/* ============================================================
   小泉しんぺい 公式サイト - グローバルスタイル
   ============================================================ */

/* ─── リセット & 基本設定 ─────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
    color: #212121;
    line-height: 1.8;
    background: #fff;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: opacity .2s; }
a:hover { opacity: .8; }

/* ─── カラー変数 ──────────────────────────── */
:root {
    --primary: #2E7D32;
    --primary-light: #4CAF50;
    --primary-dark: #1B5E20;
    --accent: #F9A825;
    --text-dark: #212121;
    --text-mid: #616161;
    --text-light: #9E9E9E;
    --bg-light: #F5F5F5;
    --bg-green-light: #E8F5E9;
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(0,0,0,.08);
    --shadow-hover: 0 8px 30px rgba(0,0,0,.12);
    --radius: 12px;
}

/* ─── ユーティリティ ──────────────────────── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }
.mt-40 { margin-top: 40px; }

/* ─── プライマリーグラデーションセクション ──── */
.section-primary-gradient {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 50%, #a5d6a7 100%);
    position: relative;
    overflow: hidden;
}
.section-primary-gradient::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(76, 175, 80, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

/* ─── ヒーローメッセージ ────────────────────── */
.hero-message {
    max-width: 1000px;
    margin: 0 auto 4rem;
    text-align: center;
}
.hero-message-title {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--primary-dark);
    margin-bottom: 2rem;
    line-height: 1.3;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.05);
}
.highlight-text {
    color: var(--primary);
    position: relative;
    display: inline-block;
}
.highlight-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 12px;
    background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
    opacity: 0.3;
    z-index: -1;
}
.hero-message-content {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    position: relative;
}
.hero-message-text {
    font-size: 1.15rem;
    line-height: 2;
    color: var(--text-dark);
    margin-bottom: 2rem;
}
.hero-message-emphasis {
    background: linear-gradient(135deg, #fff9c4 0%, #fff59d 100%);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.2);
}
.emphasis-icon {
    font-size: 3rem;
    flex-shrink: 0;
}
.hero-message-emphasis p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
}
.hero-message-emphasis strong {
    color: #f57c00;
    font-size: 1.2em;
    text-decoration: underline;
    text-decoration-color: #f57c00;
    text-decoration-thickness: 2px;
}

/* ─── 実績カード ────────────────────────────── */
.achievement-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}
.achievement-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
}
.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary));
}
.achievement-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(76, 175, 80, 0.2);
    border-color: var(--primary-light);
}
.achievement-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.achievement-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}
.achievement-desc {
    font-size: 1rem;
    color: var(--text-mid);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}
.big-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    display: block;
    margin: 0.5rem 0;
}
.achievement-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ─── 幸福度セクション ──────────────────────── */
.subtitle {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 700;
}
.happiness-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}
.happiness-intro-text {
    font-size: 1.15rem;
    line-height: 2;
    color: var(--text-dark);
}
.happiness-score {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary);
    display: inline-block;
    padding: 0 0.5rem;
    position: relative;
}
.happiness-score::after {
    content: '点';
    font-size: 1.2rem;
    position: absolute;
    top: 0.5rem;
    right: -1rem;
}

.happiness-factors {
    margin: 4rem 0;
}
.happiness-factors-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 2.5rem;
    position: relative;
    padding-bottom: 1rem;
}
.happiness-factors-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    border-radius: 2px;
}

.happiness-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}
.happiness-icon-wrapper .happiness-icon {
    font-size: 2.5rem;
}

.happiness-commitment {
    max-width: 900px;
    margin: 4rem auto 0;
}
.commitment-box {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(33, 150, 243, 0.15);
}
.commitment-text {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--text-dark);
    margin-bottom: 2rem;
    text-align: center;
}
.commitment-message {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.commitment-icon {
    font-size: 2.5rem;
}
.commitment-message p {
    margin: 0;
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--primary-dark);
}

/* ─── 資格カード ────────────────────────────── */
.qualification-card {
    transition: all 0.3s ease;
}
.qualification-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

