@media (max-width: 834px) {
  .tieup .l-main {
    min-height: calc(100svh - 226px);
  }
}

.tieup__content {
  max-width: 880px;
}
.tieup__content.-index {
  max-width: 100%;
}
@media (max-width: 834px) {
  .tieup__content.-index {
    padding: 0 30px 120px;
  }
}
@media (max-width: 834px) {
  .tieup__content {
    padding: 0 30px 75px;
  }
}
@media (min-width: 835px) {
  .tieup__content {
    margin: 0 auto;
    padding: 45px 0 130px;
  }
}

.tieup__subttl {
  line-height: 1;
  padding-bottom: 10px;
  position: relative;
}
@media (max-width: 834px) {
  .tieup__subttl {
    font-size: 1.8125rem;
  }
}
@media (min-width: 835px) {
  .tieup__subttl {
    font-size: 2.5rem;
  }
}
.tieup__subttl:after {
  position: absolute;
  left: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.2);
  clip-path: inset(0 100% 0 0);
  content: "";
  display: block;
  height: 2px;
  transition: all 0.5s cubic-bezier(0.785, 0.135, 0.15, 0.86);
  width: 100%;
}
.-ready .tieup__subttl:after {
  clip-path: inset(0 0 0 0);
}

.tieup__back {
  color: #fff;
  text-align: center;
}
@media (max-width: 834px) {
  .tieup__back {
    margin: 75px 0 0;
  }
}
@media (min-width: 835px) {
  .tieup__back {
    margin: 130px 0 0;
  }
}

.tieup__back__button {
  display: block;
  line-height: 1;
  margin: 0 auto;
  position: relative;
}
@media (max-width: 834px) {
  .tieup__back__button {
    width: 110px;
  }
}
@media (min-width: 835px) {
  .tieup__back__button {
    width: 118px;
  }
}
.tieup__back__button::before {
  position: absolute;
  top: 57%;
  border-left: 2px solid #fff;
  border-top: 2px solid #fff;
  content: "";
  transform: translateY(-50%) rotate(-45deg);
}
@media (max-width: 834px) {
  .tieup__back__button::before {
    height: 11px;
    left: -15px;
    top: 56%;
    width: 11px;
  }
}
@media (min-width: 835px) {
  .tieup__back__button::before {
    height: 11px;
    left: -15px;
    width: 11px;
  }
}
.tieup__back__button::after {
  position: absolute;
  left: 0;
  bottom: 0;
  background: #fff;
  content: "";
  display: block;
  height: 1px;
  transform-origin: left;
  width: 100%;
}
@media (max-width: 834px) {
  .tieup__back__button::after {
    bottom: -5px;
  }
}
@media (min-width: 835px) {
  .tieup__back__button::after {
    bottom: -7px;
  }
}
.tieup__back__button:hover::after {
  animation: lineMove 0.5s 0s forwards;
}

@keyframes lineMove {
  0% {
    transform: scaleX(0);
  }
  100% {
    transform: scaleX(1);
  }
}
.tieup__content__list {
  display: grid;
  gap: min(3.33vw, 64px);
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 834px) {
  .tieup__content__list {
    gap: 8.33vw;
    grid-template-columns: repeat(1, 1fr);
  }
}

.tieup__content__item {
  transition: all 0.3s ease;
}
@media (min-width: 835px) {
  .tieup__content__item:hover {
    opacity: 0.7;
  }
}
.tieup__content__item .banner_block {
  display: block;
}
.tieup__content__item .banner_block img {
  clip-path: inset(0 100% 0 0);
  max-width: initial;
  transition: all 0.5s 0.1s cubic-bezier(0.785, 0.135, 0.15, 0.86);
  width: 100%;
}
.-ready .tieup__content__item .banner_block img {
  clip-path: inset(0 0 0 0);
}
.tieup__content__item .banner_block h4 {
  color: #fff;
  font-weight: 500;
  margin-top: 10px;
}
@media (max-width: 834px) {
  .tieup__content__item .banner_block h4 {
    font-size: 0.8125rem;
  }
}
@media (min-width: 835px) {
  .tieup__content__item .banner_block h4 {
    font-size: 0.875rem;
    margin-top: 16px;
  }
}
.tieup__content__item .banner_block .date {
  color: #959595;
}
@media (max-width: 834px) {
  .tieup__content__item .banner_block .date {
    font-size: 0.9375rem;
  }
}
@media (min-width: 835px) {
  .tieup__content__item .banner_block .date {
    font-size: 1rem;
  }
}