I like the wood under the stairs. Use beadboard to match ceiling? Also- newel at second step, slightly around the corner of landing.
Photo from Tumbleweed Tiny Home, Cypress model. Love the stairs, fitting in a tight space, with storage underneath. Maybe add a railing?
Pallet wardrobe is quite an inspiring project for your house corner. This wood pallet idea offer you with so many services at one time such as it can act as a staircase. Plus you would also be finding the service access of cabinets in it for placing some decoration pieces.
Espace sous escalier
Each of the steps is actually a drawer in the Home Run, a baseball themed tiny house! See more at brevardtinyhouse.com