:root {
  --ground: #1A1814;
  --surface: #26221D;
  --surface-2: #2E2923;
  --line: #3A342C;
  --ink: #F4EDE2;
  --ink-muted: #A69C8E;
  --seat-a: #F08A5D;
  --seat-b: #5CBFB2;
  --attention: #E8B85C;
  --serif: "Instrument Serif", "Noto Serif", "PT Serif", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", "Noto Sans", "Helvetica Neue", Helvetica, sans-serif;
}
body { margin: 0; background: var(--ground); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.45; -webkit-font-smoothing: antialiased; }
a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--seat-a); }
* { box-sizing: border-box; }
.h1 { font-family: var(--serif); font-weight: 400; font-size: 32px; line-height: 1.15; letter-spacing: 0; margin: 0; color: var(--ink); text-wrap: pretty; }
.h2 { font-family: var(--serif); font-weight: 400; font-size: 24px; line-height: 1.2; margin: 0; color: var(--ink); }
.muted { font-size: 14px; line-height: 1.4; margin: 0; color: var(--ink-muted); text-wrap: pretty; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 52px; padding: 0 20px; border-radius: 12px; border: 0; font: 500 16px/1 var(--sans); cursor: pointer; text-decoration: none; width: 100%; }
.btn-primary { background: var(--ink); color: var(--ground); }
.btn-primary:hover { background: #FFFFFF; }
.btn:focus-visible { outline: 2px solid var(--seat-b); outline-offset: 2px; }
[hidden] { display: none !important; }
html { background: var(--ground); color-scheme: dark; }
body { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }
a.btn-primary, a.btn-primary:hover { color: var(--ground); }
a:focus-visible { outline: 2px solid var(--seat-b); outline-offset: 2px; border-radius: 4px; }
.page { flex: 1 0 auto; display: flex; align-items: center; justify-content: center; padding: 64px; }
@media (max-width: 720px) { .page { padding: 40px 16px; } }
.title { font-size: clamp(34px, 4.2vw, 48px); line-height: 1.1; text-wrap: balance; }
.line { font-size: 16px; }
.foot { display: flex; justify-content: center; padding: 0 16px 16px; }
.foot a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 8px; color: var(--ink-muted); font-size: 14px; }
.foot a:hover { color: var(--ink); }
.mark { display: inline-flex; align-items: center; flex: 0 0 auto; }
.mark-dot { display: block; width: 8px; height: 8px; border-radius: 50%; flex: 0 0 8px; }
.mark-a { background: var(--seat-a); }
.mark-b { background: var(--seat-b); }
.mark-in-sync .mark-b { margin-left: -3px; }
.mark-apart .mark-b { margin-left: 4px; }
.page-doc { align-items: flex-start; }
.doc { width: 100%; max-width: 640px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 500 15px/1 var(--sans); color: var(--ink); }
.doc .title { margin-top: 40px; }
.doc .updated { margin-top: 14px; font-size: 14px; color: var(--ink-muted); }
.doc .h2 { margin-top: 48px; }
.doc p, .doc ul { margin: 12px 0 0; font-size: 16px; line-height: 1.55; color: var(--ink); }
.doc .lede { margin-top: 28px; font-size: 17px; }
.doc ul { padding-left: 20px; }
.doc li + li { margin-top: 6px; }
.doc li::marker { color: var(--ink-muted); }
.doc a { text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }