/* Web Evidence Hub v1.1.0 (styles unchanged from v1.0.5 — 白ベース・黒／グレー主体・アクセント1色 */
:root{
  --ink:#1a1a1a; --ink-2:#444; --ink-3:#6b6b6b; --line:#d9d9d9; --bg:#fff; --bg-2:#f5f5f5;
  --accent:#0b5c8a; --accent-bg:#e8f1f7;
  --fs:16px; --radius:8px; --max:1120px;
}
*{box-sizing:border-box}
html{font-size:var(--fs);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Yu Gothic","Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Meiryo",system-ui,sans-serif;line-height:1.7}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px;border:1px solid var(--ink)}
.skip:focus{left:8px;top:8px;z-index:100}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.site-header{border-bottom:1px solid var(--line);padding:28px 0 20px}
.kicker{margin:0 0 4px;font-size:.9rem;letter-spacing:.08em;color:var(--ink-3);text-transform:uppercase}
.site-title{margin:0 0 12px;font-size:1.35rem;line-height:1.45}
.site-subtitle{margin:-6px 0 12px;color:var(--ink-2);font-size:.95rem}
.lead{margin:0 0 14px;color:var(--ink-2)}
.counts{display:flex;flex-wrap:wrap;gap:8px 24px;margin:0 0 12px;font-size:1rem}
.counts strong{font-size:1.5rem;color:var(--accent);margin:0 2px}
.notes{margin:0;padding-left:1.2em;color:var(--ink-3);font-size:.88rem}
.notes li{margin:2px 0}

.controls{padding:20px 0 8px}
.search-row{display:flex;gap:8px;margin-bottom:12px}
#q{flex:1;min-width:0;font:inherit;font-size:1rem;padding:12px 14px;border:1px solid var(--ink-2);border-radius:var(--radius);background:#fff;color:var(--ink)}
#q:focus{outline:3px solid var(--accent-bg);border-color:var(--accent)}
.btn{font:inherit;font-size:.95rem;padding:10px 14px;border-radius:var(--radius);border:1px solid var(--ink-2);background:#fff;color:var(--ink);cursor:pointer;white-space:nowrap}
.btn:hover,.btn:focus-visible{background:var(--bg-2)}
.btn:focus-visible{outline:3px solid var(--accent-bg);outline-offset:1px}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover,.btn-primary:focus-visible{background:#08476b}
.scope{display:flex;gap:8px;margin-bottom:12px}
.scope-btn{flex:1;font:inherit;font-size:1rem;padding:12px 10px;border:1px solid var(--ink-2);background:#fff;color:var(--ink);border-radius:var(--radius);cursor:pointer}
.scope-btn.is-on{background:var(--ink);color:#fff;border-color:var(--ink)}
.scope-btn:focus-visible{outline:3px solid var(--accent-bg);outline-offset:1px}
.scope-btn span{display:inline-block;min-width:2em;margin-left:4px;font-weight:700}
.filters{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.filters label{display:flex;flex-direction:column;font-size:.85rem;color:var(--ink-3);gap:4px;min-width:0}
.filters select{font:inherit;font-size:.95rem;color:var(--ink);padding:9px 10px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;width:100%;min-width:0}
.filters select:focus{outline:3px solid var(--accent-bg);border-color:var(--accent)}
.legend{margin:6px 0 4px;border:1px solid var(--line);border-radius:var(--radius);padding:8px 12px;font-size:.9rem}
.legend summary{cursor:pointer;color:var(--accent);font-weight:600}
.legend dl{margin:8px 0 0;display:grid;grid-template-columns:auto 1fr;gap:4px 12px}
.legend dt{font-weight:700}
.legend dd{margin:0;color:var(--ink-2)}
.legend-note{margin:8px 0 0;color:var(--ink-3);font-size:.85rem}
.result-count{color:var(--ink-3);font-size:.9rem;margin:10px 0 8px}

