:root{color-scheme:dark;--bg:#07090d;--bg2:#0b0e14;--surface:#10141c;--elev:#161b25;--text:#eef1f6;--muted:#9aa4b3;--faint:#6b7483;
--accent:#5b8cff;--accent2:#8b5cf6;--ok:#34d399;--border:rgba(255,255,255,.08);--border2:rgba(255,255,255,.14);--shadow:0 30px 80px rgba(0,0,0,.55);
--grad:linear-gradient(135deg,#5b8cff 0%,#8b5cf6 55%,#d946ef 100%);--r:18px;--max:1160px}
@media (prefers-color-scheme:light){:root{color-scheme:light;--bg:#fbfbfd;--bg2:#f3f4f8;--surface:#ffffff;--elev:#f6f7fb;--text:#0b0d12;--muted:#4b5563;--faint:#6b7280;
--accent:#2f6bff;--accent2:#7c3aed;--border:rgba(10,20,40,.09);--border2:rgba(10,20,40,.16);--shadow:0 30px 70px rgba(20,30,60,.16)}}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 "Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI Variable","Segoe UI","Malgun Gothic","Apple SD Gothic Neo","Hiragino Sans","Yu Gothic UI","Microsoft YaHei","PingFang SC",system-ui,sans-serif;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-underline-offset:3px}img,svg{max-width:100%;height:auto;vertical-align:middle}
/* 줄바꿈: 한국어는 어절 단위, 일본어는 구절 단위(지원 브라우저), 제목은 균형, 본문은 끝줄 고아 방지 */
:lang(ko){word-break:keep-all;overflow-wrap:anywhere;line-break:strict}:lang(ja){word-break:auto-phrase;line-break:strict}
:lang(zh-CN),:lang(zh-TW){line-break:strict}
h1,h2,h3,.lead,.sub,summary,.eyebrow{text-wrap:balance}p,li,dd{text-wrap:pretty}
h1,h2,h3{font-weight:800;letter-spacing:-.022em;line-height:1.18;margin:0}:lang(ko) h1,:lang(ko) h2{letter-spacing:-.03em}
h2{font-size:clamp(26px,3.6vw,42px);margin-bottom:14px}h3{font-size:18px;letter-spacing:-.01em;line-height:1.35}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* 상단 */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--border)}
.top-in{max-width:var(--max);margin:0 auto;display:flex;align-items:center;gap:20px;padding:12px 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text);text-decoration:none;letter-spacing:-.01em;white-space:nowrap}
.links{display:flex;gap:22px;margin-left:auto}.links a{color:var(--muted);text-decoration:none;font-size:15px;font-weight:500}.links a:hover{color:var(--text)}
/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:12px;background:var(--grad);color:#fff;text-decoration:none;font-weight:700;border:0;
box-shadow:0 8px 24px rgba(91,140,255,.28),inset 0 1px 0 rgba(255,255,255,.25);transition:transform .15s ease,box-shadow .15s ease,filter .15s}
.btn:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 30px rgba(91,140,255,.38)}
.btn.small{padding:8px 14px;font-size:14px;border-radius:10px;white-space:nowrap}.btn.big{padding:15px 26px;font-size:17px;border-radius:14px}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border2);box-shadow:none}.btn.ghost:hover{background:var(--elev)}
main{overflow:hidden}
section{max-width:var(--max);margin:0 auto;padding:96px 20px}
/* 히어로 */
.hero{position:relative;text-align:center;padding-top:88px;padding-bottom:40px}
.glow{position:absolute;inset:-120px -40vw auto;height:760px;z-index:-1;pointer-events:none;
background:radial-gradient(600px 320px at 50% 30%,rgba(91,140,255,.30),transparent 70%),radial-gradient(520px 300px at 70% 45%,rgba(139,92,246,.22),transparent 70%),radial-gradient(420px 260px at 30% 50%,rgba(217,70,239,.12),transparent 70%)}
.glow::after{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:56px 56px;
-webkit-mask-image:radial-gradient(ellipse at 50% 35%,#000 20%,transparent 70%);mask-image:radial-gradient(ellipse at 50% 35%,#000 20%,transparent 70%);opacity:.6}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0;padding:6px 14px;border-radius:99px;border:1px solid var(--border2);background:color-mix(in srgb,var(--surface) 70%,transparent);color:var(--muted);font-size:14px;font-weight:600}
