Privacy Policy

At Lambda, we deeply respect your privacy rights. This Privacy Policy explains how we collect, use, and protect your personal information when you use our website (“the Site”). By using our Site, you agree to the terms laid out in this Privacy Policy.

1. Types of Information We Collect

We collect different types of information about our users, as described below.

• Account Information: When you create an account for our services using Google Authentication, we collect your email, name, and profile picture from your Google account. This information is not publicly visible and can only be accessed by you.


• User Content:We use Google Analytics to collect non-personal information about your use of our Site automatically. This includes details like the browser you use, the pages you visit, and your time spent on each page. This data is used solely to improve our Site and will not be sold to third parties.

2. How We Use Information

We use the information we collect to:
・Provide and improve our services
・Process orders and payments
・Communicate with you Personalize your user experience
・Analyze and improve our Site's functionality.

3. How We Share Information

We may share your personal information with third-party service providers who assist us in providing our services. Your data is also shared with Firestore for storage purposes and managed through Google Authentication. We may disclose your information if required by law or to protect our legal rights.

4. Cookies

We may use cookies and other tracking technologies to understand your interaction with our Site better. You can opt-out of certain types of tracking, but this might affect the functionality of our Site.

5. Data Security

We implement reasonable security measures to protect your personal information from unauthorized access, use, or disclosure. However, please note that no security measures can provide absolute protection.

6. International Data Transfers

If you are a user accessing our service from outside of Japan, your data may be transferred internationally. Please note that countries may have data protection laws different from Japan.

7. User Rights

Depending on applicable laws, you may have the right to access, correct, delete, or transfer your personal data. If you wish to exercise these rights, please contact us.

8. Children's Privacy

Our service is not intended for use by children under 13, and we do not knowingly collect personal information from children under 13.

9. Changes to This Policy

We may occasionally update this Privacy Policy. If any significant changes occur, we will inform you by email or by posting a notice on our Site.

10. Contact Us

If you have any questions or concerns about this Privacy Policy, please contact us.