Privacy Policy

1. Data Collected

We collect the following information:

• Email address and password (at account registration)
• Profile information (display name, avatar image)
• Service usage data such as teams, events, attendance, and dues
• Payment information (credit card details are managed by Stripe and are not stored by this service)
• Access logs and error logs

2. Purpose of Use

• Providing, operating, and improving the Service
• Identity verification and authentication
• Responding to inquiries
• Preventing unauthorized use
• Processing payments

3. Third Parties

We do not provide personal information to third parties except in the following cases:

• When required by law
• When necessary to protect life or property

We use the following third-party services to operate the Service:

• Supabase (database and authentication)
• Stripe (payment processing)
• Sentry (error monitoring)

4. Security

Data is stored on Supabase (United States) servers with appropriate security measures in place.

5. Contact

For requests regarding disclosure, correction, or deletion of your information, please contact us at the email address below.

Kizuna Lab (contact@kusasaka.jp)