Try being a Browns fan for a year.
Ouch! You win!
I resolved these overlaping issue after creating some more panels into the repeating section.
Nintex Form:
Edit mode with hiding rule:
I ended up having to redo the repeating table. I did it by adding the default CSS with the labels and text fields, "nf-form-input nf-section," rather than our custom CSS. Once that was put in, the nested repeating tables worked beautifully.