/* OMUS 공개 사이트. 색과 선은 아티브사운드 로고(얇은 기하 글자, 회색→분홍 링, 재생 원)에서 가져왔다. */
:root{
  --bg:#ffffff;
  --paper:#fbf7fa;
  --tint:#ffe6f2;
  --tint-2:#fff4f9;
  --ink:#2e1a28;
  --muted:#6a5563;
  --line:#efe6ec;
  --line-2:#e2d5de;
  --accent:#c4009e;
  --accent-hover:#a10082;
  --grad:linear-gradient(90deg,#59314b,#aa538f 45%,#f200c2);
  --ring:linear-gradient(135deg,#cecece 15%,#ffacd6 85%);
  --ok:#1f7a4d;--ok-bg:#e3f4ea;--off:#8a5a00;--off-bg:#fbf0d9;
  --radius:18px;
  --header:64px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font:"Pretendard Variable",Pretendard,-apple-system,"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header) + 16px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.7;word-break:keep-all;overflow-wrap:anywhere;-webkit-font-smoothing:antialiased}
body.has-player{padding-bottom:120px}
img{max-width:100%;display:block}
a{color:var(--accent);text-underline-offset:3px}
h1,h2,h3{line-height:1.3;text-wrap:balance;margin:0;letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit}
svg{display:block}
.container{width:100%;max-width:1160px;margin:0 auto;padding-inline:20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:30;background:#fff;padding:8px 12px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
[hidden]{display:none!important}
.preview-flag{background:var(--ink);color:#fff;text-align:center;font-size:13px;padding:6px}

.label{font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin:0 0 10px}
.mini-label{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:10px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.fine{font-size:14px;color:var(--muted)}
.fine a{color:var(--ink)}
.muted{color:var(--muted)}
.pending{color:var(--muted);background:var(--paper);border:1px dashed var(--line-2);border-radius:6px;padding:1px 8px;font-size:.92em}
.plain{margin:0;padding-left:1.2em}
.text-link{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:5px;transition:text-decoration-color .15s}
.text-link:hover{text-decoration-color:var(--accent)}

/* 헤더 */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;justify-content:space-between;min-height:var(--header);gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{font-weight:300;font-size:22px;letter-spacing:.34em;margin-right:-.34em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-sub{font-size:11px;line-height:1.35;color:var(--muted);border-left:1px solid var(--line-2);padding-left:12px}
.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.nav-burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;border-radius:12px}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{display:block;width:20px;height:1.5px;background:var(--ink);position:relative;content:"";transition:transform .2s var(--ease),opacity .2s}
.nav-burger span::before{position:absolute;top:-6px}.nav-burger span::after{position:absolute;top:6px}
.nav-toggle:checked + .nav-burger span{background:transparent}
.nav-toggle:checked + .nav-burger span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle:checked + .nav-burger span::after{transform:translateY(-6px) rotate(-45deg)}
.nav-list{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:2px}
.nav-list a:not(.btn){position:relative;display:block;padding:8px 14px;color:var(--ink);text-decoration:none;font-size:15px}
.nav-list a:not(.btn)::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:1.5px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.nav-list a:not(.btn):hover::after,.nav-list a[aria-current]::after{transform:scaleX(1)}
.nav-list a[aria-current]{font-weight:700}
.nav-cta{margin-left:10px}
@media (max-width:860px){
  .nav-burger{display:flex}
  .nav-list{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);padding:4px 20px 20px;box-shadow:0 20px 30px -24px rgba(46,26,40,.25);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s,transform .18s var(--ease),visibility 0s .18s}
  .nav-list a:not(.btn){padding:14px 2px;border-bottom:1px solid var(--line);font-size:17px}
  .nav-list a:not(.btn)::after{display:none}
  .nav-list .nav-cta{margin:14px 0 0;width:100%}
  .nav-toggle:checked ~ .nav-list{opacity:1;visibility:visible;transform:none;transition:opacity .18s,transform .18s var(--ease)}
  .nav-toggle:focus-visible + .nav-burger{outline:2px solid var(--accent)}
}
@media (max-width:420px){.brand-sub{display:none}}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 22px;border-radius:999px;font-weight:700;text-decoration:none;border:1.5px solid transparent;font-size:15px;cursor:pointer;transition:background-color .15s,border-color .15s,color .15s,transform .12s var(--ease),box-shadow .2s}
.btn:active{transform:scale(.97)}
.btn-primary,.nav-list a.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px -10px rgba(196,0,158,.6)}
.btn-primary:hover{background:var(--accent-hover);box-shadow:0 10px 24px -10px rgba(196,0,158,.7)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-small{min-height:38px;padding:6px 16px;font-size:14px}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:28px}
.round{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--line-2);background:#fff;color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:border-color .15s,transform .12s var(--ease),opacity .15s}
.round svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.round:hover:not(:disabled){border-color:var(--ink)}
.round:active:not(:disabled){transform:scale(.94)}
.round:disabled{opacity:.35;cursor:default}
.more{color:var(--ink);font-weight:600;font-size:15px;text-decoration:none;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.more::after{content:"→";transition:transform .2s var(--ease)}
.more:hover{color:var(--accent)}
.more:hover::after{transform:translateX(3px)}

