:root{
  --bg:#0b0b0b;--card:#131313;--line:#262626;--line-2:#333;--ink:#ececec;--ink-2:#b4b4b4;--ink-3:#7c7c7c;
  --red:#ff4a3d;--blue:#3d8bff;--teal:#2bc4b4;
  --sans:"IBM Plex Sans KR",system-ui,-apple-system,"Malgun Gothic",sans-serif;--disp:"Sora","IBM Plex Sans KR",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;--wrap:1160px;--r:16px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.7;word-break:keep-all;overflow-wrap:anywhere}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 16px}
@media (min-width:720px){.wrap{padding:0 32px}}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
/* 머리띠 */
.hdr{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px}
.brand{flex-shrink:0;white-space:nowrap;display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--disp);font-weight:700;letter-spacing:.01em}
.brand b{color:var(--ink)}.brand i{font-style:normal;color:var(--red)}
.brand small{font-family:var(--sans);font-weight:500;color:var(--ink-2);font-size:14px;border-left:1px solid var(--line-2);padding-left:10px}
.hdr nav{display:flex;gap:4px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.hdr nav a{text-decoration:none;font-size:14px;color:var(--ink-2);padding:8px 10px;border-radius:999px;white-space:nowrap}
.hdr nav a:hover,.hdr nav a[aria-current]{color:var(--ink);background:#1d1d1d}
@media (max-width:640px){.brand small{display:none}.hdr nav a.hide-s{display:none}}
/* 첫 화면 */
.hero{padding:56px 0 28px}
.hero h1{font-family:var(--disp);font-size:clamp(30px,5.4vw,56px);line-height:1.2;margin:10px 0 14px;letter-spacing:-.01em}
.hero h1 em{font-style:normal;color:var(--red)}
.hero p{color:var(--ink-2);font-size:clamp(16px,2vw,19px);max-width:40em;margin:0}
/* 카드 목록 */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:16px;padding:20px 0 56px}
@media (min-width:900px){.grid{grid-template-columns:repeat(2,1fr);gap:20px}}
.card{display:flex;flex-direction:column;text-decoration:none;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .2s,transform .2s}
.card:hover{border-color:#4a4a4a;transform:translateY(-2px)}
.card img{aspect-ratio:4/3;width:100%;object-fit:cover;border-bottom:1px solid var(--line)}
.card__b{padding:18px 20px 20px;display:grid;gap:6px}
.card__t{font-size:20px;font-weight:700;margin:0}
.card__d{color:var(--ink-2);margin:0;font-size:15px}
.card__k{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
kbd{font-family:var(--mono);font-size:12px;background:#1f1f1f;border:1px solid var(--line-2);border-bottom-width:2px;border-radius:6px;padding:1px 7px;color:var(--ink)}
.chip{font-size:12px;color:var(--ink-2);border:1px solid var(--line-2);border-radius:999px;padding:2px 10px}
/* 소개 띠 */
.band{border-top:1px solid var(--line);padding:44px 0}
.band h2{font-size:clamp(22px,3vw,28px);margin:0 0 12px}
.band p{color:var(--ink-2);margin:0 0 10px;max-width:46em}
.cols{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));margin-top:20px}
.col{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:var(--card)}
.col h3{margin:0 0 6px;font-size:16px}.col p{margin:0;font-size:14px}
/* 상세 */
.det-hd{padding:36px 0 18px;display:grid;gap:8px}
.det-hd h1{font-size:clamp(26px,4.4vw,44px);line-height:1.25;margin:0;font-family:var(--disp)}
.det-hd p{color:var(--ink-2);margin:0;max-width:44em;font-size:17px}
.stage{position:relative;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#111}
.stage iframe{display:block;width:100%;border:0;background:#0b0b0b}
.stage__bar{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;justify-content:space-between;padding:10px 14px;border-top:1px solid var(--line);font-size:14px;color:var(--ink-2)}
.stage__bar a{color:var(--ink);text-decoration:none;border:1px solid var(--line-2);border-radius:999px;padding:5px 14px;white-space:nowrap}
