/* api.shirugear.com の説明ページ用。shirugear.com の色・余白に合わせた最小限のスタイル
   （CSP で外部の CSS は読めないので、このサブドメインの中に置く） */
:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #f7f9fd;
  --fg: #1a2230;
  --muted: #5a6573;
  --primary: #3b5bdb;
  --primary-soft: #eaeefc;
  --border: #dde2ec;
  --field-border: #7b8597;    /* 入力欄の枠（背景との差 3:1 以上） */
  --primary-fg: #ffffff;
  --brand-grad: linear-gradient(135deg, #3b5bdb 0%, #5b8def 55%, #46c4d4 100%);
  --danger: #d23b3b;
  --code-bg: #f1f3f8;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151c;
    --surface: #1a2029;
    --surface-2: #1f2631;
    --fg: #e6e9ef;
    --muted: #9aa4b2;
    --primary: #7d97f5;
    --primary-soft: #232c45;
    --border: #2c3442;
    --field-border: #6b7688;
    --primary-fg: #11151c;     /* 明るい青の上は暗い文字（4.5:1 以上） */
    --brand-grad: linear-gradient(135deg, #2c3f9e 0%, #3a5bb8 55%, #2f7f8c 100%);
    --danger: #f07070;
    --code-bg: #151a22;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.75;
  font-size: 16px;
}
a { color: var(--primary); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

.site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; gap: 12px; min-height: 56px; flex-wrap: wrap; }
/* ロゴは shirugear.com と同じ（色の帯の中に白いギア＋「シルギア」）。右に「API」の札を添える */
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; text-decoration: none; color: var(--fg); font-size: 18px; }
.brand:hover { opacity: 0.85; }
.brand__logo {
  display: inline-flex; width: 30px; height: 30px; padding: 5px; color: #fff;
  background: var(--brand-grad); border-radius: 9px; box-shadow: 0 1px 2px rgba(16, 24, 40, 0.08);
}
.brand__logo svg { width: 100%; height: 100%; display: block; }
.brand__tag {
  font-size: 12px; line-height: 1; padding: 4px 7px; border-radius: 999px;
  color: var(--primary); background: var(--primary-soft); letter-spacing: 0.04em;
}
.site-header nav { margin-left: auto; display: flex; gap: 16px; font-size: 14px; }

main { padding: 24px 0 48px; }
h1 { font-size: 26px; line-height: 1.4; margin: 8px 0 12px; }
h2 { font-size: 20px; margin: 36px 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
h3 { font-size: 17px; margin: 24px 0 8px; }
.lead { color: var(--muted); margin: 0 0 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 12px 0;
}
.card h3 { margin-top: 0; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; padding: 0; list-style: none; }
.badges li { background: var(--primary-soft); color: var(--primary); border-radius: 999px; padding: 2px 12px; font-size: 14px; }

code, pre { font-family: var(--mono); font-size: 14px; }
code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; word-break: break-all; }
pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  overflow-x: auto;
  line-height: 1.55;
}
pre code { background: none; padding: 0; word-break: normal; }

.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--surface); font-size: 14px; }
th, td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; vertical-align: top; }
th { background: var(--surface-2); white-space: nowrap; }
td code { white-space: nowrap; }
td.url code { white-space: normal; overflow-wrap: anywhere; }

.try { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.try input, .try select {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--field-border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--fg);
  min-width: 0;
}
.try input { width: 12em; }
.try select { max-width: 100%; }
button {
  font: inherit;
  padding: 8px 16px;
  border: 0;
  border-radius: 8px;
  background: var(--primary);
  color: var(--primary-fg);
  cursor: pointer;
}
.status { font-size: 14px; color: var(--muted); margin: 8px 0 0; min-height: 1.5em; }
.status.is-error { color: var(--danger); }
/* 読み込み中: 文字の前に回る輪を出す（回線が遅いときに止まって見えないように） */
.status.is-loading::before {
  content: "";
  display: inline-block;
  width: 0.9em;
  height: 0.9em;
  margin-right: 6px;
  vertical-align: -0.1em;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .status.is-loading::before { animation-duration: 2.4s; }
}
select[aria-busy="true"] { color: var(--muted); }
button:disabled { opacity: 0.6; cursor: progress; }
.result-summary { margin: 8px 0 0; font-weight: 600; }
.note { font-size: 14px; color: var(--muted); }

.site-footer { border-top: 1px solid var(--border); padding: 20px 0 32px; font-size: 14px; color: var(--muted); }
.site-footer nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }

/* ---- 読みやすさ・操作しやすさ ---- */
:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--surface); padding: 6px 12px; border-radius: 6px; z-index: 10; }
.skip:focus { left: 8px; }
.site-header nav a[aria-current="page"] { font-weight: 700; text-decoration-thickness: 2px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin: 0 0 4px; }

.summary { display: grid; gap: 8px; margin: 16px 0; padding: 14px 16px; background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--primary); border-radius: var(--radius); }
.summary div { display: grid; grid-template-columns: 8.5em 1fr; gap: 8px; }
.summary dt { font-weight: 700; }
.summary dd { margin: 0; }
@media (max-width: 520px) { .summary div { grid-template-columns: 1fr; gap: 0; } }

.toc { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 16px; margin: 16px 0; }
.toc-title { font-weight: 700; margin: 0; }
.toc ol { margin: 4px 0 0; padding-left: 1.4em; columns: 2; column-gap: 24px; }
@media (max-width: 520px) { .toc ol { columns: 1; } }

