@charset "UTF-8";

/* =====================================================================
 common
===================================================================== */
/* ----------------  */
* { margin:0; padding:0;}

._en { display: none;}

.pc {
  display: block;
}

.sp {
  display: none !important;
}

img {
  width: 100%;
  height: auto;
  vertical-align: bottom;
}

svg {
  width: 100%;
  height: auto;
  vertical-align: bottom;
}

.inner950 {
  max-width: 950px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  color: #3c3c3c;
  text-align: center;
  font-weight: 500;
  font-size: 103%;
  line-height: 1.5;
  letter-spacing: .04em;
  padding: 14.5px;
  max-width: 360px;
  box-sizing: border-box;
  border: 1px solid #3C3C3C;
  border-radius: 10px;
  text-decoration: none!important;
  margin: 0 auto;
  display: block;
  position: relative;
  background:#fff;
  transition-property: background;
  transition-duration: 0.3s;
}

.btn:hover {
  background-color: #F5F5F6;
}

.btn::after {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  border-top: 1px solid #173f93;
  border-right: 1px solid #173f93;
  position: absolute;
  top: 50%;
  right: 22px;
  transform: translateY(-50%) rotate(45deg);
}

.btn_txt {
  padding-left: 20px;
  padding-right: 20px;
  display: block;
}


/* =====================================================================
 index
===================================================================== */
.title-visual {
/*  padding-top: 38px;
  padding-bottom: 242px;*/
  position: relative;
  display: block;
  text-decoration: none !important;
  border: none;
  overflow: hidden;
  margin-bottom: calc(100px - 40px);/* 下にパーツが来るため */
}
.title-visual::after {
  content: "";
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  background-image: url(/sustainability/image/index_tit_bg.jpg);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  border: none;
  z-index: -1;
  overflow: hidden;
}
.title-visual__inner {
  max-width: 950px;
  margin: 0 auto;
  padding-right: 30px;
  padding-left: 30px;
  padding-top: 55px;
  padding-bottom: 185px;
}
.title-visual__title {
  font-size: calc(40 / 15 * 100%);
  line-height: calc(60 / 40);
  color: #fff;
  font-weight: 400;
}

.c-section__purpose {
  max-width: 950px;
  margin: 0 auto 100px;
  height: 200px;
}
.c-section__purpose_link {
  padding-top: 60px;
  padding-bottom: 41px;
  position: relative;
  display: block;
  text-decoration: none !important;
  border: none;
  overflow: hidden;
  -webkit-transition: all 0.3s ease-out;
  -moz-transition: all 0.3s ease-out;
  -ms-transition: all 0.3s ease-out;
  transition: all 0.3s ease-out;
}
.c-section__purpose_link::after {
  content: "";
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  background-image: url(/sustainability/image/index_purpose_link_bg.jpg);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  border: none;
  z-index: -1;
  overflow: hidden;
  -webkit-transition: all 0.3s ease-out;
  -moz-transition: all 0.3s ease-out;
  -ms-transition: all 0.3s ease-out;
  transition: all 0.3s ease-out;
}
.c-section__purpose_link:hover::after {
  -moz-transform: scale(1.1);
  -webkit-transform: scale(1.1);
  -ms-transform: scale(1.1);
  transform: scale(1.1);
}
.c-section__purpose_link h2 {
  color: #fff;
  font-size: calc(24 / 15 * 100%);
  line-height: calc(39 / 24);
  font-weight: 400;
/*  letter-spacing: 0.1em;*/
  text-align: center;
  transform: none;
  margin-bottom: 30px;
}
.c-section__purpose_link p {
  color: #fff;
  font-size: calc(20 / 15 * 100%);
  line-height: calc(30 / 20);
/*  letter-spacing: 0.1em;*/
  text-align: center;
  position: relative;
  margin-top: 8px;
  padding-right: 12px;
  transform: none;
}
.c-section__purpose_link p::after {
  content: "";
  display: inline-block;
  width: 7px;
  height: 12px;
  background-image: url(/sustainability/image/icn_right_arrow_white.svg);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  position: relative;
  top: -1px;
  right: -12px;
}

.c-section__materiality {
  max-width: 950px;
  margin: 0 auto 100px;
  padding: 0 30px;
}
.sus-h2 {
  font-size: calc(32 / 15 * 100%);
  line-height: calc(42 / 32);
  font-weight: 500;
  margin-bottom: 16px;
}
.c-heading2.c-heading2_border_none {
  border-bottom: 0 !important;
  margin-bottom: 20px !important;
}


