ルナルナ ベビー：妊娠から出産後も、ママと赤ちゃんのアプリ

Flat design focuses on clean visual hierarchy, consistent color palettes, and recognizable silhouettes that work at small sizes. This style is popular for its ability to communicate brand identity quickly.

The pink and blue color palette creates a distinctive visual identity that helps the app stand out on the App Store. These colors evoke specific emotions and enhance brand recognition.

The cute mood of this icon creates an immediate emotional connection with users, reflecting the app's core experience and target audience.