/* ========================================
   ベーススタイル
   ======================================== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #0ea5e9;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --bg-light: #f9fafb;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --success-color: #10b981;
    --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);
    
    /* ネオン/グローカラー（黄色/オレンジ系） */
    --neon-yellow: #fbbf24;
    --neon-orange: #fb923c;
    --neon-amber: #fcd34d;
    --glow-yellow: rgba(251, 191, 36, 0.6);
    --glow-orange: rgba(251, 146, 60, 0.6);
}

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

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

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

/* ========================================
   固定CTAボタン（スマホ）
   ======================================== */
.fixed-cta-mobile {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 12px 16px;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: none;
}

.fixed-cta-mobile .cta-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    color: var(--primary-color);
    padding: 14px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

.fixed-cta-mobile .cta-button i {
    margin-right: 8px;
    font-size: 18px;
}

.fixed-cta-mobile .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .fixed-cta-mobile {
        display: block;
    }
}

/* ========================================
   ヒーローセクション
   ======================================== */
.hero {
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #1e3a8a 100%);
    color: var(--bg-white);
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(251, 191, 36, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(251, 191, 36, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

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

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.08) 0%, transparent 70%);
    animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 24px;
    text-shadow: 
        0 0 10px rgba(251, 191, 36, 0.3),
        0 0 20px rgba(251, 191, 36, 0.2),
        0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    color: var(--neon-yellow);
    text-shadow: 
        0 0 20px var(--glow-yellow),
        0 0 40px var(--glow-yellow),
        0 0 60px var(--glow-orange);
    animation: neonPulse 2s ease-in-out infinite;
}

@keyframes neonPulse {
    0%, 100% { 
        text-shadow: 
            0 0 20px var(--glow-yellow),
            0 0 40px var(--glow-yellow),
            0 0 60px var(--glow-orange);
    }
    50% { 
        text-shadow: 
            0 0 30px var(--glow-yellow),
            0 0 60px var(--glow-yellow),
            0 0 90px var(--glow-orange);
    }
}

.hero-subtitle {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 56px;
    font-weight: 900;
    color: var(--neon-amber);
    line-height: 1;
    text-shadow: 
        0 0 20px var(--glow-yellow),
        0 0 40px var(--glow-orange);
    animation: statPulse 3s ease-in-out infinite;
}

@keyframes statPulse {
    0%, 100% { 
        transform: scale(1);
        text-shadow: 
            0 0 20px var(--glow-yellow),
            0 0 40px var(--glow-orange);
    }
    50% { 
        transform: scale(1.05);
        text-shadow: 
            0 0 30px var(--glow-yellow),
            0 0 60px var(--glow-orange),
            0 0 80px var(--glow-yellow);
    }
}

.stat-number span {
    font-size: 36px;
}

.stat-label {
    font-size: 14px;
    margin-top: 8px;
    opacity: 0.9;
    font-weight: 500;
}

.hero-cta {
    margin-top: 48px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 36px;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.cta-button.primary {
    background: var(--bg-white);
    color: var(--primary-color);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 0 30px rgba(251, 191, 36, 0.5),
        0 0 60px rgba(251, 146, 60, 0.3);
}

.cta-button.demo {
    background: rgba(255, 255, 255, 0.2);
    color: var(--bg-white);
    border: 2px solid var(--bg-white);
}

.cta-button.demo:hover {
    background: var(--bg-white);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.cta-button.large {
    padding: 22px 48px;
    font-size: 20px;
}

.cta-button i {
    margin-right: 10px;
    font-size: 20px;
}

.cta-note {
    margin-top: 16px;
    font-size: 13px;
    opacity: 0.85;
    line-height: 1.6;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

/* ========================================
   共通セクションスタイル
   ======================================== */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 40px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 48px;
}

.cta-center {
    text-align: center;
    margin-top: 48px;
}

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

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.problem-card {
    background: var(--bg-white);
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 0 30px rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.3);
}

.problem-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.problem-icon i {
    font-size: 28px;
    color: var(--bg-white);
}

.problem-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.problem-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========================================
   機能セクション
   ======================================== */
.features {
    background: var(--bg-white);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 56px;
}

.feature-card {
    background: linear-gradient(135deg, #1e3a8a 0%, #312e81 100%);
    color: var(--bg-white);
    padding: 48px 36px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(251, 191, 36, 0.2);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.2),
        0 0 40px rgba(251, 191, 36, 0.4),
        0 0 80px rgba(251, 146, 60, 0.3);
    border-color: rgba(251, 191, 36, 0.5);
}

.feature-number {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 48px;
    font-weight: 900;
    opacity: 0.2;
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

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

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}

.feature-card p {
    line-height: 1.8;
    opacity: 0.95;
}

/* ========================================
   デモCTAセクション
   ======================================== */
.demo-cta {
    margin-top: 56px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.demo-cta-card {
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    color: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.demo-cta-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.demo-cta-icon i {
    font-size: 40px;
}

.demo-cta-content {
    flex: 1;
    min-width: 250px;
}

.demo-cta-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.demo-cta-content p {
    font-size: 16px;
    opacity: 0.95;
    line-height: 1.6;
}

.demo-cta-card .cta-button.demo {
    background: var(--bg-white);
    color: #f59e0b;
    border: none;
    flex-shrink: 0;
}

.demo-cta-card .cta-button.demo:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
}

/* ========================================
   安心設計セクション
   ======================================== */
.safety {
    background: var(--bg-light);
}

.safety-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.safety-card {
    background: var(--bg-white);
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border-left: 5px solid var(--success-color);
    transition: all 0.3s ease;
}

.safety-card:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 0 30px rgba(16, 185, 129, 0.3);
    border-left-color: var(--success-color);
}

.safety-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.safety-icon i {
    font-size: 28px;
    color: var(--bg-white);
}

.safety-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.safety-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ========================================
   導入効果セクション
   ======================================== */
.results {
    background: var(--bg-white);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 48px;
}

.result-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--bg-light);
    border-radius: 16px;
    transition: all 0.3s ease;
}

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

.result-number {
    font-size: 72px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.result-number span {
    font-size: 48px;
}

.result-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.result-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

.results-note {
    text-align: center;
    max-width: 800px;
    margin: 48px auto 0;
    padding: 24px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 12px;
    border-left: 5px solid var(--accent-color);
}

.results-note p {
    color: var(--text-dark);
    font-weight: 500;
    line-height: 1.8;
}

/* ========================================
   導入フローセクション
   ======================================== */
.flow {
    background: var(--bg-light);
}

.flow-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    gap: 16px;
    margin-top: 56px;
    align-items: center;
}

.flow-step {
    background: var(--bg-white);
    padding: 32px 24px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

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

.flow-number {
    display: inline-block;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-white);
    border-radius: 50%;
    font-size: 20px;
    font-weight: 700;
    line-height: 48px;
    margin-bottom: 16px;
}

.flow-icon {
    width: 56px;
    height: 56px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.flow-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.flow-step h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.flow-step p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

.flow-arrow {
    color: var(--primary-color);
    font-size: 24px;
}

/* ========================================
   料金セクション
   ======================================== */
.pricing {
    background: var(--bg-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 48px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

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

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.pricing-detail {
    padding: 24px 0;
}

.pricing-label {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.pricing-amount {
    margin-bottom: 8px;
}

.price-symbol {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-gray);
    margin-right: 4px;
}

.price-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary-color);
}

.pricing-unit {
    font-size: 14px;
    color: var(--text-gray);
}

.pricing-note {
    font-size: 13px;
    color: var(--text-gray);
    margin-top: 16px;
}

/* 月額費用セクション */
.pricing-monthly {
    max-width: 900px;
    margin: 40px auto 0;
}

.pricing-monthly-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-white);
    padding: 32px 40px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-lg);
    flex-wrap: wrap;
    gap: 20px;
}

.pricing-monthly-label {
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-monthly-label i {
    font-size: 24px;
}

.pricing-monthly-amount {
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.pricing-monthly-amount .price-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--bg-white);
}

.pricing-monthly-unit {
    font-size: 16px;
    opacity: 0.9;
}

.pricing-monthly-note {
    flex-basis: 100%;
    text-align: center;
    margin-top: 12px;
    font-size: 14px;
    opacity: 0.9;
}

/* 料金例セクション */
.pricing-example {
    max-width: 900px;
    margin: 40px auto 0;
    padding: 32px;
    background: var(--bg-light);
    border-radius: 16px;
}

.pricing-example h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-dark);
    text-align: center;
}

.pricing-example h4 i {
    color: var(--primary-color);
    margin-right: 8px;
}

.pricing-example-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.example-item {
    background: var(--bg-white);
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.example-label {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.example-calc {
    font-size: 15px;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.6;
}

