::-webkit-scrollbar {
  width: 12px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: linear-gradient(90deg, #f3f4f6, #e5e7eb);
  border-radius: 5px;
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, #9ca3af, #6b7280);
  border-radius: 5px;
  box-shadow: inset 0 0 6px rgba(124, 124, 124, 0.3);
}
Ï ::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(90deg, #6b7280, #4b5563);
}

/* Firefox用 */
* {
  scrollbar-width: thin;
  scrollbar-color: #9ca3af #f3f4f6;
}

.cast-scroll {
  scrollbar-width: thin;
  scrollbar-color: hsl(210, 3%, 74%) transparent;
}

.cast-scroll::-webkit-scrollbar {
  height: 6px;
}

.cast-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.cast-scroll::-webkit-scrollbar-thumb {
  background-color: hsl(217.2 32.6% 17.5%);
  border-radius: 3px;
}