:root {
  color-scheme: light dark;
  --paper: #f4f1ea;
  --paper-raised: #fbf9f4;
  --ink: #202522;
  --muted: #6f756f;
  --line: #d9d6cd;
  --accent: #516e6a;
  --accent-soft: #e1e9e6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111619;
    --paper-raised: #171e21;
    --ink: #edf0eb;
    --muted: #a8b0aa;
    --line: #313a3b;
    --accent: #9dc7c0;
    --accent-soft: #22302f;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-family:
    "Noto Serif KR", "Apple SD Gothic Neo", "Malgun Gothic", system-ui,
    sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  word-break: keep-all;
}

body {
  margin: 0;
}

main {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 96px;
}

header {
  margin-bottom: 48px;
}

h1,
h2 {
  line-height: 1.35;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 7vw, 3.1rem);
  font-weight: 600;
}

h2 {
  margin: 42px 0 12px;
  font-size: 1.15rem;
  font-weight: 600;
}

p,
li {
  font-size: 1rem;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 12px 0;
  padding-left: 22px;
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

.eyebrow,
.updated {
  color: var(--muted);
  font-size: 0.9rem;
}

.eyebrow {
  margin-bottom: 14px;
  letter-spacing: 0.08em;
}

.intro {
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.links {
  display: grid;
  gap: 14px;
  margin-top: 38px;
}

.link-card {
  display: block;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper-raised);
  color: inherit;
  text-decoration: none;
}

.link-card strong {
  display: block;
  margin-bottom: 3px;
  font-size: 1.08rem;
}

.link-card span {
  color: var(--muted);
}

.notice {
  margin: 28px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
}

footer {
  margin-top: 64px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

nav {
  margin-bottom: 36px;
}

@media (max-width: 520px) {
  main {
    width: min(100% - 32px, 720px);
    padding-top: 48px;
  }
}