Environment of System
Newer than iOS6.0
Newer than Android 2.3
Even if you are using PC above environment, the website could not work properly for an unsteady reason of software or OS you have installed.
Please contact to OS manufacturer if you would like to ask about operation defect of PC or OS.
You are not possibly able to use our website as network configuration, firewall or security softs etc.
We do not guarantee operation by connection through a proxy.