/* c-conceptMainSection */
.c-conceptMainSection {
  padding-bottom: 1.46rem;
}
.c-conceptContainer {
  margin-bottom: 1.36rem;
}


.c-conceptIntro__thumb img {
  width: 100%;
}
.c-conceptIntro__txt p + p {
  margin-top: 0.5rem;
}
.c-conceptVideoThumb {
  cursor: pointer;
}
.c-conceptVideoThumb:before {
  content: '';
  display: block;
  position: absolute;
  inset: 0;
  margin: auto;
  background-image: url('../img/playbtn.png');
  background-size: 100% 100%;

  width: 0.83rem;
  height: 0.83rem;
}
@media screen and (max-width: 779px) {
  .c-conceptMainSection {
    padding-top: 0.28rem;
  }
  .c-conceptIntro__thumb {
    margin-bottom: 0.52rem;
  }
}
@media screen and (min-width: 780px) {
  .c-conceptMainSection {
    padding-bottom: 0.91rem;
  }
  .c-conceptContainer {
    margin-bottom: 2rem;
  }
  .c-conceptIntro {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 0.4rem;
  }
  .c-conceptIntro__thumb {
    margin: 0;
  }
  .c-conceptIntro__txt {
    padding-bottom: 1.17rem;
  }
  .c-conceptIntro__txt p + p {
    margin-top: 0.28rem;
  }
  .c-conceptVideoThumb:before {
    width: 0.8rem;
    height: 0.8rem;
  }
}
/* end c-conceptMainSection */

/* c-conceptFeaturesSection */
.c-conceptFeaturesSection {
  padding-top: 1.46rem;
  padding-bottom: 2.02rem;
}
.c-featuresTitle {
  font-size: 0.48rem;
  margin-bottom: 1.1rem;
}
.c-featuresList >li+li {
  margin-top: 2.56rem;
}
.c-featureItem__thumb {
  row-gap: 0.2rem;
}
.c-featureItem__thumb img {
  width: 100%;
}
.c-featureItem__content h3 {
  font-size: 0.4rem;
  line-height: 1.59;
  margin-bottom: 0.3rem;
}

@media screen and (max-width: 779px) {
  .c-featureItem__thumb {
    margin-bottom: 0.74rem;
  }
}
@media screen and (min-width: 780px) {
  .c-conceptFeaturesSection {
    padding-top: 1.57rem;
    padding-bottom: 1.92rem;
  }
  .c-featuresTitle {
    font-size: 0.28rem;
    margin-bottom: 1.01rem;
  }
  .c-featuresList >li+li {
    margin-top: 1.77rem;
  }
  
  .c-featureItem {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.4rem;
  }

  .c-featureItem__content {
    padding-left: 0.81rem;
    padding-right: 0;
  }
  .c-featuresList >li:nth-child(2n) .c-featureItem .c-featureItem__content {
    /* reverse column order */
    order: -1;
    padding-right: 0.81rem;
    padding-left: 0;
  }
  
  .c-featureItem__content h3 {
    font-size: 0.24rem;
    line-height: 1.75;
    margin-bottom: 0.28rem;
  }
}
/* end c-conceptFeaturesSection */