@charset "utf-8";
:root{
    --base-color:#222;
    --bg-color:#f2f6f9;
    --sub-color:#1d71b1;
    --sub-color01:#ff3030;
    --spring-color:#bc33a7;
    --summer-color:#339dbc;
    --autumn-color:#bc7033;
    --winter-color:#3346bc;
    --link-color:#0080bb;
    --default-font:"Open Sans", serif;
    --serif-font:"Cormorant Garamond", serif;
    --normal:400;
    --bold:600;
    --italic:italic;
    --google-icon:'Material Symbols Outlined';
    --bootstrap:'bootstrap-icons';
}
html{
    margin-top:0px !important;
}
.drawer-hamburger::after {
    content: "";
}
#hamburger {
    width: 60px;
    height: 60px;
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 1002;
    background-color: #fff;
    border-radius: 99px;
}
.drawer-toggle{
    top:21px;
    right:20px !important;
}
.drawer-hamburger-icon, .drawer-hamburger-icon:before, .drawer-hamburger-icon:after {
    width: 30px !important;
}
.drawer-hamburger {
    width: 30px;
}
.drawer-nav {
    top:0px !important;
    background-color:#fff;
}
.drawer-open .drawer-hamburger-icon:before, .drawer-hamburger-icon:after{
    background-color: var(--sub-color) !important;
}
.drawer-open .drawer-hamburger-icon:before, .drawer-open .drawer-hamburger-icon:after {
    top: 0 !important;
}
.drawer-overlay {
    background:transparent;
}
.drawer-menu{
    text-align: left;
    margin-top:2.5em;
    margin-left:3.5em;
}
.drawer-menu li a{
    color:var(--sub-color);
    font-family: var(--default-font);
    font-weight: 300;
    font-size:2.8em;
    letter-spacing: 0.06em;
    position: relative;
    display: inline;
    line-height: 1.75;
}
.drawer-menu li a::after{
    content: '';
    background-color: var(--sub-color);
    background-size:contain;
    width: 100%;
    height: 2px;
    position: absolute;
    bottom: -4px;
    left: 0;
    transform: scale(0, 1);
    transform-origin: right top;
    transition: transform .3s ;
}
.drawer-menu  li a:hover{
    text-decoration: none;
}
.drawer-menu li a:hover::after{
    transform-origin: left top;
    transform: scale(1, 1);
}
.drawer-menu li:first-of-type a{
    display: inline;
}
.drawer-menu li:first-of-type a .num{
    font-size:1em;
    /*line-height: 1.8;*/
    vertical-align: top;
}
.drawer-nav p{
    font-family: var(--serif-font);
    font-size:6em;
    opacity:0.05;
    position: absolute;
    right:50px;
    bottom:10px;
}
.billboard{
    overflow:hidden;
    position: relative;
    height:100vh;
}
.billboard video{
    width: 100%; height:100vh;
    object-fit:cover;
}
.billboard::after {
    content: "";
    width: 100%;
    height: 100%;
    background:rgba(0,0,0,0.45);
    mix-blend-mode: overlay;
    position: absolute;
    top: 0;
    left: 0;
}
.billboard h2{
    color:#fff;
    font-size:1.3em;
    letter-spacing:0.02em;
    position: absolute;
    top:15px;
    left:20px;
    line-height: 1.4;
}
.billboard h1{
    position: absolute;
    top:48%; left:50%;
    transform: translate(-50%,-50%);
    font-family: var(--serif-font);
    color:#fff;
    mix-blend-mode: overlay;
    font-size:8vw;
    letter-spacing: 0;
    z-index: 10;
    line-height:1;
}
.billboard .chubu{
    display: block;
}
.park{
    margin-left:3em;
    display: block;
    white-space: nowrap;
}
.scrolldown-container{
    position: absolute;
    bottom:30px; right:50px;
}
.scrolldown-box{
    position: relative;
    width: 140px;
    height: 140px;
    color: #fff;
    font-family: var(--serif-font);
}
.scrolldown-box::before{
    content: '\e8e4';
    font-family: var(--google-icon);
    color:#fff;
    font-size:3em;
    font-weight: 100;
    position: absolute;