.stage__bar a:hover{border-color:#555}
.det{display:grid;gap:28px;padding:28px 0 56px}
@media (min-width:900px){.det{grid-template-columns:1fr 1fr;gap:36px}}
.det h2{font-size:20px;margin:0 0 12px}
.det p{color:var(--ink-2);margin:0 0 10px}
.keys{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.keys li{display:grid;grid-template-columns:minmax(110px,auto) 1fr;gap:12px;align-items:baseline;border-bottom:1px dashed var(--line);padding-bottom:8px;color:var(--ink-2)}
.keys li span:first-child{display:flex;gap:4px;flex-wrap:wrap}
.parts{margin:0;padding:0;list-style:none;counter-reset:p;display:grid;gap:6px}
.parts li{counter-increment:p;display:grid;grid-template-columns:34px 1fr;gap:8px;color:var(--ink-2)}
.parts li::before{content:counter(p,decimal-leading-zero);font-family:var(--mono);font-size:13px;color:var(--red);padding-top:2px}
.parts li small{color:var(--ink-3);font-family:var(--mono);font-size:12px;margin-left:4px}
table.spec{width:100%;border-collapse:collapse;font-size:15px}
table.spec th,table.spec td{text-align:left;border-bottom:1px solid var(--line);padding:8px 6px;vertical-align:top}
table.spec th{color:var(--ink-3);font-weight:500;width:42%}
.note{font-size:13px;color:var(--ink-3)}
.pager{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:22px 0 8px}
.pager a{text-decoration:none;color:var(--ink-2);font-size:15px}.pager a:hover{color:var(--ink)}
/* 바닥글 */
.ftr{border-top:1px solid var(--line);padding:32px 0 40px;color:var(--ink-3);font-size:13px}
.ftr .wrap{display:grid;gap:10px}
.ftr strong{color:var(--ink-2);font-weight:600}
.ftr a{color:var(--ink-2)}
.ftr__links{display:flex;flex-wrap:wrap;gap:6px 16px}
/* 작동 영상 */
.reel{position:relative;min-height:min(86vh,820px);display:flex;align-items:flex-end;overflow:hidden;border-bottom:1px solid var(--line)}
.reel__v{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.reel__shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,11,11,.15) 0%,rgba(11,11,11,.25) 45%,rgba(11,11,11,.92) 100%)}
.reel__in{position:relative;padding-top:120px;padding-bottom:64px}
.reel__in h1{font-family:var(--disp);font-size:clamp(34px,6.6vw,76px);line-height:1.12;margin:10px 0 16px;letter-spacing:-.015em;text-shadow:0 4px 30px rgba(0,0,0,.5)}
.reel__in h1 em{font-style:normal;color:var(--red)}
.reel__in p{color:#d8d8d8;font-size:clamp(16px,2vw,19px);max-width:38em;margin:0;text-shadow:0 2px 12px rgba(0,0,0,.6)}
.reel__in .mono{color:#cfcfcf}
.reel__btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.reel__note{position:absolute;right:16px;bottom:10px;margin:0;font-size:11px;color:rgba(255,255,255,.55)}
.btn-snd{font:inherit;font-weight:600;font-size:15px;cursor:pointer;border:0;border-radius:999px;padding:12px 22px;background:var(--red);color:#fff;display:inline-flex;align-items:center;gap:8px}
.btn-snd::before{content:"";width:0;height:0;border-left:9px solid currentColor;border-top:6px solid transparent;border-bottom:6px solid transparent}
.btn-snd[aria-pressed="true"]{background:#2a2a2a}
.btn-snd[aria-pressed="true"]::before{border:0;width:8px;height:10px;border-left:3px solid currentColor;border-right:3px solid currentColor}
.btn-ghost{font-weight:600;font-size:15px;text-decoration:none;border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:11px 20px;color:#fff;backdrop-filter:blur(6px)}
.film{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#000;margin-bottom:28px}
.film video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#000}
.film__bar{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;justify-content:space-between;padding:10px 14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.film__bar b{color:var(--ink);font-weight:600}
.film__bar .btn-snd{padding:8px 16px;font-size:14px}