/* 재생 버튼: 로고의 "원 안의 재생" 모양 */
.play{flex:none;width:44px;height:44px;padding:0;border:0;background:none;color:var(--accent);cursor:pointer;display:grid;place-items:center;border-radius:50%;transition:transform .12s var(--ease),background-color .15s}
.play:hover{background:var(--tint)}
.play:active{transform:scale(.92)}
.play-icon{width:32px;height:32px}
.play-icon circle{fill:none;stroke:currentColor;stroke-width:1.4;transition:fill .15s}
.play-icon path{fill:currentColor}
.play-icon .i-pause{display:none}
.play.is-playing .play-icon circle,.player.is-playing .player-toggle circle{fill:currentColor}
.play.is-playing .play-icon path,.player.is-playing .player-toggle path{fill:#fff}
.play.is-playing .i-play,.player.is-playing .i-play{display:none}
.play.is-playing .i-pause,.player.is-playing .i-pause{display:inline}
.out{flex:none;width:44px;height:44px;display:grid;place-items:center;color:var(--muted);border-radius:50%;transition:color .15s,background-color .15s}
.out svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.out:hover{color:var(--accent);background:var(--tint-2)}

/* 섹션 공통 */
.section{padding-block:72px}
.section-tint{background:var(--paper)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,3.2vw,32px);font-weight:700}
.page-head{padding-block:64px 40px}
.page-head h1{font-size:clamp(34px,5.6vw,56px);font-weight:800;letter-spacing:-.025em}
.page-head h1 small{font-size:.42em;color:var(--muted);font-weight:500;letter-spacing:0}
.lead{margin-top:14px;font-size:clamp(16px,1.8vw,18px);color:var(--muted);max-width:40em}
.crumb{font-size:14px;margin-bottom:12px}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a::before{content:"← "}
.crumb a:hover{color:var(--accent)}
.prose{max-width:720px;display:flex;flex-direction:column;gap:16px;font-size:17px}
.prose h2{margin-top:24px;font-size:22px}

/* 홈 첫 화면 */
.home-hero{position:relative;overflow:hidden;background:
  radial-gradient(60% 70% at 100% 0%,#ffe6f2 0%,rgba(255,230,242,0) 70%),
  radial-gradient(40% 50% at 0% 100%,#f6f1f4 0%,rgba(246,241,244,0) 70%),#fff;padding-block:64px 40px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.hero-title{font-size:clamp(32px,5.2vw,58px);font-weight:800;letter-spacing:-.03em;line-height:1.2}
.hero-sub{margin-top:18px;font-size:18px;color:var(--muted)}
.hero-credits{position:relative;background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:24px;padding:22px 22px 12px;box-shadow:0 30px 60px -40px rgba(170,83,143,.45)}
.hero-credits::before{content:"";position:absolute;z-index:-1;width:420px;aspect-ratio:1;right:-150px;top:-140px;border-radius:50%;background:var(--ring);-webkit-mask:radial-gradient(circle,transparent 63%,#000 64%);mask:radial-gradient(circle,transparent 63%,#000 64%)}
.hero-credits-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.hero-credits-head .label{margin:0}
.hero-credits-head .more{font-size:14px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:56px 0 0;border-top:1px solid var(--line-2)}
.stats>div{padding:18px 16px 0 0}
.stats dt{font-size:13px;color:var(--muted)}
.stats dd{margin:4px 0 0;font-size:clamp(28px,4vw,44px);font-weight:200;line-height:1.1;letter-spacing:-.02em}
.stats dd small{font-size:.45em;font-weight:500;margin-left:2px;color:var(--muted)}
.stats .stats-text{font-size:17px;font-weight:600;line-height:1.5;padding-top:8px}
.stats-inline{grid-template-columns:repeat(2,max-content);gap:0 36px;margin-top:20px}
.stats-inline dd{font-size:32px}

/* 짧은 작품 목록 */
.mini-tracks{list-style:none;margin:0;padding:0}
.mini-tracks li{display:flex;align-items:center;gap:14px;padding:10px 0;border-bottom:1px solid var(--line)}
.mini-tracks li:last-child{border-bottom:0}
.mt-no{flex:none;width:24px;font-size:13px;font-weight:300;color:var(--muted);font-variant-numeric:tabular-nums}
.mt-text{flex:1;min-width:0;display:flex;flex-direction:column}
.mt-title{font-weight:600;font-size:15px;line-height:1.45}
.mt-title a{color:inherit;text-decoration:none;background:linear-gradient(var(--accent),var(--accent)) 0 100%/0 1.5px no-repeat;transition:background-size .25s var(--ease),color .15s}
.mt-title a:hover{color:var(--accent);background-size:100% 1.5px}
.mt-sub{font-size:13px;color:var(--muted)}

