/* ===============================================================================
AI
=============================================================================== */
/* ai-section
========================= */
/* ai-sec-1 */
.ai-sec-1 {
  padding-top: 4px;
}
.ai-sec-1 .blks-1 {
  background: url("../img/cmn/cmn_bg01.jpg") no-repeat center center/cover;
  padding: 26px 0 24px;
}
.ai-sec-1 .blks-1 .heading {
  margin-bottom: 20px;
}
.ai-sec-1 .blks-1 .list {
  height: 355px;
  position: relative;
}
.ai-sec-1 .blks-1 .list__item:nth-child(1) {
  width: 208px;
  height: 208px;
  top: 120px;
  left: -42px;
}
.ai-sec-1 .blks-1 .list__item:nth-child(2) {
  width: 156px;
  height: 156px;
  top: 5px;
  left: 808px;
}
.ai-sec-1 .blks-1 .list__item:nth-child(3) {
  width: 202px;
  height: 202px;
  top: 136px;
  left: 238px;
}
.ai-sec-1 .blks-1 .list__item:nth-child(4) {
  top: 9px;
  left: 413px;
  width: 192px;
  height: 192px;
}
.ai-sec-1 .blks-1 .list__item:nth-child(5) {
  top: 97px;
  left: 608px;
  width: 208px;
  height: 208px;
}
.ai-sec-1 .blks-1 .list__item:nth-child(6) {
  top: 0;
  left: 139px;
  width: 160px;
  height: 160px;
}
.ai-sec-1 .blks-1 .list__item:nth-child(7) {
  top: 166px;
  left: 880px;
  width: 188px;
  height: 188px;
}
.ai-sec-1 .blks-2 {
  padding: 110px 0 64px;
  position: relative;
}
.ai-sec-1 .blks-2::before {
  position: absolute;
  content: "";
  display: block;
  top: 20px;
  left: 0;
  right: 0;
  margin: 0 auto;
  width: 183px;
  height: 59px;
  background: url("../img/cmn/cmn_arr01.png") no-repeat 0 0/100% 100%;
}
.ai-sec-1 .blks-2 .heading {
  text-align: center;
  margin-bottom: 19px;
}
@media screen and (max-width: 768px) {
  .ai-sec-1 {
    padding-top: 1px;
  }
  .ai-sec-1 .blks-1 {
    background: #003555 url("../img/cmn/cmn_bg01_sp.jpg") no-repeat center top/100% auto;
    padding: 16px 0 22px;
    position: relative;
  }
  .ai-sec-1 .blks-1::after {
    position: absolute;
    content: "";
    display: block;
    top: 0;
    left: 0;
  }
  .ai-sec-1 .blks-1 .heading {
    margin-bottom: 22px;
  }
  .ai-sec-1 .blks-1 .listWrap {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
  .ai-sec-1 .blks-1 .list {
    height: auto;
  }
  .ai-sec-1 .blks-1 .list__item {
    min-height: 60px;
  }
  .ai-sec-1 .blks-2 {
    padding: 42px 0 26px;
  }
  .ai-sec-1 .blks-2::before {
    top: 6px;
    width: 92px;
    height: 30px;
  }
  .ai-sec-1 .blks-2 .heading {
    margin-bottom: 7px;
  }
}