/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* カスタムプロパティ */
:root {
    --primary-color: #06c755;
    --primary-dark: #059e43;
    --primary-light: #8fe5b0;
    --accent-color: #ff8800;
    --accent-light: #ffaa33;
    
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    
    --bg-primary: #fefefe;
    --bg-secondary: #f9f9f9;
    --bg-warm: #fff8f5;
    --bg-soft: #f5f9ff;
    
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-strong: 0 12px 40px rgba(0, 0, 0, 0.15);
    
    --border-radius: 12px;
    --border-radius-large: 20px;
    --transition: all 0.3s ease;
}

/* ベーススタイル */
body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Yu Gothic', YuGothic, Verdana, Meiryo, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
}

/* ヘッダー */
header {
    background: white;
    box-shadow: var(--shadow-soft);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-logo {
    padding: 20px 0;
    text-align: center;
}

.header-image {
    max-width: 300px;
    height: auto;
}

/* セクション共通 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    position: relative;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ボタンスタイル */
.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-strong);
}

.btn-primary.large {
    padding: 22px 50px;
    font-size: 1.2rem;
}

.btn-secondary {
    display: inline-block;
    background: white;
    color: var(--primary-color);
    padding: 15px 35px;
    border: 2px solid var(--primary-color);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* パルスアニメーション */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(6, 199, 85, 0.7); }
    70% { box-shadow: 0 0 0 20px rgba(6, 199, 85, 0); }
    100% { box-shadow: 0 0 0 0 rgba(6, 199, 85, 0); }
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, var(--bg-soft) 0%, var(--bg-warm) 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(6, 199, 85, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-highlight {
    color: var(--primary-color);
    position: relative;
}

.hero-highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, var(--primary-light), transparent);
    opacity: 0.6;
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-cta {
    margin-bottom: 20px;
}

.hero-note {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-top: 16px;
}

.hero-image {
    flex: 0 0 400px;
    text-align: center;
}

.hero-cat {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(var(--shadow-medium));
    border-radius: var(--border-radius-large);
}

/* 共感セクション */
.empathy-section {
    background: var(--bg-secondary);
    position: relative;
}

.empathy-title {
    font-size: 2.2rem;
    color: var(--text-primary);
    margin-bottom: 50px;
    text-align: center;
}

.empathy-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.empathy-card {
    background: white;
    padding: 30px 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: var(--transition);
    border-left: 4px solid transparent;
}

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

.empathy-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    opacity: 0.8;
}

.empathy-card h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: 600;
}

.empathy-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.empathy-message {
    text-align: center;
    background: white;
    padding: 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-soft);
    max-width: 700px;
    margin: 0 auto;
}

.empathy-text {
    font-size: 1.3rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.highlight {
    color: var(--primary-color);
    font-weight: 700;
    background: linear-gradient(transparent 70%, rgba(6, 199, 85, 0.2) 70%);
    padding: 0 4px;
}

/* 3つの約束セクション */
.promises-section {
    background: var(--bg-warm);
    position: relative;
}

.promises-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.promise-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.promise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.promise-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

.promise-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 25px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.promise-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.promise-card h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 700;
}

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

/* 他サービスとの違いセクション */
.difference-section {
    background: linear-gradient(135deg, var(--bg-soft) 0%, white 100%);
}

.comparison-grid {
    max-width: 900px;
    margin: 0 auto;
}

.comparison-card {
    background: white;
    border-radius: var(--border-radius-large);
    padding: 40px;
    box-shadow: var(--shadow-soft);
    margin-bottom: 50px;
}

.vs-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.service-name {
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
}

.service-name.chatgpt {
    background: #f0f0f0;
    color: #333;
}

.service-name.nyantal {
    background: var(--primary-color);
    color: white;
}

.vs-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.comparison-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.comparison-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    flex-wrap: wrap;
    justify-content: center;
}

