@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&family=Noto+Serif+JP:wght@600;700&display=swap');

:root{
  --bg:#fdfbf7; --bg-warm:#f7f1e8; --bg-soft:#fef8ec;
  --ink:#2a2522; --ink-soft:#5c5551; --ink-muted:#8a827c;
  --accent:#c8583f; --accent-dark:#a14731; --gold:#d4a04a;
  --sage:#7a9471; --sky:#5d8aa8;
  --border:#e8dfd1; --border-strong:#d4c8b5;
  --prio-a-bg:#fef1ed; --prio-a-border:#c8583f; --prio-a-text:#8e2f1e;
  --prio-b-bg:#fdf4e3; --prio-b-border:#d4a04a; --prio-b-text:#8a5f1a;
  --prio-c-bg:#f0f5ec; --prio-c-border:#7a9471; --prio-c-text:#445a3d;
  --prio-d-bg:#eef3f6; --prio-d-border:#5d8aa8; --prio-d-text:#37546a;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Zen Kaku Gothic New',sans-serif;background:var(--bg);color:var(--ink);font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased;}
.header{background:rgba(253,251,247,0.96);backdrop-filter:blur(8px);border-bottom:2px solid var(--border);padding:20px 0;position:sticky;top:0;z-index:100;}
.header-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;justify-content:space-between;align-items:center;}
.logo{display:flex;align-items:center;gap:14px;text-decoration:none;color:inherit;}
.logo-mark{width:48px;height:48px;background:var(--accent);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;box-shadow:0 4px 12px rgba(200,88,63,0.25);transform:rotate(-3deg);transition:transform 0.3s;}
.logo:hover .logo-mark{transform:rotate(3deg) scale(1.05);}
.logo-text{font-family:'Noto Serif JP',serif;font-size:26px;font-weight:700;}
.logo-text span{color:var(--accent);}
.logo-sub{font-size:12px;color:var(--ink-muted);margin-top:2px;letter-spacing:1px;}
.header-nav{display:flex;gap:28px;align-items:center;}
.nav-link{font-size:15px;color:var(--ink-soft);text-decoration:none;font-weight:500;}
.nav-link:hover{color:var(--accent);}
.nav-link[aria-current="page"]{color:var(--accent);border-bottom:2px solid var(--accent);padding-bottom:2px;}

/* Skip link (アクセシビリティ: キーボード操作で本文へ即移動) */
.skip-link{position:absolute;top:-40px;left:0;background:var(--accent);color:white;padding:8px 16px;z-index:1000;text-decoration:none;border-radius:0 0 4px 0;font-weight:700;font-size:14px;}
.skip-link:focus{top:0;}

/* Focus visible (キーボードフォーカスの可視化) */
*:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px;}
.skip-link:focus-visible{outline:2px solid white;}
.cta-button{background:var(--accent);color:white;padding:10px 22px;border-radius:30px;font-size:14px;font-weight:700;text-decoration:none;box-shadow:0 2px 8px rgba(200,88,63,0.25);}
.cta-button:hover{background:var(--accent-dark);}
.pro-btn-wrap{position:relative;}
.pro-tooltip{position:absolute;top:calc(100% + 12px);right:0;background:white;border:1px solid var(--border-strong);border-radius:12px;padding:16px 18px;box-shadow:0 8px 32px rgba(0,0,0,0.12);width:280px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:all 0.2s;z-index:200;pointer-events:none;}
.pro-btn-wrap:hover .pro-tooltip{opacity:1;visibility:visible;transform:translateY(0);}
.pro-tooltip-title{font-family:'Noto Serif JP',serif;font-size:15px;font-weight:700;margin-bottom:8px;}
.pro-tooltip-list{list-style:none;padding:0;margin:0 0 10px 0;}
.pro-tooltip-list li{font-size:12px;color:var(--ink-soft);padding:3px 0;display:flex;gap:6px;}
.pro-tooltip-list li::before{content:"✓";color:var(--sage);font-weight:700;}
.pro-tooltip-price{font-size:11px;color:var(--ink-muted);border-top:1px dashed var(--border);padding-top:8px;text-align:center;}
.pro-tooltip-price b{color:var(--accent);font-weight:700;}

