GPT Image 2.0 プロンプト - Mossbun 2色ピクセルクリーチャー

Create a single original cute fantasy creature for a cozy collectible card game. Creature number: 1. Creature name: Mossbun. Style: pixel art sprite, retro handheld game aesthetic, crisp pixel edges, no anti-aliasing, no gradients, no soft shading, no smooth painterly rendering. Use exactly two visible colors only: #ffffff and #8a8a8a. Transparent background is allowed. No black, no colored pixels, no additional gray shades, no highlights in other colors. Full body, centered, small magical pet-like creature, cute and collectible, clean readable silhouette, charming expression. The creature should be unique and recognizable with a few distinctive fantasy details, but simple enough to read clearly at small size. No environment, no scenery, no frame, no card border, no text, no logo, no watermark, no UI elements. Output: square pixel art sprite, transparent background, designed for 128x128 pixels.