.chatgpt-feature {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 10px;
    background: #f8f8f8;
    border-radius: 8px;
    color: var(--text-secondary);
}

.nyantal-feature {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 10px;
    background: var(--primary-light);
    border-radius: 8px;
    color: var(--primary-dark);
    font-weight: 600;
}

.arrow {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: bold;
}

.experience-comparison {
    background: white;
    border-radius: var(--border-radius-large);
    padding: 40px;
    box-shadow: var(--shadow-soft);
    margin-bottom: 40px;
}

.experience-comparison h3 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.chat-example {
    max-width: 700px;
    margin: 0 auto;
}

.user-message {
    background: var(--bg-soft);
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: 30px;
    font-style: italic;
    border-left: 4px solid var(--primary-color);
}

.ai-responses {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.response {
    padding: 20px;
    border-radius: var(--border-radius);
    position: relative;
}

.chatgpt-response {
    background: #f8f8f8;
    border-left: 4px solid #ccc;
}

.nyantal-response {
    background: var(--bg-warm);
    border-left: 4px solid var(--primary-color);
}

.ai-label {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
    opacity: 0.8;
}

.difference-explanation {
    text-align: center;
    margin-top: 30px;
    padding: 25px;
    background: var(--bg-soft);
    border-radius: var(--border-radius);
}

.unique-features {
    margin-top: 60px;
}

.unique-features h3 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.8rem;
    color: var(--text-primary);
}

.unique-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.unique-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

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

.unique-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

.unique-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

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

.difference-cta {
    text-align: center;
    margin-top: 50px;
}

.difference-cta p {
    margin-top: 15px;
    color: var(--text-secondary);
    font-style: italic;
}

/* 体験動画セクション */
.experience-videos {
    background: var(--bg-secondary);
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.video-card {
    background: white;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

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

.video-header {
    padding: 25px;
    background: linear-gradient(135deg, var(--bg-warm), var(--bg-soft));
    text-align: center;
}

.video-header h3 {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.video-footer {
    padding: 20px;
    text-align: center;
    background: white;
}

.video-footer p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.experience-cta {
    text-align: center;
    background: white;
    padding: 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-soft);
    max-width: 700px;
    margin: 0 auto;
}

.experience-message {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 25px;
    line-height: 1.6;
}

/* 友だち追加セクション */
.add-friend-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    position: relative;
    overflow: hidden;
}

.add-friend-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.add-friend-section .section-header h2,
.add-friend-section .section-header p {
    color: white;
}

.add-friend-content {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.add-friend-text {
    flex: 1;
}

.add-friend-text h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    line-height: 1.4;
}

.friend-benefits {
    margin-bottom: 40px;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

.benefit-icon {
    font-size: 2rem;
    opacity: 0.9;
    flex-shrink: 0;
}

.benefit-text h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.benefit-text p {
    opacity: 0.9;
    line-height: 1.6;
}

.free-trial {
    background: rgba(255, 255, 255, 0.15);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    text-align: center;
}

.trial-text .highlight {
    color: #ffee88;
    font-weight: 700;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.trial-text small {
    display: block;
    margin-top: 8px;
    opacity: 0.8;
    font-weight: 400;
}

.add-friend-section .btn-primary {
    background: white;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.add-friend-section .btn-primary:hover {
    background: var(--bg-secondary);
}

.safety-note {
    font-size: 0.9rem;
    opacity: 0.8;
    text-align: center;
}

.qr-section {
    flex: 0 0 250px;
    text-align: center;
}

.qr-wrapper {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    display: inline-block;
    margin-bottom: 15px;
}

.qr-code {
    max-width: 200px;
    height: auto;
}

.qr-text {
    opacity: 0.8;
    font-size: 0.95rem;
}

/* 料金プランセクション */
.pricing-section {
    background: var(--bg-secondary);
}

/* メインプラン（大きく表示） */
.main-plans {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

/* サブプラン（小さく表示） */
.sub-plans {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.plan-card {
    background: white;
    border-radius: var(--border-radius-large);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