.hero{max-width:1200px;margin:0 auto;padding:32px 32px 24px;text-align:center;position:relative;}
.hero::before{content:"";position:absolute;top:12px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--accent);border-radius:2px;}
.hero-title{font-family:'Noto Serif JP',serif;font-size:34px;font-weight:700;line-height:1.4;margin:18px 0 14px;}
.hero-title .highlight{color:var(--accent);border-bottom:4px solid var(--gold);padding-bottom:2px;}
.hero-subtitle{font-size:16px;color:var(--ink-soft);line-height:1.8;max-width:640px;margin:0 auto;}
.hero-meta{display:inline-flex;gap:18px;margin-top:18px;padding:10px 22px;background:var(--bg-warm);border-radius:40px;font-size:13px;color:var(--ink-soft);flex-wrap:wrap;justify-content:center;}
.hero-meta-item{display:flex;align-items:center;gap:6px;}
.hero-meta-item b{color:var(--ink);font-weight:700;font-size:15px;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.content-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start;}
.main-content{min-width:0;}
.side-content{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}

.section{margin:32px 0 60px;}
.section-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:24px;border-bottom:2px dashed var(--border-strong);padding-bottom:14px;}
.section-title{font-family:'Noto Serif JP',serif;font-size:24px;font-weight:700;display:flex;align-items:center;gap:14px;}
.section-title-icon{font-size:28px;}
.section-desc{font-size:13px;color:var(--ink-muted);}

.top3-banner{background:linear-gradient(135deg, #fef1ed 0%, #fdf4e3 100%);border:2px solid var(--accent);border-radius:20px;padding:32px 36px;margin-bottom:24px;position:relative;overflow:hidden;}
.top3-banner.calm{background:linear-gradient(135deg, #f0f5ec 0%, #eef3f6 100%);border-color:var(--sage);}
.top3-banner-title{font-family:'Noto Serif JP',serif;font-size:22px;font-weight:700;color:var(--accent-dark);margin-bottom:8px;display:flex;align-items:center;gap:12px;}
.top3-banner.calm .top3-banner-title{color:var(--prio-c-text);}
.top3-banner-sub{color:var(--ink-soft);font-size:15px;}

/* === 本日の目次 (案2: 優先度別2列グループ) === */
html{scroll-behavior:smooth;}
.toc{background:white;border:1px solid var(--border);border-radius:14px;padding:20px 24px;margin-bottom:24px;box-shadow:0 2px 8px rgba(0,0,0,0.04);}
.toc-title{font-family:'Noto Serif JP',serif;font-size:17px;font-weight:700;margin:0 0 16px 0;color:var(--ink);padding-bottom:12px;border-bottom:1px dashed var(--border);}
.toc-groups{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.toc-group{display:flex;flex-direction:column;gap:8px;min-width:0;}
.toc-group-header{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:8px;background:var(--bg-soft);}
.toc-group.prio-a .toc-group-header{background:var(--prio-a-bg);}
.toc-group.prio-b .toc-group-header{background:var(--prio-b-bg);}
.toc-group.prio-c .toc-group-header{background:var(--prio-c-bg);}
.toc-group.prio-d .toc-group-header{background:var(--prio-d-bg);}
.toc-group-badge{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:'Noto Serif JP',serif;font-weight:700;font-size:18px;background:white;flex-shrink:0;}
.toc-group.prio-a .toc-group-badge{color:var(--prio-a-text);border:1.5px solid var(--prio-a-border);}
.toc-group.prio-b .toc-group-badge{color:var(--prio-b-text);border:1.5px solid var(--prio-b-border);}
.toc-group.prio-c .toc-group-badge{color:var(--prio-c-text);border:1.5px solid var(--prio-c-border);}
.toc-group.prio-d .toc-group-badge{color:var(--prio-d-text);border:1.5px solid var(--prio-d-border);}
.toc-group-meta{flex:1;display:flex;flex-direction:column;line-height:1.3;}
.toc-group-label{font-family:'Noto Serif JP',serif;font-weight:700;font-size:14px;color:var(--ink);}
.toc-group-desc{font-size:11px;color:var(--ink-muted);margin-top:2px;}
.toc-group-count{font-size:12px;font-weight:600;color:var(--ink-soft);font-family:'DM Mono',monospace;flex-shrink:0;}
.toc-group-list{list-style:none;padding:0 0 0 8px;margin:0;display:flex;flex-direction:column;gap:4px;}
.toc-group-list li{position:relative;padding-left:14px;min-width:0;}
.toc-group-list li::before{content:"";position:absolute;left:0;top:9px;width:4px;height:4px;border-radius:50%;background:var(--ink-muted);opacity:0.5;}
.toc-group-list a{color:var(--ink);text-decoration:none;font-size:13px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;padding:3px 0;transition:color 0.15s;overflow:hidden;font-weight:500;}
.toc-group-list a:hover{color:var(--accent);}
@media (max-width:768px){.toc-groups{grid-template-columns:1fr;gap:12px;}}
.card{background:white;border:1px solid var(--border);border-radius:16px;padding:28px 32px;margin-bottom:20px;transition:all 0.25s;}
.card:hover{border-color:var(--border-strong);box-shadow:0 8px 32px rgba(0,0,0,0.06);}
.card.prio-a{border-left:6px solid var(--prio-a-border);}
.card.prio-b{border-left:6px solid var(--prio-b-border);}
.card.prio-c{border-left:6px solid var(--prio-c-border);}
.card.prio-d{border-left:6px solid var(--prio-d-border);}

