:root{--bg:#fff;--soft:#f4f5f9;--fg:#17181c;--mut:#5d6068;--line:#e0e2e8;--a:#4f55c7;--a-soft:#ececfb;--a-fg:#fff;--info:#eff0f4;--sans:"Noto Sans KR","Noto Sans JP","Noto Sans SC",system-ui,-apple-system,sans-serif;--mono:ui-monospace,"SF Mono",Menlo,monospace}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#101116;--soft:#181a22;--fg:#ecedf2;--mut:#a2a6b2;--line:#2a2d37;--info:#1c1e27;--a:#9a9eff;--a-soft:#23244a;--a-fg:#13133a;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#101116;--soft:#181a22;--fg:#ecedf2;--mut:#a2a6b2;--line:#2a2d37;--info:#1c1e27;--a:#9a9eff;--a-soft:#23244a;--a-fg:#13133a;color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 var(--sans)}
h1,h2,h3,p{margin:0}button,input,select{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--a);outline-offset:2px}
.gut{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.in{max-width:1040px;margin:0 auto}[hidden]{display:none!important}
.top{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}
.top .in{display:flex;align-items:center;gap:8px 16px;padding-block:10px;flex-wrap:wrap;max-width:1240px}
.logo{display:inline-flex;align-items:center;gap:9px;font-weight:700;color:var(--fg);text-decoration:none;margin-right:8px}.logo img{width:28px;height:28px;border-radius:8px;object-fit:cover}
.search{display:flex;align-items:center;gap:8px;background:var(--soft);border-radius:10px;padding:6px 12px;min-width:200px;margin-right:auto}
.search input{border:0;background:transparent;outline:0;width:100%;font-size:14px}
.spacer{margin-right:auto}
.top nav{display:flex;gap:16px;align-items:center}
.top nav a{color:var(--mut);text-decoration:none;font-size:14px;white-space:nowrap}.top nav a:hover,.top nav a.on{color:var(--a)}
.tools{display:flex;gap:8px;align-items:center}
.tools select,.tools button,.tools a{border:1px solid var(--line);border-radius:8px;background:var(--bg);padding:5px 10px;font-size:13px;cursor:pointer;color:var(--fg);text-decoration:none}
.tools button,.tools a{width:34px;padding:5px 0;text-align:center}
.tools .gh{display:grid;place-items:center;height:34px;transition:background .2s,border-color .2s,transform .2s}.tools .gh:hover{background:var(--a-soft);border-color:var(--a);color:var(--a)}.tools .gh:active{transform:scale(.9)}
.gh-i{width:19px;height:19px;background:currentColor;-webkit-mask:url(/github-mark.png) center/contain no-repeat;mask:url(/github-mark.png) center/contain no-repeat;transition:transform .45s cubic-bezier(.22,1,.36,1)}.tools .gh:hover .gh-i{transform:rotate(-14deg) scale(1.15)}
@media(prefers-reduced-motion:reduce){.gh,.gh-i{transition:none}}
.tools #theme{position:relative;display:grid;place-items:center;height:34px;overflow:hidden;transition:background .2s,border-color .2s,transform .2s}.tools #theme:hover{background:var(--a-soft);border-color:var(--a);color:var(--a)}.tools #theme:active{transform:scale(.9)}
.ti{grid-area:1/1;width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:opacity .35s ease,transform .5s cubic-bezier(.22,1,.36,1)}
.ic-sun{opacity:0;transform:rotate(-90deg) scale(.4)}.ic-moon{opacity:1;transform:none}
:root[data-theme="dark"] .ic-sun{opacity:1;transform:none}:root[data-theme="dark"] .ic-moon{opacity:0;transform:rotate(90deg) scale(.4)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .ic-sun{opacity:1;transform:none}:root:not([data-theme="light"]) .ic-moon{opacity:0;transform:rotate(90deg) scale(.4)}}
.tools #theme:hover .ti{transform:rotate(20deg)}.tools #theme:hover .ic-sun,.tools #theme:hover .ic-moon{}
@media(prefers-reduced-motion:reduce){.ti,.tools #theme{transition:none}}
.hero{display:block;padding-block:48px 40px}
.hero.noimg{grid-template-columns:1fr}
.demo-box{position:relative;aspect-ratio:4/3;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:linear-gradient(135deg,var(--soft),var(--a-soft),var(--soft));background-size:220% 220%;animation:demo-bg 9s ease-in-out infinite;display:grid;place-items:center}.demo-box .pic{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}.demo-box iframe{position:absolute;inset:0;width:100%;height:100%;border:0;opacity:0;transition:opacity .45s ease}.demo-box iframe.on{opacity:1}
.demo-start{position:relative;display:flex;flex-direction:column;align-items:center;gap:14px;border:0;background:none;padding:12px;cursor:pointer;font:inherit;color:var(--fg);transition:opacity .3s ease,transform .3s ease}
