Privacy Policy

Effective Date: October 18, 2025

Last Updated: October 18, 2025

日本語版 / Japanese version

Note: The Japanese version is the official text. In case of any discrepancy between the Japanese and English versions, the Japanese version shall prevail.

1. Business Operator Information

• Operator: Izuru Matsuura
• Service Name: MIDAS
• Contact: [email protected]

2. Basic Policy

The Service respects User privacy and strives to protect personal information. The Service operates in a browser, and User data is processed only within the User's device.

3. Collection of Personal Information

1. The Service does not collect the following personal information:
   • Contact information such as name, address, phone number, email address
   • Payment information such as credit card information
   • Information that can identify Users
2. The Service collects the following access analytics information for the purpose of service improvement:
   • Page views
   • Referrer URL
   • Country/region information
   • Device type
   • Browser type
   • Access date and time
3. The information in the preceding paragraph is processed in a form that cannot identify individuals and is used only for statistical analysis.

4. Data Processing and Storage

1. All data processed by the Service is processed only within the User's browser and is not sent to the Provider's servers.
2. Files and project data loaded by Users in the Service are stored only in the User's device local storage (IndexedDB/OPFS).
3. The Provider cannot access User data.

5. Use of Access Analytics Tools

1. The Service uses Cloudflare Web Analytics for access analysis.
2. Cloudflare Web Analytics collects access information without using cookies.
3. Collected information is processed in accordance with Cloudflare, Inc.'s Privacy Policy. For details, please see:
   • Cloudflare Privacy Policy: https://www.cloudflare.com/privacypolicy/

6. Provision to Third Parties

1. Files and project data loaded by Users in the Service are processed only within the User's device and are not sent to the Provider's or third-party servers.
2. The access analytics information described in Article 3 is provided to Cloudflare Web Analytics as described in Article 5.
3. User information will not be provided to third parties for purposes other than those described in the preceding paragraph.

7. Data Security

1. Since User data is stored only within the User's device, data security depends on the User's device and browser security settings.
2. Users are responsible for appropriately protecting their devices and browsers.

8. Changes to This Policy

1. The Provider may change this Policy as necessary.
2. Changes to the Policy shall take effect upon publication on the Service.
3. If significant changes are made, the Provider may request renewed agreement to the Privacy Policy on the Service.

9. Contact

For inquiries regarding this Policy, please contact:

• Email address: [email protected]

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By using MIDAS, you acknowledge that you have read and understood this Privacy Policy.