깔끔한 플랫 아웃라인 다이어그램 슬라이드

Simple and clean flat design slide layout. Figures, icons, and diagrams drawn with uniform black outlines and subtle pastel accent colors. Modern aesthetic with rounded shapes and consistent line weights. Diagram-centric composition featuring [Venn diagrams, bar graphs, and speech bubbles], with a friendly and inviting tone. Generous clean white space, high legibility, and well-balanced visual hierarchy.