.kae-wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: #ffffff;
  border: 1.5px solid #25D366;
  border-radius: 999px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 16px rgba(37,211,102,0.25);
}
.kae-wa-float:hover {
  transform: scale(1.04);
  box-shadow: 0 6px 24px rgba(37,211,102,0.35);
}
.kae-wa-float .kae-wa-circle {
  width: 52px;
  height: 52px;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.kae-wa-float .kae-wa-circle svg {
  width: 26px;
  height: 26px;
  fill: #ffffff;
}
.kae-wa-float .kae-wa-text {
  padding: 0 18px 0 14px;
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  font-family: sans-serif;
}
.kae-wa-float .kae-wa-text span {
  font-size: 14px;
  font-weight: 700;
  color: #111111;
}
.kae-wa-float .kae-wa-text small {
  font-size: 11px;
  color: #555555;
  font-weight: 400;
}

@media (max-width: 480px) {
  .kae-wa-float {
    bottom: 16px;
    right: 16px;
  }
  .kae-wa-float .kae-wa-circle {
    width: 46px;
    height: 46px;
  }
  .kae-wa-float .kae-wa-text span {
    font-size: 13px;
  }
  .kae-wa-float .kae-wa-text small {
    font-size: 10px;
  }
}