.slider-item img,
.slider-item-sp img {
    width: 100%;
}
.slider-item-sp {
    display: none;
}
#slider-container {
    margin-bottom: 30px;
}
#slider-thumb-container {
    display: flex;
    justify-content: center;
    background-color: #00448B;
}
.slider-thumb {
    width: 80%;
}
.slider-thumb-item {
    margin: 20px 5px;
    cursor: pointer;
}
.slider-thumb-item img {
    width: 100%;
}
.slider-pic {
    overflow: hidden;
}
/* .slider-pic a img {} */
.slider-pic:hover a img {
    opacity: 1 !important;
    transition: all 0.6s cubic-bezier(0.19, 1, 0.22, 1) !important;
    transform: scale(1.05);
}

#academics_link_area {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: .2%;
    width: 100%;
    height: auto;
    margin-bottom: 29px;
}
#academics_link_area ul {
    -webkit-margin-before: 0;
    -webkit-margin-after: 0;
}
#academics_link_area li {
    margin: 0 1px 20px 0;
    padding: 0;
    display: inline-block;
}
.academics_link_title {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.academics_link_a,
.academics_link_b,
.academics_link_c,
.academics_link_d {
    position: relative;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: column;
    background-color: #FFF;
    box-shadow: 0 0 1px #DDD;
    transition: all 0.5s;
}
.academics_link_d {
    justify-content: center;
}
.academics_link_a a,
.academics_link_b a,
.academics_link_c a,
.academics_link_d a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.academics_link_small {
    margin: 21px auto 0;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    font-family: "Yu Mincho", "YuMincho";
    letter-spacing: 0.05em;
    transition: color 0.5s;
}
.academics_link_large {
    margin-bottom: 10px;
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    font-family: "Yu Mincho", "YuMincho";
    letter-spacing: 0.05em;
    transition: color 0.5s;
}
.academics_detail {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    font-size: 13px;
    font-weight: 600;
    color: #00448B;
    transition: color 0.5s;
}
.academics_link_a img,
.academics_link_b img,
.academics_link_c img {
    padding: 0;
    transition: opacity 0.5s;
}
.img_wrap_a {
    border-bottom: 4px solid #468ECB;
    overflow: hidden;
}
.img_wrap_b {
    border-bottom: 4px solid #F6CC5C;
    overflow: hidden;
}
.img_wrap_c {
    border-bottom: 4px solid #EB95A0;
    overflow: hidden;
}
.img_wrap_d {
    border-bottom: 4px solid #FB94B7;
    overflow: hidden;
}
.img_wrap_a img,
.img_wrap_b img,
.img_wrap_c img,
.img_wrap_d img {
    transition: all 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}
.academics_link_a:hover {
    background-color: #468ECB;
}
.academics_link_b:hover {
    background-color: #F6CC5C;
}
.academics_link_c:hover {
    background-color: #EB95A0;
}
.academics_link_d:hover {
    background-color: #FB94B7;
}
.academics_link_a:hover .academics_link_small,
.academics_link_b:hover .academics_link_small,
.academics_link_c:hover .academics_link_small,
.academics_link_d:hover .academics_link_small,
.academics_link_a:hover .academics_link_large,
.academics_link_b:hover .academics_link_large,
.academics_link_c:hover .academics_link_large,
.academics_link_d:hover .academics_link_large,
.academics_link_a:hover .academics_detail,
.academics_link_b:hover .academics_detail,
.academics_link_c:hover .academics_detail,
.academics_link_d:hover .academics_detail {
    color: #FFFFFF;
}
.academics_link_a:hover img,
.academics_link_b:hover img,
.academics_link_c:hover img,
.academics_link_d:hover img {
    /*	opacity: 0.9;*/
    transform: scale(1.05);
}

.link_circle {
    position: relative;
    width: 18px;
    height: 18px;
    margin-left: 9px;
    border: 1px solid #00448B;
    border-radius: 9px;
    transition: border 0.5s;
}
.link_arrow {
    position: absolute;
    top: 50%;
    right: 6px;
    width: 6px;
    height: 6px;
    margin-top: -3px;
    border-right: 1px solid #00448B;
    border-bottom: 1px solid #00448B;
    transform: rotateZ(-45deg);
    transition: border 0.5s;
}
.academics_link_a:hover .link_circle,
.academics_link_b:hover .link_circle,
.academics_link_c:hover .link_circle,
.academics_link_d:hover .link_circle {
    border-color: #FFFFFF;
}
.academics_link_a:hover .banner_arrow_button,
.academics_link_b:hover .banner_arrow_button,
.academics_link_c:hover .banner_arrow_button,
.academics_link_d:hover .banner_arrow_button {
    border-color: #FFFFFF;
    background-color: #FFFFFF;
}
.academics_link_a:hover .link_arrow,
.academics_link_b:hover .link_arrow,
.academics_link_c:hover .link_arrow,
.academics_link_d:hover .link_arrow {
    border-right: 1px solid #FFFFFF;
    border-bottom: 1px solid #FFFFFF;
}
.academics_link_a:hover .banner_arrow2 {
    border-right: 1px solid #468ECB;
    border-bottom: 1px solid #468ECB;

