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

:root {
    /* Primary Colors - AI & Technology Theme */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    
    /* Accent Colors */
    --accent: #ec4899;
    --accent-light: #f472b6;
    --success: #10b981;
    --warning: #f59e0b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    
    /* Neutral Colors */
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --white: #ffffff;
    --bg-light: #f8fafc;
    
    /* Typography */
    --font-main: 'Noto Sans JP', sans-serif;
    --font-heading: 'Montserrat', 'Noto Sans JP', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
    background-color: var(--white);
}

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

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
}

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

.section-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

.text-highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
}

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

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

.btn-large {
    padding: 1.5rem 3rem;
    font-size: 1.125rem;
}

.btn i {
    font-size: 1.2em;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--white);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
}

.animated-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #667eea 0%, transparent 70%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #f093fb 0%, transparent 70%);
    bottom: -10%;
    right: -10%;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #4facfe 0%, transparent 70%);
    top: 50%;
    right: 20%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-30px, 30px) scale(0.9);
    }
    75% {
        transform: translate(30px, 50px) scale(1.05);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-lg) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    animation: fadeInDown 0.8s ease;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.title-main {
    display: block;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: 0.02em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.title-sub {
    display: block;
    font-size: clamp(1.25rem, 4vw, 2.5rem);
    font-weight: 700;
    opacity: 0.95;
}

.hero-logo {
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.4s both;
    display: flex;
    justify-content: center;
}

.logo-image {
    max-width: 500px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
    padding: 1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
}

.logo-text {
    display: inline-block;
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 900;
    padding: 0.5rem 2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    letter-spacing: 0.1em;
}

.hero-description {
    font-size: clamp(1rem, 2.5vw, 1.375rem);
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.price-highlight {
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.8s both;
}

.price-badge {
    display: inline-block;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    color: var(--dark);
}

.badge-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.price-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.price-from {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray);
}

.price-amount {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-currency {
    font-size: 0.6em;
}

.price-tax {
    font-size: 1.5rem;
    color: var(--gray);
}

.price-original {
    font-size: 1rem;
    color: var(--gray);
    text-decoration: line-through;
}

.hero-cta {
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 1s both;
}

.cta-note {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--warning);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 1.2s both;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 700;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.7;
    animation: bounce 2s infinite;
}

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

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

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

/* ===========================
   Problem Section
   =========================== */
.problem-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

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

.problem-card {
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

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

.problem-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

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

.problem-card p {
    color: var(--gray);
}

.solution-box {
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.solution-box h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ===========================
   Features Section
   =========================== */
.features-section {
    padding: var(--spacing-xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    position: relative;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: var(--transition);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-number {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 3rem;
    font-weight: 900;
    color: rgba(99, 102, 241, 0.1);
    font-family: var(--font-heading);
}

.feature-icon-large {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-success);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.feature-card p {
    color: var(--gray);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.feature-highlight {
    padding: 0.75rem;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.125rem;
}

/* ===========================
   Curriculum Section
   =========================== */
.curriculum-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.curriculum-flow {
    max-width: 600px;
    margin: 0 auto;
}

.curriculum-step {
    margin-bottom: var(--spacing-md);
}

.step-number {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 2rem;
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.step-content {
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition);
}

.step-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.step-icon {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    background: var(--gradient-success);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.step-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--gray);
    font-size: 0.875rem;
}

.curriculum-arrow {
    text-align: center;
    font-size: 2rem;
    color: var(--primary);
    margin: var(--spacing-sm) 0;
}

.curriculum-step-final .step-number {
    background: var(--gradient-accent);
}

.curriculum-step-final .step-icon {
    background: var(--gradient-accent);
}

.curriculum-step-final .step-content {
    border: 2px solid var(--accent);
}

.curriculum-result {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.curriculum-result h3 {
    font-size: 1.5rem;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

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

.result-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--bg-light);
    border-radius: var(--radius-md);
}

.result-item i {
    color: var(--success);
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ===========================
   Sample Works Section
   =========================== */
.sample-section {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

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

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    background: var(--dark);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
}

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

.sample-point {
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.sample-point:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.point-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.sample-point h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.sample-point p {
    color: var(--gray);
    font-size: 0.875rem;
}

.sample-cta {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.sample-cta-text {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

/* ===========================
   After Support Section
   =========================== */
.support-section {
    padding: var(--spacing-xl) 0;
    background: var(--dark);
    color: var(--white);
}

.support-section .section-header {
    color: var(--white);
}

.support-section .section-title {
    color: var(--white);
}

.support-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.support-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.support-price {
    margin-bottom: var(--spacing-md);
}

.support-amount {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    background: var(--gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.currency {
    font-size: 0.5em;
}

.support-period {
    font-size: 1.5rem;
    color: var(--gray-light);
}

.support-concept {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.support-description {
    font-size: 1.125rem;
    color: var(--gray-light);
    line-height: 1.8;
}

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

.support-feature {
    padding: var(--spacing-md);
    background: var(--dark-light);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.support-feature:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
}

.support-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-sm);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

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

.support-feature p {
    color: var(--gray-light);
    font-size: 0.875rem;
}

.support-callout {
    padding: var(--spacing-md);
    background: rgba(236, 72, 153, 0.1);
    border: 2px solid var(--accent);
    border-radius: var(--radius-lg);
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.support-callout i {
    color: var(--accent);
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.support-callout p {
    color: var(--gray-light);
    line-height: 1.8;
}

/* ===========================
   Method Section
   =========================== */
.method-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.method-card {
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gray-light);
    transition: var(--transition);
}