.lead-txt {
  font-size: calc(16 / 15 * 100%);
  line-height: calc(28 / 16);
  font-weight: 400;
  margin-bottom: 28px;
}

.c-section__materiality_list {
  display: flex;
  flex-flow: wrap;
  justify-content: space-between;
  width: 100%;
  max-width: 950px;
}
.c-section__materiality_list._2 {
  width: calc((705/950)*100%);
  max-width: 705px;
  margin: 0 auto;
}
.c-section__materiality_list__link {
/*  width: calc((215/950)*100%);
  margin-bottom: 30px; 240111 */
  width: calc((186/950)*100%);
  margin-bottom: 60px;
  border-radius: 4px;
  /* filter: drop-shadow(0 3px 6px rgba(0,0,0,.16)); */
  position: relative;
  display: flex;/* 孫要素の高さを揃える1-3 */
  flex-direction: column;/* 孫要素の高さを揃える2-3 */
}
.c-section__materiality_list._2 .c-section__materiality_list__link {
/*  width: calc((215/705)*100%); 240111 */
  width: calc((186/705)*100%);
  margin-bottom: 0;
}
.c-section__materiality_list__link::after {
  content: "";
/*  width: 7px;
  height: 12px; 240111 */
  width: 7px;
  height: 10px;
  background-image: url(/sustainability/image/icn_right_arrow_white.svg);
  background-repeat: no-repeat;
  background-position: center center;
/*  background-size: cover; 240111 */
  background-size: contain;
  position: absolute;
/*  bottom: 20px;
  right: 17px; 240111 */
  bottom: 16px;
  right: 14px;
}
.c-section__materiality_list__link:hover {
  border-radius: 0;
  text-decoration: none !important;
}
.index_materiality_icon01 {
  background: #A78FC1;
}
.index_materiality_icon02 {
  background: #9ACC77;
}
.index_materiality_icon03 {
  background: #BFAF86;
}
.index_materiality_icon04 {
  background: #95B7E1;
}
.index_materiality_icon05 {
  background: #84CCC9;
}
.index_materiality_icon06 {
  background: #F7B86D;
}
.index_materiality_icon07 {
  background: #F3A8BB;
}
.c-section__materiality_list__link_img {
/*  width: 112px;
  margin: 0 auto;
  padding-top: 26px;
  padding-bottom: 18px; 240111 */
  /* width: 100px; */
  margin: 0 auto;
}
.c-section__materiality_list__link_img img {
  transition: transform .3s ease;
}
.c-section__materiality_list__link:hover .c-section__materiality_list__link_img img {
  transform: scale(1.1);
  /* filter: drop-shadow(0 3px 6px rgba(0,0,0,.16)); */
}
.c-section__materiality_list__txt {
  text-align: center;
  color: #000;
  font-size: calc(15 / 15 * 100%);
  line-height: calc(28 / 18);
  font-weight: 500;
  flex-grow: 1;/* 孫要素の高さを揃える3-3 */
  width: 100%;
  display: table;/* 上下中央に配置1-3 */
  padding-top: 8px;
}
.c-section__materiality_list__txt span {
  display: table-cell;/* 上下中央に配置2-3 */
  vertical-align: middle;/* 上下中央に配置3-3 */
}
.c-section__materiality .btn {
  margin-top: 43px;
}

.c-section__topics {
  position: relative;
  padding: 66px 0 0;
  margin-bottom: calc(100px - 40px);/* ライブラリタイトルc-heading2を使用するため */
}
.c-section__topics::after {
  position: absolute;
  content: "";
  margin: auto;
  box-sizing: border-box;
  vertical-align: middle;
  top: 0;
  left: 0;
  width: 100%;
  height: 330px;
  background-color: #F5F5F6;
  z-index: -1;
}

.c-section__topics_inner {
  max-width: 950px;
  margin: 0 auto;
  padding: 0 30px;
}
.c-section__topics .btn {
  margin-top: 43px;
}

