Those who view and use this website are deemed to have agreed to the conditions stated below.


All content contained on this website is protected under Japanese copyright laws, and it is prohibited to copy content without permission. Please do not copy content without permission from us or the copyright holder.


The accuracy or reliability of the information contained on this website is not guaranteed in any way. Therefore, even if a user or a third party sustains direct or indirect loss or damage as a result of using the information, our consortium assumes no responsibility whatsoever.
In addition, even if a user's or a third party's software or hardware suffers damage or is infected by a virus, or any data are lost or damaged in any way (including further damage triggered by these damages) by using this website or any linked website, our consortium assumes no responsibility whatsoever.
Please note that the content of this website is subject to change without prior notice.

Governing Laws and Competent Court

The usage of this website, and the validity, interpretation and application of this “About this Site” page shall be governed by Japanese laws.
The competent court of first instance regarding all conflicts concerning this website between our consortium and users or third parties shall be the Tokyo District Court.

Handling of Information Contained in Linked Pages

We do not guarantee the reliability, legitimacy, copyright permission, and accuracy of information contained in pages linked from this website.


If you wish to link to this website, please contact us and obtain permission in advance. Your link should be made to our top page ( We reject links from commercial sites and sites that offend public order and morals.

Recommended Environment

This website recommends the browsers listed below to ensure safe and comfortable usage.

  • Microsoft Edge (most recent version)
  • Mozilla Firefox (most recent version)
  • Google Chrome (most recent version)
  • Safari (most recent version)

This website uses cookies to improve convenience, but this website does not identify individuals. Cookies can be disabled in your web browser. Please check the setting method from the help function of the browser.


This website uses SSL (Secure Sockets Layer) to ensure security of personal information. The pages of this website may not be displayed if your web browser does not support SSL, or if you are accessing it from behind a firewall at your office. Please note that you cannot use these pages in such cases.


Some content on this website uses JavaScript to offer you more comfortable usage. Such content may not be displayed or operated properly if JavaScript is not turned on (or activated) in your browser settings.

Plug-in Software

When viewing and printing PDF files, “Adobe Reader” is required.

Concerning management of personal information

Any and all personal information received from our clients and users shall not be used for any other purpose than to respond to said user's inquiries.