:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #172033;
  background: #f5f6f8;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  line-height: 1.65;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 48px auto;
  padding: clamp(28px, 6vw, 56px);
  border: 1px solid #e1e5ec;
  border-radius: 28px;
  background: #ffffff;
  box-shadow: 0 18px 55px rgba(36, 47, 66, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  color: #172033;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 12px;
  color: #ffffff;
  background: #059669;
}

h1,
h2 {
  line-height: 1.18;
  letter-spacing: -0.035em;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 7vw, 3.25rem);
}

h2 {
  margin: 36px 0 10px;
  font-size: 1.2rem;
}

p,
li {
  color: #536078;
}

.updated,
.notice {
  color: #788399;
}

.notice {
  margin: 24px 0;
  padding: 16px 18px;
  border-radius: 16px;
  background: #ecfdf5;
}

a {
  color: #047857;
}

footer {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid #e9ecf1;
  color: #8a93a5;
  font-size: 0.9rem;
}

@media (max-width: 560px) {
  main {
    margin: 16px auto;
    border-radius: 22px;
  }
}