Collocations for straightforward - adj.

appear, be, look, prove, seem, sound
find sth
I think you'll find it all quite straightforward.

extremely, fairly, very, etc.
perfectly, quite
Look, it's perfectly straightforward—just multiply everything by five.

by no means (esp. BrE), far from, less than, not entirely
Getting funding for the project was far from straightforward.

comparatively, reasonably, relatively
apparently, seemingly
deceptively, surprisingly
The answer to this question is deceptively straightforward (= more straightforward than it looks).

be, seem

very
quite
refreshingly
a refreshingly straightforward attitude

about, with
He was very straightforward with us about the difficulties involved.

Straightforward is used with these nouns:
answer, approach, example, exercise, fact, fashion, interpretation, manner, narrative, procedure, prose, story