@property --bg{syntax: "<color>"; inherits: true; initial-value: #0b0b0b;}@property --fg{syntax: "<color>"; inherits: true; initial-value: #f2f2ef;}@property --ac{syntax: "<color>"; inherits: true; initial-value: #f2f2ef;}@property --card{syntax: "<color>"; inherits: true; initial-value: #1c1c1e;}@property --on-ac{syntax: "<color>"; inherits: true; initial-value: #0b0b0b;}:root{--bg: #0b0b0b;--fg: #f2f2ef;--ac: #f2f2ef;--card: #1c1c1e;--on-ac: #0b0b0b;transition:--bg .9s var(--ease),--fg .9s var(--ease),--ac .9s var(--ease),--card .9s var(--ease),--on-ac .9s var(--ease);--soft: color-mix(in srgb, var(--fg) 6%, var(--bg));--mute: color-mix(in srgb, var(--fg) 60%, var(--bg));--hair: color-mix(in srgb, var(--fg) 13%, transparent);--shadow: 0 1px 2px rgb(0 0 0 / .04), 0 8px 24px -8px rgb(0 0 0 / .12), 0 32px 64px -32px rgb(0 0 0 / .28);--gx: clamp(20px, 4vw, 48px);--wrap: 1120px;--hdr: 48px;--r-xl: 32px;--r-lg: 24px;--r-md: 18px;--r-sm: 12px;--f-ko: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;--f-mono: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, monospace;--ease: cubic-bezier(.25, .1, .25, 1);--ease-out: cubic-bezier(.16, 1, .3, 1)}:root[data-theme=mono]{--bg: #0b0b0b;--fg: #f2f2ef;--ac: #f2f2ef;--card: #1c1c1e;--on-ac: #0b0b0b}:root[data-theme=sourity]{--bg: #f5f5f7;--fg: #1d1d1f;--ac: #1d1d1f;--card: #ffffff;--on-ac: #f5f5f7}:root[data-theme=onstudy]{--bg: #2166ce;--fg: #ffffff;--ac: #0f141c;--card: #3a77d4;--on-ac: #ffffff;--mute: color-mix(in srgb, var(--fg) 85%, var(--bg))}:root[data-theme=deulkyeotda]{--bg: #f5f5f7;--fg: #1d1d1f;--ac: #0071e3;--card: #ffffff;--on-ac: #ffffff}:root[data-theme=robotarm]{--bg: #1f273a;--fg: #e7ecf5;--ac: #ffd166;--card: #29334a;--on-ac: #1f273a}:root[data-theme=codemovie]{--bg: #edefee;--fg: #121212;--ac: #e5383b;--card: #fafbfa;--on-ac: #ffffff}:root[data-theme=about]{--bg: #fafaf7;--fg: #0b0b0b;--ac: #0b0b0b;--card: #ffffff;--on-ac: #fafaf7}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:var(--hdr);-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--fg);font-family:var(--f-ko);font-size:17px;line-height:1.5;letter-spacing:-.01em;word-break:keep-all;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:clip}main,footer{position:relative;z-index:1}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;text-align:inherit}img{display:block;max-width:100%}::selection{background:color-mix(in srgb,var(--ac) 30%,transparent)}:focus-visible{outline:2px solid var(--ac);outline-offset:3px;border-radius:6px}.red{color:var(--ac)}.blink{animation:blink 1s steps(1) infinite}@keyframes blink{50%{opacity:0}}.grad{background:linear-gradient(180deg,var(--fg) 20%,color-mix(in srgb,var(--fg) 42%,var(--bg)) 100%);-webkit-background-clip:text;background-clip:text;color:transparent}.btn{display:inline-flex;align-items:center;gap:6px;font:500 17px/1 var(--f-ko);letter-spacing:-.01em;white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease),opacity .2s var(--ease),transform .2s var(--ease)}.btn--fill{background:var(--ac);color:var(--on-ac);padding:13px 22px;border-radius:980px}.btn--fill:hover{background:color-mix(in srgb,var(--ac) 86%,var(--bg))}.btn--fill:active{transform:scale(.97)}.btn--link{color:var(--ac);padding:13px 4px}.btn--link span{font-size:1.25em;line-height:0;transform:translateY(-.04em);transition:transform .2s var(--ease)}.btn--link:hover{text-decoration:underline;text-underline-offset:4px}.btn--link:hover span{transform:translate(2px,-.04em)}.hdr{position:fixed;inset:0 0 auto;height:var(--hdr);z-index:100;background:color-mix(in srgb,var(--bg) 72%,transparent);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--hair);color:var(--fg);font:400 12.5px/1 var(--f-ko)}.hdr__in{max-width:calc(var(--wrap) + 2 * var(--gx));height:100%;margin:0 auto;padding:0 var(--gx);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.hdr__name{font:700 17px/1 var(--f-ko);letter-spacing:-.02em}.hdr__nav{display:flex;gap:clamp(20px,3vw,40px)}.hdr__nav a{opacity:.8;transition:opacity .2s var(--ease)}.hdr__nav a:hover,.hdr__nav a[aria-current]{opacity:1}.hdr__nav a[aria-current]{font-weight:600}.hdr__meta{display:flex;justify-content:flex-end;align-items:center;gap:18px}.hdr__clock{color:var(--mute);font-variant-numeric:tabular-nums}.hdr__cta{display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border-radius:980px;background:var(--soft);font-weight:500;transition:background .2s var(--ease)}.hdr__cta:hover{background:color-mix(in srgb,var(--fg) 12%,var(--bg))}.hdr__cta i{width:7px;height:7px;background:var(--ac);border-radius:50%}.hero{position:relative;min-height:100svh;padding:calc(var(--hdr) + clamp(64px,10vh,120px)) var(--gx) 72px;display:flex;flex-direction:column;align-items:center;text-align:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:-20% -10% auto;height:80%;background:radial-gradient(closest-side,color-mix(in srgb,var(--fg) 10%,transparent),transparent);pointer-events:none;z-index:-1}.hero__eyebrow{font:600 clamp(15px,1.4vw,19px) / 1.3 var(--f-ko);color:var(--mute);animation:rise 1.2s var(--ease-out) both}.hero__title{display:flex;flex-direction:column;margin:4px 0 28px;font:800 clamp(44px,7vw,112px) / 1 var(--f-ko);letter-spacing:-.055em}.hero__line{display:block;animation:rise 1.2s var(--ease-out) both}.hero__line.l1{animation-delay:.08s}.hero__line.l2{animation-delay:.16s}.hero__line.l3{animation-delay:.24s;padding-bottom:.06em}@keyframes rise{0%{transform:translateY(24px);opacity:0}}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.hero__visual{width:min(50%,520px);height:auto;margin:clamp(24px,4vh,48px) 0 clamp(28px,4vh,44px);animation:rise 1.4s var(--ease-out) .12s both}.hero__lede{max-width:34em;font:500 clamp(18px,1.7vw,23px) / 1.5 var(--f-ko);color:var(--mute);letter-spacing:-.02em;animation:rise 1.2s var(--ease-out) .32s both}.hero__cta{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 24px;margin-top:32px;animation:rise 1.2s var(--ease-out) .4s both}.hero__facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;width:100%;max-width:880px;margin-top:clamp(56px,9vh,96px);animation:rise 1.2s var(--ease-out) .5s both}.hero__facts div{background:var(--card);border-radius:var(--r-lg);padding:22px 24px 26px;text-align:left}.hero__facts dt{font:600 14px/1.3 var(--f-ko);color:var(--mute)}.hero__facts dd{margin-top:10px;font:700 clamp(40px,4.4vw,60px) / 1 var(--f-ko);letter-spacing:-.04em;font-variant-numeric:tabular-nums}.hero__facts small{font-size:.42em;font-weight:600;margin-left:3px;letter-spacing:-.01em;color:var(--mute)}.hero__now{display:grid;width:100%;max-width:880px;margin-top:12px;text-align:left;animation:rise 1.2s var(--ease-out) .58s both}.hero__now div{border:1px solid