Due to system maintenance on 5th July 2022, the following updates.

For Job seekers
In addition to "Male" and "Female", "None specified" can now be selected in the "Gender" field for Application form creation.
See also,
"Help How do I create Application Form and Achievements and Activities?"
https://jrecin.jst.go.jp/seek/e_job_hunter_help.html#kyj11