@keyframes btnOnTop {
  0% {
    top: -1rem;
    transform: rotate(0deg);
  }
  75% {
    top: 0;
    transform: rotate(0deg);
  }
  100% {
    top: 0;
    transform: rotate(45deg);
  }
}
@keyframes btnOnBottom {
  0% {
    top: 1rem;
    transform: rotate(0deg);
  }
  75% {
    top: 0;
    transform: rotate(0deg);
  }
  100% {
    top: 0;
    transform: rotate(-45deg);
  }
}
@keyframes btnOffTop {
  0% {
    top: 0;
    transform: rotate(45deg);
  }
  25% {
    top: 0;
    transform: rotate(0deg);
  }
  100% {
    top: -1rem;
    transform: rotate(0deg);
  }
}
@keyframes btnOffBottom {
  0% {
    top: 0;
    transform: rotate(-45deg);
  }
  25% {
    top: 0;
    transform: rotate(0deg);
  }
  100% {
    top: 1rem;
    transform: rotate(0deg);
  }
}
@keyframes mmfadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes mmfadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}
@keyframes mmslideIn {
  from {
    transform: translateY(15%);
  }
  to {
    transform: translateY(0);
  }
}
@keyframes mmslideOut {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-10%);
  }
}
/*--------------------
number
---------------------*/
/*--------------------
area
---------------------*/
.main {
  padding-top: 7.8rem;
}
@media screen and (min-width: 750px) {
  .main {
    padding-top: 11.2rem;
  }
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 3rem;
  margin-left: 1.6rem;
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.06em;
}
@media screen and (min-width: 750px) {
  .breadcrumb {
    margin-bottom: 6.5rem;
    margin-left: 9rem;
  }
}

.breadcrumb__link {
  color: #ccc;
}

.breadcrumb__arrow {
  width: 0.5rem;
  height: 0.5rem;
  border-top: 1px solid #ccc;
  border-right: 1px solid #ccc;
  transform: rotate(45deg);
}

.article__inner {
  padding: 0 2.5rem 3rem;
}
@media screen and (min-width: 750px) {
  .article__inner {
    margin: 0 auto 7rem;
    padding: 0;
    width: 100rem;
  }
}

.article__top {
  margin-bottom: 2rem;
}
@media screen and (min-width: 750px) {
  .article__top {
    margin-bottom: 4.5rem;
  }
}

.article__tags {
  margin-bottom: 1rem;
}

.article__tag {
  padding: 0.5rem 0.8rem;
  background: #f4f4f4;
  color: #777777;
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  border-radius: 0.4rem;
  pointer-events: none;
}

.article__tag.-model {
  background: #53595D;
  color: #fff;
}

.article__tag.-event {
  background: #E10000;
  color: #fff;
}

.article__date {
  display: flex;
  align-items: center;
  gap: 0.57rem;
  margin-bottom: 2rem;
  color: #575A6A;
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.1em;
}
@media screen and (min-width: 750px) {
  .article__date {
    margin-bottom: 3rem;
  }
}

.article__date::before {
  content: "";
  display: block;
  width: 1.7rem;
  height: 1.7rem;
  background: url(../images/common/icon_calendar.png) center center/contain no-repeat;
}

.article__ttl {
  font-family: "Shippori Mincho", serif;
  font-optical-sizing: auto;
  font-weight: 700;
  font-size: 2.3rem;
  font-weight: 700;
  letter-spacing: 0.24em;
}
@media screen and (min-width: 750px) {
  .article__ttl {
    font-size: 3rem;
  }
}

.article__content-thumb {
  margin-bottom: 3rem;
  width: 100%;
}

.article__content-event:last-of-type {
  margin-bottom: 2.45rem;
  border-bottom: 1px solid #707070;
}
@media screen and (min-width: 750px) {
  .article__content-event:last-of-type {
    margin-bottom: 3rem;
  }
}

.article-model__swiper {
  margin-bottom: 1.6rem;
}
@media screen and (min-width: 750px) {
  .article-model__swiper {
    margin-bottom: 3.2rem;
  }
}

.article__swiper-container {
  position: relative;
}

.article__event_img {
  margin-bottom: 3rem;
}
@media screen and (min-width: 750px) {
  .article__event_img {
    margin-bottom: 6rem;
  }
}
.article__event_img-pic img {
  width: 100%;
  height: auto;
  aspect-ratio: 5/3;
  -o-object-fit: cover;
     object-fit: cover;
}