.steps li { margin: 6px 0; }
.chip { font-size: 13px; padding: 2px 10px; margin: 2px 0; background: var(--primary-soft); color: var(--primary); border: 1px solid var(--border); border-radius: 999px; }
.code-details summary, .faq summary { cursor: pointer; font-weight: 600; padding: 6px 0; }
.faq details { border-bottom: 1px solid var(--border); padding: 4px 0; }
.faq details p { margin: 4px 0 10px; }
.changelog dt { font-weight: 700; margin-top: 8px; }
.changelog dd { margin: 0 0 0 1em; }
.words dt { font-weight: 700; margin-top: 10px; }
.words dd { margin: 0 0 0 1em; }

/* 表の中で折り返さないセル（日付など） */
.nowrap { white-space: nowrap; }

/* カードの中の小見出し */
.card h4 { font-size: 15px; margin: 16px 0 6px; }
/* 本文の長い URL がスマホ幅ではみ出さないように */
main a { overflow-wrap: anywhere; }

/* ---------- コピーボタン（api.js） ---------- */
.pre-wrap { position: relative; }
.pre-wrap pre { padding-top: 34px; }
.copy-btn {
  position: absolute; top: 6px; right: 6px;
  padding: 3px 10px; font-size: 12px; line-height: 1.6;
  background: var(--surface); color: var(--primary);
  border: 1px solid var(--border); border-radius: 6px; cursor: pointer;
}
.copy-btn:hover { background: var(--primary-soft); }
.copy-btn.is-done { color: var(--fg); }

/* ---------- 言語の切り替えタブ（api.js） ---------- */
/* JavaScript が動かないときは、すべての言語を見出しつきで縦に並べる */
.tabs { margin: 12px 0; }
.tabs > .tab-panel::before {
  content: attr(data-label); display: block;
  font-size: 13px; font-weight: 700; color: var(--muted); margin: 8px 0 -6px;
}
.tabs.is-ready > .tab-panel::before { content: none; }
.tabs.is-ready > .tab-panel[hidden] { display: none; }
.tab-list { display: flex; flex-wrap: wrap; gap: 4px; border-bottom: 1px solid var(--border); }
.tab {
  padding: 6px 14px; font-size: 14px; border-radius: 8px 8px 0 0;
  background: transparent; color: var(--muted); border: 1px solid transparent; border-bottom: 0;
  margin-bottom: -1px; cursor: pointer;
}
.tab[aria-selected="true"] {
  background: var(--code-bg); color: var(--fg); font-weight: 700;
  border-color: var(--border);
}
.tabs.is-ready pre { margin-top: 0; border-top-left-radius: 0; }

/* ---------- 目次の追従（api.js） ---------- */
html { scroll-padding-top: 16px; }
.toc-side, .toc-fab, .toc-sheet { display: none; }
@media (min-width: 1320px) {
  .toc-past .toc-side {
    display: block; position: fixed; top: 24px;
    left: calc(50% + 446px); width: 210px;
    max-height: calc(100vh - 48px); overflow-y: auto;
    font-size: 13px; line-height: 1.5;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 10px 12px;
  }
}
.toc-side__title { font-weight: 700; margin: 0 0 4px; }
.toc-side ol, .toc-sheet ol { margin: 0; padding: 0; list-style: none; }
.toc-side li a, .toc-sheet li a {
  display: block; padding: 4px 8px; border-radius: 6px; text-decoration: none; color: var(--fg);
}
.toc-side li a:hover, .toc-sheet li a:hover { background: var(--surface-2); }
.toc-side li a[aria-current], .toc-sheet li a[aria-current] {
  background: var(--primary-soft); color: var(--primary); font-weight: 700;
}
.toc-side__top { display: block; margin-top: 8px; padding: 4px 8px; font-size: 12px; }
@media (max-width: 1319px) {
  .toc-past .toc-fab {
    display: block; position: fixed; right: 16px; bottom: 16px; z-index: 20;
    padding: 10px 16px; border-radius: 999px; font-weight: 700;
    background: var(--primary); color: var(--primary-fg); border: 0;
    box-shadow: 0 4px 14px rgba(16, 24, 40, 0.22); cursor: pointer;
  }
  .toc-past .toc-sheet:not([hidden]) {
    display: block; position: fixed; right: 16px; bottom: 66px; z-index: 20;
    width: min(320px, calc(100vw - 32px)); max-height: 60vh; overflow-y: auto;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 8px; font-size: 14px; line-height: 1.5;
    box-shadow: 0 8px 28px rgba(16, 24, 40, 0.25);
  }
}
@media print { .toc-side, .toc-fab, .toc-sheet, .copy-btn { display: none !important; } }

/* トップの「やりたいことから選ぶ」「比較」表 */
.choose td:first-child { width: 58%; }
.compare th[scope="row"] { width: 8em; }
.compare td { min-width: 9em; }

/* 折りたたんだ一覧 */
details.more { margin: 10px 0; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
details.more > summary {
  cursor: pointer; padding: 10px 14px; font-weight: 600; color: var(--primary);
  list-style: none;
}
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::before { content: "▸"; display: inline-block; width: 1.2em; transition: transform .15s; }
details.more[open] > summary::before { transform: rotate(90deg); }
details.more[open] > summary { border-bottom: 1px solid var(--border); }
details.more > .table-scroll, details.more > table, details.more > dl { margin: 0; padding: 8px 10px; }
details.more > dl { padding: 4px 14px 12px; }