h2.sub{font-size:20px;margin:0 0 12px}
.card__m{position:relative;aspect-ratio:4/3;overflow:hidden;border-bottom:1px solid var(--line)}
.card__m img,.card__m video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
.card__m video{opacity:0;transition:opacity .35s}
.card.is-play .card__m video{opacity:1}
.card__play{position:absolute;left:12px;bottom:12px;font-size:12px;font-weight:600;background:rgba(0,0,0,.6);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:3px 10px;backdrop-filter:blur(4px)}
.card.is-play .card__play{opacity:0}
@media (hover:none){.card__play{display:none}}
/* 근육 해부 */
.sech{font-size:clamp(22px,3vw,30px);margin:44px 0 6px}.sech small{font-size:15px;color:var(--ink-3);font-weight:500;margin-left:6px}
.lead{color:var(--ink-2);max-width:46em;margin:0 0 18px}
.mvg{margin:18px 0 26px}.mvg h3{font-size:15px;color:var(--ink-3);font-weight:600;margin:0 0 10px;letter-spacing:.02em}
.mvl{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,210px),1fr));gap:10px}
.mv{display:grid;gap:2px;text-decoration:none;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--card);transition:border-color .2s,transform .2s}
.mv:hover{border-color:#4a4a4a;transform:translateY(-1px)}.mv b{font-size:16px}.mv span{font-size:13px;color:var(--ink-3)}
.mxwrap{margin-bottom:8px}
.mx{border:1px solid var(--line);border-radius:var(--r);background:#0f0f0f;overflow:hidden;outline:none}
.mx:focus-visible{border-color:var(--red)}
.mx__stage svg{display:block;width:100%;height:auto;max-height:min(72vh,640px);touch-action:none;cursor:grab}
.mx__stage svg:active{cursor:grabbing}
.mx__ui{display:flex;gap:10px;align-items:center;padding:10px 14px;border-top:1px solid var(--line)}
.mx__play{width:40px;height:36px;border-radius:999px;border:0;background:var(--red);color:#fff;font-size:13px;cursor:pointer;flex-shrink:0}
.mx__rng{flex:1;accent-color:var(--red);min-width:0}
.mx__spd{background:#1a1a1a;color:var(--ink);border:1px solid var(--line-2);border-radius:8px;padding:6px 8px;font:inherit;font-size:13px}
.mx__info{padding:4px 14px 14px}
.mx__state{margin:6px 0 10px;color:var(--ink-2);font-size:15px}.mx__state b{color:var(--ink);font-family:var(--mono)}
.mx__state em{font-style:normal;color:var(--red);font-weight:600}.mx__state em.ec{color:var(--blue)}
.mx__tbl{width:100%;border-collapse:collapse;font-size:14px}
.mx__tbl th,.mx__tbl td{text-align:left;border-bottom:1px solid var(--line);padding:7px 6px;white-space:nowrap}
.mx__tbl th{color:var(--ink-3);font-weight:500}.mx__tbl td.num{font-family:var(--mono);text-align:right}.mx__tbl th:nth-child(n+3){text-align:right}
.mx__tbl td:first-child{white-space:normal}
.mx__dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:7px;vertical-align:1px}
@media (max-width:560px){.mx__tbl th:nth-child(4),.mx__tbl td:nth-child(4){display:none}}
.tabs{display:flex;gap:6px;flex-wrap:wrap}
.tabs button{font:inherit;font-size:14px;cursor:pointer;border:1px solid var(--line-2);background:transparent;color:var(--ink-2);border-radius:999px;padding:7px 14px}
.tabs button[aria-selected="true"]{background:var(--ink);color:#111;border-color:var(--ink);font-weight:600}
.film__note{margin:0;padding:0 14px 12px;font-size:12px;color:var(--ink-3)}
.cta{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:var(--r);padding:24px;margin:32px 0 8px;background:linear-gradient(135deg,#1a0f0e,#0f1218)}
.cta h2{margin:0 0 6px;font-size:22px}.cta p{margin:0;color:var(--ink-2);max-width:40em}.cta .btn-snd{text-decoration:none}.cta .btn-snd::before{display:none}
.rel{margin:0;padding-left:18px;color:var(--ink-2)}.rel li{margin:4px 0}.rel a{color:var(--ink)}
.refs{color:var(--ink-2);font-size:14px;padding-left:20px}
.pager{flex-wrap:wrap}