For a film about a man whose sense of self is so poorly defined that he’s referred to by a different name in every chapter of his life, “Jinsei” makes a point to select a visual language and stick to it. Ryuya Suzuki’s masterful anime, which spans the century-long life of a J-Pop star, makes it impossible to ignore how little it shows you. The postage stamp aspect ratio blacks out all four sides of the frame, forcing your eyes to focus on images…