var(--hair);border-radius:var(--r-md);padding:16px 20px}.hero__now em{display:block;font:normal 600 12px/1 var(--f-ko);color:var(--mute);margin-bottom:8px}.hero__now p{font-size:15px;font-weight:500}.shead{max-width:calc(var(--wrap) + 2 * var(--gx));margin:0 auto;padding:clamp(112px,16vh,168px) var(--gx) clamp(24px,4vh,48px);text-align:center}.shead__eyebrow{font:600 clamp(15px,1.4vw,19px) / 1 var(--f-ko);color:var(--mute);font-variant-numeric:tabular-nums}.shead__title{margin-top:14px;font:800 clamp(56px,8vw,120px) / 1.04 var(--f-ko);letter-spacing:-.05em}.shead__aside{max-width:30em;margin:20px auto 0;font:500 clamp(17px,1.5vw,21px) / 1.5 var(--f-ko);color:var(--mute);letter-spacing:-.02em}.proj{max-width:calc(var(--wrap) + 2 * var(--gx));margin:0 auto;padding:clamp(112px,16vh,176px) var(--gx) clamp(112px,14vh,160px)}.proj+.proj{border-top:1px solid var(--hair)}.proj__head{text-align:center}.proj__status{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:980px;background:var(--card);font:600 13px/1 var(--f-ko)}.proj__status i{width:7px;height:7px;border-radius:50%;background:var(--ac)}.proj__name{margin-top:22px;font:800 clamp(64px,10vw,152px) / 1 var(--f-ko);letter-spacing:-.055em}.proj__kicker{margin-top:14px;font:600 clamp(22px,2.4vw,32px) / 1.3 var(--f-ko);letter-spacing:-.035em}.proj__sub{margin-top:14px;font:500 13px/1 var(--f-ko);letter-spacing:.02em;color:var(--mute);font-variant-numeric:tabular-nums}.proj__stage{max-width:780px;margin:clamp(48px,7vh,80px) auto 0}.proj__stage .vis{border-radius:var(--r-xl);box-shadow:var(--shadow)}.proj__grid{display:grid;grid-template-columns:1.7fr 1fr;gap:16px;margin-top:clamp(56px,8vh,96px)}.proj__lead{padding:8px 8px 8px 0}.proj__desc{font:500 clamp(19px,1.6vw,23px) / 1.55 var(--f-ko);letter-spacing:-.025em}.proj__links{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;margin-top:28px}.proj__private{margin-top:24px;font:500 15px/1.4 var(--f-ko);color:var(--mute)}.proj__metric{display:flex;flex-direction:column;justify-content:flex-end;gap:10px;min-height:220px;padding:28px;border-radius:var(--r-lg);background:var(--card)}.proj__metric strong{font:800 clamp(64px,7vw,104px) / .95 var(--f-ko);letter-spacing:-.05em;color:var(--ac);font-variant-numeric:tabular-nums}.proj__metric span{font:600 15px/1.3 var(--f-ko);color:var(--mute)}.proj__more{margin-top:64px}.proj h4{font:700 clamp(22px,2vw,28px) / 1.2 var(--f-ko);letter-spacing:-.03em;margin-bottom:18px}.proj__built{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.proj__built li{display:flex;flex-direction:column;gap:14px;padding:22px 24px 24px;border-radius:var(--r-md);background:var(--card);font:500 16px/1.5 var(--f-ko);letter-spacing:-.015em}.proj__built li span{font:600 13px/1 var(--f-mono);color:var(--ac)}.proj__meta{display:grid;margin-top:40px;border-top:1px solid var(--hair)}.proj__meta div{display:grid;grid-template-columns:6rem 1fr;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--hair)}.proj__meta dt{font:600 14px/1.8 var(--f-ko);color:var(--mute)}.proj__meta dd{font:500 16px/1.8 var(--f-ko)}.tags{display:flex;flex-wrap:wrap;gap:6px}.tags span{font:500 13px/1 var(--f-ko);background:var(--soft);border-radius:980px;padding:8px 12px}.vis{position:relative;width:100%;aspect-ratio:32 / 