/*------------------------------------------------------------
common
------------------------------------------------------------*/
body {
  font-family: source-han-sans-japanese, 'Noto Sans JP', 'Century Gothic', 'ヒラギノ角ゴ ProN W3', 'Hiragino Kaku Gothic ProN', 游ゴシック体, YuGothic, "Yu Gothic Medium", 游ゴシック, 'Yu Gothic', メイリオ, Meiryo, sans-serif;
}

#about {
  font-size: 13px;
  font-weight: 200;
  color: #003D4C;
  overflow: clip;
  background: #fff;
  position: relative;
  --color-main: #00A4E4;
  --color-sub: #CAE3E9;
  --color-acc: #71D6E0;
}

#about * {
  box-sizing: border-box;
}

#about a {
  transition: opacity .3s;
}

#about a[href^="tel:"] {
  display: inline-block;
  transition: none;
}

#about a:hover {
  text-decoration: none;
}

#about a:focus-visible {
  outline: none;
}

#about img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

#about .js-fadein {
  opacity: 0;
  transform: translate(0, 20px);
  transition-property: opacity, transform;
  transition-duration: 1s;
}

#about .scroll-in {
  opacity: 1;
  transform: translate(0, 0);
}

#about .font-gill{
  font-family: gill-sans-nova, sans-serif;
  font-weight: 300;
  font-style: normal;
}

#about .pc-br {
  display: none;
}

#about .sp-br {
  display: inline;
}

#about .inner {
  width: calc(100% - 40px);
  max-width: 1200px;
  margin: 0 auto;
}

#about .inline-block {
  display: inline-block;
}

#about .content-main-block{
  position: fixed;
  width: 100%;
  height: 100vh;
  top: 0;
  left: 0;
  z-index: 0;
}

#about .content-main-bg{
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: url("../images/about/mainimg_sp.jpg")no-repeat center top/ contain;
  z-index: -1;
}

#about .content-main{
  position: fixed;
  top: 0;
  left: 0;
  height: calc(100vw / 750 * 540 + 70px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 0 20px 20px;
  line-height: 1;
}

#about .content-main .ja{
  display: block;
  font-size: 20px;
  font-weight: 200;
}

#about .content-main .en{
  display: block;
  margin-top: 18px;
  font-size: 48px;
  font-weight: 200;
}

#about .content-wrapper{
  position: relative;
  margin-top: calc(100vw / 750 * 540);
  background-color: #fff;
}

#about .c-lead{
  font-size: 18px;
  line-height: 1.6;
  font-weight: 200;
}

#about .c-txt{
  font-size: 14px;
  line-height: 1.6;
}

#about .c-txt + .c-txt{
  margin-top: 1.6em;
}

#about .c-lead + .c-txt{
  margin-top: 16px;
}

#about .c-box{
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 0 8px rgba(0, 100, 163,.08);
}

#about .content-overview{
  display: grid;
  gap: 40px;
  padding: 60px 0;
  background: linear-gradient(180deg, #FFFFFF 25.93%, rgba(255, 255, 255, 0) 79.58%), #F4F9FB;
}

#about .overview-body{
  text-align: center;
}

#about .c-menu-list{
  width: calc(100% - 40px);
  max-width: 1200px;
  margin: 0 auto;
}

#about .c-menu-link{
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 40px;
  background: #fff;
  border-bottom: solid 1px #EEEEEE;
  color: #003D4C;
}

#about .c-menu-item:first-of-type .c-menu-link{
  border-radius: 4px 4px 0 0;
}

#about .c-menu-item:last-of-type .c-menu-link{
  border-radius: 0 0 4px 4px;
}

#about .c-menu-link::before,
#about .c-menu-link::after{
  position: absolute;
  content: "";
  width: 35px;
  height: 35px;
  right: 40px;
  top: calc(50% - 18px);
  border-radius: 50%;
  background: linear-gradient(95deg, #4DD9D9 0, #0078AB 72%)no-repeat 50% 0 / 200% 100%;
  z-index: 1;
}

#about .c-menu-link::after{
  background: url("../images/about/arrow_white.svg")no-repeat center 11px / 20px 12px;
  z-index: 2;
}

#about .c-menu-link .ja{
  display: block;
  font-size: 14px;
  line-height: 1.6;
}

#about .c-menu-link .en{
  display: block;
  font-size: 28px;
  line-height: 1.6;
}

#about .c-ttl-en{
  color: #fff;
  font-size: 64px;
  text-align: center;
}

#about .c-ttl{
  display: block;
  width: fit-content;
  margin: 0 auto 12px;
  background: linear-gradient(100deg, rgb(0, 120, 171) 80%, rgb(77, 217, 217) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  font-size: 24px;
  font-weight: 200;
  line-height: 1.6;
  box-shadow: 0 0 4px rgba(255,255,255,.1);
}

#about .services{
  padding-bottom: 80px;
  background: linear-gradient(184.78deg, rgba(209, 203, 245, 0) 11.19%, rgba(209, 203, 245, 0.225) 36.45%, rgba(209, 203, 245, 0.3) 42.75%, rgba(0, 120, 171, 0.09) 57.51%, rgba(0, 120, 171, 0) 100%), linear-gradient(356.6deg, rgba(0, 120, 171, 0.2) 4.7%, rgba(0, 120, 171, 0) 42.13%), #F4F9FB;
}

#about .l-inner{
  display: grid;
  gap: 60px;
}

#about .services-about-item{
  display: grid;
  gap: 16px;
  padding: 20px;
  border-bottom: solid 1px #B0C3C9;
}

#about .services-about-item:last-of-type{
  border: none;
}

#about .services-about-img img{
  border-radius: 4px;
}

#about .services-about-item .c-lead + .c-txt{
  margin-top: 12px;
}

#about .services-brand-list{
  display: grid;
  gap: 16px;
}

#about .services-brand-item{
  position: relative;
  padding: 64px 0 8px;
  z-index: 0;
}

#about .services-brand-item::before{
  position: absolute;
  content: "";
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: url("../images/about/about_brand_bg.png")no-repeat center top / contain;
  z-index: -1;
}

#about .services-brand-txt{
  margin-top: -20px;
  font-size: 16px;
  line-height: 1.8;
  text-align: center;
}

#about .services-brand-area{
  margin-top: 36px;
}

#about .services-brand-area-ttl{
  margin-bottom: 16px;
  font-size: 18px;
  font-weight: 200;
  text-align: center;
}

#about .services-brand-area-list{
  max-width: 320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 20px;
}

#about .services-brand-area-item{
  aspect-ratio: 1/1;
  display: flex;
  padding-bottom: 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border-top: solid 2px #C6DBE1;
  border-bottom: solid 2px #C6DBE1;
}

#about .services-brand-icon{
  width: 75px;
  margin: 0 auto;
}

#about .services-brand-area-txt{
  min-height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1.6;
  text-align: center;
}

#about .services-tec-content{
  width: fit-content;
  margin: 0 auto;
  display: grid;
  gap: 28px;
}

#about .services-tec-fig{
  position: relative;
}

#about .services-tec-cap{
  position: absolute;
  top: 58px;
  left: 0;
  color: var(--color-main);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.8;
}

#about .services-slide{
  margin-top: 20px;
}

#about .swiper-wrapper {
  backface-visibility: hidden;
  transition-timing-function: linear;
  will-change: transform;
}

#about .swiper-slide {
  width: 180px;
  flex: 0 0 auto;
}

#about .swiper-slide:nth-of-type(even){
  margin-top: 20px;
}

#about .swiper-slide img{
  border-radius: 4px;
}

#about .company{
  padding: 0 0 80px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #FFFFFF 100%), linear-gradient(180deg, rgba(0, 120, 171, 0.2) 11.59%, rgba(0, 120, 171, 0) 45.71%), #F4F9FB;
}

#about .company-about-item{
  padding-bottom: 3px;
  border-top: solid 1px #AEC3C8;
}

#about .company-about-item:last-of-type{
  border-bottom: solid .5px #AEC3C8;
}

#about .company-about-label{
  padding: 8px 16px;
  background: rgba(255,255,255,.7);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.6;
}

#about .company-about-value{
  padding: 12px 16px;
}

#about .company-history{
  width: calc(100% - 7px);
  margin: 0 auto;
}

#about .company-history-list{
  height: 600px;
  display: grid;
  grid-template-rows: 118fr 107fr 132fr 78fr 68fr 88fr;
  position: relative;
  padding: 8px 0 0 28px;
}

