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

Server maintenance period: January 1, 2022 10:00 a.m. – 3:00 p.m. (Japan Time / 5 hours)
(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.