도토리의 둥근 갓과 자연스러운 질감을 담은 오리지널 일러스트. handmade paper-cut illustration, rounded textured cap and warm brown nut, a few oak leaves on a natural paper-like ground, botanical study composition, soft upper-left daylight, tactile bark and leaf textures, earthy umber moss green cream palette, clear centered silhouette, no text, no logos, no watermark.