.card-header{display:flex;align-items:flex-start;gap:20px;margin-bottom:20px;}
.priority-badge{flex-shrink:0;width:62px;height:62px;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:'Noto Serif JP',serif;font-weight:700;}
.priority-badge.a{background:var(--prio-a-bg);color:var(--prio-a-text);border:2px solid var(--prio-a-border);}
.priority-badge.b{background:var(--prio-b-bg);color:var(--prio-b-text);border:2px solid var(--prio-b-border);}
.priority-badge.c{background:var(--prio-c-bg);color:var(--prio-c-text);border:2px solid var(--prio-c-border);}
.priority-badge.d{background:var(--prio-d-bg);color:var(--prio-d-text);border:2px solid var(--prio-d-border);}
.priority-letter{font-size:28px;line-height:1;}
.priority-label{font-size:9px;font-weight:500;margin-top:2px;}

.card-title-wrap{flex:1;}
.card-title{font-family:'Noto Serif JP',serif;font-weight:700;line-height:1.5;margin-bottom:10px;}
.card-title.short{font-size:22px;}
.card-title.medium{font-size:20px;}
.card-title.long{font-size:17px;line-height:1.6;}

/* メタ情報を3行に分ける */
.card-meta{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--ink-muted);}
.card-meta-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.card-meta-label{color:var(--ink-muted);font-size:12px;font-weight:700;flex-shrink:0;}
.card-meta-value{display:inline-flex;flex-wrap:wrap;gap:6px;align-items:center;}
.card-meta-row.publish{color:var(--ink-muted);font-size:12px;font-family:'DM Mono',monospace;}
.card-meta-row.publish span{display:inline-flex;align-items:center;gap:4px;}

.summary-box{background:var(--bg-soft);border-left:4px solid var(--gold);padding:18px 22px;border-radius:0 10px 10px 0;margin-bottom:22px;}
.summary-label{font-size:13px;font-weight:700;color:var(--gold);margin-bottom:6px;display:flex;align-items:center;gap:6px;}
.summary-text{font-size:17px;line-height:1.8;color:var(--ink);}

.action-box{background:white;border:2px solid var(--sage);border-radius:12px;padding:24px 28px;margin-bottom:22px;}
.action-title{font-family:'Noto Serif JP',serif;font-size:18px;font-weight:700;color:var(--sage);margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.action-content{font-size:16px;line-height:1.8;}

/* === 該当判定 (Phase 2) === */
.applicability-box{background:#fafafa;border:1px solid #e0e0e0;border-radius:12px;padding:18px 22px;margin-bottom:22px;}
.applicability-title{font-family:'Noto Serif JP',serif;font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;color:var(--ink);}
.applicability-list{list-style:none;padding:0;margin:0 0 12px 0;display:flex;flex-direction:column;gap:8px;}
.applicability-list li{display:flex;align-items:flex-start;gap:10px;line-height:1.6;font-size:14px;color:var(--ink-soft);padding-left:0;}
.applicability-list li::before{content:"☐";flex-shrink:0;color:var(--ink-muted);font-size:16px;line-height:1.4;font-weight:400;}
.applicability-no-match{background:#f0f5ec;border-left:3px solid #6b8e5a;padding:10px 14px;border-radius:4px;font-size:13px;color:#445a3d;margin-top:8px;font-weight:500;}
@media (max-width:768px){.applicability-box{padding:14px 16px;}.applicability-list li{font-size:13px;}}
.impact-box-sme{background:var(--bg-warm);border-radius:12px;padding:20px 24px;margin-bottom:22px;}
.impact-title-sme{font-family:'Noto Serif JP',serif;font-size:16px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:8px;}

