.introductionSect__head {
  margin: 0 auto;
  text-align: center;
}

@media screen and (min-width: 768px) {
  .introductionSect__head {
    width: 886px;
  }
}

@media print, screen and (min-width: 768px) and (max-width: 1200px) {
  .introductionSect__head {
    width: 100%;
  }
}

@media screen and (max-width: 768px) {
  .introductionSect__head .heading {
    font-size: calc(40 / 750 * 100vw);
  }
}

@media screen and (min-width: 768px) {
  .introductionSect__head .pageTtl + .heading {
    margin-top: 58px;
  }
}

@media screen and (max-width: 768px) {
  .introductionSect__head .pageTtl + .heading {
    margin-top: calc(78 / 750 * 100vw);
  }
}

@media screen and (min-width: 768px) {
  .introductionSect__head + .introductionSect__cont {
    margin-top: 56px;
  }
}

@media screen and (max-width: 768px) {
  .introductionSect__head + .introductionSect__cont {
    margin-top: calc(56 / 750 * 100vw);
  }
}

@media screen and (min-width: 768px) {
  .introductionSect__cont {
    padding: 0 30px;
  }
}

@media screen and (max-width: 768px) {
  .introductionSect__cont {
    margin-left: -20px;
    margin-right: -20px;
  }
}

.introductionSect__cont iframe {
  background-color: #ffffff;
}

@media screen and (min-width: 768px) {
  .introductionSect__cont iframe {
    height: 1100px;
  }
}

@media screen and (max-width: 768px) {
  .introductionSect__cont iframe {
    height: 1500px;
  }
}

.outlineLogo {
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

@media screen and (min-width: 768px) {
  .outlineLogo {
    margin: 60px auto 0;
    width: 1000px;
  }
}

@media screen and (max-width: 768px) {
  .outlineLogo {
    margin: 50px auto 0;
    padding: 0 20px;
    width: 100%;
  }
}

@media screen and (min-width: 768px) {
  .outlineLogo__item {
    text-align: left;
    width: 33.333%;
  }
}

@media screen and (min-width: 768px) {
  .outlineLogo__item:nth-of-type(n+4) {
    margin-top: 40px;
  }
}

@media screen and (max-width: 768px) {
  .outlineLogo__item:not(:last-of-type) {
    margin-bottom: 60px;
  }
}

.outlineLogo__image--mitsubishi {
  width: 285px;
}

.outlineLogo__image--tokyu {
  width: 266px;
}

@media screen and (min-width: 768px) {
  .outline-introduction {
    padding: 200px 0 140px;
  }
}

@media screen and (max-width: 768px) {
  .outline-introduction {
    padding: calc(240 / 750 * 100vw) 0 calc(200 / 750 * 100vw);
  }
}