.cards{display:grid;grid-template-columns:1fr;gap:12px;margin-bottom:32px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;background:#fff;display:flex;flex-direction:column;gap:6px}
.card:target{outline:3px solid var(--accent);outline-offset:2px}
.card-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.sid{font-weight:800;font-size:1.25rem;letter-spacing:.02em;color:var(--ink)}
.badge{display:inline-block;font-size:.78rem;font-weight:700;padding:2px 8px;border-radius:999px;border:1px solid var(--ink-2);color:var(--ink-2);background:#fff;letter-spacing:.02em}
.badge.st-CURRENT{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}
.badge.st-CONTRAST{border-color:var(--accent);color:var(--accent);background:#fff}
.badge.st-REFERENCE{border-color:#8a6d00;color:#6b5400;background:#fbf4dc}
.badge.st-HISTORICAL{border-color:#777;color:#555;background:var(--bg-2)}
.badge.cited{border-style:dashed;color:var(--ink-3)}
.inst{margin:0;color:var(--ink-2);font-size:.95rem}
.title{margin:0;font-size:1.05rem;font-weight:700;line-height:1.5;overflow-wrap:anywhere}
.meta{margin:0;font-size:.88rem;color:var(--ink-3)}
.meta span+span::before{content:"　|　";color:var(--line)}
.summary{margin:2px 0 0;font-size:.93rem;color:var(--ink-2)}
.card-actions{display:flex;gap:8px;margin-top:6px;flex-wrap:wrap}
.card-actions .btn{flex:1;text-align:center;text-decoration:none;display:inline-block}
.empty{color:var(--ink-3);padding:24px 0}

.site-footer{border-top:1px solid var(--line);padding:24px 0 40px;font-size:.88rem;color:var(--ink-3)}
.site-footer p{margin:0 0 10px}
.data-version{font-size:.8rem}

/* dialog */
.dialog[hidden]{display:none}
.dialog{position:fixed;inset:0;z-index:50;display:flex;align-items:flex-end;justify-content:center}
.dialog-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.dialog-panel{position:relative;background:#fff;width:100%;max-height:92vh;overflow:auto;border-radius:12px 12px 0 0;padding:20px 16px 28px;box-shadow:0 -4px 24px rgba(0,0,0,.2)}
.dialog-close{position:absolute;top:8px;right:8px;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;background:#fff;font-size:1.3rem;cursor:pointer}
.dialog-close:focus-visible{outline:3px solid var(--accent-bg)}
.detail h2{margin:0 0 4px;font-size:1.05rem;line-height:1.5;padding-right:44px;overflow-wrap:anywhere}
.detail .card-top{margin-bottom:6px}
.detail dl{display:grid;grid-template-columns:7.5em 1fr;gap:6px 10px;margin:12px 0;font-size:.93rem}
.detail dt{color:var(--ink-3)}
.detail dd{margin:0;overflow-wrap:anywhere}
.detail .url{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.82rem;color:var(--ink-2);word-break:break-all}
.detail .history{margin:0;padding-left:1.1em;font-size:.9rem;color:var(--ink-2)}
.detail .actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.detail .actions .btn{flex:1;text-align:center;text-decoration:none}
.small{font-size:.82rem;color:var(--ink-3)}

@media (min-width:700px){
  .site-title{font-size:1.7rem}
  .cards{grid-template-columns:1fr 1fr}
  .filters{grid-template-columns:repeat(5,1fr)}
  .scope{max-width:520px}
  .dialog{align-items:center}
  .dialog-panel{max-width:720px;border-radius:12px;padding:24px 24px 28px}
}
@media (prefers-reduced-motion:no-preference){
  .card{transition:box-shadow .15s}
  .card:hover{box-shadow:0 2px 10px rgba(0,0,0,.08)}
}

.page-role{margin:.2rem 0 .6rem;font-size:.95rem;color:#333}