22;background:var(--card);overflow:hidden;font-family:var(--f-mono),var(--f-ko);font-size:12px;color:var(--fg);container-type:inline-size;isolation:isolate}.vis--term{background:var(--fg);color:var(--bg);display:flex;flex-direction:column}.vis__bar{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid color-mix(in srgb,var(--bg) 14%,transparent);font:500 clamp(10px,2.4cqw,12px) / 1 var(--f-ko);color:color-mix(in srgb,var(--bg) 60%,var(--fg))}.vis__bar>span:last-child{margin-left:auto}.vis__dots{display:inline-flex;gap:7px}.vis__dots i{width:11px;height:11px;border-radius:50%;background:color-mix(in srgb,var(--bg) 28%,var(--fg))}.vis--term ul{list-style:none;flex:1;min-height:0;overflow:hidden;padding:10px 22px 0;display:flex;flex-direction:column;justify-content:flex-end}.vis--term li{display:grid;grid-template-columns:1.6em 1fr auto;gap:10px;padding:5px 0;font-size:clamp(11px,2.6cqw,17px);opacity:.4}.vis--term li:nth-child(n+5){opacity:.72}.vis--term li.is-new{opacity:1;animation:logIn .5s var(--ease-out)}.vis--term .red{color:inherit}.vis--term li em{font-style:normal;opacity:.6}@keyframes logIn{0%{transform:translateY(10px);opacity:0}}.vis__caret{padding:8px 22px 18px}.vis--film{display:grid;grid-template-columns:auto 1fr;gap:7%;padding:7%;align-items:center}.film{height:100%;display:flex;align-items:center}.film__frame{height:100%;aspect-ratio:9 / 16;background:var(--bg);border-radius:clamp(10px,3cqw,22px);box-shadow:0 0 0 1px var(--hair),0 18px 40px -18px #0000004d;position:relative;display:grid;place-items:center}.film__word{font:800 clamp(16px,7cqw,34px) / 1 var(--f-ko);letter-spacing:-.04em;color:var(--ac)}.film__tag{position:absolute;bottom:6%;font:600 clamp(6px,2.2cqw,9px) / 1 var(--f-ko);color:var(--mute)}.film__side{display:flex;flex-direction:column;gap:18px;min-width:0}.film__tc{font:600 clamp(24px,11cqw,48px) / 1 var(--f-ko);letter-spacing:-.03em;font-variant-numeric:tabular-nums}.film__tc small{display:block;font:500 11px/1 var(--f-ko);letter-spacing:0;color:var(--mute);margin-top:8px}.film__tl{position:relative;display:flex;justify-content:space-between;align-items:center;height:14px}.film__tl:before{content:"";position:absolute;inset:50% 0 auto;height:4px;border-radius:4px;background:var(--hair);translate:0 -50%}.film__tl i{position:relative;width:10px;height:10px;background:var(--card);box-shadow:inset 0 0 0 2px var(--hair);border-radius:50%;transition:background .3s var(--ease)}.film__tl i.on{background:var(--fg);box-shadow:none}.film__head{position:absolute;top:-5px;width:3px;height:24px;border-radius:3px;background:var(--ac)}.vis--film code{font-size:clamp(9px,3.2cqw,12px);color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.vis--deul{display:flex;flex-direction:column;padding:5.5%;gap:4.5%}.deul__head,.deul__foot{display:flex;justify-content:space-between;font:600 clamp(11px,3.4cqw,15px) / 1.2 var(--f-ko)}.deul__head span:first-child,.deul__foot{color:var(--mute)}.deul__foot button{color:var(--ac);font-weight:600}.deul__foot button:hover{text-decoration:underline;text-underline-offset:3px}.deul__grid{flex:1;display:grid;grid-template-columns:repeat(5,1fr);gap:clamp(6px,1.6cqw,12px)}.deul__cell{position:relative;display:grid;place-items:center;text-align:center;border-radius:clamp(8px,2.4cqw,16px);font:700 clamp(13px,4.6cqw,22px) / 1 var(--f-ko);letter-spacing:-.03em;background:var(--bg);color:var(--mute);transition:background .35s var(--ease),color .35s