Privacy Policy

This Privacy Policy outlines how our website collects, uses, shares, and protects your information. We're committed to respecting the privacy of our visitors and users, and we comply with Japan's Act on the Protection of Personal Information and related laws and regulations.

1. Information We Collect and How We Use It

We collect the following information to provide services and enhance your experience on our website.

1.1 Information Collected Automatically

When you access our site, the following information is automatically collected. This data is used for traffic analysis, understanding website operation, and discerning user behavior and trends. It is not used to personally identify individuals.

• IP Address: The number used to connect your computer to the internet.
• Browser Type: The type of web browser you're using (e.g., Chrome, Safari).
• Referral Information: The address of the website you viewed immediately before accessing our site.
• Pageviews: Information about the pages you viewed within our site.
• Date and Time of Visit: The date and time you accessed our site.

1.2 About Cookies

Our website may use cookies to collect information. Cookies are small text files stored on your computer that allow us to recognize you when you revisit our site. They help us remember your preferences and past activities to provide a more personalized user experience.

You can disable cookies through your browser settings. However, please note that disabling cookies may limit some features of our site.

1.3 Information You Provide

When you contact us with inquiries or requests through our website, we may collect the following personal information. This information is used solely to respond to your inquiries or fulfill your requests and will not be used for any other purpose.

• Name
• Email Address
• Phone Number

The collection and use of this personal information are based on your consent or the performance of a contract me.

2. Information Sharing

We do not provide your personal information to third parties.

However, we may share information in compliance with relevant laws and regulations in the following circumstances:

• When a disclosure request is made based on legal requirements.
• When there's a legal request from public institutions such as courts or the police.
• When it's necessary to protect the life, body, property, or other rights and interests of the user or a third party, and obtaining your consent is difficult.

3. Personal Information Retention Period

We retain the personal information we collect only for the period necessary to fulfill the purposes for which it was collected. For example, information related to inquiries will generally be retained for 6 months after the inquiry is resolved, after which it will be appropriately deleted or anonymized. If there's a separate legal provision, we'll comply with that provision.

4. External Services

Our website uses Vercel for website hosting and delivery. Vercel may process information such as your IP address to provide site performance and availability. For more details on Vercel's privacy practices, please refer to Vercel's Privacy Policy (https://vercel.com/legal/privacy).

We also use Google Analytics to analyze website usage and improve our services. Google Analytics may collect your information using cookies, but we don't intend for these services to collect personally identifiable information. For information on how Google Analytics collects and processes data, please refer to Google's Policies & Terms page (https://policies.google.com/technologies/partner-sites).

5. Personal Information Security Measures

We implement appropriate technical and organizational security measures to prevent the loss, destruction, alteration, leakage, or unauthorized access to the personal information entrusted to us.

6. Your Rights

You have the following rights regarding your personal information. To exercise these rights, please contact us at the "Contact Information" provided below.

• Right to Access: The right to confirm how your personal information is being processed.
• Right to Rectification: The right to request correction of inaccurate personal information.
• Right to Erasure (Right to be Forgotten): The right to request the deletion of your personal information under certain conditions.
• Right to Restriction of Processing: The right to request the restriction of processing of your personal information under certain conditions.
• Right to Data Portability: The right to receive your provided personal data in a structured, commonly used format and to transmit it to another controller.
• Right to Object: The right to object to the processing of your personal information under certain conditions.

7. Changes to This Privacy Policy

We may revise this Privacy Policy due to changes in laws, changes in our website services, or for other reasons. We'll notify you of any significant changes through appropriate methods, such as announcements on our website.

8. Contact Information

If you have any questions about this Privacy Policy or requests regarding your personal information, please contact us at:

ArcCosine(via:vivalid.net)

Last Updated: June 27, 2025