"if straightforward" is a grammatically correct and usable phrase in written English.
It is often used to introduce a condition or potential outcome. Example: If straightforward, the problem can be easily solved with a simple solution.
Not so bad if straightforward.
On "Midnight Lounge" (Shanachie), Ms. Watley recruited deep house producers like Ron Trent and Masters at Work to help her make an elegant (if straightforward) album of laid-back dance music.
A pacy if straightforward biography of Milanese outlaw Renato Vallanzasca from the makers of Romanzo Criminale, which revels in its antihero's audacious crimes, mostly of the armed robbery and 1970s fashion variety.
On "Show Me Your Soul" the Neptunes helped make the beat, Pharrell Williams (from the Neptunes) shouts the hook, and Lenny Kravitz croons part of the chorus; the result is an effective (if straightforward) dance track, with a clattering backbeat and lots of boasting.
On the face of it, the plan seems like a radical, if straightforward, way to woo shoppers who are increasingly spending money on products they deem ethical.
Sportacus, who is portrayed by an Icelandic fellow named Magnus Scheving, speaks in straightforward if slightly accented English.
Some are imaginative if relatively straightforward spoofs.
If a straightforward solution to the conflict in Israel and Palestine were obvious then we wouldn't be where we are today.
This time last year Ryanair's conversion to being nice seemed an unlikely if relatively straightforward morality tale.
In the case of Davis, things seem, if not straightforward, then at least to have a balance of propriety.
As such, the findings have been revealing if not straightforward in the conclusions that we should draw.
