/* quake.nakn.jp — 共通のスタイル
 *
 * 色：夜の画面で見やすい濃い紺の地に、気象庁の震度の色。目立たせる色は震度5弱の黄色。
 * 文字：見出し Zen Kaku Gothic New、本文 Noto Sans JP、コード JetBrains Mono。
 */
:root {
  --bg: #0B1220;
  --surface: #121B2E;
  --code-bg: #0E1626;
  --line: #22304A;
  --line-soft: #1C2840;
  --line-strong: #33425E;
  --text: #E8EDF5;
  --text-2: #C9D3E3;
  --text-3: #B6C2D6;
  --text-4: #A3B0C6;
  --muted: #8796AF;
  --accent: #FFE600;
  --on-accent: #14110A;
  --link: #8CCBFF;
  --link-hover: #C2E3FF;
  --eew: #FF6A4D;
  /* 気象庁の震度の色 */
  --i1: #F2F2FF; --i2: #00AAFF; --i3: #0041FF; --i4: #FAE696; --i5l: #FFE600;
  --i5u: #FF9900; --i6l: #FF2800; --i6u: #A50021; --i7: #B40068;
  --font-display: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--link); }
a:hover { color: var(--link-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
code, pre { font-family: var(--font-mono); }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 10; background: var(--accent); color: var(--on-accent); padding: 8px 14px; border-radius: 8px; font-weight: 700; }
.skip:focus { left: 8px; }

/* ---- 震度の色の帯 ---- */
.scale-bar { display: grid; grid-template-columns: repeat(9, minmax(0, 1fr)); height: 6px; }
.scale-bar span:nth-child(1) { background: var(--i1); }
.scale-bar span:nth-child(2) { background: var(--i2); }
.scale-bar span:nth-child(3) { background: var(--i3); }
.scale-bar span:nth-child(4) { background: var(--i4); }
.scale-bar span:nth-child(5) { background: var(--i5l); }
.scale-bar span:nth-child(6) { background: var(--i5u); }
.scale-bar span:nth-child(7) { background: var(--i6l); }
.scale-bar span:nth-child(8) { background: var(--i6u); }
.scale-bar span:nth-child(9) { background: var(--i7); }

/* ---- 枠 ---- */
.wrap { max-width: 1200px; margin: 0 auto; padding-inline: 24px; }
@media (max-width: 480px) { .wrap { padding-inline: 16px; } }
.section { padding-block: 88px 40px; display: flex; flex-direction: column; gap: 32px; }
.section--tight { padding-block: 72px 40px; }

/* ---- ヘッダー ---- */
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 16px; padding-block: 20px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.logo:hover { color: var(--text); }
.logo span { font-family: var(--font-display); font-weight: 900; font-size: 20px; letter-spacing: 0.02em; }
.site-nav { display: flex; flex-wrap: wrap; gap: 4px 24px; font-size: 15px; font-weight: 500; }
.site-nav a { color: var(--text-2); text-decoration: none; padding-block: 8px; }
.site-nav a:hover { color: var(--text); }
.site-nav a[aria-current="page"] { color: var(--accent); }

/* ---- 文字 ---- */
.eyebrow { margin: 0; font-size: 13px; font-weight: 700; letter-spacing: 0.16em; color: var(--muted); }
.eyebrow--accent { color: var(--accent); font-size: 14px; }
.eyebrow--eew { color: var(--eew); }
.display { margin: 0; font-family: var(--font-display); font-weight: 900; font-size: clamp(38px, 6vw, 60px); line-height: 1.22; letter-spacing: 0.01em; }
.h2 { margin: 0; font-family: var(--font-display); font-weight: 900; font-size: clamp(28px, 3.6vw, 36px); line-height: 1.35; }
.h3 { margin: 0; font-family: var(--font-display); font-weight: 900; font-size: 24px; }
.lead { margin: 0; font-size: 18px; line-height: 1.9; color: var(--text-3); max-width: 560px; }
.body { margin: 0; font-size: 16px; line-height: 1.9; color: var(--text-3); }
.small { margin: 0; font-size: 15px; line-height: 1.8; color: var(--text-4); }
.heading { display: flex; flex-direction: column; gap: 10px; }
.mono-accent { font-family: var(--font-mono); color: var(--accent); }

