/*--------------------*/
/* base
/*--------------------*/

li {
    list-style-type: none;
}

img {
    width: 100%;
}

html,
body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
}

/* 基本設定
/*--------------------*/
/* fv
/*--------------------*/

.fv {
    margin: 4.5rem 0 7.2rem;
    padding: 0 2.8rem;
}

@media (max-width: 768px) {
    .fv {
        margin: 3.6rem 0 0;
        padding: 0 5vw;
    }
}

.fv_img {
    width: 100%;
    margin: 0 auto;
}

@media (max-width: 768px) {

    .fv_img {
        width: 100%;
    }

    .fv_img img {
        height: 36.4rem;
        object-fit: cover;
    }
}

/* environment
/*--------------------*/

.environment {
    padding-top: 5.2rem;
}

.environment_ttl {
    font-size: 3.6rem;
    color: #a3b5ac;
    display: flex;
    align-items: center;
    font-family: "Cinzel", serif;
    letter-spacing: 0.1em;
}

@media (max-width: 768px) {
    .environment_ttl {
        font-size: 3rem;
    }
}

.environment_ttl::before {
    content: "";
    border-top: 1px solid #a3b5ac;
    width: 10.6vw;
    margin-right: 1rem;
}

@media (max-width: 768px) {
    .environment_ttl::before {
        width: 3rem;
        margin-right: 1.55rem;
    }
}

.environment_txt {
    font-size: 0.9vw;
    margin-top: 0.6rem;
    margin-left: 11.5vw;
    letter-spacing: 0.22em;
}

@media (max-width: 768px) {
    .environment_txt {
        font-size: 1.4rem;
        margin-top: 1.1rem;
        margin-left: 4.65rem;
    }
}

.environment-content {
    padding: 0;
}

/* tab
/*--------------------*/
.tab {
    padding: 0 0 8rem;
    text-align: center;
}

@media screen and (max-width: 768px) {
    .tab {
        padding-bottom: 0;
    }
}


/*タブのスタイル*/
.tab-wrap {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    gap: 8px;
}

@media screen and (max-width: 768px) {
    .tab-wrap {
        gap: 2px;
    }
}

.tab_item {
    flex: 1;
    width: calc(20% - 16px);
    background-color: #e6e6e6;
    padding: 1.8rem 0;
    font-size: 1.4rem;
    text-align: center;
    color: #333333;
    display: block;
    text-align: center;
    font-weight: bold;
    transition: all 0.2s ease;
    cursor: pointer;
}

@media screen and (max-width: 768px) {
    .tab_item {
        font-size: 1.2rem;
        min-width: calc(50% - 16px);
    }
}
.tab_item:hover {
    opacity: 0.75;
}

/*ラジオボタンを全て消す*/
input[name="tab_item"] {
    display: none;
}

.tab_contents {
    margin-top: 5.3rem;
}

@media screen and (max-width: 768px) {
    .tab_contents {
        margin-top: 2.5rem;
    }
}

/*タブ切り替えの中身のスタイル*/
.tab_content {
    display: none;
    clear: both;
    overflow: hidden;
}

/*選択されているタブのコンテンツのみを表示*/
#reduce:checked ~ .tab_contents #reduce_content,
#reuse:checked ~ .tab_contents #reuse_content,
#rcycle:checked ~ .tab_contents #rcycle_content,
#renewable:checked ~ .tab_contents #renewable_content {
    display: block;
}

/*選択されているタブのスタイルを変える*/
.tabs input#reduce:checked ~ .tab-wrap .tab_item[for="reduce"],
.tabs input#reuse:checked ~ .tab-wrap .tab_item[for="reuse"],
.tabs input#rcycle:checked ~ .tab-wrap .tab_item[for="rcycle"],
.tabs input#renewable:checked ~ .tab-wrap .tab_item[for="renewable"] {
    background-color: #c7ddd1;
    color: #fff;
}

.tab_content {
    gap: 2.2vw;
    flex-wrap: wrap;
}

@media screen and (max-width: 768px) {
    .tab_content {
        gap: 3.5vw;
    }
}

.util_ttl {
    text-align: left;
    font-size: 3rem;
    letter-spacing: 0.1em;
	font-family: 'Hind', sans-serif;
}

@media screen and (max-width: 768px) {
    .util_ttl {
        font-size: 2.8rem;
    }
}

.util_txt {
    text-align: left;
    font-size: 1.4rem;
    color: #a3b5ac;
    margin-top: 0.5rem;
}

