Nanro (ft. another Speckled Bands Doppelganger)

Back in February, I spent some time solving old puzzles on Puzzle Square JP. So far, I've only decided to skip four and am currently procrastinating on attempting a Habanero-level Sudoku. I was reintroduced to Nanro and found it to have lots of promise in its logic, but the region structure made it difficult for me to set. Nevertheless, I have set a couple worth sharing:

(Made on 2/15/25)

https://puzz.link/p?nanro/10/10/14285ga0k50a1k284g000s0700vv00s07000o2k3l-15zi2h43h3zi3l3k4o

(Made on 2/16/25)

https://puzz.link/p?nanro/4/4/94g1s0i21o3g

https://pedros.works/paper-puzzle-player.html?W=4x4&L=(1)2(3)6(2)7&SIT=2RRRR8UUUU&G=speckled-bands