    top:50%;  left:50%;
    transform: translate(-50%,-50%) rotate(90deg);
    animation:arrow 2s infinite ease-in-out;
}
@keyframes arrow {
    0% {
        top:50%;
      }
      50% {
        top:57%;
      }
      100% {
        top:50%;
      }
}
.scrolldown-text{
    position: absolute;
    width: 100%;
    height: 100%;
}
.scrolldown-text span {
    position: absolute;
    left: 50%;
    font-size: 0.85em;
    font-weight: var(--bold);
    letter-spacing: 0.6em;
    transform-origin: 0 70px;
}
.container > section{
    padding:0 calc((100% - 1200px)/2) 140px;
}
section h2{
    font-size:6em;
    font-family: var(--serif-font);
    font-weight: var(--normal);
    color:var(--sub-color);
    letter-spacing: 0.005em;
    line-height: 1;
    margin-bottom:0.65em;

}
.container > .introduction{
    background-color:var(--bg-color);
    font-size:2.8em;
    font-weight: 300;
    line-height:1.6;
    text-align: center;
    position: relative;
    padding-top:120px;
    padding-bottom:250px;
    margin-bottom:140px;
}
.introduction::after{
    content:'';
    background-image:url(../../img/introduction02.jpg);
    background-size:cover;
    background-repeat: no-repeat;
    
    position: absolute;
    bottom:0px; left:0;
    aspect-ratio: 2160/320;
    width:100%; height: auto;
}
.lead-image{
    display: inline-block;
    margin:0.3em 0.4em 0;
    z-index: 1;
    border-radius: 5px;
    overflow: hidden;
}
.lead-image img{
    width:150px;
    transform-origin: 50%;
    border-radius: 5px;
}
.rule{
    display: flex;
    flex-direction: row-reverse;
    align-items: flex-start;
    gap:5em;
    
}
.rule figure{
    aspect-ratio: 1/1;
}
.rule h2 .num{
    font-size:1.15em;
    line-height: 0.4;
    vertical-align: top;
}
.rule-text ol li{
    position: relative;
    margin-bottom:30px;
    padding-left:2.4em;
}
.rule-text h3{
    font-size:1.5em;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom:0.4em;
}
.rule-text > h3{
    margin-bottom:1.5em;
    font-size:1.7em;
}
.italic{
    font-style: var(--italic);
}
.rule-text ol li::before{
    content:'01.';
    font-size:1.5em;
    line-height: 1;
    font-weight: 600;
    color:var(--sub-color01);
    position: absolute;
    left:-5px; top:3px;
}
.rule-text ol li:nth-of-type(2)::before{
    content:'02.';
}
.rule-text ol li:last-of-type::before{
    content:'03.';
}
.adventure-season{
    background-color:var(--bg-color);
    padding-top:80px !important;
    margin-bottom:100px;
}
.adventure-season h2 span{
    display: block;
}
.adventure-season ul{
    display: flex;
    gap:6em;
    margin-bottom:4.5em;
}
.adventure-season ul li{
    flex:1;
}
.adventure-season figure{
    background-color:#fff;
    border:1px solid #ccc;
    padding:2em;
}
.adventure-season figure img{
    aspect-ratio: 964/311;
    /*width:1000px; height: auto;*/
    margin:0 auto;
}
.season ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;

}
.season ul li{
    width:42%;
    padding:1em 2.5em 2.2em;
}
.season ul li:nth-of-type(-n+2){
    margin-bottom:3em;
}
.season ul li:first-of-type{
    background-color:#feeffc;
}
.season ul li:nth-of-type(2){
    background-color:#effafe;
}
.season ul li:nth-of-type(3){
    background-color:#fef4ef;
}
.season ul li:last-of-type{
    background-color:#eff1fe;
}
.season ul li h3{
    font-size:1.8em;
    margin-bottom:0.4em;
}
.season ul li:first-of-type h3{
    color:var(--spring-color);
}
.season ul li:nth-of-type(2) h3{
    color:var(--summer-color);
}
.season ul li:nth-of-type(3) h3{
    color:var(--autumn-color);
}
.season ul li:last-of-type h3{
    color:var(--winter-color);
}
