何なにはなくとも

expression

even if nothing else; more than anything else; at the very least

Fixed expression used to emphasize that something is essential or a top priority, often followed by a statement of what must be done or obtained regardless of other circumstances.

• 何なにはなくとも、まずは謝あやまらなければならない。

  More than anything else, I must apologize first.

• 旅りょ行こうに行いくなら、何なにはなくともパスポートは忘わすれずに。

  If you're going on a trip, at the very least don't forget your passport.