.hero-credits-head{min-height:44px}
/* 홈 강사진 최근 참여작: 줄 안 플레이어 */
.recent-list{list-style:none;margin:0;padding:0}
.recent-list .rc{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:6px 14px;padding:10px 0;border-bottom:1px solid var(--line)}
.recent-list .rc:last-child{border-bottom:0}
.rc-cover{width:48px;height:48px;border-radius:10px;object-fit:cover;background:var(--tint)}
.rc-no{width:24px;font-size:13px;font-weight:300;color:var(--muted);font-variant-numeric:tabular-nums}
.rc-text{min-width:0;display:flex;flex-direction:column}
.rc-people{font-size:13px;color:var(--ink-2,var(--muted))}
.rc.rc-on .rc-cover{box-shadow:0 0 0 2px var(--accent)}
.rc-player{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:4px 12px;padding:2px 4px 4px}
.rc-player[hidden]{display:none}
.rc-seek{width:100%;height:28px;margin:0;accent-color:var(--accent);cursor:pointer}
.rc-time{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}
.rc-msg{grid-column:1/-1;margin:0;font-size:13px;color:var(--danger,#b3261e)}
.rc-msg:empty{display:none}
@media (prefers-reduced-motion:no-preference){.rc-player:not([hidden]){animation:rc-in .22s var(--ease)}}
@keyframes rc-in{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* 홈 수업 탐색 */
.explorer-grid{display:grid;gap:24px}
.tabs-on{grid-template-columns:300px minmax(0,1fr);gap:40px;align-items:start}
.tablist{display:flex;flex-direction:column;gap:2px}
.tablist [role=tab]{display:flex;align-items:baseline;gap:14px;width:100%;text-align:left;padding:14px 16px;border:0;border-radius:14px;background:none;color:var(--muted);font-size:17px;font-weight:600;cursor:pointer;transition:background-color .15s,color .15s}
.tablist [role=tab]:hover{color:var(--ink);background:var(--paper)}
.tablist [role=tab][aria-selected=true]{color:var(--ink);background:var(--tint-2);box-shadow:inset 3px 0 0 var(--accent)}
.tab-no{font-size:13px;font-weight:300;font-variant-numeric:tabular-nums;color:var(--accent)}
.panels{display:grid;gap:20px}
.panel{position:relative;border:1px solid var(--line);border-radius:24px;padding:32px;background:#fff;overflow:hidden}
.panel-no{position:absolute;right:24px;top:6px;font-size:120px;font-weight:100;line-height:1;letter-spacing:-.04em;background:var(--ring);-webkit-background-clip:text;background-clip:text;color:transparent;pointer-events:none}
.panel-title{position:relative;font-size:clamp(24px,3vw,32px);font-weight:800;padding-right:90px}
.panel-summary{position:relative;margin-top:10px;font-size:17px;color:var(--muted);max-width:32em}
.panel-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px;margin-top:28px}
.panel-in{animation:rise .28s var(--ease)}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* 작은 강사 표시 */
.avatars{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.avatars a{display:flex;align-items:center;gap:8px;padding:4px 14px 4px 4px;border:1px solid var(--line-2);border-radius:999px;color:var(--ink);text-decoration:none;font-size:14px;font-weight:600;background:#fff;transition:border-color .15s,transform .12s var(--ease)}
.avatars a:hover{border-color:var(--accent)}
.avatars a:active{transform:scale(.97)}
.avatars .avatar{flex:none;width:36px;height:36px;aspect-ratio:1;border-radius:50%;object-fit:cover}
.avatars span{white-space:nowrap}
.avatars .avatar.photo-empty span{font-size:14px}

/* 강사 사진 */
.photo{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius);background:var(--line)}
.photo-empty{position:relative;display:grid;place-items:center;overflow:hidden;background:linear-gradient(160deg,#f5f1f3,#ffe6f2)}
.photo-empty::before{content:"";position:absolute;width:86%;aspect-ratio:1;border-radius:50%;background:var(--ring);-webkit-mask:radial-gradient(circle,transparent 64%,#000 65%);mask:radial-gradient(circle,transparent 64%,#000 65%)}
.photo-empty span{position:relative;font-size:clamp(28px,4vw,40px);font-weight:200;letter-spacing:.06em;color:#8b5a7c}
.avatar.photo-empty::before{width:100%}