/* ─── 動画ギャラリー ──────────────────────── */
.video-section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
    color: var(--text-light);
    font-size: 1.05rem;
    line-height: 1.8;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.video-featured {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 720px;
    margin: 0 auto;
}

.video-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
}

.video-card video {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    background: #000;
}

.video-card-info {
    padding: 16px 20px;
}

.video-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.video-card-desc {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
}

.video-card-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.badge-music {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    color: #2e7d32;
}

.badge-activity {
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
    color: #e65100;
}

/* ─── レスポンシブ対応 ──────────────────────── */
@media (max-width: 768px) {
    .hero-message-title {
        font-size: 2rem;
    }
    .hero-message-content {
        padding: 2rem;
    }
    .hero-message-emphasis {
        flex-direction: column;
        text-align: center;
    }
    .achievement-cards {
        grid-template-columns: 1fr;
    }
    .happiness-score {
        font-size: 2.5rem;
    }
}

/* ─── ボタン ─────────────────────────────── */
.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 15px;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    transition: all .3s;
    border: 2px solid transparent;
    letter-spacing: .05em;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: rgba(255,255,255,.9); transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: #F57F17; transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* ─── ヘッダー ───────────────────────────── */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 8px rgba(0,0,0,.06);
    transition: background .3s;
}
.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.logo {
    font-size: 20px;
    font-weight: 900;
    color: var(--primary);
    letter-spacing: .05em;
}
.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}
.nav { display: flex; gap: 32px; }
.header-social {
    display: flex;
    gap: 12px;
    align-items: center;
}
.header-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-light);
    color: var(--text-mid);
    transition: all 0.3s;
}
.header-social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}
.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 4px 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--primary);
    transition: width .3s;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--primary); font-weight: 700; }

/* ハンバーガー */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}
.hamburger span {
    display: block;
    width: 24px; height: 2px;
    background: var(--text-dark);
    transition: all .3s;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ─── ヒーロー ───────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-color: #2E7D32;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(27,94,32,.85), rgba(46,125,50,.7));
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 100px 24px 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    width: 100%;
}
.hero-text { flex: 1; color: #fff; }
.hero-label {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: .2em;
    text-transform: uppercase;
    margin-bottom: 16px;
    opacity: .8;
}
.hero-title {
    font-size: clamp(40px, 7vw, 72px);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: .05em;
}
.hero-catchphrase {
    font-size: clamp(18px, 3vw, 26px);
    font-weight: 500;
    margin-bottom: 36px;
    opacity: .9;
    line-height: 1.6;
}
.hero-image {
    flex: 0 0 auto;
    width: 340px;
}
.hero-image img {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
}

/* ─── セクション共通 ─────────────────────── */
.section { padding: 100px 0; }
.section-white { background: var(--white); }
.section-light { background: var(--bg-light); }
.section-green-light { background: var(--bg-green-light); }
.section-title {
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.4;
}
.section-title.center { margin-bottom: 50px; }
.section-text {
    font-size: 16px;
    color: var(--text-mid);
    line-height: 2;
    margin-bottom: 30px;
}

/* ─── 2カラム ────────────────────────────── */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.col-image { text-align: center; }
.float-image {
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-width: 360px;
    margin: 0 auto;
}

/* ─── カードグリッド ──────────────────────── */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}
.card {
    background: #fff;
    border-radius: var(--radius);
    padding: 36px 28px;
    box-shadow: var(--shadow);
    transition: transform .3s, box-shadow .3s;
    text-align: center;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.card-icon { font-size: 42px; margin-bottom: 16px; }
.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}
.card-desc {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.8;
}

/* ─── 活動グリッド ───────────────────────── */
.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}
.activity-item { 
    text-align: center;
    display: block;
}
.activity-item:hover {
    transform: translateY(-4px);
}

