Contact

*Notes before contacting us

For frequently asked questions, please refer to the FAQ. Personal information received from customers will be used to answer inquiries and questions and to provide information. Depending on the content of your inquiry, we may respond by a method other than e-mail. It may take several days to respond, and we may not be able to respond depending on the question. Please note. Our responses are personalized to you. Please refrain from diversion or secondary use of part or all.

 

● Inquiries by phone

Please contact us here for inquiries about product usage and features. For inquiries by phone, please contact the number below.
0120-330-400 Reception hours 11:00-18:00 (excluding Saturdays, Sundays, national holidays, national holidays, year-end and New Year holidays, and summer holidays)

 

●Inquiries by email

Depending on the customer's usage environment and settings such as anti-spam measures, we may not be able to receive your reply. Please make sure that you can receive emails from "@diamo.jp". Please fill in the required information in the form below. ※ is a required item. Please be sure to fill in this form.

 

*Regarding sales to our company

We kindly ask you to refrain from doing so.