.single-section {
  position: relative;
}

.single-key {
  position: relative;
}
.single-key-visual {
  width: 100%;
  height: calc(100vh - 3.125rem);
  overflow: hidden;
}
.single-key-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  margin: auto;
}
.single-key__head {
  position: absolute;
  left: 1.25rem;
  bottom: 1.875rem;
  width: 17.5rem;
  padding: 2.5rem 1.25rem;
  background-color: rgba(255, 255, 255, 0.75);
  z-index: 50;
}
.single-key__head .button__area {
  justify-content: flex-start;
  margin-top: 2.5rem;
}
@media screen and (min-width: 1100px) {
  .single-key__head .button__area {
    position: absolute;
    left: 0;
    margin: 0;
    bottom: 2.75rem;
  }
}
.single-key__label {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-direction: row;
  font-family: goldwingrotesk-semibold, noto-sans-cjk-jp, Helvetica Neue, Arial, sans-serif;
  font-weight: 600;
  width: 8.5625rem;
  height: 2.3125rem;
  padding: 0 0.5rem;
  font-size: 0.625rem;
  line-height: 1.1;
  position: relative;
  margin-bottom: 2.5rem;
}
@media screen and (min-width: 1100px) {
  .single-key__label {
    width: 12.375rem;
    height: 3.3125rem;
    padding: 0 0.75rem;
    font-size: 0.75rem;
    line-height: 1.25;
    margin-bottom: 8.125rem;
  }
}
.single-key__labelTerm {
  opacity: 0;
  animation: fade-animation 0.8s cubic-bezier(0.215, 0.61, 0.355, 1) 1s 1;
  animation-fill-mode: forwards;
}
.single-key__labelLine {
  width: 8.5625rem;
  height: 2.3125rem;
  position: absolute;
  inset: 0;
}
@media screen and (min-width: 1100px) {
  .single-key__labelLine {
    width: 12.375rem;
    height: 3.3125rem;
  }
}
.single-key__labelLine svg {
  width: 100%;
  height: 100%;
  fill: transparent;
  stroke: currentColor;
  stroke-width: 1px;
}
@media screen and (min-width: 1100px) {
  .single-key__labelLine svg {
    stroke-dasharray: 1000;
    stroke-dashoffset: 1000;
    animation: line-animation 3s linear 1s 1;
    animation-fill-mode: forwards;
  }
}
.single-key__series {
  font-family: goldwingrotesk-regular, noto-sans-cjk-jp, Helvetica Neue, Arial, sans-serif;
  font-weight: 400;
  font-size: 0.9375rem;
  line-height: 1.3333333333;
}
@media screen and (min-width: 1100px) {
  .single-key__series {
    font-size: 0.875rem;
    line-height: 1;
  }
}
.single-key__term {
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.35;
  margin-top: 0.9375rem;
}
@media screen and (min-width: 1100px) {
  .single-key__term {
    width: 100%;
    font-size: 1.5625rem;
    line-height: 1.28;
    margin-top: 1.25rem;
  }
}
.single-key__date {
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1.5;
  margin-top: 1.875rem;
  white-space: nowrap;
}
@media screen and (min-width: 1100px) {
  .single-key__date {
    font-size: 1.3125rem;
    line-height: 1.4761904762;
    margin-top: 1.25rem;
  }
}
.single-key__day {
  font-weight: 700;
  font-size: 0.625rem;
}
@media screen and (min-width: 1100px) {
  .single-key__day {
    font-size: 0.8125rem;
  }
}
.single-key__place {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-direction: row;
  gap: 0.375rem;
  font-weight: 700;
  font-size: 0.8125rem;
  line-height: 1.4615384615;
  margin-top: 0.9375rem;
}
@media screen and (min-width: 1100px) {
  .single-key__place {
    margin-top: 0.9375rem;
  }
}
.single-key__placeIcon {
  display: block;
  width: 0.75rem;
  height: 1rem;
  line-height: 1rem;
}
.single-key__placeIcon svg {
  fill: #003C5A;
  width: 100%;
  height: 100%;
}
.single-key-tag {
  display: flex;
  justify-content: flex-start;
  align-items: stretch;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin-top: 0.9375rem;
}
@media screen and (min-width: 1100px) {
  .single-key-tag {
    gap: 0.5rem 1.25rem;
    margin-top: 2.5rem;
  }
}
.single-key-tag__item {
  text-decoration: underline;
  text-underline-offset: 0.3125rem;
  font-weight: 700;
  font-size: 0.75rem;
  line-height: 1.5;
}
.single-key-tag__item::before {
  content: "#";
}
.single-key__credit {
  font-weight: 700;
  font-size: 0.75rem;
  margin-top: 0.9375rem;
}
@media screen and (min-width: 1100px) {
  .single-key__credit {
    margin-top: 2.5rem;
  }
}

@keyframes fade-animation {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes line-animation {
  0% {
    stroke-dashoffset: 1000;
  }
  25% {
    stroke-dashoffset: 600;
  }
  50% {
    stroke-dashoffset: 200;
  }
  75% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 0;
  }
}