/* --- 基本設定 & カラーパレット --- */
:root {
    --bg-color: #F8F6F0; /* クリーム色 */
    --main-green: #2A4B40; /* メインの濃い緑 */
    --accent-green: #3B6B5B; /* アクセントの緑 */
    --accent-yellow: #f8c030; /* アクセントの黄色 */
    --text-color: #333;
    --white-color: #FFFFFF;
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.8;
    color: var(--text-color);
    background-color: var(--bg-color);
    font-size: 16px;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    color: var(--main-green);
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-green);
    margin-bottom: 40px;
}

.section-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}
.section-text strong {
    color: var(--accent-green);
    font-weight: bold;
}

.sp-only {
    display: none;
}

/* --- フェードインアニメーション --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}
/* アニメーションの遅延設定 */
.seminar-card:nth-child(2), .purpose-item:nth-child(2), .benefit-item:nth-child(2) { transition-delay: 0.1s; }
.seminar-card:nth-child(3), .benefit-item:nth-child(3) { transition-delay: 0.2s; }
.seminar-card:nth-child(4) { transition-delay: 0.3s; }


/* --- ボタン --- */
.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #ffd700, var(--accent-yellow));
    color: var(--main-green);
    font-weight: bold;
    font-size: 1.1rem;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border: 2px solid var(--white-color);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}


/* --- ファーストビュー (hero) --- */
.hero {
    background-color: var(--main-green);
    color: var(--white-color);
    padding: 60px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
}
.hero-content {
    text-align: center;
    max-width: 50%;
    padding: 0 40px;
}
.hero-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    line-height: 1.4;
    margin-bottom: 20px;
}
.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
}
.hero-catchphrase {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 10px;
    border-radius: 8px;
    display: inline-block;
    margin-bottom: 40px;
}
.hero-image-container {
    max-width: 50%;
    padding: 0 20px;
}
.hero-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
}

/* --- 導入 (intro) --- */
.intro {
    background-color: var(--white-color);
}

/* --- ベネフィット (benefit) --- */
.benefit {
    background-color: var(--bg-color);
}

/* --- セミナー紹介 (seminars) --- */
.seminars {
    background-color: var(--white-color);
}
.seminar-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}
.seminar-card {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #eee;
    transition: transform 0.3s, box-shadow 0.3s;
}
.seminar-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}
.seminar-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}
.seminar-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--accent-green);
    margin-bottom: 10px;
}
.seminar-description {
    font-size: 0.95rem;
    line-height: 1.7;
}
.cta-area {
    text-align: center;
}

/* --- 支援の使い道 (purpose) --- */
.purpose {
    background-color: var(--accent-green);
    color: var(--white-color);
}
.purpose .section-title { color: var(--white-color); }
.purpose .section-text { max-width: 100%; }
.purpose-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}
.purpose-item {
    background: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 12px;
}
.purpose-item h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--accent-yellow);
    padding-bottom: 10px;
    display: inline-block;
}
.purpose-item ul {
    list-style: '🌱 ';
    padding-left: 25px;
}
.purpose-item ul li {
    margin-bottom: 10px;
}

/* --- その他の特典 (other-benefits) --- */
.other-benefits {
    background-color: var(--bg-color);
}
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}
.benefit-item {
    padding: 20px;
}
.benefit-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    line-height: 1;
}
.benefit-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--accent-green);
    margin-bottom: 10px;
}

/* --- こんな方におすすめ (recommend) --- */
.recommend {
    background-color: var(--white-color);
}
.recommend-list {
    max-width: 800px;
    margin: 0 auto;
    list-style: none;
    padding: 0;
}
.recommend-list li {
    background: var(--bg-color);
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    border-left: 5px solid var(--accent-green);
    font-size: 1.1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease; /* transitionを追加 */
}
.recommend-list li:hover {
    transform: translateY(-5px) scale(1.02); /* ホバー時の動き */
    box-shadow: 0 8px 15px rgba(0,0,0,0.08); /* 影を追加 */
}
.recommend-list li strong {
    color: var(--main-green);
    font-size: 1.2rem;
}

/* --- 登録手順 (register) --- */
.steps-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-top: 50px;
}
.step {
    text-align: center;
    max-width: 250px;
}
.step-number {
    background: var(--accent-yellow);
    color: var(--main-green);
    font-weight: bold;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    font-size: 1.2rem;
}
.step-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    margin-bottom: 10px;
}
.step-arrow {
    font-size: 2.5rem;
    color: var(--accent-green);
    font-weight: bold;
}
.step-link {
    display: inline-block;
    margin-top: 15px;
    padding: 5px 15px;
    background-color: var(--main-green);
    color: var(--white-color);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}
.step-link:hover {
    background-color: var(--accent-green);
}

/* --- クロージング (closing) --- */
.closing {
    background-color: var(--white-color);
}
.closing-message {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px;
}
.closing-message strong {
    font-family: var(--font-serif);
    font-size: 1.2em;
    color: var(--accent-green);
}
.final-cta-box {
    background: var(--bg-color);
    border: 3px solid var(--accent-green);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}
.final-cta-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    margin-bottom: 15px;
}
.price {
    font-size: 1.5rem;
    margin-bottom: 10px;
}
.price span {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--main-green);
}
.price small {
    font-size: 1rem;
}
.payment-methods {
    margin-bottom: 30px;
    color: #777;
}
.final-cta {
    font-size: 1.2rem;
}

