.dsc [id]{scroll-margin-top:var(--header-height, 72px)}.dsc-intro{padding:calc(var(--header-height, 72px) + var(--space-8)) 0 var(--space-6);--ld-u: var(--color-volt)}.dsc .dsc-intro__title{font-size:clamp(40px,6vw,84px)}.dsc-jump{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-top:var(--space-5)}.dsc-jump__link{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--radius-full);border:1px solid var(--color-divider-strong);font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-soft);transition:border-color .2s var(--ease-out),color .2s var(--ease-out)}.dsc-jump__link:hover{border-color:var(--ld-u);color:var(--color-text)}.dsc .dsc-sec{padding:var(--space-8) 0}.dsc .dsc-head{margin-bottom:var(--space-5)}.dsc .dsc-title{font-size:clamp(30px,3.6vw,52px)}.dsc-player{position:relative;aspect-ratio:16 / 9;width:100%;border-radius:var(--radius-lg);overflow:hidden;background:var(--color-surface);border:1px solid var(--color-divider);box-shadow:var(--shadow-card)}.dsc-player video{display:block;width:100%;height:100%;object-fit:cover;background:#000}.dsc-player.is-started video{object-fit:contain}.dsc-player__cover{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;border:0;padding:0;cursor:pointer;color:var(--color-ink);background:linear-gradient(180deg,#0a0a0a00 60%,#0a0a0a80)}.dsc-player__play{display:grid;place-items:center;width:84px;height:84px;border-radius:var(--radius-full);background:var(--color-volt);box-shadow:0 12px 32px #00000073;transition:transform .25s var(--ease-spring),background .2s var(--ease-out)}.dsc-player__cover:hover .dsc-player__play{transform:scale(1.06);background:var(--color-volt-deep)}.dsc-player__cover:focus-visible{outline:2px solid var(--color-volt);outline-offset:-2px}.dsc-action{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-3) var(--space-4);margin-top:var(--space-5)}.dsc-action__note{color:var(--color-text-muted);font-size:15px;max-width:46ch}@media (max-width: 768px){.dsc-intro{padding-top:calc(var(--header-height, 64px) + var(--space-6));padding-bottom:var(--space-4)}.dsc .dsc-sec{padding:var(--space-6) 0}.dsc-player{border-radius:var(--radius-md)}.dsc-player__play{width:60px;height:60px}.dsc-player__play svg{width:22px;height:22px}.dsc-action{flex-direction:column;align-items:stretch}.dsc-action .btn{justify-content:center}.dsc-action__note{text-align:center;max-width:none}}