:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#303030;background:#f5f7fa;line-height:1.6}*{box-sizing:border-box}body{margin:0}header{background:#fff;border-bottom:4px solid #40ac47;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px max(24px,calc((100vw - 1080px)/2));color:#1a395b}header img{object-fit:contain;width:250px;height:auto}main{max-width:1080px;margin:auto;padding:60px 24px}h1{font-size:clamp(2.4rem,5vw,4rem);line-height:1.12;letter-spacing:-.04em;color:#1a395b;margin:20px 0 24px}h2{color:#1a395b;font-size:1.25rem}.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.12em;color:#1a395b}.intro{font-size:1.2rem;max-width:720px}.steps{list-style:none;counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:0;margin:40px 0}.steps li{counter-increment:step;background:#fff;border:1px solid #dce3e9;border-radius:12px;padding:24px}.steps li:before{content:"0" counter(step);display:block;color:#1a395b;border-top:4px solid #40ac47;padding-top:16px;margin-bottom:16px;font-weight:700}.steps strong{color:#1a395b}.button{display:inline-block;background:#1a395b;color:#fff;text-decoration:none;border-radius:6px;padding:15px 25px;font-weight:650}.button:hover{background:#112b47}a:focus-visible,summary:focus-visible{outline:3px solid #1a395b;outline-offset:5px}.notice{border-left:4px solid #40ac47;background:#fff;padding:20px;margin:28px 0}details{background:#fff;padding:20px;border:1px solid #dce3e9;border-radius:8px}summary{font-weight:650;color:#1a395b;cursor:pointer}aside{margin-top:40px;border-top:1px solid #cdd8e3;padding-top:20px}dl{background:#fff;border:1px solid #dce3e9;padding:24px;border-radius:12px}dt{font-weight:700;color:#1a395b}dd{margin:0 0 20px;overflow-wrap:anywhere}footer{border-top:1px solid #dce3e9;padding:24px;text-align:center;font-size:.9rem;color:#1a395b}@media(max-width:700px){header{align-items:flex-start;flex-direction:column;padding:24px}.steps{grid-template-columns:1fr}main{padding-top:32px}.button{width:100%;text-align:center}}@media print{header,footer{background:#fff}main{padding:0}.button,details{display:none}dl,aside,.notice{break-inside:avoid}body{background:#fff}}
