:root{color-scheme:light;--ink:#18334b;--teal:#007f83;--soft:#edf6f5;--muted:#546679;--line:#dce5ed}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#f3f6fa;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;line-height:1.85}a{color:var(--teal);text-underline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #d49a32;outline-offset:4px}.header{max-width:1120px;margin:auto;padding:26px 24px;display:flex;justify-content:space-between;align-items:center}.header>a:first-child{font-size:22px;font-weight:800;color:var(--ink);text-decoration:none}.header span{font-size:10px;letter-spacing:.13em;margin-left:12px}.contact{font-size:14px}main{max-width:1120px;margin:32px auto 80px;padding:0 24px}.eyebrow,.section-label{color:var(--teal);font-size:13px;letter-spacing:.07em;font-weight:700}h1{font-size:clamp(28px,5vw,46px);letter-spacing:.02em;margin:8px 0 12px}h2{font-size:23px;margin:8px 0 14px}.lead{color:var(--muted);margin:0 0 32px}.layout{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}.panel{background:white;border:1px solid var(--line);border-radius:20px;padding:32px;min-width:0;overflow-wrap:anywhere}.muted{color:var(--muted);font-size:13px}.total{background:var(--soft);border-radius:14px;padding:24px;margin:24px 0}.total span{display:block;font-size:14px}.total strong{font-size:38px;letter-spacing:.01em}.items{margin:0}.items>div{display:flex;gap:16px;justify-content:space-between;padding:18px 0;border-bottom:1px solid var(--line)}.items dd{margin:0;font-weight:700;white-space:nowrap}.items small{display:block;font-size:12px;color:var(--muted)}.base-price{font-size:38px;font-weight:800;margin:18px 0}.base-price span{font-size:14px;font-weight:500;margin-left:8px}.addition-rule{padding:20px;background:var(--soft);border-radius:12px}.addition-rule strong{font-size:23px;display:block}.addition-rule span{font-size:13px}.notice{padding:14px 20px;background:#fff2d7;border-left:4px solid #b77d12;border-radius:8px}form label{display:block;font-size:14px;font-weight:600;margin:22px 0 10px}input[type=password]{width:100%;border:1px solid #9bafbe;border-radius:8px;padding:13px;font:inherit}button{display:block;width:100%;border:0;border-radius:9px;padding:16px;background:var(--teal);color:white;font:inherit;font-weight:700;font-size:15px;line-height:1.5;cursor:pointer;margin:20px 0 10px}button:disabled{background:#e3e9ee;color:#627283;cursor:not-allowed}.secondary{background:white;border:1px solid var(--line);color:var(--muted)}.check{display:flex;align-items:flex-start;gap:12px}.check input{margin-top:7px;accent-color:var(--teal)}.steps{margin-top:48px}.steps ol{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.steps li{background:white;border:1px solid var(--line);padding:23px;border-radius:13px}.steps b{display:block;font-size:26px;color:var(--teal)}.steps strong{display:block;font-size:16px}.steps span{color:var(--muted);font-size:13px}.faq{margin-top:42px}details{border-bottom:1px solid var(--line);padding:17px 0}summary{cursor:pointer;font-weight:700}details p{color:var(--muted);font-size:14px}footer{border-top:1px solid var(--line);padding:28px 24px;text-align:center;font-size:12px}@media(max-width:720px){main{margin-top:15px}.layout,.steps ol{grid-template-columns:1fr}.panel{padding:23px}.header{padding:20px}.header span{display:none}.total strong{font-size:33px}.contact{font-size:12px}.items>div{gap:8px}.items dd{font-size:14px}footer a{display:block}}