/* 켜켜이 — gotjinju.com 톤(종이·먹·진주층) */
@font-face{font-family:"Paperlogy";src:url("https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-7Bold.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Paperlogy";src:url("https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-8ExtraBold.woff2") format("woff2");font-weight:800;font-display:swap}
:root{
  --paper:#f7f3ed;--paper2:#efe8dd;--surface:#fffdf9;--ink:#201916;--ink2:#5c534d;--ink3:#8f857c;--line:rgba(32,25,22,.14);
  --shell:#68506f;--pop:#ffd84d;--n1:#d9cff0;--n2:#f1d6df;--n3:#f4e9d2;--n4:#cfe4ee;
  --fail:#c4513a;--turn:#68506f;--win:#2f7a58;
  --sheen:linear-gradient(90deg,var(--n1),var(--n2) 35%,var(--n3) 65%,var(--n4));
  --body:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo",sans-serif;
  --head:Paperlogy,"Pretendard Variable","Apple SD Gothic Neo",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16.5px;line-height:1.75;letter-spacing:-.01em;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block;max-width:100%}
h1,h2,h3{font-family:var(--head);letter-spacing:-.04em;line-height:1.2;margin:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(18px,4vw,48px)}
.narrow{max-width:860px}
.kicker{font-size:12px;letter-spacing:.24em;font-weight:700;color:var(--ink3);margin:0 0 16px;text-transform:uppercase}
:focus-visible{outline:2px solid var(--shell);outline-offset:3px}

/* 머리글 */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:58px;gap:12px}
.logo{display:flex;align-items:baseline;gap:10px;text-decoration:none;white-space:nowrap}
.logo b{font-family:var(--head);font-size:21px;letter-spacing:-.04em}
.logo em{font-style:normal;font-size:13px;color:var(--ink3)}
.top nav{display:flex;gap:2px;font-size:14px}
.top nav a{text-decoration:none;color:var(--ink2);padding:6px 12px;border-radius:999px;white-space:nowrap}
.top nav a:hover{background:var(--surface);color:var(--ink)}

/* 첫 화면 */
.ihero{padding:clamp(64px,10vw,140px) 0 clamp(48px,7vw,96px);border-bottom:1px solid var(--line);overflow:hidden}
.strata{position:relative;display:inline-block;font-size:clamp(84px,17vw,230px);font-weight:800;line-height:.92;letter-spacing:-.06em;margin:0 0 28px}
.strata span{display:block}
.strata span+span{position:absolute;inset:0;z-index:-1}
.strata span:nth-child(2){color:var(--n2);transform:translate(.045em,.06em)}
.strata span:nth-child(3){color:var(--n4);transform:translate(.09em,.12em)}
.motto{font-family:var(--head);font-size:clamp(20px,2.4vw,30px);letter-spacing:-.03em;margin:0 0 14px}
.intro{max-width:36em;color:var(--ink2);margin:0 0 40px}
.count{display:flex;flex-wrap:wrap;gap:12px 48px}
.count div{display:flex;align-items:baseline;gap:10px}
.count b{font-family:var(--head);font-size:44px;letter-spacing:-.04em}
.count span{font-size:14px;color:var(--ink3)}

/* 공통 섹션 */
.sec{padding:clamp(64px,8vw,112px) 0}
.sec.alt{background:var(--paper2)}
.sec.dark{background:#161210;color:#f3ece3}
.sec h2{font-size:clamp(32px,4.4vw,52px);margin:0 0 20px}
.secno{font-family:var(--head);font-size:14px;font-weight:700;letter-spacing:.12em;color:var(--shell);margin:0 0 8px}
.sec.dark .secno{color:var(--n1)}
.sub{color:var(--ink2);margin:-6px 0 36px}
.shead{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px;border-top:2px solid var(--ink);padding-top:18px;margin-bottom:32px}
.shead h2{font-size:clamp(26px,3vw,36px);margin:0}
.shead span{color:var(--ink3);font-size:14px}

