Privacy policy

Who we are

Our website address is:

What personal data we collect and why we collect it


When visitors leave comments on the site we collect the data shown in the comments form, and also the visitor’s IP address and browser user agent string to help spam detection.

An anonymized string created from your email address (also called a hash) may be provided to the Gravatar service to see if you are using it. The Gravatar service privacy policy is available here: After approval of your comment, your profile picture is visible to the public in the context of your comment.


If you upload images to the website, you should avoid uploading images with embedded location data (EXIF GPS) included. Visitors to the website can download and extract any location data from images on the website.

Contact forms

The inquiry form on this site takes all possible security measures to ensure the accuracy and security of personal information.

The administrator of this site will properly manage personal information obtained from users.


If you leave a comment on our site you may opt-in to saving your name, email address and website in cookies. These are for your convenience so that you do not have to fill in your details again when you leave another comment. These cookies will last for one year.

If you have an account and you log in to this site, we will set a temporary cookie to determine if your browser accepts cookies. This cookie contains no personal data and is discarded when you close your browser.

When you log in, we will also set up several cookies to save your login information and your screen display choices. Login cookies last for two days, and screen options cookies last for a year. If you select “Remember Me”, your login will persist for two weeks. If you log out of your account, the login cookies will be removed.

If you edit or publish an article, an additional cookie will be saved in your browser. This cookie includes no personal data and simply indicates the post ID of the article you just edited. It expires after 1 day.

Embedded content from other websites

Articles on this site may include embedded content (e.g. videos, images, articles, etc.). Embedded content from other websites behaves in the exact same way as if the visitor has visited the other website.

These websites may collect data about you, use cookies, embed additional third-party tracking, and monitor your interaction with that embedded content, including tracing your interaction with the embedded content if you have an account and are logged in to that website.


We use Google analytics to record information about the pages a user has seen, for example the URL of the page, time of day, device used, etc. The information that we collect anonymized and sent to Google Analytics for analysis.

Google Analytics mainly uses first-party cookies to report on visitor interactions on this website. Users may disable cookies or delete any individual cookie. Learn more

In addition, Google Analytics supports an optional browser add-on that – once installed and enabled – disables measurement by Google Analytics for any site a user visits. Note that this add-on only disables Google Analytics measurement.

Google Analytics also collects Internet Protocol (IP) addresses to provide and protect the security of the service, and to give website owners a sense of which country, state, or city in the world their users come from (also known as “IP geolocation”).

See this page for Google Analytics security and usage of data.

Our site is participating in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to

Who we share your data with

Service Providers and others who help with our business operations and assist in the delivery of our products and services including, but not limited to, application development, site hosting, maintenance, data analysis, infrastructure provision, IT services, customer service, email delivery services, payment processing, marketing, analytics, and enforcement of our Terms of Service Agreement and other agreements;

Other users of the site to identify you to anyone to whom you send messages or make comments through the Services;

Persons or entities with whom you consent to have your Personal Data shared;

Third parties in order to prevent damage to our property (tangible and intangible), for safety reasons, or to collect amounts owed to us;

Merchants and payment processors; and

Third parties as we believe necessary or appropriate, in any manner permitted under applicable law, including laws outside your country of residence to: comply with legal process; respond to requests from public and government authorities, including public and government authorities outside your country of residence; enforce our Terms of Service Agreement and other agreements; protect our operations; protect our rights, privacy, safety or property, and/or that of our affiliates, you, or others; and allow us to pursue available remedies or limit the damages that we may sustain.

We will never sell, rent, or lease your Personal Data to a third party.

How long we retain your data

If you leave a comment, the comment and its metadata are retained indefinitely. This is so we can recognize and approve any follow-up comments automatically instead of holding them in a moderation queue.

For users that register on our website (if any), we also store the personal information they provide in their user profile. All users can see, edit, or delete their personal information at any time (except they cannot change their username). Website administrators can also see and edit that information.

What rights you have over your data

If you have an account on this site, or have left comments, you can request to receive an exported file of the personal data we hold about you, including any data you have provided to us. You can also request that we erase any personal data we hold about you. This does not include any data we are obliged to keep for administrative, legal, or security purposes.

Where we send your data

Visitor comments may be checked through an automated spam detection service.

Your contact information

In accordance with the personal information protection policy, this site deals with user’s personal information in the following way.

  1. Scope of handling of personal information

    The handling of personal information is applied when the user is using the service of this site.
    If you are under the age of 16 is using the service of this site, please be sure to obtain permission from the parent.

  2. Purpose of using personal information

    • To answer the e-mail sent from the inquiry form.
    • Market research to better serve your offer, for other research studies.

    Except for cases based on the provisions of laws and regulations or when we have received user’s consent separately, we will not use for purposes other than those stated above.

  3. Provision of personal information to third parties

    This site does not provide personal information to a third party without obtaining the consent of the user him / herself. However, personal information may be provided for the following usage.

    Use based on laws and regulations

    When this site is requested to disclose personal information from court, administrative agency, regulatory authority or other public institution, we may respond to such request under Japanese law.

  4. About personal information to keep

    If there is falsehood, shortage or deficiency in the content of personal information, it may not be possible for the service to be performed normally, so please be aware of it in advance.

Additional information

  1. About the security of this site

    On this site, personal information we collected will be safely stored on a server protected by a firewall etc, and we will endeavor to prevent unauthorized access, loss or leakage. In addition, on this site homepage, encryption communication technology called SSL (Secure Sockets Layer) is used when transmitting and receiving personal information entered by the user through the Internet, and it becomes full SSL. You can use it with confidence.

  2. About access log

    On the website of this site, the information of the accessed person is recorded in the form of an access log. The access log includes the date and time of access of the person who accessed, the domain name and IP address, the type of browser used, but does not include information that can identify individuals. The access log is utilized to make the content of the product and service more comprehensive, statistical analysis about the usage situation, and it will not be used for other purposes.

  3. About links with other sites

    If the link from this homepage to another homepage is established, this site is not responsible for the handling of personal information of each homepage. It is recommended that you confirm the handling etc. of personal information of each homepage.