Firefox66.03
https://cfg.smt.docomo.ne.jp/auth/cgi/anidlogin_mltdom?arcv=eAGNi0sKwjAURfeSsSR5L_-O2iQvLkB3UAci1BQMBBH3bqsb8I7OhXOczkaXFFQCTL6EQjGis7b46EtCAp01TAmAsjTSTZmM8aQ9WchIiUaUEKQCLb97MckGdjrSmR0Y7HhtbX0MQvTe-b21S53rUvlc-W0Vy_N3xSaj2m3YyNj_u_cHYP816Q

ここでIMEがON.OFF出来ますかOperachrome.では出来るのですが