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site policy

  1. All information (text, photographs, illustrations, etc.) published on this website is subject to copyright. Additionally, this entire website is subject to copyright as an edited work, and both are protected by the copyright laws of each country and international treaties.

  2. All or part of the contents of this website may be quoted, reprinted, or reproduced for personal use or as an act permitted by copyright law, such as quotation, by clearly indicating the source in an appropriate manner. However, this does not apply if there is a note such as "Unauthorized reproduction prohibited".

  3. All or part of the contents of this website may not be altered without permission.

  1. When posting information on this website, we make every effort to ensure the accuracy of the information, but it may contain technically or legally incomplete descriptions or typographical errors. We are not responsible for any actions taken by users using the information on this website.

  2. We are not responsible for any damage caused to users due to the maintenance of this website, fire, power outage, other natural disasters, or force majeure such as viruses or interference by third parties. Please note that we cannot be held responsible for

  3. The download and installation of browser software and various tools must be done at the user's own risk. We are not responsible for any damages or problem solving for any failures or troubles that occur during download and installation.

As a general rule, you are free to link to this website, so there is no need to contact us if you wish to link. However, please note that we may ask you to delete the link if the intent of abuse is obvious or the content of the link source violates the law or public order and morals.


Please refrain from displaying this website in a frame as it may cause misunderstanding.

The contents of this website may be changed or deleted without notice. Please note.

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