/etc/X11/xorg.conf.d/
Option "XkbOptions" "ctrl:nocaps"
マップ
key <HZTG> { [ Zenkaku_Hankaku ] };
key <HKTG> { [ Hiragana_Katakana ] };
key <HENK> { [ Henkan ] };
key <MUHE> { [ Muhenkan ] };