:root {
  color-scheme: light dark;
  --ink: #0e1a29;
  --surface: #f3f5f7;
  --paper: #ffffff;
  --amber: #ffa81f;
  --muted: #5f6875;
  --line: #d8dde3;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--surface); color: var(--ink); line-height: 1.6; }
header { background: var(--ink); color: white; padding: 20px 24px; }
nav { max-width: 840px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
nav a { color: white; text-decoration: none; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.mark { width: 28px; height: 28px; border-radius: 8px; background: var(--amber); color: var(--ink); display: grid; place-items: center; }
main { width: min(840px, calc(100% - 32px)); margin: 32px auto 64px; background: var(--paper); padding: clamp(24px, 5vw, 56px); border-radius: 24px; box-shadow: 0 16px 50px rgba(14, 26, 41, .08); }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); line-height: 1.05; margin: 0 0 16px; }
h2 { margin-top: 36px; line-height: 1.2; }
h3 { margin-top: 26px; }
.eyebrow { color: #a85d00; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; font-size: .78rem; }
.lead { font-size: 1.15rem; color: var(--muted); }
.notice { border-left: 5px solid var(--amber); background: color-mix(in srgb, var(--amber) 12%, var(--paper)); padding: 16px 18px; border-radius: 0 14px 14px 0; }
table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 12px; border-bottom: 1px solid var(--line); }
a { color: #946000; }
footer { color: var(--muted); text-align: center; padding: 28px 16px 48px; }
@media (prefers-color-scheme: dark) {
  :root { --ink: #f4f6f8; --surface: #0c1219; --paper: #151d27; --muted: #b4bdc7; --line: #34404d; }
  header { background: #070b10; }
  .mark { color: #07111c; }
  a { color: #ffc468; }
}