@charset "utf-8";

/*
  File Name   : concept.css
  Description : conceptページ css
*/

/* sec-concept
============================================================ */
.concept__ttl {
  position: relative;
  padding: 100px 0;
  text-align: center;
  z-index: 0;
}
.concept__ttl:before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 50%;
  width: 100vw;
  height: 100%;
  /* background: #e5f5f2; */
  transform: translateX(-50%);
  z-index: -1;
}
.concept-list__item {
  position: relative;
  padding: 80px 0;
}
.concept-list__item:last-child {
  padding-bottom: 0;
}
.concept-list__item__image {
  max-width: 770px;
}
.concept-list__item__txt {
  padding: 30px;
  color: #33bc9d;
}
.concept-list__item__txt strong {
  font-size: 20px;
}
.concept-list__item:nth-child(even) {
  z-index: 0;
}
.concept-list__item:nth-child(even):before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 50%;
  width: 100vw;
  height: 100%;
  background: #e5f5f2;
  transform: translateX(-50%);
  z-index: -1;
}

@media screen and (min-width: 812px) {
  .concept-list__item__txt {
    position: absolute;
    line-height: 2;
    top: 50%;
    width: 460px;
    background: #fff;
    transform: translateY(-75%);
  }
  .concept-list__item:nth-child(odd) .concept-list__item__txt {
    right: 0;
  }
  .concept-list__item:nth-child(even) .concept-list__item__image {
    margin: 0 0 0 auto;
  }
}

@media screen and (max-width: 811px) {
  .concept__ttl {
    padding: 3rem 0;
  }
  .concept__ttl img {
    width: 50%;
  }
  .concept-list__item {
    padding: 4rem 0;
  }
  .concept-list__item__image {
    max-width: 100%;
  }
  .concept-list__item__txt {
    padding: 0 0 1.5rem;
  }
  .concept-list__item__txt strong {
    font-size: 1.2rem;
  }
}