/* 設計ドキュメントサイト。配色・書体は apps/web/src/styles.css のトークンに合わせる。 */
:root {
  --font-sans: "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --color-canvas: #f4f6f9;
  --color-surface: #ffffff;
  --color-surface-muted: #f7f9fc;
  --color-border: #e3e8f0;
  --color-border-strong: #c9d3e0;
  --color-ink: #19233a;
  --color-ink-muted: #44536e;
  --color-ink-subtle: #5c6b87;
  --color-brand: #e53935;
  --color-action: #1f3c6e;
  --color-action-hover: #18305a;
  --color-accent: #1c4587;
  --color-app-header: #152a4e;
  --color-app-header-ink: #b7c4dc;
  --color-app-header-soft: #20395f;
  --color-status-ok: #046c4e;
  --color-status-ok-bg: #d8f2e5;
  --color-status-warn: #8a4a04;
  --color-status-warn-bg: #fdf0d2;
  --color-status-info: #1849a9;
  --color-status-info-bg: #dae4f7;
  --color-status-neutral: #475467;
  --color-status-neutral-bg: #e9edf3;
  --color-status-error: #b42318;
  --color-status-error-bg: #fee4e2;
  --toc-width: 264px;
  --content-max: 960px;
}
/* ダークモード(ヘッダーの切替で選択。既定はライト) */
:root[data-theme="dark"] {
  --color-canvas: #0f1624;
  --color-surface: #161f30;
  --color-surface-muted: #1c2638;
  --color-border: #2a3650;
  --color-border-strong: #3a4a68;
  --color-ink: #e6ebf4;
  --color-ink-muted: #b7c2d6;
  --color-ink-subtle: #8e9bb5;
  --color-action: #8db1ea;
  --color-action-hover: #a9c4f0;
  --color-accent: #9dbcf0;
  --color-status-ok: #6fd3a8; --color-status-ok-bg: #123b2c;
  --color-status-warn: #f2c66d; --color-status-warn-bg: #3d2a08;
  --color-status-info: #9dbcf0; --color-status-info-bg: #1a2c4e;
  --color-status-neutral: #c2cbdb; --color-status-neutral-bg: #2a3448;
  --color-status-error: #f4a09a; --color-status-error-bg: #4a1a17;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--color-canvas); color: var(--color-ink);
  font-family: var(--font-sans); font-size: 15px; line-height: 1.75;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
a { color: var(--color-action); text-decoration: none; }
a:hover { color: var(--color-action-hover); text-decoration: underline; }
code { font-family: var(--font-mono); font-size: 0.9em; background: var(--color-surface-muted); border: 1px solid var(--color-border); border-radius: 4px; padding: 0 .35em; }
pre { background: var(--color-surface-muted); border: 1px solid var(--color-border); border-radius: 8px; padding: 12px 16px; overflow-x: auto; }
pre code { border: 0; background: none; padding: 0; }

/* ヘッダ */
.site-header { position: sticky; top: 0; z-index: 10; background: var(--color-app-header); color: #fff; border-bottom: 3px solid var(--color-brand); }
.site-header-inner { max-width: calc(var(--toc-width) + var(--content-max) + 64px); margin: 0 auto; padding: 0 16px; display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; }
.brand { display: flex; align-items: baseline; gap: 10px; color: #fff; text-decoration: none; white-space: nowrap; }
.brand:hover { text-decoration: none; color: #fff; }
.brand-mark { align-self: center; width: 12px; height: 12px; border-radius: 3px; background: var(--color-brand); }
.brand-name { font-weight: 700; letter-spacing: .02em; }
.brand-sub { color: var(--color-app-header-ink); font-size: 13px; }
.site-header-right { display: flex; align-items: center; gap: 4px; }
.site-nav { display: flex; gap: 4px; }
.site-nav a { color: var(--color-app-header-ink); padding: 6px 12px; border-radius: 6px; font-size: 14px; }
.site-nav a:hover { background: var(--color-app-header-soft); color: #fff; text-decoration: none; }
.site-nav a.active { background: var(--color-app-header-soft); color: #fff; font-weight: 600; }

