@charset "utf-8";
/* 湊川隧道 TOP css */

body::before {
content: "";
background-image: none;
}
body#page_home {
counter-reset:number;
}

/*-------------------------------------------------
loading
-------------------------------------------------*/

/*TOPページ用loader*/
.loader_top {
position: fixed;
z-index: 7;
top: 0;
right: 0;
display: flex;
justify-content: center;
align-items: center;
width: 100%;
height: 100%;
background: black;
}
.is-loaded .loader_top {
animation-name: loader_fadeOut;
animation-duration: 1.5s;
animation-timing-function: cubic-bezier(0, 0, 0.58, 1);
animation-delay: 2.5s;
animation-fill-mode: forwards;
}
.is-loaded .loader_logo {
animation: loader_fadeIn 1.5s cubic-bezier(0.42, 0, 1, 1) forwards 0.5s,
reset_zindex 0s cubic-bezier(0.42, 0, 1, 1) forwards 4.5s;
}

@keyframes loader_fadeIn {
from {
opacity: 0;
visibility: visible;
filter: blur(5px);
}
to {
opacity: 1;
filter: none;
visibility: visible;
} 
}

@keyframes loader_fadeOut {
from {
opacity: 1;
}
to {
opacity: 0;
visibility: hidden;
}
}

@keyframes reset_zindex {
from { 
}
to {
z-index: 1;
} 
}


/*-------------------------------------------------
header
-------------------------------------------------*/

header {
position: absolute;
left: 0;
top: 0;
z-index: 6;
}
.header_logo {
visibility: hidden;
}


/*-------------------------------------------------
PV
-------------------------------------------------*/

.header_top {
width: 100%;
transition: 1.3s;
position: relative;
height: 100vh;
}

@media all and (max-width : 767px ){
.header_top {
height: 100dvh; 
}
}


/*-------------------------------------------------
pv タイトルロゴ
-------------------------------------------------*/

.header_title {
position: absolute;
top: 45%;
left: 50%;
z-index: 7;
transform: translate(-50%, -50%);
-webkit-transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
visibility: hidden;
opacity: 0; 
}
.header_title {
width: 548px;
height: auto;
}

@media all and (max-width : 1024px ){
.header_title {
width: 480px;
height: auto;
} 
}

@media all and (max-width : 820px ){
.header_title {
width: 430px;
height: auto;
}
}

@media screen and (max-width: 767px) {
.header_title {
width: 290px;
top: 36%;
}
}

.header_title_svg {
-webkit-transform: translate(0, 0);
transform: translate(0, 0);
width: 100%;
height: 100%;
}


/*-------------------------------------------------
KV swiper
-------------------------------------------------*/

.kv_slide {
width: 100%;
height: 100%;
position: fixed;
top: 0;
left: 0;
z-index: 0;
}
.kv_slide .swiper .swiper-wrapper {
position: relative;
}
.kv_slide .swiper .swiper-wrapper::after {
content: "";
display: block;
background: url("../img/common/bg_grid_50.png");
background-repeat: repeat;
width: 100%;
height: 100%;
position: absolute;
left: 0;
top: 0;
z-index: 1;
}
.mv01 .swiper-fade .swiper-slide {
-webkit-transition-property: opacity, -webkit-transform !important;
transition-property: opacity, -webkit-transform !important;
transition-property: opacity, transform !important;
transition-property: opacity, transform, -webkit-transform !important;
pointer-events: none;
}
.mv01 .swiper-fade .swiper-slide-active {
pointer-events: auto;
}
.mv01 .swiper-pagination {
position: absolute;
z-index: 2;
top: 0;
bottom: 0;
left: 3.2rem;
height: -webkit-max-content;
height: -moz-max-content;
height: max-content;
margin: auto;
}

@media all and (max-width : 767px ){
.mv01 .swiper-pagination {
position: absolute;
top: 0;
bottom: 0;
left: 1.5rem;
}
}

.mv01 .swiper-pagination-bullet {
display: block;
width: 3px;
height: 4rem;
cursor: pointer;
-webkit-transition: var(--transition);
transition: var(--transition);
background-color: rgba(255, 255, 255, 0.6);
opacity: 100%;
border-radius: 0%;
}
.mv01 .swiper-pagination-bullet:not(:first-child) {
margin-top: 0.8rem;
}
.mv01 .swiper-pagination-bullet-active {
background-image: linear-gradient(90deg, #b29132, #f7df85 50%, #bf913b);
}
.mv01 .slide-media {
width: 100%;
height: 100vh;
}

@media all and (max-width : 767px ){
.mv01 .slide-media {
height: 100dvh; 
}
}

.mv01 .slide-media img {
-webkit-transition: 5s 1s ease-out;
transition: 5s 1s ease-out;
width: 100%;
height: 100%;
object-fit: cover;
}

.mv01 .swiper-slide[class*=-active] .slide-media img {
-webkit-transition-delay: 0s;
transition-delay: 0s;
-webkit-transform: scale(1.05);
transform: scale(1.05);
}

@-webkit-keyframes mv01-fadeIn {
0% {
-webkit-transform: scale(0.5);
transform: scale(0.5);
opacity: 0;
-webkit-filter: blur(300px);
filter: blur(300px);
}
100% {
-webkit-transform: scale(1);
transform: scale(1);
opacity: 1;
-webkit-filter: blur(0);
filter: blur(0);
}
}