}
.academics_link_b:hover .banner_arrow2 {
    border-right: 1px solid #F6CC5C;
    border-bottom: 1px solid #F6CC5C;

}
.academics_link_c:hover .banner_arrow2 {
    border-right: 1px solid #EB95A0;
    border-bottom: 1px solid #EB95A0;
}

.academics_link_d:hover .banner_arrow2 {
    border-right: 1px solid #FB94B7;
    border-bottom: 1px solid #FB94B7;
}

.o_box_graduate #academics_link_area {
    margin-bottom: 0;
}



#banner_area {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    margin-top: 21px;
}
.banner_row {
    position: relative;
    width: 25%;
    height: 428px;
    border-right: 1px solid #DDDDDD;
}
.banner_row:last-child {
    border-right: 0;
}
.banner_row a {
    /* display: inline-block; */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    /* position: absolute;
    top: 0;
    left: 0; */
    width: 100%;
    /* height: 100%;
    z-index: 10; */
}
.banner_row * {
    transition: all 0.3s;
}
.banner_image {
    position: relative;
    display: inline-block;
    width: 100%;
    height: 214px;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}
.banner_image_exam {
    background: url("/top_img/banner_exam.jpg") center no-repeat;
    background-size: cover;
}
.banner_image_opencampus {
    background: url("/top_img/banner_opencampus.jpg") center no-repeat;
    background-size: cover;
}
.banner_image_qa {
    background: url("/top_img/banner_qa.jpg") center no-repeat;
    background-size: cover;
}
.banner_image_voice {
    background: url("/top_img/banner_graduate.jpg") center no-repeat;
    background-size: cover;
}
.banner_image_kirari {
    background: url("/top_img/banner_kirari.jpg") center no-repeat;
    background-size: cover;
}
.banner_image_admission {
    background: url("/top_img/banner_admission.jpg") center no-repeat;
    background-size: cover;
}
.banner_filter {
    width: 100%;
    height: 214px;
    overflow: hidden;
}
.banner_image_left {
    position: absolute;
    width: 100%;
    max-width: 5000%;
    left: 0;
}
.banner_image_right {
    position: absolute;
    width: 100%;
    max-width: 5000%;
    right: 0;
}
.banner_image_center {
    position: absolute;
    width: 100%;
    max-width: 5000%;
    left: 50%;
    transform: translateX(-50%);
}
.banner_text {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 214px;
    background-color: #FFFFFF;
}
.banner_title {
    margin-top: 16px;
    margin-bottom: 5px;
    /* font-size: 26px; */
    font-size: clamp(16px,1.8vw,26px);
    font-family: '游明朝','Yu Mincho',YuMincho,'Hiragino Mincho Pro',serif;
    font-weight: 600;
    letter-spacing: 0.05em;
    line-height: 110%;
    color: #00448B;
    text-align: center;
}
.banner_subtitle {
    margin-bottom: 15px;
    font-size: 14px;
    font-family: '游明朝','Yu Mincho',YuMincho,'Hiragino Mincho Pro',serif;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: #00448B;
}
.banner_arrow_button {
    position: relative;
    width: 20px;
    height: 20px;
    margin-top: 16px;
    border: 1px solid #00448B;
    border-radius: 10px;
    transition: background-color 0.2s;
}
.banner_arrow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    border-right: 1px solid #00448B;
    border-bottom: 1px solid #00448B;
    transform: translateY(-50%) translateX(-60%) rotateZ(-45deg);
    transition: border 0.2s;
}
.banner_arrow2 {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 9px;
    height: 9px;
    border-right: 1px solid #FFFFFF;
    border-bottom: 1px solid #FFFFFF;
    transform: translateY(-50%) translateX(-60%) rotateZ(-45deg);
    transition: border 0.2s;
}
/*.banner_arrow_button_small{
	position: absolute;
	right: 30px;
	width: 22px;
	height: 22px;
	border-radius: 11px;
	background-color: #00448B;
}
.banner_arrow_small{
	position: absolute;
	top: 50%;
	right: 10px;
	width: 8px;
	height: 8px;
	margin-top: -4px;
	border-right: 1px solid #00448B;
	border-bottom: 1px solid #00448B;
	transform: rotateZ(-45deg);
}*/
/* .banner_row:hover .banner_image img {
    	opacity: 0.8;
} */
.banner_row:hover .banner_text {
    background-color: #00448B;
}
.banner_row:hover .banner_title,
.banner_row:hover .banner_subtitle {
    color: #FFFFFF;
}
.banner_row:hover .banner_arrow_button {
    border-color: #FFFFFF;
    background-color: #00448B;
}
.banner_row:hover .banner_arrow {
    border-right: 1px solid #FFFFFF;
    border-bottom: 1px solid #FFFFFF;
}
.banner_row a:hover{
    opacity: 1;
}
/* .banner_row:hover .banner_filter {
    	opacity: 0.2;
} */
.banner_row:hover .banner_image_exam,
.banner_row:hover .banner_image_opencampus,
.banner_row:hover .banner_image_qa,
.banner_row:hover .banner_image_kirari,
.banner_row:hover .banner_image_voice {
    transform: scale(1.05);
}
#o_box_pickup li img {
    width: 550px;
}
.disappear2,
.disappear3 {
    display: none;
}

