:root{color-scheme:light;--ink:var(--ltct-ink,#14213d);--green:var(--ltct-primary,#2447e8);--muted:var(--ltct-text-muted,#4c5a73);--line:var(--ltct-border,#dbe3f2)}*{box-sizing:border-box}body{margin:0;background:var(--ltct-surface-alt,#f0f4ff);color:var(--ink);font-family:system-ui,-apple-system,"Noto Sans KR",sans-serif;font-size:17px;line-height:1.65}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:var(--green);text-underline-offset:4px}.laboratory{max-width:1120px;margin:auto;padding:28px 24px}.intro{display:flex;justify-content:space-between;align-items:center;padding:22px 28px;background:var(--ltct-surface-alt,#f0f4ff);border-radius:26px;gap:20px}.intro h1{font-size:clamp(28px,4vw,40px);line-height:1.25;letter-spacing:-.03em;margin:6px 0 12px}.intro p{margin:0 0 14px}.intro img{width:25%;max-width:112px;height:auto;object-fit:contain}.eyebrow{font-size:15px;color:var(--muted)}.pills{display:flex;gap:8px;flex-wrap:wrap}.pills span{font-size:14px;padding:5px 11px;background:#fff9;border-radius:30px}.start-strip{margin:18px 0 20px;border-bottom:1px solid var(--line);padding:0 5px 20px}.start-strip p{margin:6px 0}.start-strip a{font-weight:750}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-head h2{font-size:22px}.section-head span{font-size:15px;color:var(--muted)}.family-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.family-card{display:flex;flex-direction:column;background:white;border:1px solid var(--line);border-radius:19px;padding:22px}.family-top{display:flex;justify-content:space-between;align-items:center}.family-icon{display:grid;place-items:center;width:45px;height:45px;border-radius:12px;background:var(--ltct-surface-alt,#f0f4ff);color:var(--green);font-size:28px}.family-top small{font-size:14px;color:var(--muted)}.family-card h3{font-size:21px;margin:13px 0 7px}.family-card p{margin:0 0 16px;color:var(--muted);font-size:16px;flex:1}.family-card .actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.play-link{background:var(--green);color:#fff;border-radius:10px;text-decoration:none;padding:10px 15px;font-weight:700;display:inline-block}.stage-button{border:1px solid var(--line);background:#fff;color:var(--green);padding:9px 12px;border-radius:10px;min-height:46px}.family-card progress{width:100%;height:6px;accent-color:var(--green);margin:0 0 14px}.stage-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;margin-top:24px;scroll-margin-top:15px}.stage-panel h2{margin:0;font-size:24px}.stage-panel .stage-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:10px}.stage-grid a{display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;text-decoration:none;min-height:48px;font-weight:700}.stage-grid a.done{background:var(--ltct-surface-strong,#e9efff);border-color:var(--ltct-border-strong,#bdcbed)}.stage-grid a.current{outline:2px solid var(--green);outline-offset:1px}footer{border-top:1px solid var(--line);margin-top:36px;padding:20px 0;color:var(--muted);font-size:14px}footer p{margin:6px 0}:focus-visible{outline:3px solid var(--ltct-primary,#2447e8);outline-offset:3px}[hidden]{display:none!important}@media(max-width:750px){.family-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.intro{padding:26px}.stage-panel .stage-grid{grid-template-columns:repeat(5,1fr)}}@media(max-width:460px){.laboratory{padding:16px 14px}.intro{padding:24px 20px;gap:8px}.intro img{width:27%}.intro h1{font-size:30px}.intro p{font-size:16px}.eyebrow{font-size:14px}.family-grid{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column;gap:0;margin-bottom:16px}.section-head h2{margin-bottom:0}.family-card{padding:20px}.stage-panel{padding:20px 14px}}


/* Shared LTCT illustration and pastel card system. */
:root{--ink:#182943;--green:#2447e8;--muted:#596a80;--line:#e2e8f2}
body{background:#fff;font-size:16px}
.intro{background:#fff8e7;border:1px solid #f0e7ca;border-radius:24px;padding:30px}
.intro img{width:180px;max-width:27%;height:auto}
.pills span{background:#fff;font-size:14px;color:#776744}
.family-card{border-radius:20px;background:#f5f6ff}
.family-card:nth-child(3n+2){background:#effaf6}
.family-card:nth-child(3n){background:#fff6ed}
.family-icon{width:60px;height:60px;background:transparent}
.family-icon img{width:56px;height:56px;object-fit:contain}
.family-card h3{font-size:22px}
.play-link,.stage-button{border-radius:999px;min-height:46px}
.stage-panel{border-radius:22px}
@media(max-width:460px){.intro{padding:24px 20px}.intro img{width:90px;max-width:30%}.intro h1{font-size:28px}.family-top{gap:12px}.family-top small{text-align:right}.family-card{padding:22px}}

/* Type-practice landing: keep game hub items out and introduce the practice space first. */
.intro{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(240px,.82fr);align-items:center;gap:30px;background:#fff8e7;border:1px solid #efe4c5}
.intro-copy{min-width:0}
.intro-photo{width:100%!important;max-width:360px!important;aspect-ratio:13/9;height:auto!important;justify-self:end;object-fit:cover!important;object-position:center;border-radius:18px;border:1px solid #eadfbe;box-shadow:0 8px 24px rgba(50,42,23,.08)}
@media(max-width:750px){.intro{grid-template-columns:1fr;gap:20px}.intro-photo{justify-self:stretch;max-width:none!important;aspect-ratio:16/9}.intro-copy{order:1}.intro-photo{order:2}}
@media(max-width:460px){.intro{padding:22px 18px}.intro h1{font-size:30px}.intro-photo{width:100%!important;max-width:none!important}}