細心
Common
I-adj
Noun
Noun
1
adjectival nouns or quasi-adjectives (keiyodoshi)nouns which may take the genitive case particle 'no'noun (common) (futsuumeishi)
meticulous;careful;discreet;scrupulous;prudent
ほんの些細なことにも細心の注意を払わなければならない。
You must give close attention to the merest details.