:root{--bg:#F3F2EE;--surface:#E7E5DF;--ink:#17191B;--muted:#55585C;--line:#D6D3CB;--accent:#C2410C;--on-accent:#FFFFFF}
@media (prefers-color-scheme:dark){:root{--bg:#111214;--surface:#1C1E21;--ink:#EDEBE6;--muted:#A3A6AA;--line:#2E3135;--accent:#F07A3E;--on-accent:#111214}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 "IBM Plex Sans",system-ui,sans-serif;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,32px)}
header.wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:24px;padding-bottom:24px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;font-size:18px;letter-spacing:-.01em}
.i-ink{fill:var(--ink)}.i-acc{fill:var(--accent)}.s-acc{stroke:var(--accent)}.s-ink{stroke:var(--ink)}
.lang{position:relative;display:flex;align-items:center;gap:6px;min-height:44px;padding:0 12px;border-radius:10px;background:var(--surface);color:var(--muted)}
.lang select{appearance:none;-webkit-appearance:none;border:0;background:transparent;color:var(--ink);font:500 14px "IBM Plex Sans",system-ui,sans-serif;min-height:44px;padding:0 4px;cursor:pointer}
.lang select:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.lang select option{color:#17191B;background:#FFFFFF}
main{flex:1 1 auto}
.hero{display:flex;flex-wrap:wrap;align-items:center;gap:48px;padding:clamp(40px,8vw,96px) 0}
.hero-text{flex:1 1 480px;min-width:0;display:flex;flex-direction:column;gap:24px}
h1{margin:0;font-size:clamp(40px,6vw,76px);line-height:1.02;font-weight:600;letter-spacing:-.035em;white-space:pre-line}
.sub{margin:0;max-width:520px;font-size:19px;color:var(--muted)}
.btns{display:flex;flex-wrap:wrap;gap:12px;padding-top:8px}
.btn{display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:0 24px;border-radius:12px;text-decoration:none;font-weight:600;font-size:17px}
.btn-main{background:var(--accent);color:var(--on-accent)}
.btn-alt{border:1.5px solid var(--line);color:var(--ink);font-weight:500;padding:0 22px}
.btn:hover{filter:brightness(1.08)}
.btn[aria-disabled="true"]{opacity:.45;pointer-events:none}
.meta{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:13px;color:var(--muted);min-height:20px}
.art{flex:1 1 380px;min-width:0;display:flex;justify-content:center}
.art-box{width:100%;max-width:460px;aspect-ratio:1/1;border-radius:28px;background:var(--surface);display:flex;align-items:center;justify-content:center}
.art-box svg{width:82%;height:auto}
.feats{display:flex;flex-wrap:wrap;gap:32px;padding:40px 0 72px;border-top:1px solid var(--line)}
.feat{flex:1 1 220px;min-width:0;display:flex;flex-direction:column;gap:8px}
.feat svg{stroke:var(--accent)}
.feat .h3{margin:4px 0 0;font-size:17px;font-weight:600}
.feat p{margin:0;font-size:15px;color:var(--muted)}
footer.wrap{padding-top:24px;padding-bottom:32px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
.legal{max-width:720px;padding:clamp(32px,6vw,72px) 0 72px}
.legal h1{font-size:clamp(32px,5vw,48px);margin-bottom:8px}
.legal h2{font-size:20px;margin:36px 0 8px}
.legal p,.legal li{color:var(--muted);font-size:16px}
.legal ul{padding-inline-start:20px;margin:8px 0}
.legal .upd{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:13px;color:var(--muted);margin:0}
.legal .note{font-size:14px;color:var(--muted);border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:0 0 24px}
.legal a{color:var(--ink)}
footer.wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
footer nav{display:flex;flex-wrap:wrap;gap:20px}
footer nav a{color:var(--muted)}
footer nav a:hover{color:var(--ink)}
.meta a{color:var(--muted)}
.meta a:hover{color:var(--ink)}
.rel{padding:24px 0;border-top:1px solid var(--line)}
.rel h2{margin:0;font-size:22px}
.rel .upd{margin:4px 0 8px}
.empty{color:var(--muted);font-size:17px;margin-top:16px}
.faq{padding:8px 0 72px;max-width:760px}
.faq h2{font-size:28px;letter-spacing:-.02em;margin:0 0 16px}
.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;font-weight:600;font-size:17px;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--muted);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 16px;color:var(--muted)}
.legal ol{padding-inline-start:22px;margin:8px 0}
.legal code{font-family:"IBM Plex Mono",ui-monospace,monospace;font-size:14px;background:var(--surface);border-radius:6px;padding:1px 6px}
.legal pre{background:var(--surface);border-radius:10px;padding:14px 16px;overflow-x:auto}
.legal pre code{background:none;padding:0}
.legal .crumb{margin:0 0 8px;font-size:14px}
.legal .crumb a{color:var(--muted)}
.legal .cta{margin-top:32px}
.legal .cta .btn{color:var(--on-accent);text-decoration:none}
.legal .lead{font-size:18px}
.legal .guides{list-style:none;padding:0;margin:24px 0 0}
.guides li{padding:18px 0;border-top:1px solid var(--line)}
.guides li a{font-size:20px;font-weight:600;color:var(--ink);text-decoration:none}
.guides li a:hover{text-decoration:underline}
.guides li p{margin:6px 0 0}