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Cookie Policy

Cookie Policy for NIHONGO-AI. Explains the types and purposes of cookies used on our site and how to manage them.

What are Cookies

Cookies are small text files that websites store on users' devices.

We use cookies to improve our services and enhance user experience.

Types of Cookies We Use

1. Essential Cookies

These cookies are necessary to provide basic website functionality and cannot be disabled.

  • Login session management
  • Security features
  • Language preference storage

2. Analytics Cookies

We use Google Analytics to analyze website usage.

  • Page view measurement
  • User behavior analysis
  • Data collection for site improvement

About Consent Mode

We use 'Consent Mode' to automatically adjust data collection methods based on cookie consent status:

  • When cookies accepted: Detailed access data collected and personalized experience provided
  • When cookies denied: Only minimal anonymized data collected (IP address anonymized, no personal identification)

※ Even if you deny cookies, anonymous statistical data is collected for site improvement, but you cannot be personally identified.

3. Functional Cookies

These cookies remember user settings and preferences.

  • Theme settings (dark/light mode)
  • Font display settings
  • Other user preferences

2.4 Advertising Cookies

We use Google Adsense to serve advertisements. Advertising cookies are used to display ads based on user interests.

  • Recording ad display and click information
  • Analyzing user interests (when consented)
  • Measuring advertising effectiveness

Personalized Advertising and Consent Management

Ad serving methods differ based on cookie consent status:

  • When accepted: Personalized ads based on your interests
  • When denied: Non-personalized ads based on content

※ Even if you deny cookies, ads will still be displayed, but they may not be related to your interests.

Third-Party Services

Google Analytics

We use Google Analytics to analyze site traffic. Please refer to the following link for Google Analytics privacy policy.Google Privacy Policy

Stripe

We use Stripe for payment processing, and Stripe cookies may be used during transactions. Please refer to Stripe's privacy policy for details.Stripe Privacy Policy

Google Adsense

This site uses Google Adsense to deliver advertisements. Cookies are used for ad delivery and may display ads based on users' interests. Please refer to the following link for Google's advertising policies and privacy policy.Google Advertising Policies

Vercel Analytics

We use the performance analytics features of Vercel, our hosting platform. Please refer to Vercel's privacy policy for details.Vercel Privacy Policy

Cookie Management

Disabling in Browser

You can disable cookies in your browser settings, but please note that some features of the site may not function properly if you do so.

Google Analytics Opt-out

If you wish to disable data collection by Google Analytics, please install the Google Analytics Opt-out Browser Add-on.Google Analytics Opt-out Browser Add-on

Google Ad Settings

You can disable personalized ads or customize ad preferences from Google's ad settings page.Google Ad Settings Page

Use of Local Storage

In addition to cookies, this site uses browser localStorage and sessionStorage.

  • Saving theme settings (dark/light mode)
  • Saving font display settings
  • Recording cookie consent status
  • Usage cache

This data is not transmitted to third parties and can be viewed or deleted from your browser's developer tools.

Contact

If you have any questions about cookie usage, please contact us at nihongo.ai.office@gmail.com.

Last Updated: 2026-03-25

Operator: 山下夏輝 (NIHONGO-AI)