Privacy Policy

1. Definitions

• "Personal Information" means information about a living individual that can identify the person by name, date of birth, or similar descriptions, or that contains a personal identification code.
• "Personal Data" means personal information that constitutes a personal information database.
• "User" means any person who browses or uses the Site.
• "Cookie" means a small text file (identifier) that the website sends to your browser and stores on your device.

2. Information We Collect

2.1 Information You Provide

When you contact us via Google Forms, we may collect:

• Email address
• Name (optional)
• Inquiry content

2.2 Automatically Collected Information

When you access the Site, the following may be collected automatically through server logs, cookies, and ad-serving tags:

• IP address
• Browser type, version, and language
• Operating system, device information
• Referring URL
• Access date, time, and session duration
• Pages viewed, links clicked
• Approximate location (country / region inferred from IP)

As a rule, this data is not used to identify specific individuals. However, where multiple data points combine to identify a person, we treat the data as personal information.

3. Purpose of Use

We use collected information for the following purposes, in accordance with Article 18 of Japan's APPI:

• Responding to inquiries and communications
• Improving our services and content
• Analyzing site usage to enhance user experience
• Optimizing ad delivery (only with consent)
• Preventing unauthorized access and abuse, and security management
• Compliance with legal requirements

4. Cookie Consent / Google Consent Mode v2

The Site implements a consent banner compatible with Google Consent Mode v2. On your first visit, you will see a banner where you can:

• Accept: Cookies for analytics and advertising are enabled, allowing personalized ads and detailed analytics
• Reject: Personalized advertising and detailed analytics are paused; only data essential for basic site delivery is processed

Your consent choice is stored in your browser's local storage. To withdraw or change consent, clear your browser cache or local storage. Refer to your browser's help for details.

5. Google Analytics

The Site uses Google Analytics (GA4), a web analytics service provided by Google LLC. Google Analytics uses cookies and similar technologies to gather information about site usage.

• IP addresses are subject to anonymization, and the data collected does not identify specific individuals
• Data is sent to Google servers (US, EU, etc.) and managed under Google's privacy policy
• To opt out of Google Analytics, use the Google Analytics Opt-out Add-on, or select "Reject" in our consent banner

For Google's privacy practices, see Google's Privacy Policy.

6. Advertising Services

6.1 Google AdSense

The Site uses Google AdSense, an advertising service provided by Google LLC. AdSense may use cookies and advertising IDs to display ads tailored to your interests.

• Google may serve personalized ads based on your visits to this and other websites
• You can opt out of personalized advertising by visiting Google's Ad Settings
• For third-party-vendor cookies, opt-out tools are available at aboutads.info
• For more information, see Google's advertising policies

6.2 Affiliate Programs

The Site participates in the Amazon Associates Program and other affiliate programs.

• Affiliate clicks may be tracked via cookies for attribution purposes
• When you make a qualifying purchase through an affiliate link, we may receive a referral fee
• Personal data handled by each affiliate program is governed by that program's privacy policy
• Affiliate links carry "Ad," "PR," or "Contains affiliate links" labels (in compliance with Japan's Act against Unjustifiable Premiums and Misleading Representations and the Consumer Affairs Agency's guidelines)

7. Third-Party Disclosure

In accordance with Article 27 of Japan's APPI, we will not disclose personal information to third parties without your consent, except in the following cases:

• When required by law
• When necessary to protect life, body, or property, and consent is difficult to obtain
• When necessary for public health or sound development of children, and consent is difficult to obtain
• When cooperating with government agencies performing statutory duties
• When entrusting personal-information handling to service providers (Google Analytics, Google AdSense, Google Forms) within the scope necessary to achieve the purpose of use

8. Your Rights

Under Japan's APPI, GDPR, and CCPA, you have the following rights:

• Right of disclosure (APPI Art. 33): Request disclosure of personal data we hold
• Right to correction / addition / deletion (APPI Art. 34): Request correction of inaccurate data
• Right to suspension of use / erasure (APPI Art. 35): Request cessation of use or erasure where personal data is used outside the stated purpose
• Right to suspension of third-party provision (APPI Art. 35)
• Right to data portability (GDPR Art. 20): EU/UK residents may receive their data in a structured format
• Right to opt out of sale / sharing (CCPA): California residents may exercise the "Do Not Sell or Share My Personal Information" right

To exercise these rights, contact us via our Contact Form. After identity verification, we will respond within the period required by law (without delay under APPI; within one month as a rule under GDPR).

9. Security Measures

In accordance with Article 23 of Japan's APPI, we implement the following measures to prevent leakage, loss, or damage of personal data:

• Organizational measures: Designated privacy officer and management framework
• Technical measures: SSL/TLS encryption, access controls, Content Security Policy (CSP), and protection against unauthorized access
• Physical measures: Proper management of equipment and storage media handling personal information
• Personnel measures: Training and awareness regarding proper handling of personal information

10. External Services

We use the following external services. Please review each provider's privacy policy:

• Google Forms — Contact form (Google's privacy policy applies)
• Google Analytics (GA4) — Site analytics (Google's privacy policy applies)
• Google AdSense — Advertising delivery (Google's privacy policy applies)
• Google Fonts — Web font delivery (IP address is sent to Google when fonts are fetched)
• Vercel / Netlify (hosting) — Site delivery; access logs are processed by the hosting provider

11. Minors

We do not intentionally collect personal information from individuals under 18. If you are under 18 and wish to contact us, please obtain parental consent. If we discover that personal information of a minor has been collected without parental consent, we will delete it promptly.

12. Changes to This Policy

We may update this Privacy Policy due to legal changes, operational needs, or other reasons. Significant changes will be announced on the Site. The updated policy becomes effective when posted.

13. Contact

For inquiries about this Privacy Policy or to exercise your rights regarding personal data:

14. Governing Law

This Privacy Policy is governed by and construed in accordance with the laws of Japan. The GDPR (and UK GDPR) and CCPA may apply additionally for residents of those jurisdictions.