@keyframes mv01-fadeIn {
0% {
-webkit-transform: scale(0.5);
transform: scale(0.5);
opacity: 0;
-webkit-filter: blur(300px);
filter: blur(300px);
}
100% {
-webkit-transform: scale(1);
transform: scale(1);
opacity: 1;
-webkit-filter: blur(0);
filter: blur(0);
}
}


/* ニュース　ティッカー
-------------------------------------------------- */

.ticker {
position: absolute;
left: 3%;
bottom: 40px;
background-color: transparent;
padding-bottom: 30px;
border: none;
width: 95%;
z-index: 6;
}

.ticker ul li {
width: 100%;
display: none;
}
.news_article {
display: flex;
align-items: flex-start;
}
.news_thum {
position: relative;
width: 120px;
height: auto;
overflow: hidden;
margin-right: 15px;
}
.news_thum img {
width: 100%;
aspect-ratio: 3 / 2;
object-fit: cover;
}
.news_article dl {
max-width: 400px
}
.news_article dl .date {
font-family: "EB Garamond", serif;
font-weight: 400;
font-size: 1.4rem;
line-height: 100%;
padding-top: 3px;
margin-bottom: 6px;
letter-spacing: 0.1em;
}
.news_article dd a {
font-family: "Noto Serif JP", serif;
text-decoration: underline;
letter-spacing: 0.2em;
font-size: 1.4rem;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 2;
overflow: hidden;
text-overflow: ellipsis;
}
.news_article dd a:hover {
text-decoration: none;
}

@media all and (max-width : 820px ){
.news_article dd a {
font-size: 1.3rem;
}
}

@media all and (max-width : 767px ){
.ticker {
padding-bottom: 60px;
}
.news_thum {
width: 80px;
margin-right: 15px;
}
.news_article dl {
max-width: 280px
}
.news_article dl .date {
font-size: 1.1rem;
margin-bottom: 3px;
}
.news_article dd a {
font-size: 1.2rem;
letter-spacing: 0.15em;
}
}


/*------------------------------------------------- 
scroll bar
------------------------------------------------- */

.scroll_bar a {
position: fixed;
bottom: 0;
left: 50%;
transform: translateX(-50%);
-webkit-transform: translateX(-50%);
-ms-transform: translateX(-50%);
z-index: 4;
padding: 10px 10px 110px;
color: #ddd;
}
.scroll_bar a::after {
content: '';
position: absolute;
bottom: -100px;
left: 50%;
width: 1px;
height: 200px;
background: #ddd;
}
.scroll_bar a::before {
content: '';
position: absolute;
bottom: -100px;
left: 50%;
width: 1px;
height: 200px;
background-color: rgba(131, 131, 127, 0.4);
}
.scroll_bar a::after {
animation: sdl 1.5s cubic-bezier(1, 0, 0, 1) infinite;
}

@keyframes sdl {
0% {
transform: scale(1, 0);
transform-origin: 0 0;
}
50% {
transform: scale(1, 1);
transform-origin: 0 0;
}
50.1% {
transform: scale(1, 1);
transform-origin: 0 100%;
}
100% {
transform: scale(1, 0);
transform-origin: 0 100%;
}
}

@media all and (max-width : 767px ){
.scroll_bar a::after {
bottom: -30px;
height: 60px;
}
.scroll_bar a::before {
bottom: -30px;
height: 60px;
}
}


/*-------------------------------------------------
sec_concept
-------------------------------------------------*/

.header_bottom {
width: 100%;
transition: 1.3s;
position: relative;
z-index: 6;
}
.txt_box_inner {
width: 100%;
color: #fff;
display: flex;
flex-direction: row-reverse;
justify-content: center;
margin: auto;
box-sizing: border-box;
}

@media all and (max-width : 767px ){
.txt_box_inner {
width: 100%;
display: flex;
flex-direction: column;
justify-content: center;
padding-left: 20px;
margin: auto;
}
}

.concept_copy_wrap {
display: flex;
flex-direction: row-reverse;
}
.concept_intro {
font-family: "EB Garamond", serif;
font-weight: 400;
font-size: 1.5rem;
line-height: 100%;
letter-spacing: 0.1em;
writing-mode: vertical-rl;
padding-top: 4px;
padding-left: 10px;
color: #B29132;
}
.concept_copy {
font-family: "Noto Serif JP", serif;
writing-mode: vertical-rl;
font-size: 3.0rem;
letter-spacing: 0.5em;
font-weight: 400;
text-shadow: 1px 2px 1px rgba(0,0,0,0.4);
}
.concept_copy span {
margin-top: 60px;
}
.concept_txt {
font-family: "Noto Serif JP", serif;
writing-mode: vertical-rl;
font-size: 1.8rem;
font-weight: 400;
line-height: 240%;
letter-spacing: 0.2em;
padding-top: 20px;
margin-right: 9%;
text-shadow: 1px 2px 1px rgba(0,0,0,0.4);
}
.concept_map {
position: relative;
width: 100%;
margin-top: -150px;
}
.concept_map img {
width: 100%;
}

@media all and (max-width : 1366px ){
.concept_map {
margin-top: -100px;
}
}

@media all and (max-width : 1024px ){
.concept_map {
margin-top: -50px;
}
}

@media all and (max-width : 767px ){
.concept_map {
margin-top: 0px;
}
}

@media all and (max-width : 1024px ){
.concept_intro {
font-size: 1.3rem;
}
.concept_copy {
font-size: 2.6rem;
letter-spacing: 0.4em;
padding-left: 0px;
}
.concept_txt {
font-size: 1.6rem;
line-height: 220%;
margin-right: 7%;
}
}

