Using JP characters in Latex or Pandoc

In Latex

Put this line

\\\\usepackage[whole]{bxcjkjatype}

on top of anything else.

In Pandoc (Markdown)

Put these lines

---
header-includes:
- \\\\usepackage[whole]{bxcjkjatype}
---

on top of anything else. the part between --- is meant to be the meta data.