.practice-layout{display:grid;grid-template-columns:minmax(220px,340px) minmax(0,1fr);gap:40px;align-items:center}.practice-video{display:block;width:100%;max-height:580px;background:#122433;border-radius:18px;object-fit:contain}.practice-copy h3{font-size:28px;line-height:1.25}.practice-copy p{line-height:1.7}.practice-note{font-size:14px;color:#586975}.practice-copy details{margin-top:24px}.practice-copy summary{cursor:pointer;min-height:44px;padding:12px 0}.practice-copy ol{padding-left:22px;line-height:1.8}@media(max-width:650px){.practice-layout{grid-template-columns:1fr;gap:20px}.practice-video{max-height:520px}.practice-copy h3{font-size:25px}}