/* main-visual
-------------------------------------------*/

.mv_wrap{
  position: relative;
  width: 100%;
  margin-top: -130px;/*g_navの高さ分*/
  z-index: 0;
}
.mv_wrap__in{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: clamp(650px,100vw,920px);
}
.mv_wrap .copy{
  width: 60%;
  text-align: left;
  padding-left: 8%;
  padding-top: 5rem;
  z-index: 1;
}
.mv_wrap .copy .img_copy{
  margin-bottom: 4rem;
  pointer-events: none; /* クリック無効化 */
}
.mv_wrap .copy .img_copy img{
  width: min(530px,90%);
  height: auto;
}
.mv_wrap .mv{
  position: absolute;
  top: 0;
  right: 0;
  width: 62%;
  z-index: 0;
}
.mv_wrap .mv .mv__in{
  position: relative;
}
.bg_fig{
  position: absolute;
  bottom: -8%;
  left: 0;
  width: 100%;
  height: 880px;
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0% 100%);
  background: linear-gradient(90deg, #be9e90, #f0a327);
  z-index: 0;
}
.top_slide .slider{
  position: relative;
  overflow: hidden;
  display: block;
  width: 90%;
  margin: 0 0 0 auto;
  background: #f3f3f3;
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
  z-index: 1;
}
.top_slide .slider .slick-slide{
  position: relative;
  overflow: hidden;
}
.top_slide .slider .slick-slide img{
  width: 100%;
  height: 900px;
  object-fit: cover;
  z-index: 1;
}
@keyframes zoomUp{
  0%{
    transform: scale(1);
  }
  100%{
    transform: scale(1.12);
  }
}
.top_slide .add-animation img {
  animation: zoomUp 9s linear 0s normal both;
}

.scrolldown{
  position: absolute;
  left: 2.5rem;
  bottom: 80px;
  writing-mode: vertical-rl;
  font-size: clamp(9px,1.384vw,11px);
  letter-spacing: .25em;
}
.scrolldown::before{
  content: "";
  position: absolute;
  left: -4px;
  top: 0;
  width: 1px;
  height: 160px;
  margin: auto;
  background: #fff;
  animation: scroll 2.5s infinite;
}
/* 線のアニメーション */
@keyframes scroll{
  0%{
    transform: scale(1, 0);
    transform-origin: 0 0;
  }
  50%{
    transform: scale(1, 1);
    transform-origin: 0 0;
  }
  51%{
    transform: scale(1, 1);
    transform-origin: 0 100%;
  }
  100%{
    transform: scale(1, 0);
    transform-origin: 0 100%;
  }
}
.mv_wrap .autoscroll{
  pointer-events: none; /* クリック無効化 */
  display: flex;
  align-items: center;
  margin-top: 1.5rem;
  height: 100%;
  z-index: 0;
}

@media screen and (max-width: 960px){
  
  .scrolldown{
    bottom: -4rem;
  }
  .bg_fig{
    height: clamp(480px,73.8vw,880px);
  }
  .top_slide .slider .slick-slide img{
    height: clamp(500px,77vw,900px);
  }
}
@media screen and (max-width: 650px){
  
  .mv_wrap .copy{
    width: 80%;
    padding-left: 10%;
    padding-top: 23rem;
  }
  .mv_wrap .copy .img_copy{
    margin-bottom: 1rem;
  }
  .mv_wrap .mv{
    width: 90%;
  }
  .scrolldown{
    left: 1.5rem;
    bottom: auto;
    top: 10rem;
  }
  .mv_wrap .autoscroll{
    margin: 1.5rem 0 5rem;
  }
}

/* news ticker
-------------------------------------------*/

.top_news{
  padding: calc(var(--sec-margin)*0.5) 0 var(--sec-margin);
}
.top_news__in{
  position: relative;
  overflow: hidden;
  width: 100%;
}
.news_ticker{
  width: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  border-radius: 12px;
  background-color: rgba(255,255,255,.97);
}
.news_ticker li{
  padding: 1.5rem 0;
  text-align: left;
}
.news_ticker li a,
.news_ticker li a .meta{
  display: flex;
  align-items: center;
  column-gap: 1rem;
}
.news_ticker li a{
  color: var(--black);
  background: url(../img/cmn/ic-arrow.svg) no-repeat right center / 20px;
}
.news_ticker li a:hover{
  text-decoration: underline;
}
.news_ticker p{
  line-height: 1.5;
}
.news_ticker .data{
  font-family: var(--font-en);
}
.news_ticker .cat{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;/*改行禁止*/
  height: 34px;
  border-radius: 99999px;
  padding: 0 1.5rem;
  border: 2px solid var(--orange);
  font-size: clamp(11px,1.692vw,13px);
}
.news_ticker .tit{
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  padding-right: 2rem;
}

