当然だ/当たり前だ => natural; as a matter of course N2
... としての... => ...as a... N3
Position, perspective
~せめてもの => at least, at most N1
Compare
~てからというもの      => ever since ~ N1
…ばあいをのぞいて => Except for N2
Exception
のに対して => towards; against; regarding; in contrast with ~ N2
ときているから/ときているので => because of ~ N1
この / その / あの => this / that N5
Spatial relations
ものの => but, although N2
ものの => but, although N2
Things do not match the prediction
その...その => Every... N1
Happens next
...そのもの => Myself... N2
Demonstrate by example