:root {
  color-scheme: light;
  --cover-ink: #163349;
  --cover-muted: #264b63;
  --cover-paper: #eff6fa;
  --cover-line: rgb(25 56 78 / 30%);
  --cover-accent: #327695;
  --surface: var(--cover-paper);
  background: var(--cover-paper);
  color: var(--cover-ink);
  font-family:
    "LINE Seed EN subset", "LINE Seed EN", "LINE Seed KR subset",
    "LINE Seed KR", "LINE Seed JP subset", "LINE Seed JP", sans-serif;
}
:root:lang(ja) {
  font-family:
    "LINE Seed EN subset", "LINE Seed EN", "LINE Seed JP subset",
    "LINE Seed JP", "LINE Seed KR subset", "LINE Seed KR", sans-serif;
}
:root[data-theme="night"] {
  color-scheme: dark;
  --cover-ink: #f1f6fb;
  --cover-muted: #e1ebf6;
  --cover-paper: #101e2d;
  --cover-line: rgb(223 237 248 / 42%);
  --cover-accent: #a0d9ed;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  color: inherit;
  font: inherit;
  cursor: pointer;
}
[hidden] {
  display: none !important;
}
:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 6px;
  border-radius: 3px;
}
.cover {
  position: relative;
  min-height: 640px;
  height: 100svh;
  overflow: hidden;
  isolation: isolate;
}
.cover-scene,
.cover-parallax,
.cover-art,
.cover-atmosphere,
.cover-fade,
#cover-snow {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.cover-scene {
  z-index: -3;
  transform: scale(1);
  transition: transform 850ms cubic-bezier(0.25, 0.1, 0.25, 1);
}
.cover-parallax {
  inset: -10px;
  transform: translate(var(--px, 0px), var(--py, 0px));
  transition: transform 1.6s ease-out;
}
.cover-art {
  opacity: 0.46;
  filter: saturate(0.6);
  background: center / cover no-repeat;
  animation: winter-breath 32s ease-in-out infinite alternate;
  transform-origin: 66% 58%;
}

.cover-atmosphere {
  background: linear-gradient(
    180deg,
    rgb(225 239 247 / 46%),
    rgb(235 244 250 / 26%) 38%,
    transparent 58%,
    rgb(220 235 247 / 18%)
  );
}
[data-theme="night"] .cover-atmosphere {
  background: linear-gradient(
    180deg,
    rgb(8 25 45 / 35%),
    rgb(11 29 50 / 38%) 40%,
    transparent 60%,
    rgb(10 25 45 / 55%)
  );
}
#cover-snow {
  z-index: -1;
  width: 100%;
  height: 100%;
}
.cover-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: max(24px, env(safe-area-inset-top)) clamp(24px, 4vw, 72px);
}
.cover-monogram {
  font-size: 13px;
  letter-spacing: 0.24em;
}
.cover-settings,
.cover-settings nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.cover-settings a,
.cover-settings button,
#cover-motion {
  display: grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  background: none;
  border: 0;
  font-size: 12px;
}
.cover-settings a {
  position: relative;
  opacity: 0.9;
}
.cover-settings a[aria-current="true"] {
  opacity: 1;
}
.cover-settings a[aria-current="true"]::after {
  content: "";
  position: absolute;
  bottom: 6px;
  left: 15px;
  right: 15px;
  height: 1px;
  background: currentColor;
}
.cover-settings button {
  font-size: 18px;
}
.cover-divider {
  height: 13px;
  width: 1px;
  background: var(--cover-line);
  margin: 0 8px;
}
.cover-title {
  position: absolute;
  top: 48%;
  left: 50%;
  width: min(720px, 90%);
  transform: translate(-50%, -50%);
  text-align: center;
  animation: title-arrive 1.3s ease both;
  transition:
    opacity 350ms ease,
    translate 650ms ease;
}
.cover-kicker {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.23em;
  margin: 19px 0 0;
  color: var(--cover-muted);
}
.cover-emblem {
  position: relative;
  width: 158px;
  height: 158px;
  margin: 0 auto 31px;
  display: grid;
  place-items: center;
  color: var(--cover-ink);
}
.cover-emblem svg {
  width: 92px;
  height: 92px;
  filter: drop-shadow(0 0 18px rgb(152 217 245 / 18%));
}
.emblem-orbit {
  position: absolute;
  inset: 0;
  border: 1px solid var(--cover-line);
  border-radius: 50%;
}
.emblem-orbit::before,
.emblem-orbit::after {
  content: "";
  position: absolute;
  background: var(--cover-accent);
  width: 12px;
  height: 1px;
  top: 50%;
}
.emblem-orbit::before {
  left: -6px;
}
.emblem-orbit::after {
  right: -6px;
}
.emblem-node {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cover-accent);
  top: -1px;
  box-shadow: 0 0 10px rgb(152 217 245 / 35%);
}
h1 {
  margin: 0;
  font-size: clamp(40px, 4.4vw, 60px);
  font-weight: 400;
  letter-spacing: 0.015em;
  line-height: 1.16;
}
.cover-subtitle {
  color: var(--cover-muted);
  margin: 22px auto 27px;
  max-width: 380px;
  font-size: 15px;
  line-height: 1.9;
  text-wrap: balance;
}
.cover-enter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  min-width: 150px;
  min-height: 50px;
  padding: 10px 15px;
  border-bottom: 1px solid var(--cover-line);
  font-size: 14px;
  letter-spacing: 0.06em;
  transition:
    gap 220ms ease,
    background 220ms ease;
}
.cover-enter:hover {
  gap: 40px;
  background: rgb(220 237 249 / 10%);
}
.enter-arrow {
  font-size: 20px;
  font-weight: 400;
}
.cover-clock {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  width: fit-content;
  min-width: 218px;
  min-height: 58px;
  margin: 16px auto 0;
  padding: 10px 20px;
  border-radius: 19px;
  cursor: default;
}
.cover-clock-zone {
  display: grid;
  gap: 3px;
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.cover-clock-zone small {
  font-size: 8px;
  font-weight: 400;
  letter-spacing: 0.035em;
  opacity: 0.72;
}
.cover-clock time {
  min-width: 8ch;
  font-size: 23px;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.035em;
  line-height: 1.2;
  white-space: nowrap;
}
.cover-copy {
  display: none;
}
html:lang(ko) [data-locale="ko"],
html:lang(ja) [data-locale="ja"],
html:lang(en) [data-locale="en"] {
  display: block;
}
.cover-footer {
  position: absolute;
  bottom: max(30px, env(safe-area-inset-bottom));
  left: clamp(24px, 4vw, 72px);
  right: clamp(24px, 4vw, 72px);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}
.cover-location {
  font-size: 10px;
  letter-spacing: 0.19em;
}
.cover-caption {
  font-size: 12px;
  letter-spacing: 0.025em;
  margin-top: 8px;
}
#cover-motion {
  border: 1px solid var(--cover-line);
  border-radius: 50%;
  font-size: 13px;
}
.cover-fade {
  z-index: 8;
  background: var(--cover-paper);
  opacity: 0;
  transition: opacity 430ms ease 390ms;
}
.is-entering .cover-title,
.is-entering .cover-header,
.is-entering .cover-footer {
  opacity: 0;
}
.is-entering .cover-title {
  translate: 0 -10px;
  animation: none;
}
.cover-header,
.cover-footer {
  transition: opacity 320ms ease;
}
.is-entering .cover-scene {
  transform: scale(1.095);
}
.is-entering .cover-fade {
  opacity: 1;
}
[data-still="true"] .cover-art {
  animation-play-state: paused;
}
[data-still="true"] .cover-parallax {
  transform: none;
}
@keyframes winter-breath {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.027);
  }
}
@keyframes title-arrive {
  from {
    opacity: 0;
    translate: 0 7px;
  }
  to {
    opacity: 1;
    translate: 0 0;
  }
}
@media (max-width: 650px) and (orientation: portrait) {
  .cover {
    min-height: 560px;
  }
  .cover-header {
    padding: max(16px, env(safe-area-inset-top)) 18px;
  }
  .cover-title {
    left: 50%;
    top: 46%;
    width: calc(100% - 36px);
  }
  h1 {
    font-size: clamp(37px, 10vw, 45px);
    letter-spacing: 0.015em;
  }
  .cover-kicker {
    font-size: 8px;
    letter-spacing: 0.21em;
    margin-top: 16px;
  }
  .cover-emblem {
    width: 134px;
    height: 134px;
    margin-bottom: 25px;
  }
  .cover-emblem svg {
    width: 80px;
    height: 80px;
  }
  .cover-subtitle {
    font-size: 13px;
    max-width: 290px;
    margin-top: 18px;
    margin-bottom: 17px;
  }

  .cover-atmosphere {
    background: linear-gradient(
      180deg,
      rgb(225 239 247 / 40%),
      rgb(231 241 248 / 32%) 38%,
      transparent 63%,
      rgb(220 235 247 / 30%)
    );
  }
  .cover-footer {
    bottom: max(22px, env(safe-area-inset-bottom));
  }
}
@media (max-height: 540px) and (orientation: landscape) {
  .cover {
    min-height: 460px;
  }
  .cover-header {
    padding: 8px 24px;
  }
  .cover-title {
    top: 51%;
    left: 50%;
    width: 75%;
  }
  .cover-emblem {
    width: 66px;
    height: 66px;
    margin-bottom: 12px;
  }
  .cover-emblem svg {
    width: 43px;
    height: 43px;
  }
  h1 {
    font-size: 34px;
  }
  .cover-kicker {
    margin: 10px 0 0;
    font-size: 8px;
  }
  .cover-subtitle {
    margin: 12px auto 5px;
    font-size: 12px;
  }
  .cover-enter {
    min-height: 44px;
  }
  .cover-clock {
    min-height: 42px;
    margin-top: 8px;
    padding-block: 5px;
  }
  .cover-clock time {
    font-size: 19px;
  }
  .cover-footer {
    bottom: 14px;
  }
  .cover-caption {
    display: none !important;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
  }
  .cover-parallax,
  .is-entering .cover-scene {
    transform: none;
  }
  .is-entering .cover-title {
    translate: none;
  }
  .cover-fade {
    transition: opacity 100ms linear;
  }
  .cover-enter,
  .cover-title,
  .cover-header,
  .cover-footer {
    transition-duration: 100ms;
  }
  #cover-snow {
    display: none;
  }
}