Site Policy
We describe the precautions for use on this page.
Recommended OS/Browser
In order to use the site comfortably, Our company made sure that the appearance of the site did not collapse or information was lost depending on the environment in which they were used. However, some old browsers may display a different design from this site. By using a newer browser as much as possible, you will be able to use our services more reliably.
About plugins
Some content uses PDFs, etc.
You can use these contents by installing the following plug-in software. If you do not have the plug-in software, you can download it from the following sites.
Adobe Acrobat Reader: Software to display PDF files
Download it here
About JavaScript
Some services on this site use JavaScript.
When using this service, please turn on JavaScript settings in your browser.
About copyrights
Articles, photographs, illustrations, videos, and other works posted on this website are protected by copyright under the Japanese copyright law and international treaties such as the Berne Convention.
About the links
In principle, linking is free as long as it is not for commercial purposes and meets certain conditions, such as linking without frames.
About cookies
Text files sent as cookies do not contain information that identifies individuals.
Our company have established a “Privacy Policy”