/* RECON unified shell. Builds on recon-tokens.css. */
body{min-height:100vh;display:flex;flex-direction:column;font-size:14px}
a{color:inherit}
.site-header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:5000}
.sh-row{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 1.25rem}
.sh-ctrl{display:flex;align-items:center;gap:12px}
.tbtn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--bg-glass);border:1px solid var(--border-color);border-radius:4px;color:var(--text-secondary);font-size:13px;cursor:pointer}
.snav{display:flex;padding:0 1.25rem;flex-wrap:nowrap;overflow:visible;gap:0;position:relative}
.snav>a,.snav>.dd>span{display:inline-flex;align-items:center;gap:4px;padding:.5rem 1rem;font-size:12px;line-height:1.5;letter-spacing:.03em;color:var(--text-secondary);text-decoration:none;border-bottom:2px solid transparent;cursor:pointer;white-space:nowrap;flex-shrink:0}
.snav .on,.snav .dd.on>span{color:var(--accent-primary);border-bottom-color:var(--accent-primary);font-weight:600}
.dd{position:relative;flex-shrink:0}
.dd .menu{display:none;position:absolute;top:100%;left:0;min-width:180px;background:var(--bg-secondary);border:1px solid var(--border-color);border-top:2px solid var(--accent-primary);border-radius:0 0 4px 4px;box-shadow:0 8px 24px rgba(0,0,0,.4);padding:.25rem 0;z-index:5100}
.dd:hover .menu,.dd.open .menu,.dd:focus-within .menu{display:block}
.dd .menu a{display:block;padding:.45rem 1rem;font-size:12px;color:var(--text-secondary);text-decoration:none;border-left:2px solid transparent}
.dd .menu a.cur{color:var(--accent-primary);background:rgba(245,158,11,.08);border-left-color:var(--accent-primary);font-weight:600}
.dd .menu a:hover{background:var(--bg-glass);color:var(--text-primary)}
main.page{flex:1;width:100%;max-width:1440px;margin:0 auto;padding:1.25rem 2rem 2rem;display:flex;flex-direction:column;gap:1rem}
main.narrow{max-width:900px}
.crumb{font-size:12px;color:var(--text-tertiary)}.crumb a{text-decoration:none;color:var(--text-secondary)}.crumb b{color:var(--accent-primary);font-weight:600}
.ph{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap}
.ph h1{margin:0;font-size:1.6rem;font-weight:700;letter-spacing:.01em}
.ph .sub{margin:.35rem 0 0;color:var(--text-secondary);font-size:.9rem;max-width:860px;line-height:1.6}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.split{display:grid;grid-template-columns:1fr 320px;gap:1rem}
.k{font-size:.72rem;color:var(--text-secondary);letter-spacing:.08em;text-transform:uppercase}
.v{font-size:1.85rem;font-weight:600;margin-top:.2rem;font-family:var(--font-mono)}
.metric-card{background:var(--card-bg);border:1px solid var(--border-color);border-left:3px solid var(--accent-primary);border-radius:4px;padding:.9rem 1.1rem}
.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:4px;padding:1rem 1.2rem}
.card.amb{border-left:2px solid var(--accent-primary)}
.card h2{margin:0 0 .7rem;font-size:.82rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-secondary);display:flex;justify-content:space-between;align-items:center;gap:8px}
.card h2 b{color:var(--text-primary);font-weight:600}
.mono{font-family:var(--font-mono)}.dim{color:var(--text-tertiary)}.sec{color:var(--text-secondary)}
.tag{display:inline-block;padding:.1rem .45rem;border-radius:2px;font-size:10.5px;font-weight:600;border:1px solid}
.t-kev{color:#fecaca;border-color:#ef4444;background:#7f1d1d}
.t-ph{color:#bfdbfe;border-color:#0ea5e9;background:#0c4a6e}
.t-ser{color:var(--accent-primary);border-color:rgba(245,158,11,.5);background:rgba(245,158,11,.08)}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{font-size:11.5px;padding:.25rem .7rem;border-radius:2px;border:1px solid var(--border-color);background:var(--bg-glass);color:var(--text-secondary);text-decoration:none}
.chip.on{background:var(--accent-primary);border-color:var(--accent-primary);color:#000;font-weight:700}
.btn{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:.4rem .8rem;border-radius:4px;border:1px solid var(--border-color);background:var(--bg-glass);color:var(--text-primary);text-decoration:none}
.btn.pri{background:var(--accent-primary);border-color:var(--accent-primary);color:#000;font-weight:700}
.list{display:flex;flex-direction:column}
.li{display:flex;gap:12px;padding:.65rem 0;border-top:1px solid var(--border-light);align-items:flex-start;text-decoration:none;color:inherit}
.li:first-child{border-top:0}
.li .d{font-family:var(--font-mono);font-size:11.5px;color:var(--text-tertiary);min-width:86px}
.li .tt{font-size:13.5px;line-height:1.5}
.li .tt small{display:block;color:var(--text-tertiary);font-size:11.5px;margin-top:2px}
.note{font-size:.75rem;color:var(--text-tertiary);line-height:1.6}
.prose{font-size:15px;line-height:1.85;color:var(--text-primary)}
.prose h2{font-size:1.15rem;margin:1.8rem 0 .6rem;padding-left:.6rem;border-left:3px solid var(--accent-primary);color:var(--text-primary)}
.prose h3{font-size:1rem;margin:1.3rem 0 .4rem}
.prose p{margin:.6rem 0}
.prose table{width:100%;border-collapse:collapse;font-size:13px;margin:.8rem 0}
.prose th,.prose td{border:1px solid var(--border-color);padding:.45rem .6rem;text-align:left}
.prose th{background:var(--bg-tertiary);color:var(--text-secondary);font-weight:600}
.prose ul,.prose ol{padding-left:1.3rem}
.prose pre{background:#020617;border:1px solid var(--border-color);border-radius:4px;padding:.7rem .9rem;overflow-x:auto}
.prose code{font-family:var(--font-mono);font-size:12.5px}
.prose a{color:var(--accent-primary)}
.art-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;font-size:12px;color:var(--text-tertiary)}
.toc a{display:block;padding:.32rem 0 .32rem .7rem;border-left:2px solid var(--border-color);font-size:13px;color:var(--text-secondary);text-decoration:none}
.toc a:first-of-type{border-left-color:var(--accent-primary);color:var(--text-primary)}
.code{font-family:var(--font-mono);font-size:12.5px;background:#020617;border:1px solid var(--border-color);border-radius:4px;padding:.7rem .9rem;color:#e2e8f0;white-space:pre-wrap}
.source-note{background:var(--bg-glass);border:1px solid var(--border-color);border-radius:4px;padding:1rem 1.2rem;margin:1.2rem 0}
.pager{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--border-color);margin-top:2rem;padding-top:1rem;font-size:13px}
.pager a{color:var(--accent-primary);text-decoration:none}
.ser-label{display:inline-block;font-family:var(--font-mono);font-size:10.5px;color:var(--text-tertiary);margin:0 .4rem 0 .3rem}
.chips-stack{display:flex;flex-direction:column;gap:6px}
.chips.sub .chip{font-size:10.5px;padding:.15rem .55rem;color:var(--text-tertiary)}
.side-cat{font-size:10.5px;letter-spacing:.08em;margin:.7rem 0 .15rem}
.side-cat:first-child{margin-top:0}
.empty{text-align:center;padding:2.5rem 1rem;color:var(--text-tertiary)}
.site-footer{border-top:1px solid var(--border-color);background:var(--bg-secondary);padding:1rem 1.5rem;display:grid;grid-template-columns:1fr;gap:.6rem 1.5rem;font-size:.78rem;color:var(--text-tertiary);align-items:center;margin-top:auto}
.site-footer b{color:var(--text-secondary);font-weight:400}
.site-footer .links{display:flex;gap:.75rem 1rem;flex-wrap:wrap;justify-content:flex-end;align-items:center}
.site-footer .links a{color:var(--text-secondary);text-decoration:none}
.site-footer .fbadge{display:inline-flex;align-items:center;gap:.4em;font-size:.8rem;font-weight:700;line-height:1.1;padding:.32em .64em;border-radius:3px;border:1px solid;white-space:nowrap;letter-spacing:.01em}
.site-footer .fbadge svg{width:1.15em;height:1.15em;flex:0 0 1.15em;display:block}
.site-footer .fbadge-bmc{color:var(--accent-primary);border-color:rgba(245,158,11,.55);background:rgba(245,158,11,.12)}
.site-footer .fbadge-do{color:#7dd3fc;border-color:rgba(125,211,252,.45);background:rgba(14,116,144,.22);height:50px;box-sizing:border-box;padding:0 .85em}
.site-footer .fnav{grid-column:1/-1;display:flex;gap:1.2rem;flex-wrap:wrap;border-top:1px solid var(--border-light);padding-top:.6rem}
.site-footer .fnav a{color:var(--text-tertiary);text-decoration:none}
[data-theme="light"] .t-kev{color:#991b1b;background:#fee2e2;border-color:#dc2626}
[data-theme="light"] .t-ph{color:#0c4a6e;background:#dbeafe;border-color:#0284c7}
[data-theme="light"] .prose pre,[data-theme="light"] .code{background:#f8fafc;color:#0f172a}
[data-theme="light"] .site-footer .fbadge-do{color:#0e7490;border-color:rgba(14,116,144,.45);background:rgba(125,211,252,.35)}
/* 狭幅: タブ列は横スクロール。overflow があるとドロップダウンが切れるため、メニューは fixed でヘッダー直下に出す（--hdr-h は theme.js が設定） */
@media (max-width:720px){
  .snav{overflow-x:auto;overflow-y:hidden}
  .dd{position:static}
  .dd .menu{position:fixed;top:var(--hdr-h,85px);left:.5rem;right:.5rem;min-width:0;border-radius:4px}
}
@media (max-width:900px){
  main.page{padding:1rem}
  .split,.g4{grid-template-columns:1fr 1fr}
  .site-footer .links{justify-content:flex-start}
}
@media (max-width:520px){
  main.page{padding:.85rem .75rem 1.25rem}
  .sh-row{padding:0 .75rem}
  .snav{padding:0 .5rem}
  .split,.g4{grid-template-columns:1fr}
  .li{flex-wrap:wrap;gap:4px 12px}
  .li .d{min-width:100%}
  .ph h1{font-size:1.35rem}
  .site-footer{padding:.85rem .75rem}
}