OnomaUI

ba motion

The motion for "spring open all at once".

ばっ1 motionOfficial

Sample

Spring open all at once

Reveal in a flash

Grows from nothing to 135%, dips slightly, then settles.

Duration
0.36s
Repeats
No
Easing
ease-out
Animates
Scale · Opacity scale opacity
Show CSS
@keyframes onoma-ba {
  0% { transform: scale(0, 0); opacity: 0; }
  45% { transform: scale(1.35, 1.35); opacity: 1; animation-timing-function: ease-in-out; }
  72% { transform: scale(0.88, 0.88); opacity: 1; }
  100% { transform: scale(1, 1); opacity: 1; }
}

.onoma-ba {
  animation: onoma-ba 0.36s ease-out both;
}

/* Reduced motion: only fade in */
@keyframes onoma-ba-fade { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .onoma-ba { animation: onoma-ba-fade 0.2s ease-out both; }
}

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