:root{
  --bg:#f4f3ef; --paper:#fbfaf7; --ink:#141414; --ink-2:#55544f; --line:#d9d7d0;
  --blue:#297bff; --pad:clamp(20px,4vw,56px); --max:1440px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"Pretendard Variable",Pretendard,system-ui,sans-serif;font-size:16px;line-height:1.6;letter-spacing:-0.01em;-webkit-font-smoothing:antialiased;word-break:keep-all}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.tag{font-family:"Caveat",cursive;font-optical-sizing:auto;font-weight:600;font-style:normal;color:var(--blue);font-size:26px;line-height:1;letter-spacing:0}
.rule{border-top:1px solid var(--line)}
.arrow::before{content:"↘";display:inline-block;margin-right:.35em;transition:transform .3s}
.reveal{transform:translateY(24px);transition:transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{transform:none}

/* header */
.hd{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .35s,color .35s,border-color .35s;color:#fff;border-bottom:1px solid transparent}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.hd .logo-svg{height:30px;width:auto;display:block}
.hd{--logo-inner:#1d2b2a}
.hd.solid{background:rgba(244,243,239,.92);backdrop-filter:blur(10px);color:var(--ink);border-color:var(--line);--logo-inner:#fff}
.hd.solid .logo{color:var(--blue)}
.nav{display:flex;gap:32px;font-size:15px;font-weight:500}
.nav a{position:relative;padding:4px 0}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .3s}
.nav a:hover::after{transform:scaleX(1)}
.nav .ext{opacity:.9}
.nav .ext span{font-size:12px;margin-left:2px}
@media (max-width:720px){.nav{gap:18px;font-size:14px}.nav .hide-m{display:none}.hd .logo-svg{height:24px}}

/* hero */
.hero{position:relative;height:100vh;min-height:620px;overflow:hidden;background:#2a2f2a;color:#fff}
.hero video,.hero .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,0) 35%,rgba(0,0,0,.38) 100%),linear-gradient(0deg,rgba(0,0,0,.35),rgba(0,0,0,0) 40%)}
.hero .copy{position:absolute;z-index:2;right:var(--pad);bottom:clamp(56px,11vh,120px);max-width:min(640px,86vw);text-align:right}
.hero h1{font-weight:300;font-size:clamp(38px,5.6vw,84px);line-height:1.12;letter-spacing:-0.045em}
.hero h1 b{font-weight:600}
.hero p{margin-top:22px;font-size:clamp(15px,1.25vw,18px);line-height:1.7;opacity:.9;max-width:520px;margin-left:auto}
.hero .season{position:absolute;z-index:2;left:var(--pad);bottom:clamp(56px,11vh,120px);display:flex;gap:18px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;opacity:.85}
.hero .season span{transition:opacity .6s;opacity:.35}
.hero .season span.on{opacity:1}
@media (max-width:720px){.hero .copy{left:var(--pad);text-align:left}.hero p{margin-left:0}.hero .season{top:96px;bottom:auto}}

/* section heads */
section{position:relative}
.sec{padding:clamp(96px,14vw,180px) 0}
.sec-head{display:grid;grid-template-columns:1fr 2fr;gap:24px;align-items:end;padding-bottom:28px;border-bottom:1px solid var(--ink);margin-bottom:clamp(40px,6vw,80px)}
.sec-head h2{font-weight:300;font-size:clamp(32px,4.4vw,64px);line-height:1.15;letter-spacing:-0.04em}
.sec-head .meta{font-size:13px;color:var(--ink-2);display:flex;justify-content:space-between;align-items:end;gap:16px}
@media (max-width:820px){.sec-head{grid-template-columns:1fr}}