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

.method-primary {
    border-color: var(--primary);
    border-width: 3px;
}

.method-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.method-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

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

.method-detail {
    text-align: center;
}

.method-location {
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.method-location i {
    color: var(--primary);
    margin-right: 0.5rem;
}

.method-description {
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
}

.method-note {
    font-size: 0.875rem;
    color: var(--warning);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ===========================
   Price Section
   =========================== */
.price-section {
    padding: var(--spacing-xl) 0;
    background: var(--white);
}

.price-normal {
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
}

.price-label {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
}

.price-amount-large {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    color: var(--dark);
}

.price-amount-large .currency {
    font-size: 0.5em;
}

.price-amount-large .tax {
    font-size: 0.4em;
    color: var(--gray);
}

.subsidy-alert {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-lg);
}

.subsidy-alert i {
    font-size: 2rem;
}

.price-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.price-card {
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--gray-light);
    transition: var(--transition);
}

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

.price-card-best {
    border-color: var(--accent);
    border-width: 3px;
    position: relative;
}

.price-card-best::before {
    content: 'おすすめ！';
    position: absolute;
    top: -15px;
    right: var(--spacing-md);
    padding: 0.5rem 1.5rem;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.price-card-badge {
    text-align: center;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary);
}

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

.price-card-main {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.price-label-small {
    font-size: 1.25rem;
    color: var(--gray);
}

.price-huge {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-unit {
    font-size: 1.5rem;
    color: var(--gray);
}

.price-card-note {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
}

.price-card-detail {
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

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

.subsidy-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-light);
}

.subsidy-label {
    color: var(--gray);
    font-size: 0.875rem;
}

.subsidy-value {
    font-weight: 700;
    color: var(--dark);
    font-size: 1.125rem;
}

.subsidy-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--white);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-sm);
}

.subsidy-total .subsidy-label {
    font-weight: 700;
    font-size: 1rem;
    color: var(--primary);
}

.subsidy-value-large {
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-card-appeal {
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.urgency-box {
    padding: var(--spacing-md);
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.urgency-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.urgency-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.cta-center {
    text-align: center;
}

/* ===========================
   CTA Section
   =========================== */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: var(--gradient-hero);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-features-inline {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.cta-feature-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    font-weight: 700;
}

.cta-feature-inline i {
    color: var(--success);
}

/* ===========================
   Form Section
   =========================== */
.form-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.form-container {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form {
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.required {
    color: var(--accent);
    font-size: 0.875rem;
    margin-left: 0.5rem;
}

.optional {
    color: var(--gray);
    font-size: 0.875rem;
    margin-left: 0.5rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: var(--font-main);
    transition: var(--transition);
}

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

.form-textarea {
    resize: vertical;
}

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

.radio-label {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

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

.radio-label input[type="radio"] {
    margin-right: var(--spacing-sm);
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.radio-label input[type="radio"]:checked + span {
    font-weight: 700;
    color: var(--primary);
}

.form-privacy {
    margin-bottom: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-right: var(--spacing-sm);
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.link {
    color: var(--primary);
    text-decoration: underline;
}

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

.btn-submit {
    width: 100%;
    max-width: 400px;
}

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    margin-top: var(--spacing-md);
}

.form-success {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--success);
    color: var(--dark);
}

.form-success i {
    font-size: 3rem;
    color: var(--success);
    margin-bottom: var(--spacing-sm);
}

.form-error {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid #ef4444;
    color: var(--dark);
}

.form-error i {
    font-size: 3rem;
    color: #ef4444;
    margin-bottom: var(--spacing-sm);
}

.form-message h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--dark);
    color: var(--gray-light);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    margin-bottom: var(--spacing-md);
}

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

.footer-logo h3 {
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
}

.footer-logo-image {
    max-width: 300px;
    width: 100%;
    height: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-logo p {
    font-size: 0.875rem;
}

.footer-company h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.company-info p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    font-size: 0.875rem;
}

.company-info strong {
    color: var(--white);
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--dark-light);
    border-bottom: 1px solid var(--dark-light);
}

.footer-link {
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    font-size: 0.875rem;
}

/* ===========================
   Floating CTA Button
   =========================== */
.floating-cta {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1000;
    opacity: 0;
    transform: translateY(100px);
    transition: var(--transition);
}

.floating-cta.show {
    opacity: 1;
    transform: translateY(0);
}

.floating-cta .btn {
    box-shadow: var(--shadow-xl);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(99, 102, 241, 0);
    }
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: stretch;
    }
    
    .feature-item {
        justify-content: center;
    }
    
    .price-cards {
        grid-template-columns: 1fr;
    }
    
    .method-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
    }
    
    .support-features {
        grid-template-columns: 1fr;
    }
    
    .sample-points {
        grid-template-columns: 1fr;
    }
    
    .result-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
    }
    
    .floating-cta {
        bottom: var(--spacing-sm);
        right: var(--spacing-sm);
        left: var(--spacing-sm);
    }
    
    .floating-cta .btn {
        width: 100%;
    }
    
    .urgency-box {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-features-inline {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .btn-large {
        padding: 1.25rem 2rem;
        font-size: 1rem;
    }
    
    .price-badge {
        padding: var(--spacing-sm);
    }
    
    .support-callout {
        flex-direction: column;
        text-align: center;
    }
    
    .logo-image {
        max-width: 280px;
        padding: 0.75rem;
    }
    
    .footer-logo-image {
        max-width: 200px;
    }
}