Privacy Policy

Article 1 (Personal Information)

"Personal Information" refers to "personal information" as defined in the Personal Information Protection Act, which includes information about living individuals that can identify specific individuals through names, dates of birth, addresses, telephone numbers, contact information, and other descriptions contained in such information, as well as data such as appearance, fingerprints, and voiceprints, and information that can identify specific individuals from the information alone, such as health insurance card insurer numbers (personal identification information).

Article 2 (Methods of Collecting Personal Information)

The Service may collect information through the following methods:

• User settings data stored in local storage (such as participant lists)
• Cookies and access logs (IP address, browser type, access date and time, etc.)
• Information from contact forms (optional)

Note that the Service does not require account registration or login, and therefore generally does not collect information that can identify individuals.

Article 3 (Purpose of Collecting and Using Personal Information)

The purposes for which the Service collects and uses information are as follows:

1. To provide and operate the Service
2. To save user settings and data (local storage)
3. To respond to inquiries from users
4. For service improvement and usage analysis
5. For purposes incidental to the above purposes of use

Article 4 (Change of Purpose of Use)

The Service shall change the purpose of use of information only when it is reasonably recognized that the purpose of use is related to the purpose before the change.

If the purpose of use is changed, the changed purpose shall be announced on this website.

Article 5 (Provision of Personal Information to Third Parties)

The Service will not provide personal information to third parties without the prior consent of users, except in the following cases:

1. When required by law
2. When necessary for the protection of the life, body, or property of an individual
3. When particularly necessary for improving public health or promoting the sound growth of children
4. When it is necessary to cooperate with a national institution, local government, or person entrusted by them in performing affairs prescribed by laws and regulations

Article 6 (Data Storage)

In the Service, settings data such as participant lists are stored in the user's browser's local storage. This data is not sent to servers and is managed only on the user's device.

This data may be deleted depending on browser settings or cache clearing.

Article 7 (Use of Google Analytics)

The Service uses Google Analytics (GA4) for service improvement. The data collected is anonymized and cannot identify individuals.

Information collected includes page views, time spent, devices used, regional information, etc.

Data collected by Google Analytics is managed according to Google's privacy policy. For details, please see the Google Privacy Policy and Google's Policies and Terms.

Article 8 (About Cookies)

The Service uses Cookies for the following purposes:

• Saving user settings
• Access analysis by Google Analytics
• Ad delivery (may be introduced in the future)

If ads are displayed in the future, advertising delivery services such as Google AdSense may be used. These services may use Cookies to deliver personalized ads based on user interests.

You can disable Cookies in your browser settings, but some service functions may not be available.

Article 9 (Changes to Privacy Policy)

The contents of this Policy may be changed without notice to users, except as otherwise provided by law or in this Policy.

The changed Privacy Policy shall become effective from the time it is posted on this website.

Article 10 (Contact)

For inquiries regarding this Policy, please contact us via the contact page.