/* 케이스 카드 */
.cases{display:grid;gap:28px}
.ccard{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden;text-decoration:none;transition:transform .4s cubic-bezier(.16,1,.3,1),box-shadow .4s}
.ccard:hover{transform:translateY(-3px);box-shadow:0 30px 60px -40px rgba(32,25,22,.5)}
.cimg{position:relative;min-height:320px;background:#222}
.cimg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cimg span{position:absolute;left:18px;top:16px;font-size:12px;letter-spacing:.2em;font-weight:700;color:#fff;background:rgba(0,0,0,.55);padding:5px 10px;border-radius:999px}
.cbody{padding:clamp(24px,3.4vw,44px);display:flex;flex-direction:column}
.kind{font-size:13px;color:var(--shell);font-weight:700;margin:0 0 6px}
.cbody h3{font-size:clamp(34px,4vw,52px);margin:0 0 12px}
.cbody>p{color:var(--ink2);margin:0 0 22px}
.cbody ul{list-style:none;padding:0;margin:0 0 24px;display:grid;grid-template-columns:1fr 1fr;gap:12px 18px}
.cbody li{font-size:13px;color:var(--ink3);line-height:1.4}
.cbody li b{display:block;font-family:var(--head);font-size:24px;color:var(--ink);letter-spacing:-.03em}
.more{margin-top:auto;font-weight:700}
.ccard.next{display:flex;align-items:center;justify-content:center;min-height:120px;border-style:dashed;background:transparent;color:var(--ink3)}
.ccard.next:hover{transform:none;box-shadow:none}

/* 케이스 머리 */
.chero{padding:clamp(56px,8vw,112px) 0 clamp(28px,4vw,48px)}
.chero h1{font-size:clamp(72px,13vw,180px);font-weight:800;line-height:.95;letter-spacing:-.06em;margin:0 0 24px}
.dek{font-family:var(--head);font-size:clamp(21px,2.6vw,32px);line-height:1.4;letter-spacing:-.03em;max-width:24em;margin:0 0 16px}
.period{color:var(--ink3);font-size:14px;font-variant-numeric:tabular-nums;margin:0}
.video .wrap{padding-bottom:8px}
.yt,.yt-frame{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:20px;background:#111 center/cover no-repeat}
.yt{position:relative;cursor:pointer;overflow:hidden}
.yt::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.55))}
.play{position:absolute;z-index:1;left:50%;top:50%;width:88px;height:88px;margin:-44px 0 0 -44px;border-radius:50%;background:rgba(255,255,255,.94);box-shadow:0 10px 40px rgba(0,0,0,.35);transition:transform .2s}
.play::after{content:"";position:absolute;left:36px;top:28px;border-left:26px solid var(--ink);border-top:16px solid transparent;border-bottom:16px solid transparent}
.yt:hover .play{transform:scale(1.07)}
.yt-cap{position:absolute;z-index:1;left:24px;bottom:20px;color:#fff;font-weight:700;font-size:15px}
.vlinks{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.vlinks a{font-size:14px;text-decoration:none;padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface)}
.vlinks a:hover{border-color:var(--ink)}
.stats{padding:clamp(36px,5vw,64px) 0}
.sgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0;border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
.sgrid>div{padding:22px 18px 20px 0}
.stats b{display:block;font-family:var(--head);font-size:clamp(30px,3.4vw,44px);letter-spacing:-.04em;line-height:1.1}
.stats span{font-size:13px;color:var(--ink3)}
.toc{position:sticky;top:58px;z-index:15;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.toc .wrap{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;padding-top:8px;padding-bottom:8px}
.toc a{white-space:nowrap;text-decoration:none;font-size:14px;color:var(--ink2);padding:6px 12px;border-radius:999px}
.toc a i{font-style:normal;color:var(--shell);font-weight:700;margin-right:6px;font-size:12px}
.toc a:hover{background:var(--surface);color:var(--ink)}

