.divisor-lab-launcher-root,.divisor-lab-launcher-root *{box-sizing:border-box} .divisor-lab-launcher-root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;height:100dvh;min-height:480px;padding:clamp(12px,2vw,28px);background:linear-gradient(135deg,#0ea5e9,#6366f1,#8b5cf6);color:#1e3a5f} .divisor-lab-launcher-root .lab-cards{display:grid;width:100%;height:100%;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));gap:clamp(12px,1.5vw,24px)} .divisor-lab-launcher-root .lab-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;position:relative;padding:clamp(10px,1.5vw,22px);background:white;border:3px solid transparent;border-radius:24px;color:#1e3a5f;text-decoration:none;box-shadow:0 8px 24px #142b4d20;min-width:0;min-height:0} .divisor-lab-launcher-root .lab-card:nth-child(4n+2){color:#24734d} .divisor-lab-launcher-root .lab-card:nth-child(4n+3){color:#8b5cf6} .divisor-lab-launcher-root .lab-card:nth-child(4n+4){color:#d97706} .divisor-lab-launcher-root .lab-card:hover{border-color:#f4c84d} .divisor-lab-launcher-root .lab-card:focus-visible{outline:4px solid #f4c84d;outline-offset:-5px} .divisor-lab-launcher-root .lab-picture{width:100%;flex:1;min-height:0;display:grid;place-items:center} .divisor-lab-launcher-root .lab-picture svg{display:block;width:100%;height:100%;max-height:280px} .divisor-lab-launcher-root .lab-card h2{flex:0 0 auto;margin:0;color:#1e3a5f;font-size:clamp(17px,1.7vw,29px);line-height:1.3;font-weight:800;text-align:center} @media(max-width:900px){.divisor-lab-launcher-root{height:auto;min-height:100dvh} .divisor-lab-launcher-root .lab-cards{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:none;grid-auto-rows:260px}} @media(max-width:520px){.divisor-lab-launcher-root .lab-cards{grid-template-columns:1fr;grid-auto-rows:230px}}
/* 既存の教科別まとめ画像をカード内に表示。画像がない場合はSVGへ戻す */
.divisor-lab-launcher-root .lab-picture{position:relative;overflow:hidden;}
.divisor-lab-launcher-root .lab-picture.has-thumbnail img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;z-index:1;}
.divisor-lab-launcher-root .lab-picture.has-thumbnail svg{position:absolute;inset:0;width:100%;height:100%;}
.divisor-lab-launcher-root .lab-description{margin:0;color:#526783;text-align:center;font-size:clamp(12px,1vw,15px);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}