/* メールセクション */
.mail-section{background:var(--bg-warm);border-radius:12px;padding:20px 24px;margin-bottom:22px;}
.mail-section-title{font-family:'Noto Serif JP',serif;font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.mail-disclaimer{background:#fef9ec;border:1px solid var(--gold);border-radius:8px;padding:10px 14px;font-size:12px;color:var(--ink-soft);line-height:1.6;margin-bottom:14px;}
.mail-disclaimer b{color:var(--accent-dark);}
.mail-tabs{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:12px;}
.mail-tab{font-size:13px;padding:7px 14px;border-radius:20px;border:1px solid var(--border-strong);background:white;color:var(--ink-soft);cursor:pointer;transition:all 0.15s;font-family:inherit;}
.mail-tab.active{background:var(--accent);color:white;border-color:var(--accent);}
.mail-tab:hover:not(.active){border-color:var(--accent);color:var(--accent);}
.mail-body{background:white;border:1px solid var(--border);border-radius:8px;padding:18px 22px;font-size:14px;line-height:1.8;color:var(--ink);font-family:'Hiragino Sans','Yu Gothic UI',sans-serif;white-space:pre-wrap;word-break:break-word;display:none;}
.mail-body.active{display:block;}
.mail-actions{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap;}
.mail-copy-btn{font-size:13px;padding:6px 14px;border-radius:20px;border:1px solid var(--border-strong);background:white;color:var(--ink-soft);cursor:pointer;font-family:inherit;}
.mail-copy-btn:hover{border-color:var(--accent);color:var(--accent);}
.mail-copy-btn.copied{background:var(--sage);color:white;border-color:var(--sage);}

.card-footer{display:flex;gap:12px;padding-top:18px;border-top:1px dashed var(--border);flex-wrap:wrap;}
.foot-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-soft);text-decoration:none;padding:6px 14px;border:1px solid var(--border);border-radius:30px;background:white;}
.foot-link:hover{border-color:var(--accent);color:var(--accent);}
.foot-link.primary{background:var(--ink);color:white;border-color:var(--ink);}
.foot-link.primary:hover{background:var(--accent);border-color:var(--accent);}
.card-share{display:flex;gap:8px;flex-wrap:wrap;margin-left:auto;align-items:center;}
.share-x,.share-copy{display:inline-flex;align-items:center;gap:5px;font-size:13px;padding:6px 13px;border-radius:20px;border:1px solid var(--border-strong);background:white;color:var(--ink-soft);cursor:pointer;font-family:inherit;text-decoration:none;}
.share-x:hover,.share-copy:hover{border-color:var(--accent);color:var(--accent);}
.share-copy.copied{background:var(--sage);color:white;border-color:var(--sage);}
.subscribe-cta{margin-top:28px;padding:24px 22px;background:var(--bg-warm);border:1px solid var(--border);border-radius:14px;text-align:center;}
.subscribe-title{font-family:'Noto Serif JP',serif;font-weight:700;font-size:17px;color:var(--ink);margin:0 0 6px;}
.subscribe-note{font-size:13px;color:var(--ink-soft);margin:0 0 14px;}
.subscribe-form{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;}
.subscribe-form input[type=email]{flex:1;min-width:200px;max-width:320px;padding:10px 14px;border:1px solid var(--border-strong);border-radius:24px;font-family:inherit;font-size:14px;}
.subscribe-form button{padding:10px 24px;border:none;border-radius:24px;background:var(--ink);color:white;font-weight:700;font-family:inherit;cursor:pointer;font-size:14px;}
.subscribe-form button:hover{background:var(--accent);}
.subscribe-hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0;}
.subscribe-msg{min-height:18px;margin:10px 0 0;font-size:13px;}
.subscribe-msg.ok{color:var(--sage);font-weight:700;}
.subscribe-msg.err{color:var(--accent);font-weight:700;}

