/* 이시로스튜디오 허브 — 킷사텐 레트로 (2026-10-23 두호 A/B 선택: 레트로 톤 · 창문 실루엣 · 낡은 찻집 색)
   낮은 채도, 평면 2~3색, 명조 제목, 가는 괘선, 메뉴판 목록. 외부 폰트·스크립트 없음. */
:root{
  --paper:#e2dbc8; --paper-2:#d8d0bb; --ink:#3a2c22; --ink-2:#766858;
  --wood:#4e3b2d; --wood-2:#33251c; --night:#2b3240; --cream:#e9e2d0;
  --green:#4a5e4f; --mustard:#4a5e4f; --rule:#bfb39b;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --paper:#231d18; --paper-2:#2a2320; --ink:#e7dcc8; --ink-2:#a69a88; --rule:#4a3f36; --cream:#2f2823; --mustard:#8fae92; --green:#8fae92;
}}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",system-ui,sans-serif;line-height:1.7;word-break:keep-all;
  background-image:repeating-linear-gradient(0deg,rgba(0,0,0,.025) 0 1px,transparent 1px 3px)}
h1,h2,h3,.serif{font-family:"Apple Myungjo","Noto Serif KR","Nanum Myeongjo",Georgia,serif;font-weight:600;letter-spacing:-.01em}
a{color:var(--ink);text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--mustard)}
.wrap{width:min(900px,100% - 32px);margin:0 auto}
header{border-bottom:1px solid var(--rule)}
header .wrap{display:flex;justify-content:space-between;align-items:baseline;padding:18px 0}
.brand{font-size:18px;text-decoration:none}
.brand small{display:block;font-family:system-ui,sans-serif;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2);font-weight:400}
nav a{font-size:14px;margin-left:18px;text-decoration:none;color:var(--ink-2);padding:4px 0}
nav a:hover,nav a[aria-current]{color:var(--ink);border-bottom:1px solid var(--mustard)}
/* 창문 */
.hero{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:center;padding:56px 0 40px}
.hero h1{font-size:clamp(26px,4vw,38px);line-height:1.35;margin:0 0 14px}
.hero p{margin:0 0 20px;color:var(--ink-2);font-size:16px}
.kw{font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.14em;color:var(--ink-2);margin:0 0 24px}
.btn{display:inline-block;margin-bottom:8px;border:1px solid var(--ink);padding:9px 16px;font-size:14px;text-decoration:none;border-radius:2px;margin-right:8px}
.btn.fill{background:var(--ink);color:var(--paper)}
.window{border:10px solid var(--wood);outline:1px solid var(--wood-2);background:var(--night);aspect-ratio:1/1.1;position:relative;overflow:hidden}
.window svg{width:100%;height:100%;display:block}
.sill{height:14px;background:var(--wood-2);margin:0 -14px}
/* 메뉴판 */
.menu{padding:28px 0 8px}
.menu h2{font-size:14px;letter-spacing:.2em;font-family:system-ui,sans-serif;font-weight:600;color:var(--ink-2);margin:0 0 6px;text-transform:uppercase}
.menu h2+p{margin:0 0 18px;font-size:14px;color:var(--ink-2)}
.item{display:grid;grid-template-columns:1fr auto;gap:4px 16px;padding:16px 0;border-top:1px solid var(--rule)}
.item:last-child{border-bottom:1px solid var(--rule)}
.item h3{margin:0;font-size:19px}
.item .st{font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.1em;color:var(--ink-2);align-self:center;white-space:nowrap}
.item .st.on{color:var(--green)}
.item p{grid-column:1/-1;margin:0;color:var(--ink-2);font-size:15px}
.item .tag{font-size:12px;color:var(--mustard);letter-spacing:.08em;font-family:system-ui,sans-serif}
.item a.go{font-size:14px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:36px 0}
.two h2{font-size:14px;letter-spacing:.2em;font-family:system-ui,sans-serif;font-weight:600;color:var(--ink-2);margin:0 0 10px;text-transform:uppercase}
.two ul{margin:0;padding:0;list-style:none}.two li{padding:6px 0;border-bottom:1px dotted var(--rule)}
footer{border-top:1px solid var(--rule);margin-top:48px;padding:28px 0 44px;font-size:13px;color:var(--ink-2);background:var(--paper-2)}
footer .wrap{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;line-height:1.9}
.foot-brand{font-size:16px;color:var(--ink)}
.foot-links{list-style:none;margin:0;padding:0}
.foot-links a{color:var(--ink-2);text-decoration:none}.foot-links a:hover{color:var(--ink);text-decoration:underline}
@media(max-width:720px){footer .wrap{grid-template-columns:1fr 1fr}footer .wrap>div:first-child{grid-column:1/-1}.feature{grid-template-columns:1fr}.prod{grid-template-columns:1fr}.prod .phone{width:200px;margin:0 auto}.hero{grid-template-columns:1fr;padding:32px 0 24px}.window{width:min(100%,280px);margin:0 auto}.two{grid-template-columns:1fr;gap:24px}header .wrap{flex-direction:column;gap:6px}nav a{margin:0 16px 0 0}}