#o_box_info {
    margin-bottom: 20px;
}

.topics li img {
    border: 1px solid #EEEEEE;
}

@media screen and (max-width: 1340px) {
    .banner_image img {
        max-width: 5000%;
        width: 556px;
    }
}

@media screen and (max-width: 1120px) {
    .academics_link_small {
        margin: 10px auto 0;
        font-size: 14px;
    }
    .academics_link_large {
        margin-bottom: 5px;
        font-size: 20px;
    }
    .academics_detail {
        margin-bottom: 5px;
        font-size: 12px;
    }
    .academics_link_a img,
    .academics_link_b img,
    .academics_link_c img,
    .academics_link_d img {
        width: 240px;
        height: 157px;
    }
    .link_circle {
        width: 14px;
        height: 14px;
        margin-left: 7px;
        border-radius: 7px;
    }
    .link_arrow {
        right: 5px;
        width: 4px;
        height: 4px;
        margin-top: -2px;
    }
    .banner_row {
        height: 314px;
    }
    .banner_image,
    .banner_filter {
        height: 157px;
    }
    .banner_text {
        height: 157px;
    }
    .banner_title {
        margin-top: 10px;
        /* font-size: 20px; */
    }
    .banner_subtitle {
        font-size: 12px;
    }
    .banner_arrow_button {
        width: 14px;
        height: 14px;
        margin-top: 10px;
    }
    .banner_arrow {
        width: 4px;
        height: 4px;
    }
}

@media screen and (max-width: 880px) {
    .academics_link_small {
        font-size: 11px;
    }
    .academics_link_large {
        font-size: 16px;
    }
    .academics_detail {
        font-size: 8px;
    }
    .academics_link_a img,
    .academics_link_b img,
    .academics_link_c img,
    .academics_link_d img {
        width: 200px;
        height: 131px;
    }
    .banner_row {
        height: 262px;
    }
    .banner_image,
    .banner_filter {
        height: 131px;
    }
    .banner_text {
        height: 131px;
    }
    .banner_title {
        margin-top: 0;
        /* font-size: 20px; */
    }
    .banner_subtitle {
        font-size: 12px;
    }
    .banner_arrow_button {
        position: absolute;
        bottom: 13px;
    }
    .disappear2 {
        display: inline-block;
    }
}

@media screen and (max-width: 768px) {
    .o_ttl {
        padding: 40px 0 20px;
    }
}

@media screen and (max-width: 700px) {
    #banner_area {
        flex-direction: column;
    }
    .banner_row {
        width: 100%;
        height: 131px;
        /* flex-direction: row; */
        border-top: 1px solid #DDD;
        border-right: none;
    }
    .banner_row a {
        flex-direction: row;
    }
    .banner_image,
    .banner_filter {
        width: 200px;
        height: 131px;
    }
    .banner_text {
        width: calc(100% - 200px);
        flex-direction: row;
        justify-content: flex-start;
        height: 131px;
    }
    .banner_title {
        margin-left: 10px;
        margin-bottom: 0;
        font-size: 20px;
    }
    .banner_subtitle {
        display: none;
    }
    .banner_arrow_button {
        position: absolute;
        right: 20px;
        top: 0;
        bottom: 0;
        margin: auto 0;
        width: 26px;
        height: 26px;
        border-radius: 13px;
        background-color: #00448B;
    }
    .banner_arrow {
        width: 9px;
        height: 9px;
        border-right: 1px solid #FFFFFF;
        border-bottom: 1px solid #FFFFFF;
        transform: transformY(-50%) transformX(-60%) rotateZ(-45deg);
    }
    .banner_row:hover .banner_arrow_button {
        border-color: #FFFFFF;
        background-color: #FFFFFF;
    }
    .banner_row:hover .banner_arrow {
        border-right: 1px solid #00448B;
        border-bottom: 1px solid #00448B;
    }
    .disappear2 {
        display: none;
    }
    .disappear4 {
        display: none;
    }
}

