四象限リマインダーデザイン：姿勢、水分補給、傾聴、休息

A clean, minimalistic four-quadrant design representing four things people tend to ignore: Posture, Hydration, Listening, and Rest. Each quadrant features the concept's name with a fitting icon: Posture with a straight spine silhouette, Hydration with a droplet, Listening with an ear, and Rest with a hammock. The design uses soft, muted colors with subtle gradients, with plenty of white space to ensure clarity and focus. Each quadrant is neatly divided, creating simplicity, balance, and visual harmony, serving as a gentle reminder of the small yet important aspects we often neglect.