Privacy Policy

Relationship Diagram Generator ("this site") respects your privacy and is committed to protecting personal information. This policy explains how information is handled on this site.

1. Information We Collect

1-1. Information Collected Directly

This site does not require user registration. All diagram data (names, relationships, etc.) is stored entirely in your browser's local storage and is never sent to or stored on our servers.

1-2. Automatically Collected Information

For the purpose of improving our service, the following information may be collected automatically:

• Access logs (IP address, browser type, referring URL, etc.)
• Usage data through Google Analytics (page views, time on site, device info, etc.)

2. Use of Cookies

This site uses cookies and similar technologies for the following purposes:

• Analytics: We use Google Analytics 4 to understand site usage and improve our service.
• Advertising: We use Google AdSense to display content-relevant ads. Cookies may be used for ad delivery.

You can choose to decline cookies through your browser settings, though some features may not work properly.

3. About Google Analytics

This site uses "Google Analytics," an analytics tool provided by Google. Google Analytics uses cookies to collect traffic data, but this data is collected anonymously and does not identify individuals.

For more information, please see Google's Policy and Terms.

4. About Advertising

This site uses the third-party advertising service "Google AdSense." Google AdSense may use cookies to display ads based on your interests.

For details and opt-out options, please see Google's Advertising Policies.

5. Data Protection

We take the following measures to protect user data:

• SSL/TLS encryption for secure communication
• Content Security Policy (CSP) headers
• Local data storage only (no server uploads)

6. Third-Party Disclosure

We do not provide personal information to third parties except as required by law.

7. Contact

For questions about this policy, please contact us at:

Email: contact@soukanzu.jp

8. Policy Changes

We may update this policy as needed. Any changes will be posted on this page.

Last updated: March 9, 2026