.season ul li h3 span{
    font-size:0.6em;
}
.season ul li p{
    margin-top: 0.8em;
}
.hiking-equipment h2 span{
    display: block;
    font-size:0.55em;
}
.hiking-equipment .flex{
    flex-direction: row-reverse;
    gap:8em;
}
.hiking-equipment .hiking-illust-list{
   display: flex;
   align-items: flex-end;
   gap:3.5em;
}
.hiking-equipment .hiking-illust-list li:first-of-type img{
    aspect-ratio: 501/1646;
    width:190px;
    height: auto;
}
.hiking-equipment .hiking-illust-list li:nth-of-type(2) img{
    aspect-ratio: 501/1259;
    width:200px;
    height: auto;
}
.hiking-equipment .hiking-text-box > p{
   margin-bottom:2.5em;
}
.hiking-equipment .hiking-text-box li{
    position: relative;
    margin-bottom: 1.5em;
    padding-left:1.4em;
}
.hiking-equipment .hiking-text-box li::before{
    content:'❶';
    font-size:1.1em;
    color:#444;
    position: absolute;
    top:1px; left:0;
}
.hiking-equipment .hiking-text-box li:nth-of-type(2)::before{
    content:'❷';
}
.hiking-equipment .hiking-text-box li:nth-of-type(3)::before{
    content:'❸';
}
.hiking-equipment .hiking-text-box li:nth-of-type(4)::before{
    content:'❹';
}
.hiking-equipment .hiking-text-box li:last-of-type::before{
    content:'❺';
}
.hiking-illust-list figcaption{
    margin-top:0.4em;
    font-size:0.8em;
    font-weight:var(--bold);
}
.equipment-list{
    display: flex;
    flex-wrap: wrap;
    margin-top:80px;
    gap:3em;
}
.equipment-list li{
    width:calc((100% - 8em)/2);
    display: flex;
    align-items: flex-start;
    gap:1em;
}
.equipment-list figure img{
    aspect-ratio: 1/1;
    width:120px;
    height:auto;
    border:1px solid rgba(29, 113, 177,0.4);
}
.equipment-check-box{
    margin-top:4.5em;
    padding:1.8em 2.5em;
    border:1px solid #999;
}
.equipment-check-box h3{
    font-size:1.4em;
    position: relative;
    display: inline-block;
}
.equipment-check-box h3::before{
    content: "";
    position: absolute;
    display: block;
    width: 9px;
    height: 15px;
    top: 13px;
    right: -28px;
    border: solid 3px var(--sub-color01);
    border-left: 0;
    border-top: 0;
    transform: translateY(-50%) rotate(45deg);
}
.equipment-check-list{
    margin-top:0.6em;
    display:flex ;
    flex-wrap: wrap;
}
.equipment-check-box li{
    width:170px;
    padding-right:1.8em;
    padding-left:1.2em;
    margin-bottom:0.4em;
    position: relative;
}
.equipment-check-box li::before {
    content: "";
    width: 10px;
    height: 10px;
    border: 1px solid #333;
    display: inline-block;
    position: absolute;
    top:7px; left:0;
}
.additional-check-list{
    background-color:#f6f6f6;
    margin-top:1em;
    padding:1em 1.5em;
    display: flex;
    flex-wrap: wrap;
}
.additional-check-list li:first-of-type{
    width:100%;
    padding-left:0;
}
.additional-check-list li:first-of-type::before{
    border:none;
    width:0; height:0;
}
.spring{
    color:var(--spring-color);
}
.autumn{
    color:var(--autumn-color);
}
.title-box{
    position: sticky;
    top:0;
    height: 100%;
}
.title-box span{
    display: block;
}
#mountain-etiquette{
    background-color:var(--bg-color);
}
#mountain-tips .title-box h2{
    font-size:5.7em;
    line-height: 1.1;
}
#mountain-tips .title-box h2 span{
    font-size:0.55em;
    margin-bottom:0.2em;
}
.safety-rules{
    display: flex;
    gap:6.5em;
    padding-top:80px !important;
    margin-bottom:100px;
}
.safety-rule-list li{
    width:540px;
}
.safety-rule-list li{
    padding-bottom:2em;
    margin-bottom:2em;
    border-bottom:1px solid #ccc;
}
.safety-rule-list li h3{
    font-size:1.6em;
}
.hiking-trails > p{
