For server maintenance, Riiiver service will temporarily become unavailable in the period shown below.

Server maintenance period:
May 23, 2022 (Japan Time / whole day)
(Depending on conditions, the period may become longer.)

＜Unavailable service during the maintenance＞
· Riiiver service login
· Personalization function (using iiideas)
· iiidea store

We apologize in advance for any inconvenience this may cause.