ktKEYBOARD ver.3

I wanted my own compact keyboard.
The reason is that the array of commercially available compact keyboards is strange, and there are also keys to press Fn key at the same time. I hated it.
Also, since there is a mouse on the right side of the keyboard, I think that it is nonsense to arrange the arrow keys and the numeric keypad on the right.
Furthermore, in Japan, a keyboard of Japanese layout is common.
I confirmed almost all commercially available keyboards, but there was no keyboard that