*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root { --navy: #0A1E3F; --blue: #1554E0; --tint: #F1F5FB; --line: #D2DBE9; --text: #26354F; --muted: #46556F; --sans: 'Hanken Grotesk', 'Segoe UI', -apple-system, BlinkMacSystemFont, Arial, sans-serif; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); font-size: 18px; line-height: 1.65; color: var(--text); background: #fff; -webkit-font-smoothing: antialiased; }
a { color: var(--blue); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 32px; }

.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.header-inner { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo svg { width: 36px; height: 36px; display: block; }
.logo .m-a { fill: var(--navy); } .logo .m-b { fill: var(--blue); }
.logo span { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.03em; color: var(--navy); line-height: 1; }
.back { font-weight: 600; text-decoration: none; color: var(--navy); }
.back:hover { color: var(--blue); }

.doc { max-width: 760px; margin: 0 auto; padding: 72px 32px 96px; }
.doc h1 { font-size: clamp(2.2rem, 5vw, 3rem); line-height: 1.1; letter-spacing: -0.03em; color: var(--navy); margin-bottom: 12px; }
.doc .meta { color: var(--muted); font-size: 1rem; margin-bottom: 40px; }
.doc h2 { font-size: 1.45rem; line-height: 1.25; letter-spacing: -0.015em; color: var(--navy); margin: 40px 0 10px; }
.doc p { margin-bottom: 14px; }
.doc ul { margin: 0 0 14px 22px; }
.doc li { margin-bottom: 6px; }
.doc strong { color: var(--navy); }

.site-footer { background: var(--navy); color: #fff; padding: 28px 0; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px 32px; align-items: center; }
.site-footer ul { display: flex; flex-wrap: wrap; gap: 8px 26px; list-style: none; }
.site-footer a { color: #fff; font-weight: 500; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.site-footer small { display: block; margin-top: 14px; font-size: 0.95rem; color: rgba(255,255,255,0.86); }

@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
  .doc { padding: 48px 20px 64px; }
  body { font-size: 17px; }
}