@media all and (max-width : 900px ){
.concept_txt {
line-height: 200%;
margin-right: 7%;
}
}

@media all and (max-width : 768px ){
.concept_txt {
padding-top: 80px;
margin-right: 6%;
}
}

@media all and (max-width : 767px ){
.concept_copy_wrap {
display: flex;
flex-direction: column;
}
.concept_intro {
font-size: 1.2rem;
letter-spacing: 0.08em;
writing-mode: horizontal-tb;
padding-top: 0px;
padding-left: 0px;
margin-bottom: 5px;
}
.concept_copy {
writing-mode: horizontal-tb;
font-size: 2.0rem;
font-weight: 400;
letter-spacing: 0.4em;
margin-bottom: 20px;
}
.concept_txt {
writing-mode: horizontal-tb;
font-size: 1.4rem;
font-weight: 400;
height: auto;
line-height: 180%;
letter-spacing: 0.05em;
padding-top: 0px;
margin-right: 0;
}
}


/*-------------------------------------------------
content
-------------------------------------------------*/

main {
position: relative;
z-index: 5;
}
.content {
padding: 0;
}
.sec_info {
position: relative;
width: 100%;
background: linear-gradient(0deg, rgba(0, 0, 0, 0.90), rgba(0, 0, 0, 1.0), transparent);
padding: 80px 0 40px;
z-index: 4
}


/*-------------------------------------------------
sec_title
-------------------------------------------------*/

.sec_titlebox {
display: flex;
flex-direction: column;
align-items: center;
margin-bottom: 80px;
position: relative;
}
.sec_info .sec_titlebox {
margin-bottom: 30px;
}
.sec_titlebox dt {
font-family: "Noto Serif JP", serif;
font-weight: 500;
font-size: 2.4rem;
color: #fff;
letter-spacing: 0.3em;
line-height: 100%;
margin-bottom: 10px;
}
.sec_titlebox dd {
font-family: "EB Garamond", serif;
font-weight: 500;
font-size: 1.4rem;
color: #B29458;
}

@media all and (max-width : 1024px ){
.sec_titlebox dt {
font-size: 2.2rem;
letter-spacing: 0.2em;
}
.sec_titlebox dd {
font-size: 1.3rem;
}
}

@media all and (max-width : 767px ){
.sec_titlebox {
margin-bottom: 20px;
}
.sec_titlebox dt {
font-size: 1.6rem;
letter-spacing: 0.2em;
}
.sec_titlebox dd {
font-size: 1.0rem;
letter-spacing: 0.05em;
}
}

.intro_box {
max-width: 750px;
margin: 0 auto;
font-family: "Noto Serif JP", serif;
padding: 30px 30px 20px;
border: solid 1px #8E7742;
}
.intro_box ul li {
font-weight: 400;
padding-left: 15px;
background-image: url("../img/common/icon_nakaguro.svg");
background-repeat: no-repeat;
background-position: left 10px;
letter-spacing: 0.2em;
margin-bottom: 15px;
}
.intro_box .arrow_btn {
position: static;
margin-left: 15px;
}

@media all and (max-width : 767px ){
.intro_box {
padding: 20px 10px 15px 20px;
}
.intro_box h3 {
font-size: 1.6rem;
margin-left: 10px;
margin-bottom: 15px;
letter-spacing: 0.3em;
}
.intro_box ul li {
font-size: 1.2rem;
padding-left: 12px;
letter-spacing: 0.15em;
background-position: left 8px;
}
}


/*-------------------------------------------------
sec_event
-------------------------------------------------*/

.sec_event {
position: relative;
background: rgba(0, 0, 0, 0.90);
padding: 50px 0 60px;
z-index: 4
}

.event_wrap {
overflow: hidden;
}
.event_wrap_inner {
max-width: 1260px;
margin: 0 auto;
}

@media all and (max-width : 1260px ){
.event_wrap_inner {
padding-left: 20px;
}
}

.slide_event {
width: 100vw;
margin-right: calc(50% - 50vw);
}

.slide_event .item_box {
max-width: 865px;
display: flex;
border: solid 1px #8E7742;
}

@media all and (min-width : 1920px ){
.slide_event .item_box {
max-width: 1000px;
}
}

@media all and (max-width : 1024px ){
.slide_event .item_box {
max-width: 900px;
margin: 0 auto;
}
}

@media all and (max-width : 820px ){
.slide_event .item_box {
max-width: 740px;
margin-left: 20px;
}
}

@media all and (max-width : 767px ){
.slide_event .item_box {
max-width: 350px;
margin-left: 0px;
flex-direction: column;
padding: 20px 20px;
}
}

.slide_event .item_img {
width: 34.72%;
margin-right: 40px;
position: relative;
overflow: hidden;
}

@media all and (max-width : 1260px ){
.slide_event .item_img {
margin-right: 20px;
}
}

@media all and (max-width : 1024px ){
.slide_event .item_img {
width: 28%;
margin-right: 40px;
}
}

