:root{--paper:#faf8f3;--paper-raised:#fff;--ink:#1e2a44;--ink-soft:#4a5670;--amber:#c98a2b;--amber-soft:#f3e3c6;--sage:#5b7a5b;--sage-soft:#e1eae1;--line:#dcd6c8;--muted:#7a7f87;--radius:2px}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Noto Sans JP,sans-serif;line-height:1.75}a{color:inherit}.wrap{max-width:760px;margin:0 auto;padding:0 24px 80px}.brand{letter-spacing:.04em;color:var(--ink);margin:20px 0 0;font-family:Zen Kaku Gothic New,sans-serif;font-size:15px;font-weight:900;text-decoration:none;display:inline-block}.crumb{color:var(--muted);letter-spacing:.02em;padding:20px 0 12px;font-size:13px}.crumb a{color:var(--muted);border-bottom:1px solid var(--line);text-decoration:none}.crumb a:hover{color:var(--ink)}.hero{border-bottom:1px solid var(--line);align-items:flex-start;gap:28px;padding:8px 0 36px;display:flex}.hero-body{border-bottom:1px solid var(--line);flex:1;padding:8px 0 36px}.stamp{border:3px solid var(--amber);border-radius:50%;flex:none;justify-content:center;align-items:center;width:104px;height:104px;display:flex;position:relative;transform:rotate(-6deg)}.stamp:after{content:"";border:1px solid var(--amber);border-radius:50%;position:absolute;inset:8px}.stamp-text{color:var(--amber);text-align:center;letter-spacing:.04em;font-family:Zen Kaku Gothic New,sans-serif;font-size:15px;font-weight:900;line-height:1.3}.eyebrow{color:var(--amber);letter-spacing:.14em;margin:0 0 8px;font-size:12px;font-weight:700}h1{letter-spacing:.01em;margin:0 0 14px;font-family:Zen Kaku Gothic New,sans-serif;font-size:32px;font-weight:900}.lede{color:var(--ink-soft);margin:0;font-size:16px}.lede strong{color:var(--ink);background:linear-gradient(transparent 60%, var(--amber-soft) 60%)}.section{border-bottom:1px solid var(--line);padding:40px 0}.section:last-of-type{border-bottom:none}.section-label{align-items:baseline;gap:10px;margin:0 0 20px;display:flex}.section-num{color:var(--amber);font-family:JetBrains Mono,monospace;font-size:13px;font-weight:600}.section-title{margin:0;font-family:Zen Kaku Gothic New,sans-serif;font-size:20px;font-weight:700}.steps{counter-reset:step;margin:0;padding:0;list-style:none}.step{counter-increment:step;border-top:1px solid var(--line);grid-template-columns:40px 1fr;gap:16px;padding:18px 0;display:grid}.step:first-child{border-top:none}.step:before{content:counter(step);color:var(--paper-raised);background:var(--ink);border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-family:JetBrains Mono,monospace;font-size:15px;font-weight:600;display:flex}.step h3{margin:2px 0 6px;font-family:Zen Kaku Gothic New,sans-serif;font-size:16px;font-weight:700}.step p{color:var(--ink-soft);margin:0;font-size:14.5px}.fee-table{border-collapse:collapse;width:100%;margin-top:4px;font-family:JetBrains Mono,monospace;font-size:14px}.fee-table th,.fee-table td{text-align:left;border-bottom:1px solid var(--line);padding:12px 14px}.fee-table th{color:var(--muted);letter-spacing:.05em;font-size:12px;font-weight:600}.fee-table td.price{color:var(--ink);text-align:right;font-weight:600}.fee-note{color:var(--muted);margin-top:10px;font-family:Noto Sans JP,sans-serif;font-size:12.5px}.link-card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);color:var(--ink);justify-content:space-between;align-items:center;margin-bottom:10px;padding:16px 18px;text-decoration:none;display:flex}.link-card:hover{border-color:var(--ink)}.link-name{font-size:14.5px;font-weight:700}.link-desc{color:var(--muted);margin-top:3px;font-size:12.5px}.link-arrow{color:var(--amber);font-family:JetBrains Mono,monospace;font-size:16px}.faq-item{border-top:1px solid var(--line)}.faq-item:last-child{border-bottom:1px solid var(--line)}.faq-item summary{cursor:pointer;justify-content:space-between;align-items:center;padding:16px 4px;font-size:15px;font-weight:700;list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--amber);flex:none;font-family:JetBrains Mono,monospace;font-size:18px}.faq-item[open] summary:after{content:"−"}.faq-item p{color:var(--ink-soft);margin:0 4px 18px;font-size:14.5px}.alt-badge{background:var(--sage-soft);color:var(--sage);letter-spacing:.03em;border-radius:20px;margin-bottom:12px;padding:3px 10px;font-size:12px;font-weight:700;display:inline-block}.updated-badge{background:var(--sage-soft);color:var(--sage);border-radius:20px;padding:3px 10px;font-family:JetBrains Mono,monospace;font-size:12px;font-weight:600;display:inline-block}.notice{background:var(--paper-raised);border:1px solid var(--line);border-left:4px solid var(--amber);color:var(--ink-soft);margin-top:12px;padding:18px 20px;font-size:13px}.notice strong{color:var(--ink)}footer{color:var(--muted);padding:32px 0 0;font-size:12px}.footer-text{margin:12px 0 0}@media (width<=560px){.hero{flex-direction:column;gap:18px}h1{font-size:26px}}