Unfortunately vertical typesetting is not supported by ConTeXt. That's a big pity.

If horizontal typesetting is fine, this little working example with furigana might give you some hints. Hiragino Mincho Pro should be installed by Default on MacOS.

\enableregime[utf] % enable unicoded input
\definefontfamily [JapaneseFont] [rm] [hiraginominchopro]

\setupruby[location=top,voffset=-1.6ex, ]

\starttext \JapaneseFont

\ruby{僕}{ぼく}はもう\ruby{寝}{ね}る。

お\ruby{休}{やす}みなさい＾＿＾

\stoptext



On Feb. 26 2024, at 9:08 pm, Otared Kavian <otared@gmail.com> wrote:
Hi all,

Does anyone have a simple setup of fonts to write a small Japanese document (possibly with furagana) ? I am using MacOS and I have several Japanese fonts on the system.
I have some old examples which do not typeset correctly now, maybe because they use the old module simplefonts and commands such as \setcjkmainfont and friends.

Many thanks in advance: Otared

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