/* ========================================
   FAQセクション
   ======================================== */
.faq {
    background: var(--bg-light);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    margin-top: 48px;
}

.faq-item {
    background: var(--bg-white);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.faq-question {
    padding: 24px 28px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
}

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

.faq-question i.fa-question-circle {
    color: var(--primary-color);
    font-size: 24px;
    flex-shrink: 0;
}

.faq-question h3 {
    flex: 1;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

.faq-toggle {
    flex-shrink: 0;
    color: var(--text-gray);
    transition: transform 0.3s ease;
}

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

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 28px 24px 68px;
}

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

/* ========================================
   最終CTAセクション
   ======================================== */
.final-cta {
    background: linear-gradient(135deg, #1e3a8a 0%, #312e81 100%);
    color: var(--bg-white);
    text-align: center;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(251, 191, 36, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(251, 191, 36, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
}

.final-cta-title {
    font-size: 40px;
    font-weight: 900;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    text-shadow: 
        0 0 20px rgba(251, 191, 36, 0.3),
        0 0 40px rgba(251, 146, 60, 0.2);
}

.final-cta-subtitle {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.final-cta .cta-button {
    position: relative;
    z-index: 1;
}

/* ========================================
   フッター
   ======================================== */
.footer {
    background: var(--text-dark);
    color: var(--bg-white);
    text-align: center;
    padding: 32px 0;
}

.footer p {
    font-size: 14px;
    opacity: 0.8;
}

/* ========================================
   レスポンシブ対応
   ======================================== */
@media (max-width: 1024px) {
    .flow-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        margin: 8px auto;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 60px 0 40px;
    }
    
    .hero-title {
        font-size: 28px;
        line-height: 1.5;
    }
    
    .hero-subtitle {
        font-size: 15px;
        line-height: 1.8;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .stat-number {
        font-size: 40px;
    }
    
    .stat-number span {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
        line-height: 1.5;
    }
    
    .section-subtitle {
        font-size: 14px;
    }
    
    .cta-button {
        padding: 15px 24px;
        font-size: 15px;
    }
    
    .cta-button.large {
        padding: 17px 28px;
        font-size: 17px;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 16px;
    }
    
    .cta-buttons .cta-button {
        width: 100%;
        max-width: 100%;
    }
    
    .demo-cta-card {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
        gap: 24px;
    }
    
    .demo-cta-content {
        min-width: 100%;
    }
    
    .demo-cta-content h3 {
        font-size: 20px;
    }
    
    .demo-cta-content p {
        font-size: 15px;
    }
    
    .demo-cta-card .cta-button.demo {
        width: 100%;
    }
    
    .cta-note {
        font-size: 12px;
        line-height: 1.8;
    }
    
    section {
        padding: 60px 0;
    }
    
    .problem-grid,
    .feature-grid,
    .safety-grid,
    .results-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .problem-card h3,
    .safety-card h3 {
        font-size: 17px;
        line-height: 1.5;
    }
    
    .feature-card h3 {
        font-size: 19px;
        line-height: 1.5;
    }
    
    .result-card h3 {
        font-size: 17px;
    }
    
    .result-number {
        font-size: 56px;
    }
    
    .result-number span {
        font-size: 36px;
    }
    
    .final-cta-title {
        font-size: 24px;
        line-height: 1.5;
    }
    
    .final-cta-subtitle {
        font-size: 15px;
        line-height: 1.7;
    }
    
    .faq-question h3 {
        font-size: 15px;
        line-height: 1.6;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 20px 20px 60px;
    }
    
    .pricing-monthly-card {
        flex-direction: column;
        text-align: center;
        padding: 24px 20px;
    }
    
    .pricing-monthly-amount {
        flex-direction: column;
        gap: 4px;
    }
    
    .pricing-monthly-amount .price-number {
        font-size: 40px;
    }
    
    .pricing-example {
        padding: 24px 16px;
    }
    
    .pricing-example-grid {
        grid-template-columns: 1fr;
    }
    
    .sp-only {
        display: inline;
    }
}

@media (min-width: 769px) {
    .sp-only {
        display: none;
    }
    
    .sp-br {
        display: none;
    }
}

@media (max-width: 768px) {
    .pc-br {
        display: none;
    }
}

/* ========================================
   アニメーション
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.problem-card,
.feature-card,
.safety-card,
.result-card,
.flow-step,
.pricing-card,
.faq-item {
    animation: fadeInUp 0.6s ease-out;
}