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 servers in the Tokyo region (AWS ap-northeast-1) 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 (contact@kusasaka.jp)