Privacy Policy

Rebounder Co., Ltd. ("the Company") regards the protection of customers' personal information as an important responsibility, and establishes the following privacy policy to manage and protect such information appropriately.

1. Definition of Personal Information

Personal information refers to information that can identify a specific individual, such as name, address, telephone number, and email address.

2. Information We Collect

The Company collects the following information through this website.

• Contact form: name, company name, email address, telephone number, and message
• Cookies and similar information for access analytics (Section 5)
• When a guide link on this site (starting with rebounder.jp/r/) is clicked: the date and time, browser type, and referring page (IP addresses are not recorded)

3. Purposes of Use

Collected personal information is used for the following purposes.

• Responding to inquiries and contacting you
• Providing information about our services
• Performing contracts and conducting business
• Improving and developing our services (through statistical processing)

4. Provision to Third Parties and Outsourcing

The Company does not provide personal information to third parties without the individual's consent, except as required by law.

The Company outsources the handling of personal information to the following providers to the extent necessary for its business, and supervises them to maintain security equivalent to the Company's own. When outsourcing to providers located outside Japan, the Company understands the personal information protection systems of the relevant country and confirms that the provider has taken the necessary measures.

• Hosting: Vercel Inc. (United States), Supabase Inc.
• Sending inquiry emails: Resend (United States)
• Access analytics: Google LLC (United States)

5. Cookies and Access Analytics (External Transmission of User Information)

This website uses Google Analytics provided by Google LLC to understand how the site is used. Information such as the pages viewed, date and time, browser type, approximate region, and cookie identifiers is sent to Google LLC and used for statistical analysis to improve this website.

You can disable data collection by Google Analytics with the Google Analytics Opt-out Browser Add-on (https://tools.google.com/dlpage/gaoptout). For how Google handles information, see Google's Privacy Policy (https://policies.google.com/privacy).

6. Privacy Policies of Individual Services

For the following services provided by the Company, each service's own privacy policy takes precedence over this policy.

• KimiTerrace: https://www.school-signage.net/privacy
• Form Kaeru: https://formkaeru.rebounder.jp/privacy
• Tech blog (including advertising and affiliate programs): https://tech.rebounder.jp/privacy/

7. Security of Personal Information

The Company takes appropriate security measures, such as limiting who can access personal information and encrypting communications (HTTPS), to prevent leakage, loss, or damage.

8. Disclosure, Correction, and Deletion

When an individual requests notification of the purpose of use, disclosure, correction, addition, deletion, suspension of use, erasure, or cessation of provision to third parties of their personal information, the Company will respond without delay after verifying the individual's identity.

9. Contact

For inquiries regarding the handling of personal information, please contact:

Rebounder Co., Ltd. (Representative Director: Kaito Okumura)

Address: 6-25-14 Hongo, Bunkyo-ku, Tokyo

Email: info@rebounder.jp

10. Changes to This Policy

The Company may change this policy as necessary. The revised policy takes effect when it is published on this page.

Established: February 20, 2026 / Revised: September 30, 2026
Rebounder Co., Ltd. — Representative Director, Kaito Okumura