/* リセットとベース設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* メインカラー */
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    
    /* グラデーション */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-accent: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    
    /* テキストカラー */
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-light: #64748b;
    --text-white: #ffffff;
    
    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-light: #f1f5f9;
    --bg-dark: #0f172a;
    
    /* その他 */
    --border-color: #e2e8f0;
    --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-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* アニメーション */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    line-height: 1.7;
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* ユーティリティクラス */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-base);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

.nav-cta {
    background: var(--gradient-primary);
    color: white !important;
    padding: 0.75rem 1.75rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all var(--transition-base);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.nav-cta::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

/* ヒーローセクション */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 0 80px;
    background: var(--bg-secondary);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.3;
}

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(20px) rotate(-1deg); }
}

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

.hero-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
    animation: fadeInUp 1s ease;
}

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

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.feature-icon {
    font-size: 1.2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    animation: fadeInUp 1.4s ease;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn-xlarge {
    padding: 1.5rem 3rem;
    font-size: 1.2rem;
}

.btn-glow {
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3); }
    50% { box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5); }
}

.btn-arrow {
    transition: transform var(--transition-base);
}

.btn:hover .btn-arrow {
    transform: translateX(5px);
}

.hero-trust {
    font-size: 0.95rem;
    color: var(--text-secondary);
    animation: fadeInUp 1.6s ease;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: bounce 2s infinite;
}

.hero-scroll span {
    font-size: 0.8rem;
    color: var(--text-light);
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-light);
    border-bottom: 2px solid var(--text-light);
    transform: rotate(45deg);
    margin: 0.5rem auto 0;
}

@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);
    }
}

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

/* 問題提起セクション */
.problem-section {
    padding: 5rem 0;
    background: white;
}

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

.problem-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 3rem;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.problem-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all var(--transition-base);
}

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

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.problem-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.solution-arrow {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
    animation: bounce 2s infinite;
}

/* セクション共通スタイル */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* コンセプトセクション */
.concept {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.concept-visual {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
    margin-bottom: 4rem;
}

.concept-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.transform-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.card-label {
    background: var(--bg-light);
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

.card-header.old .card-label {
    background: #fee2e2;
    color: #dc2626;
}

.card-header.new .card-label {
    background: #dbeafe;
    color: #2563eb;
}

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

.concept-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-secondary);
}

.concept-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    font-size: 1.5rem;
    font-weight: bold;
}

.transform-card:first-child .concept-list li::before {
    color: #dc2626;
}

.transform-card:last-child .concept-list li::before {
    color: #10b981;
}

.transform-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.transform-circle {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
    animation: rotate 10s linear infinite;
}

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

.value-proposition {
    margin-bottom: 4rem;
}

.value-card {
    background: var(--gradient-primary);
    color: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.value-text {
    font-size: 1.25rem;
    line-height: 1.8;
}

.value-text strong {
    font-size: 1.5rem;
    color: #fbbf24;
}

.strategy-showcase {
    text-align: center;
}

.strategy-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.strategy-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.strategy-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.strategy-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.strategy-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.strategy-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 可能性セクション */
.potential {
    padding: 5rem 0;
    background: white;
}

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

.potential-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.potential-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

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

.potential-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.potential-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

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

.potential-card.highlight {
    background: var(--gradient-primary);
    color: white;
}

.potential-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.potential-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.potential-card p {
    line-height: 1.8;
}

.potential-card.highlight p {
    color: rgba(255, 255, 255, 0.9);
}

.potential-note {
    text-align: center;
    padding: 1.5rem;
    background: #fef3c7;
    border-radius: 10px;
    color: #92400e;
    font-size: 0.9rem;
}

/* ツールセクション */
.tools {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.tools-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.tool-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    position: relative;
    transition: all var(--transition-base);
    overflow: hidden;
}

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

.tool-card.featured::before {
    background: var(--gradient-accent);
}

.tool-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.tool-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.tool-card.featured .tool-badge {
    background: var(--gradient-accent);
}

.tool-icon {
    margin: 2rem 0 1.5rem;
    text-align: center;
}

.tool-icon img {
    width: 60px;
    height: 60px;
}

.tool-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.tool-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.tool-features {
    margin-bottom: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.check-icon {
    color: #10b981;
    font-weight: bold;
    font-size: 1.2rem;
}

.tool-result {
    background: var(--bg-light);
    padding: 1rem;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.result-value {
    font-weight: 700;
    color: var(--primary-color);
}

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

.cta-text {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* モニター詳細セクション */
.monitor-details {
    padding: 5rem 0;
    background: white;
}

.monitor-benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.benefit-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.benefit-card.premium {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
}

.benefit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.benefit-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.benefit-value {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
}

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

.benefit-list li {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.benefit-list strong {
    display: block;
    margin-bottom: 0.25rem;
}

.benefit-list p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.monitor-conditions h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.condition-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.condition-item {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.condition-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.condition-item p {
    color: var(--text-secondary);
}

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

.urgency-banner {
    background: var(--gradient-warm);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.3);
}

.urgency-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    color: white;
}

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

.urgency-text h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.countdown-timer {
    display: flex;
    gap: 1.5rem;
}

.time-unit {
    text-align: center;
}

.time-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
}

.time-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* サポートセクション */
.support {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.support-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.timeline-line {
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.support-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    align-items: flex-start;
}

.support-number {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.support-content {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    flex: 1;
}

.support-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.support-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.guarantee-box {
    background: var(--gradient-success);
    color: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.3);
}

.guarantee-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.guarantee-box h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.guarantee-box p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* お問い合わせセクション */
.contact {
    padding: 5rem 0;
    background: white;
}

.contact-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

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

.contact-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

.contact-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.contact-form {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

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

.required {
    color: var(--accent-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-base);
    background: white;
}

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

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

.form-footer {
    text-align: center;
    margin-top: 2rem;
}

.btn-submit {
    min-width: 250px;
}

.form-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* FAQセクション */
.faq {
    padding: 5rem 0;
    background: var(--bg-secondary);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    margin-bottom: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    cursor: pointer;
    transition: background var(--transition-base);
}

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

.faq-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.faq-answer {
    display: flex;
    gap: 1rem;
    padding: 0 1.5rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

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

/* 最終CTAセクション */
.final-cta {
    padding: 5rem 0;
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: moveGrid 20s linear infinite;
}

@keyframes moveGrid {
    0% { transform: translate(0, 0); }
    100% { transform: translate(30px, 30px); }
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.cta-text {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.8;
}

.cta-benefits {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.cta-benefit {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.benefit-check {
    font-size: 1.5rem;
    color: #fbbf24;
}

.btn-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.cta-urgency {
    margin-top: 1.5rem;
    font-size: 1rem;
    opacity: 0.9;
}

/* フッター */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    width: 50px;
    height: 50px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    opacity: 0.8;
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

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

.footer-list a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-base);
    font-size: 0.95rem;
}

.footer-list a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.footer-note {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        gap: 1.5rem;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }
    
    .concept-visual {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .transform-icon {
        transform: rotate(90deg);
    }
    
    .monitor-benefits {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .support-timeline {
        padding-left: 0;
    }
    
    .timeline-line {
        display: none;
    }
    
    .support-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cta-benefits {
        flex-direction: column;
        gap: 1rem;
    }
}

/* アニメーション */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

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

/* スクロールバー */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}