<https://s.mj.run/vGzSkUlYVHc> Design a set of four modern, stylized buildings, each with its own unique color palette and architectural style. The buildings should be clean and simple with large windows, bright pastel colors, and sleek lines. Each building has a distinct character: one green, one yellow, one coral red, and one blue, with different shapes and details like varying rooflines, window patterns, and entryways. The overall style should be playful and minimalist, with a subtle 3D effect to give each building depth. Position them side by side as a cohesive set, representing a charming, vibrant cityscape in a cartoonish and approachable style. --niji 6