:root { --bg:#f3efe6; --card:#fffdf8; --ink:#1d1b18; --sub:#5c564c; --mute:#8a8274; --line:#e2dccf; --accent:#e2552d; color-scheme: light; }
@media (prefers-color-scheme: dark) { :root { --bg:#16140f; --card:#211e18; --ink:#f1ece2; --sub:#c4bcae; --mute:#8f887b; --line:#353027; color-scheme: dark; } }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif; font-size: 17px; line-height: 1.8; font-feature-settings: "palt"; }
a { color: inherit; text-decoration-color: var(--mute); text-underline-offset: 4px; }
.wrap { max-width: 640px; margin: 0 auto; padding: 0 20px; }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.logo { font-weight: 800; font-size: 26px; letter-spacing: -.045em; text-decoration: none; line-height: 1; }
.logo i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin-left: 2px; }
header.top nav a { font-size: 14px; color: var(--sub); margin-left: 18px; }
.hero { padding: 64px 0 40px; }
.hero h1 { font-size: 44px; line-height: 1.25; letter-spacing: -.02em; margin: 0 0 20px; font-weight: 600; }
.hero p { font-size: 19px; color: var(--sub); margin: 0 0 32px; max-width: 30em; }
.stores { display: flex; gap: 10px; flex-wrap: wrap; }
.stores span { display: inline-flex; align-items: center; height: 44px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--line); color: var(--mute); font-size: 14px; }
.points { padding: 24px 0 56px; }
.points section { padding: 28px 0; border-top: 1px solid var(--line); }
.points h2 { font-size: 24px; margin: 0 0 8px; font-weight: 600; letter-spacing: -.01em; }
.points p { margin: 0; color: var(--sub); }
.doc h1 { font-size: 32px; line-height: 1.3; margin: 48px 0 8px; font-weight: 600; }
.doc .meta { color: var(--mute); font-size: 14px; margin: 0 0 32px; }
.doc h2 { font-size: 20px; margin: 36px 0 8px; font-weight: 600; }
.doc p, .doc li { color: var(--ink); }
.doc ul { padding-left: 1.3em; }
.doc .en { border-top: 1px solid var(--line); margin-top: 56px; padding-top: 24px; }
.doc .faq dt { font-weight: 600; margin-top: 22px; }
.doc .faq dd { margin: 4px 0 0; color: var(--sub); }
footer { padding: 32px 0 56px; color: var(--mute); font-size: 13px; border-top: 1px solid var(--line); margin-top: 24px; }
footer a { margin-right: 16px; }
@media (max-width: 600px) { .hero { padding: 40px 0 28px; } .hero h1 { font-size: 34px; } .hero p { font-size: 17px; } }