.idol-wa{
  position:fixed;bottom:28px;right:28px;z-index:9999;
  display:flex;flex-direction:column;align-items:flex-end;gap:10px;
}
.idol-wa__btn{
  width:58px;height:58px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px rgba(37,211,102,.4);
  text-decoration:none;transition:transform .2s,box-shadow .2s;
  animation:idol-wa-pulse 3s infinite;
}
.idol-wa__btn:hover{transform:scale(1.08);box-shadow:0 6px 24px rgba(37,211,102,.55);animation:none;}
.idol-wa__label{
  background:#1a1a1c;color:#fff;font-size:14px;
  font-family:'Jost',sans-serif;padding:7px 14px;border-radius:20px;
  white-space:nowrap;pointer-events:none;
  opacity:0;transform:translateX(8px);transition:opacity .25s,transform .25s;
}
.idol-wa:hover .idol-wa__label{opacity:1;transform:translateX(0);}
@keyframes idol-wa-pulse{
  0%,100%{box-shadow:0 4px 16px rgba(37,211,102,.4);}
  50%{box-shadow:0 4px 28px rgba(37,211,102,.7);}
}
@media(max-width:480px){.idol-wa{bottom:18px;right:18px;}.idol-wa__btn{width:52px;height:52px;}}