San'in Event Map (the Service) respects users’ privacy and handles collected information in accordance with the following policy.

1. Information collected

  • Account information:When you use sign-in, we obtain information such as your display name, email address and profile image through the authentication provider (Google or Apple).
  • Saved data:Events saved while signed in, favorite artists, followed venues, visit records and recommendation settings are stored in the database (Firebase Firestore).
  • Information used for recommendations:We use the areas you optionally select (municipality names), together with the saved items, follows and visit records above, to prioritize events. We do not collect or save exact addresses or home coordinates.
  • Settings on your device:Settings such as the display theme are saved in your browser’s local storage. They are not sent to the operator’s server.
  • Location information:Your current location is used only in the browser to display the map and is not sent to or stored on the operator’s server. Device and browser permission is required.

2. Purposes of use

We use collected information to sync saved data and recommendation settings across devices, prioritize events based on users’ stated preferences, and provide, maintain and improve the Service. We do not use it for personalized advertising.

3. Use of external services

The Service uses Google Firebase (including Authentication, Firestore, Storage and Analytics) for authentication, data storage, analytics and related infrastructure. Information may be sent to these providers as part of that use. See each provider’s privacy policy for details.

4. Analytics

The Service uses Google Analytics (Firebase Analytics) to understand usage and improve the service. Cookies and similar technologies collect information such as page views, approximate region and usage environment (device, browser and so on), but we do not obtain information that personally identifies you through this collection. Collected information is managed under Google’s privacy policy. You can stop collection through browser settings or opt-out methods provided by Google.

5. Cookies and local storage

The Service uses browser local storage and similar mechanisms to retain settings and saved data, and cookies for the analytics described above. You can delete or disable them in your browser settings, but some features may become unavailable.

6. Managing and deleting information

Information stored only in your browser or on your device can be erased by clearing device history or uninstalling the app. To request deletion of your sign-in account and related server data, follow the instructions on Account and data deletion page.

7. Requests for disclosure, correction or deletion

Contact us if you wish to request disclosure or correction of your information. You can request account deletion from within the app or by emailing the address shown on the deletion information page.

8. Changes to this policy

This policy may be changed as necessary without prior notice. Changes take effect when displayed on the Service.

Last revised: 2026-09-03