/* ---- ボタン ---- */
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 24px; border-radius: 10px; font-weight: 700; font-size: 16px; text-decoration: none; transition: filter .15s, border-color .15s; }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { color: var(--on-accent); filter: brightness(1.08); }
.btn--ghost { border: 1px solid var(--line-strong); color: var(--text); }
.btn--ghost:hover { color: var(--text); border-color: var(--muted); }
.btn--mono { font-family: var(--font-mono); font-size: 15px; }

/* ---- ヒーロー ---- */
.hero { padding-block: 64px 72px; display: flex; flex-wrap: wrap; align-items: center; gap: 56px; }
.hero__text { flex: 1 1 440px; min-width: 0; display: flex; flex-direction: column; gap: 26px; }
.hero__visual { flex: 1 1 520px; min-width: 0; position: relative; }
.shot { width: 100%; border-radius: 14px; border: 1px solid var(--line); }
.shot--lift { box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45); }
.badge-float { position: absolute; left: -20px; bottom: -24px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; display: flex; flex-direction: column; gap: 4px; box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45); }
.badge-float small { font-size: 12px; color: var(--muted); }
.badge-float strong { font-family: var(--font-mono); font-weight: 600; font-size: 22px; color: var(--accent); }
@media (max-width: 640px) { .badge-float { left: 12px; bottom: -20px; } }

/* ---- カード ---- */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 16px; }
.grid--wide { gap: 20px; }
.grid--narrow { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 12px; }
.card { padding: 26px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 12px; }
.card--accent { border-color: var(--accent); }
.card h3 { margin: 0; font-size: 19px; font-weight: 700; }
.card p { margin: 0; font-size: 15px; line-height: 1.8; color: var(--text-4); }
.card .icon { width: 28px; height: 28px; color: var(--accent); }
.card .label { font-family: var(--font-mono); font-size: 14px; color: var(--link); }
.card--accent .label { color: var(--accent); }

.service { padding: 28px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 18px; text-decoration: none; color: var(--text); transition: border-color .15s, transform .15s; }
.service:hover { color: var(--text); border-color: var(--line-strong); transform: translateY(-2px); }
.service__top { display: flex; align-items: center; justify-content: space-between; font-size: 13px; font-weight: 700; color: var(--muted); }
.service h3 { margin: 0; font-family: var(--font-display); font-weight: 900; font-size: 30px; }
.service p { margin: 0; font-size: 15px; line-height: 1.8; color: var(--text-3); }
.service img, .service .snippet { margin-top: auto; border-radius: 10px; }
.snippet { background: var(--bg); border: 1px solid var(--line); padding: 16px; font-family: var(--font-mono); font-size: 13px; line-height: 1.8; color: var(--text-2); white-space: pre; overflow-x: auto; }

/* ---- しくみ ---- */
.flow { display: flex; flex-wrap: wrap; align-items: stretch; gap: 12px; }
.flow__step { flex: 1 1 200px; padding: 22px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.flow__step--accent { border-color: var(--accent); }
.flow__step .n { font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.flow__step--accent .n { color: var(--accent); }
.flow__step strong { font-size: 18px; }
.flow__step span:last-child { font-size: 14px; line-height: 1.7; color: var(--text-4); }
.flow__arrow { flex: 0 0 auto; display: flex; align-items: center; color: #4A5A78; }
@media (max-width: 720px) { .flow__arrow { width: 100%; justify-content: center; transform: rotate(90deg); } }

/* ---- 上に線のある項目 ---- */
.points { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 40px 48px; }
.point { display: flex; flex-direction: column; gap: 12px; border-top: 2px solid var(--c, var(--accent)); padding-top: 24px; }
.point h3 { margin: 0; font-family: var(--font-display); font-weight: 900; font-size: 22px; }
.point p { margin: 0; font-size: 15px; line-height: 1.9; color: var(--text-3); }

/* ---- 横並び（画像と文） ---- */
.split { display: flex; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 48px; }
.split--reverse { flex-wrap: wrap-reverse; }
.split__media { flex: 1 1 520px; min-width: 0; }
.split__text { flex: 1 1 380px; min-width: 0; display: flex; flex-direction: column; gap: 18px; }

