*{box-sizing:border-box}body{margin:0;background:#05070f;color:#e8f1ff;font:16px/1.7 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:#56dcf1;text-underline-offset:3px}header{border-bottom:1px solid #20324c}header>div{max-width:960px;margin:auto;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;color:#e8f1ff;font-weight:700;font-size:20px;text-decoration:none}.brand img{width:42px;height:auto}main{max-width:820px;margin:40px auto;padding:0 24px}h1{font-size:clamp(28px,5vw,42px);line-height:1.2;letter-spacing:-.03em;margin:18px 0}h2{font-size:21px;margin:34px 0 12px}p,li{color:#b7c5da}li{margin:8px 0}.meta{font-size:14px;color:#92a5c2}.intro{padding:20px;border:1px solid #29455f;background:#0b1626;border-radius:12px;margin:24px 0}nav.contents{display:flex;gap:8px 18px;flex-wrap:wrap;font-size:14px}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:left;padding:12px;border-bottom:1px solid #29405b;vertical-align:top}th{color:#e8f1ff}td{color:#b7c5da}.table-wrap{overflow-x:auto}.settings-button{padding:12px 18px;border:1px solid #38b8cb;border-radius:9px;background:#123b4a;color:#e8f1ff;font:600 15px system-ui,sans-serif;cursor:pointer}a:focus-visible,button:focus-visible{outline:2px solid #56dcf1;outline-offset:4px}section[id]{scroll-margin-top:20px}@media(max-width:600px){main{padding:0 20px;margin-top:28px}header>div{padding:16px 20px}.brand{font-size:18px}td,th{padding:10px;min-width:110px}}
.breadcrumbs{font-size:14px;color:#92a5c2;overflow-wrap:anywhere}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.guide-card{padding:22px;border:1px solid #29455f;border-radius:12px;background:#0b1626}.guide-card h2{margin:0 0 10px}.guide-card p{margin:10px 0}.guide-button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border:1px solid #38b8cb;border-radius:9px;background:#123b4a;font-weight:600;text-decoration:none}.guide-note{padding:14px 18px;border-left:3px solid #38b8cb;background:#0b1626}details{border-bottom:1px solid #29405b;padding:12px 0}summary{cursor:pointer;font-weight:600;min-height:32px}main p{overflow-wrap:break-word}@media(max-width:600px){.guide-grid{grid-template-columns:1fr}header>div>a:last-child{font-size:14px}.brand{flex-shrink:0}.brand img{width:34px}}