banner-creator
Design各種SNS・広告プラットフォーム向けのバナー/クリエイティブを生成するスキル。 X, Facebook, Instagram, PRTimes, YouTube, LINE, Web広告に対応。 「バナーを作って」「広告画像を生成」「SNS用の画像」「クリエイティブ制作」等のリクエストで発動。
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Banner Creator - 広告バナー/クリエイティブ生成
各種SNS・広告プラットフォーム向けのバナー/クリエイティブを生成します。
機能
- プラットフォーム別プリセット: X, Facebook, Instagram, PRタイムズ, YouTube, LINE, Web広告
- トーン・スタイル設定: プロフェッショナル、ポップ、エレガントなど
- 参考画像検索: キーワードからWeb検索で参考画像を取得
- コピーテキスト生成: 投稿文・ハッシュタグ・CTAを同時生成
プラットフォーム別サイズ
| Platform | Size | Aspect Ratio |
|---|---|---|
| x_post | 1200x675 | 16:9 |
| x_card | 800x418 | 1.91:1 |
| 1200x630 | 1.91:1 | |
| facebook_story | 1080x1920 | 9:16 |
| instagram_feed | 1080x1080 | 1:1 |
| instagram_story | 1080x1920 | 9:16 |
| prtimes | 1200x630 | 1.91:1 |
| youtube | 1280x720 | 16:9 |
| line | 1040x1040 | 1:1 |
| web_horizontal | 1200x628 | 1.91:1 |
| web_vertical | 300x600 | 1:2 |
Usage
# Basic usage
python scripts/banner_creator.py --platform x_post --message "キャッチコピー"
# With copy text generation
python scripts/banner_creator.py --platform instagram_feed --message "新商品発売" --with-copy
# With reference image search
python scripts/banner_creator.py --platform facebook --message "セール" --search-ref "EC セール バナー"
# Full options
python scripts/banner_creator.py \
--platform x_post \
--message "メインメッセージ" \
--sub-copy "サブコピー" \
--cta "今すぐ登録" \
--tone professional \
--color-scheme cool \
--font-style bold \
--priority ctr \
--brand-name "会社名" \
--session "campaign_name" \
--with-copy \
--variants 3
Parameters
| Parameter | Required | Default | Description |
|---|---|---|---|
| --platform | Yes | - | Target platform (see table above) |
| --message | Yes | - | Main headline/catchphrase |
| --sub-copy | No | - | Sub-headline or details |
| --cta | No | - | Call-to-action text |
| --tone | No | professional | Tone: professional, casual, pop, elegant, urgent, minimal, tech, natural |
| --color-scheme | No | auto | Color: warm, cool, mono, pastel, vivid, dark, or HEX code |
| --font-style | No | auto | Font: gothic, mincho, handwritten, bold, script, geometric |
| --priority | No | ctr | Focus: ctr, brand, info, emotion, product, event |
| --brand-name | No | - | Brand/company name to display |
| --reference | No | - | Local path or URL to reference image |
| --search-ref | No | - | Keywords to search for reference images |
| --session | No | - | Session name for organizing output |
| --with-copy | No | false | Generate copy text along with image |
| --variants | No | 1 | Number of variations to generate |
| --output | No | auto | Output file path |
Output
- Image:
docs/generated/banners/{date}_{session}/{filename}.png - Copy text (when --with-copy): Saved as
{filename}_copy.md- 3 post text variations
- Hashtag suggestions
- CTA phrases
Examples
X Post Banner
python scripts/banner_creator.py \
--platform x_post \
--message "AI時代の働き方改革" \
--sub-copy "無料ウェビナー開催" \
--cta "今すぐ登録" \
--tone professional \
--with-copy
Instagram Feed with Reference Search
python scripts/banner_creator.py \
--platform instagram_feed \
--message "Summer Collection" \
--tone pop \
--color-scheme vivid \
--search-ref "fashion summer sale instagram"
PRTimes Press Release Image
python scripts/banner_creator.py \
--platform prtimes \
--message "新サービスリリースのお知らせ" \
--brand-name "株式会社〇〇" \
--tone professional \
--priority info
Requirements
- GEMINI_API_KEY or GOOGLE_API_KEY in environment
- Python packages: google-genai, Pillow, python-dotenv, requests
Overview
各種SNS・広告プラットフォーム（X, Facebook, Instagram, PRTimes, YouTube, LINE, Web広告）向けのバナー/クリエイティブを、Gemini Image Generation APIで自動生成するスキルです。プラットフォーム別プリセット、参考画像検索、コピーテキスト同時生成に対応。
Troubleshooting
| エラー | 解決方法 |
|---|---|
| API key not found | GEMINI_API_KEY または GOOGLE_API_KEY を環境変数に設定 |
| Image generation failed | Gemini API のレート制限の可能性。数秒待ってリトライ |
| Unknown platform | --platform に正しいプリセット名を指定（x_post, instagram_feed 等） |
Success Criteria
- 指定プラットフォームの正しいサイズで画像が生成されている
- 出力ファイルが
docs/generated/banners/以下に保存されている -
--with-copy指定時にコピーテキスト.mdファイルも生成されている