My SegaTools look like this
[vfs]
; Insert the path to the game AMFS directory here (contains ICF1 and ICF2)
amfs=C:\Games\CHUNITHM LUMINOUS 2.22\CHUNITHM LUMINOUS 2.22\bin\amfs
; Insert the path to the game Option directory here (contains Axxx directories)
option=C:\Games\CHUNITHM LUMINOUS 2.22\CHUNITHM LUMINOUS 2.22\bin\option
; Create an empty directory somewhere and insert the path here.
; This directory may be shared between multiple SEGA games.
; NOTE: This has nothing to do with Windows %APPDATA%.
appdata=C:\Games\CHUNITHM LUMINOUS 2.22\CHUNITHM LUMINOUS 2.22\bin\appdata