/* Answer sheet. Base styles, then narrow/short viewport overrides. */
#loading {
  --ink: #292c28;
  --red: #ba3435;
  --school-font: 'Yu Gothic', 'Meiryo', sans-serif;
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e9e9e3;
  color: var(--ink);
  isolation: isolate;
  transform-origin: 50% 0;
  box-shadow: 0 18px 70px #0006;
  overflow: hidden;
}
#loading[hidden] {
  display: none;
}
#loading::before,
#loading::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
#loading::before {
  background:
    linear-gradient(90deg, #9b9e890c, transparent 8%, transparent 92%, #777c6912),
    linear-gradient(0deg, transparent 49.7%, #77795d12 50%, transparent 50.3%);
}
#loading::after {
  opacity: 0.1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
}
.loading-inner {
  width: min(850px, calc(100% - 100px));
  min-height: min(720px, 86svh);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px 0;
  position: relative;
}
.loading-topline {
  display: flex;
  justify-content: flex-end;
  gap: 20px;
  font: 26px/1.6 var(--school-font);
  letter-spacing: 0.02em;
  border-top: 2px solid #44493d99;
  border-bottom: 1px solid #44493d70;
  padding: 12px 25px;
}
.loading-topline b {
  font-weight: 500;
  display: inline-block;
  min-width: 100px;
  margin-left: 14px;
  border-bottom: 1px solid #44493d60;
}
.loading-cover {
  position: relative;
  padding: 115px 30px 45px;
}
.loading-kicker {
  margin: 0 0 24px;
  font: 14px/1.8 var(--school-font);
  letter-spacing: 0.02em;
  color: #474c42;
}
.loading-title {
  font-family: var(--school-font);
  font-weight: 600;
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.55;
  letter-spacing: 0.015em;
  padding: 16px 24px 24px;
  margin: 0;
  border-top: 1px solid #4d554950;
  border-bottom: 1px solid #4d554950;
  background: repeating-linear-gradient(transparent 0 53px, #5b635214 53px 54px);
  transform: rotate(-0.65deg);
  color: #363a32;
}
.loading-grade {
  position: absolute;
  right: 26px;
  top: 16px;
  display: flex;
  align-items: baseline;
  color: var(--red);
  transform: rotate(-9deg);
  font-family: 'Comic Sans MS', 'Segoe Print', cursive;
  pointer-events: none;
}
.loading-grade > span {
  font-size: 68px;
  line-height: 1.2;
  letter-spacing: -0.06em;
  position: relative;
  padding: 0 13px 4px;
  min-width: 2.7em;
  text-align: center;
  box-sizing: border-box;
  font-variant-numeric: tabular-nums;
}
.loading-grade small {
  font: 13px var(--school-font);
  margin-left: 8px;
}
.loading-grade em {
  position: absolute;
  bottom: -22px;
  right: 15px;
  font: 15px var(--school-font);
  letter-spacing: 0.1em;
  font-style: normal;
  border-bottom: 1px solid var(--red);
}
.loading-mark {
  position: absolute;
  right: 40px;
  bottom: 30px;
  width: 130px;
  height: 50px;
  transform: rotate(-8deg);
  overflow: visible;
  fill: none;
  stroke: var(--red);
  stroke-width: 2;
  stroke-linecap: round;
  opacity: 0.85;
}
.loading-bottom {
  width: 100%;
  padding: 0 25px;
  visibility: hidden;
}
#loading.failed .loading-bottom {
  visibility: visible;
}
.loading-status {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  margin-top: 17px;
}
#loading-caption {
  font: 12px/1.8 var(--school-font);
  letter-spacing: 0.015em;
  margin: 0;
  color: #5f5c51;
}
.loading-stage {
  font: 10px/1.8 var(--school-font);
  color: #8a8171;
  margin: 6px 0 0;
  letter-spacing: 0.015em;
  min-height: 18px;
}
#loading-retry {
  display: block;
  margin: 20px 0 0;
  border: 1px solid #817564;
  background: transparent;
  color: #373d33;
  padding: 11px 22px;
  font:
    12px 'Yu Mincho',
    serif;
  cursor: pointer;
}
#loading-retry[hidden] {
  display: none;
}
#loading-retry:focus-visible {
  outline: 2px solid #a43d30;
  outline-offset: 4px;
}
#loading-archive {
  display: block;
  margin: 12px 0 0;
  padding: 10px 0;
  border: 0;
  background: transparent;
  color: #373d33;
  text-decoration: underline;
  font:
    12px 'Yu Gothic',
    sans-serif;
  cursor: pointer;
}
#loading-archive:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 4px;
}
body.room-loading {
  overflow: hidden;
}
body.room-loading > header,
body.room-loading > nav,
body.room-loading > #hint,
body.room-loading > footer {
  visibility: hidden;
}
@media (max-width: 650px) {
  .loading-inner {
    width: calc(100% - 32px);
    min-height: 84svh;
    padding: 10px 0;
  }
  .loading-topline {
    font-size: 20px;
    padding: 11px 14px;
  }
  .loading-topline b {
    min-width: 65px;
    margin-left: 8px;
  }
  .loading-cover {
    padding: 115px 14px 35px;
  }
  .loading-kicker {
    font-size: 11px;
    margin-bottom: 16px;
  }
  .loading-title {
    font-size: clamp(25px, 7.5vw, 40px);
    padding: 17px 12px 24px;
    line-height: 1.7;
  }
  .loading-grade {
    right: 16px;
    top: 20px;
  }
  .loading-grade > span {
    font-size: 52px;
    border-width: 2px;
  }
  .loading-grade small {
    font-size: 10px;
  }
  .loading-grade em {
    font-size: 12px;
    bottom: -17px;
  }
  .loading-mark {
    width: 85px;
    right: 20px;
    bottom: 22px;
  }
  .loading-bottom {
    padding: 0 14px;
  }
  #loading-caption {
    font-size: 10px;
  }
}
@media (max-height: 550px) {
  .loading-inner {
    min-height: 94svh;
    padding: 5px 0;
  }
  .loading-topline {
    font-size: 20px;
    padding: 7px 14px;
  }
  .loading-cover {
    padding: 40px 20px 15px;
  }
  .loading-grade {
    top: 2px;
  }
  .loading-grade > span {
    font-size: 35px;
  }
  .loading-grade em {
    font-size: 10px;
    bottom: -12px;
  }
  .loading-kicker {
    font-size: 10px;
    margin-bottom: 7px;
  }
  .loading-title {
    font-size: 27px;
    line-height: 1.3;
    padding: 9px 16px;
  }
  .loading-mark {
    bottom: 8px;
    width: 65px;
  }
  .loading-bottom {
    padding: 0 20px;
  }
  .loading-status {
    margin-top: 10px;
  }
}

.loading-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  fill: none;
  stroke: var(--red);
  stroke-width: 2;
}
.loading-ring-track {
  opacity: 0.14;
}
.loading-ring-progress {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: center;
  transition: stroke-dashoffset 300ms ease-out;
}
@media (prefers-reduced-motion: reduce) {
  .loading-ring-progress {
    transition: none;
  }
}

.loading-external {
  display: none;
}
#loading.failed .loading-external {
  display: inline-block;
  margin: 16px;
  color: inherit;
}