@charset "UTF-8";

/* =========================================================
Basic
========================================================= */

html, body{
    font-family:'Roboto', 'Noto Sans JP', 'ヒラギノ角ゴ Std', 'Hiragino Kaku Gothic Std', 'メイリオ', 'Meiryo', 'MS ゴシック', sans-serif;
}

button{
    border:none;
    background-color:transparent;
    cursor: pointer;
}

button, input, select{
    line-height: 1.5;
}

ul,li {
    list-style: none;
    padding: 0;
    margin: 0;
}
body {
    margin: 0 auto;
    color: #111;
    line-height: 1.5;
}

.noscroll{
    overflow: hidden;
}

a{
    text-decoration: none;
    width:100%;
    color:inherit;
    cursor: pointer;
}

@media screen and (min-width:769px){

a.c-img_hover:hover{
    opacity: 0.7;
    transition: all 0.4s ease;  
}

a.c-text_hover:hover{
    text-decoration: underline;
}

a.c-text_hover:hover img{
    opacity: 0.7;
}

}

@media screen and (max-width:768px){
    html, body{
        letter-spacing: 0;
    }
    .c-pc{
        display:none;
    }
}

@media screen and (min-width:769px){
    .c-sp{
        display:none;
    }
}

@media screen and (min-width:501px){
    .c-sp2{
        display: none;
    }   
}

/* =========================================================
header
========================================================= */

.header {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    font-size: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position:fixed;
    z-index: 1000;
    width:100%;
    background-color: white;
    height:100px;
}

.header_logo {
    padding-left:80px;
}

.header_nav ul {
    display: flex;
    padding-right: 80px;
}

.header_nav li {
    margin-right: 40px;
    position:relative;
    cursor: pointer;
}

.header_nav li a{
    display: block;
    padding-bottom:10px;
}

.header_nav li:last-child {
    margin-right: 0;
}
@media screen and (min-width: 1081px) {
.header_nav li:after{
    position:absolute;
    width:0;
    right:0;
    left:auto;
    bottom:0;
    height: 2px;
    background-color: #1e2a61;
    transition: 0.4s cubic-bezier(0.260, 0.005, 0.000, 1.035);
    content: "";
    z-index: 1;
}

.header_nav li.checked:after, .header_nav li:hover:after{
    width:100%;
    right:auto;
    left:0;
}

.header_nav li.checked a {
    color: #1e2a61;
}

.header_nav li:hover a{
    color:#1e2a61;
}
}

/* =========================================================
burger_btn
========================================================= */

.burger_btn{
    margin:0 20px;
    cursor: pointer;
    align-self: center;
    position: relative;
    z-index: 100000;
}

.bars{
    width:40px;
    height:26px;
    position: relative;
} 

.bar{
    position: absolute;
    left:0;
    display:block;
    width:40px;
    height:2px;
    background-color: #1e2a61;
    transition:all 0.4s ease;
}

.burger_btn.active .bar{
    background-color: white;
}

.bar01{
    top:0;
}
.bar02{
    top:50%;
}
.bar03{
    bottom:0;
}
.burger_btn.active .bar01{
    transform: translate(0, 12px) rotate(30deg);
}

.burger_btn.active .bar02{
    opacity: 0;
}

.burger_btn.active .bar03{
    transform: translate(0, -12px) rotate(-30deg);
}


@media screen and (max-width: 1080px) {
    .header{
        height:80px;
    }
    .header_pc {
        display: none;
    }

    .header_logo{
        padding-left: 20px;
    }
    
    .header_nav {
        visibility: hidden;
        position: fixed;
        top:0;
        left:0;
        z-index: 100;
        width: 100vw;
        height: 100vh;
        text-align: center;
        background-color: #1e2a61;
        color: #fff;
        opacity:0;
    }

    .header_nav.active{
        visibility: visible;
        opacity: 1;
        transition:all 0.5s ease-in-out;
    }

    .header_nav ul {
        display: block;
        position:absolute;
        top:50%;
        left:50%;
        transform: translate(-50%, -50%);
        padding:0;
    }
    .header_nav li{
        margin-right: 0;
        margin-bottom: 16%;
    }

    .header_nav li.checked:before{ 
        position:absolute;
        content:'';
        width:40px;
        height:1px;
        background-color: white;
        top:11px;
        left:-60px;
    }
}

@media screen and (min-width: 1081px) {
    .header_sp {
        display: none;
    }
    .header_sp{
        display:none;
    }
}
   

/* =========================================================
t-main
========================================================= */

.t-main {
    margin: 0 auto;
}

.t-main h2 {
    font-weight: 700;
    font-size: 32px;
}

.t-main h3 {
    font-weight: 700;
    font-size: 26px;
}

.t-main h4 {
    font-weight: 700;
    font-size: 20px;
}

.t-main h3, .t-main h4, .t-main h5, p, dd, dt{
    margin: 0;
}

@media screen and (max-width: 768px) {
    .t-main h3 {
        font-size: 22px;
    }
}

/* =========================================================
共通パーツ
========================================================= */

.c-img_wrapper{
    max-width: 100%;
}
.c-wrapper{
    max-width: 1080px;
    margin:0 auto;
    text-align: center;
    padding:0 5%;
}

.c-title {
    margin: 0 auto;
}

.c-title_border {
    width: 40px;
    padding-bottom: 12px;
    border-bottom: 1px solid #8993c3;
    margin: 0 auto 40px;
}

.c-shape {
    padding: 35px 16px;
}

.c-dot img{
    width:100%;
}

.c-box a {
    display: inline-block;
    transition: 0.1s;
    font-weight: 700;
    font-size: 15px;
    color: #fff;
    background-color: #1e2a61;
    width: 260px;
    padding: 18px 0;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.c-box a::after {
    content: "";
    position: absolute;
    bottom: 26px;
    right: 16px;
    width: 6px;
    height: 6px;
    border-top: 1px solid #fff;
    border-right: 1px solid #fff;
    transform: rotate(45deg);
}

@media screen and (min-width:769px){
    .c-box a:hover {
        opacity:0.7;
        transition: all 0.4s ease-in-out;
    }
}

.c-box.main,.c-box {
    margin: 40px 0 80px;
}

.c-title_eg {
    font-weight: 700;
    font-size: 14px;
    color: #8993c3;
    margin: 0 auto 40px;
    letter-spacing: 0.04em;
}

@media screen and (max-width: 768px) {
    .c-title.main,.c-title.activities {
        flex-wrap: wrap;
        justify-content: center;
    }

    .c-shape {
        padding: 0;
        margin-bottom: 15px;
        width: 100%;
    }

    .c-shape02 {
        width: 100%;
    }

    .c-box.main {
        margin-bottom: 40px;
    }

    .c-box {
        margin: 0 0 40px;
    }

    .c-title_border {
        margin-bottom: 20px;
    }
}

/* =========================================================
top以外共通部分
========================================================= */
.c-title_top {
    padding-top: 60px;
    padding-left: 5%;
}

.c-title_top .c-title_eg {
    color: #fff;
}

.content01 {
    margin-top: 100px;
}

.content02 {
    margin-top: 80px;
}

.title_shape {
    padding-top: 5px;
}

@media screen and (max-width: 768px) {
    
    .main_title{
        top: 90px;
    }

    .content01 {
        margin-top: 50px;
    }
    
    .title_shape {
        padding: 0;
    }

    .main_title h2 {
        font-size: 24px;
    }

    .title_shape {
        width: 100%;
    }
}

/* =========================================================
report
========================================================= */

.c-report_list {
    display: flex;
    flex-wrap: wrap;
}

.c-report_empty{
    width:100%;
    text-align: center;
}

.c-report_item{
    width:31.33%;
    margin-right: 3%;
    margin-bottom: 3%;
}

.c-report_item:nth-child(3n){
    margin-right: 0%;
}

.c-report_item a{
    width:100%;
    height:100%;
    display: flex;
    flex-direction: column;
}

@media screen and (min-width:769px){
    .c-report_item a:hover{
        opacity:0.7;
        transition: all 0.4s ease-in-out;
    }
}

.c-report_item .c-img_wrapper{
    width:300px;
}

.c-report_item img{
    width:100%;
    height:100%;
    object-fit: cover;
    aspect-ratio: 3 / 2;
}

.c-report_tx_area{
    text-align: left;
}

.c-report_date {
    font-family: 'Roboto', sans-serif;
    font-weight: 400;
    font-size: 14px;
    /*color: #007ec6;*/
    color: #8993c3;
    margin: 10px 0;
}

.c-report_time {
    margin-right: 12px;
}

.c-report_new {
    display: inline-block;
    margin-top: -2px;
    margin-right: 12px;
    padding: 3px 8px;
    background-color: #d80202;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    vertical-align: top;
    border-radius: 2px;
}

.c-report_tag{
    display: inline-block;
    margin-top: -2px;
    padding: 3px 8px;
    font-size: 12px;
    color: #fff;
    font-family:"Noto Sans Jp", sans-serif;
    font-weight: 500;
    border-radius: 2px;
    vertical-align: top;
}

.c-report_tag.class{
    background-color: #495698;
}
.c-report_tag.river{
    background-color: #1e2a61;
}
.c-report_tag.other{
    background-color: #7c7c7c;
}