.article-model__slide-pic {
  height: 22.3rem;
}
@media screen and (min-width: 750px) {
  .article-model__slide-pic {
    height: 60rem;
  }
}

.article-model__slide-pic img {
  height: 100%;
  -o-object-fit: contain;
     object-fit: contain;
}

.article-model__swiper-button {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 111%;
  z-index: 1;
  transform: translate(-50%, -50%);
}
@media screen and (min-width: 750px) {
  .article-model__swiper-button {
    width: 116%;
  }
}

.article-model__swiper-button-prev,
.article-model__swiper-button-next {
  width: 3.2rem;
  height: 3.2rem;
  background: url(../images/common/arrow_circle-g.png) center center/contain no-repeat;
  opacity: 0.7;
  cursor: pointer;
}
@media screen and (min-width: 750px) {
  .article-model__swiper-button-prev,
  .article-model__swiper-button-next {
    width: 5.4rem;
    height: 5.4rem;
  }
}

.article-model__swiper-button-prev {
  transform: rotate(180deg);
}

.article-model__thumbnail {
  margin-bottom: 3rem;
}
@media screen and (min-width: 750px) {
  .article-model__thumbnail {
    margin-bottom: 6rem;
  }
}

.article-model__thumbnail-slide-box {
  width: 3.7rem;
  height: 3.7rem;
  cursor: pointer;
}
@media screen and (min-width: 750px) {
  .article-model__thumbnail-slide-box {
    width: 6.4rem;
    height: 6.4rem;
  }
}

.article-model__thumbnail-slide-pic {
  width: 100%;
  height: 100%;
}

.article-model__thumbnail-slide-pic img {
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}

.article__content-ttl {
  margin-bottom: 2rem;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.65;
}
@media screen and (min-width: 750px) {
  .article__content-ttl {
    margin-bottom: 3rem;
    font-size: 2rem;
  }
}

.article__content-txt {
  margin-bottom: 3rem;
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  line-height: 1.7;
}
@media screen and (min-width: 750px) {
  .article__content-txt {
    margin-bottom: 4rem;
  }
}

.article__content-container {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3.05rem;
}
@media screen and (min-width: 750px) {
  .article__content-container {
    flex-direction: row;
    margin-bottom: 5rem;
  }
}

.article__content-box {
  flex: 1;
}

.article__content-pic {
  width: 32rem;
  height: 22.3rem;
  margin-bottom: 1.2rem;
}
@media screen and (min-width: 750px) {
  .article__content-pic {
    width: 100%;
    margin-bottom: 1.5rem;
  }
}

.article__content-pic img {
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}

.article__content-explanation {
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  line-height: 1.8;
}

.article__info {
  margin-bottom: 2.45rem;
  padding: 3.05rem 0 2.95rem;
  border-top: 1px solid #707070;
  border-bottom: 1px solid #707070;
}
@media screen and (min-width: 750px) {
  .article__info {
    display: flex;
    padding: 4.85rem 0 4.05rem;
    gap: 14rem;
    margin-bottom: 4rem;
  }
}

.article__info-ttl {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
@media screen and (min-width: 750px) {
  .article__info-ttl {
    flex-shrink: 0;
  }
}

@media screen and (min-width: 750px) {
  .article__info-container {
    width: 100%;
  }
}

.article__info-dl {
  display: flex;
  padding: 1.6rem 0;
  border-bottom: 1px solid #cccccc;
}

@media screen and (min-width: 750px) {
  .article__info-dl:first-of-type {
    padding: 0 0 1.6rem;
  }
}

.article__info-list {
  flex-shrink: 0;
  width: 7.6rem;
  font-size: 1.4rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
}

.article__info-item {
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  line-height: 1.6;
}

.article__info-map {
  padding: 0.5rem 0.8rem;
  background: #f4f4f4;
  color: #626262;
  font-size: 1rem;
  letter-spacing: 0.01em;
  border-radius: 5rem;
}

.article__info-btn {
  width: -moz-fit-content;
  width: fit-content;
  margin: 0 auto 3rem;
  font-size: 1.4rem;
  letter-spacing: 0.1em;
}
@media screen and (min-width: 750px) {
  .article__info-btn {
    margin-bottom: 7rem;
  }
}

.article__info-link {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}
@media screen and (min-width: 750px) {
  .article__info-link {
    width: -moz-fit-content;
    width: fit-content;
    margin-left: auto;
  }
}

.article__info-link::after {
  content: "";
  display: block;
  width: 3.7rem;
  height: 3.7rem;
  background: url(../images/common/arrow_circle-b.png) center center/contain no-repeat;
}