.dot,.live{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(52,211,153,.18)}
.hero h1{font-size:clamp(38px,6.4vw,76px);line-height:1.08;margin:22px auto 20px;max-width:15em;
background:linear-gradient(180deg,var(--text) 30%,color-mix(in srgb,var(--text) 62%,var(--accent)) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(17px,1.9vw,21px);color:var(--muted);max-width:40em;margin:0 auto 32px}
.ctas{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin:0}
.meta{margin:16px 0 0;color:var(--faint);font-size:14px}
.window{margin:56px auto 0;max-width:1080px;border-radius:16px;border:1px solid var(--border2);background:var(--surface);box-shadow:var(--shadow),0 0 0 1px rgba(255,255,255,.02);overflow:hidden}
.window .bar{display:flex;gap:7px;padding:12px 14px;border-bottom:1px solid var(--border);background:var(--elev)}.window .bar i{width:11px;height:11px;border-radius:50%;background:var(--border2)}
.shot{display:block;width:100%}
.trust{list-style:none;padding:0;margin:36px auto 0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px 28px;color:var(--muted);font-size:15px}
.trust li{display:flex;align-items:center;gap:8px}.trust svg{color:var(--ok);flex:0 0 auto}
/* 카운터 */
.stats{text-align:center;padding-top:64px}
.stats h2{display:flex;align-items:center;justify-content:center;gap:12px;font-size:clamp(22px,2.6vw,30px)}
.live{animation:pulse 2s infinite}@keyframes pulse{50%{box-shadow:0 0 0 9px rgba(52,211,153,0)}}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin:28px 0 0;border-radius:var(--r);overflow:hidden;border:1px solid var(--border);background:var(--border)}
.stat{background:var(--surface);padding:34px 16px;display:flex;flex-direction:column-reverse;gap:6px}
.stat dt{color:var(--muted);font-size:15px;font-weight:600}.stat dd{margin:0}
.num{font-size:clamp(34px,4.6vw,56px);font-weight:800;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;
background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.fine{color:var(--faint);font-size:13px;margin:14px 0 0}
/* 기능 벤토 */
.features h2,.how h2,.family h2,.faq h2{text-align:center}
.sub{color:var(--muted);text-align:center;max-width:44em;margin:0 auto 40px;font-size:18px}
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px}
.feat{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:26px 24px 24px;transition:border-color .2s,transform .2s}
.feat:hover{border-color:var(--border2);transform:translateY(-2px)}
.feat.wide{grid-column:span 1;background:linear-gradient(160deg,color-mix(in srgb,var(--accent) 14%,var(--surface)),var(--surface) 60%)}
@media (min-width:900px){.bento{grid-template-columns:repeat(6,1fr)}.feat{grid-column:span 2}.feat.wide{grid-column:span 3}}
.idx{display:block;font:700 13px/1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--accent);margin-bottom:14px;letter-spacing:.06em}
.feat h3{margin-bottom:8px}.feat p{margin:0;color:var(--muted);font-size:15px}
.feat a.more{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:14px;font-weight:600;text-decoration:none}
/* 단계 */
.steps{list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;counter-reset:s}
.steps li{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:26px 24px}
.steps .num{font-size:15px;display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;-webkit-text-fill-color:#fff;margin-bottom:14px}
.steps p{margin:0;font-weight:600;font-size:17px}
/* 안전 */
.panel{border-radius:24px;padding:48px clamp(24px,5vw,64px);border:1px solid var(--border2);
background:radial-gradient(500px 240px at 0% 0%,rgba(52,211,153,.14),transparent 70%),var(--surface)}
.panel p{color:var(--muted);font-size:18px;max-width:46em;margin:0}
/* 패밀리 */