.c-section__topics_list {
  display: flex;
  justify-content: space-between;
}
.c-section__topics_list li {
  width: calc((296/950)*100%);
  position: relative;
  margin-bottom: 7px;
}
.topics_list_txt {
  width: 100%;
  position: absolute;
  left: 50%;
  top: 46%;
  transform: translate(-50%,-46%);
	-webkit-transition:	all 0.3s ease;
	transition: all 0.3s ease;
}
.topics_list_txt h3 {
  color: #fff;
  font-size: calc(32 / 15 * 100%);
  line-height: calc(39 / 32);
  font-weight: 500;
  text-align: center;
  margin-bottom:6px;
}
.topics_list_txt p {
  color: #fff;
  font-size: calc(16 / 15 * 100%);
  line-height: calc(21 / 16);
  font-weight: 400;
  text-align: center;
}
.topics__hover_mask .mask_caption {
/*  padding: clamp(0.75rem, -1.36rem + 4.4vw, 1.25rem) clamp(0.75rem, -3.47rem + 8.79vw, 1.75rem); 240111 */
  padding: 20px;
}
.topics__hover_mask .mask_caption h3 {
  color: #fff;
/*  font-size: clamp(1.25rem, -0.332rem + 3.3vw, 1.625rem); 240111 */
  font-size: calc(26 / 15 * 100%);
  line-height: calc(39 / 26);
  font-weight: 500;
  position: relative;
  border-bottom: 1px solid #fff;
  padding-bottom: 10px;
}
.topics__hover_mask .mask_caption ul {
  list-style-type: none;
  width: 100%;
  margin-top: 20px /*clamp(0.375rem, -3.317rem + 7.69vw, 1.25rem)*/;
  margin-left: 20px;
}
.topics__hover_mask .mask_caption li {
  width: 88%;
  margin-bottom: 12px /*clamp(0.125rem, -1.985rem + 4.4vw, 0.625rem)*/;
  position: relative;
  line-height: 1.4 !important;
}
.topics__hover_mask .mask_caption li::before {
  position: absolute;
  top: 11px;
  left: -20px;
  content: "";
  width: 10px;
  height: 2px;
  background: #fff;
}
.topics__hover_mask .mask_caption li > a {
  color: #fff;
/*  font-size: clamp(0.688rem, 0.008rem + 1.42vw, 0.875rem);*/
  font-size: calc(14 / 15 * 100%);
  line-height: 1.4 !important;
  font-weight: 400;  
}
.mask_caption_link {
  position: absolute;
  bottom: 0;
  right:0;
  background: #fff;
  color: #3C3C3C;
  font-size: calc(16 / 15 * 100%) /*clamp(0.875rem, 0.348rem + 1.1vw, 1rem)*/;
  line-height: calc(30 / 16);
  font-weight: 400;
/*  padding: clamp(0.125rem, -1.457rem + 3.3vw, 0.5rem) clamp(1.563rem, -1.075rem + 5.49vw, 2.188rem) clamp(0.063rem, -1.256rem + 2.75vw, 0.375rem) clamp(0.938rem, -1.7rem + 5.49vw, 1.563rem);*/
  /* ↑ 2px 25px 1px 15px　～　10px 35px 10px 25px*/
  padding: 10px 35px 10px 25px;
  border-radius: 10px 0 0 0;
	-webkit-transition:	all 0.3s ease;
	transition: all 0.3s ease;
}
.mask_caption_link:hover {
  text-decoration: none;
  background: #F5F5F6;
}
.mask_caption_link::after {
  content: "";
  display: inline-block;
  width: 5px;
  height: 10px;
  background-image: url(/sustainability/image/icn_right_arrow_blue.svg);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  position: relative;
  top: -1px;
  right: -12px;
}
.topics__hover_mask {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	background-color:	rgba(0,0,0,0.1);
	-webkit-transition:	all 0.3s ease;
	transition: all 0.3s ease;
}
/* .c-section__topics_list li:hover .topics__hover_mask {
	opacity: 1;
} */
.c-section__topics_list li:hover .topics_list_txt {
  display: none;
}

.c-section__library_list {
  display: flex;
  gap: calc((30/950)*100%);
}
.library_list__link {
  width: calc((296/950)*100%);
  box-sizing: border-box;
  color: #3C3C3C;
  text-decoration: none!important;
}
.library_list__link__img_wrap {
  border: 1px solid #DCDCDC;
}
.library_list__link__txt_wrap {
  margin-top: 9px;
}
.library_list__link__txt {
  font-size: calc(16 / 15 * 100%);
  line-height: calc(28 / 16);
  font-weight: 400;
}


