html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffffff;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.gs {
  position: relative;
  box-sizing: border-box;
  width: min(216px, 84vw);
  padding-bottom: 80px;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  color: #17141a;
}

.gs__label {
  display: block;
  font-size: 10px;
  line-height: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: rgba(23, 20, 26, 0.72);
  margin: 0 0 4px;
}

.gs__btn {
  box-sizing: border-box;
  width: 100%;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 12px;
  border: 1px solid rgba(23, 20, 26, 0.16);
  background: #fff;
  border-radius: 12px;
  color: #17141a;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.gs.is-open .gs__btn {
  border-color: #2f6df6;
}

.gs__caret {
  display: inline-flex;
  color: rgba(23, 20, 26, 0.4);
  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.gs.is-open .gs__caret {
  transform: rotate(180deg);
}

.gs__panel {
  position: absolute;
  top: 52px;
  left: 0;
  right: 0;
  box-sizing: border-box;
  padding: 4px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  transform-origin: top center;
  transform: scaleY(0.8);
  opacity: 0;
  pointer-events: none;
  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1), opacity 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.gs.is-open .gs__panel {
  transform: scaleY(1);
  opacity: 1;
  pointer-events: auto;
}

.gs__scroll {
  height: 68px;
  overflow-y: auto;
  scrollbar-width: thin;
  overscroll-behavior: contain;
}

.gs__track, .gs__sub {
  margin: 0;
  padding: 0;
  list-style: none;
}

.gs__track:focus-visible {
  outline: 2px solid #2f6df6;
  outline-offset: 2px;
  border-radius: 8px;
}

.gs__head {
  position: sticky;
  top: 0;
  z-index: 1;
  box-sizing: border-box;
  height: 20px;
  margin: 0;
  padding: 0 8px;
  display: flex;
  align-items: center;
  background: #fff;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: rgba(23, 20, 26, 0.72);
}

.gs__opt {
  box-sizing: border-box;
  height: 24px;
  display: flex;
  align-items: center;
  padding: 0 8px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  color: rgba(23, 20, 26, 0.8);
  cursor: pointer;
}

.gs__opt.is-at, .gs__opt:hover {
  background: rgba(47, 109, 246, 0.1);
  color: #2f6df6;
}

.gs__opt[aria-selected=true] {
  font-weight: 800;
  color: #2f6df6;
}

.gs.is-demo .gs__track {
  animation: gs-scroll 2s linear infinite;
}

.gs.is-demo .gs__head--a {
  animation: gs-pin 2s linear infinite;
}

@keyframes gs-scroll {
  0% {
    transform: translateY(0);
  }
  28% {
    transform: translateY(-48px);
  }
  40% {
    transform: translateY(-68px);
  }
  60% {
    transform: translateY(-68px);
  }
  72% {
    transform: translateY(-48px);
  }
  100% {
    transform: translateY(0);
  }
}
@keyframes gs-pin {
  0% {
    transform: translateY(0);
  }
  28% {
    transform: translateY(48px);
  }
  40% {
    transform: translateY(28px);
  }
  60% {
    transform: translateY(28px);
  }
  72% {
    transform: translateY(48px);
  }
  100% {
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .gs.is-demo .gs__track, .gs.is-demo .gs__head--a {
    animation: none !important;
  }
  .gs__panel, .gs__caret {
    transition: none;
  }
}