/* 안쪽 페이지(개인정보처리방침) */
.doc{padding:36px 0 60px;max-width:700px}
.doc h1{font-size:26px;margin:0 0 4px;line-height:1.4}
.doc .updated{font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.1em;color:var(--ink-2);margin:0 0 24px}
.doc h3{font-size:16px;margin:18px 0 4px}
.doc h2{font-size:18px;margin:28px 0 8px;padding-top:12px;border-top:1px solid var(--rule)}
.doc p,.doc li{font-size:15px}
.doc .note{border-left:2px solid var(--mustard);padding:6px 14px;color:var(--ink-2);font-size:14px}
.doc ul{padding-left:18px}

/* 접근성 */
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:9}
.skip:focus{left:8px}
a:focus-visible,summary:focus-visible{outline:2px solid var(--mustard);outline-offset:3px}
img{max-width:100%;height:auto;display:block}
.pixel{image-rendering:pixelated}

/* 첫 화면: 지금 쓸 수 있는 것 */
.feature{display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:center;padding:28px 0 36px;border-top:1px solid var(--rule)}
.feature .shot{display:block;border:6px solid var(--wood);outline:1px solid var(--wood-2)}
.feature h2{font-size:24px;margin:0 0 10px}
.feature p{color:var(--ink-2);margin:0 0 16px}
.eyebrow{font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.16em;color:var(--green)!important;margin:0 0 6px!important}

/* 소식 */
.news{list-style:none;margin:0;padding:0}
.news li{display:grid;grid-template-columns:86px 1fr;gap:12px;padding:12px 0;border-bottom:1px dotted var(--rule)}
.news time{font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.06em;color:var(--ink-2);padding-top:3px}
.news h3{font-size:16px;margin:0 0 2px}
.news h3 a{text-decoration:none}.news h3 a:hover{text-decoration:underline}
.news p{margin:0;font-size:14px;color:var(--ink-2)}
.more{font-size:14px;margin:14px 0 0}
.lead{font-size:16px;color:var(--ink-2);margin:0 0 6px}
.doc .lead{font-size:17px;color:var(--ink)}
.item h3 a{text-decoration:none}.item h3 a:hover{text-decoration:underline}

