This website

This website is operated by PST Inc.
The following is an explanation of what we would like you to understand and refer to before using this website.


The documents, images, illustrations, movies, software, etc. (hereinafter referred to as the “contents”) on this website are protected by the copyright owned by PST and its affiliates (hereinafter collectively referred to as “our company”) or by third parties.
Our company shall not grant any consent to copyright, patent rights, trademark rights, or any other rights of our company or any third party with respect to the content on this website, nor shall we make any guarantees with respect to the content on this website.


Please note that our company may change or abolish the information posted on this website at any time without prior notice.
Our company shall not assume any obligation or promise to update the information posted on this website. Please note that any information on this website may not always reflect the latest information.
Our company pays careful attention when posting information on this website, but we shall not guarantee the accuracy, reliability, or completeness of such information, for example, as to whether the information is accurate, useful, or updated at appropriate timing.
Our company shall not assume any responsibility for any damages incurred by you based on the information (including data) you obtain from this website.

System requirements

The following browsers are recommended for optimal viewing and use of this website.

For Windows

The latest versions of Microsoft Edge, Google Chrome, and Mozilla Firefox

For Mac

The latest versions of Google Chrome, Mozilla Firefox, and Safari

For Smartphones

The latest version of Safari
The latest version of Google Chrome

About JavaScript

This website uses JavaScript in some parts. If JavaScript is disabled in your browser, the website may not function or display properly. Please enable JavaScript in your browser settings to view this website.