/* ─── 幸福度セクション ────────────────────── */
.happiness-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 40px;
}
.happiness-card {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.3s;
}
.happiness-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.happiness-icon {
    font-size: 48px;
    margin-bottom: 16px;
}
.happiness-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}
.happiness-text {
    font-size: 14px;
    color: var(--text-mid);
    line-height: 1.8;
}
.activity-image {
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}
.activity-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform .4s;
}
.activity-image-contain img {
    object-fit: contain;
    object-position: center;
    background: var(--bg-light);
}
.activity-item:hover .activity-image img { transform: scale(1.05); }
.activity-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.activity-text { font-size: 14px; color: var(--text-mid); line-height: 1.8; }

/* ─── ニュース ───────────────────────────── */
.news-list { max-width: 700px; margin: 0 auto; }
.news-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid #E0E0E0;
    flex-wrap: wrap;
    transition: background 0.3s, padding-left 0.3s;
    border-radius: 4px;
}
.news-item:hover {
    background: var(--bg-green-light);
    padding-left: 12px;
    cursor: pointer;
}
.news-date { font-size: 13px; color: var(--text-light); font-weight: 500; min-width: 90px; }
.news-badge {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    background: var(--primary);
    color: #fff;
}
.news-badge.badge-blue { background: #1565C0; }
.news-badge.badge-orange { background: #F57F17; }
.news-text { font-size: 15px; color: var(--text-dark); flex: 1; }

/* ─── CTA ────────────────────────────────── */
.section-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 100px 0;
}
.cta-title {
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 900;
    margin-bottom: 20px;
}
.cta-text {
    font-size: 16px;
    opacity: .9;
    margin-bottom: 40px;
    line-height: 1.8;
}
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ─── フッター ───────────────────────────── */
.footer { background: #1B1B1B; color: #ccc; padding: 60px 0 30px; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; flex-wrap: wrap; }
.footer-name { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 8px; }
.footer-catch { font-size: 13px; color: #999; }
.footer-contact { 
    font-size: 12px; 
    color: #999; 
    margin-top: 12px; 
    line-height: 1.8;
}
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { font-size: 14px; color: #ccc; }
.footer-nav a:hover { color: var(--primary-light); }
.footer-social { display: flex; gap: 16px; }
.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    border-radius: 50%;
    background: #333;
    color: #fff;
    font-size: 16px;
    transition: background .3s;
}
.footer-social a:hover { background: var(--primary); }
.footer-copy {
    text-align: center;
    font-size: 12px;
    color: #666;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #333;
}

/* ─── スクロールトップ ────────────────────── */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 20px;
    border: none;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all .3s;
    z-index: 999;
    box-shadow: 0 4px 12px rgba(0,0,0,.2);
    display: flex;
    align-items: center;
    justify-content: center;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ─── アニメーション ──────────────────────── */
.fade-up { opacity: 0; transform: translateY(30px); animation: fadeUp .8s ease-out forwards; }
.delay-1 { animation-delay: .2s; }
.delay-2 { animation-delay: .4s; }
.delay-3 { animation-delay: .6s; }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

.reveal-up, .reveal-left, .reveal-right {
    opacity: 0;
    transition: opacity .8s ease-out, transform .8s ease-out;
}
.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
    opacity: 1;
    transform: translate(0);
}

/* ─── ページヒーロー（サブページ共通）─────── */
.page-hero {
    position: relative;
    min-height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.page-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-color: #2E7D32;
}
.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(27,94,32,.85), rgba(46,125,50,.7));
}
.page-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding-top: 64px;
}
.page-hero-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 900;
    letter-spacing: .05em;
    margin-bottom: 12px;
}
.page-hero-sub {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: .15em;
    opacity: .8;
}

/* ─── プロフィール固有 ────────────────────── */
.name-kana { font-size: 15px; font-weight: 500; color: var(--text-mid); display: block; margin-top: 8px; }
.profile-info { margin-bottom: 24px; }
.profile-info-row {
    display: flex; gap: 12px; padding: 8px 0;
    border-bottom: 1px solid #eee;
    font-size: 15px;
}
.profile-label { font-weight: 700; color: var(--text-dark); min-width: 120px; }
.profile-value { color: var(--text-mid); }
.profile-photo { border-radius: 16px; }
.three-col { grid-template-columns: repeat(3, 1fr); }

