気味 => -like; -looking; -looked; tending to ~ N2
を契機に => as a good opportunity/chance to N2
Expected
に気がつく => to notice; to realize N4
を[機「き」]に => Use A as an opportunity N1
Time, Situation
気にもならない => it's no use; can't do N1
Evaluate
を[契機「けいき」] => As a good opportunity A, (do) B N2
Information, Report
[気味「きみ」]だ => Like A, Looking like A (is happening) N2
Adjectival, Descriptions
一気に => in one go; without stopping; all at once; immediately; instantly; right away ~ N2
...ような気がする => have a feeling that; feels like; seems like; think that ~ N3
Description
をきっかけに/を契機に => with… as a start; as a result of; taking advantage of N2