.slide_event .item_img a img {
width: 100%;
aspect-ratio: 2 / 2.826;
object-fit: contain;
transition-duration: 0.7s;	
}
.slide_event .item_img a img:hover {
transform: scale(1.05);	
transition-duration: 0.7s;	
opacity: 0.8;
}
.event_info_box {
width: 60.42%;
padding: 40px 40px 20px 0;
}

@media all and (max-width : 1440px ){
.event_info_box {
padding: 30px 20px 20px 0;
}
}

@media all and (max-width : 1260px ){
.event_info_box {
padding: 20px 20px 20px 0;
}
}

@media all and (max-width : 1024px ){
.event_info_box {
padding: 40px 0px 20px 0px;
}
}

@media all and (max-width : 767px ){
.slide_event .item_img {
width: 70%;
margin-right: 0px;
margin: 0 auto;
}
.event_info_box {
width: 100%;
padding: 20px 0px 0px 0;
}
}

.slide_event .event_title {
font-family: "Noto Serif JP", serif;
font-weight: 500;
font-size: 2.0rem;
letter-spacing: 0.2em;
margin: 0 0 25px 0px;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 2;
overflow: hidden;
text-overflow: ellipsis;
}
.event_info {
display: flex;
align-items: center;
font-size: 1.5rem;
padding-left: 25px;
margin-bottom: 10px;
}

@media all and (max-width : 1260px ){
.slide_event .event_title {
font-size: 1.8rem;
margin: 0 0 20px 0px;
}
.event_info {
font-size: 1.4rem;
}
}

.event_titme {
background-image: url("../img/top/icon_calendar.svg");
background-repeat: no-repeat;
background-position: left center;
}
.event_person {
background-image: url("../img/top/icon_person.svg");
background-repeat: no-repeat;
background-position: left center;
}
.event_info dt {
margin-right: 10px;
}
.event_txt {
font-size: 1.5rem;
line-height: 200%;
padding-top: 15px;
}

@media all and (max-width : 1366px ){
.event_txt {
font-size: 1.4rem;
line-height: 180%;
padding-top: 10px;
}
}

.event_wrap .swiper-slide img {
width: 100%;
height: auto;
}

@media all and (max-width : 767px ){
.slide_event .event_title {
font-size: 1.5rem;
margin: 0 0 15px 0px;
}
.event_info {
font-size: 1.35rem;
}
.event_txt {
font-size: 1.3rem;
}
}

/* ページネーション
-------------------------------------------------*/

.event_wrap .swiper-pagination-bullet {
width: 5px;
height: 5px;
display: inline-block;
border-radius: 100%;
background: #fff;
opacity: .2;
margin-right: 10px;
}
.event_wrap .swiper-pagination-bullet:last-child {
margin-right: 0px;
}
.event_wrap .swiper-pagination-bullet-active {
opacity: 1;
background: #8E7742;
}
.event_wrap .swiper-pagination {
position: absolute;
bottom: 15px;
left: 50%;
transform: translateX(-50%);
-webkit-transform: translateX(-50%);
-ms-transform: translateX(-50%);
}
.event_wrap .swiper-pagination-bullet:hover {
cursor: pointer;
}

@media all and (max-width : 767px ){
.event_wrap .swiper-pagination {
position: absolute;
bottom: 30px;
}
}

/* arrow btn
-------------------------------------------------- */

.arrow_btn {
position: absolute;
right: 5%;
bottom: 0px;
}
.arrow_btn a {
font-family: "Noto Serif JP", serif;
font-weight: 500;
font-size: 1.4rem;
display:inline-block;
cursor:pointer;
position: relative;
text-decoration: none;
line-height: 100%;
transition: .5s;
}
.arrow_btn a::after {
content: "";
display: block;
position: absolute;
top: 20%;
left: 110%;
width: 50px;
height: 6px;
border: none;
border-right: 1px solid #fff;
border-bottom: 1px solid #fff;
transform: skew(45deg);
transition: .4s;
}
.arrow_btn a:hover::after {
position: absolute;
left: 110%;
width: 70px;
border-right: 1px solid #B29458;
border-bottom: 1px solid #B29458;
transition: .5s;
}
.arrow_btn a:hover {
color: #B29458;
transition: .5s;
}

@media all and (max-width : 1440px ){
.arrow_btn {
position: absolute;
right: 8%;
bottom: 0px;
}
}

@media all and (max-width : 820px ){
.arrow_btn {
position: absolute;
right: 13%;
bottom: 0px;
}
}

@media all and (max-width : 767px ){
.arrow_btn {
position: absolute;
right: 20%;
bottom: -5px;
}
.arrow_btn a {
font-size: 1.1rem;
}
.arrow_btn a::after {
top: 14%;
}
}


/*-------------------------------------------------
sec_guidance
-------------------------------------------------*/

.sec_guidance {
position: relative;
background: rgba(0, 0, 0, 0.90);
padding: 80px 0 80px;
z-index: 4
}

@media all and (max-width : 767px ){
.sec_guidance {
padding: 50px 0 0px;
}
}

.theme_box_wrap {
display: flex;
flex-wrap: wrap;
}
.theme_box {
width: calc(50% - 30px / 2);
margin-right: 30px;
margin-bottom: 30px;
}
.theme_box:nth-child(2n) {
margin-right: 0px;
}

@media all and (max-width : 820px ){
.theme_box {
width: calc(50% - 20px / 2);
margin-right: 20px;
}
}

@media all and (max-width : 767px ){
.theme_box {
width: 100%;
margin-right: 0px;
margin-bottom: 20px;
}
}