@media screen and (max-width: 640px) {
    #slider-container {
        margin-bottom: 0;
    }
    #slider-thumb-container {
        display: none;
    }
    .slider-item {
        display: none;
    }
    .slider-item-sp {
        display: block;
    }
    #academics_link_area {
        flex-direction: column;
        background-color: #FFFFFF;
    }
    #academics_link_area ul {
        width: 100%;
    }
    #academics_link_area li {
        display: flex;
        width: 100%;
        margin: 0 0 1px 0;
    }
    .academics_link_title {
        padding-left: 10px;
    }
    .academics_link_a,
    .academics_link_b,
    .academics_link_c,
    .academics_link_d {
        width: 100%;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
    }
    .academics_link_small {
        text-align: left;
        margin: 0;
    }
    .academics_link_large {
        text-align: left;
        margin: 0;
    }
    .academics_detail {
        justify-content: flex-start;
        margin: 0;
    }
    .img_wrap_a {
        border-right: 4px solid #468ECB;
        border-bottom: none;
    }
    .img_wrap_b {
        border-right: 4px solid #F6CC5C;
        border-bottom: none;
    }
    .img_wrap_c {
        border-right: 4px solid #EB95A0;
        border-bottom: none;
    }
    .img_wrap_d {
        border-right: 4px solid #FB94B7;
        border-bottom: none;
    }
    .banner_title {
        padding-left: 10px;
        font-size: 16px;
        text-align: left;
    }
    .disappear3 {
        display: inline-block;
    }
    .academics_detail {
        display: none;
    }

}
@media screen and (max-width: 500px) {
    .academics_link_a img,
    .academics_link_b img,
    .academics_link_c img,
    .academics_link_d img {
        width: 150px;
        height: 98px;
    }
    .banner_row {
        height: 98px;
    }
    .banner_image,
    .banner_filter {
        width: 150px;
        height: 98px;
    }
    .banner_text {
        width: calc(100% - 150px);
        height: 98px;
    }
    .banner_image_left {
        transform: translateX(-30px);
    }
    .banner_image_right {
        transform: translateX(80px);
    }
}

@media screen and (max-width: 440px) {
    .disappear4 {
        display: block;
    }
}

@media screen and (max-width: 400px) {
    .academics_link_a img,
    .academics_link_b img,
    .academics_link_c img,
    .academics_link_d img {
        width: 130px;
        height: 85px;
    }
    .banner_row {
        height: 85px;
    }
    .banner_image,
    .banner_filter {
        width: 130px;
        height: 85px;
    }
    .banner_text {
        width: calc(100% - 130px);
        height: 85px;
    }
    .banner_arrow_button {
        position: absolute;
        right: 10px;
        width: 22px;
        height: 22px;
        border-radius: 11px;
        background-color: #00448B;
    }
    .banner_arrow {
        position: absolute;
        width: 7px;
        height: 7px;
    }
    .banner_arrow2 {
        position: absolute;
        width: 7px;
        height: 7px;
        border-right: 1px solid #FFFFFF;
        border-bottom: 1px solid #FFFFFF;
    }
}

/* 20190919追加 */
#o_box_imp_notice {
    max-width: 1030px;
    width: 100%;
    margin: 80px auto 116px;
    padding: 0 20px;
}
.notice_container {
    width: 100%;
    border: 3px solid #cccccc;
    border-radius: 10px;
    padding: 5px;
}
.notice_index {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 17px 0;
    border-bottom: 1px solid #e0e0e0;
    color: #b3282b;
    font-size: 19px;
    font-weight: bold;
}
.notice_text {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 28px 1em 0;
    color: #7d7d7d;
    text-align: center;
    line-height: 186%;
    font-size: 13px;
}
.notice_text:last-of-type {
    padding-bottom: 28px;
}

@media screen and (max-width: 1000px) {
    #o_box_imp_notice {
        margin: 70px auto;
    }
}

@media screen and (max-width: 640px) {
    .notice_text {
        text-align: justify;
    }
}