/* ---- 最後の呼びかけ ---- */
.cta { padding-block: 96px 104px; }
.cta__box { border-radius: 20px; background: var(--surface); border: 1px solid var(--line); padding: 56px 40px; display: flex; flex-direction: column; align-items: center; gap: 22px; text-align: center; }
.cta__box .actions { justify-content: center; }
@media (max-width: 480px) { .cta__box { padding: 40px 20px; } }
.cmd { display: block; font-family: var(--font-mono); font-size: 15px; color: var(--accent); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 14px 20px; max-width: 100%; overflow-x: auto; white-space: nowrap; }

/* ---- フッター ---- */
.site-footer { border-top: 1px solid var(--line-soft); }
.site-footer .wrap { padding-block: 32px 40px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; font-size: 13px; color: var(--muted); }

/* ---- Discord の再現 ---- */
.discord { background: #313338; border-radius: 14px; padding: 20px; box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5); color: #DBDEE1; font-size: 14px; }
.discord__channel { display: flex; align-items: center; gap: 8px; padding-bottom: 14px; margin-bottom: 16px; border-bottom: 1px solid #3F4147; font-size: 15px; font-weight: 700; }
.discord__msg { display: flex; gap: 14px; }
.discord__avatar { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 50%; background: var(--bg); display: flex; align-items: center; justify-content: center; }
.discord__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.discord__name { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.discord__name strong { color: #F2F3F5; font-size: 15px; }
.discord__app { background: #5865F2; color: #FFFFFF; font-size: 10px; font-weight: 700; padding: 1px 5px; border-radius: 4px; }
.discord__time { color: #949BA4; font-size: 12px; }
.discord__embed { display: flex; border-radius: 4px; overflow: hidden; background: #2B2D31; max-width: 520px; }
.discord__embed::before { content: ""; width: 4px; flex: 0 0 4px; background: var(--embed, #A50021); }
.discord__embed-body { flex: 1; min-width: 0; padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 10px; }
.discord__embed-body strong { color: #F2F3F5; }
.discord__fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 12px; font-size: 13px; }
.discord__fields div { display: flex; flex-direction: column; gap: 2px; }
.discord__panel { background: #2B2D31; border-left: 4px solid #5865F2; border-radius: 6px; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.discord__buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.discord__btn { background: #4E5058; color: #FFFFFF; border-radius: 6px; padding: 6px 12px; font-size: 13px; font-weight: 700; }
.discord__btn--primary { background: #5865F2; }
.discord__btn--danger { background: #DA373C; }
.discord__select { display: flex; justify-content: space-between; align-items: center; background: #1E1F22; border-radius: 6px; padding: 10px 12px; }
.discord__rule { height: 1px; background: #3F4147; }

.commands { display: flex; flex-direction: column; gap: 10px; font-size: 15px; }
.commands div { display: flex; gap: 14px; align-items: baseline; }
.commands code { color: var(--accent); min-width: 96px; }
.commands span { color: var(--text-2); }

/* ---- コード ---- */
.code { background: var(--code-bg); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45); }
.code__bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--surface); }
.code__bar i { width: 10px; height: 10px; border-radius: 50%; }
.code__bar span { margin-left: 8px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.code pre, pre.code-block { margin: 0; padding: 20px 22px; font-size: 14px; line-height: 1.85; color: var(--text-2); overflow-x: auto; }
pre.code-block { background: var(--code-bg); border: 1px solid var(--line); border-radius: 14px; font-size: 13px; line-height: 1.8; }
.tk-k { color: #C792EA; } .tk-s { color: #C3E88D; } .tk-c { color: var(--muted); } .tk-p { color: var(--link); }

/* ---- 表 ---- */
.table-box { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
.table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 15px; }
.table th { text-align: left; padding: 14px 20px; background: var(--surface); color: var(--muted); font-size: 13px; font-weight: 700; }
.table td { padding: 14px 20px; border-top: 1px solid var(--line-soft); color: var(--text-3); vertical-align: top; }
.table td:first-child, .table td.mono { white-space: nowrap; }
.table .mono { font-family: var(--font-mono); color: var(--text); }
.table .m-ws { font-family: var(--font-mono); color: var(--accent); }
.table .m-get { font-family: var(--font-mono); color: var(--link); }

