Terms of service

This website is operated by ST.R & K (hereinafter referred to as "our company"). Prior to the use of this website, please read the following terms and use only if you agree with these conditions. If you use this website, please note that all conditions are considered. In addition, we may change the terms of use of this website without notice, so please check the latest contents.

About copyright / trademark

We belong to the Company unless the copyright, trademark, trademark rights, and other intellectual property rights listed on this website are not specified. It is prohibited to modify or duplicate some of these or all of these or duplicates, exceeding the range clearly permitted by private use or other laws, without obtaining the consent of the Company in advance. To do.

About publication information

We pay close attention to posting information on this website, but we do not guarantee the accuracy, validity, compatibility and safety of the content. We may change or delete the contents of the publication without notice. In addition, the operation of the website itself may be interrupted or canceled.

Prohibited matter

The following actions are prohibited when using this website.

An act that infringes or infringes the property or privacy of a third party or the Company.
An act that causes a disadvantage or damage to a third party or a company, or a certain act.
An act of damaging a third party or the Company's honor or trust.
An act that is contrary to public order and morals or an act of it.
A criminal act or a crime or an act that has it.
An act of making false declarations and notifications, such as registering an email address of another person.
Acts aimed at sales or profit, or for the purpose of preparing.
Acts that use or provide harmful programs such as computer viruses, or that act.
Other acts that violate laws, laws or regulations or ordinances, or acts.
Other acts that we judge that we are inappropriate.


The use of this website will be held at your responsibility. We are not responsible for the direct and indirect losses or damage that occurred during this website.

Link to this website

Links to this website are in principle freely. There is no need to contact us when linking. However, depending on the content of the linked website and the method of links, the link may be eliminated. In addition, links from the following website are strictly refused.

Websites that include the content created with the intention of slandering our company or other companies or third parties, or reducing their trust
Website created with the intention of infringing intellectual property rights such as the copyright of the Company, other companies or third parties, and trademark rights
A website aimed at using a link to this website to perform commercial activities (providing information on this website for a fee, etc.)

Recommended environment

Web browser

If you look at this website, we recommend that you visit Google Chrome, Apple Safari, Microsoft Edge, Firefox, Apple Safari for iOS, and Google Chrome for Android. Depending on the setting of the web browser, it may not be available or not displayed correctly depending on the usage other than the recommended environment or in the recommended environment.
We recommend that you download and see the latest browser.


This website has content that uses JavaScript.
If your browser is disabled, it may not work correctly (not displayed correctly). To use all content, we recommend that you enable JavaScript in the browser settings.