- About Cookie
"Cookie" is a mechanism to save information sent and received between Internet browsing software (browser) and server as a small file on your own computer. By using cookies, our web server can identify your computer, but we use it to help you use our services efficiently.

In addition, about preservation of cookie, it is possible to refuse by setting of browser. Please note that some features on this site may be restricted if you have configured denial settings.

In addition, we use cookies and use behavioral targeting advertising services provided by the following companies for the optimal ad delivery to customers. If you want to disable this service, please visit the company page and follow the instructions.

Google Corporation
It can be set from the following sites.
http://www.google.com/intl/en/policies/privacy/ads/

Yahoo Japan Corporation
It can be set from the following sites.
http://btoptout.yahoo.co.jp/optout/index.html

Facebook Ltd.
It can be set from the following sites.
https://www.facebook.com/ads/website_custom_audiences/

Twitter, Inc.
It can be set from the following sites.
https://support.twitter.com/articles/20171553