/* 홈 강사 가로 목록 */
.strip{list-style:none;margin:0;display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x proximity;padding:4px max(20px,calc((100vw - 1160px)/2 + 20px)) 20px;scroll-padding-inline:max(20px,calc((100vw - 1160px)/2 + 20px));scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
.strip li{flex:none;width:220px;scroll-snap-align:start}
.strip-nav{display:flex;gap:8px}
.person-card{display:flex;flex-direction:column;gap:4px;color:var(--ink);text-decoration:none;height:100%}
.person-card .photo{margin-bottom:10px;transition:transform .3s var(--ease),box-shadow .3s}
.person-card:hover .photo{transform:translateY(-4px);box-shadow:0 18px 30px -20px rgba(170,83,143,.6)}
.person-card:active .photo{transform:translateY(-1px)}
.person-name{font-weight:700;font-size:18px}
.person-name small{font-weight:400;color:var(--muted);font-size:14px}
.person-role{color:var(--muted);font-size:14px;line-height:1.5}
.person-meta{font-size:13px;color:var(--muted);line-height:1.5}
.person-meta em{font-style:normal;color:var(--accent);font-weight:600;white-space:nowrap}
.person-card .badge{align-self:flex-start;margin-top:6px}
.people-row{list-style:none;margin:0 0 24px;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:24px}

/* 운영사 소개 */
.statement{padding-block:88px}
.statement-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:center}
.artive-mark{width:100%;max-width:420px;height:auto}
.statement p{font-size:clamp(18px,2.2vw,22px);line-height:1.7;font-weight:500}

/* 상담 안내 띠 */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,#fff4f9,#ffe6f2 60%,#fbe2ef);padding-block:72px}
.cta-band::after{content:"";position:absolute;width:520px;aspect-ratio:1;right:-160px;bottom:-300px;border-radius:50%;background:var(--ring);-webkit-mask:radial-gradient(circle,transparent 64%,#000 65%);mask:radial-gradient(circle,transparent 64%,#000 65%);opacity:.9}
.cta-inner{position:relative;z-index:1}
.cta-band h2{font-size:clamp(26px,3.6vw,38px);font-weight:800;letter-spacing:-.02em}
.cta-band p{margin-top:12px;color:var(--muted);max-width:34em;font-size:17px}

/* 수업 목록 페이지 */
.lessons-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px;padding-bottom:72px}
.lesson-toc{position:sticky;top:calc(var(--header) + 24px);align-self:start}
.lesson-toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line-2)}
.lesson-toc a{display:flex;gap:10px;padding:8px 0 8px 16px;margin-left:-1px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;font-size:15px;transition:color .15s,border-color .15s}
.lesson-toc a span{font-weight:300;font-variant-numeric:tabular-nums;color:var(--accent)}
.lesson-toc a:hover{color:var(--ink);border-left-color:var(--accent)}
.lesson-block{display:grid;grid-template-columns:96px minmax(0,1fr);gap:24px;padding-block:44px;border-top:1px solid var(--line)}
.lesson-block:first-child{border-top:0;padding-top:0}
.lb-no{font-size:64px;font-weight:100;line-height:1;letter-spacing:-.04em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lesson-block h2{font-size:clamp(24px,3vw,30px);font-weight:800}
.lesson-block h2 a{color:var(--ink);text-decoration:none;transition:color .15s}
.lesson-block h2 a:hover{color:var(--accent)}
.lb-summary{margin-top:8px;font-size:18px;font-weight:500}
.lb-body{margin-top:10px;color:var(--muted);max-width:40em}
.note-box{background:var(--paper);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:10px;margin-top:24px}
.note-box h2{font-size:18px}

/* 수업 상세 */
.lesson-head{background:radial-gradient(50% 80% at 100% 0%,#ffe6f2,rgba(255,230,242,0) 70%)}
.big-no{font-size:clamp(72px,11vw,128px);font-weight:100;line-height:.9;letter-spacing:-.05em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:8px}
.split{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr);gap:56px;align-items:start}
.facts{background:var(--paper);border-radius:var(--radius);padding:24px}
.facts dl{margin:0;display:flex;flex-direction:column}
.facts dl>div{display:grid;grid-template-columns:72px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.facts dl>div:last-child{border-bottom:0}
.facts dt{color:var(--muted);font-size:14px}
.facts dd{margin:0;font-size:15px}
.field-links{list-style:none;margin:0;padding:0}
.field-links a{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:600;transition:color .15s}
.field-links li:last-child a{border-bottom:0}
.field-links a span{font-weight:300;color:var(--accent)}
.field-links a:hover{color:var(--accent)}
.next-lesson{padding-block:8px 72px}
.next-lesson a{display:flex;flex-direction:column;gap:4px;padding-top:28px;border-top:1px solid var(--line-2);color:var(--ink);text-decoration:none}
.next-lesson .label{margin:0}
.next-title{font-size:clamp(24px,3.4vw,36px);font-weight:800;display:inline-flex;gap:14px;align-items:baseline}
.next-title::after{content:"→";font-weight:300;transition:transform .25s var(--ease)}
.next-lesson a:hover .next-title{color:var(--accent)}
.next-lesson a:hover .next-title::after{transform:translateX(6px)}

