Please check the following points.

(1) The log-in process had been cut off because there was no operation for a certain time since the log-in screen of Single- Sign On system was displayed. Please access to the service you were going to use and log in again.

(2) The screen of Single-Sign On system can not be used as a browser bookmark. The URL of Single-Sign On system begins with "https://authidp1.iimc.kyoto-u.ac.jp". Please open the log-in screen from the original URL of the service you were going to use.