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

/* 基本スタイル */
body {
    font-family: 'Hiragino Sans', 'ヒラギノ角ゴシック', sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #F7F9FC;
}

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

/* ヘッダー */
.header {
    background-color: #FFFFFF;
    padding: 20px 0;
    border-bottom: 1px solid #E5E7EB;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.header-logo {
    text-align: center;
}

.logo-title {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 24px;
    color: #69bf9b;
    margin-bottom: 4px;
}

.logo-subtitle {
    font-size: 14px;
    color: #6B7280;
    font-weight: 500;
}

/* ヒーローセクション */
.hero {
    background: linear-gradient(135deg, #69bf9b 0%, #a3d65c 100%);
    position: relative;
    padding: 80px 0;
    color: white;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 48px;
    line-height: 1.3;
    margin-bottom: 24px;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    margin-top: 40px;
}

.hero-note {
    font-size: 14px;
    margin-top: 12px;
    opacity: 0.8;
}

/* CTAボタン */
.cta-button {
    display: inline-block;
    background-color: #f6b83c;
    color: #1F2937;
    font-weight: 700;
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    font-size: 16px;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15);
    background-color: #f2d66e;
}

.cta-button:active {
    transform: translateY(0);
}

.cta-button.large {
    width: 260px;
    height: 60px;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

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

section:nth-child(even) {
    background-color: #FFFFFF;
}

section:nth-child(odd) {
    background-color: #F7F9FC;
}

.section-title {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 36px;
    text-align: center;
    margin-bottom: 48px;
    color: #1F2937;
}

/* ストーリーセクション */
.story {
    background-color: #FFFFFF;
}

.story-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.story-text {
    font-size: 18px;
    color: #4B5563;
    line-height: 1.8;
}

.story-text strong {
    color: #69bf9b;
    font-weight: 700;
}

/* ベネフィットセクション */
.benefits {
    background-color: #F7F9FC;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.benefit-item {
    background-color: #FFFFFF;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.benefit-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.benefit-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
    line-height: 1;
}

.benefit-item h3 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: #69bf9b;
    margin-bottom: 16px;
}

.benefit-item p {
    color: #6B7280;
    font-size: 16px;
}

/* カリキュラムタイムライン */
.curriculum {
    background-color: #FFFFFF;
}

.curriculum-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.curriculum-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 32px;
    padding: 24px;
    background-color: #F9FAFB;
    border-radius: 16px;
    border-left: 4px solid #a3d65c;
    transition: transform 0.3s ease;
}

.curriculum-item:hover {
    transform: translateX(8px);
}

.curriculum-day {
    background-color: #69bf9b;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 14px;
    margin-right: 24px;
    flex-shrink: 0;
    min-width: 60px;
    text-align: center;
}

.curriculum-content h4 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: #1F2937;
    margin-bottom: 8px;
}

.curriculum-content p {
    color: #6B7280;
    font-size: 16px;
}

/* ソーシャルプルーフ */
.social-proof {
    background-color: #F7F9FC;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-item {
    background-color: #FFFFFF;
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    position: relative;
}

.testimonial-item::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 24px;
    font-size: 60px;
    color: #7B6CF6;
    font-family: serif;
    line-height: 1;
}

.testimonial-text {
    font-size: 16px;
    color: #4B5563;
    margin-bottom: 16px;
    padding-top: 20px;
}

.testimonial-author {
    font-weight: 700;
    color: #7B6CF6;
    font-size: 14px;
}

/* ボーナスセクション */
.bonus {
    background-color: #FFFFFF;
}

.bonus-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    background: linear-gradient(135deg, #f9b4b4 0%, #f6b83c 100%);
    padding: 48px;
    border-radius: 20px;
    border: 2px solid #f2d66e;
}

.bonus-header {
    margin-bottom: 24px;
}

.bonus-header h3 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 24px;
    color: #7C2D12;
    margin-bottom: 16px;
}

.bonus-price {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.free-price {
    font-size: 20px;
    font-weight: 700;
    color: #DC2626;
    background-color: #FEE2E2;
    padding: 12px 24px;
    border-radius: 8px;
    border: 2px solid #F87171;
}

.bonus-description {
    font-size: 16px;
    color: #7C2D12;
    margin-bottom: 32px;
}

.bonus-cta {
    margin-top: 24px;
}

/* FAQ */
.faq {
    background-color: #F7F9FC;
}

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

.faq-item {
    margin-bottom: 16px;
    background-color: #FFFFFF;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: #1F2937;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #F9FAFB;
}

.faq-question[aria-expanded="true"] {
    background-color: #F3F4F6;
}

.faq-icon {
    font-size: 24px;
    color: #69bf9b;
    transition: transform 0.3s ease;
    font-weight: 400;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

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

.faq-answer.active {
    max-height: 200px;
    padding: 0 24px 24px 24px;
}

.faq-answer p {
    color: #6B7280;
    font-size: 16px;
}

/* プロフィール */
.profile {
    background-color: #FFFFFF;
}

.profile-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    background-color: #F9FAFB;
    padding: 48px;
    border-radius: 20px;
}

.profile-text h3 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 24px;
    color: #69bf9b;
    margin-bottom: 24px;
}

.profile-text p {
    color: #4B5563;
    font-size: 16px;
    margin-bottom: 16px;
}

/* 最終CTA */
.final-cta {
    background: linear-gradient(135deg, #69bf9b 0%, #a3d65c 100%);
    color: white;
    text-align: center;
    position: relative;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

.final-cta-content {
    position: relative;
    z-index: 2;
}

.final-cta .section-title {
    color: white;
}

.final-cta-text {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.final-cta-note {
    font-size: 14px;
    margin-top: 16px;
    opacity: 0.8;
}

/* フッター */
.footer {
    background-color: #1F2937;
    color: #D1D5DB;
    padding: 48px 0;
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-copyright {
    font-size: 14px;
    margin-bottom: 24px;
}

.footer-disclaimer {
    border-top: 1px solid #374151;
    padding-top: 24px;
}

.footer-disclaimer p {
    font-size: 12px;
    color: #9CA3AF;
    margin-bottom: 8px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
        margin-bottom: 32px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .curriculum-item {
        flex-direction: column;
        text-align: center;
    }
    
    .curriculum-day {
        margin-right: 0;
        margin-bottom: 16px;
        align-self: center;
    }
    
    .testimonials {
        grid-template-columns: 1fr;
    }
    
    .bonus-content {
        padding: 32px 24px;
    }
    
    .bonus-price {
        flex-direction: column;
        gap: 8px;
    }
    
    .cta-button.large {
        width: 100%;
        max-width: 300px;
    }
    
    .faq-question {
        font-size: 16px;
        padding: 20px;
    }
    
    .profile-content {
        padding: 32px 24px;
    }
    
    .final-cta-text {
        font-size: 18px;
    }
}