Privacy Policy

Last updated: June 21, 2026

Paper Cruxy (Operating Manager: Yuta Tsunemi, hereinafter "we" or "us") appropriately handles users' personal information in the service "Paper Cruxy" based on the following policy.

1. Information We Collect

Registration information: e-mail address, name (optional), occupation/affiliation (optional), etc.
Payment information: plan and billing history, etc. (card numbers, etc. are processed by the payment agent Stripe; we do not retain card information)
Usage information: access logs, pages viewed, cookies, device/browser information, access analytics data

2. Purpose of Use

Provision of the service, identity verification, billing, and support
Feature improvement, content improvement, and analysis of usage status
Notifications of important notices, changes to terms, etc.

3. Provision to Third Parties / Outsourcing

Except as required by law or in other permitted cases, we will not provide personal information to third parties without the individual's consent. To operate the service, we may outsource operations to external services such as payment processing (Stripe), hosting/delivery (Cloudflare), and access analytics, and we require these contractors to manage information appropriately.

4. Cookies and Access Analysis

This site uses cookies and similar technologies to improve convenience and understand usage. You may disable cookies in your browser settings, but some features may become unavailable as a result.

5. Security Management

We take necessary and appropriate security management measures to prevent unauthorized access to, and leakage of, personal information.

6. Requests for Disclosure, Correction, or Deletion

Users may request disclosure, correction, suspension of use, or deletion of their own personal information. Please contact the address below.

Contact: [email protected]

7. Revisions

This policy may be revised as necessary and takes effect upon posting on this site.

This policy is a template. Please review and adjust the content to match the external services actually used and the items actually collected before publishing. If disclosures required under the Act on the Protection of Personal Information (such as the operator's name and address) are needed, please add them.

This is an English translation provided for convenience. The Japanese version is the authoritative text; if the two differ, the Japanese version prevails.