Privacy Policy

mast Inc. (First-Class Registered Architect Office) ("we", "us") handles personal information in accordance with the Act on the Protection of Personal Information of Japan and other applicable laws, as set out below.

1. Company information

• Name: mast Inc. (株式会社mast一級建築士事務所)
• Address: 3-14-13 Shinkamata, Ota-ku, Tokyo 144-0054, Japan
• Representative: Shota Nemoto, Representative Director
• Contact: info@m-a-st.jp

2. Information we collect

• Information you provide through our inquiry and quotation form: name, company name, telephone number, email address, and the content of your inquiry
• Information provided in connection with an order: billing and delivery address, contact person, and other details necessary to fulfil the order
• Information collected automatically when you use our website: cookies, pages viewed, referral source, IP address, device and browser type

3. Purposes of use

1. Responding to inquiries and quotation requests
2. Manufacturing, scheduling, delivery and installation of products
3. Invoicing, payment confirmation and accounting
4. After-sales service, warranty handling and product notices
5. Information about our products, exhibitions and events (you may opt out at any time)
6. Analysis of website usage and improvement of our services
7. Compliance with laws and the exercise or defence of our legal rights

4. Disclosure to third parties and outsourcing

We do not disclose personal information to third parties without your consent, except where required by law, where necessary to protect a person's life, body or property and consent is difficult to obtain, or where cooperation with a public authority is required by law.

We may entrust personal information to external contractors (manufacturers, shipping companies, financial institutions, accounting firms) to the extent necessary to manufacture, deliver, install, process payment for, and account for your order. We supervise such contractors appropriately.

5. Analytics and cookies

We use Google Analytics to understand how our website is used. Cookies are used to collect browsing information, which is transmitted to Google. The information collected does not identify you by name.

• Google Analytics Terms of Service: https://marketingplatform.google.com/about/analytics/terms/
• Google Privacy Policy: https://policies.google.com/privacy
• To opt out, use the Google Analytics Opt-out Browser Add-on (https://tools.google.com/dlpage/gaoptout) or disable cookies in your browser.

Our inquiry form also uses Google reCAPTCHA to protect against spam and abuse. reCAPTCHA collects information about your use of the form (such as device and browser information and cookies) and transmits it to Google. Google's Privacy Policy and Terms of Service (https://policies.google.com/terms) apply.

6. Security measures

We supervise our employees and contractors who handle personal information, limit access to authorised personnel, protect our systems against unauthorised access, and encrypt communications on our website using SSL/TLS.

7. Requests regarding retained personal data

If you or your representative request notification of the purpose of use, disclosure, correction, addition, deletion, suspension of use, erasure, or suspension of provision to third parties of retained personal data, we will respond promptly in accordance with applicable law after verifying your identity. Please contact us at info@m-a-st.jp.

8. Shipping

Our products are sold and shipped within Japan. For inquiries regarding delivery outside Japan, please contact us individually; terms including shipping, customs duties and import taxes will be agreed separately.

9. Changes to this policy

We may amend this policy in response to changes in law or in our services. Amendments take effect when published on our website.

This Privacy Policy is a translation of the Japanese original prepared for convenience. In the event of any discrepancy, the Japanese version prevails.

Effective date: 30 September 2026