:root{
  --ink:#16181d;--sub:#5a6070;--line:#e3e6ec;--bg:#ffffff;--soft:#f5f7fa;
  --red:#e0402f;--blue:#2457d6;--tbd-bg:#fff4c2;--tbd-ink:#7a5a00;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans JP",system-ui,-apple-system,"Hiragino Sans",sans-serif;font-size:16px;line-height:1.85;word-break:normal;overflow-wrap:anywhere}
a{color:var(--blue)}
img{max-width:100%;height:auto}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}
.logo{font-family:"Noto Serif JP",serif;font-size:28px;letter-spacing:.12em;color:var(--ink);text-decoration:none;line-height:1}
.logo small{display:block;font-family:"Noto Sans JP",sans-serif;font-size:11px;letter-spacing:.04em;color:var(--sub);margin-top:4px}
nav.gnav{display:flex;gap:4px 18px;flex-wrap:wrap;font-size:14px}
nav.gnav a{color:var(--ink);text-decoration:none;padding:6px 0}
nav.gnav a:hover{color:var(--blue)}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;padding:12px 24px;border-radius:999px;font-weight:700;font-size:15px}
.btn.line{background:#fff;color:var(--ink);border:1px solid var(--ink)}
.hero{padding:72px 0 56px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-140px;top:-120px;width:360px;height:360px;border-radius:50%;background:var(--red);opacity:.9;z-index:-1}
.eyebrow{font-size:13px;letter-spacing:.12em;color:var(--sub);margin:0 0 12px}
h1{font-size:clamp(28px,5vw,46px);line-height:1.35;margin:0 0 16px;font-weight:800}
.lead{font-size:clamp(15px,2vw,18px);color:var(--sub);margin:0 0 28px;max-width:640px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
section{padding:56px 0;border-top:1px solid var(--line)}
section.soft{background:var(--soft)}
h2{font-size:clamp(22px,3.4vw,30px);line-height:1.4;margin:0 0 8px}
h2+p.note{color:var(--sub);margin:0 0 28px}
h3{font-size:18px;margin:0 0 6px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.card .num{color:var(--red);font-weight:800;font-size:14px}
.card p{margin:0;color:var(--sub);font-size:15px}
.card ul{margin:8px 0 0;padding-left:1.2em;color:var(--sub);font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:14px}
.steps{counter-reset:s;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.price-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.price-table th,.price-table td{padding:16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.price-table th{background:var(--soft);width:34%;font-weight:700}
.price-table tr:last-child th,.price-table tr:last-child td{border-bottom:0}
.small{font-size:13px;color:var(--sub)}
.tbd{background:var(--tbd-bg);color:var(--tbd-ink);padding:1px 6px;border-radius:4px;font-weight:700}
/* 規約系ページ */
.doc{padding:48px 0 72px}
.doc h1{font-size:clamp(24px,4vw,34px);margin-bottom:28px}
.doc h2{font-size:19px;margin:36px 0 10px;padding-left:12px;border-left:4px solid var(--red)}
.doc ol,.doc ul{padding-left:1.4em}
.doc li{margin:4px 0}
.kv{width:100%;border-collapse:collapse;border-top:1px solid var(--line)}
.kv th,.kv td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.kv th{width:30%;background:var(--soft);font-weight:700}
@media (max-width:640px){
  .kv th,.kv td,.price-table th,.price-table td{display:block;width:100%}
  .kv th,.price-table th{border-bottom:0;padding-bottom:4px}
  .hero::after{width:220px;height:220px;right:-90px;top:-80px}
}
footer.site{background:var(--ink);color:#c9ced8;padding:40px 0;font-size:14px}
footer.site a{color:#fff;text-decoration:none}
footer.site .links{display:flex;flex-wrap:wrap;gap:6px 20px;margin:0 0 16px;padding:0;list-style:none}
footer.site p{margin:4px 0}