ANA Holdings Inc. and Japan Airlines Co. said Friday they will respond to customer harassment under their jointly drawn-up guidelines as part of efforts to prevent their staff from quitting due to abusive customers. The two biggest Japanese airline operators said the guidelines address customer behaviors such as badgering staff, irrational demands and physical violence, among other typical issues. The guidelines also cover responses to unauthorized access to workspaces and property damage, according to the airlines. The move comes as so-called kasu-hara, Japanese slang for customer harassment,…