ふと => suddenly; accidentally; unexpectedly; unintentionally ~ N3
ふしがある => Seem N2
Speculation
ふとした ... => unexpected / incidental / little bitty N2
Expected
~こういうふう => like this N1
Means and methods
~ふり(~振り)      => to pretend; to act as if N3
ふりをする => to pretend; to act as if ~ N3
を[踏「ふ」]まえて => Thinking of A N1
Based/focused/depending on
ふうに => this way; that way; in such a way; how N2
ふりをする => To pretend to (be) A N3
Adjectival, Description
~をふまえて      => to be based on; to take into account ~ N1
ふそくはない => nothing to complain about, just as expected N3
As expected
もの/もん/んだもの/んだもん => because; indicates reason/ excuse/ dissatisfaction N3