When there is limited space at the bottom of a staircase, the problem is rarely the width of the stairs or the door opening itself. More often, the limitation comes from the distance between the door and the adjacent wall. This space can be narrower than the floor opening, even when the upper part of the staircase has sufficient width. If the first stringer follows a standard layout, the entrance to the staircase becomes tight or conflicts with the door. Instead of reducing t