even) {
    background: var(--color-bg-secondary);
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.section-subtitle {
    text-align: center;
    font-size: 1.35rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    font-weight: 500;
}

.section-body {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
}

.section-body p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.highlight-text {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: var(--spacing-md);
}

.disclaimer {
    font-size: 0.9rem;
    color: var(--color-text-lighter);
    font-style: italic;
}

/* ===================================
   3D Card Component
   =================================== */
.card-3d {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    position: relative;
    transform-style: preserve-3d;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-soft);
}

.card-3d::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.5) 0%, rgba(255,255,255,0) 100%);
    border-radius: var(--radius-md);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card-3d:hover {
    transform: translateY(-8px) rotateX(2deg);
    box-shadow: var(--shadow-colorful-hover);
}

.card-3d:hover::before {
    opacity: 1;
}

/* ===================================
   Header & Navigation - 3D Style
   =================================== */
.header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav {
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

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

.nav-menu a {
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav-menu a:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 24px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* ===================================
   Buttons & CTAs - 3D Style
   =================================== */
.cta-button,
.cta-button-large,
.cta-button-small {
    display: inline-block;
    padding: 16px 32px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 700;
    text-align: center;
    transition: all var(--transition-bounce);
    border: none;
    cursor: pointer;
    text-decoration: none;
    box-shadow: var(--shadow-colorful);
    position: relative;
    overflow: hidden;
}

.cta-button::before,
.cta-button-large::before,
.cta-button-small::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;
}

.cta-button:hover::before,
.cta-button-large:hover::before,
.cta-button-small:hover::before {
    left: 100%;
}

.cta-button-large {
    padding: 20px 48px;
    font-size: 1.25rem;
}

.cta-button-small {
    padding: 12px 24px;
    font-size: 0.95rem;
}

.cta-button:hover,
.cta-button-large:hover,
.cta-button-small:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-large);
}

.cta-primary {
    background: var(--gradient-primary);
}

.cta-secondary {
    background: white;
    color: var(--color-primary);
    border: 3px solid var(--color-primary);
    box-shadow: var(--shadow-soft);
}

.cta-secondary:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

/* ===================================
   Hero Section - 3D Miniature Style
   =================================== */
.hero-section {
    padding: calc(var(--spacing-xl) * 1.5) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 50%, #fce7f3 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    top: -300px;
    left: -300px;
    animation: float 20s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.2) 0%, transparent 70%);
    bottom: -250px;
    right: -250px;
    animation: float 15s ease-in-out infinite reverse;
}

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

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    font-weight: 900;
    letter-spacing: -2px;
    text-shadow: 0 4px 20px rgba(99, 102, 241, 0.2);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    font-weight: 500;
}

.hero-body {
    margin: var(--spacing-lg) 0;
    color: var(--color-text-light);
}

.hero-features {
    list-style: none;
    max-width: 700px;
    margin: var(--spacing-lg) auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
}

.hero-features li {
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    position: relative;
    padding-left: 60px;
    text-align: left;
    transition: all var(--transition-base);
}

.hero-features li:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-colorful);
}

.hero-features li::before {
    content: "✓";
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.2rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    min-width: 180px;
    transition: all var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-colorful-hover);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-text-lighter);
    margin-top: var(--spacing-xs);
    font-weight: 600;
}

/* ===================================
   Problem Section - 3D Cards
   =================================== */
.problem-section {
    background: linear-gradient(135deg, #fef3c7 0%, #fce7f3 100%);
}

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

.problem-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: all var(--transition-bounce);
    border: 3px solid transparent;
}

.problem-item:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-large);
    border-color: var(--color-secondary);
}

.problem-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

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

.problem-item h3 {
    font-size: 1.35rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.problem-item p {
    color: var(--color-text-light);
    margin-bottom: 0;
    line-height: 1.6;
}

/* ===================================
   Comparison Section
   =================================== */
.comparison-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.comparison-item {
    flex: 1;
    min-width: 300px;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-base);
}

