Word-timed captions where the spoken word pops onto an accent block and its neighbours dim, in a fixed-height row that never reflows

This is the format it was composed for. Switch above to see it lay itself out for another — same animation, re-arranged for the frame.
No Tailwind, no CSS, no asset files. Inline styles only.
TikTok-style word-timed captions in the lower third, where the current word is scaled up in the accent colour with a block behind it and the neighbouring words are smaller and muted.