/* 필터 */
.filters,.toc,.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.toc{margin-top:24px}
.chip{display:inline-flex;align-items:center;min-height:40px;border:1px solid var(--line-2);border-radius:999px;padding:6px 16px;font-size:14px;color:var(--ink);text-decoration:none;background:#fff;white-space:nowrap;transition:background-color .15s,border-color .15s,color .15s,transform .12s var(--ease)}
a.chip:hover{border-color:var(--ink)}
a.chip:active{transform:scale(.96)}
.chip-on,a.chip.chip-on{background:var(--ink);border-color:var(--ink);color:#fff}
.count{font-size:14px;color:var(--muted);margin:18px 0 6px;font-variant-numeric:tabular-nums}
.list-in{animation:fadein .22s ease}
@keyframes fadein{from{opacity:.35}to{opacity:1}}

/* 강사진 명단 */
.roster{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-2)}
.roster-row a{display:grid;grid-template-columns:88px minmax(0,1.1fr) minmax(0,1.3fr) auto;grid-template-areas:"photo name roles side" "photo title works side";gap:2px 28px;align-items:center;padding:20px 12px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;border-radius:4px;transition:background-color .15s}
.roster-row a:hover{background:var(--paper)}
.roster-photo{grid-area:photo;width:88px;border-radius:14px}
.roster-photo.photo-empty span{font-size:28px}
.roster-name{grid-area:name;font-size:clamp(20px,2.4vw,26px);font-weight:800;letter-spacing:-.01em;transition:color .15s}
.roster-name small{font-size:14px;font-weight:400;color:var(--muted);letter-spacing:0}
.roster-row a:hover .roster-name{color:var(--accent)}
.roster-title{grid-area:title;color:var(--muted);font-size:14px;align-self:start}
.roster-roles{grid-area:roles;font-size:14px;font-weight:600}
.roster-works{grid-area:works;font-size:13px;color:var(--muted);align-self:start;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.roster-side{grid-area:side;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.roster-count{font-size:13px;color:var(--accent);font-weight:600;white-space:nowrap}

/* 강사 상세 */
.person-head{display:grid;grid-template-columns:minmax(160px,300px) minmax(0,1fr);gap:48px;align-items:end}
.person-head-text{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.person-head-text .crumb{margin:0}
.photo-lg{border-radius:24px}
.tags{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.tags li{font-size:13px;padding:3px 12px;border-radius:999px;background:var(--tint-2);color:#7a1d63;border:1px solid #f7d3e7}
.badge{display:inline-block;border-radius:6px;padding:2px 8px;font-size:13px;font-weight:700;white-space:nowrap}
.badge-ok{background:var(--ok-bg);color:var(--ok)}
.badge-off{background:var(--off-bg);color:var(--off)}

/* 작품 목록 (디스코그래피) */
.toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px}
.person-filter{display:flex;align-items:center;gap:10px}
.person-filter label{font-size:14px;color:var(--muted)}
.person-filter select{font:inherit;font-size:15px;min-height:42px;padding:6px 36px 6px 14px;border-radius:999px;border:1px solid var(--line-2);background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m7 10 5 5 5-5' fill='none' stroke='%232e1a28' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E") right 12px center/18px no-repeat;color:var(--ink);appearance:none;cursor:pointer}
.year-group{display:grid;grid-template-columns:120px minmax(0,1fr);gap:24px;padding-top:28px}
.year-head{position:sticky;top:calc(var(--header) + 20px);align-self:start;font-size:36px;font-weight:200;letter-spacing:-.02em;line-height:1;padding-top:14px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tracks{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-2)}
.track{display:grid;grid-template-columns:64px minmax(0,1fr) 56px auto;grid-template-areas:"cover main year actions";gap:4px 18px;align-items:center;padding:12px 8px;border-bottom:1px solid var(--line);border-radius:4px;transition:background-color .15s}
.track:hover{background:var(--paper)}
.track-no{display:none}
.track-cover{grid-area:cover;width:64px;border-radius:10px}
.track-main{grid-area:main;min-width:0}
.track-title{font-size:16px;font-weight:700;line-height:1.45}
.track-title a{color:var(--ink);text-decoration:none;transition:color .15s}
.track-title a:hover{color:var(--accent)}
.track-sub{font-size:13px;color:var(--muted)}
.track-credit{font-size:13px;margin-top:2px;line-height:1.5}
.track-year{grid-area:year;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.track-actions{grid-area:actions;display:flex;align-items:center;justify-content:flex-end;min-width:44px}
.year-group .track-year{display:none}
.year-group .track{grid-template-columns:64px minmax(0,1fr) auto;grid-template-areas:"cover main actions"}
.empty{padding:40px 0;color:var(--muted)}

