:root {
  --bg: #000;
  --fg: #f2f2f7;
  --muted: #98989f;
  --line: #2c2c2e;
  --accent: #a9aef5;
  --card: #1c1c1e;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fff;
    --fg: #1c1c1e;
    --muted: #6c6c70;
    --line: #e5e5ea;
    --accent: #5b61d6;
    --card: #f2f2f7;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 680px; margin: 0 auto; padding: 0 16px; }
header.site { padding: 20px 0; }
header.site a { color: var(--fg); text-decoration: none; font-weight: 600; display: inline-flex; align-items: center; gap: 10px; }
header.site img { width: 28px; height: 28px; border-radius: 7px; }
footer.site { border-top: 1px solid var(--line); margin-top: 72px; padding: 28px 0 48px; color: var(--muted); font-size: 14px; }
footer.site nav { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 12px; }
footer.site a { color: var(--muted); }

.hero { text-align: center; padding: 56px 0 24px; }
.hero img { width: 120px; height: 120px; border-radius: 27px; }
.hero h1 { font-size: 44px; line-height: 1.1; margin: 24px 0 8px; letter-spacing: -0.02em; }
.hero p.slogan { font-size: 22px; color: var(--muted); margin: 0 0 28px; }
.soon { display: inline-block; padding: 10px 20px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 15px; }

.steps { list-style: none; padding: 0; margin: 48px 0 0; display: grid; gap: 12px; }
.steps li { background: var(--card); border-radius: 16px; padding: 18px 20px; }
.steps strong { display: block; margin-bottom: 2px; }
.steps span { color: var(--muted); }

article h1 { font-size: 32px; line-height: 1.2; margin: 24px 0 4px; letter-spacing: -0.01em; }
article .updated { color: var(--muted); font-size: 14px; margin: 0 0 28px; }
article h2 { font-size: 20px; margin: 36px 0 8px; }
article ul { padding-left: 22px; }
article li { margin: 4px 0; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 12px 0; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }
details { border-bottom: 1px solid var(--line); padding: 14px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 8px 0 0; color: var(--muted); }