@media screen and (max-width: 768px) {
    .util_txt {
        font-size: 1.2rem;
    }
}

.util_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-top: 6.2rem;
}

.util_list::after{
  content:"";
  display: block;
  width:30%;
}

@media screen and (max-width: 768px) {
    .util_list {
        margin-top: 4rem;
    }
}

.util_item {
    width: 30%;
    margin-bottom: 7rem;
    position: relative;
}
.util_item:first-child::after,
.util_item:nth-child(2)::after,
.util_item:nth-child(4)::after,
.util_item:nth-child(5)::after {
    content: '';
    width: 1px;
    height: 100%;
    background: #E5E5E5;
    position: absolute;
    right: -9%;
    top: 0;
}

@media screen and (max-width: 768px) {
.util_item {
    width: 100%;
}
.util_item:last-child {
    margin-bottom: 0;
}
.util_item:first-child::after,
.util_item:nth-child(2)::after,
.util_item:nth-child(4)::after,
.util_item:nth-child(5)::after {
    content: none;
}
}

.util_img {
    margin-bottom: 3.15rem;
}

.util_sub-ttl {
    font-size: 1.6rem;
    letter-spacing: 0.1em;
    margin-bottom: 2.75rem;
    text-align: left;
	line-height: 1.625;
}

@media screen and (max-width: 768px) {
    .util_sub-ttl {
        font-size: 1.4rem;
        margin-top: 2.5rem;
    }
}

.util_sub-txt {
    font-size: 1.4rem;
    letter-spacing: 0.1em;
    text-align: left;
    line-height: 1.85;
}

.util_sub-txt a:link {
	text-decoration: underline;
}

@media screen and (max-width: 768px) {
    .util_sub-txt {
        font-size: 1.2rem;
        line-height: 1.5;
    }
}

/* sitelist
/*--------------------*/

.sitelist {
    padding: 15rem 0 15.4rem;
}

@media (max-width: 768px) {
    .sitelist {
        padding: 5rem 0 10.2rem;
    }
}

.sitelist_list {
    width: 80%;
    margin: 0 auto;
    display: flex;
}

@media (max-width: 768px) {
    .sitelist_list {
        display: block;
        width: 87%;
    }
}

.sitelist_list:not(:first-child) {
    margin-top: 6.7rem;
}

@media (max-width: 768px) {
    .sitelist_list:not(:first-child) {
        margin-top: 0;
    }
}

.sitelist_item {
    width: 46%;
}

@media (max-width: 768px) {
    .sitelist_item {
        width: 87%;
        margin: 5.7rem auto 0;
    }
}

.sitelist_item:not(:first-child) {
    margin-left: 7.2vw;
}

@media (max-width: 768px) {
    .sitelist_item:not(:first-child) {
        margin: 5.7rem auto 0;
    }
}

.sitelist_txt {
    font-size: 1.6rem;
    margin-top: 1.5rem;
    display: flex;
    align-items: center;
}

.sitelist_txt::before {
    content: "";
    border-top: 1px solid #a3b5ac;
    width: 2.4rem;
    margin-right: 1.5rem;
}

.sitelist_item img:hover {
    opacity: 0.5;
}

.col-environment {
    padding-bottom: 8rem !important;
}


.sustainable-content {
  padding: 0 0 13rem;
}
.sustainable-content .section_inner {
  padding: 0 40px;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}
.sustainable-content .flex_box .col-text {
    width: 58%;
}
.sustainable-content .flex_box .col-text h3{
  font-size: 2.8rem;
  letter-spacing: 0.5em;
  line-height: 1.8;
  margin-bottom: 4.4rem;
}
.sustainable-content .flex_box .col-text h3 span{
  display: block;
  font-size: 1.4rem;
  color: #A3B5AC;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  line-height: 1;
}
.sustainable-content .flex_box .col-text h4 {
    font-size: 2rem;
    padding: 0 0 2.2vw 0;
    border-bottom: 1px solid #CCCCCC;
}
.sustainable-content .flex_box .col-text p {
    font-size: 1.4rem;
    line-height: 2.2;
    margin-bottom: 0;
    margin-top: 1.5vw;
    padding: 0 10vw 2.2vw 0;
}
.sustainable-content .flex_box .col-img {
    width: 42%;
}



