Privacy Policy

1. Information We Collect

The Site may collect the following information.

1-1. Information You Provide

• Email address, and the date and time of your choice, when you choose to receive our newsletter on the Shikisai 101 member registration screen, or when you subscribed via the newsletter form before that
• Areas of interest you optionally provide for the newsletter (on the member page), and the age group optionally provided after subscribing via the former newsletter form
• Name, email address, and message content provided when contacting us
• Responses to on-site surveys (answers about color, free-text comments, and optionally provided gender and age group)
• Information provided when registering for or signing in to Shikisai 101 membership: your email address. If you register or sign in with a Google or LINE account, the identifier of that account and the display name, profile image, and email address provided by that service
• The date and time you agreed to the Shikisai 101 Member Terms
• If you answer an on-site survey while signed in as a Shikisai 101 member (including when you sign in after answering): the link between that response and your membership, the date and time of the response, and the overall survey tally at the time of your response. To make this link, we store a response identifier on your device (browser) and send it to our servers when you sign in
• If you work through the Color Coordinator Test (Shikisai Kentei) practice questions while signed in as a Shikisai 101 member: your study records (the number and time of correct and incorrect answers for each question, where you stopped, the days you studied, and the test level you chose). If the previous version of the practice questions saved records on your device (browser), we import those records into your member records when you sign in. We do not save records of questions answered while not signed in

1-2. Information Collected Automatically

• Access logs (IP address, browser type, referrer URL, pages viewed, date and time of access)
• Technical information at the time of survey responses (IP address, browser type, screen size, language settings, time zone, URL of the response page)
• Information obtained through cookies and similar technologies
• Analytics data collected by Google Analytics

2. Purposes of Use

We use the collected information for the following purposes.

• Delivering our newsletter
• Tailoring newsletter content to the age group and areas of interest you provide
• Responding to inquiries
• Aggregating and analyzing survey results, and publishing them as statistical information or anonymized sample responses that cannot identify individuals (including publication on the Site as well as in media, publications, and promotional materials produced by us or in cooperation with third parties)
• Analyzing and improving how the Site is used
• Delivering advertisements and measuring their effectiveness
• Developing and improving our services
• Registering members, signing them in, and verifying their identity
• Saving members' records and making them available on other devices
• Showing members, on their member page, their survey responses alongside the overall survey tally
• Sending important notices that affect members, such as changes to the Member Terms
• Preventing unauthorized use

3. Provision to Third Parties

The Site does not provide users' personal information to third parties except in the following cases.

• When the user has given consent
• When disclosure is requested pursuant to laws and regulations
• When necessary to protect a person's life, body, or property

4. Third-Party Services

The Site uses the following third-party services. Please also review each service's privacy policy.

4-1. Google Analytics

We use Google Analytics for access analysis. Data is collected anonymously and does not identify individuals. For details, see the Google Privacy Policy.

4-2. Google AdSense

We use Google AdSense to serve advertisements. Cookies may be used to display ads based on your interests. You can opt out of personalized ads in your Google Ad Settings.

4-3. Amazon SES (Amazon Web Services)

We use Amazon SES (Amazon Web Services) to manage newsletter delivery. Registered email addresses are stored on AWS servers. For details, see the AWS Privacy Notice.

4-4. Google Cloud (Firestore)

We use Google Cloud (Firestore) to store survey response data and Shikisai 101 member records (including the links between survey responses and members). This data is stored on Google Cloud servers. For details, see the Google Cloud Privacy Notice.

4-5. Embedded Social Media Posts (X / Instagram)

Some articles use the post-embedding features of X (formerly Twitter) and Instagram. When you view a page containing embedded posts, content is loaded from servers operated by X Corp. and Meta Platforms, Inc., and browsing information (such as your IP address and cookies) may be transmitted to these companies. For details, see the X Privacy Policy and the Meta Privacy Policy. For our policies on the copyright and publication of embedded content, see our Site Policy.

4-6. Clerk (Member Registration and Sign-in)

We use the services of Clerk, Inc. (United States) to manage Shikisai 101 member registration and sign-in. The membership information described in 1-1 is stored on Clerk's servers (United States). Verification code emails for registration and sign-in are sent by Clerk. For details, see the Clerk Privacy Policy.

5. Provision of Personal Data to Third Parties in Foreign Countries

For member registration and sign-in, we entrust the handling of personal data to the following foreign company. When you register, we ask you to review the following and consent to this provision.

• Recipient: Clerk, Inc.
• Country: United States
• Information provided: the membership information described in 1-1

For information on the personal information protection system of the United States, see the page published by the Personal Information Protection Commission of Japan (Japanese).

In its Data Processing Addendum, Clerk commits to implementing technical and organizational measures to protect personal data, encrypting stored personal data, entering into written agreements with its sub-processors, and deleting personal data within 90 days of the end of the agreement.

6. Membership Withdrawal and Data Deletion

Members may withdraw at any time. When you withdraw, your Shikisai 101 membership ends, and we delete the membership information held by us and Clerk and the records saved in our services. We also delete the links between your survey responses and your membership. The responses themselves remain in the survey tally as responses not linked to any member. If you were receiving the newsletter as a member, we also stop sending it. Aggregated data that cannot identify individuals and records that must be retained by law are not deleted.

7. Use of Cookies

The Site uses cookies to improve usability, analyze site usage, and deliver advertisements. You can refuse cookies in your browser settings; however, some features of the Site may become unavailable as a result.

8. Newsletter Subscription and Unsubscription

The newsletter is delivered when you register as a Shikisai 101 member with "Receive the Shikisai 101 newsletter" selected on the registration screen. Users who subscribed via the former newsletter form will continue to receive it. You can unsubscribe at any time via the unsubscribe link included in each newsletter or from the settings on the member page.

Members who did not select "Receive" on the registration screen do not receive the newsletter. You can turn it on or off later on the member page.

9. Management of Personal Information

The Site takes appropriate security measures to prevent leakage, loss, or damage of the personal information it collects.

10. Requests for Disclosure, Correction, or Deletion

Users may request disclosure, correction, or deletion of their own personal information held by the Site. If you wish to do so, please contact us at the address below.

11. Changes to This Policy

This Policy may be revised without prior notice due to changes in laws or in our services. The revised Policy takes effect when posted on this page.

12. Contact

For inquiries regarding this Policy, please contact us at:

We will provide our name, address, and the name of our representative without delay upon request.