#about .comapny-history-time{
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 20px;
  display: grid;
  grid-template-rows: repeat(6, 3fr) 2fr;
}

#about .comapny-history-time span{
  width: 100%;
  height: 100%;
  background: #326370;
  border: solid 1px #fff;
}

#about .comapny-history-time span:first-of-type{
}

#about .comapny-history-time span:nth-of-type(2){
  background: #648A93;
}

#about .comapny-history-time span:nth-of-type(3){
  background: #97B0B7;
}

#about .comapny-history-time span:nth-of-type(4){
  background: #CAD7DA;
}

#about .comapny-history-time span:nth-of-type(5){
  background: #A9E6EC;
}

#about .comapny-history-time span:nth-of-type(6){
  background: #8DDEE6;
}

#about .comapny-history-time span:nth-of-type(7){
  background: #71D6E0;
}

#about .company-history-item{
  position: relative;
  padding: 13px 0 0 12px;
}

#about .company-history-item::before{
  position: absolute;
  content: "";
  width: 100%;
  height: 2px;
  left: 0;
  top: 4px;
  background: #003D4C;
}

#about .company-history-item::after{
  position: absolute;
  content: "";
  width: 10px;
  height: 10px;
  top: 0;
  left: 0;
  border-radius: 50%;
  background:  #003D4C;
}

#about .company-history-year{
  font-size: 16px;
  font-weight: 400;
}

#about .company-history-txt{
  font-size: 14px;
  line-height: 1.4;
}

#about .company-history-img{
  position: absolute;
  bottom: 0;
  right: 0;
}

#about .company-history-item.item06 .company-history-img{
  bottom: auto;
  top: 13px;
}

@media print, screen and (min-width: 768px) {
  
  #about .sp-br {
    display: none;
  }
  
  #about .pc-br {
    display: inline;
  }
  
  #about .inner {
    width: calc(100% - 24px);
  }

  #about .content-main-bg{
    height: 620px;
    background: url("../images/about/mainimg_pc.jpg")no-repeat center top/ cover;
  }

  #about .content-main{
    height: 620px;
    left: 50%;
    padding: 80px 0 0;
    justify-content: center;
    transform: translateX(max(calc(40px - 50vw),-800px));
  }

  #about .content-main .ja{
    font-size: 24px;
  }

  #about .content-main .en{
    font-size: 88px;
  }

  #about .content-wrapper{
    margin-top: 540px;
  }

  #about .c-lead{
    font-size: 24px;
  }

  #about .c-txt{
    font-size: 16px;
  }
  
  #about .c-lead + .c-txt{
    margin-top: 32px;
  }

  #about .c-box{
    border-radius: 8px;
    box-shadow: 0 0 16px rgba(0, 100, 163,.08);
  }

  #about .content-overview{
    gap: 80px;
    padding: 120px 0;
  }
  
  #about .c-menu-list{
    display: flex;
  }

  #about .c-menu-item{
    flex: 1;
  }
  
  #about .c-menu-link{
    padding: 16px 80px;
    border: none;
    border-right: solid 1px #EEEEEE;
  }
  

  #about .c-menu-item:first-of-type .c-menu-link{
    border-radius: 8px 0 0 8px;;
  }

  #about .c-menu-item:last-of-type .c-menu-link{
    border-radius: 0 8px 8px 0;
    border: none;
  }

  #about .c-menu-link::before,
  #about .c-menu-link::after{
    width: 50px;
    height: 50px;
    top: calc(50% - 25px);
    right: 80px;
    transition: all .3s;
  }
  
  #about .c-menu-link::before{
    background-size: 200% 100%;
    background-position: 50% 0;
  }
  
  #about .c-menu-link::after{
    border-radius: 50%;
    background-size: 24px 16px;
    background-position: center 18px
  }

  #about .c-menu-link .ja{
    font-size: 16px;
  }

  #about .c-menu-link .en{
    font-size: 40px;
  }

  #about .c-ttl-en{
    font-size: 120px;
  }

  #about .c-ttl{
    font-size: 36px;
    margin-bottom: 16px;
  }
  
  #about .l-inner{
    gap: 120px;
  }
  
  #about .services{
    padding-bottom: 160px;
  }

  #about .services-about-list{
    padding: 0 40px;
  }
  
  #about .services-about-item{
    padding: 64px 40px;
    grid-template-columns: 520px 1fr;
    align-items: center;
    gap: 40px;
  }

  #about .services-about-img img{
    border-radius: 8px;
  }

  #about .services-about-item .c-lead + .c-txt{
    margin-top: 32px;
  }

  #about .services-brand-list{
    grid-template-columns: repeat(2,1fr);
  }

  #about .services-brand-item{
    padding: 112px 72px;
    text-align: center;
  }
  
  #about .services-brand-item:nth-of-type(2)::before{
    transform: rotate(180deg);
    background-position: center bottom;
  }

  #about .services-brand-txt{
    margin-top: -28px;
    font-size: 18px;
  }

  #about .services-brand-area{
    margin-top: 40px;
    padding-bottom: 32px;
  }

  #about .services-brand-area-ttl{
    margin-bottom: 24px;
    font-size: 24px;
  }

  #about .services-brand-area-list{
    max-width: 1120px;
    grid-template-columns: repeat(4,1fr);
    gap: 80px;
  }

  #about .services-brand-area-item{
    padding: 30px 0;
    gap: 4px;
  }

  #about .services-brand-icon{
    width: 100px;
    height: 100px;
  }

  #about .services-brand-area-txt{
    min-height: 52px;
    font-size: 16px;
  }

  #about .services-tec-content{
    padding: 0 80px;
    grid-template-columns: 1fr 500px;
    gap: 80px;
  }
  
  #about .services-tec-txt{
    margin-top: 32px;
  }
  
  #about .services-tec-txt .c-txt{
    font-size: 18px;
    line-height: 1.8;
  }

  #about .services-tec-cap{
    top: 105px;
    font-size: 20px;
  }
  
  #about .services-slide{
    margin-top: 56px;
  }
  
  #about .swiper-slide {
    width: 360px;
  }

  #about .swiper-slide:nth-of-type(even){
    margin-top: 40px;
  }

  #about .swiper-slide img{
    border-radius: 8px;
  }
  
  #about .company{
    padding: 0 0 160px;
  }

  #about .company-about-item{
    padding: 0;
    display: grid;
    grid-template-columns: 320px 1fr;
    border-top: solid 1px #99B7C0;
  }

  #about .company-about-item:last-of-type{
    border-bottom: solid 1px #99B7C0;;
  }

  #about .company-about-label{
    padding: 24px 64px;
    font-size: 16px;
  }

  #about .company-about-value{
    padding: 24px 64px;
  }

  #about .company-history{
    width: 100%;
  }

  #about .company-history-list{
    display: flex;
    padding: 36px 8px 0;
    display: grid;
    grid-template-columns: 282fr 166fr 336fr 96fr 148fr 152fr;
    grid-template-rows: 1fr;
    height: auto;
  }

  #about .comapny-history-time{
    width: 100%;
    grid-template-rows: 1fr;
    grid-template-columns: repeat(6, 3fr) 2fr;
  }

  #about .comapny-history-time span{
    width: 100%;
    height: 20px;
    border-width: 2px;
  }

  #about .company-history-item{
    padding: 12px 0 0 20px;
    height: fit-content!important;
    grid-row: -1/1;
  }

  #about .company-history-item::before{
    width: 2px;
    height: 100%;
    left: 3px;
    top: 0;
  }

  #about .company-history-item::after{
    width: 8px;
    height: 8px;
  }

  #about .company-history-year{
    font-size: 24px;
  }

  #about .company-history-txt{
    font-size: 16px;
  }

  #about .company-history-img{
    right: auto;
    left: 20px;
  }

#about .company-history-item.item06 .company-history-img{
  bottom: auto;
  top: 13px;
}

#about .company-history-item.item02{
  padding-bottom: 114px;
}

#about .company-history-item.item03{
  padding-bottom: 114px;
}

#about .company-history-item.item04{
  padding-top: 92px;
  grid-column: 4/6;
}
  
#about .company-history-item.item05{
  grid-column: 5/6;
}

#about .company-history-item.item06{
  padding-top: 88px;
  grid-column: 6/7;
}

}


@media print, screen and (min-width: 1201px){
  #about .c-menu-link:hover::before{
    background-position: 10% 0;
  }
  
  #about .c-menu-link:hover::after{
    transform: translateY(3px);
  }
}