.ds-play{position:relative;display:grid;place-items:center;width:68px;height:68px;border-radius:50%;background:var(--a);color:var(--a-fg);box-shadow:0 8px 24px rgba(79,70,229,.35);transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s}
.ds-play svg{width:26px;height:26px;margin-left:3px}
.ds-play::before,.ds-play::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--a);animation:demo-ring 2.4s ease-out infinite}.ds-play::after{animation-delay:1.2s}
.ds-label{font-weight:600;font-size:14px;padding:6px 14px;border-radius:999px;background:var(--bg);border:1px solid var(--line);transition:background .2s,color .2s,border-color .2s}
.demo-start:hover .ds-play{transform:scale(1.1);box-shadow:0 12px 30px rgba(79,70,229,.5)}.demo-start:hover .ds-label{background:var(--a);color:var(--a-fg);border-color:var(--a)}.demo-start:active .ds-play{transform:scale(.94)}.demo-start:focus-visible{outline:2px solid var(--a);outline-offset:4px;border-radius:16px}
.demo-start.go{opacity:0;transform:scale(.85);pointer-events:none}
@keyframes demo-ring{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.9);opacity:0}}@keyframes demo-bg{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}
@media(prefers-reduced-motion:reduce){.demo-box,.ds-play::before,.ds-play::after{animation:none}.demo-start,.ds-play,.demo-box iframe{transition:none}}
.hero h1{font-size:clamp(34px,7.2vw,84px);font-weight:800;line-height:1.06;letter-spacing:-.035em;text-wrap:balance;word-break:keep-all;margin:6px 0 0}.hero h1 .nw{white-space:nowrap}.hero h1 em{font-style:normal;color:var(--a);display:block}
.eyebrow{display:flex;align-items:center;gap:12px;margin:0;font-weight:700;font-size:13px;letter-spacing:.22em;color:var(--mut)}.eyebrow img{height:36px;width:auto}
.hero p.lead{color:var(--mut);margin:22px 0 28px;max-width:52ch;font-size:clamp(16px,1.6vw,19px);line-height:1.6}
.hero .cta{display:flex;flex-wrap:wrap;gap:10px}.hero .cta .btn{margin:0;padding:13px 26px;font-size:16px}
.hero .demo-box{margin-top:44px;aspect-ratio:16/9}@media(max-width:860px){.hero .demo-box{aspect-ratio:4/3}}
:root[data-theme="dark"] .eyebrow img{filter:invert(1)}@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .eyebrow img{filter:invert(1)}}

.btn{display:inline-block;padding:11px 22px;border-radius:999px;font-weight:600;text-decoration:none;font-size:15px}
.btn.p{background:var(--a);color:var(--a-fg)}.btn.s{background:var(--a-soft);color:var(--a);margin-left:8px}
.pic{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}
section.s{padding-block:44px}section.s h2{font-size:24px;margin-bottom:18px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.cards div{background:var(--soft);border-radius:14px;padding:20px}.cards h3{font-size:16px;margin-bottom:6px}.cards p{font-size:14px;color:var(--mut)}
@keyframes up{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}@keyframes pop-in{from{opacity:0;transform:scale(.6)}to{opacity:1;transform:none}}@keyframes logo-in{from{opacity:0;transform:translateX(-12px) rotate(-8deg)}to{opacity:1;transform:none}}
.hero>*{animation:up .8s cubic-bezier(.22,1,.36,1) both}.hero>.eyebrow{animation-delay:.05s}.hero>h1{animation-delay:.15s}.hero>.lead{animation-delay:.3s}.hero>.cta{animation-delay:.42s}.hero>.demo-box{animation:up 1s cubic-bezier(.22,1,.36,1) .55s both,demo-bg 9s ease-in-out infinite}
.hero h1 em{animation:up .8s cubic-bezier(.22,1,.36,1) .28s both}.eyebrow img{animation:logo-in .9s cubic-bezier(.22,1,.36,1) .1s both}
.js .rv{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.22,1,.36,1) var(--d,0ms),transform .7s cubic-bezier(.22,1,.36,1) var(--d,0ms)}.js .rv.pop{transform:scale(.7)}.js .rv.vis{opacity:1;transform:none}
.step.rv.vis:hover{transform:translateY(-4px)}.cards div{transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s}.cards div.vis:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.07)}
.btn{transition:transform .2s cubic-bezier(.22,1,.36,1),box-shadow .2s,background .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(79,70,229,.25)}.btn:active{transform:scale(.96)}.chip{transition:transform .2s,background .2s,color .2s}.chip.vis:hover{transform:translateY(-2px);background:var(--a);color:var(--a-fg)}