.c-section__recommend {
    padding: 20px 30px 52px;
    background-color: #F5F5F6;
}
.c-section__recommend_list {
  display: flex;
  gap: 0 calc(30/950*100%);
}
.recommend_list__link {
  width: calc((296/950)*100%);
  box-sizing: border-box;
  color: #3C3C3C;
  text-decoration: none!important;
}
.recommend_list__link__img_wrap {
  border: 1px solid #DCDCDC;
}
.recommend_list__link__txt_wrap {
  margin-top: 9px;
}
.recommend_list__link__title {
    line-height: calc(28 / 16);
    font-weight: 500;
    margin-bottom: 10px;
}
.recommend_list__link__txt {
  font-size: calc(13 / 15 * 100%);
  line-height: calc(28 / 16);
  font-weight: 400;
}

.p-sustainability_image-text__list {
  display: flex;
  gap: calc(30/950*100%);
}
.p-sustainability_image-text__item {
  width: calc(460/950*100%);
}

.p-sustainability_image-text__link:hover{
  text-decoration: none;
}

.p-sustainability_image-text__image-title {
  position: relative;
  margin-bottom: 15px;
}

.p-sustainability_image-text__title {
  position: absolute;
  bottom: 0;
  left: 0;
  background-color: rgba(0,0,0,0.8);
  color: #fff;
  width: 100%;
  padding: 17px 19px;
  box-sizing: border-box;
  font-size: 16px;
  font-weight: 700;
}
.p-sustainability_image-text__title::after {
  content: "";
  position: absolute;
  margin: auto;
  box-sizing: border-box;
  vertical-align: middle;
  top: 0;
  bottom: 0;
  right: 20px;
  transform: translate(4px, 1px) rotate(135deg);
  transform-origin: top left;
  border-top: 2px solid #fff;
  border-left: 2px solid #fff;
  width: 8px;
  height: 8px;
  transition-property: top, right, bottom, left;
  transition-duration: 0.3s;
}

.p-sustainability_image-text__desc {
  color: #3C3C3C;
}

.p-sustainability__heading2 {
    font-weight: 400;
    font-size: 24px;
    margin-bottom: 40px !important;
    text-align: center;
}
.p-sustainability__text {
    font-size: calc(16 / 15* 100%);
    line-height: calc(28 / 16);
    font-weight: 400;
    margin-bottom: 28px;
    text-align: center;
}

/* =====================================================================
 RESPONSIVE
===================================================================== */
/* ---------------------------------------------------------------------
 Tablet
--------------------------------------------------------------------- */
@media only screen and (max-width: 1010px) {
  .topics__hover_mask.pc {
    display: none;
  }
  .c-section__topics_list li:hover .topics_list_txt {
    display: block;
  }
  .topics__link_sp.sp {
    display: block !important;
  }
  .topics__link_sp {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
  }
  .topics__link_sp a {
    display: block !important;
    padding-bottom: calc((350/296)*100%);
  }
}


/* ---------------------------------------------------------------------
 SmartPhone
--------------------------------------------------------------------- */
@media only screen and (max-width: 767px) {
  /* -------- common -------- */
  .pc {
    display: none !important;
  }
  .sp {
    display: block !important;
  }
  .inner950 {
    padding: 0 calc((40/750)*100vw);
    /* padding: 0 20px; */
  }
  .btn {
    font-size: 15.5px;
  }
  /* -------- index -------- */
  .title-visual {
    margin-bottom: calc(60px - 22.5px);/* 下にパーツが来るため */
  }
  .title-visual::after {
    background-image: url(/sustainability/image/index_tit_bg_sp.jpg);
  }
  .title-visual__inner {
    padding-right: calc((20/375)*100%);
    padding-left:  calc((20/375)*100%);
    padding-top: calc((40/375)*100%);
    padding-bottom: calc((111/375)*100%);
  }
  .title-visual__title {
    font-size: calc(30 / 14 * 100%);
    line-height: calc(60 / 30);
  }

  .c-section__purpose {
    margin: 0 auto 40px;
    height: calc((200/375)*100%) !important;
  }
  .c-section__purpose_link {
    padding-top: calc((44/375)*100%) /*50px*/;
    padding-bottom: calc((28/375)*100%) /*34px*/;
    height: calc((200/375)*100%)/*200px*/ !important;
    overflow: hidden;
  }
  .c-section__purpose_link::after {
    background-image: url(/sustainability/image/index_purpose_link_bg_sp.jpg);
    background-position: bottom center;
  }
  .c-section__purpose_link h2 {
    font-size: calc(20 / 14 * 100%);
    line-height: calc(36 / 20);
    margin-bottom: calc((26/375)*100%)/*30px*/;
  }
  .c-section__purpose_link p {
    font-size: calc(16 / 14 * 100%);
    line-height: calc(30 / 16);
    margin-top: 0;
  }
  .c-section__purpose_link p::after {
    width: 5px;
    height: 9px;
    top: -1px;
    right: -10px;
  }

