ふんわり雲とやさしい日差しの淡い青空

A breathtaking 3D sky scene with a vast bright blue sky filled with soft, fluffy cumulus clouds drifting gently. Warm sunlight streams through the clouds, creating subtle golden highlights and soft shadows. The sky has a smooth gradient from light blue near the horizon to deeper blue above. A few distant birds glide peacefully, adding life and scale. Calm, dreamy atmosphere with clean air and gentle wind movement. Cinematic lighting, realistic depth, soft volumetric clouds, ultra-smooth shading, vibrant yet natural colors. 3D animated style, child-friendly, serene and magical mood, high clarity, wide cinematic view, 16:9 aspect ratio, no text.