.gallery-sec {
  padding: 0 0 13rem;
}
.gallery-sec.last-sec {
  padding: 0 0 18rem;
  margin-bottom: 15rem;
  position: relative;
}
.gallery-sec.last-sec::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 3.1378vw;
  right: 3.1378vw;
  height: 1px;
  width: calc(100vw - 6.2756vw);
  background: #ccc;
}
.gallery-sec .gallery-intro {
  padding: 0 40px;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto 7rem;
}
.gallery-sec .left-box {
  width: 12.167%;
}
.gallery-sec .center-box {
  width: 24.583%;
}
.gallery-sec .right-box {
  width: 63%;
}
.gallery-sec .project-num {
  color: #A3B5AC;
}
.gallery-sec .project-num .project {
  font-size: 1.4rem;
  display: block;
  margin: -.6rem 0 0 1rem;
  transform: rotate(90deg);
  transform-origin: left;
}
.gallery-sec .project-num .number {
  font-size: 4.0rem;
  margin-left: 3rem;
}
.gallery-sec .project-tit h4 {
  font-size: 2.8rem;
  letter-spacing: 0.5em;
}
.gallery-sec .project-tit.en h4 {
  line-height: 1.5;
  letter-spacing: .1em;
}
@media screen and (max-width: 767px) {
.gallery-sec .project-tit.en h4 {
  font-size: 2.4rem;
}
}
.gallery-sec .project-tit h4 span {
  color: #A3B5AC;
  font-size: 1.6rem;
  display: block;
  margin-top: 1.5rem;
}
.gallery-sec .project-text h5 {
  font-size: 2.0rem;
  margin-bottom: 3rem;
}
@media screen and (max-width: 767px) {
.gallery-sec .project-text.en h5 {
  font-size: 1.8rem;
  line-height: 1.5
}
}
.gallery-sec .project-text p a {
  text-decoration: underline;
}

.gallery-block{
  width: calc(100% - 5.6vw);
  margin-left: 5.6vw;
  padding-top: 0;
  overflow: hidden;
}
.gallery-sec .gallery-wrap{
  max-width: calc(100% - 5.6vw);
  margin: 0 auto;
}
.slide-wrap .gallery-slide .slick-list{
  overflow: visible;
  padding-right: 12vw;
  margin-left: -40px;
}
.slide-wrap .gallery-slide .slide{
  margin-right: 20px;
}
.slide-wrap .gallery-option{
  margin-left: -30px;
  display: flex;
  justify-content: flex-start;
}
.slide-wrap .gallery-option .number {
  width: 10%;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.9rem;
  text-align: left;
}
.slide-wrap .gallery-option .number .ward {
  font-size: 70%;
  padding: 0 3rem;
}
.slide-wrap .gallery-option .number .now-count:before, .slide-wrap .gallery-option .number .all-count:before {
  content: "0";
}
.slide-wrap .gallery-option .number .all-count {
  color: #ACA4A4;
}
.slide-wrap .gallery-option .slick-dots{
  width: 90%;
  padding: 0 13.3vw 0 5vw;
  position: static;
  text-align: left;
}
.slide-wrap .slick-dots li{
  width: 20%;
  height: 1px;
  padding: 0;
  margin: 0;
}
.slide-wrap .slick-dots li button{
  width: 100%;
  height: 1px;
  padding: 0;
}
.slide-wrap .gallery-option .slick-dots li button:before{
  width: 100%;
  height: 1px;
  content: '';
  background: #CCCCCC;
}
.slide-wrap .gallery-option .slick-dots li.slick-active button:before{
  background: #5A6F65;
}

