:root{
  --ink:#1b2430; --sub:#4a5563; --bg:#ffffff; --soft:#f4f1ea;
  --accent:#b8860b; --accent-ink:#ffffff; --line:#e3ddd0; --navy:#14233c;
}
*{box-sizing:border-box}
html{font-size:18px}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;
  line-height:1.8;-webkit-text-size-adjust:100%}
a{color:var(--navy)}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
header.top{background:var(--navy);color:#fff;padding:14px 0}
header.top .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px}
.brand{font-weight:700;font-size:1.15rem;letter-spacing:.04em;color:#fff;text-decoration:none}
.brand img{height:36px;vertical-align:middle}
header.top nav a{color:#fff;font-size:.85rem;text-decoration:none;border:1px solid rgba(255,255,255,.5);padding:6px 12px;border-radius:6px}
.hero{background:var(--soft);padding:56px 0 48px;text-align:center}
.hero h1{font-size:min(2rem,5.4vw);line-height:1.45;margin:0 0 18px;white-space:nowrap}
.hero .lead{font-size:1.05rem;line-height:1.9;margin:0 auto 18px;max-width:34em;text-align:left;display:inline-block}
.hero .tag{font-size:1.15rem;color:var(--sub);margin:0 0 28px}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:700;
  font-size:1.2rem;padding:18px 36px;border-radius:12px;text-decoration:none;
  box-shadow:0 3px 0 rgba(0,0,0,.18)}
.btn:active{transform:translateY(2px);box-shadow:none}
.btn.sub{background:#fff;color:var(--navy);border:2px solid var(--navy);box-shadow:none;font-size:1rem;padding:12px 24px}
.price-note{font-size:.9rem;color:var(--sub);margin-top:12px}
section{padding:44px 0;border-bottom:1px solid var(--line)}
section h2{font-size:1.45rem;margin:0 0 20px;line-height:1.5}
.cards{display:grid;gap:14px}
.card{background:var(--soft);border-radius:12px;padding:18px 20px}
.card h3{margin:0 0 6px;font-size:1.15rem}
.card p{margin:0;color:var(--sub)}
ol.steps{padding-left:1.4em}
ol.steps li{margin-bottom:10px}
table.kv{width:100%;border-collapse:collapse;font-size:.95rem}
table.kv th,table.kv td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
table.kv th{background:var(--soft);width:34%;font-weight:700}
.confirm{border:3px solid var(--accent);border-radius:14px;padding:20px;background:#fffdf6}
.confirm h2{margin-top:0}
.todo{background:#fff3cd;color:#7a5200;padding:0 4px;border-radius:3px}
.legal h1{font-size:1.5rem;margin:32px 0 20px}
.legal h2{font-size:1.1rem;margin:28px 0 8px}
.legal p,.legal li{font-size:.95rem}
footer.bottom{background:var(--navy);color:#dfe5ee;padding:28px 0 36px;font-size:.85rem;text-align:center}
footer.bottom a{color:#dfe5ee;margin:0 8px;display:inline-block;padding:4px 0}
footer.bottom .maker{margin-top:14px;letter-spacing:.06em}
@media (max-width:520px){
  html{font-size:17px}
  
  .btn{display:block;padding:18px 12px}
  table.kv th,table.kv td{display:block;width:100%}
  table.kv th{border-bottom:none}
}

.cards-accepted{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.cards-accepted span{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:6px;padding:3px 10px;font-size:.8rem;font-weight:700;letter-spacing:.03em;white-space:nowrap}

.reg h1{font-size:1.5rem;margin:32px 0 8px}
.reg-intro{color:var(--sub);margin:0 0 20px}
.safe{border:2px solid var(--accent);background:var(--paper);border-radius:12px;padding:16px 18px;margin-bottom:24px}
.safe h2{font-size:1.1rem;margin:0 0 6px}
.safe p{margin:0;font-size:.95rem}
.reg fieldset{border:none;margin:0 0 22px;padding:0}
.reg legend{font-weight:700;font-size:1.05rem;margin-bottom:10px;padding:0}
.reg select,.reg input[type=text]{width:100%;font:inherit;font-size:1rem;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink)}
.row2{display:grid;grid-template-columns:1fr 2fr;gap:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{display:flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:10px 16px;background:var(--bg);cursor:pointer;font-size:.95rem}
.chips input{accent-color:var(--accent);width:18px;height:18px;margin:0}
.chips label:has(input:checked){border-color:var(--accent);background:var(--paper);font-weight:700}
.check{display:flex;align-items:center;gap:8px;margin-top:12px;font-weight:700}
.check input{width:20px;height:20px;accent-color:var(--accent)}
.sub-q{margin:14px 0 8px;font-size:.95rem;color:var(--sub)}
.safe-note{color:var(--sub);font-size:.9rem}
.reg button.btn{border:none;cursor:pointer;width:100%;font-family:inherit}
.reg-msg{background:var(--todo-bg);color:var(--todo-ink);padding:10px 14px;border-radius:8px;margin-top:14px}
.preview-bar a{color:inherit;font-weight:700}
@media (max-width:520px){.row2{grid-template-columns:1fr}}