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

/* コンパクトサイズ */
.plan-card.compact {
    padding: 25px 20px;
    font-size: 0.9rem;
}

.plan-card.compact .plan-price {
    font-size: 2rem;
}

.plan-card.compact .plan-header h3 {
    font-size: 1.3rem;
}

/* フィーチャード（スタンダード） */
.plan-card.featured {
    border: 3px solid var(--accent-color);
    transform: scale(1.02);
}

.plan-card.featured:hover {
    transform: scale(1.02) translateY(-5px);
}

/* プレミアム */
.plan-card.premium {
    border: 3px solid var(--accent-color);
    background: linear-gradient(135deg, white 0%, rgba(255, 136, 0, 0.03) 100%);
}

.plan-card.premium .plan-price {
    color: var(--accent-color);
}

.popular-badge, .premium-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--accent-color);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    box-shadow: var(--shadow-soft);
}

.plan-header {
    margin-bottom: 30px;
}

.plan-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.campaign-price {
    color: var(--accent-color);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.plan-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.plan-features {
    flex-grow: 1;
    margin-bottom: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    text-align: left;
}

.feature-icon {
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.1rem;
}

.feature.highlight {
    background: rgba(255, 136, 0, 0.1);
    padding: 12px;
    border-radius: var(--border-radius);
    margin: -12px;
    margin-bottom: 15px;
}

.premium-feature {
    background: rgba(255, 136, 0, 0.1);
    padding: 12px;
    border-radius: var(--border-radius);
    margin: -12px;
    margin-bottom: 15px;
}

.premium-feature .feature-icon {
    color: var(--accent-color);
}

.special-feature {
    background: rgba(6, 199, 85, 0.1);
    padding: 12px;
    border-radius: var(--border-radius);
    margin: -12px;
    margin-bottom: 15px;
}

.special-feature .feature-icon {
    color: var(--primary-color);
}

.plan-note {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-top: 20px;
}

.plan-note p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
    margin: 0;
}

/* 分析機能セクション */
.analysis-features {
    max-width: 900px;
    margin: 0 auto 40px;
    text-align: center;
    background: white;
    padding: 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-soft);
}

.analysis-features h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.analysis-features > p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.analysis-item {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.analysis-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft);
}

.analysis-icon {
    font-size: 2rem;
    margin-bottom: 10px;
    display: block;
}

.analysis-item h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.analysis-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.pricing-note {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.pricing-note p {
    margin-bottom: 20px;
    color: var(--text-secondary);
}


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

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

.faq-item {
   background: white;
   border-radius: var(--border-radius);
   margin-bottom: 20px;
   box-shadow: var(--shadow-soft);
   overflow: hidden;
   transition: var(--transition);
}

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

.faq-item.active {
   box-shadow: 0 8px 25px rgba(6, 199, 85, 0.15);
}

.faq-question {
   padding: 25px 30px;
   cursor: pointer;
   display: flex;
   justify-content: space-between;
   align-items: center;
   transition: var(--transition);
}

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

.faq-question h3 {
   font-size: 1.1rem;
   color: var(--text-primary);
   margin: 0;
   flex-grow: 1;
   padding-right: 20px;
}

.faq-toggle {
   width: 30px;
   height: 30px;
   background: var(--primary-light);
   color: var(--primary-dark);
   display: flex;
   align-items: center;
   justify-content: center;
   font-size: 1.2rem;
   font-weight: bold;
   border-radius: 50%;
   flex-shrink: 0;
}

.faq-answer {
   padding: 0 30px 25px 30px;
   color: var(--text-secondary);
   line-height: 1.7;
}

.faq-answer p {
   margin-bottom: 15px;
}

.faq-answer p:last-child {
   margin-bottom: 0;
}

/* 最後の背中押しセクション */
.final-cta {
   background: linear-gradient(135deg, var(--text-primary), #555);
   color: white;
   text-align: center;
   position: relative;
   overflow: hidden;
}

