:root{--ink:#18394b;--paper:#f7f5ef;--orange:#df7138;--muted:#58696c;--line:#d5dcd6;--soft:#e7ebe3}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Hiragino Sans','Hiragino Kaku Gothic ProN','Noto Sans JP','Apple SD Gothic Neo','Noto Sans KR',sans-serif;line-height:1.8}
a{color:inherit;text-underline-offset:5px}a:focus-visible{outline:3px solid #c25728;outline-offset:5px}
.wrap{max-width:1240px;margin:auto;padding:0 44px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#7d4b2b}
.doc-head{padding:56px 0 34px;border-bottom:1px solid var(--line)}
.doc-head h1{font-size:clamp(30px,3.4vw,44px);letter-spacing:-.04em;line-height:1.3;margin:14px 0 16px;font-weight:650}
.doc-head .lead{color:var(--muted);font-size:15px;max-width:720px;margin:0}
.doc-meta{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:22px;font-size:12px;color:var(--muted)}
.doc-meta b{color:var(--ink);font-weight:600;margin-right:6px}
.draft{display:flex;gap:14px;align-items:flex-start;background:#fff3e4;border-left:3px solid var(--orange);padding:16px 20px;margin:26px 0 0;font-size:13px;line-height:1.7}
.draft strong{display:block;color:#7d4b2b}
.doc-body{display:grid;grid-template-columns:260px minmax(0,760px);justify-content:space-between;gap:60px;padding:40px 0 90px}
.toc{position:sticky;top:124px;align-self:start;font-size:13px}
.toc h2,.toc .toc-title{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#7d4b2b;margin:0 0 12px}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc li a{display:block;padding:6px 0 6px 16px;text-decoration:none;color:var(--muted);margin-left:-1px;border-left:2px solid transparent}
.toc li a:hover,.toc li a.active{color:var(--ink);border-left-color:var(--ink)}
.doc{max-width:760px;font-size:15px}
.doc section{scroll-margin-top:130px;padding:14px 0 22px;border-bottom:1px solid var(--line)}
.doc section:last-of-type{border-bottom:0}
.doc h2{font-size:20px;letter-spacing:-.02em;margin:22px 0 12px;display:flex;gap:14px;align-items:baseline}
.doc h2 .num{font-size:12px;font-weight:700;color:#ae502b;letter-spacing:.06em;flex:none}
.doc p{margin:0 0 12px}.doc ul,.doc ol{padding-left:22px;margin:0 0 12px}.doc li{margin:6px 0}
.doc .sub{font-size:14px;color:var(--muted)}
.doc dl{display:grid;grid-template-columns:200px 1fr;gap:0;border-top:1px solid var(--line);margin:8px 0 20px}
.doc dt,.doc dd{padding:14px 0;border-bottom:1px solid var(--line);margin:0}
.doc dt{font-weight:600;font-size:14px;padding-right:16px}
.doc dd .sub{display:block;margin-top:4px}
.pending{background:#fff3e4;color:#7d4b2b;padding:0 5px;border-radius:2px;font-weight:600}
.contact-box{background:#fff;border:1px solid var(--line);padding:22px 26px;border-radius:4px;margin:10px 0 16px}
.contact-box p{margin:0 0 8px}.contact-box b{display:inline-block;min-width:110px;font-weight:600}
.faq details{border-top:1px solid var(--line);padding:4px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:14px 0;font-weight:600;list-style:none;display:flex;gap:12px;align-items:baseline}
.faq summary::before{content:'Q';color:#ae502b;font-size:12px;font-weight:700;flex:none}
.faq summary::-webkit-details-marker{display:none}
.faq details p{padding:0 0 14px 24px;color:var(--muted);font-size:14px}
.doc-foot{margin-top:36px;padding-top:22px;border-top:2px solid var(--ink);font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.doc-foot a{text-decoration:none;border-bottom:1px solid currentColor}
.hub{padding-top:50px;padding-bottom:90px}
.hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:34px}
.hub-card{display:block;text-decoration:none;background:#fff;border:1px solid var(--line);border-top:2px solid var(--ink);padding:28px 30px 26px;border-radius:0 0 4px 4px;transition:background .15s}
.hub-card:hover{background:#edf2ed}
.hub-card .step-num{color:#ae502b;font-size:12px;font-weight:700;display:block;margin-bottom:12px}
.hub-card h2{font-size:21px;letter-spacing:-.02em;margin:0 0 8px}
.hub-card p{margin:0;color:var(--muted);font-size:14px}
.hub-card .go{display:inline-block;margin-top:18px;font-size:13px;border-bottom:1px solid currentColor}
@media(max-width:1100px){.doc-body{grid-template-columns:220px minmax(0,1fr);gap:36px}}
@media(max-width:860px){.wrap{padding:0 22px}.doc-body{grid-template-columns:1fr;gap:30px;padding:28px 0 60px}.toc{position:static;border-left:0}.toc ol{display:flex;flex-wrap:wrap;gap:4px 14px;border-left:0}.toc li a{padding:4px 0;border-left:0;margin:0;border-bottom:1px solid transparent}.toc li a.active{border-bottom-color:var(--ink)}.doc dl{grid-template-columns:1fr}.doc dt{padding-bottom:4px;border-bottom:0}.doc dd{padding-top:0}.hub-grid{grid-template-columns:1fr}.doc-head{padding:36px 0 26px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.lang-switch{display:inline-flex;border:1px solid var(--line);border-radius:3px;overflow:hidden;font-size:12px;margin-left:auto}
.lang-switch a,.lang-switch span{padding:5px 12px;text-decoration:none;color:var(--muted)}
.lang-switch span{background:var(--ink);color:#fff;font-weight:600}
.doc-head .eyebrow-row{display:flex;align-items:center;gap:16px}