I’ll just copy something I’ve written before on this subject:
And once again (so it embeds) here’s that image:
(and the key that goes with it)
Correct use of genkō yōshi (400 square sheet shown):
- Title on the 1st column, first character in the 4th square.
- Author’s name on the 2nd column, with 1 square between the family name and the given name, and 1 empty square below.
- First sentence of the essay begins on the 3rd column, in the 2nd square. Each new paragraph begins on the 2nd square.
- Subheadings have 1 empty column before and after, and begin on the 3rd square of a new column.
- Punctuation marks normally occupy their own square, except when they will occur at the top of a column, in which case they share a square with the last character of the previous column.