:root {
  color-scheme: light dark;
  --bg: #f7faf7;
  --card: #ffffff;
  --ink: #16241c;
  --muted: #5b6b62;
  --brand: #2e8b57;
  --brand-strong: #1f6b41;
  --line: #e2ebe5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101613;
    --card: #18211d;
    --ink: #e8f0ea;
    --muted: #9db0a5;
    --brand: #56c087;
    --brand-strong: #7bd3a3;
    --line: #26332c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px 80px; }
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--card);
  margin-bottom: 40px;
}
header.site .wrap { padding-top: 20px; padding-bottom: 20px; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.logo {
  width: 40px; height: 40px; border-radius: 11px; flex: none;
  background: linear-gradient(150deg, var(--brand), var(--brand-strong));
  display: grid; place-items: center; font-size: 21px;
}
.brand { font-weight: 700; font-size: 19px; letter-spacing: -0.01em; }
nav { margin-left: auto; display: flex; gap: 18px; font-size: 15px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--brand-strong); }
h1 { font-size: 34px; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 6px; }
h2 { font-size: 22px; letter-spacing: -0.01em; margin: 40px 0 10px; }
h3 { font-size: 17px; margin: 26px 0 6px; }
.lede { color: var(--muted); font-size: 18px; margin: 0 0 8px; }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
p, li { color: var(--ink); }
a { color: var(--brand-strong); }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 20px 22px; margin: 24px 0;
}
.card h2, .card h3 { margin-top: 0; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
.key { border-left: 3px solid var(--brand); }
table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 15px; display: block; overflow-x: auto; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; }
ul { padding-left: 22px; }
li { margin: 6px 0; }
.faq { border-top: 1px solid var(--line); padding-top: 18px; margin-top: 18px; }
.faq:first-of-type { border-top: 0; padding-top: 0; margin-top: 0; }
.faq h3 { margin-top: 0; }
.mail {
  display: inline-block; background: var(--brand); color: #fff; text-decoration: none;
  padding: 12px 20px; border-radius: 999px; font-weight: 600; margin-top: 6px;
}
footer { border-top: 1px solid var(--line); margin-top: 56px; padding-top: 22px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }