.ex h1,.ex h2,.ex h3,.ex p{margin:0}
.ex-head{padding:56px 0 8px}
.ex-head h1{font-size:clamp(34px,4.4vw,52px);line-height:1.08;letter-spacing:-.025em}
.ex-head p{margin-top:14px;max-width:60ch;color:var(--ink2);font-size:18px;line-height:1.5}

.ex-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.ex-chips button{height:36px;padding:0 16px;border-radius:99px;border:1px solid var(--line2);background:none;display:inline-flex;align-items:center;font:600 14.5px/1 inherit;font-family:inherit;color:var(--ink2);cursor:pointer}
.ex-chips button:hover{color:var(--ink)}
.ex-chips button.on{background:var(--seg);color:var(--seg-ink);border-color:transparent}
.ex-chips button:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
html:not(.js) .ex-chips{display:none}
.ex-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:40px 28px}
.ex-hubgrid{margin-top:30px}
.ex-card{display:flex;flex-direction:column;gap:12px;color:inherit;text-decoration:none;min-width:0}
.ex-card[hidden]{display:none}
.ex-art{position:relative;aspect-ratio:16/10;border-radius:16px;overflow:hidden;background:#1E1E1E;border:1px solid var(--line)}
.ex-art img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.32);transform-origin:40% 46%;transition:transform .35s ease}
.ex-card:hover .ex-art img{transform:scale(1.37)}
.ex-lv{position:absolute;left:12px;top:12px;height:26px;padding:0 10px;border-radius:99px;background:rgba(20,19,16,.78);color:#F4F2EC;font-size:12.5px;font-weight:600;display:inline-flex;align-items:center}
.ex-dur{position:absolute;right:12px;bottom:12px;height:26px;padding:0 9px;border-radius:7px;background:rgba(20,19,16,.82);color:#F4F2EC;font-size:13px;font-weight:600;display:inline-flex;align-items:center;font-variant-numeric:tabular-nums}
.ex-play{position:absolute;left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px;border-radius:50%;background:rgba(20,19,16,.72);display:grid;place-items:center;opacity:0;transform:scale(.9);transition:opacity .2s,transform .2s}
.ex-play svg{width:22px;height:22px;fill:#F4F2EC;margin-left:3px}
.ex-card:hover .ex-play,.ex-card:focus-visible .ex-play{opacity:1;transform:none}
@media (hover:none){.ex-play{opacity:1;transform:none}}
.ex-body h3{font-size:18px;line-height:1.3;letter-spacing:-.01em}
.ex-tools{font-size:14.5px;color:var(--ink3);line-height:1.4;margin-top:4px!important}
.ex-card:focus-visible{outline:2px solid var(--ink);outline-offset:6px;border-radius:16px}
.ex-lessons{margin-top:56px;border-top:1px solid var(--line);padding-top:20px}
.ex-lessons summary{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:15px;color:var(--ink2);list-style:none;border-bottom:1px solid var(--line2);padding-bottom:2px}
.ex-lessons summary::-webkit-details-marker{display:none}
.ex-lessons summary::after{content:"\2193";font-size:13px}
.ex-lessons[open] summary::after{content:"\2191"}
.ex-lessons summary:hover{color:var(--ink)}
.ex-lessons summary:focus-visible{outline:2px solid var(--ink);outline-offset:4px}
.ex-lesgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px 28px;margin-top:22px}
.ex-row:focus-visible,.ex-bigplay:focus-visible,.ex-copy:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.ex-rows-h{font-size:14px;font-weight:600;color:var(--ink3);padding-bottom:8px}
.ex-rows{min-width:0}
.ex-row{display:flex;align-items:flex-start;gap:12px;padding:11px 2px;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}
.ex-rows-h+.ex-row{border-top:1px solid var(--line)}
.ex-row svg{width:16px;height:16px;flex:none;fill:none;stroke:var(--ink3);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-top:3px}
.ex-row .ex-chev{margin-left:auto}
.ex-row:hover b{text-decoration:underline;text-underline-offset:2px}
.ex-row-t{min-width:0;display:flex;flex-direction:column;gap:2px}
.ex-row-t b{font-size:15px;font-weight:600;line-height:1.35}
.ex-row-t span{font-size:13.5px;line-height:1.4;color:var(--ink2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.ex>.wrap{padding-bottom:64px}

.ex-crumb{padding:28px 0 0;font-size:14px}
.ex-crumb a{color:var(--ink2);text-decoration:none}
.ex-crumb a::before{content:"\2190\00a0"}
.ex-crumb a:hover{color:var(--ink)}
.ex-dhead{padding:14px 0 22px}
.ex-kick{font-size:15px;font-weight:600;color:var(--ink2)}
.ex-dhead h1{font-size:clamp(30px,3.6vw,44px);line-height:1.1;letter-spacing:-.025em;margin-top:4px}
.ex-dmeta{font-size:15px;color:var(--ink2);margin-top:10px}
.ex-dhead .ex-tools{font-size:14px;margin-top:4px}
.ex-dgrid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:32px;align-items:start}
.ex-frame{position:relative;border:1px solid var(--line);border-radius:14px;background:var(--paper);height:clamp(420px,62vh,640px);display:flex;align-items:center;justify-content:center;padding:24px;overflow:hidden}
.ex-frame>img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;border-radius:3px;box-shadow:0 1px 2px rgba(26,24,19,.14),0 12px 30px rgba(26,24,19,.16)}
.ex-bigplay{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:10px;height:52px;padding:0 22px 0 18px;border:0;border-radius:99px;background:#24211C;color:#FBFAF7;font:600 16px/1 inherit;font-family:inherit;white-space:nowrap;cursor:pointer;box-shadow:0 4px 18px rgba(26,24,19,.32)}
.ex-bigplay:hover{background:#000}
.ex-bigplay svg{width:15px;height:15px;fill:currentColor}
.ex-note{margin-top:10px!important;font-size:13.5px;color:var(--ink3)}
.ex-fail{margin-top:10px!important;font-size:14.5px;color:var(--ink);border-left:3px solid var(--ink);padding-left:10px}
.ex-make{margin-top:16px;display:inline-flex;text-decoration:none}
.ex-phone{display:none;margin-top:14px;font-size:15px;line-height:1.45;color:var(--ink2)}
.ex-copy{display:block;margin-top:10px;min-height:44px;width:100%;padding:0 14px;border-radius:10px;border:1px solid var(--line2);background:var(--card);color:var(--ink);font:inherit;font-weight:600;cursor:pointer}
.ex-steps h2,.ex-les h2{font-size:22px;letter-spacing:-.015em;margin-bottom:12px}
.chap{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:12px;background:var(--card);overflow:hidden}
.chap li{padding:13px 14px;border-bottom:1px solid var(--line)}
.chap li:last-child{border-bottom:0}
.chap img{display:none;width:100%;height:auto;border-radius:6px;margin-bottom:10px}
.chap-t{display:grid;grid-template-columns:26px minmax(0,1fr);gap:6px}
.chap-n{font-size:14px;font-weight:600;color:var(--ink3);font-variant-numeric:tabular-nums;padding-top:1px}
.chap h3{font-size:15px;line-height:1.3;letter-spacing:-.005em}
.chap p{font-size:13.5px;line-height:1.45;color:var(--ink2);margin-top:3px}
.ex-les{padding-top:44px}

html.ex-small .ex-bigplay,html:not(.js) .ex-bigplay,html.ex-small .ex-note,html:not(.js) .ex-note{display:none}
html.ex-small .ex-phone,html:not(.js) .ex-phone{display:block}
html:not(.js) .ex-copy{display:none}
html.ex-small .chap img,html:not(.js) .chap img{display:block}
html.ex-small .ex-frame{height:auto;padding:16px}
html.ex-small .ex-frame>img{max-height:440px}

#ex-player{position:fixed;left:0;top:0;width:100vw;height:100vh;border:0;margin:0;padding:0;z-index:2147483646;background:#141310;color-scheme:normal}
html.ex-playing,html.ex-playing body{overflow:hidden}

@media (max-width:980px){
  .ex-dgrid{grid-template-columns:minmax(0,1fr);gap:24px}
}
@media (max-width:720px){
  .ex-head{padding:32px 0 4px}
  .ex-head p{font-size:16px}
  .ex-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .ex-art{border-radius:14px}
  .ex-art img,.ex-card:hover .ex-art img{transform:none}
  .ex-make{display:flex;justify-content:center}
  .ex-row-t span{-webkit-line-clamp:2}
}

.ex-film{display:none;margin:0}
.ex-film video{display:block;width:100%;height:auto;aspect-ratio:1280/884;border-radius:12px;border:1px solid var(--line);background:#1E1E1E}
.ex-film figcaption{margin-top:8px;font-size:13.5px;color:var(--ink3)}
html.ex-small .has-film .ex-film{display:block}
html.ex-small .has-film .ex-frame{display:none}
.ex-film{position:relative}
.ex-filmplay{position:absolute;left:50%;top:calc(50% - 14px);width:72px;height:72px;margin:-36px 0 0 -36px;border:0;border-radius:50%;background:rgba(20,19,16,.78);color:#F4F2EC;display:grid;place-items:center;cursor:pointer}
.ex-filmplay svg{width:26px;height:26px;fill:currentColor;margin-left:4px}
.ex-filmplay:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.ex-film.on .ex-filmplay{display:none}
.ex-live{display:flex;align-items:center;justify-content:center;gap:8px}.ex-live svg{width:12px;height:12px;fill:currentColor}