:root {
  --bg: #F2F2F7; --card: #FFFFFF; --text: #17151F; --muted: #5B5866; --line: #E3E2E8;
  --brand: #D8220F; --link: #0C73B9; --accent: #B15400;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #000000; --card: #1C1C1E; --text: #F5F4F8; --muted: #A9A6B3; --line: #2C2C2E;
          --brand: #F46556; --link: #71C0F6; --accent: #FFA34E; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text);
       font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--link); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
.wrap.wide { max-width: 1040px; }
.top { background: var(--card); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; }
.brand img { border-radius: 8px; }
nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-weight: 600; font-size: 15px; }
nav a:first-child { margin-left: 0; }
nav a[aria-current="page"], nav a:hover { color: var(--text); }
main { padding: 40px 16px 56px; }
h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.01em; }
h2 { font-size: 21px; margin: 32px 0 8px; }
h3 { font-size: 18px; margin: 0 0 6px; }
.lede { font-size: 19px; color: var(--muted); }
.muted { color: var(--muted); font-size: 15px; }
.hero { text-align: center; padding: 24px 0 32px; }
.hero img { border-radius: 28px; box-shadow: 0 8px 30px rgba(0,0,0,.15); margin-bottom: 20px; }
.hero .lede { max-width: 600px; margin: 0 auto 16px; }
.soon { display: inline-block; font-weight: 600; color: var(--accent); background: var(--card); border: 1px solid var(--line);
        border-radius: 999px; padding: 8px 16px; font-size: 15px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--card); border-radius: 16px; padding: 20px; border: 1px solid var(--line); }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.note { margin-top: 32px; color: var(--muted); font-size: 14px; text-align: center; }
.legal section p { margin: 0; }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 4px 20px 12px; margin: 24px 0; }
.toc h2 { font-size: 16px; margin-top: 12px; }
.toc ol { margin: 0; padding-left: 22px; font-size: 15px; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 20px 0 32px; }
footer p { margin: 6px 0; }
@media (max-width: 480px) { nav a { margin-left: 12px; font-size: 14px; } main { padding-top: 28px; } }