This system works on a Web browser. Please avoid the following operations.
(1) Press close button on browser
(2) Press go back button on browser
(3) Press go back button when you are with a smart phone
These may cause a multi login failure, which disturbs your usage for a while.
Before you terminate the system, go back to Start Page, and press <Logoff> button. This operation is to erase your login information, and therefore you can start your next usage immediately.