/* brand */
.brand .grid{display:grid;grid-template-columns:5fr 6fr;gap:clamp(32px,6vw,96px);align-items:center}
.brand h3{font-weight:300;font-size:clamp(28px,3.4vw,50px);line-height:1.25;letter-spacing:-0.04em}
.brand h3 em{font-style:normal;color:var(--blue)}
.brand .body{margin-top:36px;color:var(--ink-2);font-size:17px;line-height:1.85;max-width:460px}
.brand .body p+p{margin-top:14px}
.brand .figure{position:relative;overflow:hidden;aspect-ratio:4/5}
.brand .figure img{position:absolute;left:0;top:-12%;width:100%;height:124%;object-fit:cover;will-change:transform}
.brand .cap{display:flex;justify-content:space-between;font-size:12px;color:var(--ink-2);margin-top:12px}
@media (max-width:820px){.brand .grid,.svc-intro{grid-template-columns:1fr}.svc-intro>div:first-child{display:none}}

/* service */
.service{background:var(--paper)}
.svc-intro{display:grid;grid-template-columns:1fr 2fr;gap:24px;margin-bottom:clamp(48px,7vw,96px)}
.svc-intro .name{font-size:clamp(40px,6vw,92px);font-weight:300;letter-spacing:-0.05em;line-height:1.05}
.svc-intro .one{font-size:clamp(17px,1.5vw,22px);color:var(--ink-2);max-width:520px;align-self:end}
.sticky{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,80px)}
.stage{position:sticky;top:96px;height:calc(100vh - 140px);display:flex;align-items:center}
.strips{position:relative;width:100%;height:min(72vh,640px);display:flex;align-items:center;gap:6px;border:1px solid var(--line);padding:18px}
.strip{position:relative;height:100%;flex:0 0 7%;overflow:hidden;transition:flex-basis .9s cubic-bezier(.7,0,.2,1),height .9s cubic-bezier(.7,0,.2,1)}
.strip img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(.35);transition:filter .9s}
.strip.on{flex-basis:58%}
.strip.on img{filter:none}
.strip:not(.on){height:78%}
.block{flex:0 0 3.2%;height:62%;background:var(--blue);transition:height .9s cubic-bezier(.7,0,.2,1)}
.block:nth-child(4n){height:44%}
.strips::before{content:"";position:absolute;left:0;right:0;top:50%;border-top:1px solid rgba(20,20,20,.25);pointer-events:none;z-index:3}
.strips .dot{position:absolute;right:-4px;width:7px;height:7px;border-radius:50%;background:var(--ink);z-index:4;top:calc(50% - 3px)}
.strips .count{position:absolute;left:18px;bottom:-30px;font-size:13px;color:var(--ink-2)}
.feat{list-style:none}
.feat li{min-height:78vh;display:flex;flex-direction:column;justify-content:center;border-top:1px solid var(--line);padding:40px 0;opacity:.28;transition:opacity .5s}
.feat li.on{opacity:1}
.feat .top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.feat .no{font-size:13px;color:var(--ink-2);letter-spacing:.06em}
.feat h4{font-size:clamp(28px,3vw,44px);font-weight:400;letter-spacing:-0.04em;line-height:1.2}
.feat p{margin-top:16px;color:var(--ink-2);font-size:17px;max-width:440px}
.iso{width:64px;height:64px;color:var(--ink)}
.iso *{vector-effect:non-scaling-stroke}
.feat .thumb{display:none}
@media (max-width:900px){.sticky{grid-template-columns:1fr}.stage{display:none}.feat li{min-height:auto;opacity:1}.feat .thumb{display:block;aspect-ratio:4/3;object-fit:cover;width:100%;margin-bottom:24px}}

