:root{
  --blue:#326CF9; --blue-d:#2457D6; --blue-l:#EEF3FF;
  --ink:#222; --ink-2:#444; --ink-3:#666; --ink-4:#999;
  --line:#EDEDED; --line-2:#DFDFDF; --bg-1:#FAFAFA; --bg-2:#F5F5F5;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-padding-top:96px}
body{font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;color:var(--ink);background:#fff;font-size:16px;line-height:1.5;letter-spacing:-.3px;-webkit-font-smoothing:antialiased;word-break:keep-all}
a{color:inherit;text-decoration:none}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}

/* Header */
.hd{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid var(--line)}
.hd .wrap{max-width:1200px;display:flex;align-items:center;justify-content:space-between;height:80px}
.logo{display:flex;align-items:center;gap:6px;font-size:22px;font-weight:800;letter-spacing:-1px;color:var(--blue)}
.btn-line{display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 16px;border:1px solid var(--line-2);border-radius:2px;font-size:14px;font-weight:700;background:#fff;white-space:nowrap}
.btn-line:hover{background:var(--bg-1)}

/* Tabs */
.tabs{display:flex;gap:4px;margin-top:40px;border-bottom:1px solid var(--line);overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs a{flex:none;height:48px;padding:0 16px;display:inline-flex;align-items:center;margin-bottom:-1px;border-bottom:2px solid transparent;font-size:16px;font-weight:600;color:var(--ink-3)}
.tabs a:hover{color:var(--ink)}
.tabs a[aria-current="page"]{color:var(--ink);font-weight:700;border-color:var(--ink)}

/* Document */
.doc-head{padding:32px 0 24px;border-bottom:2px solid var(--ink)}
.doc-head h1{font-size:30px;font-weight:800;line-height:1.25;letter-spacing:-1px}
.doc-head p{margin-top:8px;font-size:13px;color:var(--ink-3)}
.intro{margin-top:24px;padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--bg-1);font-size:15px;line-height:1.75;color:var(--ink-2)}
.toc{margin-top:16px;padding:20px;border:1px solid var(--line);border-radius:12px;display:grid;grid-template-columns:1fr 1fr;gap:6px 24px;font-size:14px;color:var(--ink-3)}
.toc a:hover{color:var(--blue)}
.doc section{padding:28px 0;border-bottom:1px solid var(--line)}
.doc h2{font-size:18px;font-weight:700;letter-spacing:-.4px}
.doc h2 span{margin-right:6px;color:var(--blue)}
.doc p,.doc li{font-size:15px;line-height:1.75;color:var(--ink-2)}
.doc p{margin-top:10px}
.doc ol,.doc ul{margin-top:10px;padding-left:22px}
.doc ol{list-style:decimal}
.doc ul{list-style:disc}
.doc ol ol{list-style:lower-alpha;margin-top:4px}
.doc ol ul,.doc ul ul{list-style:"– ";margin-top:4px}
.doc li + li{margin-top:4px}
.doc strong{color:var(--ink);font-weight:700}
.tbl{margin-top:12px;overflow-x:auto}
.t{width:100%;border-collapse:collapse;border-top:1px solid var(--ink);font-size:14px}
.t th,.t td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;line-height:1.6;color:var(--ink-2)}
.t thead th{background:var(--bg-2);font-weight:700;white-space:nowrap}
.t tbody th{font-weight:600;color:var(--ink);white-space:nowrap}
.addendum{padding:28px 0 72px}
.addendum h2{font-size:18px;font-weight:700}
.addendum p{margin-top:10px;font-size:15px;color:var(--ink-2)}

/* Footer */
.ft{background:var(--bg-2);padding:32px 0 48px;font-size:13px;color:var(--ink-3)}
.ft .wrap{max-width:1200px}
.ft-links{display:flex;flex-wrap:wrap;gap:4px 20px;padding-bottom:20px;border-bottom:1px solid var(--line-2);font-weight:600;color:var(--ink-2)}
.ft-links a[aria-current="page"]{font-weight:800;color:var(--ink)}
.ft-biz{margin-top:20px;display:flex;flex-wrap:wrap;gap:6px 0;line-height:1.6;font-style:normal}
.ft-biz+.ft-biz{margin-top:6px}
.ft-biz span{display:inline-flex;align-items:center}
.ft-biz span:not(:last-child)::after{content:"";width:1px;height:10px;margin:0 10px;background:var(--line-2)}
.ft-biz b{margin-right:6px;font-weight:600;color:var(--ink-2)}
.ft-biz a{text-decoration:underline;text-underline-offset:2px}
.ft-biz .chk{margin-left:6px;padding:0 6px;border:1px solid var(--line-2);border-radius:4px;font-size:12px;text-decoration:none;color:var(--ink-3);background:#fff}
.ft-note{margin-top:16px;color:var(--ink-4)}
@media (max-width:768px){.ft-biz{flex-direction:column;gap:4px;margin-top:16px}.ft-biz span:not(:last-child)::after{display:none}}

@media (max-width:768px){
  .wrap{padding:0 16px}
  .hd .wrap{height:56px}
  .logo{font-size:19px}
  .tabs{margin:24px -16px 0;padding:0 16px}
  .tabs a{padding:0 12px;font-size:15px}
  .doc-head{padding:24px 0 20px}
  .doc-head h1{font-size:26px}
  .intro,.toc{padding:16px}
  .toc{grid-template-columns:1fr}
  .doc section{padding:24px 0}
  .doc h2{font-size:17px}
  .t{min-width:560px}
}