Privacy Policy

Kabedashi ("the Service") is an AI brainstorming service operated by Ryoya Kobayashi ("the Operator"). This Privacy Policy describes how we handle your personal information.

• Account information (name, email address, profile image)
• Authentication data (Google / GitHub OAuth connection)
• Service usage data (session content, chat history, mind map data)
• Payment information (processed via Stripe; card details are not stored on our servers)
• Access logs (IP address, browser info, access timestamps)

• Providing, operating, and improving the Service
• Managing and authenticating user accounts
• Managing subscriptions and processing payments
• Providing customer support
• Analyzing service usage

We do not share personal information with third parties except:

• With your consent
• As required by law
• With service providers necessary for operation

We use the following external services:

• Stripe — Payment processing (Stripe Privacy Policy)
• Anthropic (Claude API) — AI dialogue features
• Google / GitHub — OAuth authentication
• Vercel — Hosting

Personal information is transmitted via encrypted communication (SSL/TLS) and stored in databases with appropriate security measures. Payment information is managed by Stripe; card details are never stored on our servers.

You have the right to:

• Request disclosure, correction, or deletion of your personal information
• Delete your account (available in Settings)

Please contact koba.jht@gmail.com for any requests.

We use cookies to maintain your authentication state. Disabling cookies may limit some functionality of the Service.

This policy may be updated without prior notice due to legal changes or service updates. We will notify you of significant changes within the Service.

For privacy-related inquiries, please contact koba.jht@gmail.com.