.section {
  width: 100%;
}
.section__inner {
  width: 100%;
  margin: 0 auto;
  max-width: calc(100% - 8vw);
}
@media screen and (min-width: 768px) {
  .section__inner {
    max-width: 69.4444444444vw;
  }
}
@media screen and (min-width: 1440px) {
  .section__inner {
    max-width: 1000px;
  }
}

.keyvisual {
  width: 100%;
}
.keyvisual__swiper {
  position: relative;
  width: 100%;
}
.keyvisual__list {
  width: 100%;
}
.keyvisual__item {
  width: 100%;
  height: 66.6666666667vw;
  overflow: hidden;
}
@media screen and (min-width: 768px) {
  .keyvisual__item {
    height: auto;
    aspect-ratio: 1280/460;
  }
}
.keyvisual__item img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  height: auto;
  object-fit: cover;
}
.keyvisual__title {
  position: absolute;
  font-size: 2.5rem;
  text-align: center;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  transition: 0.3s;
  color: #333333;
}
.keyvisual__title .keyvisual__red {
  color: #FF0000;
}
@media screen and (min-width: 768px) {
  .keyvisual__title {
    font-size: 6.5rem;
  }
}
.keyvisual__title--white {
  transition: 0.3s;
  color: #ffffff;
}
.keyvisual__title--white .keyvisual__red {
  color: #ffffff;
}
.keyvisual__title--black {
  transition: 0.3s;
  color: #333333;
}
.keyvisual__title--black .keyvisual__red {
  color: #FF0000;
}

.about {
  width: 100%;
  padding: 9.3333333333vw 0 6.6666666667vw;
}
@media screen and (min-width: 768px) {
  .about {
    padding: 2.4305555556vw 0 1.7361111111vw;
  }
}
@media screen and (min-width: 1440px) {
  .about {
    padding: 35px 0 25px;
  }
}
.about__lead {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 6.6666666667vw;
}
@media screen and (min-width: 768px) {
  .about__lead {
    font-size: 2.2rem;
    margin-bottom: 1.7361111111vw;
  }
}
@media screen and (min-width: 1440px) {
  .about__lead {
    margin-bottom: 25px;
  }
}
.about__lead span {
  color: #FF0000;
}
.about__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.6666666667vw;
  margin-bottom: 8vw;
}
@media screen and (min-width: 768px) {
  .about__list {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.3888888889vw;
    margin-bottom: 2.7777777778vw;
  }
}
@media screen and (min-width: 1440px) {
  .about__list {
    gap: 20px;
    margin-bottom: 40px;
  }
}
.about__item {
  display: flex;
  flex-direction: column;
}
.about__img {
  width: 100%;
  height: 26.6666666667vw;
  overflow: hidden;
}
@media screen and (min-width: 768px) {
  .about__img {
    height: 16.0416666667vw;
  }
}
@media screen and (min-width: 1440px) {
  .about__img {
    height: 231px;
  }
}
.about__img img {
  width: 100%;
  height: auto;
  margin-top: -15%;
}
@media screen and (min-width: 768px) {
  .about__img img {
    margin-top: 0;
  }
}
.about__container {
  flex-grow: 1;
  background-color: #E4E4E4;
  padding: 2.6666666667vw;
}
@media screen and (min-width: 768px) {
  .about__container {
    padding: 1.0416666667vw 0.3472222222vw 1.3888888889vw;
  }
}
@media screen and (min-width: 1440px) {
  .about__container {
    padding: 15px 5px 20px;
  }
}
.about__title {
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1.3333333333vw;
}
@media screen and (min-width: 768px) {
  .about__title {
    font-size: 1.8rem;
    margin-bottom: 0.6944444444vw;
  }
}
@media screen and (min-width: 1440px) {
  .about__title {
    margin-bottom: 10px;
  }
}
.about__text {
  font-size: 1.4rem;
  font-weight: 400;
}
@media screen and (min-width: 768px) {
  .about__text {
    font-size: 1.6rem;
  }
}
.about__explanation {
  font-size: 1.6rem;
  font-weight: 400;
}
@media screen and (min-width: 768px) {
  .about__explanation {
    font-size: 1.8rem;
  }
}

.link {
  width: 100%;
  padding-bottom: 10.6666666667vw;
}
@media screen and (min-width: 768px) {
  .link {
    padding-bottom: 2.7777777778vw;
  }
}
@media screen and (min-width: 1440px) {
  .link {
    padding-bottom: 40px;
  }
}
.link__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.6666666667vw;
}
@media screen and (min-width: 768px) {
  .link__list {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.3888888889vw;
  }
}
@media screen and (min-width: 1440px) {
  .link__list {
    gap: 20px;
  }
}
.link__item a {
  width: 100%;
  height: 100%;
  transition: 0.5s;
}
.link__item:hover .link__img img {
  filter: brightness(0.8);
  transition: 0.5s;
}
.link__item:hover .link__more {
  filter: brightness(1);
  opacity: 1;
  transition: 0.5s;
  bottom: 10%;
}
.link__img {
  position: relative;
  width: 100%;
  box-shadow: 1.3333333333vw 1.3333333333vw 1.3333333333vw rgba(0, 0, 0, 0.16);
  margin-bottom: 2.6666666667vw;
}
@media screen and (min-width: 768px) {
  .link__img {
    box-shadow: 0.3472222222vw 0.3472222222vw 0.3472222222vw rgba(0, 0, 0, 0.16);
    margin-bottom: 1.0416666667vw;
  }
}
@media screen and (min-width: 1440px) {
  .link__img {
    box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.16);
    margin-bottom: 15px;
  }
}
.link__img img {
  width: 100%;
  height: auto;
}
.link__more {
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  font-size: 2rem;
  width: 50.1333333333vw;
  bottom: 0%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  background-color: rgba(255, 255, 255, 0.48);
  box-sizing: border-box;
  border: 0.2666666667vw solid rgba(112, 112, 112, 0.48);
  border-radius: 13.3333333333vw;
  padding: 2.6666666667vw;
}
@media screen and (min-width: 768px) {
  .link__more {
    width: 13.0555555556vw;
    border: 0.0694444444vw solid rgba(112, 112, 112, 0.48);
    border-radius: 3.4722222222vw;
    padding: 0.6944444444vw;
  }
}
@media screen and (min-width: 1440px) {
  .link__more {
    width: 188px;
    border: 1px solid rgba(112, 112, 112, 0.48);
    border-radius: 50px;
    padding: 10px;
  }
}
.link__subtitle {
  font-size: 1.6rem;
  font-weight: 700;
  text-align: center;
}
@media screen and (min-width: 768px) {
  .link__subtitle {
    ont-size: 1.8rem;
  }
}