.theme_imgbox {
position: relative;
margin-bottom: 40px;
}
.theme_imgbox a::before {
content: "";
display: block;
position: absolute;
width: 100%;
height: 100%;
left: 0px;
top: 0px;
opacity: 0.35;
z-index: 5;
background: #000;
transition: opacity 0.3s ease 0s;
}
.theme_img {
margin-bottom: 25px;
position: relative;
background: #000;
overflow: hidden;
}
.theme_img img {
width: 100%;
transition-duration: 0.7s;
}
.theme_imgbox a:hover .theme_img img {
transform: scale(1.05);
transition-duration: 0.7s;
}
.theme_title_box_wrap {
display: flex;
align-items: center;
position: absolute;
left: 35px;
top: 50%;
transform: translateY(-50%);
z-index: 5;
}
.theme_jp_title {
font-family: "Noto Serif JP", serif;
font-weight: 400;
font-size: 2.4rem;
color: #fff;
letter-spacing: 0.3em;
line-height: 100%;
margin-bottom: 10px;
}
.theme_en_title {
font-family: "EB Garamond", serif;
font-weight: 400;
font-size: 1.4rem;
color: #fff;
letter-spacing: 0.1em;
line-height: 100%;
}

@media all and (max-width : 1260px ){
.theme_jp_title {
font-size: 2.2rem;
}
}

@media all and (max-width : 1024px ){
.theme_jp_title {
font-size: 2.0rem;
}
}

@media all and (max-width : 820px ){
.theme_jp_title {
font-size: 1.8rem;
letter-spacing: 0.2em;
}
.theme_en_title {
font-size: 1.2rem;
}
}

@media all and (max-width : 768px ){
.theme_jp_title {
font-size: 1.6rem;
letter-spacing: 0.15em;
}
.theme_en_title {
font-size: 1.1rem;
}
}

.theme_cat_title {
font-size: 1.5rem;
font-weight: 400;
line-height: 160%;
letter-spacing: 0.2em;
position: relative;
margin: 0px 0px 15px 30px;
}

@media all and (max-width : 1024px ){
.theme_cat_title {
font-size: 1.4rem;
}
}

@media all and (max-width : 767px ){
.theme_cat_title {
font-size: 1.3rem;
font-weight: 500;
letter-spacing: 0.05em;
}
}

.theme_cat_title::before {
content: "";
display: block;
position: absolute;
left: 10px;
top: -100px;
background-color: #999;
width: 1px;
height: 90px;
}


/*-------------------------------------------------
明治期の三大土木事業
-------------------------------------------------*/

.meiji_wrapper {
position: relative;
background: #000;
z-index: 2;
}
.sec_meiji {
position: relative;
width: 100%;
height: 100vh;
background-image: url("../img/top/meiji_kv.jpg");
background-size: cover;
background-position: center;
background-attachment: fixed;
}

@media all and (max-width : 767px ){
.sec_meiji {
position: relative;
width: 100%;
height: 100vh;
background-image: url("../img/top/meiji_kv.jpg");
background-size: cover;
background-position: center;
background-attachment: scroll;
}
}

.sec_meiji::after {
content: "";
display: block;
background: #000;
opacity: .5;
width: 100%;
height: 100%;
position: absolute;
left: 0;
top: 0;
z-index: 1;
}
.meiji_titlebox {
width: 100%;
display: flex;
flex-flow: column;
align-items: center;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
-webkit-transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
z-index: 2;
}
.meiji_title_en {
font-family: "EB Garamond", serif;
font-weight: 400;
font-size: 1.6rem;
letter-spacing: 0.2em;
text-shadow: 1px 2px 1px rgba(0,0,0,0.4);
margin-bottom: 20px;
}
.meiji_title_jp {
max-width: 568px;
height: auto;
margin-bottom: 50px;
}
.meiji_title_jp img {
width: 100%;
}
.meiji_copy_box {
display: flex;
flex-direction: column;
align-items: center;
}
.meiji_copy_box dt {
font-family: "Noto Serif JP", serif;
font-weight: 400;
font-size: 2.2rem;
letter-spacing: 0.3em;
margin-bottom: 20px;
text-shadow: 1px 2px 1px rgba(0,0,0,0.4);
}
.meiji_copy_box dd {
line-height: 200%;
display: block;
text-align: center;
letter-spacing: 0.2em;
margin-bottom: 50px;
text-shadow: 2px 2px 2px rgba(0,0,0,0.4);
}
.meiji_titlebox .link_btn {
border: solid 1px #fff;
color: #fff;
}
.meiji_titlebox .btn_arrow::after {
border-top: 1px solid #fff;
border-right: 1px solid #fff;
}
.meiji_titlebox .link_btn:hover {
border: solid 1px #8E7742;
}

@media all and (max-width : 767px ){
.meiji_title_en {
font-size: 1.4rem;
letter-spacing: 0.1em;
text-align: center;
margin-bottom: 15px;
}
.meiji_title_jp {
width: 292px;
height: auto;
margin-bottom: 30px;
}
.meiji_copy_box dt {
font-size: 1.8rem;
letter-spacing: 0.2em;
margin-bottom: 20px;
}
.meiji_copy_box dd {
line-height: 180%;
font-size: 1.3rem;
letter-spacing: 0.1em;
margin-bottom: 30px;
}
}

