:root { color: #18223d; background: #f4efe8; font-family: Inter, "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", system-ui, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at 10% 0%, rgba(255,255,255,.8), transparent 32rem), #f4efe8; }
.legal-shell { width: min(100% - 32px, 760px); margin: 0 auto; padding: 30px 0 70px; }
.legal-header { display: flex; align-items: center; justify-content: space-between; min-height: 58px; padding-bottom: 14px; border-bottom: 1px solid rgba(24,34,61,.12); }
  .brand { display: block; width: 160px; text-decoration: none; }
  .brand img { display: block; width: 100%; height: auto; }
.back { color: #253d66; font-size: 13px; font-weight: 750; text-decoration: none; }
.back:hover { text-decoration: underline; text-underline-offset: 4px; }
a:focus-visible { outline: 3px solid #49a6ff; outline-offset: 4px; border-radius: 5px; }
main { padding-top: 32px; }
.eyebrow { margin: 0 0 8px; color: #253d66; font-size: 10px; font-weight: 800; letter-spacing: .16em; }
h1 { margin: 0 0 10px; font-size: clamp(28px, 6vw, 42px); letter-spacing: -.04em; }
.updated { margin: 0 0 34px; color: #62616a; font-size: 12px; }
.lead { padding: 20px 22px; border: 1px solid rgba(24,34,61,.12); border-radius: 20px; background: rgba(255,253,249,.88); box-shadow: 0 12px 32px rgba(24,34,61,.05); font-size: 14px; line-height: 1.8; }
section { margin-top: 34px; }
h2 { margin: 0 0 10px; font-size: 18px; }
p, li { color: #4f4e55; font-size: 14px; line-height: 1.85; }
ul { padding-left: 1.3em; }
.note { padding: 16px 18px; border-left: 3px solid #49a6ff; background: rgba(255,255,255,.5); }
.legal-footer { margin-top: 50px; padding-top: 22px; border-top: 1px solid rgba(24,34,61,.12); color: #62616a; font-size: 11px; }
::selection { color: #fff; background: #1b2541; }
@media (max-width: 420px) { .legal-shell { width: min(100% - 24px, 760px); padding-top: 20px; } p, li { font-size: 13px; } }