.fams{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.fam{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:28px 24px}
.fam p{color:var(--muted);font-size:15px;margin:0 0 18px;flex:1}.fam .dom{color:var(--faint);font-size:14px;margin:2px 0 12px;flex:0}
.mark{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-weight:800;font-size:22px;color:#fff;margin-bottom:18px;background:var(--grad)}
.fam-ultari .mark{background:linear-gradient(135deg,#10b981,#0ea5e9)}.fam-origma .mark{background:linear-gradient(135deg,#f59e0b,#ef4444)}
.fam-aipc{border-color:color-mix(in srgb,var(--accent) 45%,var(--border))}
.fam .go{display:inline-flex;align-items:center;gap:6px;font-weight:700;text-decoration:none}.fam .here{color:var(--ok);font-weight:700;font-size:14px}
/* FAQ */
.faq{max-width:860px}
details{border:1px solid var(--border);border-radius:14px;padding:18px 22px;margin:12px 0;background:var(--surface)}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:16px}summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--muted);font-weight:400;font-size:22px;line-height:1}details[open] summary::after{content:"−"}
details p{margin:10px 0 0;color:var(--muted)}
/* 마지막 CTA */
.final-in{text-align:center;border-radius:28px;padding:72px 24px;border:1px solid var(--border2);
background:radial-gradient(700px 300px at 50% 0%,rgba(91,140,255,.25),transparent 70%),var(--surface)}
.final-in h2{font-size:clamp(28px,4vw,46px);max-width:22em;margin:0 auto 14px}.final-in p{color:var(--muted);max-width:36em;margin:0 auto 28px;font-size:18px}
/* 공유 */
.sharebox{padding-top:32px;text-align:center}.sharebox h2{font-size:20px}
.shares{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:12px}
.share{font:inherit;font-size:14px;padding:8px 14px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);text-decoration:none;cursor:pointer}
.share:hover{border-color:var(--border2)}
/* 하단 */
.foot{border-top:1px solid var(--border);background:var(--bg2);margin-top:40px}
.foot-in{max-width:var(--max);margin:0 auto;padding:56px 20px 32px;display:grid;grid-template-columns:1.3fr .8fr .8fr 1.6fr;gap:32px}
.foot-brand p{color:var(--muted);font-size:14px;margin:12px 0 0;max-width:24em}
.foot h2{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin:0 0 12px}
.foot-col ul{list-style:none;padding:0;margin:0}.foot-col li{margin:6px 0}.foot-col a{color:var(--muted);text-decoration:none;font-size:14px}.foot-col a:hover{color:var(--text)}
.company{margin:0;font-size:13px;color:var(--muted);display:grid;grid-template-columns:auto 1fr;gap:4px 14px;align-content:start}
.company div{display:contents}.company dt{color:var(--faint)}.company dd{margin:0}.company .cname dt,.company .cname dd{font-weight:700;color:var(--text);margin-bottom:4px}
.company a{color:var(--muted)}
.foot-bottom{max-width:var(--max);margin:0 auto;padding:20px 20px 40px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--faint);font-size:13px}
.foot-bottom p{margin:0}
.langs{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 14px}.langs a{color:var(--faint);text-decoration:none;font-size:13px}.langs a:hover{color:var(--text)}.langs a[aria-current]{color:var(--text);font-weight:700}
/* 다운로드 페이지 */
.download .hero{padding-bottom:24px}.download .hero h1{font-size:clamp(34px,5vw,56px)}
.download section{padding-top:40px;padding-bottom:40px}.download h2{font-size:clamp(22px,2.6vw,30px)}
.dls{list-style:none;padding:0;max-width:820px;margin:24px auto;display:grid;gap:14px}
.dl{border:1px solid var(--border);background:var(--surface);border-radius:var(--r);padding:24px}
.dl p{margin:6px 0;color:var(--muted);font-size:14px;overflow-wrap:anywhere}.sha code{font-size:12px}
.dl h3{margin:0 0 4px;font-size:20px}.dl .about{color:var(--text);font-size:15px}.dl .btn{margin:10px 0 6px}
