To be honest, this hunt for the exactest match of these Fuji in-camera processing appears a little esoteric to me. Since these styles are more an approximation to the approximation given by the haldCluts, I would not expect too much accuracy
I like the basic look of the CC and Acros styles and it can be quite convenient to use them like these. Moreover, I don’t use them exclusively for Fuji raws. Here is an example of the Acros style applied to a Nikon raw:
(added some local exposure adjustment and tweaked the levels tool a bit).