/* 안쪽 페이지 공통 */
.doc.wide{max-width:900px}
.crumbs{font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.06em;color:var(--ink-2);margin:0 0 18px}
.crumbs a{color:var(--ink-2)}
.doc ol{padding-left:20px}
.prod{display:grid;grid-template-columns:1fr 230px;gap:32px;align-items:start}
.prod .phone{border:6px solid var(--wood);outline:1px solid var(--wood-2);background:var(--night)}
.cover{display:block;margin:0 0 20px}.cover img{display:block;width:100%;max-width:630px;height:auto;border:6px solid var(--wood);outline:1px solid var(--wood-2)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin:8px 0 12px}
.wcard{display:block;text-decoration:none;border-top:1px solid var(--rule);padding-top:14px}
.wcard img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:top;border:6px solid var(--wood);outline:1px solid var(--wood-2);margin-bottom:10px}
.wcard h2{border:0;padding:0;margin:4px 0;font-size:19px}
.wcard p{margin:0;color:var(--ink-2);font-size:14px}
.wcard .st{font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.1em;color:var(--ink-2)}
.wcard .st.on{color:var(--green)}
.wcard:hover h2{text-decoration:underline;text-decoration-color:var(--mustard)}
.shots{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(160px,1fr);gap:16px;overflow-x:auto;padding:20px 0 8px;margin:8px 0 0;border-top:1px solid var(--rule)}
.shots figure{margin:0}
.shots img{border:4px solid var(--wood)}
.shots figcaption{font-size:13px;color:var(--ink-2);margin-top:6px}
.faq details{border-top:1px solid var(--rule);padding:12px 0}
.faq details:last-child{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;font-weight:600;list-style:none;font-size:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";display:inline-block;width:20px;color:var(--mustard)}
.faq details[open] summary::before{content:"–"}
.faq p{margin:8px 0 0 20px;color:var(--ink-2)}
.mail li{margin:8px 0}
@media(max-width:720px){
  .feature{grid-template-columns:1fr}
  .prod{grid-template-columns:1fr}.prod .phone{width:200px;margin:8px auto 0}
  .news li{grid-template-columns:1fr;gap:2px}
  .shots{grid-auto-columns:62%}
}

/* 실험실 */
.lab{padding:20px 0 8px}
.lab h2{font-size:14px;letter-spacing:.2em;font-family:system-ui,sans-serif;font-weight:600;color:var(--ink-2);margin:0 0 6px;text-transform:uppercase}
.lab>p{margin:0 0 12px;font-size:14px;color:var(--ink-2)}
.lab .item{border-bottom:1px solid var(--rule)}

/* 만드는 것: 플랫폼 */
.pfilter{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 18px}
.pfilter button{font:inherit;font-size:13px;letter-spacing:.04em;background:transparent;color:var(--ink-2);border:1px solid var(--rule);border-radius:2px;padding:5px 12px;cursor:pointer}
.pfilter button[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.pfilter button:focus-visible{outline:2px solid var(--mustard);outline-offset:2px}
.works{border-bottom:1px solid var(--rule)}
.work{border-top:1px solid var(--rule);padding:18px 0}
.work h2{border:0;padding:0;margin:0;font-size:20px}
.work h2 a{text-decoration:none}.work h2 a:hover{text-decoration:underline}
.work .tag{font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.08em;color:var(--mustard);margin:2px 0 6px}
.work>p{margin:0 0 8px;color:var(--ink-2);font-size:15px}
.work.is-lab h2::after{content:"실험실";font-family:system-ui,sans-serif;font-size:11px;letter-spacing:.1em;color:var(--ink-2);border:1px solid var(--rule);padding:1px 6px;margin-left:8px;vertical-align:3px}
.plats{list-style:none;margin:6px 0 4px;padding:0;display:grid;gap:4px}
.plats li{font-size:14px;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 8px;padding:3px 0;border-bottom:1px dotted var(--rule)}
.plats li:last-child{border-bottom:0}
.plats b{font-family:system-ui,sans-serif;font-size:12px;letter-spacing:.08em;min-width:64px;font-weight:600}
.plats .pst{font-size:13px;color:var(--ink-2)}
.plats .pst.on{color:var(--green)}
.plats .pnote{font-size:12px;color:var(--ink-2)}
.plats li.dim{opacity:.35}
.wlinks{font-size:13px;margin:6px 0 0}
.pempty{color:var(--ink-2)}
.foot-note{font-size:13px;color:var(--ink-2);margin-top:16px}
.item .plat{font-family:system-ui,sans-serif;font-size:12px;color:var(--ink-2);letter-spacing:.04em}
[hidden]{display:none!important}

/* 플랫폼 칸 */
.pgroup{font-family:system-ui,sans-serif;font-size:13px;font-weight:600;letter-spacing:.16em;color:var(--ink);margin:26px 0 4px;padding:0 0 6px;border-bottom:2px solid var(--ink)}
.menu .pgroup + .item{border-top:0}
.pdesc{font-size:13px;color:var(--ink-2);margin:6px 0 2px}
.pjump{font-size:14px;color:var(--ink-2)}
.works-menu{padding:0}
.works-menu .item:last-of-type{border-bottom:1px solid var(--rule)}