@media screen and (max-width: 650px){
  
  .top_news__in{
    position: relative;
    overflow: hidden;
    width: 100%;
  }
  .news_ticker{
    padding: 0 1.2rem;
    border-radius: 6px;
    background-color: rgba(255,255,255,.9);
  }
  .news_ticker li{
    padding: 1rem 0;
  }
  .news_ticker li a,
  .news_ticker li a .meta{
    gap: .5rem;
  }
  .news_ticker li a{
    background: none;
    flex-wrap: wrap;
  }
  .news_ticker .cat{
    height: 24px;
  }
  .news_ticker .tit{
    width: 100%;
  }
}

/* concept
-------------------------------------------*/

.top_concept{
  position: relative;
  width: 100%;
  margin: calc(var(--sec-margin)*1.5) auto calc(var(--sec-margin)*5);
  padding: calc(var(--sec-margin)*2) 0;
}
/* 斜め背景（高さを固定化） */
.concept__fig{
  position: absolute;
  inset: 0; /* 上下左右0配置/clip-path背景/テキスト量が変わっても崩れない */
  width: 90%;
  left: -35%;
  clip-path: polygon(15% 0, 100% 0, 85% 100%, 0% 100%);
  background: linear-gradient(90deg, #be9e90 0%, #f0a327 90%);
  z-index: -1;
}

.concept__in{
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
/* 本文エリア */
.concept__body{
  width: 50%;
  padding-left: 6%;
  text-align: justify;
  z-index: 1;
}
.concept__copy{
  font-size: clamp(26px,4.0vw,42px);
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: -.005em;
  padding-bottom: calc(var(--sec-margin)*0.5);
}
.concept__text{
  width: 76%;
}
/* リンクエリア */
.concept__links{
  width: 44%;
  padding-top: 20%;
  padding-right: 4%;
  z-index: 1;
}
.concept__links ul{
  width: 100%;
}
.concept__links li:nth-of-type(1){ margin-left: 4%;  }
.concept__links li:nth-of-type(2){ margin-left: 2%;  }

/* 背景画像（装飾） */
.concept__bg{
  z-index: 0;
  position: absolute;
  background-size: contain;
  background-repeat: no-repeat;
}
.concept__bg--1{
  background-image: url(../img/top/concept_bg_1.png);
  width: min(500px,55%);
  height: min(500px,55%);
  right: -8%;
  top: -10%;
}
.concept__bg--2{
  background-image: url(../img/top/concept_bg_2.png);
  width: min(590px,55%);
  height: min(590px,55%);
  left: 3%;
  top: 90%;
}
.concept__bg--3{
  background-image: url(../img/top/concept_bg_3.png);
  width: min(240px,30%);
  height: min(240px,30%);
  right: 12%;
  top: 88%;
}

@media screen and (max-width: 1000px) and (min-width: 651px){

  .concept__bg--2{
    left: -3%;
    top: 94%;
  }
  .concept__bg--3{
    right: 5%;
    top: 92%;
  }
}

@media screen and (max-width: 650px){
  
  .top_concept{
    position: relative;
    width: 100%;
    margin: calc(var(--sec-margin)*4) auto calc(var(--sec-margin)*7);
    padding: calc(var(--sec-margin)*2.5) 0;
  }
 /* 斜め背景（高さを固定化） */
  .concept__fig{
    width: 130%;
  }
  .concept__in{
    display: block;
  }
  .concept__body{
    width: 100%;
    padding-left: 6%;
  }
  .concept__text{
    width: 80%;
  }
  .concept__links{
    width: 100%;
    padding: 2rem 0 0 6%;
  }
  .concept__links ul{
    width: 100%;
  }
  .concept__links li:nth-of-type(1),
  .concept__links li:nth-of-type(2){ margin-left: 0;}
  
  .concept__bg--1{
    right: -8%;
    top: -12%;
  }
  .concept__bg--2{
    left: -3%;
    top: 95%;
  }
  .concept__bg--3{
    right: 5%;
    top: 110%;
  }
}

/* top_business
-------------------------------------------*/

.top_business{
  width: 100%;
  padding: calc(var(--sec-margin)*2) 0 calc(var(--sec-margin)*4);
  background: url(../img/top/bg_business.jpg) no-repeat center top / cover;
  color: #fff;
}
.business__in{
  width: min(80%,1200px);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  text-align: justify;
}
.business__body{
  width: 37%;
}
.business_nav{
  padding-top: 2rem;
}
.business_img{
  width: 53%;
}

@media screen and (max-width: 650px){
  .top_business{
    padding: calc(var(--sec-margin)*3) 0 calc(var(--sec-margin)*4);
  }
  .business__in{
    text-align: center;
    display: block;
  }
  .business__body,
  .business_nav ul li,
  .business_img{
    width: 100%;
  }
  .business_img{
    padding: 4rem 0 8rem;
  }
  .business_img img{
    margin: 0 auto;
  }
}

