Terms of use

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This site is managed by PST Corporation

When using this site, We will explain what you would like to understand in advance and what you would like to refer to.


Documents, photographs, illustrations, movies, software etc. (hereinafter referred to as contents) on this site are protected by copyright owned by PST and its affiliates (hereinafter collectively referred to as "Company") or third parties It has been.
We do not accept any copyright, patent right, trademark right or any other rights of the Company or the third party with respect to the content on this site, nor does it guarantee any content on the contents of this site .


We may change or abolish the information posted on this site without prior notice, so please be aware in advance.
We are not obligated to update the information posted on this site, nor is it promised. Please be advised that any information on this site will not always be reflected in the latest information.
Although we pay close attention to posting information on this site, we are not responsible for the accuracy, reliability and completeness of these information, eg whether the content of the information is accurate, useful It is not a guarantee at all whether it is a thing or not, whether the renewal time is appropriate or not.

We are not responsible for any damages suffered by you based on information (including data) obtained from this site.

Usage environment

We recommend the following browsers for comfortable browsing and use of this site.

When using Windows (Windows 7, Windows 8, Windows 10)
  • Microsoft Internet Explorer 9.0 or higher
  • Mozilla Firefox latest version
  • Google Chrome latest version
When using Macintosh(Mac OS X 10.6 or higher)
  • Safari 5.0 or higher

About JavaScript

In this website, some JavaScript is used. If JavaScript function is disabled in your browser, it may not function correctly or may not be displayed properly. Please make JavaScript effective in the browser setting when you watch.

About the plugins

This website uses the following plug-in. Those who are not installed, please download from the following.

Adobe Reader is necessary to view PDF format files.
If you do not have Adobe Reader, download it from the icon on the right.

Download adobereader

Please contact us from the "Contact".

On the check, please contact us to "Frequently Asked Questions".