Sans, drawn by Coji Morishita, M+ Fonts Project. One of the 180 faces the daily game can ask you for.
Designer
Coji Morishita, M+ Fonts Project
Classification
Sans
Width
Normal0.529
x-height
Medium0.71
Normal width, with a middling x-height.
Both figures are measured from the font file, not quoted from a foundry. Width is the average advance of the lowercase alphabet against the em; x-height is the height of the x against the cap height.