なんともおもわない => think nothing of N3
Invariant
ようと思う/ようと思っている => thinking of doing; planning to ~ N3
~とおもう(~と思う)      => tend to, be about to… N4
Intent
と思う => I think N5
かと思ったら/かと思うと => just when; no sooner than ~ N2
と思っている => Plan to do something N4
Plan
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
~たると ... たるとをとわず => regardless of; irrespective of; no matter~ N1
Simultaneously
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
を[問「と」]わず => Disregarding A; Without relation to A N2
Considering, Concerning