  .c-section__materiality {
    margin: 40px auto 60px;
    padding: 0 20px;
  }
  .sus-h2 {
    font-size: calc(24 / 14 * 100%);
    line-height: calc(64 / 24);
    margin-bottom: 16px;
  }
  .lead-txt {
    font-size: calc(14 / 14 * 100%);
    line-height: calc(26 / 14);
    margin-bottom: calc((26/375)*100%)/*30px*/;
  }

  .c-section__materiality_list,
  .c-section__materiality_list._2 {
    width: /*calc((705/950)*100%)*/100%;
    max-width: inherit;
  }
  .c-section__materiality_list__link,
  .c-section__materiality_list._2 .c-section__materiality_list__link {
    width: calc((158/335)*100%);
    margin-bottom: calc((20/375)*100%)/*20px*/;
  }
  .c-section__materiality_list__link::after {
    content: "";
    width: 6px;
    height: 10px;
    bottom: 13px;
    right: 13px;
  }
  .c-section__materiality_list__link_img {
    /* width: calc((102/158)*100%)102px; */
    margin: 0 auto;
  }
  .c-section__materiality_list__txt {
    font-size: clamp(0.75rem, 0.023rem + 3.64vw, 0.875rem)/*calc(14 / 14 * 100%)*/;
    line-height: calc(22 / 14);
    padding-bottom: 29px;
  }
  .c-section__materiality_list._2 .c-section__materiality_list__link:last-child {
    display: block;
    margin: 0 auto;
  }

  .c-section__topics {
    padding: 34px 0 50px;
    margin-bottom: 20px;/* ライブラリタイトルc-heading2を使用するため */
    background-color: #F5F5F6;
  }
  .c-section__topics::after {
    display: none;
  }
  .c-section__topics_inner {
    padding: 0 20px;
  }
  .c-section__topics .btn {
    margin-top: 30px;
  }

  .c-section__topics_list {
    display: block;
  }
  .c-section__topics_list li {
    width: 100%;
    margin-bottom: 30px;
  }
  .topics_list_txt {
    width: 100%;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
  }
  .topics_list_txt h3 {
    font-size: calc(30 / 14 * 100%);
    line-height: calc(39 / 30);
  }
  .topics_list_txt p {
    font-size: calc(16 / 14 * 100%);
    line-height: calc(21 / 16);
  }
  .c-section__topics_list li:hover .topics_list_txt {
    display: block;
  }
  .topics__link_sp a {
    padding-bottom: calc((200/335)*100%);
  }
  
  .c-section__library_list {
    display: block;
  }
  .library_list__link {
    display: block;
    width: 100%;
    margin: 10px auto 30px;
  }
  .library_list__link__txt_wrap {
    margin-top: 6px;
  }
  .library_list__link__txt {
    font-size: calc(14 / 14 * 100%);
    line-height: calc(20 / 14);
  }
  .c-section__detail.c-section__library {
    margin-bottom: 30px;
    
  }

  .c-section__recommend_list {
    display: flex;
    gap: 30px;
    flex-direction: column;
  }
  .recommend_list__link {
    width: 100%;
    box-sizing: border-box;
    color: #3C3C3C;
    text-decoration: none!important;
  }

  .p-sustainability_image-text__list {
    flex-direction: column;
    gap: 30px;
  }
  
  .p-sustainability_image-text__item {
    width: 100%;
  }

  .p-sustainability_image-text__title {
    padding-right: 44px;
  }

  .p-sustainability__heading2 {
    font-size: 20px;
  }
  .p-sustainability__text {
    font-size: calc(14 / 14* 100%);
    line-height: calc(26 / 14);
    margin-bottom: calc((26 / 375)* 100%) /*30px*/;
  }
}

.topics_list01 .topics__hover_mask {
  background-image: URL("/sustainability/image/index_topics_list01_hover.jpg");
  background-repeat: no-repeat;
  background-size: contain;
}
.topics_list02 .topics__hover_mask {
  background-image: URL("/sustainability/image/index_topics_list02_hover.jpg");
  background-repeat: no-repeat;
  background-size: contain;
}
.topics_list03 .topics__hover_mask {
  background-image: URL("/sustainability/image/index_topics_list03_hover.jpg");
  background-repeat: no-repeat;
  background-size: contain;
}