Privacy Policy

1. Provider

The Ryūei Culture Association ("we") manages your personal information appropriately in the operation of this site (ryueiculture.com). The system is operated by our partner Edo Tokugawa Design Co., Ltd. ("ETD").

2. Information We Collect

• Name and email address (on inquiry or membership application)
• Phone number and affiliation (optional, if provided)
• Membership category and family history details (optional, for Samurai-Lineage Member applicants)
• Access logs (IP address, browser information, etc.)

3. Purpose of Use

• Membership application, consultation, review and communication
• Newsletters, announcements and event invitations
• Responding to inquiries
• Service improvement and statistical analysis (after anonymization)

4. Third-Party Disclosure

We do not share personal information with third parties without your consent, except as required by law.

5. External Services

This site uses Netlify (hosting) and Supabase (data and authentication). Please review each service's privacy policy.

6. Shared Use Across ETD-Operated Services

The system for this site is operated by ETD and runs on a shared authentication infrastructure (Supabase accounts) together with sister services such as Ryūei Bunka Narai (narai.ryueiculture.com) operated by ETD.

Your registered information (name, email, membership category, inquiries, etc.) is managed in common across these related ETD services and is used for guidance and service delivery on each. An account created on one service can be used to access other services operated by ETD.

You may request access, correction, or deletion of shared information through the contact below.

7. Access, Correction & Deletion

To request access, correction, or deletion of your personal data, please use the contact below.

8. Contact

Ryūei Culture Association / Edo Tokugawa Design Co., Ltd.
Email: info@ryueiculture.com / info@edotokugawa.com