.slide-wrap .gallery-slide .slick-prev {
  position: absolute;
  z-index: 3;
  width: 50%;
  height: 100%;
  top: 50%;
  left: 0;
  cursor: pointer;
}
.slide-wrap .gallery-slide .slick-next {
  position: absolute;
  z-index: 3;
  width: 50%;
  height: 100%;
  top: 50%;
  right: 0;
  cursor: pointer;
  text-indent: -9999px;
}
.slide-wrap .gallery-slide:hover .slick-next:before {
  content: "";
  width: 2.6rem;
  height: 1.2rem;
  background: url(../img/cmn/arrow01.svg) no-repeat right center;
  background-size: contain;
  display: block;
  position: absolute;
  top: 50%;
  right: 2rem;
  transform: translateY(-50%);
  opacity: 1;
}
@supports (background-image: url("hotelniwa.webp")) {
.slide-wrap .gallery-slide:hover .slick-next:before {
  background: url(../img/cmn/arrow01.webp) no-repeat right center;
  background-size: contain;
}
}
.slide-wrap .gallery-slide .slick-prev {
  position: absolute;
  z-index: 3;
  width: 50%;
  height: 100%;
  top: 50%;
  left: 0;
  cursor: pointer;
  text-indent: -9999px;
}
.slide-wrap .gallery-slide:hover .slick-prev:before {
  content: "";
  width: 2.6rem;
  height: 1.2rem;
  background: url(../img/cmn/arrow01.svg) no-repeat right center;
  background-size: contain;
  display: block;
  position: absolute;
  top: 50%;
  left: 2rem;
  transform: translateY(-50%);
  transform: rotate(180deg);
  opacity: 1;
}
@supports (background-image: url("hotelniwa.webp")) {
.slide-wrap .gallery-slide:hover .slick-prev:before {
  background: url(../img/cmn/arrow01.webp) no-repeat right center;
  background-size: contain;
}
}

@media screen and (max-width: 768px) {
.sustainable-content .section_inner {
  padding: 0 20px;
}
.sustainable-content .flex_box .col-text {
  width: 100%;
}
.sustainable-content .flex_box .col-text h3 {
  letter-spacing: 0.2em;
}
.sustainable-content .flex_box .col-text h4 {
  padding: 0 0 5vw 0;
}
.sustainable-content .flex_box .col-text p {
  margin-top: 5vw;
  padding: 0 0 2.2vw 0;
}
.sustainable-content .flex_box .col-img {
  width: calc(100% - 40px);
  margin: 0 auto 4rem;
}
.gallery-sec .left-box,
.gallery-sec .center-box,
.gallery-sec .right-box {
    width: 100%;
}
.gallery-sec .project-num .project {
  margin: 0 0 1rem;
  transform: rotate(0);
}
.gallery-sec .project-num .number {
  margin-left: 0;
}
.gallery-sec .project-num {
  margin-bottom: 5rem;
}
.gallery-sec .project-tit h4 {
  letter-spacing: 0.2em;
  margin-bottom: 5rem;
}
.gallery-block {
  width: 100%;
  margin-left: 5vw;
  margin-top: 7.7vw;
}
.gallery-sec .gallery-wrap {
  max-width: 100%;
}
.slide-wrap .gallery-slide .slick-list{
  overflow: visible;
  padding-right: 0;
  margin-left: 0;
}
.slide-wrap .gallery-option{
  margin-left: 0;
}
.slide-wrap .gallery-option .number {
  width: 30%;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.9rem;
  text-align: left;
}
.slide-wrap .gallery-option .slick-dots{
  width: 65%;
  padding: 0 0 0 12vw;
}
.gallery-sec {
    padding: 0 0 10rem;
}
.gallery-sec.last-sec {
    padding: 0 0 10rem;
    margin-bottom: 5rem;
}
.gallery-sec .gallery-intro {
    margin: 0 auto 5rem;
}
}

.p-environment-ecomark {
  display: flex;
  justify-content: flex-end;
  position: absolute;
  right: 4rem;
  top: -3rem;
}
.p-environment-ecomark_inner {
  display: inline-flex;
  align-items: center;
  margin-top: 24px;
  padding: 6px 12px;
  border: 1px solid #cccccc
}
@media print, screen and (min-width: 1024px) {
  .p-environment-ecomark_inner {
    margin-top: 30px;
    padding: 8px 14px
  }
}
.p-environment-ecomark_inner > *:nth-child(1) {
  width: 30px;
  flex-shrink: 0;
  margin-right: 12px
}
.p-environment-ecomark p {
  font-size: 10px;
  line-height: 1.9;
  letter-spacing: 0.1em;
  color: #666666
}
@media print, screen and (min-width: 1024px) {
  .p-environment-ecomark p {
    font-size: 12px
  }
}
@media print, screen and (max-width: 1023px) {
  .p-environment-ecomark p {
    margin-bottom: 0 !important;
  }
.p-environment-ecomark {
  top: 5.5rem;
}
.p-environment-ecomark.en {
  top: 2.5rem;
}
.col-environment {
    padding-bottom: 14rem !important;
}
}
@media print, screen and (min-width: 1024px) {
  .u-hidePC {
    display: none;
  }
}
@media print, screen and (max-width: 1023px) {
  .u-hideSP {
    display: none;
  }
}