:root{--w:1344px;--pad:clamp(16px,3vw,32px);--tx:#eef0f3;--mid:#a3a7b0;--dim:#7a7e88;--line:rgba(255,255,255,.11)}
*{box-sizing:border-box;margin:0}
html{background:#000;scroll-padding-top:84px;scrollbar-gutter:stable;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:#000;color:var(--tx);font:400 16px/1.5 'Geist',system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid #fff;outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;z-index:60;padding:8px 12px;border-radius:8px;background:#fff;color:#000;font-size:14px}
.skip:focus{left:8px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 var(--pad)}
.nav{position:sticky;top:10px;z-index:30;margin:10px auto 0;width:calc(100% - 2 * var(--pad));max-width:var(--w);background:rgba(12,12,13,.8);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:14px}
.nav .wrap{display:flex;align-items:center;gap:26px;max-width:none;height:48px;padding:0 8px 0 14px}
.logo{display:flex;align-items:center;gap:8px;font-weight:600;font-size:15px}
.logo img{width:18px;height:18px}
.nav .l{font-size:14px;font-weight:500;color:#dfe2e8;white-space:nowrap;transition:color .18s}
.nav .l:hover{color:#fff}
.sp{flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;height:34px;padding:0 13px;border-radius:999px;font-weight:500;font-size:14px;background:#fff;color:#000;white-space:nowrap;transition:background .18s}
.btn:hover{background:#d8dbe0}
.btn.g{background:transparent;color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2)}
.btn.g:hover{background:rgba(255,255,255,.08)}
.btn.ph{display:none}
.dhead{padding:clamp(34px,6vh,56px) 0 22px}
.dh{font-weight:500;font-size:clamp(26px,2.4vw,35px);line-height:1.12;letter-spacing:-.02em}
.dmeta{margin-top:8px;font-size:13px;color:var(--dim)}
.lead{margin-top:10px;max-width:70ch;font-size:14.5px;line-height:1.55;color:var(--mid)}
.dbody{border-top:1px solid var(--line);padding:30px 0 clamp(48px,9vh,90px)}
.dbody>.wrap{display:grid;grid-template-columns:230px minmax(0,1fr);gap:56px;align-items:start}
.toc{position:sticky;top:84px}
.toc h2{font-weight:500;font-size:12.5px;color:var(--dim)}
.toc ol{list-style:none;padding:0;margin-top:8px}
.toc a{display:block;padding:7px 0;border-top:1px solid var(--line);font-size:13.5px;line-height:1.35;color:var(--mid);transition:color .18s}
.toc a:hover,.toc a.on{color:#fff}
.doc{max-width:74ch}
.doc h2{margin-top:36px;font-weight:500;font-size:18px;letter-spacing:-.012em}
.doc h2:first-child{margin-top:0}
.doc p,.doc li{font-size:14.5px;line-height:1.65;color:#c3c7cf}
.doc p{margin-top:10px}
.doc ul{margin-top:10px;padding-left:18px}
.doc li{margin-top:5px}
.doc li::marker{color:var(--dim)}
.doc b{font-weight:500;color:#fff}
.doc a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.35)}
.doc a:hover{color:#fff;text-decoration-color:#fff}
.dnote{margin-top:30px;padding:14px 16px;border:1px solid var(--line);border-radius:10px}
.dnote p{margin:0;font-size:13.5px;color:var(--mid)}
.srch{display:flex;align-items:center;gap:10px;max-width:420px;height:40px;margin-top:18px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:#0c0c0d;color:var(--dim)}
.srch svg{width:16px;height:16px;flex:none}
.srch input{flex:1;min-width:0;border:0;outline:0;background:none;color:#fff;font:inherit;font-size:14.5px}
.srch input::placeholder{color:var(--dim)}
.srch input::-webkit-search-cancel-button{display:none}
.srch kbd{font:inherit;font-size:12px;padding:1px 6px;border:1px solid var(--line);border-radius:5px;color:var(--dim)}
.dbody>.wrap.faq{grid-template-columns:minmax(0,1fr) 300px}
.hfaq details{border-top:1px solid var(--line)}
.hfaq details:last-of-type{border-bottom:1px solid var(--line)}
.hfaq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;font-weight:500;font-size:15px;cursor:pointer;list-style:none}
.hfaq summary::-webkit-details-marker{display:none}
.hfaq summary i{position:relative;width:12px;height:12px;flex:none}
.hfaq summary i::before,.hfaq summary i::after{content:"";position:absolute;left:0;right:0;top:5.5px;height:1px;background:var(--mid);transition:transform .2s}
.hfaq summary i::after{transform:rotate(90deg)}
.hfaq details[open] summary i::after{transform:rotate(0)}
.ans{padding:0 0 16px;max-width:74ch;font-size:14.5px;line-height:1.65;color:#c3c7cf}
.ans a,.hnone a{text-decoration:underline;text-underline-offset:3px}
.hnone{margin-top:18px;font-size:14.5px;color:var(--mid)}
.hside{position:sticky;top:84px}
.hcon{display:grid;gap:0}
.hcon a{display:block;padding:12px 0;border-top:1px solid var(--line);transition:border-color .18s}
.hcon a:hover{border-color:#fff}
.hcon b{display:block;font-weight:500;font-size:15px}
.hcon span{display:block;margin-top:2px;font-size:13.5px;line-height:1.4;color:var(--mid)}
footer{padding:24px 0 22px;font-size:13px;color:var(--dim)}
footer .fr{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0 24px;margin-top:4px}
footer nav{display:flex;flex-wrap:wrap;align-items:center;gap:0 16px}
footer nav a{display:inline-flex;align-items:center;min-height:36px;transition:color .18s}
footer a:hover,footer a[aria-current]{color:#fff}
footer .lg{display:inline-flex;gap:10px;margin-left:8px;padding-left:16px;border-left:1px solid var(--line)}
@media (max-width:980px){.nav .l,.nav .dt{display:none}.btn.ph{display:inline-flex}.dbody>.wrap,.dbody>.wrap.faq{grid-template-columns:minmax(0,1fr);gap:26px}.toc,.hside{position:static}.toc{display:none}footer nav a{min-height:44px}}