japanese input method - Robuta Search

https://support.apple.com/en-kw/guide/japanese-input-method/welcome/mac

On your Mac, use the Japanese or Ainu input method to enter characters in input sources such as hiragana, katakana, or romaji.

https://github.com/knu/imedic-shogi

Shogi terminology dictionary for Japanese input method editors - knu/imedic-shogi