.final-cta::before {
   content: '';
   position: absolute;
   top: -50%;
   right: -50%;
   width: 200%;
   height: 200%;
   background: radial-gradient(circle, rgba(6, 199, 85, 0.1) 0%, transparent 70%);
   pointer-events: none;
}

.final-content {
   max-width: 700px;
   margin: 0 auto;
   position: relative;
   z-index: 2;
}

.final-content h2 {
   font-size: 2.3rem;
   margin-bottom: 30px;
   font-weight: 700;
}

.final-message {
   font-size: 1.2rem;
   line-height: 1.8;
   margin-bottom: 40px;
   opacity: 0.95;
}

.final-cta-buttons {
   margin-top: 40px;
}

.final-note {
   margin-top: 20px;
   opacity: 0.8;
   font-size: 0.95rem;
}

/* フッター */
footer {
   background: var(--text-primary);
   color: white;
   padding: 50px 0 30px;
   text-align: center;
}

.footer-links {
   margin-bottom: 25px;
}

.footer-links a {
   color: white;
   text-decoration: none;
   margin: 0 20px;
   font-size: 0.9rem;
   transition: var(--transition);
}

.footer-links a:hover {
   color: var(--primary-light);
}

.copyright {
   font-size: 0.85rem;
   opacity: 0.7;
   margin-bottom: 10px;
}

.footer-message {
   font-size: 0.9rem;
   opacity: 0.8;
   font-style: italic;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
   .container {
       padding: 0 15px;
   }
   
   section {
       padding: 60px 0;
   }
   
   .section-header h2 {
       font-size: 2rem;
   }
   
   .section-header p {
       font-size: 1rem;
   }
   
   /* ヒーロー */
   .hero .container {
       flex-direction: column;
       text-align: center;
       gap: 40px;
   }
   
   .hero h1 {
       font-size: 2.2rem;
   }
   
   .hero-subtitle {
       font-size: 1.1rem;
   }
   
   .hero-image {
       flex: none;
       max-width: 300px;
   }
   
   /* 共感セクション */
   .empathy-cards {
       grid-template-columns: 1fr;
       gap: 20px;
   }
   
   .empathy-card {
       padding: 25px 20px;
   }
   
   .empathy-message {
       padding: 30px 20px;
   }
   
   .empathy-text {
       font-size: 1.1rem;
   }
   
   /* 約束セクション */
   .promises-grid {
       grid-template-columns: 1fr;
       gap: 30px;
   }
   
   .promise-card {
       padding: 30px 25px;
   }
   
   .promise-icon {
       width: 100px;
       height: 100px;
   }
   
   /* 違いセクション */
   .vs-header {
       flex-direction: column;
       gap: 15px;
   }
   
   .comparison-item {
       flex-direction: column;
       gap: 15px;
       text-align: center;
   }
   
   .chatgpt-feature,
   .nyantal-feature {
       min-width: auto;
       width: 100%;
   }
   
   .arrow {
       transform: rotate(90deg);
   }
   
   .unique-grid {
       grid-template-columns: 1fr;
       gap: 20px;
   }
   
   .unique-item {
       padding: 25px 20px;
   }
   
   .experience-comparison {
       padding: 30px 20px;
   }
   
   /* 動画セクション */
   .videos-grid {
       grid-template-columns: 1fr;
       gap: 30px;
   }
   
   .video-header {
       padding: 20px;
   }
   
   .video-header h3 {
       font-size: 1.1rem;
   }
   
   .experience-cta {
       padding: 30px 20px;
   }
   
   .experience-message {
       font-size: 1rem;
   }
   
   /* 友だち追加セクション */
   .add-friend-content {
       flex-direction: column;
       gap: 40px;
       text-align: center;
   }
   