.deco-badge{display:inline-block;padding:3px 10px;font-size:11px;font-weight:700;border-radius:30px;margin-right:6px;}
.deco-badge.exploit{background:#ffe4e1;color:#a14731;border:1px solid #e8a898;}
.deco-badge.patch{background:#e8f4e8;color:#445a3d;border:1px solid #a5c2a0;}
.deco-badge.new{background:#fff4d4;color:#8a5f1a;border:1px solid #d4b87a;}
.deco-badge.cve{background:var(--prio-a-bg);color:var(--prio-a-text);border:1px solid var(--prio-a-border);font-family:monospace;}
.deco-badge.eng{background:#eef3f6;color:var(--prio-d-text);border:1px solid var(--prio-d-border);}
.deco-badge.third-party{background:#fdf4e3;color:var(--prio-b-text);border:1px solid var(--prio-b-border);}

/* 他社事案の注意書き */
.third-party-notice{background:#fdf4e3;border-left:4px solid var(--gold);border-radius:0 10px 10px 0;padding:14px 18px;margin-bottom:22px;font-size:14px;line-height:1.7;color:var(--ink-soft);}
.third-party-notice b{color:var(--ink);}

/* クラスターバッジ */
.cluster-badge{display:inline-block;padding:3px 10px;font-size:11px;font-weight:700;border-radius:30px;margin-right:6px;background:var(--bg-warm);color:var(--ink-soft);border:1px solid var(--border-strong);}
.country-summary{font-size:11px;color:var(--ink-muted);padding:2px 6px;background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;margin-left:4px;display:inline-block;vertical-align:middle;}
.country-badges{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px;line-height:1.4;}
.country-badge{display:inline-flex;align-items:center;gap:3px;font-size:11px;padding:2px 6px;background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;color:var(--ink-soft);white-space:nowrap;}

/* 関連記事（控えめ・小さめ） */
.related-details{background:var(--bg-soft);border-radius:10px;margin-bottom:18px;overflow:hidden;}
.related-summary{padding:12px 18px;cursor:pointer;font-size:13px;font-weight:700;color:var(--ink-soft);user-select:none;list-style:none;}
.related-summary::-webkit-details-marker{display:none;}
.related-summary::before{content:"▶";display:inline-block;margin-right:8px;transition:transform 0.15s;font-size:10px;}
.related-details[open] .related-summary::before{transform:rotate(90deg);}
.related-summary:hover{color:var(--accent);}
.related-list{padding:0 14px 12px;display:flex;flex-direction:column;gap:4px;}
.related-item{display:grid;grid-template-columns:120px 1fr 24px;gap:12px;align-items:center;padding:8px 12px;background:transparent;border:none;border-radius:6px;text-decoration:none;color:inherit;font-size:13px;transition:all 0.15s;}
.related-item:hover{background:white;}
.related-source{font-weight:600;color:var(--ink-muted);font-family:'DM Mono',monospace;font-size:11px;text-transform:uppercase;}
.related-title{color:var(--ink-soft);line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.related-item:hover .related-title{color:var(--accent);}
.related-arrow{color:var(--ink-muted);font-size:14px;text-align:right;opacity:0.5;transition:all 0.15s;}
.related-item:hover .related-arrow{opacity:1;color:var(--accent);transform:translateX(2px);}

/* 優先度凡例 */
.priority-legend{background:white;border:1px solid var(--border);border-radius:12px;padding:16px 18px;}
.priority-legend-title{font-family:'Noto Serif JP',serif;font-size:14px;font-weight:700;margin-bottom:12px;color:var(--ink-soft);}
.priority-legend-item{display:flex;align-items:flex-start;gap:10px;padding:8px 0;border-bottom:1px dashed var(--border);}
.priority-legend-item:last-child{border-bottom:none;}
.priority-legend-letter{flex-shrink:0;width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:'Noto Serif JP',serif;font-weight:700;font-size:15px;}
.priority-legend-letter.a{background:var(--prio-a-bg);color:var(--prio-a-text);border:1px solid var(--prio-a-border);}
.priority-legend-letter.b{background:var(--prio-b-bg);color:var(--prio-b-text);border:1px solid var(--prio-b-border);}
.priority-legend-letter.c{background:var(--prio-c-bg);color:var(--prio-c-text);border:1px solid var(--prio-c-border);}
.priority-legend-letter.d{background:var(--prio-d-bg);color:var(--prio-d-text);border:1px solid var(--prio-d-border);}
.priority-legend-text{font-size:12px;line-height:1.5;color:var(--ink-soft);}
.priority-legend-text b{color:var(--ink);font-weight:700;}