.status{display:inline-block;margin-left:8px;padding:2px 10px;border-radius:999px;background:var(--pop);color:var(--ink);letter-spacing:.04em}
.teaser{display:block;width:100%;aspect-ratio:16/9;border-radius:20px;background:#111;object-fit:cover}
.vcap{font-size:14px;color:var(--ink3);margin:10px 0 0}
.castimg{margin:0}
.castimg img{width:100%;border-radius:18px}
.castimg figcaption{font-size:14px;color:var(--ink3);margin-top:10px}

/* 시작 */
blockquote{margin:0 0 28px;padding:28px 32px;background:var(--surface);border-radius:18px;border-left:6px solid transparent;border-image:var(--sheen) 1;position:relative}
blockquote p{font-family:var(--head);font-size:clamp(20px,2.3vw,26px);line-height:1.5;letter-spacing:-.03em;margin:0 0 10px}
blockquote cite{font-style:normal;font-size:14px;color:var(--ink3)}
.lead{font-size:18px;color:var(--ink2);margin:0 0 48px}
.cast{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:12px}
.cast figure{margin:0}
.cast img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:14px;background:#ddd}
.cast figcaption{font-size:13px;color:var(--ink3);line-height:1.45;margin-top:8px}
.cast b{display:block;font-size:15px;color:var(--ink)}

/* 쌓인 순서 */
.t-fail,.t-turn,.t-win{display:inline-block;font-size:12px;font-weight:700;padding:2px 9px;border-radius:999px;color:#fff;margin-left:4px}
.t-fail{background:var(--fail)}.t-turn{background:var(--turn)}.t-win{background:var(--win)}
.layers{list-style:none;margin:0;padding:0}
.layers li{display:grid;grid-template-columns:120px minmax(0,1fr);gap:20px;padding:20px 0 20px 18px;border-top:1px solid var(--line);position:relative}
.layers li::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:5px;border-radius:3px;background:var(--turn)}
.layers li.l-fail::before{background:var(--fail)}
.layers li.l-win::before{background:var(--win)}
.layers time{font-size:13px;font-weight:700;color:var(--ink3);font-variant-numeric:tabular-nums;padding-top:3px}
.chip{font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--turn)}
.l-fail .chip{color:var(--fail)}.l-win .chip{color:var(--win)}
.layers h3{font-size:20px;margin:2px 0 4px}
.layers p{margin:0;color:var(--ink2);font-size:15.5px}

/* 비포·애프터 */
.pair{margin-bottom:64px}
.pair:last-child{margin-bottom:0}
.pair h3{font-size:clamp(22px,2.6vw,30px);margin:0 0 18px}
.pp{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pp figure{margin:0;position:relative}
.pp img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:16px;background:#ccc}
.pp figure span{position:absolute;left:12px;top:12px;font-size:11px;font-weight:800;letter-spacing:.16em;padding:5px 10px;border-radius:999px;background:rgba(0,0,0,.65);color:#fff}
.pp .a span{background:var(--pop);color:var(--ink)}
.pp figcaption{font-size:14px;color:var(--ink2);margin-top:10px}
.lesson{margin:16px 0 0;padding:16px 20px;background:var(--surface);border-radius:14px;font-size:15.5px}
.lesson::before{content:"배운 것  ";font-weight:800;color:var(--shell)}

/* 실패 노트 */
.fails{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:16px}
.fail{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px 22px 18px;position:relative;box-shadow:6px 6px 0 -1px var(--n2),12px 12px 0 -2px var(--n4)}
.fail header{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 10px;margin-bottom:14px}
.fno{font-family:var(--head);font-weight:800;color:var(--fail);font-size:15px}
.fail h3{font-size:19px;flex:1 1 200px}
.ftag{font-size:12px;text-decoration:none;color:var(--shell);font-weight:700;border:1px solid currentColor;border-radius:999px;padding:1px 9px}
.fail dl{margin:0;display:grid;gap:8px}
.fail dl div{display:grid;grid-template-columns:52px minmax(0,1fr);gap:8px;font-size:14.5px;line-height:1.6}
.fail dt{font-weight:700;color:var(--ink3)}
.fail dd{margin:0;color:var(--ink2)}
.fail .next dd{color:var(--ink);font-weight:600}
.fail .next dt{color:var(--win)}

