OnomaUI

bachin motion

The motion for "snap shut".

ばちん1 motionOfficial

Sample

Snap shut

Clasp / toggle

Twists 18° and tightens for an instant, then clicks back.

Duration
0.4s
Repeats
No
Easing
ease-out
Animates
Rotation · Scale rotate scale
Show CSS
@keyframes onoma-bachin {
  0% { transform: rotate(0deg) scale(1, 1); }
  20% { transform: rotate(18deg) scale(0.94, 0.94); }
  45% { transform: rotate(-5.4deg) scale(1.02, 1.02); }
  70% { transform: rotate(1.8deg) scale(1, 1); }
  100% { transform: rotate(0deg) scale(1, 1); }
}

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

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

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