Whimsical 3D "Happy Birthday" Hot Air Balloon ポストカード

A joyful and vibrant 3D digital illustration featuring a colorful hot air balloon floating among soft, fluffy clouds. The balloon is decorated with the words "HAPPY BIRTHDAY TO YOU" in bold, rounded, 3D bubble letters in various pastel shades. The scene is set against a dreamy background of pink, purple, and blue clouds with a light scattering of colorful confetti. Customize it with the name of your choice.