/* ─── タイムライン ────────────────────────── */
.timeline { max-width: 700px; margin: 0 auto; position: relative; }
.timeline::before {
    content: '';
    position: absolute;
    left: 80px;
    top: 0; bottom: 0;
    width: 2px;
    background: var(--primary-light);
}
.timeline-item {
    display: flex;
    gap: 24px;
    padding: 16px 0;
    position: relative;
}
.timeline-item::after {
    content: '';
    position: absolute;
    left: 74px;
    top: 22px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--primary-light);
}
.timeline-year {
    min-width: 60px;
    font-weight: 700;
    color: var(--primary);
    font-size: 14px;
    text-align: right;
}
.timeline-content {
    padding-left: 24px;
    font-size: 15px;
    color: var(--text-dark);
}

/* ─── 原点セクション ──────────────────────── */
.origin-grid { display: flex; flex-direction: column; gap: 60px; }
.origin-item { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.origin-item.reverse .origin-image { order: 1; }
.origin-item.reverse .origin-text { order: 0; }
.origin-image { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.origin-image img { 
    width: 100%; 
    height: 400px; 
    object-fit: contain;
    background: var(--bg-light);
}
.origin-text h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.origin-text p { font-size: 15px; color: var(--text-mid); line-height: 1.9; }

/* ─── 政策カード ──────────────────────────── */
.policy-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 24px; }
.policy-card {
    display: flex;
    gap: 24px;
    background: #fff;
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow);
    transition: transform .3s, box-shadow .3s;
    align-items: flex-start;
}
.policy-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.policy-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary-light);
    opacity: .5;
    line-height: 1;
    min-width: 48px;
}
.policy-body { flex: 1; }
.policy-icon { font-size: 28px; margin-bottom: 8px; }
.policy-title { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.policy-desc { font-size: 14px; color: var(--text-mid); line-height: 1.9; }

/* ─── レスポンシブ ────────────────────────── */
@media (max-width: 768px) {
    .hamburger { display: flex; }
    .header-right {
        position: fixed;
        top: 0; right: -100%;
        width: 280px;
        height: 100vh;
        flex-direction: column;
        background: #fff;
        padding: 80px 40px;
        gap: 32px;
        transition: right .3s;
        box-shadow: -4px 0 20px rgba(0,0,0,.1);
    }
    .header-right.open { right: 0; }
    .nav {
        flex-direction: column;
        gap: 24px;
    }
    .nav-link { font-size: 16px; }
    .header-social {
        padding-top: 20px;
        border-top: 1px solid var(--bg-light);
    }

    .hero-content { flex-direction: column; text-align: center; padding-top: 120px; }
    .hero-image { width: 240px; }
    .hero-title { font-size: 36px; }

    .two-col { grid-template-columns: 1fr; gap: 40px; }
    .col-image { order: -1; }
    .float-image { max-width: 260px; }

    .section { padding: 70px 0; }
    .section-title { font-size: 24px; }

    .activity-grid { grid-template-columns: 1fr; }
    .three-col { grid-template-columns: 1fr; }

    .page-hero { min-height: 260px; }

    .timeline::before { left: 60px; }
    .timeline-item::after { left: 54px; }
    .timeline-year { min-width: 40px; font-size: 12px; }
    .timeline-content { padding-left: 16px; font-size: 14px; }

    .origin-item, .origin-item.reverse { grid-template-columns: 1fr; }
    .origin-item.reverse .origin-image { order: 0; }
    .origin-item.reverse .origin-text { order: 1; }

    .policy-card { flex-direction: column; padding: 24px; }
    .policy-number { font-size: 28px; }

    .news-item { flex-direction: column; align-items: flex-start; gap: 8px; }

    .video-grid { grid-template-columns: 1fr; }
    .video-featured { grid-template-columns: 1fr; }
    .video-card video { height: 240px; }

    .footer-inner { flex-direction: column; text-align: center; align-items: center; }
    .footer-nav { flex-direction: row; flex-wrap: wrap; justify-content: center; }
    .footer-social { justify-content: center; }

    .btn { padding: 12px 28px; font-size: 14px; }
}