Four Square: A FullDeck and Missing a Few Cards Sudoku

Today's Puzzle:

Another excellent construction from the duo constructors. It's a tough break-in into this puzzle but gets easier once you're in!

Link to Play:

Four Square by FullDeck and Missing a Few Cards https://tinyurl.com/SudokuSleuthFourSquare

Rules:

Normal sudoku rules apply.

Renban line: Digits along each Renban line must form a set of non-repeating consecutive digits in any order.

Kropki pairs: Digits in cells separated by a black dot are in a 2:1 ratio. Digits in cells separated by a white dot are consecutive. Not all dots are necessarily given.