This is a terrible exchange.

I also transferred the ERC-20 token to the ETH address. The exchange decided to appropriate this money for itself. Now she has access to my money and does not want to give this access to me. Hiding behind very favorable rules for ourselves ...

Apparently her affairs are very bad. That she is robbing her customers.
The exchange was designed in such a way that you will lose your money just by carrying out daily work. For any improper action, the exchange will appropriate your money for itself.

The owners of the exchange think that they have outwitted everyone ...

Apparently in Japan, not everything is as good with regulation as we were told.