.note.signed{max-width:760px;margin:20px auto 0;color:var(--ok);font-weight:600}
.verify,.req{max-width:860px}.verify p,.req ul{color:var(--muted)}.req ul{padding-left:20px}
.warn{max-width:760px;margin:16px auto;text-align:left;border:1px solid #c47f00;border-radius:12px;padding:8px 16px;background:var(--surface)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:var(--elev);border:1px solid var(--border);padding:1px 6px;border-radius:6px}
/* 언어 선택(루트) */
.picker{min-height:100vh;display:grid;place-content:center;text-align:center;max-width:720px;margin:0 auto;padding:24px}.picker h1{font-size:40px;margin:16px 0}.picker p{color:var(--muted)}
.langs.big{justify-content:center;gap:10px;margin-top:20px}.langs.big a{display:inline-block;padding:10px 16px;border:1px solid var(--border2);border-radius:12px;color:var(--text);font-size:15px;background:var(--surface)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.lang-suggest{display:flex;justify-content:center;align-items:center;gap:12px;padding:8px 16px;background:var(--accent);color:#fff;font-size:15px}
.lang-suggest a{color:#fff;font-weight:700}.lang-suggest button{background:none;border:0;color:#fff;font-size:20px;line-height:1;cursor:pointer;padding:0 4px}
/* 이용자 여정·가이드 */
.jgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:36px}
.jcard,.gcard{display:flex;flex-direction:column;text-decoration:none;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:26px 22px;transition:border-color .2s,transform .2s}
.jcard:hover,.gcard:hover{border-color:var(--accent);transform:translateY(-2px)}
.jcard h3,.gcard h3{margin-bottom:10px}.jcard p,.gcard p{color:var(--muted);font-size:15px;margin:0 0 16px;flex:1}
.jcard .more,.gcard .more,.allmore a{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:700;font-size:14px;text-decoration:none}
.jcard{background:linear-gradient(165deg,color-mix(in srgb,var(--accent2) 12%,var(--surface)),var(--surface) 55%)}
.j-new-pc{background:linear-gradient(165deg,color-mix(in srgb,#10b981 16%,var(--surface)),var(--surface) 55%)}
.j-experts{background:linear-gradient(165deg,color-mix(in srgb,#f59e0b 14%,var(--surface)),var(--surface) 55%)}
.j-business{background:linear-gradient(165deg,color-mix(in srgb,#0ea5e9 14%,var(--surface)),var(--surface) 55%)}
.journeys h2,.allfeats h2,.points h2,.related h2{text-align:center}
.allmore{text-align:center;margin:28px 0 0}
.ggrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:36px}
.crumbs{color:var(--faint);font-size:14px;margin-bottom:6px}.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--text)}
.guide .hero h1{font-size:clamp(34px,5.4vw,62px)}.guide section{padding-top:64px;padding-bottom:64px}
.bento.pts .feat{grid-column:span 1}@media (min-width:900px){.bento.pts .feat{grid-column:span 2}}
/* 나타나기 효과 (JS가 있을 때만) */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .reveal{opacity:1;transform:none;transition:none}.live{animation:none}.btn,.feat{transition:none}}
@media (max-width:1000px){.jgrid{grid-template-columns:1fr 1fr}.ggrid{grid-template-columns:1fr 1fr}}
@media (max-width:900px){.links{display:none}.btn.small{margin-left:auto}.steps,.fams{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}
.foot-in{grid-template-columns:1fr 1fr}.company{grid-column:1/-1}.bento{grid-template-columns:1fr 1fr}}
@media (max-width:560px){section{padding:64px 16px}.top-in{padding:10px 16px}.hero{padding-top:56px}.bento{grid-template-columns:1fr}
.ctas .btn{width:100%;max-width:360px}.window{margin-top:36px;border-radius:12px}.foot-in{grid-template-columns:1fr}.btn.small span{display:none}
.stat{padding:24px 10px}.company{grid-template-columns:1fr}.jgrid,.ggrid{grid-template-columns:1fr}.company dt{margin-top:6px}}