:root {
  --paper: #fbfaf7;
  --ink: #16140f;
  --muted: #655f54;
  --line: #e6e1d6;
  --accent: #1a8b6e;
  --accent-dark: #136b54;
  --card: #fff;
  --wrap: 820px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.7 "Instrument Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-dark); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 3px; }
.site-head { border-bottom: 1px solid var(--line); background: rgba(251, 250, 247, .94); }
.site-head-inner, .page, .site-foot-inner { width: min(var(--wrap), calc(100% - 2.5rem)); margin-inline: auto; }
.site-head-inner { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { color: var(--ink); font-weight: 700; letter-spacing: .2em; text-decoration: none; }
.back { color: var(--muted); font-size: .9rem; }
.page { padding-block: clamp(3rem, 8vw, 6rem); }
.eyebrow { margin: 0 0 .75rem; color: var(--accent-dark); font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.18; letter-spacing: -.02em; }
h1 { margin: 0; font-size: clamp(2.2rem, 7vw, 3.6rem); }
h2 { margin: 2.8rem 0 .7rem; font-size: 1.55rem; }
h3 { margin: 1.8rem 0 .45rem; font-size: 1.05rem; }
p, li { color: var(--muted); }
.lede { max-width: 60ch; margin: 1rem 0 0; font-size: 1.1rem; }
.updated { margin-top: 1.25rem; color: var(--muted); font-size: .86rem; }
.notice, .card {
  margin-top: 1.75rem;
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
}
.notice { border-left: 4px solid var(--accent); }
.notice p, .card p { margin: 0; }
.card + .card { margin-top: 1rem; }
.card h2, .card h3 { margin-top: 0; }
ul, ol { padding-left: 1.35rem; }
li + li { margin-top: .45rem; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.25rem; }
.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: .7rem 1.1rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}
.button:hover { background: var(--accent-dark); color: #fff; }
.button.secondary { border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.toc { columns: 2; column-gap: 2rem; }
.toc li { break-inside: avoid; }
.details { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; }
.details dt { font-weight: 700; }
.details dd { margin: 0; color: var(--muted); }
.form-box { margin-top: 2rem; padding: 1.5rem; border: 2px solid var(--ink); background: #fff; }
.form-line { min-height: 2rem; margin-top: .35rem; border-bottom: 1px solid var(--ink); }
.site-foot { margin-top: 2rem; padding-block: 2rem; border-top: 1px solid var(--line); }
.site-foot-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .85rem; }
.foot-links { display: flex; flex-wrap: wrap; gap: 1rem; }
@media (max-width: 620px) { .toc { columns: 1; } .details { grid-template-columns: 1fr; gap: 0; } .details dd + dt { margin-top: .75rem; } }
@media print { .site-head, .site-foot, .actions, .toc { display: none; } .page { width: 100%; padding: 0; } body { background: #fff; } a { color: inherit; } }