/* top_casestudy
-------------------------------------------*/

.top_case{
  width: 95%;
  color: #fff;
  margin: -15rem 0 0 auto;
}
.case__in{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  background-color: #4e586f;
  border-radius: 20px 0 0 20px;
  padding: var(--sec-margin);
  padding-right: 0;
  padding-bottom: calc(var(--sec-margin) * 0.75);
}
.case__body{
  width: 25%;
}
.case_slider{
  width: 65%;
  position: relative;
}
.case_slider__track{
  width: 100%;
  overflow: visible; /* センターモード用 */
}
.case_slider__slick{
  width: 100%;
}
.case_slider__item{
  padding: 0 1rem;
  display: block;
}
.case_card{
  display: flex;
  flex-direction: column;
  height: 100%;
  font-size: clamp(10px,1.538vw,13px);
  line-height: 1.75;
}
.card__pic{
  width: 266px;
  aspect-ratio: 266 / 180; /* ← 高さを自動で180px相当に固定 */
  overflow: hidden;
  border-radius: 12px;
}
.card__pic img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.card__num{
  padding-top: .75rem;
  font-weight: 600;
  letter-spacing: .05em;
  font-family: var(--font-en);
  color: var(--orange);
}
.card__text{
  width: 266px;
  margin-top: auto; /* 下揃え */
}
.case_slider__nav{
  position: absolute;
  top: 50%;
  left: -50px;
  transform: translateY(-50%);
  z-index: 50;
}
.case_slider__prev{
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid #fff;
  cursor: pointer;
  position: relative;
  transition: 0.3s ease;
}
.case_slider__prev:hover{
  background: rgba(255,255,255,0.2);
}
.case_slider__prev::before{
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  border-left: 1px solid #fff;
  border-bottom: 1px solid #fff;
  top: 50%;
  left: 50%;
}
.case_slider__prev::before{
  transform: translate(-30%, -50%) rotate(45deg);
}

@media screen and (max-width: 650px){
  
  .top_case{
    margin: -12rem 0 0 auto;
  }
  .case__in{
    padding: 5rem 1.5rem;
    padding-right: 0;
    border-radius: 12px;
  }
  .case__body{
    width: 30%;
  }
  .case__in .sec_head__read{
    font-size: 11px;
    line-height: 1.75;
    text-align: justify;
  }
  .case_slider{
    width: 55%;
  }
  .card__pic{
    width: 160px;
    aspect-ratio: 160 / 120; /* ← 高さを自動で120px相当に固定 */
  }
  .card__text{
    width: 160px;
  }
  .case_slider__nav{
    left: -1.25rem;
  }
  .case_slider__prev{
    width: 26px;
    height: 26px;
  }
  .case_slider__prev::before{
    width: 8px;
    height: 8px;
  }
}


/* top_sustainability
-------------------------------------------*/

.top_sustainability{
  position: relative;
  overflow: hidden;
  width: min(90%,1200px);
  height: auto;
  margin: calc(var(--sec-margin)*1.5) auto 0;
}
.sustainability__in{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: calc(var(--sec-margin)*1.5) var(--sec-margin);
  background: url(../img/top/bg_sdgs.jpg) no-repeat center / cover;
  border-radius: 20px;
}
.top_sustainability .sec_head {
  flex: 1 1 50%;
}
.top_sustainability ul {
  flex: 1 1 40%;
}

@media screen and (max-width: 650px){
  
  .top_sustainability{
    margin: calc(var(--sec-margin)*2) auto;
  }
  .sustainability__in{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 4rem 1.5rem;
    gap: 2rem;
    border-radius: 12px;
  }
  .top_sustainability .sec_head,
  .top_sustainability ul{
    flex-basis: 100%;
  }
  .top_sustainability ul li{
    width: 100%;
  }
}

/* top_news
-------------------------------------------*/

.top_news{
  width: var(--page-width);
  margin: var(--sec-margin) auto;
}
.news__in{
  width: 100%;
}
.news_list ul{
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}
.news_list li a{
  display: flex;
  align-items: center;
  box-sizing: border-box;
  gap: 2rem;
  padding: 1.75rem 0;
  padding-right: 2rem;
  width: 100%;
  border-top: 1px solid var(--border-color);
  background: url(../img/cmn/ic-arrow.svg) no-repeat right center / 26px;
}
.news_list li a:hover{
  background-color: rgba(255,255,255,0.03);
}
.news_list li a .data{
  font-family: var(--font-en);
}
.news_list li a .cat{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;/*改行禁止*/
  height: 36px;
  border-radius: 99999px;
  padding: 0 1.5rem;
  line-height: 2.3;
  border: 1px solid var(--orange);
  font-size: clamp(11px,1.692vw,14px);
}
.news_link{
  text-align: right;
  padding: 1.5rem 0;
}
.news_link a{
  padding: 1rem 3rem;
  background: url(../img/cmn/ic-arrow.svg) no-repeat right center / 26px;
}
.news_link a:hover{
  opacity: var(--hover);
}

@media screen and (max-width: 650px){
  
  .top_news{
    margin-top: 0;
  }
  .news_list li a{
    flex-wrap: wrap;
    gap: .5rem;
    padding: 1.25rem 0;
    padding-right: 2rem;
    background-size: 20px;
  }
  .news_list li a .cat{
    height: 28px;
  }
  .news_link a{
    padding: 1rem 2rem;
    background-size: 20px;
  }
  .news_list li a .tit{
    width: 100%;
  }
}