Contact
For questions, feedback, proposals, overseas orders or any other inquiry about KEYSTONE, please feel free to reach out.
By Phone
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Head Office
Hours: 9:00–17:00 JST (except year-end / New Year holidays)
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Flagship Store
Hours: 9:00–17:00 JST (except year-end / New Year holidays)
By Email
Email: info@keystonebrand.jp
Please note: our team primarily communicates in Japanese. English inquiries are welcome by email — replies may take a little longer, and we appreciate your understanding. Our online shop (keystone-ds.com) is also operated mainly in Japanese; for overseas purchases, email us and we will do our best to help.
LINE (Japan)
In Japan, you can also reach us through our official LINE account. Replies are sent during store hours (9:00–17:00 JST).
