:root{--ink:#171717;--paper:#f5f3ef;--gold:#b8924a;--muted:#6f6b66;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--white);font-family:"Noto Sans JP",sans-serif;line-height:1.9}a{color:inherit}.wrap{width:min(1080px,calc(100% - 40px));margin:auto}.site-head{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid #e8e4dd}.site-head .wrap{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{text-decoration:none;letter-spacing:.18em;font-family:serif}.head-cta,.cta{display:inline-block;text-decoration:none;background:var(--ink);color:#fff;padding:.75rem 1.25rem}.hero{padding:92px 0 72px;background:linear-gradient(135deg,#171717,#35302a);color:#fff}.eyebrow{color:#d4ae72;letter-spacing:.2em;font-size:.75rem}.hero h1{font-size:clamp(2rem,5vw,4rem);line-height:1.3;margin:.8rem 0 1.2rem}.hero p{max-width:760px;color:#ddd;font-size:1.05rem}.crumbs{font-size:.75rem;color:#777;padding:18px 0}.section{padding:72px 0}.section.alt{background:var(--paper)}h2{font-size:clamp(1.55rem,3vw,2.4rem);line-height:1.45;margin:0 0 1.2rem}h3{margin:1.7rem 0 .45rem}.lead{font-size:1.05rem;max-width:820px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.card{background:#fff;border:1px solid #e6e1d9;padding:26px}.card b{display:block;margin-bottom:8px}.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:#ded9d0;border:1px solid #ded9d0;margin:28px 0}.fact{background:#fff;padding:20px}.fact small{display:block;color:#8d7853}.faq{border-top:1px solid #ddd;padding:20px 0}.faq h3{font-size:1rem;margin:0 0 8px}.links{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.links a{border-bottom:1px solid var(--gold);text-decoration:none}.conversion{background:var(--ink);color:#fff;text-align:center;padding:72px 20px}.conversion p{color:#bbb}.conversion .cta{background:var(--gold);margin:8px}.conversion .line{background:#06c755}footer{background:#0d0d0d;color:#aaa;padding:32px 0;font-size:.8rem}@media(max-width:720px){.grid{grid-template-columns:1fr}.facts{grid-template-columns:1fr}.head-cta{font-size:.72rem}.section{padding:52px 0}.hero{padding:70px 0 56px}}
