:root {
  --navy: #16324f;
  --navy-dark: #0e2136;
  --accent: #e8443a;
  --text: #22303e;
  --muted: #64748b;
  --border: #e2e8f0;
  --bg-alt: #f5f7fa;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; color: var(--text); background: #fff; line-height: 1.9; }
a { color: var(--navy); }
a:hover { color: var(--accent); }
.wrap { max-width: 820px; margin: 0 auto; padding: 0 24px; }
header { position: sticky; top: 0; background: rgba(255,255,255,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); z-index: 10; }
.nav { max-width: 1120px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo-badge { background: var(--navy); color: #fff; font-weight: 900; font-size: 18px; padding: 7px 16px; border-radius: 10px; letter-spacing: -0.01em; text-decoration: none; }
.logo-badge .dot { color: var(--accent); }
.nav a.back { color: var(--text); text-decoration: none; font-size: 14px; }
main { padding: 72px 0 96px; }
h1 { font-size: clamp(24px, 3vw, 32px); color: var(--navy); font-weight: 800; letter-spacing: -0.01em; margin: 0 0 8px; }
.updated { color: var(--muted); font-size: 13px; margin: 0 0 40px; }
h2 { font-size: 19px; color: var(--navy); font-weight: 800; margin: 40px 0 12px; padding-left: 12px; border-left: 4px solid var(--accent); }
p, li { font-size: 14.5px; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { text-align: left; padding: 14px 16px; border: 1px solid var(--border); vertical-align: top; }
th { background: var(--bg-alt); color: var(--navy); width: 32%; font-weight: 700; }
.todo { background: #fff8e6; color: #8a6100; padding: 1px 8px; border-radius: 6px; font-weight: 700; }
footer { background: var(--navy-dark); color: #94a3b8; font-size: 13px; padding: 44px 0; }
footer .inner { max-width: 1120px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; align-items: center; }
footer .links { display: flex; gap: 24px; flex-wrap: wrap; }
footer a { color: #cbd5e1; text-decoration: none; }
footer a:hover { color: #fff; }
.logo-badge-invert { background: #fff; color: var(--navy); font-weight: 900; font-size: 13px; padding: 4px 12px; border-radius: 8px; }
.logo-badge-invert .dot { color: var(--accent); }