Kanji, katakana, hiragana, Arabic numerals, Latin text, and punctuation. It depends on the quality of the typesetting and the formality, but you can expect the

Kanji, katakana, hiragana, Arabic numerals, Latin text, and punctuation. It depends on the quality of the typesetting and the formality, but you can expect the Arabic numerals, Latin text and punctuations to have different widths than the rest. Of course it's acceptable to make everything full-width, just like in English.