#mainImg img {
  width: auto;
  max-width: 100%;
}
#mainImg .swiper-slide {
  background-repeat: no-repeat;
  background-position: center;
  background-size: auto 100%;
  padding-top: 1em;
  padding-bottom: 1em;
}

@media (max-width:729px){
  #mainImg .swiper-slide.slide1 {
    background-image: url(/img/chiba-office/slide1-bg-700w.jpg);
  }
  #mainImg .swiper-slide.slide2 {
    background-image: url(/img/chiba-office/slide2-bg-700w.jpg);
  }
  #mainImg .swiper-slide.slide3 {
    background-image: url(/img/chiba-office/slide3-bg-700w.jpg);
  }
} /* Eo max729 */


@media (min-width:730px){
  #mainImg .swiper-slide.slide1 {
    background-image: url(/img/chiba-office/slide1-bg-1000w.jpg);
  }
  #mainImg .swiper-slide.slide2 {
    background-image: url(/img/chiba-office/slide2-bg-1000w.jpg);
  }
  #mainImg .swiper-slide.slide3 {
    background-image: url(/img/chiba-office/slide3-bg-1000w.jpg);
  }
} /* Eo min730 */



/* PNアクティブ色変更 */
.swiper-pagination-bullet-active {
  background: #539EA6 !important;
}

@media (max-width:1039px){
  #mainImg {
      margin-right: calc( ( 50vw - 50% ) * -1 );
      margin-left: calc( ( 50vw - 50% ) * -1 );
      width: 100vw;
  }
} /* Eo max1039 */

@media (min-width:1040px){
  #mainImg .swiper-container {
    width: 100%;
  }
  #mainImg .swiper-slide {
    width: auto;
  }
} /* Eo min1040 */



/* イントロ（concept）
----------------------------------------------- */
#contents div[id$="concept"] {
  margin-top: 2em;
}
#contents div[id$="concept"] h1 {
  color: #333;
}

@media (max-width:729px){
  #contents div[id$="concept"] h1 {
    line-height: 1.2em;
    margin: 0 0 0.5em;
    padding: 0;
    text-shadow: 0 0 0.3em rgba(125, 196, 238, 0.7);
  }
} /* Eo max729 */

@media (min-width:730px){
  #contents div[id$="concept"] h1 {
    border-bottom: 4px #e60033 solid;
    position: relative;
    font-size: 1.8em;
    font-weight: bold;
    text-align: center;
    margin-bottom: 0.5em;
    padding-bottom: 0.3em;
  }
  #contents div[id$="concept"] h1:after {
    background: #CCCCCC;
    content: "";
    height: 4px;
    width: 85%;
    position: absolute;
    bottom: -4px;
    right: 0;
  }
} /* Eo min730 */



/* 支社情報
----------------------------------------------- */
.box .office-name {
  display: flex;
  align-items: center;
  font-size: 1.2em;
  font-weight: bold;
}
.box .office-name:after {
  content: "";
  display: inline-block;
  background-color: #CCC;
  flex: 1;
  margin-left: 1rem;
  height: 1px;
}
.box .office-info ul.info {
  margin-bottom: 2em;
  padding: 0;
}
.box .office-info ul.info li {
  list-style: none;
}
.box .office-info ul.info li + li {
  margin-top: 0.5em;
}

@media (min-width:880px){
    .box .office-wrap {
      display: flex;
      flex-direction: row-reverse;
      justify-content: space-between;
    }
    .box .office-wrap > div {
      width: 48%;
    }
} /* Eo min 880px */


/* 事例（results）
----------------------------------------------- */
#contents .results {
}


/* 対応エリア（support）
----------------------------------------------- */
#contents .support img.img-c {
  margin-bottom: 0;
}
#contents .support .area-list {
  background-color: #999;
  padding: 1em;
}
#contents .support .area-list h3 {
  border: none;
  color: #FFF;
  text-align: center;
}
#contents .support .area-list ul {
  background-color: #FFF;
  padding: 1em;
}
#contents .support .area-list ul li {
  list-style: none;
  display: inline-block;
  margin-right: 2em;
}
#contents .support .area-list ul li a:not(:hover) {
  color: #333;
}