@media screen and (min-width:1024px) {
    /*whole*/
    *{
        font-family: 'Noto Sans JP', sans-serif;
    }
    html, body{
        margin:0;
        padding:0;
    }
    body{
        position: relative;
    }

    /*header*/
    .site-header{
        width: 100%;
        background: #fff;
        padding: 0.5em;
        top: 0;
        transition: .5s;
        z-index: 999;
        opacity: 0.9;
    }
    .header-logo img{
        height: 20px;
        width: auto;
    }
    .nav{
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .nav li:last-child{
        margin-right:1.5em;
        padding: 0.5em;
    }
    .nav_item{
        width: 30%;
        list-style-type: none;
        font-size:1.3em;
        color: black;
    }
    .nav_item img{
        width: 100%;
    }

    /*drop down menu*/
    .dropdown{
        width: 90%;
        margin: 0 auto 1.0em;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        background: #fff;
        opacity: 0.9;
        border-bottom: 1px solid #e6e6e6;
    }
    .item_dropdown{
        width: 16%;
        position: relative;
        font-weight: bold;
        list-style-type: none;
    }    
    .title_dropdown{
        position: relative;
        line-height: 1.5em;
        margin: 0 auto;
        padding: 1.0em 0;
        font-size: 1.1em;
        font-weight: 900;
        text-align: center;
        color: #333;
    }
    .title_dropdown a:hover{
        color: #ff0000;
        transition: all .3s;
        cursor: pointer;
    }

    /*background*/
    .background{
        width: 100%;
        position: relative;
    }
    .background_2024ahs{
        width: 100%;
        height: 60vh;
        object-fit: cover;
        object-position: 0 60%;
    }
    .title_2024ahs{
        width: 90%;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    /************contents************/
    .main{
        width: 95%;
        margin: 3.0em auto;
    }
    /*group*/
    .group{
        width: 100%;
        margin: 2.0em auto;
    }
    .title_group{
        width: 80%;
        margin: 2.0em auto;
        text-align: center;
    }
    .title_group span{
        font-size: 2.0em;
        font-weight: 900;
    }
    .caption_group{
        width: 90%;
        margin: 1.0em auto;
        text-align: center;
    }
    .caption_group p{
        font-size: 1.2em;
        line-height: 1.5em;
    }
    .flex_group{
        width: 90%;
        margin: 1.0em auto;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }
    .item_group{
        width: 45%;
        margin: 1.0em auto;
        padding: 0.5em;
    }
    .upper_item_group{
        width: 100%;
    }
    .upper_item_group img{
        width: 100%;
    }
    .upper_item_group a:hover{
        opacity: 0.7;
        cursor: pointer;
        transition: all .3s;
    }
    .lower_item_group{
        width: 100%;
        padding: 1.0em;
        position: relative;
        border-right: 1px solid #e6e6e6;
        border-bottom: 1px solid #e6e6e6;
        border-left: 1px solid #e6e6e6;
    }
    .lower_item_group p{
        font-size: 1.2em;
        font-weight: 700;
    }
    .lower_item_group p::after{
        font-family: 'Font Awesome 5 Free';
        content: '\f054';
        position: absolute;
        font-weight: 900;
        font-size: 1.2em;
        right: 25px;
    }
    .lower_item_group p:hover{
        transition: all .3s;
        cursor: pointer;
        color: #ff0000;
    }
    /*update-info*/
    .update-info{
        width: 100%;
        margin: 2.0em auto;
        display: flex;
        justify-content: center;
    }
    /*update*/
    .update{
        width: 50%;
    }
    .title_update{
        width: 100%;
        margin: 1.5em 0;
        text-align: center;
    }
    .title_update img{
        width: 50%;
    }
    .contents_update{
        width: 95%;
        margin: 1.0em auto;
    }
    .flex_contents_update{
        width: 100%;
        display: flex;
        justify-content: center;
    }
    .item_contents_update{
        border: 2px solid #333;
        margin-top: -2px;
        margin-left: -2px;
    }
    .item_contents_update:nth-of-type(1){
        width: 35%;
        text-align: center;        
        display: table;
    }
    _:lang(x)+_:-webkit-full-screen-document, .item_contents_update:nth-of-type(1){
        margin-bottom: 2px;
        margin-left: -2px;
    }
    .item_contents_update:nth-of-type(1) p{
        display: table-cell;
        vertical-align: middle;
        font-size: 1.1em;
        font-weight: 700;
    }
    .item_contents_update:nth-of-type(2){
        width: 60%;
        padding: 0.5em 1.0em;
    }
    .item_contents_update:nth-of-type(2) p{
        font-size: 1.0em;
        line-height: 1.5em;
    }
    /*info*/
    .info{
        width: 50%;
    }
    .title_info{
        width: 100%;
        margin: 1.5em 0;
        text-align: center;
    }
    .title_info img{
        width: 30%;
    }
    .contents_info{
        width: 80%;
        margin: 1.0em auto;
        padding: 0.5em;
        border-top: 3px solid #99CFFF;
        border-bottom: 3px solid #99CFFF;
    }
    .caption_info{
        width: 95%;
        margin: 0.5em auto;
    }
    .caption_info p{
        font-size: 1.0em;
        line-height: 1.5em;
    }
    .list_info{
        width: 95%;
        position: relative;
        margin: 0.5em auto;
    }
    .item_list_info{
        width: 75%;
        margin: 0 auto;
        line-height: 2.0em;
        font-size: 1.0em;
        font-weight: 700;
        list-style-type: none;
    }
    .item_list_info::before{
        position: absolute;
        font-family: "Font Awesome 5 Free";
        content: '\f138';
        color: #99CFFF;
        font-weight: 900;
        left: 5%;
    }
    .item_list_info a:hover{
        opacity: 0.7;
        cursor: pointer;
        transition: all .3s;
        font-size: 1.1em;
    }

    /*smooth scroll*/
    .topbtn{
        right: 40px;
        background: #333;
        opacity: 0.6;
        border-radius: 50%;
        display: block;
        width: 70px;
        height: 70px;
        text-decoration: none;
    }
    .topbtn::before{
        font-family: 'Font Awesome 5 Free';
        font-weight: 900;
        content: '\f102';
        font-size: 25px;
        color: #fff;
        position: absolute;
        width: 25px;
        height: 25px;
        top: -5px;
        bottom: 0;
        right: 0;
        left: 0;
        margin: auto;
        text-align: center;
    }

    /*footer*/
    .site-footer{
        position: relative;
        margin-top: 2.4em;
        color: #fff;
    }
    .site-footer a{
        text-decoration: none;
        color: #fff;
    }
    .site-footer .top-section{
        padding: 1.6em 0.9em;
        background-color: #333;
    }
    .site-footer .top-section .flex{
        display: flex;
        justify-content: center;
    }
    .site-footer .top-section .flex .left{
        width: 50%;
        margin-left: 10vw;
    }
    .site-footer .footer-logo{
        position: relative;
        padding: 0;
        margin: 0;
        width: 100%;
        font-size: 2.2em;
        font-weight: bold;
    }
    .address{
        margin: 0.8em 0 0;
        padding: 0;
    }
    .site-footer .sns{
        margin: 1.2em 0 0 2.5em;
        padding: 0;
    }
    .site-footer .sns li{
        display: inline-block;
        margin: 0 1.2em 0 0;
        padding: 0;
        font-size: 2.2em;
    }
    .site-footer .sns li:last-child{
        margin-right: 0;
    }
    .site-footer .sns li a{
        transition: all 0.5s;
    }
    .site-footer .sns li a:hover{
        opacity: 0.7;
        transform:scale(1.2, 1.2)
    }
    .site-footer .top-section .flex .right{
        display: flex;
        width: 70%;
    }
    .navi-section{
        display: flex;
        flex-direction: column;
        width: 50%;
        margin-left: 6vw;
    }
    .title-section{
        width: 15vw;
        min-width: 30px;
        padding: 0.5rem 2rem;
        border-top: 3px solid white;
        border-bottom: 3px solid white;
        text-align: center;
        margin: 1em 0;
    }
    .site-footer .navi-list{
        margin: 0;
        padding: 0;
        list-style: none;
        line-height: 2em;
    }
    .site-footer .navi-list li{
        margin: 0.5em 0 0 0;
        padding: 0;
    }
    .site-footer .navi-list li:first-child{
        margin: 0;
    }
    .site-footer .navi-list a:hover,
    .site-footer .title-list a:hover{
        text-decoration: none;
        opacity: 0.7;
    }
    .site-footer .title-list{
        margin: 0 0 0.9em 0;
        padding: 0;
        font-weight: bold;
        line-height: 2em;
    }
    .site-footer .bottom-section{
        display: flex;
        justify-content: center;
        padding: 1.6em 0.9em;
        background: #222;
    }
    .site-footer .copyright{
        width: 90%;
        margin: 0;
        padding: 0;
        text-align: center;
    }  
}









