:root {
  color-scheme: light;
  --cream: #fff9ef;
  --canvas: #f6f5f3;
  --ink: #1a171c;
  --muted: #6c666f;
  --aubergine: #2a174d;
  --purple-soft: #f0e8f5;
  --rose: #c96e9f;
  --sand: #e8d8be;
  --line: rgba(26, 23, 28, 0.12);
  --display: Georgia, "Times New Roman", serif;
  --sans: "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 5%, rgba(201, 110, 159, 0.08), transparent 28%),
    var(--canvas);
  font-family: var(--sans);
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}

header,
main,
footer {
  width: min(860px, calc(100% - 32px));
  margin-inline: auto;
}

header {
  padding: 24px 0 20px;
}

header a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--aubergine);
  text-decoration: none;
}

header .brand-mark {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

header .brand-name {
  font-family: var(--display);
  font-size: 29px;
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
  white-space: nowrap;
}

main {
  padding: clamp(34px, 7vw, 66px);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 24px 70px rgba(42, 23, 77, 0.08);
}

h1,
h2 {
  color: var(--aubergine);
  font-family: var(--display);
  letter-spacing: -0.025em;
}

h1 {
  margin: 0;
  font-size: clamp(2.7rem, 8vw, 4.6rem);
  line-height: 0.98;
}

h2 {
  margin-top: 2.35rem;
  font-size: 1.65rem;
  line-height: 1.2;
}

p,
li {
  color: #514b54;
}

a {
  color: var(--aubergine);
  font-weight: 750;
  text-decoration-color: var(--rose);
  text-underline-offset: 3px;
}

.updated {
  display: inline-block;
  margin: 18px 0 8px;
  padding: 6px 10px;
  color: var(--aubergine);
  background: var(--purple-soft);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.notice {
  padding: 16px 18px;
  background: var(--cream);
  border: 1px solid var(--sand);
  border-left: 5px solid var(--rose);
  border-radius: 0 12px 12px 0;
}

footer {
  padding: 26px 0 44px;
  color: var(--muted);
  font-size: 13px;
}

footer a {
  display: inline-block;
  margin-right: 16px;
}

li + li { margin-top: 9px; }

@media (max-width: 600px) {
  header .brand-mark { width: 38px; height: 38px; }
  header .brand-name { font-size: 26px; }
  main { padding: 30px 22px; border-radius: 18px; }
}