.content-article {
  border-top: solid 1px #ddd;
}


.ttl-lv4 {
  font-size: 28px;
  color: #000;
}

.ttl-lv4::before {
  background: #ff0000;
}

.content-section_inr{
  padding: 0 40px;
}

section.content-section.content1 .ttl-lv4 {
  margin-top: 60px;
}

/* ====== header ======= */

#product--rotating_machinery--motor__synchronous {
  background: url(/img/product/rotating_machinery/motor/synchronous/bg_header_index.webp) no-repeat center center;
  background-size: cover;
}

#content .content-header .content-header__inner {
  width: 100%;
  height: 100%;
}
.content-header__txt {
    height: auto;
    margin-left: unset;
    background: none;
    text-align: left;
}
.content-header__txt .ttl{
  line-height: 1.2;
}
#content .content-header .content-header__inner .txt{
    margin-right: 85px;
}
#content .content-header .content-header__inner .txt .bg-gray br{
  display: block;
}

/* ====== END header ======= */


/* ====== overview_list ======= */


.overview_list .item {
  display: flex;
  height: 700px;
}

.overview_list .item+.item {
  margin-top: -1px;
  border-top: 4px solid #ff0000;
}

.overview_list .item .overview_img {
  width: 90%;
  height: auto;
  overflow: hidden;
  transition: .3s;
  position: relative;
}

.overview_list .item .overview_img.img01 {
  background: url(/img/product/rotating_machinery/motor/synchronous/bg_synchronous_01_wide.webp) no-repeat right;
  background-size: cover;
}

.overview_list .item .overview_img.img02 {
  background: url(/img/product/rotating_machinery/motor/synchronous/bg_synchronous_02_wide.webp) no-repeat right;
  background-size: cover;
}

.overview_list .item .overview_img.img03 {
  background: url(/img/product/rotating_machinery/motor/synchronous/bg_synchronous_03_wide.jpg) no-repeat right;
  background-size: cover;
}

.overview_list .item .overview_txt {
  width: 700px;
  position: relative;
  background: #000000;
  clip-path: polygon(40% 0, 100% 0%, 100% 100%, 0% 100%);
  margin-left: -20%;
  z-index: 1;
  transition: .3s;
  color: #fff;
  text-align: center;
}

.overview_list .item.item02 .overview_txt {
  clip-path: polygon(0 0, 100% 0%, 60% 100%, 0% 100%);
  margin-left: 0;
  margin-right: -20%;
  background: #565757;
}

.overview_list .item.item03 .overview_txt {
  background: #D5D5D5;
  color: #000;
}

.overview_list .item .overview_txt p {
  color: #fff;
  position: relative;
  font-size: 30px;
  padding: 30px 0 20px;
  margin-bottom: 50px;
}

.overview_list .item.item03 .overview_txt p {
  color: #000;
}

.overview_list .item .overview_txt p::after {
  position: absolute;
  display: block;
  content: "";
  width: 100px;
  margin: auto;
  height: 4px;
  left: 0;
  right: 0;
  bottom: 0;
  background: #ff0000;

}

.overview_list .item .overview_ttl {
  width: 350px;
  position: absolute;
  right: 50px;
  top: 150px;
}

.overview_list .item.item02 .overview_ttl {
  right: unset;
  left: 50px;
  top: 110px;
}

.overview_inner_list {
  text-align: left;
  list-style: disc;
  margin-left: 1rem;
}

.overview_inner_list .inner_item+.inner_item {
  margin-top: 20px;
}

.overview_inner_list .bg_line {
  background: #fff;
  padding: 2px;
  color: #000;
  margin: 0 2px;
}

.overview_list .item.item03 .overview_inner_list .bg_line {
  background: #000;
  color: #fff;
}



/* ====== END overview_list ======= */


/* ====== catalog_box ======= */
.catalog_box {
  max-width: 800px;
  border-radius: 20px;
  background: #eee;
  margin: 100px auto;
}

.catalog_inner {
  padding: 40px;
  text-align: center;
}

.catalog_box ul {
  display: flex;
  justify-content: center;
}

.catalog_box ul li+li {
  margin-left: 60px;
}

.round_btn.btn_blue {
  max-width: 400px;
  width: 100%;
  margin-top: 50px;
}

.round_btn.btn_blue a {
  width: 97%;
  padding: 14px 0;
  font-size: 22px;
  margin: 5px 0;
}

.round_btn a .arw_link {
  padding-left: 30px;
}

.round_btn a .arw_link.white::after {
  width: 10px;
  height: 10px;
  top: 10px;
  border-right: 2px solid #fff;
  border-top: 2px solid #fff;
}

.round_btn.btn_blue:hover a .arw_link.white::after {
  border-right: 2px solid #11335F;
  border-top: 2px solid #11335F;
}


/* ====== END catalog_box ======= */
/* ====== img_center ======= */
.img_center{
  margin: auto;
  text-align: center;
}
.img_center img{    max-width: 100%;
    height: auto;
}

/* ====== END img_center ======= */

@media screen and (max-width: 1600px) {
.overview_list .item .overview_img.img02 {
  background: url(/img/product/rotating_machinery/motor/synchronous/bg_synchronous_02.webp) no-repeat right;
  background-size: cover;
}
}
@media screen and (max-width: 1440px) {
  .overview_list .item .overview_img.img01 {
  background: url(/img/product/rotating_machinery/motor/synchronous/bg_synchronous_01.webp) no-repeat right;
  background-size: cover;
}

.overview_list .item .overview_img.img03 {
  background: url(/img/product/rotating_machinery/motor/synchronous/bg_synchronous_03.jpg) no-repeat right;
  background-size: cover;
}
}
@media screen and (max-width: 1400px) {
  .over1400{
    display: none;
  }
  

  /* ======  overview ======= */


  .overview_list .item .overview_ttl {
    width: 300px;
  }

  .overview_list .item .overview_txt {
    width: 60%;
    margin-left: -26%;
  }

  .overview_list .item.item02 .overview_txt {
    margin-right: -26%;
  }

  .overview_list .item .overview_img {
    width: 80%;
  }

  .overview_list .item .overview_ttl {
    right: 30px;
  }

  .overview_list .item.item02 .overview_ttl {
    left: 40px;
  }

/* ====== END overview ======= */
}


@media screen and (max-width: 768px) {
  #content .content-header .content-header__inner .txt{
    margin-right: 51px;
}
.content-section_inr{
  padding: 0 20px;
}
  .ttl-lv4 {
    font-size: 24px;
  }
  .overview_list .item .overview_img.img02 {
        background: url(/img/product/rotating_machinery/motor/synchronous/bg_synchronous_02_tb.webp) no-repeat right;
        background-size: cover;
}
  /* ====== overview_list ======= */
  .overview_list .item {
    height: 500px;
  }

  .overview_list .item .overview_ttl {
    width: 60%;
    top: 70px;
  }

  .overview_list .item.item02 .overview_ttl {
    top: 60px;
    left: 20px;
  }

  .overview_list .item .overview_ttl div {
    width: 70px;
    margin: auto;
  }

  .overview_list .item .overview_ttl div img {
    width: 100%;
    height: auto;
  }

  .overview_list .item .overview_txt p {
    font-size: 24px;
    padding: 26px 0 20px;
    margin-bottom: 40px;
  }

  /* ====== END overview_list ======= */
  /* ====== catalog_box ======= */
  .round_btn.btn_blue a {
    font-size: 18px;
    padding: 10px 0;
  }

  .catalog_box ul li+li {
    margin-left: 40px;
  }
.round_btn a .arw_link.white::after{
  width: 8px;
  height:8px;
  top: 7px;
}
  /* ====== END catalog_box ======= */

}
@media only screen and (min-width: 501px) and (max-width: 750px) {
.overview_list .over500{
  display: none;
}
}

@media screen and (max-width: 500px) {
    #content .content-header .content-header__inner .txt{
    margin-right: 0;
}
  .content-section_inr {
    padding: 0 10px;
}
  /* ====== header ======= */
    #product--rotating_machinery--motor__synchronous-top {
    background: url(/img/product/rotating_machinery/motor/synchronous/bg_header_index_sp.webp) no-repeat center center;
    background-size: cover;
  }

  /* ====== END header ======= */
  /* ====== overview_list ======= */
.overview_list .item{
  display: block;
  height: auto;
}
.overview_list .item .overview_img{
        width: 100%;
        height: 250px;
}
.overview_list .item .overview_txt{
          width: 100%;
        margin-left: 0;
                clip-path:polygon(0px 20%, 100% 0%, 100% 100%, 0% 100%);
                margin-top: -80px;

}
.overview_list .item .overview_ttl{
width: fit-content;
    max-width: 100%;
          margin: auto;
          padding: 60px 0 30px;
        position: static;
}
.overview_list .item .overview_ttl div{
  width: 60px;
}
.overview_inner_list .inner_item + .inner_item{
  margin-top: 10px;
}

.overview_list .item .overview_txt p{
        font-size: 22px;
        padding: 20px 0 20px;
        margin-bottom: 30px;
}
.overview_list .item .overview_txt p::after{
  height: 2px;
}
.overview_list .item.item02{
  position: relative;
}
.overview_list .item .overview_img.img01 {
  background: url(/img/product/rotating_machinery/motor/synchronous/bg_synchronous_01_sp.webp) no-repeat bottom;
  background-size: cover;
}

.overview_list .item .overview_img.img02 {
        background: url(/img/product/rotating_machinery/motor/synchronous/bg_synchronous_02_sp.webp) no-repeat top center;
        background-size: cover;
        position: absolute;
top: 0;
left: 0;
}

.overview_list .item .overview_img.img03 {
  background: url(/img/product/rotating_machinery/motor/synchronous/bg_synchronous_03_sp.jpg) no-repeat bottom center;
  background-size: cover;
}

.overview_list .item.item02 .overview_txt {
        margin: 170px auto 0;
        clip-path: polygon(0% 0%, 100% 20%, 100% 100%, 0% 100%);
    }
  /* ====== END overview_list ======= */

    /* ====== catalog_box ======= */
    .catalog_box ul li+li{
      margin-left: 20px;
    }
  .round_btn.btn_blue a {
    margin: 4px 0;
    padding: 8px 0;
  }


  /* ====== END catalog_box ======= */
}