.oido-introduction{display:grid;grid-template-columns:.85fr 1.15fr;align-items:center;gap:64px;padding-block:48px;border-bottom:1px solid var(--line)}
.oido-introduction-copy{min-width:0}.oido-introduction-copy h2{font-size:clamp(2rem,3vw,2.7rem)}.oido-introduction-copy p{max-width:33ch;margin-top:20px;color:var(--muted)}
.oido-introduction-preview{display:block;min-width:0;text-decoration:none;background:var(--paper)}
.oido-introduction-image{display:block;position:relative}.oido-introduction-image>img{width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}
.oido-introduction-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:76px;height:76px;border:1px solid var(--copper);border-radius:50%;background:#fff;color:var(--copper);box-shadow:0 2px 16px #24232126}
.oido-introduction-preview:hover .oido-introduction-play,.oido-introduction-preview:focus-visible .oido-introduction-play{background:var(--copper);color:#fff}
.oido-introduction-label{display:flex;justify-content:space-between;gap:18px;align-items:baseline;padding:14px 18px;font-size:.88rem}.oido-introduction-label>span:last-child{white-space:nowrap;color:var(--muted);font-variant-numeric:tabular-nums}
.oido-video-dialog{width:min(1120px,calc(100vw - 48px));max-width:none;max-height:calc(100vh - 40px);max-height:calc(100dvh - 40px);padding:0;border:0;background:#fff;color:var(--ink);overflow:auto}
.oido-video-dialog:not([open]){display:none}.oido-video-dialog::backdrop{background:rgb(36 35 33 / .76)}
.oido-video-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 22px}.oido-video-bar h2{font-size:1.4rem;letter-spacing:-.02em}
.oido-video-close{display:inline-flex;align-items:center;gap:12px;min-height:44px;padding:8px 12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:.85rem;cursor:pointer}.oido-video-close>span{font-size:1.6rem;line-height:1}.oido-video-close:hover{border-color:var(--copper);color:var(--copper)}
.oido-video-player{display:block;width:100%;height:auto;max-height:calc(100vh - 200px);max-height:calc(100dvh - 200px);aspect-ratio:16/9;background:var(--paper);object-fit:contain}
.oido-video-help{padding:14px 22px 0;font-size:.88rem;color:var(--muted)}.oido-video-download{padding:12px 22px 16px;font-size:.8rem}.oido-video-open{overflow:hidden}
@media(max-width:900px){.oido-introduction{gap:32px;grid-template-columns:.9fr 1.1fr}.oido-introduction-copy p{font-size:.94rem}.oido-introduction-play{width:64px;height:64px}}
@media(max-width:700px){.oido-introduction{grid-template-columns:1fr;gap:24px;padding-block:32px}.oido-introduction-copy p{max-width:42ch;margin-top:14px;font-size:.94rem}.oido-introduction-label{padding:13px 14px;font-size:.83rem}.oido-video-dialog{width:calc(100vw - 24px);max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px)}.oido-video-bar{padding:12px;gap:12px}.oido-video-bar h2{font-size:1.15rem}.oido-video-close{gap:8px;font-size:.8rem}.oido-video-help{padding-inline:14px}.oido-video-download{padding:12px 14px 14px}}
@media(prefers-reduced-motion:no-preference){.oido-introduction-play{transition:background-color .18s,color .18s}}
@media print{.oido-introduction,.oido-video-dialog{display:none!important}}