YOU SAID:

If nothing matters then nothing doesn't

INTO JAPANESE

何も問題がなければ、何も重要ではありません

BACK INTO ENGLISH

Nothing matters if nothing is wrong

INTO JAPANESE

何も悪くなければ意味がない

BACK INTO ENGLISH

It doesn't matter if nothing's wrong

INTO JAPANESE

何も問題がなければ問題ありません

BACK INTO ENGLISH

If there is no problem, there is no problem

INTO JAPANESE

問題ないなら問題ない

BACK INTO ENGLISH

no problem no problem

INTO JAPANESE

問題ありません

BACK INTO ENGLISH

No problem

INTO JAPANESE

問題ない

BACK INTO ENGLISH

no problem

INTO JAPANESE

問題なし

BACK INTO ENGLISH

no problem