.top{transition:box-shadow .3s}.top.sc{box-shadow:0 4px 18px rgba(0,0,0,.08)}details summary{transition:color .2s}details summary:hover{color:var(--a)}details[open] p{animation:up .4s cubic-bezier(.22,1,.36,1)}
@media(prefers-reduced-motion:reduce){.hero>*,.hero h1 em,.eyebrow img,details[open] p{animation:none!important}.js .rv{opacity:1;transform:none;transition:none}.btn,.chip,.cards div,.top{transition:none}}
.h2l{color:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:8px}.h2l::after{content:"→";font-size:.8em;color:var(--a);opacity:.55;transform:translateX(0);transition:transform .25s cubic-bezier(.22,1,.36,1),opacity .2s}.h2l:hover{color:var(--a)}.h2l:hover::after,.h2l:focus-visible::after{transform:translateX(6px);opacity:1}.h2l:focus-visible{outline:2px solid var(--a);outline-offset:4px;border-radius:6px}
.who{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.persona{background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:26px 24px 24px;transition:transform .25s cubic-bezier(.22,1,.36,1),border-color .25s,box-shadow .25s}
.persona.vis:hover{transform:translateY(-4px);border-color:var(--a);box-shadow:0 14px 30px rgba(79,70,229,.12)}
.persona .pic2{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:var(--a-soft);color:var(--a);margin-bottom:20px}
.persona h3{font-size:19px;line-height:1.35;letter-spacing:-.02em;margin:0 0 10px;word-break:keep-all}.persona p{color:var(--mut);font-size:15px;line-height:1.7;margin:0 0 18px;word-break:keep-all}
@media(max-width:860px){.who{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.persona{transition:none}.persona.vis:hover{transform:none}}
.doc>h1{animation:up .6s cubic-bezier(.22,1,.36,1) both}.doc>h1~p:first-of-type,.doc>h1+p{animation:up .6s cubic-bezier(.22,1,.36,1) .1s both}
.side a{position:relative;transition:color .2s,transform .25s cubic-bezier(.22,1,.36,1)}.side a:hover{transform:translateX(4px)}.side a.on::before{content:"";position:absolute;left:-12px;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--a);animation:bar .35s cubic-bezier(.22,1,.36,1)}
@keyframes bar{from{transform:scaleY(0)}to{transform:none}}
.pager a{transition:transform .25s cubic-bezier(.22,1,.36,1),border-color .2s,background .2s}.pager a:hover{transform:translateY(-3px);border-color:var(--a);background:var(--a-soft)}
.doc .pic.rv.vis{transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1),box-shadow .3s}.doc .pic.rv.vis:hover{box-shadow:0 12px 30px rgba(0,0,0,.12)}
.doc a{transition:opacity .2s}.doc a:hover{opacity:.75}
@media(prefers-reduced-motion:reduce){.doc>h1,.doc>h1+p,.side a.on::before{animation:none}.side a,.pager a{transition:none}.side a:hover,.pager a:hover{transform:none}}
.how-h{font-size:clamp(26px,4vw,36px)!important;font-weight:800;letter-spacing:-.03em;margin:0 0 8px!important}.how-sub{color:var(--mut);margin:0 0 30px;font-size:16px}
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{position:relative;background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:26px 24px 24px;transition:transform .25s cubic-bezier(.22,1,.36,1),border-color .25s,box-shadow .25s}
.step:hover{transform:translateY(-4px);border-color:var(--a);box-shadow:0 14px 30px rgba(79,70,229,.12)}
.step:not(:last-child)::after{content:"";position:absolute;top:49px;right:-22px;width:22px;border-top:2px dashed var(--line)}
.step .n{position:absolute;top:10px;right:20px;font-size:68px;font-weight:800;letter-spacing:-.05em;line-height:1;color:var(--a);opacity:.14;user-select:none}
.step .ic{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--a);color:var(--a-fg);margin-bottom:20px}
.step h3{font-size:21px;letter-spacing:-.02em;margin:0 0 10px}.step p{color:var(--mut);font-size:15px;line-height:1.65;margin:0 0 18px;min-height:5.2em}
.tags{display:flex;flex-wrap:wrap;gap:6px}.tags span{font-size:12px;font-weight:600;padding:4px 11px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--mut)}
@media(max-width:860px){.how{grid-template-columns:1fr}.step:not(:last-child)::after{display:none}.step p{min-height:0}}
@media(prefers-reduced-motion:reduce){.step{transition:none}.step:hover{transform:none}}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:4px 12px;border-radius:999px;font-size:14px;font-weight:600;background:var(--a-soft);color:var(--a)}
