Kurodoko/Kuromasu

     Here is a shading genre with yet another simple ruleset, allowing for great accessibility for all levels : Kurokoro (also Kuromasu). Here are the rules :

Shade some cells on the board.
- Shaded cells cannot be horizontally or vertically adjacent.
- Numbers cannot be shaded.
- Clues represent the total number of unshaded cells that can be seen in a straight line vertically or horizontally, including itself.
- All unshaded cells on the board form an orthogonally connected area.

Rules taken from puzz.link - click here for a solved example.

     Thanks to Wessel for testing and providing feedback.

Puzzle 1 (easy)

Puzzle 2 (easy to medium)

Puzzle 3 (medium)