/* process */
.proc{display:grid;grid-template-columns:repeat(6,1fr);position:relative;margin-top:24px}
.proc .track{position:absolute;left:0;right:0;top:38px;height:1px;background:var(--line)}
.proc .fill{position:absolute;left:0;top:38px;height:1px;background:var(--blue);width:0;transition:width 2.4s cubic-bezier(.6,0,.2,1)}
.step{position:relative;padding-right:16px}
.step .knot{width:77px;height:77px;display:grid;place-items:center;background:var(--bg);position:relative;z-index:2}
.step .knot svg{width:52px;height:52px;color:var(--ink-2);transition:color .4s}
.step.on .knot svg{color:var(--ink)}
.step .n{margin-top:26px;font-size:13px;color:var(--ink-2);letter-spacing:.06em;transition:color .4s}
.step.on .n{color:var(--blue)}
.step .t{margin-top:8px;font-size:clamp(17px,1.5vw,22px);font-weight:500;letter-spacing:-0.03em;line-height:1.35}
@media (max-width:900px){
  .proc{grid-template-columns:1fr;padding-left:0}
  .proc .track,.proc .fill{left:38px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .proc .fill{height:0;bottom:auto;transition:height 2.4s cubic-bezier(.6,0,.2,1)}
  .step{display:grid;grid-template-columns:77px 1fr;column-gap:24px;align-items:center;padding:14px 0}
  .step .n{margin:0;grid-column:2}
  .step .knot{grid-row:1/3}
  .step .t{margin:0;grid-column:2}
}

/* projects */
.projects{background:var(--paper)}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.4vw,36px) clamp(16px,2vw,28px)}
.card .ph{overflow:hidden;aspect-ratio:4/3;background:#ddd}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1.6s cubic-bezier(.2,.7,.2,1)}
.card:hover .ph img{transform:scale(1.07)}
.card .row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}
.card h5{font-size:clamp(17px,1.35vw,20px);font-weight:500;letter-spacing:-0.03em;line-height:1.4}
.card .k{font-size:12px;color:var(--ink-2);white-space:nowrap}
.more{display:flex;justify-content:flex-end;margin-top:56px}
.more a{font-size:clamp(22px,2.4vw,34px);font-weight:300;letter-spacing:-0.03em;border-bottom:1px solid var(--ink);padding-bottom:4px}
.more a:hover::before{transform:translate(4px,4px)}
@media (max-width:900px){.pgrid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.pgrid{grid-template-columns:1fr}}

/* faq */
.faq-list{}
.q{border-bottom:1px solid var(--line)}
.q button{all:unset;cursor:pointer;display:grid;grid-template-columns:64px 1fr 40px;align-items:center;width:100%;padding:28px 0;font-size:clamp(18px,1.6vw,24px);font-weight:400;letter-spacing:-0.03em}
.q button:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
.q .qn{font-size:13px;color:var(--ink-2)}
.q .pm{position:relative;width:18px;height:18px;justify-self:end}
.q .pm::before,.q .pm::after{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--ink);transition:transform .35s}
.q .pm::after{transform:rotate(90deg)}
.q.open .pm::after{transform:rotate(0)}
.q .a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .45s cubic-bezier(.2,.7,.2,1)}
.q.open .a{grid-template-rows:1fr}
.q .a>div{overflow:hidden}
.q .a p{padding:0 40px 32px 64px;color:var(--ink-2);font-size:17px;max-width:900px}
@media (max-width:560px){.q button{grid-template-columns:40px 1fr 28px}.q .a p{padding-left:40px;padding-right:0}}

/* footer */
.ft{background:var(--ink);color:#e9e7e1;padding:clamp(72px,10vw,140px) 0 36px}
.ft .big{font-size:clamp(34px,5.4vw,88px);font-weight:300;letter-spacing:-0.05em;line-height:1.1;max-width:1100px}
.ft .big a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4)}
.ft .big a:hover{color:var(--blue);border-color:var(--blue)}
.ft .cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:clamp(72px,10vw,140px);padding-top:24px;border-top:1px solid rgba(255,255,255,.2);font-size:14px;color:#a9a79f}
.ft .cols b{display:block;color:#fff;font-weight:500;margin-bottom:6px}
.ft .logo-svg{height:34px;width:auto;color:#fff;--logo-inner:var(--ink)}
@media (max-width:720px){.ft .cols{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.reveal{transform:none}}
.logo-slot{display:block;line-height:0}
.hd:not(.solid) .logo-svg path:not([class]),.hd:not(.solid) .logo-svg text,.ft .logo-svg path:not([class]),.ft .logo-svg text{fill:#fff}