.cover{width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px;background:var(--line)}
.cover-empty{position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:12px;background:linear-gradient(160deg,#f7f3f5,#ffe6f2);color:var(--muted);font-weight:600;font-size:12px;line-height:1.3}
.cover-empty::before{content:"";position:absolute;width:74%;aspect-ratio:1;border-radius:50%;right:-16%;top:-16%;background:var(--ring);-webkit-mask:radial-gradient(circle,transparent 60%,#000 61%);mask:radial-gradient(circle,transparent 60%,#000 61%)}
.cover-empty span{position:relative}
.track-cover.cover-empty span{display:none}
.track-cover.cover-empty::before{width:90%;right:5%;top:5%}

/* 수강생 작업물 카드 */
.work-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:28px}
.work-card{display:flex;flex-direction:column;gap:4px}
.work-cover{position:relative;margin-bottom:10px}
.play-on-cover{position:absolute;right:10px;bottom:10px;background:#fff;box-shadow:0 6px 16px -8px rgba(46,26,40,.5)}
.work-title{font-size:16px}
.work-title a{color:var(--ink);text-decoration:none}
.work-title a:hover{color:var(--accent)}
.work-sub{font-size:13px;color:var(--muted)}
.work-credit{font-size:13px}

/* 미리 듣기 플레이어 */
.player{position:fixed;z-index:25;left:50%;bottom:14px;transform:translateX(-50%);width:min(760px,calc(100% - 24px));display:grid;grid-template-columns:auto minmax(0,1fr) minmax(120px,1.2fr) auto auto;align-items:center;gap:8px 14px;padding:10px 10px 10px 12px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line-2);border-radius:20px;box-shadow:0 20px 40px -20px rgba(46,26,40,.35);animation:rise .25s var(--ease)}
.player-toggle{width:48px;height:48px;padding:0;border:0;background:none;color:var(--accent);cursor:pointer;display:grid;place-items:center;border-radius:50%}
.player-toggle .play-icon{width:40px;height:40px}
.player-toggle:active{transform:scale(.92)}
.player-text{min-width:0;display:flex;flex-direction:column;line-height:1.35}
.player-title{font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.player-sub{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.player-seek{width:100%;accent-color:var(--accent);height:28px;cursor:pointer}
.player-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:36px}
.player-close{width:40px;height:40px;border:0;background:none;color:var(--muted);cursor:pointer;display:grid;place-items:center;border-radius:50%}
.player-close svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.player-close:hover{background:var(--paper);color:var(--ink)}
.player-msg{grid-column:1/-1;font-size:13px;color:#b3261e}
.player-msg:empty{display:none}

/* 자료실 */
.resource{padding-block:32px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.resource h2{font-size:21px}
.table-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:15px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:13px;color:var(--muted);font-weight:600}

/* 안내 */
.legal{display:grid;grid-template-columns:140px 1fr;gap:10px 20px;margin:0}
.legal>div{display:contents}
.legal dt{color:var(--muted)}.legal dd{margin:0;white-space:pre-wrap}
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-weight:300;font-size:22px;line-height:1;transition:transform .2s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin-top:8px;color:var(--muted)}
.notice-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:20px}

/* 상담 */
.form{max-width:640px;display:flex;flex-direction:column;gap:22px}
.field{display:flex;flex-direction:column;gap:6px;border:0;padding:0;margin:0;min-width:0}
.field label,.field legend{font-weight:700;padding:0}
.field legend{margin-bottom:8px}
.req{font-size:12px;color:var(--accent);font-weight:700;margin-left:4px}
.field input,.field textarea{font:inherit;padding:12px 14px;border:1px solid var(--line-2);border-radius:14px;background:#fff;color:var(--ink);width:100%;transition:border-color .15s,box-shadow .15s}
.field input:focus,.field textarea:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 4px var(--tint)}
.check-grid{display:flex;flex-wrap:wrap;gap:8px}
.check{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 16px;border:1px solid var(--line-2);border-radius:999px;font-weight:400!important;cursor:pointer;transition:border-color .15s,background-color .15s}
.check input{accent-color:var(--accent);width:18px;height:18px;margin:0}
.check:has(input:checked){border-color:var(--accent);background:var(--tint-2)}
.form-error{color:#b3261e;font-weight:700}
.hp{position:absolute;left:-9999px}

/* 푸터 */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding-block:48px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px}
.footer-brand p{color:var(--muted);margin-top:6px}
.footer-op{display:flex;align-items:center;gap:10px}
.footer-op img{width:150px;height:auto}
.footer-info{margin:0;display:flex;flex-direction:column;gap:6px}
.footer-info div{display:flex;gap:12px}
.footer-info dt{color:var(--muted);min-width:56px}.footer-info dd{margin:0}
.footer-links{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.footer-links a{color:var(--ink)}

