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);
}

.ut {
  box-sizing: border-box;
  display: grid;
  gap: 8px;
  width: min(264px, 92vw);
  padding: 12px;
  border: 1px solid rgba(23, 20, 26, 0.12);
  border-radius: 16px;
  background: #ffffff;
  color: #17141a;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
}

.ut * {
  box-sizing: border-box;
}

.ut__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.ut__title {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
}

.ut__seg {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 36px);
  padding: 4px;
  border-radius: 999px;
  background: rgba(23, 20, 26, 0.08);
}

.ut__thumb {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 36px;
  height: calc(100% - 8px);
  border-radius: 999px;
  background: #17141a;
  transition: transform 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.ut.is-f .ut__thumb {
  transform: translateX(36px);
}

.ut__u {
  position: relative;
  z-index: 1;
  padding: 4px 0;
  border: 0;
  background: none;
  color: rgba(23, 20, 26, 0.72);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
}
.ut__u:focus-visible {
  outline: 2px solid #2f6df6;
  outline-offset: 2px;
  border-radius: 999px;
}
.ut__u.is-on {
  color: #fff7e6;
}

.ut__big {
  display: flex;
  align-items: flex-start;
  margin: 0;
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.ut__deg {
  font-size: 20px;
  font-weight: 700;
}

.ut__hours {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ut__h {
  display: grid;
  justify-items: center;
  gap: 4px;
  padding: 4px 0;
  border-radius: 12px;
  background: rgba(110, 200, 255, 0.2);
  font-variant-numeric: tabular-nums;
}

.ut__hl {
  font-size: 9px;
  font-weight: 700;
  line-height: 1;
  color: rgba(23, 20, 26, 0.72);
}

.ut__ht {
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
}

.ut__hs {
  font-size: 9px;
  font-weight: 500;
  line-height: 1;
  color: rgba(23, 20, 26, 0.72);
}

.ut__days {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ut__d {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  font-variant-numeric: tabular-nums;
}

.ut__dl {
  font-size: 10px;
  font-weight: 700;
  line-height: 1.3;
  color: rgba(23, 20, 26, 0.72);
}

.ut__dv {
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
}

.ut__dd {
  color: rgba(23, 20, 26, 0.72);
}

.ut__ds {
  font-size: 10px;
  color: rgba(23, 20, 26, 0.72);
}

.ut__swap {
  position: relative;
  display: inline-block;
}

.ut__alt {
  position: absolute;
  inset: 0;
  opacity: 0;
}

@keyframes ut-va {
  0%, 44% {
    opacity: 1;
  }
  45%, 87% {
    opacity: 0;
  }
  88%, 100% {
    opacity: 1;
  }
}
@keyframes ut-vb {
  0%, 44% {
    opacity: 0;
  }
  45%, 87% {
    opacity: 1;
  }
  88%, 100% {
    opacity: 0;
  }
}
@keyframes ut-thumb {
  0%, 42% {
    transform: translateX(0);
  }
  56%, 84% {
    transform: translateX(36px);
  }
  96%, 100% {
    transform: translateX(0);
  }
}
@keyframes ut-suffix {
  0%, 44% {
    opacity: 1;
  }
  45%, 87% {
    opacity: 0;
  }
  88%, 100% {
    opacity: 1;
  }
}
@keyframes ut-pressf {
  0%, 41% {
    transform: scale(1);
  }
  45% {
    transform: scale(0.9);
  }
  57%, 100% {
    transform: scale(1);
  }
}
@keyframes ut-labelc {
  0%, 44% {
    color: #fff7e6;
  }
  45%, 87% {
    color: rgba(23, 20, 26, 0.72);
  }
  88%, 100% {
    color: #fff7e6;
  }
}
@keyframes ut-labelf {
  0%, 44% {
    color: rgba(23, 20, 26, 0.72);
  }
  45%, 87% {
    color: #fff7e6;
  }
  88%, 100% {
    color: rgba(23, 20, 26, 0.72);
  }
}
.ut.is-demo .ut__swap .ut__v {
  animation-name: ut-va;
}
.ut.is-demo .ut__swap .ut__alt {
  animation-name: ut-vb;
}
.ut.is-demo .ut__swap .ut__v, .ut.is-demo .ut__swap .ut__alt {
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}
.ut.is-demo .ut__thumb {
  animation-name: ut-thumb;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}
.ut.is-demo .ut__deg .ut__v, .ut.is-demo .ut__deg .ut__alt {
  animation-name: ut-va, ut-vb;
  animation-duration: 2s, 2s;
  animation-timing-function: steps(1, end), steps(1, end);
  animation-iteration-count: infinite, infinite;
  animation-fill-mode: backwards, backwards;
}
.ut.is-demo .ut__deg .ut__v {
  animation-name: ut-va;
}
.ut.is-demo .ut__deg .ut__alt {
  animation-name: ut-vb;
}
.ut.is-demo .ut__seg .ut__u[data-unit=c] {
  animation-name: ut-labelc;
  animation-duration: 2s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}
.ut.is-demo .ut__seg .ut__u[data-unit=f] {
  animation-name: ut-pressf, ut-labelf;
  animation-duration: 2s, 2s;
  animation-timing-function: cubic-bezier(0.2, 0.8, 0.2, 1), steps(1, end);
  animation-iteration-count: infinite, infinite;
  animation-fill-mode: backwards, backwards;
}

@media (max-width: 340px) {
  .ut {
    padding: 4px 8px;
    gap: 4px;
  }
  .ut__big {
    font-size: 30px;
  }
  .ut__deg {
    font-size: 16px;
  }
  .ut__h {
    padding: 0;
  }
  .ut__d {
    gap: 4px;
  }
  .ut__dv {
    font-size: 11px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .ut.is-demo .ut__swap .ut__v,
  .ut.is-demo .ut__swap .ut__alt,
  .ut.is-demo .ut__thumb,
  .ut.is-demo .ut__u {
    animation: none !important;
    transform: none !important;
  }
  .ut.is-demo .ut__swap .ut__v {
    opacity: 1 !important;
  }
  .ut.is-demo .ut__swap .ut__alt {
    opacity: 0 !important;
  }
  .ut__thumb {
    transition: none !important;
  }
}