.c-report_tx {
    font-weight: 700;
    font-size: 16px;
}

@media screen and (max-width: 768px) {

    .c-report_item{
        width:48%;
        margin-right: 4%;
    }

    .c-report_empty{
        margin-bottom: 20px;
    }

    .c-report_item:nth-child(3n){
        margin-right: 4%;
    }

    .c-report_item:nth-child(2n){
        margin-right: 0;
    }

    .c-report_date {
        margin-bottom: 5px;
    }

    .c-report_tx {
        margin-bottom: 20px;
    }

    .c-report_time {
        margin-right: 6px;
    }

    .c-report_new {
        margin-right: 6px;
        padding: 3px 5px;
    }
    
    .c-report_tag{
        padding: 3px 5px;
    }
}

/* =========================================================
footer
========================================================= */
.footer {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 500;
    font-size: 14px;
    text-align: center;
    color: #fff;
    background-color: #1e2a61;
    padding-top: 40px;
}

.footer ul {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    padding:0 20px;
}

.footer li {
    padding:0 20px;
    border-left:1px solid #fff;
}

.footer li:first-child{
    border-left:none;
}

@media screen and (min-width:769px){
    .footer li a:hover{
        text-decoration: underline;
    }
}


.footer  .copyright {
    font-weight: 400;
    font-size: 12px;
    padding-bottom: 40px;
}

@media screen and (max-width: 768px) {
    .ft_bk {
        background-position: right;
    }
    
    .footer ul {
        margin-bottom: 20px;
    }

    .footer li {
        margin-bottom: 10px;
    }
}


/* =========================================================
header_title
========================================================= */

.header_title {
    background-color: #1e2a61;
    padding-top: 100px;
    height: 180px;
    position:relative;
}

.header_title .c-title_top{
    position:absolute;
    padding-top: 60px;
    padding-left: 5%;
}

.header_title .c-img_wrapper{
    text-align: right;
}

.header_title h2 {
    font-weight: 700;
    font-size: 28px;
    margin: 0;
    color: #fff;
}

@media screen and (max-width: 1080px) {
    .header_title {
        padding-top: 80px;
    }
}

/* =========================================================
c-contact_wrap
========================================================= */
.c-contact_wrap {
    background-color: #ebedf5;
    margin-bottom: 80px;
    padding: 80px 5%;
    text-align: center;
}

.contact_btn {
    display: flex;
    justify-content: space-evenly;
    margin: 60px 0 40px;
}

.c-contact_wrap .c-box {
    margin: 0;
}

@media screen and (max-width: 768px) {
    .c-contact_wrap{
        padding: 40px 0;
        margin-bottom: 40px;
    }

    .c-contact_wrap p {
        font-size: 12px;
    }

    .c-contact_wrap .contact_btn {
        flex-wrap: wrap;
        justify-content: center;
        margin-top: 40px;
    }
}

.c-contact_wrap .contact02_btn {
    margin: 20px 0 0;
}

.c-contact_wrap .c-box a {
    margin: 0;
    width: 35%;
}

.c-contact_wrap p{
    margin-top: 20px;
}

@media screen and (max-width: 1080px) {
    .c-contact_wrap .c-box a {
        width: 45%;
    }
}

@media screen and (max-width: 768px) {

    .c-contact_wrap .contact02_btn {
        flex-wrap: wrap;
    }

    .c-contact_wrap .c-box a {
        width: 260px;
    }
}

/* =========================================================
professor
========================================================= */

.professor_wrap {
    margin-top: 65px;
}

.professor_wrap p.professor_label{
    font-weight: 700;
    font-size: 24px;
    text-align: left;
    position:relative;
    padding-left: 24px;
}

.professor_wrap p.professor_label::before{
    position:absolute;
    content:"";
    top:50%;
    left:0;
    transform: translateY(-50%);
    width:20px;
    height:2px;
    background-color: #8993c3;
}

.professor_area {
    text-align: left;
    display: flex;
    flex-wrap: wrap;
    margin-top: 20px;
}

.professor_info {
    width: 45%;
    margin-right: 9%;
    margin-bottom: 8%;
    display: flex;
    flex-direction: column;
}

.professor_info:nth-child(2n) {
    margin-right: 0;
}

.professor_info:last-child {
    margin-bottom: 0;
}

.professor_info_name {
    background-color: #ebedf5;
    color: #1e2a61;
    padding: 12px 15px;
    border: 2px solid #ebedf5;
    border-bottom: none;
}

.professor_info_name h3 {
    font-size: 24px;
    font-weight: 700;
}

.professor_info_name h4 {
    font-size: 16px;
    font-weight: 400;
}

.professor_info_tx {
    padding: 12px 15px;
    border: 2px solid #ebedf5;
    flex: 1;
}

.professor_info_tx p {
    font-weight: 400;
    text-indent: -3em;
    margin-left: 3em;
}

@media screen and (max-width: 768px) {
    .professor_wrap {
        margin-top: 20px;
    }

    .professor_wrap .professor_label {
        font-size: 20px;
    }

    .professor_info_name h3 {
        font-size: 20px;
    }

    .professor_info_name h4 {
        font-size: 14px;
    }

    .professor_info_tx p {
        font-size: 14px;
    }
}

@media screen and (max-width: 500px) {
    .professor_info {
        width: 100%;
        margin-right: 0;
    }
}