    width:550px;
    margin-bottom:60px;
}
.hiking-trails > ul{
    display: flex;
    align-items: flex-start;
    flex-direction: row-reverse;
    gap:6.5em;
}
.hiking-trails > ul:not(:last-of-type){
    padding-bottom:50px;
    margin-bottom:50px;
}
.hiking-trails > ul:nth-of-type(-n+3):not(:first-of-type){
    border-bottom:1px solid #999;
}
.hiking-trails > ul > li{
    width:550px;
}
.hiking-trails h3 {
    font-size: 1.6em;
    line-height: 1.4;
    margin-bottom: 1em;
}
.hiking-trails h4 {
    font-weight: var(--bold);
    font-size: 1.4em;
    line-height: 1.6;
    margin-bottom:0.5em;
}
.yari .trails-list > li > h4 > span{
    color: var(--spring-color);
    font-weight: var(--bold);
    font-size: 1.1em;
    letter-spacing: 0.02em;
}
.hotaka .trails-list > li > h4 > span{
    color: var(--winter-color);
    font-weight: var(--bold);
    font-size: 1.1em;
    letter-spacing: 0.02em;
}
.trails-list > li{
    flex-direction:column;
    margin-bottom:0.8em;
}
.trails-list > li p:first-of-type{
    font-size:1.2em;
    font-weight: var(--bold);
    color:var(--sub-color01);
}
.day-route-list li{
    margin-bottom:0.8em;
}
.day-route-list li span:first-of-type{
    font-weight: var(--bold);
    width:60px;
}
.day-route-list li span:nth-of-type(2){
    flex:1;
}
.trails-date-list li > span:first-of-type{
    color: #666;
    font-weight: var(--bold);
    font-size: 0.9em;
    letter-spacing: 0.02em;
}
.trails-date-list{
    background-color:#f6f6f6;
    margin-top:40px;
    padding:1em 1.5em;
    display: flex;
    flex-wrap: wrap;
}
.trails-date-list li:nth-of-type(odd){
    width:210px;
}
.trails-date-list li:nth-of-type(-n+2){
    margin-bottom:0.5em;
}
.swiper-container{
    position: relative;
}
.swiper-pagination-bullet{
    background-color:var(--bg-color) !important;
}
.swiper-button-prev,
.swiper-button-next{
    width:30px !important;
    height:30px !important;
}
.swiper-button-prev::after,
.swiper-button-next::after{
    background-repeat: no-repeat;
    background-size:contain;
    aspect-ratio: 1/1;
    margin:auto; 
    font-size:1.8em !important;
    font-weight: 800;
    color:#fff;
}

.accommodations > ul{
    display: flex;
    justify-content:space-between;
    flex-wrap: wrap;
    gap:1.5em 7.5em;
}
.accommodations > ul:not(:last-of-type){
    margin-bottom:3.5em;
}
.accommodations > ul > li{
    width:calc((100% - 7.5em)/2);
    margin-bottom:1em;
    display: flex;
    flex-wrap: nowrap;
    align-items: flex-start;
    gap:1.5em;
}
.accommodations h3{
    font-size:1.6em;
    line-height:1.5;
    color:var(--bg-color);
    background-color:var(--sub-color);
    padding-left:0.5em;
    padding-bottom:0.05em;
    margin-bottom:1em;
}
.accommodations h4{
    font-weight: var(--bold);
    font-size:1.2em;
    line-height:1.6;
}
.accommodations figure img{
    width:160px;
    height:100px;
    object-fit: cover;
    object-position: center center;
}
.accommodations-text p:nth-of-type(2){
    display: flex;
    align-items: flex-start;
    width:100%;
}
.accommodations-text p a{
    word-break: break-all;
    flex:1;
    margin-left:0.4em;
}
.accommodations-text p > span:first-of-type{
    color:#666;
    font-weight: var(--bold);
    font-size:0.9em;
    letter-spacing: 0.02em;
}
.accommodations-text span.hp-block{
    flex:1;
}
.accommodations-text span.ja-only{
    font-weight: var(--normal);
    color:var(--sub-color01);
}
.bg-wrapper{
    max-width: 1440px;
    margin: 0 auto;
    padding: 0;
    margin-bottom:140px;
}
.bg-wrapper img{
    width: 100%;
    max-width: 100%;
    display: block;
    height: 450px;
    object-fit: cover;
