.s-about_section,
.s-trouble_section,
.s-case_section {
  border-top: 1px solid #E5E5E5;
  overflow: hidden;
}
@media only screen and (min-width: 1272px) {
  .l-page_contents {
    position: relative;
  }
  .l-page_contents::before {
    position: absolute;
    content: "";
    top: 0;
    left: -160px;
    right: 0;
    background: none;
    width: 100%;
    border-left: 1px solid #E5E5E5;
    height: 100%;
    z-index: -9;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
  }
  .s-about_section .c-title_primary .ja,
  .s-trouble_section .c-title_primary .ja,
  .s-case_section .c-title_primary .ja,
  .s-news_section .c-title_primary .ja {
    position: relative;
  }
  .s-about_section .c-title_primary .ja::before,
  .s-trouble_section .c-title_primary .ja::before,
  .s-case_section .c-title_primary .ja::before,
  .s-news_section .c-title_primary .ja::before {
    position: absolute;
    content: "";
    top: 21px;
    left: -95px;
    background: #fff;
    border: 8px solid #ddd;
    width: 30px;
    height: 30px;
    border-radius: 50%;
  }
}

.s-hero {
  position: relative;
  padding-top: 20rem;
  margin-bottom: 5rem;
}
.s-hero .hero_inner::before {
  position: absolute;
  content: "";
  top: -40px;
  left: -45px;
  background: url(../img/index/mv_bg.svg) no-repeat top;
  background-size: 150px 150px;
  width: 150px;
  height: 150px;
  z-index: -10;
}
.s-hero .hero_inner::after {
  position: absolute;
  content: "";
  top: -87px;
  right: -35px;
  background: url(../img/index/mv_image@1x.jpg) no-repeat top;
  background-size: 310px 277.67px;
  width: 310px;
  height: 277.67px;
  z-index: -11;
}

.s-hero .title {
  font-size: 1.8rem;
  line-height: 1.4;
  font-weight: bold;
  margin-bottom: 2.4rem;
}
.s-hero .title .emphasis {
  font-size: 2.4rem;
  color: #2DA4BA;
}
.s-hero .text {
  font-size: 1.4rem;
  line-height: 1.6;
  margin-bottom: 1.6rem;
}

@media only screen and (min-width: 883px) {
  .s-hero {
    padding-top: 11.7rem;
    height: 600px;
    position: relative;
    margin-bottom: 0;
  }
  .s-hero .hero_inner::before {
    position: absolute;
    content: "";
    background: url(../img/index/mv_bg.svg) no-repeat top;
    background-size: 450px 450px;
    width: 450px;
    height: 450px;
    left: -420px;
    top: -235px;
  }
  .s-hero .hero_inner::after {
    position: absolute;
    content: "";
    background: url(../img/index/mv_image@2x.jpg) no-repeat top;
    background-size: 930px 840px;
    width: 930px;
    height: 840px;
    right: -425px;
    top: -320px;
  }
  .s-hero .hero_inner {
    position: relative;
  }
  .s-hero .title {
    font-size: 3.2rem;
    margin-bottom: 2.4rem;
  }
  .s-hero .title .emphasis {
    font-size: 4rem;
  }
  .s-hero .text {
    font-size: 1.8rem;
    margin-bottom: 3.2rem;
    font-weight: bold;
  }
  .s-hero .c-btn_cta {
    font-size: 2.4rem;
    line-height: 1;
    width: 426px;
    height: 60px;
  }
  .s-hero .c-btn_cta .wrap::after {
    width: 18px;
    height: 18px;
    background: url(../img/icon/arrow-right-single-white.svg) no-repeat center;
    background-size: 18px 18px;
  }
  .s-hero .c-btn_cta:hover .wrap::after {
    width: 18px;
    height: 18px;
    background: url(../img/icon/arrow-right-single-blue.svg) no-repeat center;
    background-size: 18px 18px;
  }
}
@media only screen and (min-width: 883px) and (max-width: 1271px) {
  .s-hero::before {
    left: -350px;
  }
  .s-hero::after {
    right: -420px;
  }
}
@media only screen and (min-width: 883px) and (max-width: 1920px) {
  .s-hero::after {
    right: calc((100vw - 1920px) / 2 - 60px);
  }
}

.c-logo_title {
  font-size: 2.4rem;
  line-height: 1.4;
  font-weight: bold;
  margin-bottom: 4.8rem;
}
.c-logo_title .sub {
  display: block;
  font-size: 1.6rem;
}

@keyframes loop {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}
.s-logo_scroll {
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
.s-logo_scroll ul {
  display: flex;
  animation: loop infinite linear 50s both;
}
.s-logo_scroll li {
  position: relative;
  min-width: 80px;
  width: 80px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 3.2rem;
}
.s-logo_scroll li.nintei::before {
  position: absolute;
  content: "";
  background: url(../img/badge/nintei@1x.png) no-repeat top;
  background-size: 30px 30px;
  top: -25px;
  right: -20px;
  width: 30px;
  height: 30px;
}
.s-logo_section .s-logo_scroll:nth-child(2) ul {
  animation-direction: reverse;
  margin-top: 4.8rem;
}
@media only screen and (min-width: 883px) {
  .s-logo_section {
    border-top: 1px solid #E5E5E5;
  }
  .c-logo_title {
    padding-top: 12rem;
    font-size: 3.2rem;
    line-height: 1.4;
    text-align: center;
    margin-bottom: 5.6rem;
  }
  .c-logo_title .sub {
    font-size: 2.4rem;
  }
  .s-logo_scroll ul {
    animation: loop infinite linear 100s both;
  }
  .s-logo_scroll li {
    position: relative;
    min-width: 120px;
    height: 80px;
    margin-right: 8rem;
  }
  .s-logo_scroll li.nintei::before {
    position: absolute;
    background: url(../img/badge/nintei@1x.png) no-repeat top;
    background-size: 40px 40px;
    top: -15px;
    right: -30px;
    width: 40px;
    height: 40px;
  }
}

@media only screen and (min-width: 883px) {
  .s-about_section .left_box {
    flex: 1;
    margin-right: 8rem;
  }
  .s-about_section .c-common_text {
    margin-bottom: 2.4rem;
  }
}

.s-trouble_section .c-cta_box {
  background: #EAF6F9;
  padding: 2.4rem;
  text-align: center;
}
.s-trouble_section .c-cta_box .text {
  font-size: 1.6rem;
  line-height: 1.4;
  font-weight: bold;
  margin-bottom: 1.6rem;
}

@media only screen and (min-width: 883px) {
  .s-trouble_section .c-cta_box {
    padding: 3.2rem 4rem;
  }
  .s-trouble_section .c-cta_box .text {
    font-size: 2rem;
    margin-bottom: 2.4rem;
  }
  .s-trouble_section .c-cta_box .u-flex_only_pc {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3.2rem;
  }
  .s-trouble_section .c-cta_box a {
    margin-top: 0;
    width: 300px;
    height: 50px;
  }
}

@media only screen and (min-width: 883px) {
  .s-case_section .left_box {
    flex: 1;
    margin-right: 8rem;
  }
  .s-case_section .c-common_text {
    margin-bottom: 2.4rem;
  }
  .s-case_section .c-slogan_text {
    font-size: 2rem;
    line-height: 1.4;
    margin-bottom: 2.4rem;
  }
}

.s-useful_section {
  padding-top: 5.6rem;
  background: #F2F2F2;
}
.s-useful_section .c-title_primary {
  padding-top: 0;
  margin-bottom: 4.3rem;
  text-align: left;
}
@media only screen and (min-width: 883px) {
  .s-useful_section {
    padding-top: 8rem;
    padding-bottom: 8rem;
  }
  .s-useful_section .c-article_list,
  .s-useful_section .c-article_list li.article_box {
    margin-bottom: 0;
  }
  .s-useful_section .c-article_list {
    padding-bottom: 0;
    margin-bottom: 2.4rem;
  }
  .s-useful_section .c-title_primary {
    font-size: 3.2rem;
    line-height: 1.4;
    margin-bottom: 5.6rem;
    text-align: center;
  }
}

@media only screen and (min-width: 883px) {
  .s-news_section .left_box {
    min-width: 320px;
    flex: 1;
  }
  .s-news_section .right_box {
    width: 800px;
  }
  .s-news_section .c-news_list {
    border-top: 1px solid #E5E5E5;
    margin: 8rem 0 2.4rem;
  }
}