An interesting distinction is that all Japanese (and Chinese, and Korean) fonts are monospace. Unlike western writing, all Japanese characters are exactly the same width.
This is the reason for the so-called "full width" characters, to fit western writing into the same character boxes as Japanese characters.
This is the reason for the so-called "full width" characters, to fit western writing into the same character boxes as Japanese characters.
https://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms