:root {
  --bg: #e9e9e7;
  --surface: #f3f3f0;
  --ink: #141414;
  --muted: #6b6b68;
  --border: #d8d8d4;
  --accent: #141414;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.6;
  font-size: 16px;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

header.site img { width: 40px; height: 40px; }

header.site .name {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
}

.lang {
  margin-left: auto;
  font-size: 13px;
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
}

.lang a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 10px;
}

.lang a.active { color: var(--ink); font-weight: 700; }

h1 {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.6px;
  margin: 0 0 6px;
}

.updated {
  color: var(--muted);
  font-size: 13px;
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  margin-bottom: 32px;
}

h2 {
  font-size: 19px;
  font-weight: 700;
  margin: 34px 0 10px;
}

p, li { color: #25251f; }

a { color: var(--ink); text-decoration: underline; text-underline-offset: 2px; }

ul { padding-left: 20px; }
li { margin-bottom: 6px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
  margin: 20px 0;
}

footer.site {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
}

footer.site a { color: var(--muted); margin-right: 16px; }