/* レイアウト */
.page { max-width: calc(var(--toc-width) + var(--content-max) + 64px); margin: 0 auto; padding: 24px 16px 64px; display: grid; grid-template-columns: var(--toc-width) minmax(0, 1fr); gap: 32px; }
.page:has(> main:only-child) { grid-template-columns: minmax(0, 1fr); }
.toc { position: sticky; top: 76px; align-self: start; max-height: calc(100vh - 92px); overflow-y: auto; font-size: 13px; padding-right: 8px; }
.toc-title { font-weight: 700; color: var(--color-ink-subtle); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--color-border); }
.toc li a { display: block; padding: 4px 10px; color: var(--color-ink-muted); border-left: 2px solid transparent; margin-left: -2px; line-height: 1.4; }
.toc li a:hover { color: var(--color-action); border-left-color: var(--color-action); text-decoration: none; background: var(--color-surface); }
.toc li.toc-3 a { padding-left: 22px; font-size: 12.5px; color: var(--color-ink-subtle); }
.doc { min-width: 0; }
.doc-head { background: var(--color-surface); border: 1px solid var(--color-border); border-top: 4px solid var(--color-app-header); border-radius: 10px; padding: 24px 28px 18px; margin-bottom: 20px; }
.doc-kind { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--color-brand); margin-bottom: 4px; }
.doc-head h1 { margin: 0 0 12px; font-size: 26px; line-height: 1.35; letter-spacing: .01em; }
.meta { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; font-size: 13.5px; color: var(--color-ink-muted); }
.meta-row { display: contents; }
.meta dt { font-weight: 700; color: var(--color-ink-subtle); white-space: nowrap; }
.meta dd { margin: 0; }
.doc-foot { margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--color-border); color: var(--color-ink-subtle); font-size: 12.5px; }

/* 本文 */
.prose { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 10px; padding: 8px 28px 28px; }
.prose > :first-child { margin-top: 12px; }
.prose h2 { font-size: 21px; margin: 44px 0 14px; padding-bottom: 8px; border-bottom: 2px solid var(--color-border-strong); position: relative; }
.prose h2::before { content: ""; position: absolute; left: 0; bottom: -2px; width: 48px; height: 2px; background: var(--color-brand); }
.prose h3 { font-size: 17px; margin: 30px 0 10px; color: var(--color-accent); }
.prose h4 { font-size: 15px; margin: 22px 0 8px; }
.prose h2:first-child, .prose h3:first-child { margin-top: 12px; }
.anchor { float: right; opacity: 0; font-weight: 400; color: var(--color-ink-subtle); font-size: .9em; }
h2:hover .anchor, h3:hover .anchor { opacity: 1; }
.prose p { margin: 10px 0; }
.prose ul, .prose ol { padding-left: 1.5em; margin: 8px 0; }
.prose li { margin: 3px 0; }
.prose blockquote { margin: 14px 0; padding: 10px 16px; border-left: 4px solid var(--color-accent); background: var(--color-surface-muted); color: var(--color-ink-muted); border-radius: 0 6px 6px 0; }
.prose blockquote p { margin: 4px 0; }
.prose hr { border: 0; border-top: 1px solid var(--color-border); margin: 32px 0; }
.prose strong { color: var(--color-ink); }
.table-wrap { overflow-x: auto; margin: 14px 0; border: 1px solid var(--color-border); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; line-height: 1.55; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--color-border); vertical-align: top; text-align: left; }
th { background: var(--color-surface-muted); color: var(--color-ink-muted); font-weight: 700; font-size: 12.5px; white-space: nowrap; border-bottom: 2px solid var(--color-border-strong); }
tbody tr:nth-child(even) td { background: color-mix(in srgb, var(--color-surface-muted) 55%, transparent); }
tbody tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 600; color: var(--color-ink-muted); min-width: 4.5em; }

/* チップ */
.chip { display: inline-block; font-size: 11.5px; font-weight: 700; line-height: 1; padding: 4px 8px; border-radius: 999px; white-space: nowrap; vertical-align: middle; letter-spacing: .02em; }
.chip-done { color: var(--color-status-ok); background: var(--color-status-ok-bg); }
.chip-next { color: var(--color-status-info); background: var(--color-status-info-bg); }
.chip-later { color: var(--color-status-neutral); background: var(--color-status-neutral-bg); }
.chip-open { color: var(--color-status-warn); background: var(--color-status-warn-bg); }
.chip-neutral { color: var(--color-status-neutral); background: var(--color-status-neutral-bg); }

/* 索引 */
.lead { font-size: 16px; color: var(--color-ink-muted); margin: 12px 0 20px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; margin: 8px 0 28px; }
.card { display: block; background: var(--color-surface-muted); border: 1px solid var(--color-border); border-radius: 10px; padding: 18px 20px; color: inherit; transition: border-color .15s, transform .15s; }
.card:hover { text-decoration: none; border-color: var(--color-action); transform: translateY(-1px); color: inherit; }
.card-kind { font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--color-brand); }
.card h2 { margin: 4px 0 8px; font-size: 18px; border: 0; padding: 0; }
.card h2::before { display: none; }
.card p { margin: 0 0 10px; color: var(--color-ink-muted); font-size: 13.5px; }
.card-meta { font-size: 12.5px; color: var(--color-ink-subtle); }
.note h2 { font-size: 17px; }