/* 統計情報バッジ */
.stats-info{font-size:12px;color:var(--ink-muted);margin-top:8px;text-align:center;line-height:1.7;}
.stats-info b{color:var(--ink);font-weight:700;}

/* カレンダー */
.calendar-section{background:white;border:1px solid var(--border);border-radius:12px;padding:16px 18px;}
.calendar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;}
.calendar-title{font-family:'Noto Serif JP',serif;font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px;color:var(--ink-soft);}
.calendar-nav{display:flex;gap:6px;}
.cal-btn{width:28px;height:28px;border-radius:8px;border:1px solid var(--border);background:white;cursor:pointer;font-size:13px;color:var(--ink-soft);font-family:inherit;}
.cal-btn:hover{border-color:var(--accent);color:var(--accent);}
.cal-today-btn{font-size:11px;padding:5px 12px;border:1px solid var(--border);border-radius:20px;background:white;color:var(--ink-soft);cursor:pointer;font-family:inherit;}
.cal-today-btn:hover{border-color:var(--accent);color:var(--accent);}
.cal-grid{display:grid;grid-template-columns:repeat(7, 1fr);gap:3px;}
.cal-weekday{text-align:center;font-size:10px;font-weight:700;color:var(--ink-muted);padding:4px 0;}
.cal-weekday.sun{color:var(--accent);} .cal-weekday.sat{color:var(--sky);}
.cal-day{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:6px;cursor:pointer;font-size:12px;background:var(--bg-soft);border:1px solid transparent;min-height:34px;transition:all 0.15s;text-decoration:none;color:inherit;}
.cal-day:hover{border-color:var(--accent);}
.cal-day.empty{background:transparent;cursor:default;pointer-events:none;}
.cal-day.today{background:var(--accent);color:white;font-weight:700;}
.cal-day.heat-1{background:#fef1ed;}
.cal-day.heat-2{background:#fdd9cf;}
.cal-day.heat-3{background:#f5a593;}
.cal-day.heat-4{background:#e87a63;color:white;}
.cal-day.heat-5{background:var(--accent);color:white;font-weight:700;}
.cal-count{font-size:8px;opacity:0.75;line-height:1;}
.cal-day.today .cal-count, .cal-day.heat-4 .cal-count, .cal-day.heat-5 .cal-count{color:white;}
.cal-legend{display:flex;justify-content:flex-end;align-items:center;gap:6px;margin-top:12px;font-size:10px;color:var(--ink-muted);}
.legend-scale{display:flex;gap:2px;}
.legend-box{width:10px;height:10px;border-radius:2px;}
.legend-box.l0{background:var(--bg-soft);}
.legend-box.l1{background:#fef1ed;}
.legend-box.l2{background:#fdd9cf;}
.legend-box.l3{background:#f5a593;}
.legend-box.l4{background:#e87a63;}
.legend-box.l5{background:var(--accent);}

.empty-state{text-align:center;padding:40px;color:var(--ink-muted);}

/* About page */
.about-content {
  max-width: 720px;
  margin: 32px auto;
  padding: 0 16px;
  line-height: 1.8;
  color: var(--ink);
}
.about-content h2 {
  font-size: 20px;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--ink);
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}
.about-content p {
  margin-bottom: 12px;
}
.about-content ul {
  margin-bottom: 16px;
  padding-left: 24px;
}
.about-content li {
  margin-bottom: 6px;
}
.about-content b {
  color: var(--accent-dark);
  font-weight: 700;
}
body:has(.about-content) .hero{display:none;}
body:has(.about-content) .content-layout{grid-template-columns:1fr;}
body:has(.about-content) .side-content{display:none;}
body:has(.about-content) .section{background:transparent;box-shadow:none;padding:0;border:none;margin:0;}
body:has(.about-content) .section-header{display:none;}

