@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500&display=swap');

.webp section.introduce {
  width: 100%;
  height: 80rem;
  padding-top: 7rem;
  overflow: hidden;
  background-image: url(../webp/background/bg_introduce-PC.webp);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top center;
  position: relative;
  margin-bottom: 8rem;
}

.no-webp section.introduce {
  width: 100%;
  height: 80rem;
  padding-top: 6rem;
  overflow: hidden;
  background-image: url(../webp/background/bg_introduce-PC.webp);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top center;
}

section.introduce .introduce_title {
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

section.introduce .introduce_title .italic {
  font-style: normal;
  font-weight: 700;
  font-size: 7.2rem;
  line-height: 140%;
  letter-spacing: 0.2rem;
  color: var(--white);
  text-shadow: 0 0.1rem 0.2rem rgba(0, 0, 0, 0.1),
    0 0.1rem 0.3rem rgba(0, 0, 0, 0.1);
  transform: matrix(0.99, 0, -0.16, 1, 0, 0);
}

section.introduce .introduce_title .normal {
  font-style: normal;
  font-weight: 700;
  font-size: 4.8rem;
  line-height: 140%;
  color: var(--white);
  text-shadow: 0 0.1rem 0.2rem rgba(0, 0, 0, 0.1),
    0 0.1rem 0.3rem rgba(0, 0, 0, 0.1);
  transform: matrix(0.99, 0, -0.16, 1, 0, 0);
}

section.introduce .introduce_title img {
  max-width: 1000px;
  width: 100%;
}

section.introduce .desc {
  font-family: 'Oswald', sans-serif;
  width: 100%;
  max-width: 52.5rem;
  font-style: normal;
  font-size: 23.76px;
  line-height: 220%;
  text-align: center;
  color: var(--white);
  /* border-top: 0.1rem solid var(--white);
  border-bottom: 0.1rem solid var(--white); */
  /* padding: 1.6rem 0; */
  margin: 0 auto 2.8rem;
  letter-spacing: 0.05em;
}

section.introduce .activity {
  width: 100%;
  max-width: 35.6rem;
  margin: 0 auto;
}

section.introduce .activity .btn-activity {
  display: block;
  width: 100%;
  height: 7.2rem;
  background-image: url(../images/icons/ic_arrow-right-g.svg);
  background-repeat: no-repeat;
  background-position: calc(100% - 2.6rem) center;
  background-size: 2rem;
  background-color: var(--white);
  border: 0.3rem solid var(--green);
  border-radius: 1rem;
  color: var(--green);
  font-weight: 700;
  font-size: 2rem;
  line-height: 2.6rem;
  text-align: center;
  padding: 2rem 0;
  transition: 0.4s all;
}

section.introduce .activity .btn-activity:hover {
  color: var(--white);
  background-color: var(--green);
  background-image: url(../images/icons/ic_arrow-right-w.svg);
}

@media screen and (max-width: 1366px) {
  .webp section.introduce {
    background-image: url(../webp/background/bg_introduce-PC.webp);
    height: 60rem;
  }

  .no-webp section.introduce {
    background-image: url(../webp/background/bg_introduce-PC.webp);
    height: 60rem;
  }

  section.introduce .introduce_title img {
    max-width: 797px;
  } 
}

@media screen and (max-width: 767px) {

  .webp section.introduce {
    padding-top: 8rem;
    background-position: bottom center;
    margin-bottom: 4rem;
  }

  .no-webp section.introduce {
    padding-top: 5rem;
    background-position: left;
    background-image: url(../webp/background/bg_introduce-SP.jpg);
  }

  section.introduce .introduce_title {
    flex-direction: column;
    align-items: center;
  }

  section.introduce .introduce_title .italic {
    font-size: 5.6rem;
  }

  section.introduce .introduce_title .normal {
    font-size: 3rem;
    letter-spacing: 0.03em;
  }
  section.introduce .introduce_title img {
    padding: 0 10px;
  }
  section.introduce .desc {
    font-size: 1.5rem;
    margin-top: 1rem;
    margin-bottom: 2rem;
  }

  
  section.introduce .activity {
    max-width: 32.8rem;
  }
}

@media screen and (max-width: 375px) {
    .webp section.introduce {
    background-image: url(../webp/background/bg_introduce-SP@2x.webp);
  }
}