:root{--ink:#1c1f23;--muted:#5b6168;--paper:#fbfaf7;--card:#ffffff;--line:#e4e1da;--accent:#b8322a;--accent-ink:#ffffff;--soft:#f3efe8}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Hiragino Sans","Noto Sans JP",sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
a{color:var(--accent)}
.site-header{background:var(--card);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 16px;padding-top:12px;padding-bottom:12px}
.brand{font-weight:800;letter-spacing:.02em;color:var(--ink);text-decoration:none;font-size:1.1rem}
nav{display:flex;flex-wrap:wrap;gap:4px 14px;align-items:center;font-size:.95rem}
nav a{color:var(--ink);text-decoration:none}
nav a[aria-current=page]{color:var(--accent);font-weight:700}
.nav-cta{background:var(--accent);color:var(--accent-ink)!important;padding:4px 12px;border-radius:6px}
.notice{background:var(--soft);border-bottom:1px solid var(--line)}
.notice p{max-width:760px;margin:0 auto;padding:10px 16px;font-size:.95rem}
main{padding:24px 0 48px}
h1{font-size:2rem;line-height:1.25;margin:.6em 0 .5em}
h2{font-size:1.4rem;line-height:1.35;margin:2em 0 .6em;padding-top:.6em;border-top:1px solid var(--line)}
h3{font-size:1.15rem;margin:1.6em 0 .4em}
p,ul,ol{margin:0 0 1em}
li{margin:.25em 0}
table{width:100%;border-collapse:collapse;margin:0 0 1.2em;font-size:.95rem;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top;background:var(--card)}
th{background:var(--soft)}
th,td{text-align:left!important}
td:first-child,th:first-child{min-width:7.5em}
blockquote{margin:0 0 1.2em;padding:12px 16px;background:var(--card);border-left:4px solid var(--accent);border-radius:4px}
blockquote p:last-child{margin-bottom:0}
.legal blockquote{border-left-color:var(--line);color:var(--muted);font-size:.9rem;padding:8px 12px}
.cta{margin:1.4em 0}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);text-decoration:none;font-weight:700;padding:12px 20px;border-radius:8px}
.btn:hover{filter:brightness(1.08)}
.site-footer{border-top:1px solid var(--line);background:var(--card);color:var(--muted);font-size:.9rem;padding:20px 0}
.site-footer a{color:var(--muted)}
.small{font-size:.85rem}
@media (max-width:560px){body{font-size:16px}h1{font-size:1.6rem}h2{font-size:1.25rem}}