.meiji_bg {
position: relative;
}
.meiji_bg .one {
display: flex;
align-items: center;
width: 100%;
min-height: 100vh;
padding: 20px;
}

@media all and (max-width : 767px ){
.meiji_bg .one {
min-height: 80vh;
padding: 0px;
}
}

.bg_imgbox {
position: fixed;
top: 0;
left: 0;
right: 0;
width: 100%;
height: 100%;
background-position: center center;
background-size: cover;
background-repeat: no-repeat;
opacity: 0;
transition: all 0.5s ease 0s;
z-index: -1;
}
.bg_imgbox::after {
content: "";
display: block;
background: #000;
opacity: .7;
width: 100%;
height: 100%;
}
.show .bg_imgbox {
opacity: 1;
}
.bg_imgbox.work01 {
background-image: url("../img/top/meiji_bg01.jpg");
}
.bg_imgbox.work02 {
background-image: url("../img/top/meiji_bg02.jpg");
}
.bg_imgbox.work03 {
background-image: url("../img/top/meiji_bg03.jpg");
}

@media all and (max-width : 767px ){
.bg_imgbox.work03 {
background-image: url("../img/top/meiji_bg03_sp.jpg");
background-position: center top;
}
}

.meiji_inner_box {
display: flex;
justify-content: space-between;
align-items: center;
position: relative;
}
.meiji_inner_box .work_thum {
width: 38.1%;
height: auto;
}
.meiji_inner_box .work_thum img {
width: 100%;
}
.meiji_inner_box .work_txtbox {
width: 50.4%;
}
.meiji_inner_box .arrow_btn {
position: static;
}

@media all and (max-width : 1024px ){
.meiji_inner_box .work_txtbox {
width: 55.4%;
}
}

@media all and (max-width : 820px ){
.meiji_inner_box {
display: flex;
flex-direction: column;
}
.meiji_inner_box .work_thum {
width: 45%;
height: auto;
margin-bottom: 50px;
}
}

@media all and (max-width : 767px ){
.meiji_inner_box .work_txtbox {
width: 80%;
}
}


/* work_title
-------------------------------------------------- */

.work_title_wrap {
position: relative;
display: flex;
flex-direction: column;
align-items: center;
margin-bottom: 50px;
}
.work_title {
position: relative;
display: flex;
flex-direction: column;
align-items: center;
justify-content: flex-start;
}
.work_title::before {
counter-increment: number 1;
content: counter(number, decimal-leading-zero);
position: absolute;
right: calc(100% + 0.5rem);
bottom: 100%;
font-family: "EB Garamond", serif;
color: #fff;
white-space: nowrap;
letter-spacing: 0;
font-weight: 300;
}
.work_title::after {
content: "";
position: absolute;
right: calc(100% - 0.5rem);
bottom: calc(100% + .5rem);
width: 1.75rem;
height: 0.0625rem;
background-color: #9c9992;
rotate: -45deg;
}
.work_title dt {
font-family: "Noto Serif JP", serif;
font-weight: 400;
font-size: 2.4rem;
letter-spacing: 0.2em;
line-height: 100%;
margin-bottom: 10px;
}
.work_title dd {
font-family: "EB Garamond", serif;
font-weight: 400;
font-size: 1.4rem;
}

@media all and (max-width : 767px ){
.work_title_wrap {
margin-bottom: 30px;
}
.work_title dt {
font-size: 1.8rem;
margin-bottom: 8px;
}
.work_title dd {
font-size: 1.1rem;
}
}

.work_read_txt {
font-size: 1.5rem;
line-height: 200%;
margin-bottom: 30px;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 4;
overflow: hidden;
text-overflow: ellipsis;
}

@media all and (max-width : 820px ){
.work_read_txt {
font-size: 1.4rem;
line-height: 180%;
margin-bottom: 25px;
}
}

@media all and (max-width : 820px ){
.work_read_txt {
font-size: 1.3rem;
margin-bottom: 20px;
}
}


/*-------------------------------------------------
sec_movie
-------------------------------------------------*/

.sec_movie {
background-image: url("../img/top/kv_img01.jpg");
background-repeat: no-repeat;
background-position: center top;
background-size: cover;
position: relative;
padding: 100px 0;
z-index: 4;
}

@media all and (max-width : 767px ){
.sec_movie {
padding: 50px 0;
}
}

.sec_movie::after {
content: "";
display: block;
background-color: #000;
opacity: 0.6;
width: 100%;
height: 100%;
position: absolute;
left: 0;
top: 0;
}
.movie_inner {
position: relative;
z-index: 2;
}
.movie_titlebox {
display: flex;
flex-direction: column;
align-items: center;
color: #fff;
}
.movie_titlebox span {
font-family: "Noto Serif JP", serif;
font-weight: 400;
font-size: 2.0rem;
margin-bottom: 20px;
letter-spacing: 0.2em;
}
.movie_title {
font-family: "Noto Serif JP", serif;
font-size: 4.0rem;
font-weight: 400;
letter-spacing: 0.3em;
margin-bottom: 35px;
}
.movie_txt {
text-align: center;
font-size: 1.5rem;
letter-spacing: 0.4em;
line-height: 200%;
}

@media all and (max-width : 1260px ){
.movie_title {
font-size: 3.6rem;
margin-bottom: 30px;
}
}

@media all and (max-width : 1024px ){
.movie_title {
font-size: 3.2rem;
margin-bottom: 20px;
}
.movie_txt {
font-size: 1.4rem;
letter-spacing: 0.2em;
line-height: 180%;
}
}