/* 장면들 */
.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.gallery figure{margin:0}
.gallery figure:first-child,.gallery figure:nth-child(8){grid-column:span 2}
.gallery img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px}
.gallery figcaption{font-size:14px;color:#b9b0a6;margin-top:8px}

/* 도구 */
.tools{width:100%;border-collapse:collapse;font-size:15px}
.tools th{text-align:left;font-size:12px;letter-spacing:.12em;color:var(--ink3);font-weight:700;padding:0 10px 10px 0;border-bottom:2px solid var(--ink)}
.tools td{padding:14px 10px 14px 0;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink2)}
.tools td:first-child{width:34%;color:var(--ink)}
.tools td:last-child{white-space:nowrap;width:1%;color:var(--ink3)}
.adtag{font-size:11px;font-weight:700;color:var(--fail);border:1px solid currentColor;border-radius:4px;padding:0 4px;vertical-align:1px}
.ad{font-size:13.5px;color:var(--ink3);margin:16px 0 0}
.ad a{color:var(--ink2)}

/* 따라 해 보기 */
.steps{list-style:none;counter-reset:s;margin:0;padding:0}
.steps li{counter-increment:s;position:relative;padding:0 0 36px 64px}
.steps li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:-2px;font-family:var(--head);font-weight:800;font-size:28px;color:var(--shell)}
.steps h3{font-size:21px;margin:0 0 6px}
.steps p{margin:0 0 12px;color:var(--ink2)}
.prompt{position:relative;background:var(--ink);border-radius:14px}
.prompt pre{margin:0;padding:18px 84px 18px 20px;color:#f3ece3;font:14px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:pre-wrap;word-break:break-word}
.prompt button{position:absolute;right:10px;top:10px;border:0;border-radius:8px;background:var(--pop);color:var(--ink);font:700 13px var(--body);padding:6px 12px;cursor:pointer}
.credits{margin:20px 0 0;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--ink3)}

/* 의뢰 */
.cta{background:var(--ink);color:#f3ece3;padding:clamp(64px,8vw,112px) 0}
.cta .wrap{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:clamp(32px,6vw,96px);align-items:end}
.cta .kicker{color:#b9b0a6}
.cta h2{font-size:clamp(36px,5vw,64px);margin:0 0 16px}
.cta p{color:#cfc6bc;margin:0 0 28px;max-width:32em}
.cta-side{border-top:1px solid rgba(255,255,255,.2);padding-top:24px}
.cta-side h3{font-size:22px;margin:0 0 8px}
.btns{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;height:52px;padding:0 22px;border-radius:12px;text-decoration:none;font-weight:700;border:1px solid rgba(255,255,255,.3);color:#fff;white-space:nowrap}
.btn:hover{border-color:#fff}
.btn.main{background:var(--pop);color:var(--ink);border-color:var(--pop)}
.btn.line{height:auto;padding:0;border:0;color:var(--pop)}

.foot{padding:28px 0 44px;font-size:13px;color:var(--ink3)}
.foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}
.nf{padding:120px 0}

@media (max-width:900px){
  .ccard{grid-template-columns:1fr}
  .cimg{min-height:0;aspect-ratio:16/10}
  .cast{grid-template-columns:repeat(4,minmax(0,1fr))}
  .cta .wrap{grid-template-columns:1fr}
  .top nav a:first-child{display:none}
}
@media (max-width:620px){
  body{font-size:16px}
  .logo em{display:none}
  .pp{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .gallery figure:first-child,.gallery figure:nth-child(8){grid-column:auto}
  .cast{grid-template-columns:repeat(3,minmax(0,1fr))}
  .layers li{grid-template-columns:1fr;gap:4px}
  .steps li{padding-left:0;padding-top:40px}
  .tools td:first-child{width:auto}
  .tools td:last-child{white-space:normal}
  .play{width:68px;height:68px;margin:-34px 0 0 -34px}
  .play::after{left:27px;top:21px;border-left-width:20px;border-top-width:13px;border-bottom-width:13px}
  .btn{width:100%;justify-content:center}
}