なんともおもわない => think nothing of N3
Invariant
てもかまわない => it doesn't matter ... N4
Allow
てもかまわない => it doesn't matter ... N4
Concession
てもかまわない => No problem N4
Can, Should, Must
てもかまわない => it doesn't matter ... (Possibility) N4
Ability
~はいわずもがなだ      => need not to say N1
... にと思って => To do..., to let... N2
Purpose, target
に関わらず/に関わりなく => in spite of; regardless of ~ N2
~ににあわず (に似合わず ) => ~Different from N1
Evaluate
ようと思う/ようと思っている => thinking of doing; planning to ~ N3
わけにはいかない => Must not A, Must A N3
Needs, Requirement
と思う => I think N5