@media screen and (min-width:768px) and (max-width:1023px) {
    /*whole*/
    *{
        font-family: 'Noto Sans JP', sans-serif;
    }
    html, body{
        margin:0;
        padding:0;
    }
    body{
        position: relative;
    }

    /*header*/
    .site-header{
        width: 100%;
        top: 0;
        transition: .5s;
        z-index: 999;
        margin: 1.0em auto;
    }
    .nav{
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .nav li:last-child{
        margin-right:1.5em;
        padding: 0.5em;
    }
    .nav_item{
        list-style-type: none;
        font-size:1.1em;
        color: black;
        width: 40%;
    }
    .nav_item img{
        width: 100%;
    }

    /*drop down menu*/
    .dropdown{
        width: 95%;
        margin: 0 auto 1.0em;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        background: #fff;
        opacity: 0.9;
        border-bottom: 1px solid #e6e6e6;
    }
    .item_dropdown{
        width: 16%;
        position: relative;
        font-weight: bold;
        list-style-type: none;
    }    
    .title_dropdown{
        position: relative;
        line-height: 1.5em;
        margin: 0 auto;
        padding: 1.0em 0;
        font-size: 1.0em;
        font-weight: 900;
        text-align: center;
        color: #333;
    }
    .title_dropdown a:active{
        opacity: 0.7;
    }

    /*background*/
    .background{
        width: 100%;
        position: relative;
    }
    .background_2024ahs{
        width: 100%;
        height: 40vw;
        object-fit: cover;
        object-position: 0 60%;
    }
    .title_2024ahs{
        width: 90%;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    /************contents************/
    .main{
        width: 95%;
        margin: 2.5em auto;
    }
    /*group*/
    .group{
        width: 100%;
        margin: 2.0em auto;
    }
    .title_group{
        width: 80%;
        margin: 2.0em auto;
        text-align: center;
    }
    .title_group span{
        font-size: 1.4em;
        font-weight: 900;
    }
    .caption_group{
        width: 90%;
        margin: 1.0em auto;
        text-align: center;
    }
    .caption_group p{
        font-size: 1.0em;
        line-height: 1.5em;
    }
    .flex_group{
        width: 90%;
        margin: 1.0em auto;
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }
    .item_group{
        width: 45%;
        margin: 1.0em auto;
        padding: 0.5em;
    }
    .upper_item_group{
        width: 100%;
    }
    .upper_item_group img{
        width: 100%;
    }
    .upper_item_group a:active{
        opacity: 0.7;
        transition: all .3s;
    }
    .lower_item_group{
        width: 100%;
        padding: 1.0em;
        position: relative;
        border-right: 1px solid #e6e6e6;
        border-bottom: 1px solid #e6e6e6;
        border-left: 1px solid #e6e6e6;
    }
    .lower_item_group p{
        font-size: 1.0em;
        font-weight: 700;
    }
    .lower_item_group p::after{
        font-family: 'Font Awesome 5 Free';
        content: '\f054';
        position: absolute;
        font-weight: 900;
        font-size: 1.0em;
        right: 25px;
    }
    .lower_item_group p:active{
        cursor: pointer;
        color: #ff0000;
    }
    /*update-info*/
    .update-info{
        width: 100%;
        margin: 2.0em auto;
        display: flex;
        justify-content: center;
    }
    /*update*/
    .update{
        width: 55%;
    }
    .title_update{
        width: 100%;
        margin: 1.5em 0;
        text-align: center;
    }
    .title_update img{
        width: 50%;
    }
    .contents_update{
        width: 95%;
        margin: 1.0em auto;
    }
    .flex_contents_update{
        width: 100%;
        display: flex;
        justify-content: center;
    }
    .item_contents_update{
        border: 2px solid #333;
        margin-top: -2px;
        margin-left: -2px;
        display: table;
    }
    .item_contents_update:nth-of-type(1){
        width: 35%;
        text-align: center;        
    }
    _:lang(x)+_:-webkit-full-screen-document, .item_contents_update:nth-of-type(1){
        margin-bottom: 2px;
        margin-left: -2px;
    }
    .item_contents_update:nth-of-type(1) p{
        display: table-cell;
        vertical-align: middle;
        font-size: 1.0em;
        font-weight: 700;
    }
    .item_contents_update:nth-of-type(2){
        width: 60%;
        padding: 0.5em 1.0em;
    }
    .item_contents_update:nth-of-type(2) p{
        font-size: 0.9em;
        line-height: 1.5em;
    }
    /*info*/
    .info{
        width: 45%;
    }
    .title_info{
        width: 100%;
        margin: 1.5em 0;
        text-align: center;
    }
    .title_info img{
        width: 35%;
    }
    .contents_info{
        width: 90%;
        margin: 1.0em auto;
        padding: 0.5em;
        border-top: 3px solid #99CFFF;
        border-bottom: 3px solid #99CFFF;
    }
    .caption_info{
        width: 95%;
        margin: 0.5em auto;
    }
    .caption_info p{
        font-size: 0.9em;
        line-height: 1.5em;
    }
    .list_info{
        width: 95%;
        position: relative;
        margin: 0.5em auto;
    }
    .item_list_info{
        width: 77%;
        margin: 0 auto;
        line-height: 1.8em;
        font-size: 0.9em;
        font-weight: 700;
        list-style-type: none;
    }
    .item_list_info::before{
        position: absolute;
        font-family: "Font Awesome 5 Free";
        content: '\f138';
        color: #99CFFF;
        font-weight: 900;
        left: 3%;
    }
    .item_list_info a:active{
        opacity: 0.7;
        transition: all .3s;
        text-decoration: underline;
    }

    /*smooth scroll*/
    .topbtn{
        right: 40px;
        background: #333;
        opacity: 0.6;
        border-radius: 50%;
        display: block;
        width: 70px;
        height: 70px;
        text-decoration: none;
    }
    .topbtn::before{
        font-family: 'Font Awesome 5 Free';
        font-weight: 900;
        content: '\f102';
        font-size: 25px;
        color: #fff;
        position: absolute;
        width: 25px;
        height: 25px;
        top: -5px;
        bottom: 0;
        right: 0;
        left: 0;
        margin: auto;
        text-align: center;
    }

    /*footer*/
    .site-footer{
        position: relative;
        color: #fff;
    }
    .site-footer a{
        text-decoration: none;
        color: #fff;
    }
    .site-footer .top-section{
        padding: 1.6em 0;
        background-color: #333;
    }
    .site-footer .top-section .flex{
        display: flex;
        justify-content: center;
    }
    .site-footer .top-section .flex .left{
        width: 50%;
        margin-left: 8vw;
    }
    .site-footer .footer-logo{
        position: relative;
        padding: 0;
        margin: 0;
        width: 100%;
        font-size: 2.2em;
        font-weight: bold;
    }
    .address{
        margin: 0.8em 0 0;
        padding: 0;
        line-height: 1.5em;
    }
    .site-footer .sns{
        margin: 1.2em 0 0 2.5em;
        padding: 0;
    }
    .site-footer .sns li{
        display: inline-block;
        margin: 0 1.2em 0 0;
        padding: 0;
        font-size: 2.2em;
    }
    .site-footer .sns li:last-child{
        margin-right: 0;
    }
    .site-footer .sns li a{
        transition: all 0.5s;
    }
    .site-footer .sns li a:hover{
        opacity: 0.7;
        transform:scale(1.2, 1.2)
    }
    .site-footer .top-section .flex .right{
        display: flex;
        width: 70%;
    }
    .navi-section{
        display: flex;
        flex-direction: column;
        width: 50%;
        margin-left: 6vw;
    }
    .title-section{
        width: 19vw;
        min-width: 30px;
        padding: 0.5rem 2rem;
        border-top: 3px solid white;
        border-bottom: 3px solid white;
        text-align: center;
        margin: 1em 0;
    }
    .site-footer .navi-list{
        margin: 0;
        padding: 0;
        list-style: none;
        line-height: 2em;
        font-size: 0.8em;
    }
    .site-footer .navi-list li{
        margin: 0.5em 0 0 0;
        padding: 0;
    }
    .site-footer .navi-list li:first-child{
        margin: 0;
    }
    .site-footer .navi-list a:hover,
    .site-footer .title-list a:hover{
        text-decoration: none;
        opacity: 0.7;
    }
    .site-footer .title-list{
        margin: 0 0 0.9em 0;
        padding: 0;
        font-weight: bold;
        line-height: 2em;
    }
    .site-footer .bottom-section{
        display: flex;
        padding: 1.6em 0.9em;
        background: #222;
    }
    .site-footer .copyright{
        width: 90%;
        margin: 0;
        padding: 0;
        text-align: center;
    }
}









@media screen and (max-width:767px) {
    /*whole*/
    *{
        font-family: 'Noto Sans JP', sans-serif;
    }
    html, body{
        margin:0;
        padding:0;
    }
    body{
        position: relative;
    }

    /*header*/
    .site-header{
        width: 100%;
        margin: 1.0em 0;
        top: 0;
        transition: .5s;
        z-index: 999;
        list-style-type: none;
    }
    .nav_item{
        width: 70%;
    }
    .nav_item img{
        width: 100%;
    }

    /*toggle for smartphone*/
    .nav-toggle{
        width: 30px;
        position: fixed;
        border: none;
        cursor: pointer;
        background:none;
        margin-right:50px;
        z-index:10;
    }
    .nav-toggle span{
        display: block;
        overflow: hidden;
        white-space: nowrap;
        text-indent: 100%;
        width: 31px;
        height: 2px;
        background: #333;
        position: absolute;
        transition: 0.2s;
        top: -30px;
        right: -90vw;    
        }
    .nav-toggle span:nth-child(1){
        transform: translate(-50%, -13px);
      }
    .nav-toggle span:nth-child(2){
        transform: translate(-50%, -50%);
      }
    .nav-toggle span:nth-child(3){
        transform: translate(-50%, 10px);
      }
    .nav-toggle .act span{
        width: 35px;
        height: 3px;
      }
    .nav-toggle.act span:nth-child(1){
        transform: translate(-50%, 50%) rotate(45deg);
        background:#333;
      }
    .nav-toggle.act span:nth-child(2){
        opacity: 0;
      }
    .nav-toggle.act span:nth-child(3){
        transform: translate(-50%, 50%) rotate(-45deg);
        background:#333;
    }
    #overlay {
        content: "";
        display: block;
        height: 0;
        background-color: rgba(0, 0, 0, 0.5);
        position: absolute;
        top: -10%;
        left: 0;
        z-index: 8;
        opacity: 0;
        transition: .5s;
      }
    #overlay.open {
        width: 100%;
        height: 100%;
        opacity: 1;
      }
      .dropdown.open {
        transform: translateZ(0);
      }

    /*drop down menu*/
    .dropdown{
        width: 65%;
        height: 100%;
        position: fixed;
        margin: 0 auto 1.0em;
        padding-top: 20%;
        justify-content: center;
        flex-wrap: wrap;
        background: #F0F8FF;
        border-bottom: 1px solid #e6e6e6;
        z-index: 9;
        top: 0;
        right: 0;
        transform: translate(600px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        -webkit-transition: .3s ease-in-out;
        transition: .3s ease-in-out;
    }
    .item_dropdown{
        width: 90%;
        margin: 0 auto;
        position: relative;
        font-weight: bold;
        list-style-type: none;
    }    
    .title_dropdown{
        position: relative;
        line-height: 1.5em;
        margin: 0 auto;
        padding: 1.0em 0;
        font-size: 1.0em;
        font-weight: 900;
        text-align: center;
        color: #333;
    }
    .title_dropdown a:active{
        opacity: 0.7;
    }

    /*background*/
    .background{
        width: 100%;
        position: relative;
    }
    .background_2024ahs{
        width: 100%;
        height: 55vw;
        object-fit: cover;
        object-position: 0 60%;
    }
    .title_2024ahs{
        width: 95%;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    /************contents************/
    .main{
        width: 95%;
        margin: 2.5em auto;
    }
    /*group*/
    .group{
        width: 100%;
        margin: 1.0em auto;
    }
    .title_group{
        width: 80%;
        margin: 1.0em auto;
        text-align: center;
    }
    .title_group span{
        font-size: 1.2em;
        font-weight: 900;
    }
    .caption_group{
        width: 90%;
        margin: 1.0em auto;
        text-align: center;
    }
    .caption_group p{
        font-size: 0.9em;
        line-height: 1.5em;
    }
    .flex_group{
        width: 90%;
        margin: 1.0em auto;
        display: flex;
        flex-direction: column;
    }
    .item_group{
        width: 100%;
        margin: 0.5em auto;
        padding: 0.5em;
    }
    .upper_item_group{
        width: 100%;
    }
    .upper_item_group img{
        width: 100%;
    }
    .upper_item_group a:active{
        opacity: 0.7;
        transition: all .3s;
    }
    .lower_item_group{
        width: 100%;
        padding: 1.0em;
        position: relative;
        border-right: 1px solid #e6e6e6;
        border-bottom: 1px solid #e6e6e6;
        border-left: 1px solid #e6e6e6;
    }
    .lower_item_group p{
        font-size: 1.0em;
        font-weight: 700;
    }
    .lower_item_group p::after{
        font-family: 'Font Awesome 5 Free';
        content: '\f054';
        position: absolute;
        font-weight: 900;
        font-size: 1.0em;
        right: 25px;
    }
    .lower_item_group p:active{
        cursor: pointer;
        color: #ff0000;
    }
    /*update-info*/
    .update-info{
        width: 100%;
        margin: 1.0em auto;
        display: flex;
        justify-content: center;
        flex-direction: column;
    }
    /*update*/
    .update{
        width: 100%;
    }
    .title_update{
        width: 100%;
        margin: 1.5em 0;
        text-align: center;
    }
    .title_update img{
        width: 60%;
    }
    .contents_update{
        width: 95%;
        margin: 1.0em auto;
    }
    .flex_contents_update{
        width: 100%;
        display: flex;
        justify-content: center;
    }
    .item_contents_update{
        border: 2px solid #333;
        margin-top: -2px;
        margin-left: -2px;
        display: table;
    }
    .item_contents_update:nth-of-type(1){
        width: 35%;
        text-align: center;        
    }
    _:lang(x)+_:-webkit-full-screen-document, .item_contents_update:nth-of-type(1){
        margin-bottom: 2px;
        margin-left: -2px;
    }
    .item_contents_update:nth-of-type(1) p{
        display: table-cell;
        vertical-align: middle;
        font-size: 0.9em;
        font-weight: 700;
    }
    .item_contents_update:nth-of-type(2){
        width: 60%;
        padding: 0.5em;
    }
    .item_contents_update:nth-of-type(2) p{
        font-size: 0.8em;
        line-height: 1.5em;
    }
    /*info*/
    .info{
        width: 95%;
        margin: 0 auto;
    }
    .title_info{
        width: 100%;
        margin: 1.5em 0;
        text-align: center;
    }
    .title_info img{
        width: 35%;
    }
    .contents_info{
        width: 90%;
        margin: 1.0em auto;
        padding: 0.5em;
        border-top: 3px solid #99CFFF;
        border-bottom: 3px solid #99CFFF;
    }
    .caption_info{
        width: 95%;
        margin: 0.5em auto;
    }
    .caption_info p{
        font-size: 0.8em;
        line-height: 1.5em;
    }
    .list_info{
        width: 95%;
        position: relative;
        margin: 0.5em auto;
    }
    .item_list_info{
        width: 77%;
        margin: 0 auto;
        line-height: 1.8em;
        font-size: 0.9em;
        font-weight: 700;
        list-style-type: none;
    }
    .item_list_info::before{
        position: absolute;
        font-family: "Font Awesome 5 Free";
        content: '\f138';
        color: #99CFFF;
        font-weight: 900;
        left: 3%;
    }
    .item_list_info a:active{
        opacity: 0.7;
        transition: all .3s;
        text-decoration: underline;
    }

    /*smooth scroll*/
    .topbtn{
        right: 40px;
        background: #333;
        opacity: 0.6;
        border-radius: 50%;
        display: block;
        width: 50px;
        height: 50px;
        text-decoration: none;
    }
    .topbtn::before{
        font-family: 'Font Awesome 5 Free';
        font-weight: 900;
        content: '\f102';
        font-size: 25px;
        color: #fff;
        position: absolute;
        width: 25px;
        height: 25px;
        top: -5px;
        bottom: 0;
        right: 0;
        left: 0;
        margin: auto;
        text-align: center;
    }

    /*footer*/
    .site-footer{
        position: relative;
        margin-top: 2.4em;
        color: #fff;
    }
    .site-footer a{
        text-decoration: none;
        color: #fff;
    }
    .site-footer a:hover{
        text-decoration: underline;
    }
    .site-footer .top-section{
        padding: 1.2em;
        background: #333;
    }
    .site-footer .top-section .flex{
        display: block;
    }
    .site-footer .top-section .flex .left{
        width: 100%;
    }
    .site-footer .top-section .flex .left p{
        line-height: 1.8em;
    }
    .site-footer .footer-logo{
        font-size: 1.7em;
    }
    .address{
        font-size: 0.8em;
    }
    .site-footer .sns{
        margin: 0.5em 0 0;
        padding: 0;
    }
    .site-footer .sns li{
        display: inline-block;
        margin: 0 1em 0 0;
        padding: 0;
        font-size: 1.5em;
    }
    .site-footer .sns li:last-child{
        margin-right: 0;
    }
    .site-footer .top-section .flex .right{
        width: 100%;
    }
    .navi-section{
        display: block;
        width: 100%;
        margin: 40px 0 0;
    }
    .title-section{
        width: 40vw;
        min-width: 30px;
        padding: 0.5rem 1rem;
        border-top: 2px solid white;
        border-bottom: 2px solid white;
        text-align: center;
        margin: 1em 0;
    }
    .site-footer .navi-list{
        list-style: none;
        padding-bottom: 10px;
        border-bottom: 1px solid #444;
    }
    .site-footer .navi-list li{
        border-top: 1px solid #444;
        padding-top: 10px;
        margin-top: 10px;
        font-size: 0.8em;
    }
    .site-footer .navi-list li:first-child{
        margin: 0;
    }
    .site-footer .navi-list a:hover,
    .site-footer .title-list a:hover{
        text-decoration: none;
    }
    .site-footer .title-list{
        margin: 0 0 0.9em 0;
        padding: 0;
        font-weight: bold;
        line-height: 2em;
    }
    .site-footer .bottom-section{
        display: block;
        padding: 2.2em;
        background: #222;
    }
    .site-footer .copyright{
        width: 100%;
        text-align: center;
        font-size: 0.9em;
    }
}