Privacy policy

If you have any questions about our privacy policy, please contact us using the "Contact Form". Sorry Japanese only.

Access analysis

This site has introduced access analysis and automatically acquires user information (IP address, host, access date and time, browser environment, etc.).

These log information is used only for access analysis of this site, and raw log information other than statistical data will not be disclosed to third parties.

Google adsense

This site serves Google Adsense ads. For this reason, we may use cookies and web beacons to collect data during the ad serving process. In addition, we may use information related to access to this site and other sites (name, address, email address, telephone number are not included) in order to display advertisements for products and services according to the user's interests.

If you do not want to send data to a third party, please disable the cookie function of your browser and access it. For more information, see Google's official privacy policy

Showing ads that are of interest to users

In addition, this site delivers advertisements that are of interest to users according to the browsing status of web pages. For Google Adsense You can turn off this feature from Google Ads Display Settings


We strive to post the correct information as much as possible regarding the content and information on this site, but there is a possibility that incorrect information may be included or the information may become out of date.

We are not responsible for any damages caused by the contents posted on this site. In addition, if you move from this site to another site through links or banners, we will not take any responsibility for the information and services provided on that site.

Privacy changes and deletions

Basically, we accept changes and deletions of personal information collected on this site. We will change or delete your personal information as soon as you contact us, but in that case, we will verify your identity.

Privacy policy changes

The privacy policy of this site is subject to change without notice.