/* 태블릿 이하 */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .tabs-on{grid-template-columns:minmax(0,1fr);gap:16px}
  .tablist{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;margin-inline:-20px;padding-inline:20px;scrollbar-width:none}
  .tablist::-webkit-scrollbar{display:none}
  .tablist [role=tab]{flex:none;width:auto;padding:10px 16px;border:1px solid var(--line-2);border-radius:999px;font-size:15px;gap:8px}
  .tablist [role=tab][aria-selected=true]{background:var(--ink);border-color:var(--ink);color:#fff;box-shadow:none}
  .tablist [role=tab][aria-selected=true] .tab-no{color:#ffacd6}
  .lessons-layout{grid-template-columns:minmax(0,1fr);gap:24px}
  .lesson-toc{position:static}
  .lesson-toc ol{display:flex;overflow-x:auto;border:0;gap:8px;margin-inline:-20px;padding:0 20px 4px;scrollbar-width:none}
  .lesson-toc a{flex:none;white-space:nowrap;border:1px solid var(--line-2);border-radius:999px;padding:8px 14px;margin:0}
  .lesson-toc a:hover{border-color:var(--ink)}
  .split{grid-template-columns:1fr;gap:32px}
  .statement-grid{grid-template-columns:1fr;gap:24px}
  .roster-row a{grid-template-columns:72px minmax(0,1fr) auto;grid-template-areas:"photo name side" "photo title side" "photo roles side" "photo works side";column-gap:18px}
  .roster-photo{width:72px;align-self:start}
}

/* 휴대폰 */
@media (max-width:600px){
  .section{padding-block:52px}
  .page-head{padding-block:44px 28px}
  .home-hero{padding-block:36px 28px}
  .hero-sub{font-size:16px}
  .hero-credits{padding:16px 16px 6px;border-radius:20px}
  .hero-credits::before{width:300px;right:-120px;top:-120px}
  .hero-credits .mini-tracks li:nth-child(n+4){display:none}
  .hero-credits .mini-tracks li:nth-child(3){border-bottom:0}
  .cta-band::after{width:360px;right:-200px;bottom:-240px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:36px}
  .stats>div{padding-bottom:12px}
  .stats-inline{grid-template-columns:repeat(2,max-content)}
  .section-head{flex-wrap:wrap;align-items:flex-end}
  .panel{padding:24px 20px;border-radius:20px}
  .panel-no{position:static;font-size:56px;margin-bottom:6px}
  .panel-title{padding-right:0}
  .strip{gap:14px}
  .strip li{width:158px}
  .person-name{font-size:16px}
  .lesson-block{grid-template-columns:1fr;gap:4px;padding-block:36px}
  .lb-no{font-size:44px}
  .person-head{grid-template-columns:1fr;gap:24px}
  .person-head .photo-lg{max-width:220px}
  .roster-row a{grid-template-columns:64px minmax(0,1fr);grid-template-areas:"photo name" "photo title" "photo roles" "photo side";padding:16px 4px;row-gap:3px}
  .roster-photo{width:64px}
  .roster-works{display:none}
  .roster-side{flex-direction:row;align-items:center;justify-content:flex-start;margin-top:6px}
  .toolbar{display:block}
  .filters{flex-wrap:nowrap;overflow-x:auto;margin-inline:-20px;padding:0 20px 4px;scrollbar-width:none}
  .filters::-webkit-scrollbar{display:none}
  .people-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .person-filter{margin-top:12px}
  .person-filter select{flex:1}
  .year-group{grid-template-columns:1fr;gap:8px;padding-top:20px}
  .year-head{position:static;font-size:28px;padding-top:0}
  .track,.year-group .track{grid-template-columns:52px minmax(0,1fr) auto;grid-template-areas:"cover main actions";gap:2px 14px;padding:12px 0}
  .track-cover{width:52px}
  .track-year{display:none}
  .track-actions{flex-direction:column;gap:0}
  .work-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .legal{grid-template-columns:1fr;gap:2px}
  .legal dd{margin-bottom:10px}
  .player{grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"toggle text close" "seek seek time";bottom:8px;border-radius:18px}
  .player-toggle{grid-area:toggle}.player-text{grid-area:text}.player-close{grid-area:close}
  .player-seek{grid-area:seek}.player-time{grid-area:time}
  body.has-player{padding-bottom:150px}
}

@media (hover:none){
  .track:hover,.roster-row a:hover{background:none}
  .person-card:hover .photo{transform:none;box-shadow:none}
}
@media (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  ::view-transition-old(root),::view-transition-new(root){animation-duration:.18s}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}
.page-head + .section{padding-top:12px}
.section-lead{margin-top:10px;color:var(--muted);max-width:36em}
.hero-eyebrow{font-size:14px;font-weight:600;color:var(--accent);margin-bottom:14px}

