Diligent
Careful, Elaborate, Meticulous
noun, な adjective
たんねん
丹念 （たんねん） Diligent, Careful, Elaborate, Meticulous
丹誠 （たんせい） Working Earnestly, Sincerity, Diligence, Effort
A Diligent 丹念 person will weather the storm just like rust colored 丹 metal and put thought 念 into their actions.
She's Diligent at tanning たんねん