/* モバイル */
@media (max-width: 900px) {
  .page { grid-template-columns: minmax(0, 1fr); gap: 16px; padding: 16px 16px 48px; }
  .toc { position: static; max-height: none; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 10px; padding: 14px 16px; }
  .prose, .doc-head { padding-left: 16px; padding-right: 16px; }
  .brand-sub { display: none; }
  .site-nav a { padding: 6px 8px; font-size: 13px; }
  .theme-toggle .theme-label { display: none; }
}

/* 印刷(納品は PDF) */
@media print {
  :root { --color-canvas: #fff; }
  body { font-size: 11pt; }
  .site-header, .toc, .anchor { display: none !important; }
  .page { display: block; padding: 0; max-width: none; }
  .doc-head, .prose { border: 0; padding: 0; box-shadow: none; }
  .doc-head { border-bottom: 2px solid #000; border-radius: 0; margin-bottom: 18pt; }
  .prose h2 { break-before: page; page-break-before: always; margin-top: 0; }
  .prose h2:first-of-type { break-before: auto; page-break-before: auto; }
  .table-wrap { overflow: visible; border: 0; }
  table { font-size: 9.5pt; }
  th, td { border: 1px solid #999; }
  tr, .card, blockquote { break-inside: avoid; }
  a { color: inherit; }
  .chip { border: 1px solid #999; }
}

/* テーマ切替ボタン */
.theme-toggle { display: inline-flex; align-items: center; gap: 6px; margin-left: 8px; padding: 6px 10px; border-radius: 6px; border: 1px solid var(--color-app-header-soft); background: transparent; color: var(--color-app-header-ink); font: inherit; font-size: 13px; cursor: pointer; }
.theme-toggle:hover { background: var(--color-app-header-soft); color: #fff; }
.theme-toggle .icon-sun, .theme-toggle .icon-moon { width: 14px; height: 14px; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
:root:not([data-theme="dark"]) .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .site-header { background: #0b1220; }
:root[data-theme="dark"] .doc-head { border-top-color: var(--color-accent); }
:root[data-theme="dark"] .card { background: var(--color-surface); }
:root[data-theme="dark"] tbody tr:nth-child(even) td { background: color-mix(in srgb, var(--color-surface-muted) 70%, transparent); }
@media print { .theme-toggle { display: none !important; } :root[data-theme="dark"] { --color-canvas: #fff; --color-surface: #fff; --color-surface-muted: #f4f4f4; --color-ink: #000; --color-ink-muted: #222; --color-ink-subtle: #444; --color-border: #bbb; --color-border-strong: #888; } }

/* トップページ: 文書ごとのパネルとボタン */
.doc-panels { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin: 16px 0 32px; }
.doc-panel { display: flex; flex-direction: column; background: var(--color-surface-muted); border: 1px solid var(--color-border); border-top: 4px solid var(--color-accent); border-radius: 10px; padding: 20px 22px 18px; }
.doc-panel:nth-child(odd) { border-top-color: var(--color-brand); }
.doc-panel h2 { margin: 4px 0 8px; font-size: 20px; border: 0; padding: 0; }
.doc-panel h2::before { display: none; }
.doc-panel p { margin: 0 0 8px; color: var(--color-ink-muted); font-size: 13.5px; }
.chapter-list { list-style: none; margin: 10px 0 16px; padding: 0 0 0 2px; font-size: 13px; color: var(--color-ink-muted); }
.chapter-list li { margin: 2px 0; }
.chapter-list a { color: var(--color-ink-muted); }
.chapter-list a:hover { color: var(--color-action); }
.doc-panel-actions { margin-top: auto; padding-top: 6px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 8px; font-size: 14.5px; font-weight: 700; text-decoration: none; border: 1px solid transparent; transition: background .15s, transform .15s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--color-action); color: #fff; }
.btn-primary:hover { background: var(--color-action-hover); color: #fff; }
.btn-arrow { font-weight: 400; }
:root[data-theme="dark"] .btn-primary { background: #2f5aa8; }
:root[data-theme="dark"] .btn-primary:hover { background: #3a6bc4; }
@media print { .doc-panel-actions { display: none; } }