/* --- Q&A (faq) --- */
.faq-item {
    max-width: 800px;
    margin: 0 auto 20px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 20px;
}
.faq-question, .faq-answer {
    display: flex;
    font-size: 1.1rem;
}
.faq-question span, .faq-answer span {
    font-size: 1.5rem;
    font-weight: bold;
    margin-right: 15px;
}
.faq-question span { color: var(--accent-green); }
.faq-answer span { color: var(--accent-yellow); }
.faq-answer {
    margin-top: 10px;
    background: var(--white-color);
    padding: 15px;
    border-radius: 8px;
}

/* --- フッター (new-footer) --- */
.new-footer {
    background-color: #121822;
    color: #94a3b8; /* Tailwindのslate-400に近い色 */
    padding: 48px 0;
    text-align: center;
}
.footer-logo-container {
    margin-bottom: 24px;
}
.footer-logo-link {
    display: inline-block;
    transition: opacity 0.3s;
}
.footer-logo-link:hover {
    opacity: 0.8;
}
.footer-logo {
    height: 40px;
    margin: 0 auto;
}
.footer-sns {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
}
.sns-link {
    color: #94a3b8;
    transition: color 0.3s;
}
.sns-link:hover {
    color: #ffffff;
}
.sns-icon {
    width: 24px;
    height: 24px;
}
.copyright-text {
    font-size: 0.875rem; /* 14px */
}

/* --- 追従ヘッダー (sticky-header) --- */
.sticky-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 10px 0;
    transform: translateY(-100%);
    transition: transform 0.4s ease-in-out;
    visibility: hidden;
}
.sticky-header.is-visible {
    transform: translateY(0);
    visibility: visible;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header-title {
    font-weight: bold;
    color: var(--main-green);
}
.header-cta-button {
    background: var(--accent-green);
    color: var(--white-color);
    font-size: 0.9rem;
    font-weight: bold;
    padding: 8px 20px;
    border-radius: 30px;
    text-decoration: none;
    transition: background-color 0.3s, transform 0.3s;
}
.header-cta-button:hover {
    background-color: var(--main-green);
    transform: scale(1.05);
}

/* --- 規約ページ (terms.html) 用スタイル --- */
.page-header {
    background: var(--bg-color);
    padding: 20px 0;
    border-bottom: 1px solid #e5e5e5;
}
.back-to-lp-link {
    color: var(--accent-green);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}
.back-to-lp-link:hover {
    color: var(--main-green);
}
.terms-page {
    background-color: var(--white-color);
}
.terms-content {
    background: var(--bg-color);
    padding: 30px 40px;
    border-radius: 12px;
    border: 1px solid #eee;
    line-height: 1.9;
}
.terms-content h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--main-green);
    text-align: center;
    margin-bottom: 40px;
    border-bottom: 2px solid var(--accent-yellow);
    padding-bottom: 20px;
}
.terms-content h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--accent-green);
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 8px;
    border-bottom: 1px solid #ddd;
}
.terms-content p {
    margin-bottom: 1em;
}
.terms-content ul {
    list-style: disc;
    padding-left: 25px;
    margin-bottom: 1em;
}
.terms-content ul li {
    margin-bottom: 0.5em;
}
.terms-content a {
    color: var(--accent-green);
    text-decoration: underline;
    font-weight: bold;
}
.terms-content a:hover {
    color: var(--main-green);
}

/* --- フッターリンクのスタイル --- */
.footer-links {
    margin-bottom: 20px;
}
.footer-links a {
    color: #94a3b8; /* slate-400 */
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s, text-decoration 0.3s;
}
.footer-links a:hover {
    color: #fff;
    text-decoration: underline;
}

/* --- レスポンシブ対応 (スマートフォン) --- */
@media (max-width: 768px) {
    .sp-only { display: block; }
    .pc-only { display: none; }
    
    .section-padding { padding: 60px 0; }
    .section-title { font-size: 1.8rem; }

    .hero {
        flex-direction: column;
        padding: 40px 20px;
        min-height: auto;
    }
    .hero-content {
        max-width: 100%;
        order: 2;
        padding: 0;
    }
    .hero-title { font-size: 2.2rem; }
    .hero-image-container {
        max-width: 80%;
        order: 1;
        margin-bottom: 30px;
    }
    .hero .cta-button { font-size: 1rem; padding: 12px 30px; }
    
    .seminar-grid, .purpose-grid, .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        flex-direction: column;
    }
    .step-arrow {
        transform: rotate(90deg);
        margin: 20px 0;
    }
    .final-cta-box {
        padding: 20px;
    }
    .price span { font-size: 2rem; }
    
    .header-title {
        font-size: 0.8rem;
    }
    .header-cta-button {
        font-size: 0.8rem;
        padding: 6px 15px;
    }

    .terms-content {
        padding: 20px;
    }
    .terms-content h1 {
        font-size: 1.6rem;
    }
    .terms-content h2 {
        font-size: 1.3rem;
    }
}