Cookie Policy
Last updated: March 1, 2026
1. What Are Cookies?
Cookies are small text files stored on your device (computer, tablet, or mobile phone) when you visit a website. They are widely used to make websites function properly, remember your preferences, and provide website owners with information about how the site is being used.
2. How YAMASTRO Uses Cookies
YAMASTRO Co., Ltd. uses cookies on yamastrohq.com to:
- Ensure the website functions correctly across sessions
- Remember your cookie consent preference so we do not ask on every visit
- Understand how visitors navigate the site at an aggregate level
- Improve website performance and content relevance over time
We do not use cookies for advertising, behavioural tracking, or cross-site profiling.
3. Types of Cookies We Use
3.1 Strictly Necessary Cookies
These cookies are required for the website to function. Without them, parts of the site — including the customer portal and contact form — may not work correctly. These cookies do not collect personal information. They cannot be disabled via our cookie banner.
- yst_consent — Stores your cookie consent preference (accept all / essential only). Expires: 12 months.
- Session management cookies used by the web server (expires at browser close).
3.2 Performance and Analytics Cookies
These cookies collect anonymous information about how visitors use the site — which pages they visit, how long they stay, and where they came from. We use this aggregate data to improve website content and navigation. These cookies are only placed if you click "Accept all."
- Page view and session analytics (anonymized). Expires: up to 24 months.
3.3 Functionality Cookies
These cookies allow the site to remember choices you have made, such as your preferred language or region. They improve the usability of the site. These cookies are only placed if you click "Accept all."
4. Managing Cookies
4.1 Our Cookie Banner
When you first visit our website, a cookie consent banner is displayed at the bottom of the page. You can choose to:
- Accept all — enables all cookie categories described above
- Essential only — restricts cookies to strictly necessary cookies only
Your preference is saved for 12 months. You can change your preference at any time by clearing your browser cookies, which will cause the banner to appear again on your next visit.
4.2 Browser Settings
Most web browsers allow you to manage cookies through their settings panel. You can typically find these options under "Privacy," "Security," or "Settings" in your browser. Note that disabling all cookies may affect the functionality of this and other websites.
For guidance on managing cookies in specific browsers:
- Google Chrome: Settings > Privacy and security > Cookies and other site data
- Mozilla Firefox: Settings > Privacy & Security > Cookies and Site Data
- Safari: Preferences > Privacy > Manage Website Data
- Microsoft Edge: Settings > Cookies and site permissions
5. Third-Party Cookies
Our website does not currently use third-party advertising or social media tracking cookies. If we load any third-party resources (such as web fonts from Google Fonts), those providers may set their own cookies in accordance with their own privacy and cookie policies. We recommend reviewing those policies independently.
6. Changes to This Policy
We may update this Cookie Policy from time to time as our use of cookies evolves or as legal requirements change. Any updates will be posted on this page with a revised "Last updated" date.
7. Contact Us
If you have questions about our use of cookies, please contact us:
YAMASTRO Co., Ltd.
Shinagawa Intercity Tower A 18F
2-15-1 Konan, Minato-ku, Tokyo 108-6018, Japan
Email: [email protected]
Phone: +81 3-4136-9974