/* 작품 상세 (팝업·단독 페이지) */
.track-cover-link{grid-area:cover;display:block;border-radius:10px}
.track-cover-link .track-cover{display:block}
.wd{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);background:#fff}
.wd-media{position:relative;aspect-ratio:16/9;background:var(--tint);overflow:hidden;align-self:start}
.wd-img{display:block;width:100%;height:100%;object-fit:cover}
.wd-empty{display:grid;place-items:center;width:100%;height:100%;color:var(--muted);font-size:14px;background:linear-gradient(135deg,var(--tint),#fff)}
.wd-video{position:absolute;inset:0}
.wd-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.wd-yt-play{position:absolute;inset:0;margin:auto;width:76px;height:76px;padding:0;border:0;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:0 18px 40px -12px rgba(0,0,0,.45);transition:transform .15s var(--ease)}
.wd-yt-play svg{width:34px;height:34px;fill:currentColor;margin-left:4px}
.wd-yt-play span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wd-yt-play:hover{transform:scale(1.06)}
.wd-yt-play:active{transform:scale(.95)}
.wd-yt-link{position:absolute;left:16px;bottom:16px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--ink);font-size:14px;font-weight:600}
.yt-ready .wd-yt-link{display:none}
.wd-body{padding:28px 28px 26px;min-width:0}
.wd-meta{margin:0;font-size:13px;color:var(--muted)}
.wd-title{margin:6px 0 18px;font-size:clamp(20px,2.3vw,26px);font-weight:700;line-height:1.35;letter-spacing:-.01em;word-break:keep-all;overflow-wrap:anywhere}
.wd-credits{margin:0}
.wd-credits div{display:grid;grid-template-columns:minmax(88px,auto) minmax(0,1fr);gap:12px;padding:9px 0;border-top:1px solid var(--line);font-size:14px}
.wd-credits dt a{color:var(--ink);font-weight:600;text-decoration:none}
.wd-credits dt a:hover{color:var(--accent)}
.wd-credits dd{margin:0;color:var(--muted)}
.wd-credit-note{margin:0;font-size:14px;color:var(--muted)}
.wd-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:20px}
.wd-actions:empty{display:none}
.work-dialog{padding:0;border:0;border-radius:24px;width:min(980px,calc(100% - 32px));max-width:none;max-height:calc(100dvh - 48px);overflow:auto;overscroll-behavior:contain;background:#fff;color:var(--ink);box-shadow:0 40px 90px -30px rgba(40,10,40,.55)}
.work-dialog::backdrop{background:rgba(28,14,30,.55);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.wdlg-inner{position:relative}
.wdlg-close{position:absolute;top:12px;right:12px;z-index:2;width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:50%;background:rgba(255,255,255,.94);color:var(--ink);display:grid;place-items:center;cursor:pointer}
.wdlg-close svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.wdlg-close:hover{color:var(--accent)}
html.dialog-open{overflow:hidden}
.wd-page .wd{border:1px solid var(--line);border-radius:24px;overflow:hidden}
.wd-page .back{font-size:14px;color:var(--muted)}
a[aria-busy="true"]{cursor:progress;opacity:.7}
@media (max-width:760px){
  .wd{grid-template-columns:minmax(0,1fr)}
  .wd-body{padding:22px 20px 24px}
  .work-dialog{width:calc(100% - 16px);max-height:calc(100dvh - 24px);border-radius:20px}
  .wdlg-close{top:8px;right:8px}
}
@media (prefers-reduced-motion:no-preference){
  .work-dialog[open]{animation:wd-in .24s var(--ease)}
  .work-dialog[open]::backdrop{animation:wd-fade .24s ease}
}
@keyframes wd-in{from{opacity:0;transform:translateY(12px) scale(.985)}to{opacity:1;transform:none}}
@keyframes wd-fade{from{opacity:0}to{opacity:1}}
/* 줄 전체를 눌러도 상세가 열리게 (재생·링크 버튼은 위에 둔다) */
.track{position:relative}
.track-title a::after{content:"";position:absolute;inset:0;border-radius:4px}
.track-actions{position:relative;z-index:1}
.track-title a:focus-visible{outline:none}
.track:has(.track-title a:focus-visible){outline:2px solid var(--accent);outline-offset:2px}
/* 작은 원본: 원래 크기로 가운데, 뒤는 흐린 같은 이미지 */
.has-small{background:var(--tint)}
.has-small::before{content:"";position:absolute;inset:-20px;background:var(--wd-bg) center/cover;filter:blur(18px) saturate(1.1);opacity:.55}
.wd-img.is-small{position:absolute;inset:0;margin:auto;width:auto;height:auto;max-width:100%;max-height:100%;border-radius:10px;box-shadow:0 12px 30px -12px rgba(0,0,0,.35)}
.wd-video.has-small::before{z-index:0}
.wd-video .wd-yt-play,.wd-video .wd-yt-link{z-index:1}