/* カード内メール案の折りたたみ */
.card-mails-details {
  margin-top: 12px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.card-mails-summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--accent-dark);
  list-style: none;
  padding: 4px 0;
  user-select: none;
}
.card-mails-summary::-webkit-details-marker {
  display: none;
}
.card-mails-summary::before {
  content: "▶ ";
  display: inline-block;
  transition: transform 0.15s;
  margin-right: 4px;
}
.card-mails-details[open] .card-mails-summary::before {
  transform: rotate(90deg);
}
.card-mails-summary:hover {
  color: var(--accent);
}
.card-mails-content {
  margin-top: 12px;
  padding-left: 8px;
}

/* 用語ハイライト (ホバー/タップで解説表示) */
.term {
  border-bottom: 1px dotted var(--accent);
  cursor: help;
  position: relative;
  font-weight: 500;
  color: var(--accent-dark);
}
.term:hover,
.term:focus {
  outline: none;
}
.term:hover::after,
.term:focus::after {
  content: attr(data-desc);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  background: var(--ink);
  color: var(--bg);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.5;
  font-weight: 400;
  white-space: normal;
  width: max-content;
  max-width: 320px;
  z-index: 100;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  pointer-events: none;
}
.term:hover::before,
.term:focus::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 12px;
  border: 4px solid transparent;
  border-top-color: var(--ink);
  z-index: 101;
}
@media (max-width: 640px) {
  .term:hover::after,
  .term:focus::after {
    left: 0;
    max-width: calc(100vw - 32px);
  }
}

/* もっと見るボタン */
.more-cards-hidden{display:none;}
.more-cards-hidden.shown{display:block;}
.more-button-wrap{text-align:center;margin:32px 0;}
.more-button{font-family:inherit;font-size:15px;font-weight:700;padding:14px 36px;background:white;color:var(--ink-soft);border:2px solid var(--border-strong);border-radius:30px;cursor:pointer;transition:all 0.2s;box-shadow:0 2px 8px rgba(0,0,0,0.04);}
.more-button:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);box-shadow:0 4px 12px rgba(200,88,63,0.15);}

