Social Media Post - SNS Giveaway Campaign Banner

[Campaign Information]

• Campaign Name: {argument name="campaign name" default="My Favorite Item Giveaway Campaign"}
• Prize List: {argument name="prizes" default="Tonkotsu Ramen, Tea, Tissue Box"}
• Participation Steps: {argument name="entry steps" default="Follow & Repost"}

[Image Quality/Direction/Composition]

• Style: Pop, bright, and friendly SNS promotional banner. Eye-catching design.
• Subject: Illustrations or realistic product photos of {argument name="prizes" default="Tonkotsu Ramen, Tea, Tissue Box"} popping out of a gift box, surrounded by festive ribbons and star decorations, centered.
• Color/Tone: Pastel tones of bright pink, yellow, and light blue to create a sense of excitement.
• Text Info (for GPT-image / Nano Banana Pro): The text {argument name="campaign name" default="My Favorite Item Giveaway Campaign"} at the top and the simple steps {argument name="entry steps" default="Follow & Repost"} at the bottom, laid out clearly in a thick, cute, rounded font.
• Lighting: Flat, uniform bright lighting with soft shadows.

[Strict Layout Constraints (Required)]

• Output the finished flat 2D design itself, filling the entire canvas. Scene elements inside the design (walls, rooms, shadows) described above are allowed. Absolutely NO photo-of-a-poster mockups: no picture frames, no poster-on-wall or poster-on-desk shots, no perspective warp or drop shadow around the artwork's edges.
• Aspect Ratio: --ar 1:1 or --ar 16:9