:root {
  --bg: #0a0a0a; --surface: #15161a; --text: #ececf0; --muted: #9a9ea9; --line: #2a2c33; --link: #d9f23d;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f6f6f4; --surface: #ffffff; --text: #16171b; --muted: #5d616b; --line: #dcdcd8; --link: #16171b; color-scheme: light; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 Inter, system-ui, -apple-system, "Segoe UI", sans-serif; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px 64px; }
header.top { padding: 28px 0 8px; display: flex; align-items: center; gap: 12px; }
header.top a { display: inline-flex; }
header.top img { display: block; height: 52px; width: auto; }
h1 { font-size: clamp(30px, 6vw, 42px); line-height: 1.1; letter-spacing: -0.03em; margin: 36px 0 6px; }
.updated { color: var(--muted); margin: 0 0 28px; }
h2 { font-size: 21px; letter-spacing: -0.01em; margin: 40px 0 8px; }
p, li { color: var(--text); }
ul { padding-left: 22px; }
li { margin: 6px 0; }
a { color: var(--link); text-underline-offset: 3px; }
.note { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin: 20px 0; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 8px 22px; }