About copyright and trademark
As a general rule, all contents (texts, photos, illustrations, images, programs, etc.) posted on this site are copyrighted by us, original authors or other rights holders. The trademarks, logo marks and rights related to trade names that are posted on this site belong to us or each rights owner. We can not use these without permission without our permission.
We do not make any warranty on the content of the contents on this site, including accuracy, usefulness, certainty, safety, etc. In the unlikely event that any damage occurs due to the use of the content on this site or the inability to use it, we are not responsible at all.
We may change or delete content or URL on our site without notice. The information posted on this site is information at the time of publication, and it is not necessarily always reflected in the latest information. We are not responsible for any damage caused by these.
We may change site policy without notice. In that case, after the change, the site policy will be applied, so please be forewarned.