@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,300..800&family=Instrument+Sans:wght@400;500;600&display=swap');

:root {
  --canvas: #0a0a10;
  --surface: #14141c;
  --stroke: rgba(255,255,255,.10);
  --text: #f4f4f8;
  --muted: #a5a4b2;
  --dim: #6c6b7a;
  --accent: #9d8dff;
  --display: "Bricolage Grotesque", sans-serif;
  --body: "Instrument Sans", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(55% 45% at 82% 0%, rgba(139,124,246,.14), transparent 72%),
    radial-gradient(45% 40% at 0% 80%, rgba(103,232,249,.06), transparent 72%),
    var(--canvas);
  color: var(--text);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.65;
}
a { color: inherit; }
.shell { max-width: 980px; margin: 0 auto; padding: 0 28px 100px; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 28px 0 90px; }
.wordmark { font-family: var(--display); font-size: 26px; font-weight: 800; letter-spacing: -.04em; text-decoration: none; }
.back { color: var(--muted); font-size: 14px; text-decoration: none; }
.back:hover { color: var(--text); }
.intro { max-width: 760px; padding-bottom: 52px; }
.kicker { color: var(--accent); font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
h1, h2 { font-family: var(--display); letter-spacing: -.045em; line-height: 1.02; }
h1 { max-width: 760px; font-size: clamp(52px, 8vw, 94px); margin: 16px 0 22px; }
h2 { font-size: clamp(27px, 4vw, 40px); margin: 0 0 14px; }
.lede { color: var(--muted); font-size: 19px; max-width: 62ch; margin: 0; }
.updated { color: var(--dim); font-size: 13px; margin-top: 18px; }
.content { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 64px; border-top: 1px solid var(--stroke); padding-top: 48px; }
.contents { position: sticky; top: 24px; align-self: start; color: var(--dim); font-size: 13px; }
.contents strong { display: block; color: var(--text); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; }
.contents a { display: block; text-decoration: none; margin: 8px 0; }
.contents a:hover { color: var(--text); }
article { min-width: 0; }
section { padding: 0 0 44px; scroll-margin-top: 24px; }
section + section { border-top: 1px solid var(--stroke); padding-top: 42px; }
p { color: var(--muted); margin: 0 0 16px; }
ul { color: var(--muted); margin: 0 0 18px; padding-left: 22px; }
li { padding-left: 5px; margin: 7px 0; }
strong { color: var(--text); font-weight: 600; }
.notice { margin-top: 30px; padding: 22px 24px; border: 1px solid rgba(157,141,255,.28); border-radius: 18px; background: rgba(20,20,28,.72); color: var(--muted); }
.notice strong { color: var(--accent); }
.contact { display: inline-block; color: var(--text); text-decoration-color: rgba(157,141,255,.65); text-underline-offset: 4px; }
footer { border-top: 1px solid var(--stroke); margin-top: 28px; padding-top: 28px; color: var(--dim); font-size: 13px; display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }
@media (max-width: 720px) {
  .shell { padding-left: 20px; padding-right: 20px; }
  .topbar { padding-bottom: 62px; }
  .content { display: block; }
  .contents { position: static; display: flex; gap: 12px; flex-wrap: wrap; padding-bottom: 36px; }
  .contents strong { width: 100%; margin-bottom: 0; }
  .contents a { margin: 0; }
  .lede { font-size: 17px; }
}