details{border-top:1px solid var(--line);padding:14px 0}details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:600}details p{color:var(--mut);margin-top:8px}
footer{border-top:1px solid var(--line);color:var(--mut);font-size:13px;text-align:center;padding-block:24px}
.docs{display:grid;grid-template-columns:260px minmax(0,1fr);max-width:1240px;margin:0 auto}
.side{border-right:1px solid var(--line);padding:24px 20px;position:sticky;top:57px;align-self:start;max-height:calc(100vh - 57px);overflow:auto;background:var(--soft)}
.side h3{font-size:14px;margin:0 0 6px}.side .grp{padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--line)}.side .grp:last-child{border:0}
.side a{display:block;padding:5px 0;font-size:14px;color:var(--mut);text-decoration:none}.side a:hover{color:var(--fg)}.side a.on{color:var(--a);font-weight:600}
.doc{padding:40px 32px 64px;max-width:820px;min-width:0}
.doc h1{font-size:34px;line-height:1.25;margin-bottom:18px}
.doc h2{font-size:22px;margin:34px 0 10px;padding-top:20px;border-top:1px solid var(--line)}
.doc p{margin:0 0 14px}.doc ul,.doc ol{margin:0 0 14px;padding-left:22px}.doc li{margin:4px 0}.doc a{color:var(--a)}
.doc code{font:14px var(--mono);background:var(--soft);border-radius:5px;padding:1px 6px}
.doc .pic{margin:0 0 16px}
.info{background:var(--info);border-radius:10px;padding:14px 18px;margin:18px 0}.info b{display:block;font-size:14px;margin-bottom:4px}.info p{margin:0;font-size:14px;color:var(--mut)}
.tw{overflow-x:auto;margin:0 0 16px}
.doc table{border-collapse:collapse;width:100%;font-size:14px}.doc th,.doc td{border:1px solid var(--line);padding:8px 12px;text-align:left;vertical-align:top}.doc th{background:var(--soft)}
.doc kbd{font:13px var(--mono);border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:1px 7px;background:var(--bg)}
.meta{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:48px;font-size:14px;color:var(--mut)}
.pager{display:flex;gap:12px;margin-top:20px;border-top:1px solid var(--line);padding-top:20px}
.pager a{flex:1;border:1px solid var(--line);border-radius:10px;padding:10px 16px;text-decoration:none;color:var(--a);font-weight:600;display:block}
.pager a small{display:block;color:var(--mut);font-weight:400;font-size:12px}.pager a.nx{text-align:right}
.noresult{font-size:13px;color:var(--mut);padding:6px 0}
@media(max-width:860px){.hero{grid-template-columns:1fr;padding-block:32px}.docs{grid-template-columns:1fr}.side{position:static;max-height:none;border-right:0;border-bottom:1px solid var(--line)}.doc{padding:28px 16px 48px}.search{min-width:0;flex:1 1 100%;order:5}}
.fb{max-width:640px;margin:0 auto;padding:40px 0 64px}.fb h1{font-size:28px;margin-bottom:10px}.fb>p{color:var(--mut);margin-bottom:20px}
.fb form{display:grid;gap:14px}.fb label{display:grid;gap:4px;font-size:14px;color:var(--mut)}
.fb select,.fb textarea,.fb input[type=text]{width:100%;border:1px solid var(--line);border-radius:8px;background:var(--bg);padding:8px 10px;font-size:15px}
.fb textarea{min-height:140px;resize:vertical}.fb .chk{display:flex;gap:8px;align-items:center}.fb .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fb button[type=submit]{justify-self:start;border:0;cursor:pointer;background:var(--a);color:var(--a-fg);border-radius:999px;padding:10px 24px;font-weight:600;font-size:15px}
.fb button[disabled]{opacity:.6;cursor:default}.fb .note{font-size:13px;color:var(--mut)}.fb .pics{display:grid;gap:8px;font-size:14px;color:var(--mut)}.fb .pl{display:flex;gap:8px;flex-wrap:wrap}.fb .pic1{display:grid;gap:4px;width:96px}.fb .pic1 img{width:96px;height:72px;object-fit:cover;border:1px solid var(--line);border-radius:6px}.fb .pic1 button,.fb .addimg{border:1px solid var(--line);background:var(--bg);color:var(--fg);border-radius:8px;padding:4px 10px;font-size:13px;cursor:pointer}.fb .addimg{justify-self:start;display:inline-block}.fb .st{font-size:14px;min-height:1.5em}.fb .st.err{color:#c2410c}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.hero .gnote{margin-top:16px;font-size:14px;color:var(--mut)}.hero .gnote a{color:inherit;text-decoration:underline}
.hero .mnote{display:none;margin-top:18px;font-size:14px;color:var(--mut)}@media(max-width:860px) and (pointer:coarse){.hero .mnote{display:block}}