@media all and (max-width : 820px ){
.movie_titlebox span {
font-size: 1.8rem;
margin-bottom: 15px;
}
.movie_title {
font-size: 2.8rem;
margin-bottom: 20px;
}
}

@media all and (max-width : 767px ){
.movie_titlebox span {
font-size: 1.4rem;
margin-bottom: 15px;
letter-spacing: 0.15em;
}
.movie_title {
font-size: 2.0rem;
letter-spacing: 0.2em;
margin-bottom: 15px;
}
.movie_txt {
font-size: 1.2rem;
letter-spacing: 0.1em;
line-height: 180%;
}
}

/* movie swiper
-------------------------------------------------- */

.mv_slider {
position: relative;
width:100%;
padding-top: 55px;
padding-bottom: 35px;
}

@media all and (max-width : 1024px ){
.mv_slider {
padding-bottom: 35px;
}
}

@media all and (max-width : 820px ){
.mv_slider {
padding-bottom: 25px;
}
}

@media all and (max-width : 767px ){
.mv_slider {
width:95%;
padding-top: 30px;
padding-bottom: 25px;
}
}

.mv_slider img {
width: 100%;
}
.mv_slider .swiper-slide {
max-width: 980px;
transform: scale(.85); 
transition: .7s; 
position: relative;
}
.mv_slider .swiper-slide-active {
transform: scale(1); 
z-index: 1; 
}
.mv_slider .swiper_imgbox {
overflow: hidden;
}
.swiper-slide img {
width: 100%;
transition-duration: 0.7s;
}
.mv_slider .swiper-slide img:hover {
transform: scale(1.05);	
transition-duration: 0.7s;	
opacity: 0.9;
}
.movie_caption {
padding: 20px 10px 0;
}
.movie_caption dt {
font-family: "Noto Serif JP", serif;
font-weight: 500;
font-size: 2.0rem;
color: #fff;
letter-spacing: 0.2em;
text-align: center;
margin-bottom: 20px;
}
.movie_caption dd {
font-size: 1.5rem;
line-height: 180%;
}

@media all and (max-width : 1440px ){
.movie_caption dt {
text-align: left;
}
}

@media all and (max-width : 1024px ){
.movie_caption dt {
font-size: 1.8rem;
text-align: left;
}
.movie_caption dd {
font-size: 1.4rem;
}
}

@media all and (max-width : 820px ){
.movie_caption dt {
font-size: 1.6rem;
}
.movie_caption dd {
font-size: 1.3rem;
}
}

/* ページネーション */

.mv_slider .swiper-pagination-bullet {
width: 5px;
height: 5px;
display: inline-block;
border-radius: 100%;
background: #fff;
opacity: .6;
margin-right: 10px;
}
.mv_slider .swiper-pagination-bullet:last-child {
margin-right: 0px;
}
.mv_slider .swiper-pagination-bullet-active {
opacity: 1;
background: #C40A19;
}
.mv_slider .swiper-pagination {
position: absolute;
bottom: 0;
left: 50%;
transform: translateX(-50%);
-webkit-transform: translateX(-50%);
-ms-transform: translateX(-50%);
}
.mv_slider .swiper-pagination-bullet:hover {
cursor: pointer;
}

/*　左右ボタン　*/

.mv_slider .swiper-button-prev,
.mv_slider .swiper-button-next {
position: absolute;
top: 40%;
width: 40px;
height: 40px;
}
.mv_slider .swiper-button-prev::after,
.mv_slider .swiper-button-next::after {
background-repeat: no-repeat;
background-size: contain;
content: "";
display: block;
width: 40px;
height: 40px;
z-index: 7;
}
.mv_slider .swiper-button-prev::after {
background-image: url("../img/top/prev_btn.svg");
transition-duration: 0.3s;	
}
.mv_slider .swiper-button-next::after {
background-image: url("../img/top/next_btn.svg");
transition-duration: 0.3s;	
}
.mv_slider .swiper-button-prev:hover::after {
background-image: url("../img/top/prev_btn_hover.svg");
cursor: pointer;
transition-duration: 0.3s;	
}
.mv_slider .swiper-button-next:hover::after {
background-image: url("../img/top/next_btn_hover.svg");
cursor: pointer;
transition-duration: 0.3s;	
}

@media all and (max-width : 767px ){
.mv_slider .swiper-button-prev::after {
position: absolute;
left: 13px;
top: 50%;
}
.mv_slider .swiper-button-next::after {
background-image: url("../img/top/next_btn.svg");
position: absolute;
right: 13px;
top: 50%;
}
}

.mv_play {
width: 60px;
height: 60px;
position: absolute;
top: 38%;
left: 50%;
transform: translate(-50%, -50%);
-webkit-transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
z-index: 10;
}
.mv_play img {
width: 100%;
}

@media all and (max-width : 1536px ){
.mv_play {
position: absolute;
top: 29%;
}
}

@media all and (max-width : 1260px ){
.mv_play {
width: 55px;
height: 55px;
position: absolute;
top: 25%;
}
}

@media all and (max-width : 1024px ){
.mv_play {
width: 45px;
height: 45px;
position: absolute;
top: 20%;
}
}

@media all and (max-width : 820px ){
.mv_play {
position: absolute;
top: 25%;
}
}

