Terms of Service

1. Acceptance

These Terms govern your use of Brain Arena (the “Service”). By using the Service, you agree to these Terms.

2. Registration

• Please provide accurate information and update it promptly if it changes.
• If you are a minor, please obtain consent from a guardian before registering.

3. Prohibited conduct

• Violating laws or public order and morals
• Disrupting or interfering with the Service
• Impersonation or providing false information
• Reverse engineering or unauthorized access

4. Suspension

We may suspend or interrupt the Service without prior notice due to maintenance, force majeure, or other reasons.

5. Disclaimer

• We are not liable for damages arising from use of the Service unless caused by our intent or gross negligence.
• Disputes with third parties are your responsibility and at your expense.

6. Intellectual property

All intellectual property rights related to the Service belong to us or the rightful owners.

7. Changes

We may revise these Terms as needed. Continued use of the Service after changes means you accept the revised Terms.

8. Governing law and jurisdiction

These Terms are governed by the laws of Japan. The Tokyo District Court has exclusive jurisdiction as the court of first instance for disputes arising from the Service.