:root{
  --canvas:#141210;--paper:#F5F1EA;--muted:rgba(245,241,234,.8);
  --faint:rgba(245,241,234,.42);--line:rgba(255,255,255,.12);--accent:#F04E23;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--paper);
  font-family:'Zen Kaku Gothic New',system-ui,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:760px;margin:0 auto;padding:30px 22px 80px}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:26px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:9px;font-weight:900;font-size:17px}
.brand .dot{width:11px;height:11px;border-radius:3px;background:var(--accent);flex:0 0 auto}
.brand .os{font:500 9px 'Space Grotesk',monospace;color:var(--faint);letter-spacing:.1em}
.back{font-size:13px;color:var(--muted)}
h1{font-family:'Instrument Serif',serif;font-style:italic;font-weight:400;
  font-size:clamp(28px,5vw,40px);margin:4px 0 4px;letter-spacing:-.01em}
.updated{font:500 11.5px 'Space Grotesk',monospace;color:var(--faint);margin:0 0 26px}
h2{font-size:16px;font-weight:800;margin:34px 0 10px}
h3{font-size:14px;font-weight:700;margin:20px 0 6px}
p,li{font-size:14px;color:var(--muted)}
ul,ol{padding-left:1.35em;margin:8px 0}
li{margin:4px 0}
.tbl{overflow-x:auto}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:13px}
th,td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}
th{background:rgba(255,255,255,.04);color:var(--paper);font-weight:700;white-space:nowrap}
td{color:var(--muted)}
.note{font-size:12.5px;color:var(--faint);border-left:2px solid var(--accent);
  padding:8px 0 8px 13px;margin:18px 0;line-height:1.7}
.toc{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:12.5px;margin:0 0 8px}
.foot{margin-top:52px;padding-top:18px;border-top:1px solid var(--line);
  font:500 11px 'Space Grotesk',monospace;color:var(--faint);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.foot a{color:var(--faint)}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto}}