OnomaUI

kotsun motion

The motion for "bump lightly".

こつん1 motionOfficial

Sample

Bump lightly

Hit the edge

Stretches 10% wide, then wobbles a few times back to shape.

Duration
0.4s
Repeats
No
Easing
ease-in-out
Animates
Scale scale
Show CSS
@keyframes onoma-kotsun {
  0% { transform: scale(1, 1); }
  25% { transform: scale(1.1, 0.91); }
  45% { transform: scale(0.94, 1.06); }
  65% { transform: scale(1.03, 0.97); }
  82% { transform: scale(0.99, 1.01); }
  100% { transform: scale(1, 1); }
}

.onoma-kotsun {
  animation: onoma-kotsun 0.4s ease-in-out both;
}

/* Reduced motion: no motion */
@media (prefers-reduced-motion: reduce) {
  .onoma-kotsun { animation: none; }
}

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