We apologize for your inconvenience, and your for your understanding.
There was a situation where the learningBOX could not be accessed.
We apologize for any inconvenience this may cause you.
The cause was unstable access due to increased server load, and emergency maintenance was carried out.
We are pleased to report that we have now taken measures to address the presumed cause of the load and have restored the service.
We apologize again for any inconvenience this may cause.
We look forward to working with you in the future.