.comparison-bad {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border: 3px solid #fca5a5;
}

.comparison-good {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 3px solid #86efac;
}

.comparison-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
}

.comparison-item h3 {
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-size: 1.5rem;
}

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

.comparison-item li {
    padding: var(--spacing-sm) 0;
    padding-left: 40px;
    position: relative;
    font-weight: 500;
}

.comparison-bad li::before {
    content: "✗";
    position: absolute;
    left: 0;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #f87171 0%, #dc2626 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
}

.comparison-good li::before {
    content: "✓";
    position: absolute;
    left: 0;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #34d399 0%, #059669 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
}

.comparison-arrow {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

/* ===================================
   Features Grid - 3D Cards
   =================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--color-primary-light), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    animation: rotate 4s linear infinite;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

.feature-card:hover::before {
    opacity: 0.1;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-colorful-hover);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    transition: transform var(--transition-bounce);
}

.feature-card:hover .feature-icon {
    transform: scale(1.2) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.feature-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
    position: relative;
    z-index: 1;
}

/* ===================================
   Flow Diagram - 3D Steps
   =================================== */
.mechanism-section {
    background: linear-gradient(135deg, #e0e7ff 0%, #fae8ff 100%);
}

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

.flow-step {
    flex: 1;
    min-width: 220px;
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    text-align: center;
    position: relative;
    transition: all var(--transition-bounce);
    border: 3px solid transparent;
}

.flow-step:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-colorful-hover);
    border-color: var(--color-primary);
}

.flow-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.1rem;
    box-shadow: var(--shadow-colorful);
}

.flow-icon {
    font-size: 3rem;
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.flow-step h3 {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.flow-step p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: 0;
}

.flow-arrow {
    font-size: 2.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.tech-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    border-left: 4px solid var(--color-primary);
    transition: all var(--transition-base);
}

.tech-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-medium);
}

.tech-item strong {
    color: var(--color-primary);
    font-size: 1.1rem;
}

/* ===================================
   Steps Container - 3D Cards
   =================================== */
.steps-container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.step-card {
    flex: 1;
    min-width: 250px;
    max-width: 350px;
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    text-align: center;
    position: relative;
    transition: all var(--transition-bounce);
}

.step-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-colorful-hover);
}

.step-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 20px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: var(--shadow-colorful);
}

.step-icon {
    font-size: 3.5rem;
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.step-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

.support-features {
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    max-width: 700px;
    margin: var(--spacing-lg) auto 0;
}

.support-features h3 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

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

.support-features li {
    padding: var(--spacing-sm) 0;
    padding-left: 40px;
    position: relative;
}

.support-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    width: 28px;
    height: 28px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
}

/* ===================================
   Case Studies - 3D Cards
   =================================== */
.results-section {
    background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
}

.case-studies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.case-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transition: left 0.5s;
}

.case-card:hover::before {
    left: 100%;
}

.case-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-colorful-hover);
}

.case-label {
    display: inline-block;
    background: var(--gradient-primary);
    color: white;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-colorful);
}

.case-card h3 {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.case-stat {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: var(--spacing-sm) 0;
}

.case-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.results-note {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 3px solid #fbbf24;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-soft);
}

/* ===================================
   Use Cases - 3D Grid
   =================================== */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.use-case-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: all var(--transition-bounce);
    border: 3px solid transparent;
}

.use-case-card:hover {
    transform: translateY(-8px) rotate(2deg);
    box-shadow: var(--shadow-colorful-hover);
    border-color: var(--color-accent-2);
}

.use-case-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    transition: transform var(--transition-bounce);
}

.use-case-card:hover .use-case-icon {
    transform: scale(1.3) rotate(-10deg);
}

.use-case-card h3 {
    font-size: 1.15rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.use-case-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.medical-note {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border: 3px solid #fca5a5;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-soft);
}

