パックの内容

SKILL.md（手順書）1点とスターターテンプレート1点が入っています。プレビューはこちらです：

Video Maker

When to use

• You have product photos and need a short video ad (15–60 seconds) without hiring a production crew
• You have an idea for a video — an explainer, a promo, a social clip — and want it turned into a finished file
• You need a voiceover and don't want to record one yourself
• You want to iterate on scenes cheaply instead of reshooting
• A marketing channel needs steady video content and you want the pipeline, not a one-off

Workflow

1. Lock the brief (input: photos / idea + audience + length → output: brief)
   Get three things in writing: what the video is about, who it's for, and how long it should be. In one real case the input was just "product photos + target audience description"; in another, a plain idea plus audience and target length. Everything downstream — script, tone, shot list — leans on this.
2. Write and approve the script first (input: brief → output: approved script + shot list)
   Break the video into shots with a script and per-shot notes (what happens, what the voiceover says). Get your approval on the script before any footage is made — fixing a sentence now costs nothing; reshooting a scene later costs everything.
3. Generate or assemble the footage (input: shot list → output: raw clips)
   Generate b-roll per shot from the shot prompts, or assemble existing photos and clips. One real case generated b-roll from ad scripts and kept the per-shot generation prompts so any single bad shot could be re-run alone without rebuilding the whole video.
4. Add voiceover and sound (input: raw clips + script → output: assembled cut)
   Write the voiceover copy from the script and synthesize or record it in the target tone, then mix voice, footage, effects, and music together. The idea-to-video case did this as a distinct step: picture, motion, voiceover, and music mixed as one pass.
5. Export and review (input: assembled cut → output: review copy)
   Export a review copy and send it to the human. The deliverable includes the per-shot prompts and a note on "what the second version would change" — so iteration is fast. Review for brand fit, facts, and anything that feels off: in the real case, "where it's awkward only a human can see" was the explicit acceptance criterion.
6. Iterate on scenes, not the whole video (input: review notes → output: final video)
   Re-do only the shots that are bad; leave the good ones alone. One case's agent output the prompt for each shot specifically so a failed scene could be regenerated in isolation. Approve the final cut, then publish — publishing is human.

Output spec

テンプレートのプレビュー

Video Maker — Production Brief Template

One video = one brief. Lock this before any footage is made.

Brief

Subject: {product / idea — one sentence} Audience: {who it's for, e.g. "busy parents 30–45"} Length: {e.g. 30 seconds} Tone: {e.g. warm and practical} Format: {e.g. 16:9, 1080p, MP4}

Source material: [ ] Product photos attached: {count} [ ] Idea description written: {one-liner}

Script & shot list (approve before production)

Script approval: [ ] approved by {me} on {date}

Production checklist

[ ] Footage generated / assembled per shot [ ] Per-shot generation prompts saved (for single-shot re-runs)

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