Privacy Policy

1. Introduction

Tomohito Ishii (hereinafter "this Site") respects user privacy and is committed to protecting personal information. This Privacy Policy explains what information this Site collects and how it is used.

2. Information We Collect

This Site may collect the following information:

  • Access information (IP address, browser type, access date and time, etc.)
  • Behavioral data such as pages viewed, time spent, and referral sources
  • Device information (device type, OS, screen resolution, etc.)
  • Identification information through cookies and similar technologies

3. Purpose of Use

The collected information is used for the following purposes:

  • Improving the site and enhancing user experience
  • Access analysis and creation of statistical information
  • Measuring the effectiveness of marketing activities
  • Responding to unauthorized access and security threats

4. Use of Analytics and Marketing Tools

This Site uses the following analytics and marketing tools:

Google Analytics 4 (GA4)

An analytics tool provided by Google LLC. It uses cookies to collect user behavioral data and analyze site usage.

For details, please see the Google Privacy Policy.

Google Measurement Protocol

Server-side event measurement is performed for more accurate data collection.

Meta Pixel (Facebook Pixel)

An analytics tool provided by Meta Platforms, Inc. It uses cookies to track user behavior and optimize ad delivery.

For details, please see the Meta Privacy Policy.

Meta Conversions API (CAPI)

Server-side event transmission is performed to complement browser-based measurement.

5. About Cookies

This Site uses the following types of cookies:

  • Essential Cookies: Required to provide basic site functionality
  • Analytics Cookies: Used to analyze site usage and make improvements (e.g., GA4)
  • Marketing Cookies: Used to optimize ad delivery (e.g., Meta Pixel)

You can disable cookies in your browser settings, but some features may not work properly.

6. Disclosure to Third Parties

This Site does not provide collected personal information to third parties except as required by law. However, information is shared with the providers of the above analytics and marketing tools (Google, Meta, etc.) in accordance with their respective privacy policies.

7. Data Retention Period

Collected data is stored only for the period necessary for the purposes of use. The retention period for data collected by GA4 and Meta Pixel follows the policies of each service.

8. User Rights

Users have the following rights:

  • Right to access their personal information
  • Right to request correction or deletion of personal information
  • Right to request restriction of data processing
  • Right to data portability

9. Opt-Out

You can opt out of data collection using the following methods:

10. Changes to This Privacy Policy

This Site may change this Privacy Policy as necessary. The revised Privacy Policy will take effect when posted on this page.

11. Contact

For questions regarding this Privacy Policy, please contact us via the Contact page.

Last updated: January 2025