   .add-friend-text h3 {
       font-size: 1.5rem;
   }
   
   .benefit-item {
       text-align: left;
       gap: 15px;
   }
   
   .benefit-icon {
       font-size: 1.5rem;
   }
   
   .qr-section {
       flex: none;
   }
   
   .qr-wrapper {
       padding: 15px;
   }
   
   .qr-code {
       max-width: 150px;
   }
   
 /* 料金プラン */
.main-plans {
    grid-template-columns: 1fr;
    gap: 25px;
}

.sub-plans {
    grid-template-columns: 1fr;
    gap: 20px;
}

.plan-card {
    padding: 30px 25px;
}

.plan-card.featured {
    transform: none;
    order: -1;
}

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

.plan-price {
    font-size: 2rem;
}
  
   .popular-badge {
       position: static;
       display: inline-block;
       margin-bottom: 15px;
   }
   
   .premium-benefits {
       padding: 25px 20px;
   }
   
   .premium-benefits h4 {
       font-size: 1.2rem;
   }
   
   .premium-benefits li {
       font-size: 0.9rem;
       padding: 10px 0;
   }
   
   .analysis-features {
       padding: 30px 20px;
   }
   
   .analysis-grid {
       grid-template-columns: 1fr;
       gap: 15px;
   }
   
   /* FAQ */
   .faq-question {
       padding: 20px;
   }
   
   .faq-question h3 {
       font-size: 1rem;
       padding-right: 15px;
   }
   
   .faq-answer {
       padding: 0 20px 20px 20px;
       font-size: 0.9rem;
   }
   
   /* 最後のCTA */
   .final-content h2 {
       font-size: 1.8rem;
   }
   
   .final-message {
       font-size: 1rem;
   }
   
   /* フッター */
   .footer-links a {
       display: block;
       margin: 10px 0;
   }
}

@media (max-width: 480px) {
   .container {
       padding: 0 10px;
   }
   
   section {
       padding: 50px 0;
   }
   
   /* ヒーロー */
   .hero {
       padding: 80px 0;
   }
   
   .hero h1 {
       font-size: 1.8rem;
       line-height: 1.4;
   }
   
   .hero-subtitle {
       font-size: 1rem;
   }
   
   .btn-primary {
       padding: 15px 30px;
       font-size: 1rem;
       width: 100%;
   }
   
   .btn-primary.large {
       padding: 18px 35px;
       font-size: 1.1rem;
   }
   
   /* セクションヘッダー */
   .section-header h2 {
       font-size: 1.7rem;
   }
   
   .section-header {
       margin-bottom: 40px;
   }
   
   /* 共感セクション */
   .empathy-title {
       font-size: 1.8rem;
   }
   
   .empathy-card {
       padding: 20px 15px;
   }
   
   .empathy-card h3 {
       font-size: 1.1rem;
   }
   
   .empathy-message {
       padding: 25px 15px;
   }
   
   .empathy-text {
       font-size: 1rem;
   }
   
   /* 約束セクション */
   .promise-card {
       padding: 25px 20px;
   }
   
   .promise-icon {
       width: 80px;
       height: 80px;
   }
   
   .promise-card h3 {
       font-size: 1.2rem;
   }
   
   /* 違いセクション */
   .comparison-card {
       padding: 25px 20px;
   }
   
   .service-name {
       padding: 10px 20px;
       font-size: 1rem;
   }
   
   .vs-text {
       font-size: 1.2rem;
   }
   
   .experience-comparison {
       padding: 25px 15px;
   }
   
   .experience-comparison h3 {
       font-size: 1.3rem;
   }
   
   .user-message {
       padding: 15px;
       font-size: 0.95rem;
   }
   
   .response {
       padding: 15px;
   }
   
   .unique-item {
       padding: 20px 15px;
   }
   
   .unique-icon {
       font-size: 2.5rem;
   }
   
   /* 動画セクション */
   .video-header {
       padding: 15px;
   }
   
   .video-footer {
       padding: 15px;
   }
   
   .experience-cta {
       padding: 25px 15px;
   }
   
   /* 友だち追加セクション */
   .add-friend-text h3 {
       font-size: 1.3rem;
       line-height: 1.5;
   }
   
