:root {
  --bg: #0a0a0f;
  --card: #1a1a2e;
  --border: #2a2a3a;
  --text: #e2e8f0;
  --muted: #64748b;
  --accent: #10b981;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

header.site {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
}

header.site .inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
}

.logo .dot {
  color: var(--accent);
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

h1 {
  font-size: 1.75rem;
  line-height: 1.25;
  margin: 0 0 0.25rem;
}

h2 {
  font-size: 1.2rem;
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

h3 {
  font-size: 1rem;
  margin-top: 1.5rem;
}

p.updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0;
}

a {
  color: var(--accent);
}

ul {
  padding-left: 1.25rem;
}

li {
  margin: 0.35rem 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  margin: 1.25rem 0;
}

.card.notice {
  border-left: 3px solid var(--accent);
}

ol.steps {
  padding-left: 1.25rem;
}

ol.steps li {
  margin: 0.6rem 0;
}

footer.site {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  padding: 1.5rem 1.25rem;
}

footer.site .inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

footer.site a {
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  margin: 1rem 0;
}

th,
td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 600;
}