/* コード欄のコピーボタン */
.pre-wrap { position: relative; }
.pre-wrap pre { padding-right: 88px; }
.copy-btn { position: absolute; top: 8px; right: 8px; padding: 4px 10px; font: inherit; font-size: 12px; font-weight: 600; color: var(--color-action); background: var(--color-surface); border: 1px solid var(--color-border-strong); border-radius: 6px; cursor: pointer; opacity: .85; }
.copy-btn:hover { opacity: 1; background: var(--color-surface-muted); }
.copy-btn.copied { color: var(--color-status-ok); border-color: var(--color-status-ok); }
@media print { .copy-btn { display: none; } }

/* 構成図ページ */
.diagram-frame { background: #ffffff; border: 1px solid var(--color-border); border-radius: 10px; padding: 12px; overflow-x: auto; margin: 12px 0 20px; }
.diagram-frame svg { width: 100%; min-width: 960px; display: block; }
:root[data-theme="dark"] .diagram-frame { border-color: var(--color-border-strong); }
.cards-3 { display: grid; grid-template-columns: 1.3fr 1fr 0.9fr; gap: 16px; margin: 8px 0 8px; }
.card-note { background: var(--color-surface-muted); border: 1px solid var(--color-border); border-radius: 10px; padding: 16px 18px; font-size: 13.5px; }
.card-note ol, .card-note ul { padding-left: 1.3em; margin: 6px 0 0; }
.card-note li { margin: 4px 0; color: var(--color-ink-muted); }
.card-note li strong { color: var(--color-ink); }
@media (max-width: 900px) { .cards-3 { grid-template-columns: 1fr; } }

/* ヘッダの「図」ドロップダウン */
.nav-menu { position: relative; }
.nav-menu summary { list-style: none; cursor: pointer; color: var(--color-app-header-ink); padding: 6px 12px; border-radius: 6px; font-size: 14px; }
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-menu summary:hover, .nav-menu[open] summary, .nav-menu[data-active] summary { background: var(--color-app-header-soft); color: #fff; }
.nav-menu[data-active] summary { font-weight: 600; }
.nav-menu-list { position: absolute; right: 0; top: calc(100% + 6px); min-width: 180px; background: var(--color-app-header); border: 1px solid var(--color-app-header-soft); border-radius: 8px; padding: 6px; display: flex; flex-direction: column; gap: 2px; z-index: 20; box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.nav-menu-list a { display: block; }
.doc-panels-fig .doc-panel { padding: 16px 18px 14px; }
.doc-panels-fig .doc-panel h2 { font-size: 17px; }
.doc-panels-fig .btn { padding: 8px 14px; font-size: 13.5px; }
.prose > h2#文書, .prose > h2#図, .prose > h2#スケジュール { margin-top: 20px; }
/* 操作説明のスクリーンショット */
figure.shot { margin: 14px 0 18px; }
figure.shot img { display: block; width: 100%; height: auto; border: 1px solid var(--color-border-strong); border-radius: 8px; background: #fff; }
figure.shot figcaption { margin-top: 6px; font-size: 12.5px; color: var(--color-ink-subtle); }
@media (max-width: 900px) { .nav-menu-list { right: auto; left: 0; } }

/* devdoc-site 追加分(docs-site/style.css の後ろに連結)。対応表・一覧ページ用。 */
.mono { font-family: var(--font-mono); font-size: 12.5px; }
.small { font-size: 12px; color: var(--color-ink-subtle); }
.nowrap { white-space: nowrap; }
.text-muted { color: var(--color-ink-subtle); }
.issue-summary { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0 20px; align-items: stretch; }
.issue-summary .stat { flex: 0 0 auto; min-width: 120px; padding: 12px 16px; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface); }
.issue-summary .stat-label { font-size: 11px; letter-spacing: .08em; color: var(--color-ink-subtle); text-transform: uppercase; }
.issue-summary .stat-value { font-size: 26px; font-weight: 700; line-height: 1.2; margin-top: 4px; color: var(--color-ink); font-family: var(--font-mono); }
.issue-summary .stat-value.stat-small { font-size: 14px; font-weight: 600; margin-top: 10px; }
.issue-summary .stat-action { display: flex; align-items: center; border: none; background: none; padding: 0; }
.issue-table table { min-width: 1080px; }
.issue-table th:nth-child(6), .issue-table th:nth-child(9) { min-width: 320px; }
.issue-table td { vertical-align: top; }
.issue-table .issue-body { line-height: 1.6; }
.prose table a { word-break: break-all; }
.logout-form { display: inline-flex; margin: 0 0 0 6px; }
.logout-btn { font: inherit; font-size: 13px; color: var(--color-app-header-ink); background: transparent; border: 1px solid var(--color-app-header-soft); border-radius: 6px; padding: 5px 10px; cursor: pointer; }
.logout-btn:hover { background: var(--color-app-header-soft); color: #fff; }