Using a well-shaped pizza dough as the key visual for a Mother's Day celebration campaign is a unique and creative idea. The choice of medium adds an unexpected element to the tribute, and it's a great way to convey the idea of nurturing and care, just like a mother.

The positioning of the dough to resemble a pregnant woman was a clever touch, as it directly symbolizes the essence of motherhood.

Incorporating the hand to represent emotions, gentleness, and care was a thoughtful addition. It helps to humanize the concept, evoke a sense of warmth and made it more relatable to the audience. 

Overall, this minimalistic design idea captures the essence of Mother's Day in a unique and visually appealing way. It's a way to celebrate and appreciate the unconditional love and care that mothers provide.

This creative campaign was achieved using Adobe Photoshop.