:root {
  --ground: #26262a;
  --ink: rgba(238, 236, 228, 0.94);
  --ink-muted: rgba(238, 236, 228, 0.62);
  --ink-ghost: rgba(238, 236, 228, 0.38);
  --rule: rgba(180, 190, 210, 0.16);
  --signal: #9b8cff;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 400 17px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--signal); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 24px; }

header.top {
  border-bottom: 1px solid var(--rule);
}
header.top .wrap {
  max-width: 1120px;
  display: flex; align-items: center; gap: 12px; height: 60px;
}
header.top img { width: 28px; height: 28px; border-radius: 7px; }
header.top .name { font-weight: 600; letter-spacing: -0.01em; }
header.top a { text-decoration: none; }
header.top nav { margin-left: auto; display: flex; gap: 22px; font-size: 15px; }
header.top nav a { color: var(--ink-muted); }
header.top nav a:hover { color: var(--ink); text-decoration: none; }

.doc { padding: 72px 24px 96px; }
.doc h1 {
  font: 700 clamp(32px, 5vw, 46px)/1.1 -apple-system, BlinkMacSystemFont, "SF Pro Display", Helvetica, Arial, sans-serif;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}
.doc h2 {
  font: 700 24px/1.25 -apple-system, BlinkMacSystemFont, "SF Pro Display", Helvetica, Arial, sans-serif;
  letter-spacing: -0.02em;
  margin: 52px 0 14px;
}
.doc h3 {
  font-size: 18px;
  letter-spacing: -0.01em;
  margin: 32px 0 8px;
}
.doc p { margin: 0 0 16px; color: var(--ink-muted); }
.doc h1 + p.lede { color: var(--ink); font-size: 20px; margin-bottom: 8px; }
.doc p.fine { font-size: 14px; color: var(--ink-ghost); }

.contact {
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 22px 24px;
  margin: 28px 0 8px;
  background: rgba(190, 200, 220, 0.035);
}
.contact p { margin: 0 0 10px; }
.contact p:last-child { margin: 0; }
.contact a { font-size: 19px; }

footer {
  border-top: 1px solid var(--rule);
  padding: 32px 0 56px;
  color: var(--ink-ghost);
  font-size: 14px;
}
footer .wrap { max-width: 1120px; display: flex; flex-wrap: wrap; gap: 20px; align-items: center; }
footer nav { margin-left: auto; display: flex; gap: 20px; }
footer a { color: var(--ink-muted); }