/* モーダルボタン
-------------------------------------------------- */

.modal-video-body {
max-width: 1200px
}
.js-modal-video {
position: relative;
z-index: 10;
}
.modal-video {
background-color: rgba(0, 0, 0, 0.85);
}
.modal-video-close-btn {
transition: ease 0.5s;
}
.modal-video-close-btn:hover {
cursor: pointer;
opacity: 0.3;
transition: ease 0.5s;
}


/*-------------------------------------------------
土木散策レポート
-------------------------------------------------*/

.sec_report {
position: relative;
background: rgba(0, 0, 0, 0.40);
padding: 80px 0 60px;
z-index: 4;
}

@media all and (max-width : 767px ){
.sec_report {
padding: 30px 0 0px;
}
}

.report_box_wrap {
display: flex;
justify-content: space-between;
align-items: flex-start;
}
.report_box_left {
width: 39.68%;
}
.report_box_right {
width: 55.56%;
}
.report_box_left .report_thum {
width: 100%;
height: auto;
position: relative;
overflow: hidden;
margin-bottom: 15px;
}
.report_box_left .report_thum img {
width: 100%;
aspect-ratio: 3 / 2;
object-fit: cover;
transition-duration: 0.7s;
}
.report_box_left .report_txtbox {
display: flex;
flex-direction: column;
}
.report_box_left .report_txtbox dt {
font-family: "EB Garamond", serif;
font-size: 1.2rem;
line-height: 100%;
margin-bottom: 10px;
}
.report_box_left .report_txtbox .report_title {
font-family: "Noto Serif JP", serif;
font-size: 1.8rem;
font-weight: 500;
letter-spacing: 0.2em;
padding: 0 10px 15px 0;
border-bottom: solid 1px #666;
margin-bottom: 15px;
transition-duration: 0.7s;
}
.report_box_left .report_txtbox .report_txt {
font-size: 1.4rem;
line-height: 180%;
letter-spacing: 0.2em;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 2;
overflow: hidden;
text-overflow: ellipsis;
}
.report_box_left a:hover .report_thum img {
transform: scale(1.05);
transition-duration: 0.7s;
opacity: .8;
}
.report_box_left a:hover .report_txtbox .report_title {
color: #B29458;
text-decoration: underline;
transition-duration: 0.7s;
}
.report_box_right .report_thum {
max-width: 130px;
height: auto;
position: relative;
margin-right: 20px;
overflow: hidden;
}
.report_box_right .report_thum img {
width: 100%;
aspect-ratio: 3 / 2;
object-fit: cover;
transition-duration: 0.7s;
}
.report_box_right .report_txtbox {
width: 78.43%;
}
.report_box_right .report_txtbox dt {
font-family: "EB Garamond", serif;
font-size: 1.2rem;
line-height: 100%;
margin-bottom: 6px;
}
.report_box_right .report_txtbox .report_title {
font-family: "Noto Serif JP", serif;
font-weight: 500;
font-size: 1.6rem;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 1;
overflow: hidden;
text-overflow: ellipsis;
transition-duration: 0.7s;
}
.report_box_right .report_box a {
display: flex;
align-items: center;
padding-bottom: 20px;
border-bottom: solid 1px #666; 
margin-bottom: 20px;
}
.report_box_right .report_box:last-of-type a {
border-bottom: none;
}
.report_box_right .report_box a:hover .report_thum img {
transform: scale(1.05);
transition-duration: 0.7s;
opacity: .8;
}
.report_box_right .report_box a:hover .report_txtbox .report_title {
color: #B29458;
text-decoration: underline;
transition-duration: 0.7s;
}

@media all and (max-width : 820px ){
.report_box_left .report_txtbox .report_title {
font-size: 1.6rem;
letter-spacing: 0.2em;
padding: 0 5px 15px 0;
}
.report_box_right .report_txtbox .report_title {
font-size: 1.5rem;
}
}

@media all and (max-width : 767px ){
.report_box_wrap {
display: flex;
flex-direction: column;
justify-content: space-between;
align-items: flex-start;
}
.report_box_left {
width: 100%;
margin-bottom: 30px;
}
.report_box_right {
width: 100%;
}
.report_box_right .report_thum {
max-width: 100px;
margin-right: 15px;
}
.report_box_left .report_txtbox .report_title {
font-size: 1.5rem;
padding: 0 5px 10px 0;
}
.report_box_left .report_txtbox .report_txt {
font-size: 1.2rem;
}
.report_box_right .report_txtbox .report_title {
font-size: 1.4rem;
}
}


/*-------------------------------------------------
アクセス
-------------------------------------------------*/

.sec_access {
position: relative;
background: rgba(0, 0, 0, 0.80);
padding: 80px 0 60px;
z-index: 4;
}
.map_box .gmap {
width: 100%;
height: auto;
aspect-ratio: 16 / 3.83;
}
.access_txt {
font-family: "Noto Serif JP", serif;
font-weight: 400;
letter-spacing: 0.2em;
padding-top: 20px;
display: block;
text-align: center;
}
.access_txt a {
color: #8E7742;
text-decoration: underline;
}
.access_txt a:hover {
text-decoration: none;
}

@media all and (max-width : 767px ){
.sec_access {
padding: 40px 0 30px;
}
.map_box .gmap {
aspect-ratio: 16 / 9;
}
.access_txt {
font-size: 1.2rem;
letter-spacing: 0.2em;
padding-top: 15px;
}
}