/* ---- 統計の箱・見られる情報 ---- */
.stat { padding: 26px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; }
.stat strong { font-family: var(--font-display); font-weight: 900; font-size: 34px; }
.stat strong.num { font-family: var(--font-mono); font-weight: 600; font-size: 40px; color: var(--accent); }
.stat span { font-size: 15px; color: var(--text-3); }
.kind { padding: 20px 22px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); display: flex; gap: 14px; align-items: flex-start; }
.kind i { width: 14px; height: 14px; flex: 0 0 14px; margin-top: 5px; border-radius: 3px; background: var(--c); }
.kind i.line { height: 4px; margin-top: 10px; border-radius: 2px; }
.kind i.dot { border-radius: 50%; }
.kind div { display: flex; flex-direction: column; gap: 4px; }
.kind strong { font-size: 16px; }
.kind span { font-size: 14px; line-height: 1.7; color: var(--text-4); }

.map-hero { display: flex; flex-direction: column; gap: 40px; padding-block: 64px 40px; }
.map-hero__top { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 32px; }
.map-hero__top > div:first-child { flex: 1 1 560px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.map-hero img { border-radius: 16px; }

/* ---- ドキュメント ---- */
.doc-title { padding-block: 40px 32px; display: flex; flex-direction: column; gap: 16px; border-bottom: 1px solid var(--line-soft); }
.doc-title h1 { margin: 0; font-family: var(--font-display); font-weight: 900; font-size: clamp(32px, 5vw, 44px); }
.endpoints { display: flex; flex-wrap: wrap; gap: 10px; font-family: var(--font-mono); font-size: 13px; }
.endpoints span { padding: 8px 12px; border-radius: 8px; background: var(--surface); border: 1px solid var(--line); overflow-wrap: anywhere; }
.endpoints b { color: var(--muted); font-weight: 400; margin-right: 8px; }
.doc-layout { padding-block: 32px 96px; display: flex; flex-wrap: wrap; align-items: flex-start; gap: 48px; }
.toc { flex: 1 1 220px; max-width: 260px; display: flex; flex-direction: column; gap: 2px; padding-top: 24px; position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow-y: auto; }
.toc > span { padding: 0 12px 10px; font-size: 12px; font-weight: 700; letter-spacing: 0.12em; color: var(--muted); }
.toc a { display: block; padding: 7px 12px; border-radius: 8px; color: var(--text-4); text-decoration: none; font-size: 14px; }
.toc a:hover { background: var(--surface); color: var(--text); }
@media (max-width: 860px) { .toc { position: static; max-width: none; max-height: none; flex-basis: 100%; flex-direction: row; flex-wrap: wrap; padding-top: 0; } .toc > span { width: 100%; } }
.doc { flex: 999 1 640px; min-width: 0; display: flex; flex-direction: column; gap: 22px; }
.doc h2 { margin: 0; padding-top: 24px; font-family: var(--font-display); font-weight: 900; font-size: 30px; scroll-margin-top: 24px; }
.doc h3 { margin: 0; font-size: 19px; font-weight: 700; }
.doc p, .doc li { margin: 0; font-size: 15px; line-height: 1.9; color: var(--text-3); }
.doc ul, .doc ol { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 6px; }
.doc code { font-size: 0.92em; color: var(--accent); }
.doc pre code { color: inherit; font-size: inherit; }
.doc strong { color: var(--text); }
.doc .table { font-size: 14px; }
.doc .table th { padding: 11px 16px; font-size: 12px; }
.doc .table td { padding: 11px 16px; line-height: 1.7; }
.note { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 10px; padding: 14px 18px; }
.scale { display: grid; grid-template-columns: repeat(auto-fit, minmax(84px, 1fr)); gap: 8px; }
.scale div { border-radius: 8px; padding: 10px; font-size: 13px; font-weight: 700; display: flex; flex-direction: column; gap: 2px; color: var(--on-accent); }
.scale div span:first-child { font-family: var(--font-mono); }
.scale .w { color: #FFFFFF; }