:root {
  --bg: #ffffff;
  --surface: #f4f4f6;
  --border: #e4e4e9;
  --text: #17171c;
  --text-2: #5d5d69;
  --primary: #0b7a75;
  --primary-soft: #e6f6f4;
  --on-soft: #0a6e69;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e12;
    --surface: #1b1b21;
    --border: #2e2e36;
    --text: #f4f4f6;
    --text-2: #a3a3b0;
    --primary: #3dd1c4;
    --primary-soft: #0e2e2c;
    --on-soft: #3dd1c4;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }
header.top { border-bottom: 1px solid var(--border); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; font-size: 22px; letter-spacing: -0.02em; }
.brand img { width: 32px; height: 32px; }
nav a { color: var(--text-2); text-decoration: none; margin-left: 20px; font-size: 15px; }
nav a:hover, nav a[aria-current] { color: var(--primary); }
a { color: var(--primary); }
h1 { font-size: clamp(32px, 6vw, 44px); line-height: 1.15; letter-spacing: -0.02em; margin: 56px 0 16px; }
h2 { font-size: 22px; line-height: 1.3; margin: 40px 0 8px; }
h3 { font-size: 18px; margin: 28px 0 8px; }
.lead { font-size: 20px; color: var(--text-2); margin: 0 0 32px; }
.pill { display: inline-block; background: var(--primary-soft); color: var(--on-soft); border-radius: 999px; padding: 4px 12px; font-size: 14px; font-weight: 600; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 24px 0; }
.card { background: var(--surface); border-radius: 16px; padding: 18px 20px; }
.card h3 { margin: 0 0 4px; font-size: 17px; }
.card p { margin: 0; color: var(--text-2); font-size: 15px; }
.note { border-left: 3px solid var(--primary); background: var(--surface); border-radius: 0 12px 12px 0; padding: 14px 18px; margin: 24px 0; }
.note p { margin: 0 0 8px; }
.note p:last-child { margin: 0; }
.table-scroll { overflow-x: auto; margin: 16px 0; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--text-2); font-weight: 600; }
main { padding-bottom: 64px; }
footer { border-top: 1px solid var(--border); color: var(--text-2); font-size: 14px; padding: 24px 0 40px; }
footer a { color: var(--text-2); }
main, footer { overflow-wrap: anywhere; }
.table-scroll table { min-width: 520px; }
@media (max-width: 480px) {
  nav a { margin-left: 14px; }
  .lead { font-size: 18px; }
}