# 既知のAIクローラー個別指定
User-agent: GPTBot
Disallow: /

User-agent: ChatGPT-User
Disallow: /

User-agent: CCBot
Disallow: /

User-agent: anthropic-ai
Disallow: /

User-agent: Claude-Web
Disallow: /

User-agent: ClaudeBot
Disallow: /

User-agent: PerplexityBot
Disallow: /

User-agent: YouBot
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: Bard
Disallow: /

User-agent: Gemini
Disallow: /

User-agent: facebookexternalhit
Disallow: /

User-agent: Applebot-Extended
Disallow: /

# 主要な検索エンジンは明示的に許可
User-agent: Googlebot
Disallow:

User-agent: Bingbot
Disallow:

User-agent: Slurp
Disallow: 

User-agent: DuckDuckBot
Disallow:

User-agent: Yandex
Disallow: