:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  --bg: #fffaf7;
  --card: #fffdfb;
  --ink: #3a2526;
  --muted: #765d59;
  --line: #ebcfc7;
  --rose: #d96c83;
  --rose-soft: #fceef1;
  --teal: #55746e;
}

* {
  box-sizing: border-box;
}

body {
  background:
    radial-gradient(circle at 12% 0%, #fce7ec 0, transparent 30rem),
    var(--bg);
  color: var(--ink);
  line-height: 1.75;
  margin: 0;
}

main {
  margin: 0 auto;
  max-width: 760px;
  padding: 64px 24px 96px;
}

header {
  margin-bottom: 40px;
}

.mark {
  align-items: center;
  background: var(--rose-soft);
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--rose);
  display: inline-flex;
  font-size: 24px;
  font-weight: 800;
  height: 56px;
  justify-content: center;
  margin-bottom: 18px;
  width: 56px;
}

h1 {
  font-size: clamp(32px, 7vw, 48px);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0 0 12px;
}

h2 {
  font-size: 21px;
  line-height: 1.4;
  margin: 34px 0 8px;
}

p,
li {
  color: var(--muted);
}

.lead {
  font-size: 18px;
  margin: 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 18px 50px rgb(58 37 38 / 8%);
  padding: 8px 28px 30px;
}

.links {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

a {
  color: var(--teal);
  font-weight: 700;
}

.links a {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  text-decoration: none;
}

footer {
  color: var(--muted);
  font-size: 13px;
  margin-top: 36px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171214;
    --card: #21191c;
    --ink: #f7eeec;
    --muted: #ccbbb7;
    --line: #49383c;
    --rose: #e28da1;
    --rose-soft: #39252b;
    --teal: #91c6bd;
  }

  body {
    background:
      radial-gradient(circle at 12% 0%, #39252b 0, transparent 30rem),
      var(--bg);
  }
}