북극곰의 눈 요새 · 황혼의 랜턴 불빛

Whimsical children's picture-book illustration of a polar bear cub building a snow fort beside a little seal friend, at twilight with a deep blue sky and cozy glowing lantern light. Rounded friendly shapes, gentle smiling expressions, warm storytelling details, cozy and safe mood. No text, no letters, no watermark. Vertical 4:5.