    object-position: top center;
}
.column{
    background-color: var(--bg-color);
    padding-top: 80px !important;
}
.column > div{
    display: flex;
    gap:6.5em;
}
.column > div:not(:last-of-type){
    border-bottom:1px solid #333;
    margin-bottom:70px;
    padding-bottom: 70px;
}
.column h3{
    font-family: var(--serif-font);
    font-weight: var(--normal);
    font-size:2.4em;
    line-height: 1.4;
    width:550px;
}
.visitors-rule-title h3 span{
    display: block;
}
.visitors-rule ul{
    display: block;
}
.visitors-rule-list{
    margin-top:2em;
}
.visitors-rule-list li{
    display: flex;
    align-items: flex-start;
    /*width:500px;*/
    gap:1.2em;
}
.visitors-rule-list li:not(:last-of-type){
    margin-bottom:1em;
}
.visitors-rule-list li img{
    aspect-ratio: 1/1;
    width:65px;
    height:auto;
}
.visitors-rule-list li h4{
    display: inline-block;
    font-size:1.15em;
    font-weight: 600;
    color:var(--sub-color01);
    line-height:1.2;
}
.visitors-rule-list li p{
    font-weight: var(--bold);
    line-height: 1.6;
}
.historic ul li:first-of-type .historic-img-box{
    float:right;
    margin-left:1em;
    margin-bottom:1em;
}
.historic ul li:first-of-type{
    margin-bottom:2em;
}
.historic ul li:first-of-type .historic-img-box img{
    width:160px;
    height:auto;
    object-fit: contain;
}
.historic ul li .historic-img-box figcaption{
    font-size:0.8em;
    font-weight: 500;
    text-align: center;
    line-height: 1.4;
}
.historic ul li:nth-of-type(2) .historic-img-box{
    margin-bottom:2em;
}
.historic ul li:nth-of-type(2) .historic-img-box img{
    width:100%;
    height:auto;
    object-fit: contain;
}
.tradition-img-box{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap:1em;
    margin-top:2em;
}
.tradition-img-box li{
    display: inline-block;
    width:calc((100% - 1em)/2);
}
.tradition-img-box img{
    width:100%;
    height:160px;
    object-fit: cover;
}
.tradition-img-box figcaption{
    font-size:0.75em;
    font-weight: 500;
    text-align: center;
    line-height: 1.4;
}
footer{
    background-color:var(--sub-color);
    padding:2em calc((100% - 1200px)/2) 1em;
}
footer .flex{
    justify-content: space-between;
    align-items: flex-start;
}
footer h2{
    color:#fff;
}   
footer ul{
    display: flex;
    gap:0 6em;
    flex-wrap: wrap;
    flex-direction: column;
    align-content: flex-start;
    height:190px;
    padding-top:0.3em;
}
footer ul li{
    width:260px;
    margin-bottom:0.1em;
}
footer ul a{
    color:#fff;
    font-size:0.9em;
}
footer p{
    color:#fff;
    font-size:0.7em;
    margin-top:1em;
    text-align: right;
}
.map-container{
    margin:0 auto 80px;
    position: relative;
}
#viewer { 
    width: 100%; height: 75vh;
    border: 1px solid #ccc;
}
.zoom-button {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.7); /* 背景色 */
    color: white;
    border: none;
    padding: 0.2em 1em;
    font-size: 2em;
    cursor: pointer;
    z-index: 10;
}
.viewer-button-box{
    position: absolute;
    bottom:0; left:50%;
    transform: translateX(-50%);
}
.hiking-trails  ul.button-list{
    display: flex;
    justify-content: flex-end;
    margin-bottom:0 !important;
    padding-bottom:0 !important;
    margin-top:1em;
}
.button-list a{
    border:1px solid var(--sub-color01);
    background-color:#fff;
    color:var(--sub-color01);
    font-weight: var(--bold);
    display: inline-block;
    padding:0.55em 2em;
    border-radius: 999px;
    transition: all 0.1s ease-in;
}
.button-list a:hover{
    text-decoration: none;
    color:#fff;
    background-color: var(--sub-color01);
}