/* ===================================
   Stats - 3D Boxes
   =================================== */
.why-now-section {
    background: linear-gradient(135deg, #dbeafe 0%, #e0e7ff 100%);
}

.stats-container {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.stat-box {
    flex: 1;
    min-width: 250px;
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: all var(--transition-bounce);
    border: 3px solid transparent;
}

.stat-box:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-colorful-hover);
    border-color: var(--color-accent-4);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-cool);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: var(--spacing-sm) 0;
}

.stat-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

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

.point-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    border-left: 4px solid var(--color-accent-4);
    transition: all var(--transition-base);
}

.point-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-medium);
}

.point-item strong {
    color: var(--color-primary);
}

/* ===================================
   Pricing - 3D Cards
   =================================== */
.pricing-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%);
}

.pricing-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.pricing-card {
    background: white;
    border: 3px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-bounce);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-large);
}

.pricing-featured {
    border: 4px solid var(--color-primary);
    box-shadow: var(--shadow-colorful);
    transform: scale(1.05);
}

.pricing-featured:hover {
    transform: translateY(-12px) scale(1.07);
}

.pricing-premium {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 4px solid #fbbf24;
}

.pricing-label {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 24px;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 800;
    box-shadow: var(--shadow-colorful);
}

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

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

.pricing-price {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: var(--spacing-sm) 0;
}

.pricing-badge {
    display: inline-block;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    margin-top: var(--spacing-xs);
}

.pricing-savings {
    color: var(--color-accent-2);
    font-weight: 700;
    font-size: 0.95rem;
    margin-top: var(--spacing-xs);
}

.pricing-body {
    flex-grow: 1;
}

.pricing-target {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-weight: 600;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    padding-left: 36px;
    position: relative;
}

.pricing-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 0.9rem;
}

.pricing-features li.feature-note {
    font-size: 0.85rem;
    color: var(--color-text-lighter);
}

.pricing-features li.feature-note::before {
    content: "※";
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.pricing-button {
    display: block;
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-bounce);
    text-align: center;
    text-decoration: none;
    box-shadow: var(--shadow-colorful);
}

.pricing-button:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: var(--shadow-large);
}

.pricing-button-featured {
    font-size: 1.15rem;
    padding: 18px;
}

.pricing-notes {
    background: var(--color-bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-lg);
}

.pricing-notes h3 {
    margin-bottom: var(--spacing-md);
}

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

.pricing-notes li {
    padding: var(--spacing-xs) 0;
    padding-left: 30px;
    position: relative;
}

.pricing-notes li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 900;
    font-size: 1.5rem;
}

/* ===================================
   Bonuses - 3D Grid
   =================================== */
.bonuses-section {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
}

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

.bonus-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: all var(--transition-bounce);
    border: 3px solid transparent;
}

.bonus-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-colorful-hover);
    border-color: var(--color-accent-2);
}

.bonus-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.bonus-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.bonus-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* ===================================
   Roadmap - Timeline Style
   =================================== */
.roadmap-section {
    padding: var(--spacing-xl) 0;
}

.roadmap-phase {
    margin: var(--spacing-lg) 0;
}

.phase-title {
    font-size: 1.75rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 4px solid var(--color-primary);
}

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

.roadmap-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    transition: all var(--transition-base);
}

.roadmap-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-colorful);
}

.roadmap-amount {
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.roadmap-desc strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
    color: var(--color-text);
}

.roadmap-desc p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.timeline {
    margin-top: var(--spacing-xl);
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.timeline h3 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.timeline-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.timeline-item {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 5px solid var(--color-primary);
    transition: all var(--transition-base);
}

.timeline-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-medium);
}

.timeline-date {
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.timeline-event {
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 500;
}

/* ===================================
   Risks - Card Style
   =================================== */
.risks-section {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
}

.risks-container {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.risk-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    position: relative;
    transition: all var(--transition-base);
}

.risk-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.risk-number {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    width: 48px;
    height: 48px;
    background: var(--gradient-warm);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.5rem;
    box-shadow: var(--shadow-colorful);
}