   .benefit-text h4 {
       font-size: 1.1rem;
   }
   
   .benefit-text p {
       font-size: 0.9rem;
   }
   
   .free-trial {
       padding: 15px;
   }
   
   .trial-text {
       font-size: 1rem;
   }
   
   /* 料金プラン */
   .plan-card {
       padding: 25px 20px;
   }
   
   .plan-header h3 {
       font-size: 1.3rem;
   }
   
   .plan-price {
       font-size: 1.8rem;
   }
   
   .plan-subtitle {
       font-size: 0.9rem;
   }
   
   .feature {
       font-size: 0.9rem;
   }
   
   .plan-note {
       padding: 12px;
   }
   
   .plan-note p {
       font-size: 0.85rem;
   }
   
   .premium-benefits {
       padding: 20px 15px;
   }
   
   .premium-benefits h4 {
       font-size: 1.1rem;
   }
   
   .premium-benefits li {
       font-size: 0.85rem;
       padding: 8px 0;
   }
   
   .analysis-features {
       padding: 25px 15px;
   }
   
   .analysis-item {
       padding: 15px;
   }
   
   .analysis-icon {
       font-size: 1.8rem;
   }
   
   .analysis-item h4 {
       font-size: 1rem;
   }
   
   .analysis-item p {
       font-size: 0.85rem;
   }
   
   /* FAQ */
   .faq-question {
       padding: 15px;
   }
   
   .faq-question h3 {
       font-size: 0.95rem;
   }
   
   .faq-toggle {
       width: 25px;
       height: 25px;
       font-size: 1rem;
   }
   
   .faq-answer {
       padding: 0 15px 15px 15px;
       font-size: 0.85rem;
   }
   
   /* 最後のCTA */
   .final-content h2 {
       font-size: 1.6rem;
   }
   
   .final-message {
       font-size: 0.95rem;
       line-height: 1.7;
   }
   
   /* フッター */
   footer {
       padding: 40px 0 25px;
   }
   
   .footer-links a {
       font-size: 0.85rem;
       margin: 8px 0;
   }
   
   .copyright {
       font-size: 0.8rem;
   }
   
   .footer-message {
       font-size: 0.85rem;
   }
}

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

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

/* スクロール時のアニメーション */
.fade-in {
   animation: fadeInUp 0.6s ease-out;
}

.slide-in {
   animation: slideInRight 0.6s ease-out;
}

/* フォーカス状態の改善 */
.btn-primary:focus,
.btn-secondary:focus {
   outline: 2px solid var(--primary-light);
   outline-offset: 2px;
}

.faq-question:focus {
   outline: 2px solid var(--primary-light);
   outline-offset: -2px;
}

/* プリント用スタイル */
@media print {
   .btn-primary,
   .btn-secondary,
   .pulse,
   .video-container {
       display: none;
   }
   
   body {
       background: white;
       color: black;
   }
   
   section {
       page-break-inside: avoid;
   }
}

/* ダークモード対応の準備 */
@media (prefers-color-scheme: dark) {
   /* ダークモード用のスタイルがあればここに追加 */
}

/* 高コントラストモード対応 */
@media (prefers-contrast: high) {
   :root {
       --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.3);
       --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.4);
       --shadow-strong: 0 6px 24px rgba(0, 0, 0, 0.5);
   }
   
   .btn-primary,
   .btn-secondary {
       border: 2px solid;
   }
}

/* モーション設定を尊重 */
@media (prefers-reduced-motion: reduce) {
   *,
   *::before,
   *::after {
       animation-duration: 0.01ms !important;
       animation-iteration-count: 1 !important;
       transition-duration: 0.01ms !important;
   }
   
   .pulse {
       animation: none;
   }
}