Sorting headings in an ORG file

There is an org-sort command but you may need to tweak your file structure to get the results you want (if I am understanding the question properly). Use org-sort (C-c ^) to sort entries in the outline, rows in a table, or items in a list. For example from a heading you can call org-sort to sort all the child entries. In your example you want to sort the top-level entries in your outline, so selec

[moerrari]

子項目は並び替えせずに、トップレベルの見出しのみ並び替えするには範囲をリージョン選択してからC-c ^する。