.risk-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    padding-left: 70px;
    color: var(--color-text);
}

.risk-content {
    display: grid;
    gap: var(--spacing-md);
}

.risk-item {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--color-bg-tertiary);
}

.risk-item strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    font-size: 1.05rem;
}

.risk-item p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

.risk-solution {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border-left: 5px solid var(--color-accent-2);
}

/* ===================================
   FAQ - Accordion Style
   =================================== */
.faq-section {
    padding: var(--spacing-xl) 0;
}

.faq-container {
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
}

.faq-item {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    box-shadow: var(--shadow-medium);
}

.faq-question {
    padding: var(--spacing-md);
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    transition: all var(--transition-fast);
}

.faq-question:hover {
    background: linear-gradient(135deg, #e0e7ff 0%, #dbeafe 100%);
}

.faq-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1rem;
    box-shadow: var(--shadow-colorful);
}

.faq-question h3 {
    font-size: 1.15rem;
    margin: 0;
    flex: 1;
    color: var(--color-text);
}

.faq-answer {
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    border-top: 2px solid var(--color-bg-tertiary);
}

.faq-answer .faq-icon {
    background: var(--gradient-forest);
}

.faq-answer p {
    flex: 1;
    color: var(--color-text-light);
    margin: 0;
}

/* ===================================
   Updates - Timeline
   =================================== */
.updates-section {
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
}

.updates-timeline {
    max-width: 900px;
    margin: var(--spacing-lg) auto 0;
}

.update-item {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.update-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-colorful);
}

.update-date {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 800;
    font-size: 1rem;
}

.update-content {
    padding: var(--spacing-md);
}

.update-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.update-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.update-next {
    background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 5px solid var(--color-primary);
    margin-top: var(--spacing-md);
}

.update-sns {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    border-left: 5px solid var(--color-accent-2);
}

.update-sns strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.sns-text {
    color: var(--color-text-light);
    font-style: italic;
    margin-bottom: 0;
}

.update-schedule {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.update-schedule p {
    margin: 0;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Final CTA - Hero Style
   =================================== */
.final-cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 50%, #fce7f3 100%);
    position: relative;
    overflow: hidden;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
    top: -250px;
    right: -250px;
    animation: float 15s ease-in-out infinite;
}

.final-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-bounce);
}

.benefit-item:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-colorful);
}

.benefit-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.benefit-item p {
    margin: 0;
    color: var(--color-text);
    font-weight: 600;
}

.final-cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.final-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.final-stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    min-width: 160px;
    transition: all var(--transition-bounce);
}

.final-stat-item:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: var(--shadow-colorful-hover);
}

.final-stat-label {
    font-size: 0.95rem;
    color: var(--color-text-lighter);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.final-stat-value {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.final-note {
    text-align: center;
    margin-top: var(--spacing-lg);
    color: var(--color-text-light);
    font-style: italic;
    font-weight: 500;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    color: white;
}

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

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, #a5b4fc 0%, #fde68a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    font-weight: 500;
}

.footer-nav a:hover {
    color: white;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    margin-top: var(--spacing-md);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 48px;
        --spacing-xl: 64px;
    }

    .nav-menu {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-stats {
        gap: var(--spacing-md);
    }

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

    .comparison-arrow {
        font-size: 2rem;
        transform: rotate(90deg);
    }

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

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

    .final-stat-value {
        font-size: 2rem;
    }

    .hero-features {
        grid-template-columns: 1fr;
    }
}

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

.fade-in {
    animation: fadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Smooth scroll padding for fixed header */
html {
    scroll-padding-top: 80px;
}

/* Focus styles for accessibility */
:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* Selection color */
::selection {
    background: var(--color-primary-light);
    color: white;
}

/* Loading state */
body.loaded {
    animation: fadeIn 0.5s ease-out;
}

/* Glassmorphism effect */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}