var(--ease),transform .35s var(--ease-out)}.deul__cell:hover{transform:scale(1.03)}.deul__cell small{position:absolute;top:6px;left:8px;font:500 8px/1 var(--f-mono);opacity:.6}.deul__cell.is-hit{background:var(--ac);color:var(--on-ac)}.deul__cell.is-miss{background:var(--fg);color:var(--bg)}.vis--study{padding:6%;display:flex;flex-direction:column;gap:7%}.study__tabs{display:flex;flex-wrap:wrap;gap:2px;padding:3px;align-self:flex-start;border-radius:980px;background:color-mix(in srgb,var(--fg) 12%,transparent)}.study__tabs span{font:600 clamp(10px,3.2cqw,13px) / 1 var(--f-ko);padding:7px 12px;border-radius:980px;transition:background .3s var(--ease),color .3s var(--ease)}.study__tabs span.on{background:var(--fg);color:var(--bg)}.study__q{display:flex;flex-direction:column;gap:9px}.study__no{font-weight:600;color:var(--ac)}.study__q i{height:9px;border-radius:9px;background:var(--fg);opacity:.2}.study__a{flex:1;display:flex;gap:10px;align-items:stretch;animation:logIn .5s var(--ease-out)}.study__a>span{flex:1;display:grid;place-items:center;border-radius:clamp(10px,2.6cqw,18px);background:color-mix(in srgb,var(--fg) 10%,transparent);font:600 clamp(12px,5cqw,20px) / 1 var(--f-ko)}.study__a .big{font:800 clamp(28px,15cqw,64px) / 1 var(--f-ko)}.study__a .pick{background:var(--fg);color:var(--bg)}.study__a .short{justify-items:start;padding-left:18px}.match{width:100%;height:100%}.match rect{fill:color-mix(in srgb,var(--fg) 14%,transparent);rx:3px}.match path{stroke:var(--fg);stroke-width:1.5;stroke-linecap:round;fill:none}.vis--robot svg{width:100%;height:100%;display:block;touch-action:none}.vis--robot .grid{stroke:color-mix(in srgb,var(--fg) 7%,transparent)}.vis--robot .floor{stroke:var(--hair);stroke-width:1}.vis--robot .link{stroke:var(--fg);stroke-width:9;stroke-linecap:round}.vis--robot .joint{fill:var(--card);stroke:var(--fg);stroke-width:2.5}.vis--robot .base{fill:var(--fg);rx:4px}.vis--robot .grip{stroke:var(--fg);stroke-width:4;stroke-linecap:round;stroke-linejoin:round;fill:none}.vis--robot .cube{fill:var(--ac);rx:3px}.vis--robot .lbl{font:500 8.5px var(--f-mono);fill:var(--mute)}.vis--robot .lbl--ko{font-family:var(--f-ko);font-weight:600}.vis--robot .lbl.red{fill:var(--ac)}.channel{padding-bottom:clamp(96px,14vh,160px)}.ch__hero{padding:16px var(--gx) 0;text-align:center}.ch__kicker{font:600 clamp(17px,1.6vw,21px) / 1 var(--f-ko);color:var(--mute);margin-bottom:14px}.ch__title{font:700 clamp(32px,4.4vw,64px) / 1.1 var(--f-ko);letter-spacing:-.045em}.ch__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:calc(var(--wrap) + 2 * var(--gx));margin:clamp(48px,7vh,80px) auto 0;padding:0 var(--gx)}.ch__stats div{padding:22px 24px 26px;border-radius:var(--r-lg);background:var(--card)}.ch__stats dt{font:600 14px/1.3 var(--f-ko);color:var(--mute);margin-bottom:14px}.ch__stats dd{font:700 clamp(40px,4.6vw,68px) / 1 var(--f-ko);letter-spacing:-.04em;font-variant-numeric:tabular-nums}.ch__stats dd small{font-size:.4em;font-weight:600;margin-left:3px;color:var(--mute)}.ch__stats div:nth-child(3) dd{color:var(--ac)}.ch__strip{position:relative;display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x proximity;scroll-padding:0 max(var(--gx),calc((100vw - var(--wrap)) / 2));padding:48px max(var(--gx),calc((100vw - var(--wrap)) / 2)) 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