@media (max-width: 900px){
  .content-layout{grid-template-columns:1fr;}
  .side-content{position:static;order:2;}
  .main-content{order:1;}
}
@media (max-width: 768px){
  .section{margin:16px 0 32px;}
  .hero{padding:16px 16px 12px;}
  .hero::before{display:none;}
  .hero-title{font-size:22px;line-height:1.4;margin:8px 0 8px;}
  .hero-subtitle{font-size:13px;line-height:1.6;margin:0 auto 12px;}
  .hero-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;padding:8px 14px;font-size:11px;margin-top:10px;}
  .hero-meta-item{font-size:12px;}
  .hero-meta-item b{font-size:13px;}
  .stats-info{font-size:11px;margin-top:4px;}
  .header-nav{display:none;}
  .section-header{flex-wrap:nowrap;margin-bottom:16px;padding-bottom:10px;gap:8px;}
  .section-title{font-size:17px;gap:8px;flex:1;min-width:0;}
  .section-title-icon{font-size:20px;flex-shrink:0;}
  .section-desc{font-size:10px;white-space:nowrap;flex-shrink:0;}
  .card-title.short{font-size:18px;}
  .card-title.medium{font-size:16px;}
  .card-title.long{font-size:15px;}
  .card{padding:22px 20px;}
  .container{padding:0 20px;}
  .related-item{grid-template-columns:1fr 24px;gap:4px;}
  .related-source{font-size:10px;grid-column:1;}
  .related-title{grid-column:1;font-size:12px;white-space:normal;}
  .related-arrow{grid-row:1 / span 2;grid-column:2;}
  .pick-card{padding:22px 20px;}
  .pick-title{font-size:19px;}
}
/* 編集者ピックアップ（既存トーンに調和、控えめな差別化） */
.section-picks{margin-bottom:8px;}
.pick-card{background:var(--bg-soft);border:1px solid var(--border);border-left:4px solid var(--gold);border-radius:14px;padding:26px 30px;margin-bottom:20px;}
.pick-header{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap;}
.pick-title{font-family:'Noto Serif JP',serif;font-size:22px;font-weight:700;color:var(--ink);line-height:1.5;}
.pick-meta{font-size:12px;color:var(--ink-soft);white-space:nowrap;}
.pick-meta a{color:var(--ink-soft);text-decoration:underline;}
.pick-meta a:hover{color:var(--accent);}
.pick-block{margin-bottom:16px;}
.pick-block:last-child{margin-bottom:0;}
.pick-block-label{font-size:13px;font-weight:700;color:var(--accent-dark);margin-bottom:8px;display:flex;align-items:center;gap:6px;}
.pick-yuu{background:white;border-radius:10px;padding:16px 20px;font-size:15px;line-height:1.85;}
.pick-yuu h3{font-size:14px;font-weight:700;color:var(--accent-dark);margin:14px 0 6px;}
.pick-yuu h3:first-child{margin-top:0;}
.pick-yuu p{margin:0 0 10px;}
.pick-yuu p:last-child{margin-bottom:0;}
.pick-ai{font-size:14px;line-height:1.85;color:var(--ink);}
.pick-ai p{margin:0 0 8px;}
.pick-ai p:last-child{margin-bottom:0;}
.pick-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;}
.pick-tag{font-size:11px;padding:3px 10px;border-radius:12px;background:var(--bg-warm);color:var(--ink-soft);border:1px solid var(--border);}
.pick-yuu .pick-code{background:#2a2522;color:#fef8ec;padding:14px 16px;border-radius:8px;overflow-x:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.6;margin:10px 0;white-space:pre;}
.pick-yuu .pick-code code{background:transparent;color:inherit;padding:0;font-size:inherit;}
.pick-yuu .pick-code-inline{background:var(--bg-warm);color:var(--accent-dark);padding:1px 6px;border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:0.92em;border:1px solid var(--border);}
.pick-yuu .pick-table{border-collapse:collapse;margin:12px 0;width:100%;font-size:14px;line-height:1.6;}
.pick-yuu .pick-table th,.pick-yuu .pick-table td{border:1px solid var(--border);padding:8px 12px;text-align:left;vertical-align:top;}
.pick-yuu .pick-table thead th{background:var(--bg-warm);color:var(--ink);font-weight:700;}
.pick-yuu .pick-table tbody tr:nth-child(even){background:var(--bg-soft);}
.section-editors-pick{margin:32px 0;}
.editors-pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px;}
.editors-pick-card{display:flex;flex-direction:column;padding:16px;background:var(--bg-warm);border:1px solid var(--border);border-radius:8px;text-decoration:none;color:var(--ink);transition:border-color 0.2s,transform 0.2s;}
.editors-pick-card:hover{border-color:var(--accent);transform:translateY(-2px);}
.pick-card-date{font-size:12px;color:var(--ink-muted);margin-bottom:6px;}
.pick-card-title{font-family:'Noto Serif JP',serif;font-size:16px;font-weight:700;line-height:1.4;margin:0 0 8px 0;color:var(--ink);}
.pick-card-summary{font-size:13px;line-height:1.5;color:var(--ink-soft);margin:0 0 10px 0;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.pick-card-tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:auto;}
.pick-card-tag{font-size:11px;padding:2px 8px;background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;color:var(--ink-soft);}
.editors-pick-more{margin-top:12px;text-align:right;}
.editors-pick-more a{font-size:13px;color:var(--accent);text-decoration:none;font-weight:700;}
.editors-pick-more a:hover{border-bottom:1px solid var(--accent);}
@media(max-width:900px){.editors-pick-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:768px){.editors-pick-grid{grid-template-columns:1fr;}}
.related-pick-link{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:4px 10px;border-radius:10px;background:var(--bg-soft);color:var(--accent-dark);border:1px solid var(--gold);text-decoration:none;margin-top:8px;}
.related-pick-link:hover{background:var(--bg-warm);}
.picks-archive-list{display:flex;flex-direction:column;gap:14px;}
.picks-archive-item{background:white;border:1px solid var(--border);border-left:4px solid var(--gold);border-radius:12px;padding:18px 22px;}
.picks-archive-item a{color:var(--ink);text-decoration:none;display:block;}
.picks-archive-item a:hover .picks-archive-title{color:var(--accent);}
.picks-archive-date{font-size:12px;color:var(--ink-soft);margin-bottom:4px;}
.picks-archive-title{font-family:'Noto Serif JP',serif;font-size:17px;font-weight:700;line-height:1.5;}
.picks-archive-summary{font-size:13px;color:var(--ink-soft);line-height:1.6;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}