:root{--bg:#f3f0e7;--card:#fff;--ink:#2b2b2b;--muted:#666;--accent:#2e7d6b;--deep:#1f5a4d;--soft:#d8efe9;--line:#d9d4c4;--shadow:0 8px 24px rgba(0,0,0,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",YuGothic,Meiryo,system-ui,sans-serif;line-height:1.75;-webkit-text-size-adjust:100%}
a{color:var(--deep);text-underline-offset:3px}a:focus-visible{outline:3px solid rgba(46,125,107,.35);outline-offset:3px;border-radius:3px}
.guide-site-header{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:9px max(16px,calc((100vw - 980px)/2));background:#fff;border-bottom:1px solid var(--line)}
.guide-brand{font-weight:900;text-decoration:none}.guide-header-link,.guide-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 16px;border-radius:999px;background:var(--accent);color:#fff;font-weight:800;text-decoration:none}
.guide-main{max-width:980px;margin:0 auto;padding:18px}.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px;padding:0;list-style:none;font-size:.88rem}.breadcrumb li+li::before{content:"›";margin-right:6px;color:var(--muted)}
.operationDisclosure{margin:0 0 14px;color:var(--muted);font-size:.82rem}.guide-document{padding:clamp(18px,4vw,42px);border:1px solid var(--line);border-radius:20px;background:var(--card);box-shadow:var(--shadow)}
.guide-title{padding-bottom:24px;border-bottom:1px solid var(--line)}.eyebrow{margin:0;color:var(--accent);font-size:.88rem;font-weight:900}.guide-title h1{margin:.2em 0;font-size:clamp(1.7rem,5vw,2.5rem);line-height:1.35;color:var(--deep)}.guide-title p{max-width:720px}.guide-section{padding:22px 0;border-bottom:1px solid var(--line)}.guide-section h2{margin:0 0 8px;font-size:clamp(1.25rem,3vw,1.6rem);color:var(--deep)}.guide-section h3{font-size:1.05rem}.guide-section li{margin:.35em 0}.example{padding:14px 16px;border-radius:12px;background:var(--soft)}.result-table{width:100%;border-collapse:collapse}.result-table th,.result-table td{padding:10px;border:1px solid var(--line);text-align:left;vertical-align:top}.result-table th{background:#f7f6f1}.faq h3{margin-bottom:3px}.faq p{margin-top:0}.guide-document-footer{padding-top:26px;text-align:center}.legal-link{margin-top:18px;color:var(--muted)}
.affiliateFrame[hidden]{display:none!important}
@media(max-width:600px){.guide-site-header{align-items:flex-start;flex-direction:column}.guide-header-link{width:100%}.guide-main{padding:12px}.guide-document{padding:18px 14px;border-radius:14px}.result-table,.result-table tbody,.result-table tr,.result-table th,.result-table td{display:block}.result-table tr{margin-bottom:10px}.result-table th{border-bottom:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}