.mv {
    width: 100%;
    position: relative;
}

.mv .slider {
    width: 100%;
    overflow: hidden;
}

.mv .slider .item {
    width: 100%;
    height: 100%;
}

.mv .slider .item img {
    width: 100%;
}

@media screen and (max-width: 767px) {
    .mv {
        height: 400px;
    }
    .mv .slider {
        height: 400px;
    }
    .mv .slider .slick-list,
    .mv .slider .slick-track {
        height: 100%;
    }
    .mv .slider .item img {
        height: 100%;
        object-fit: cover;
        object-position: 60%;
    }
}

.mv .content {
    position: absolute;
    z-index: 1;
    top: 50%;
    left: 11rem;
    transform: translateY(-50%);
}

.mv .content h2,
.mv .content p {
    font-family: "YuminDemi", serif;
    color: #626262;
    transition: all 0.5s ease;
}

.mv .content h2 {
    font-size: 4.8rem;
    line-height: 1.4;
    letter-spacing: 0.2rem;
}

.mv .content h2 .t-en {
    display: inline-block;
    padding: 0 0.5rem;
}

.mv .content h2 .lead {
    display: block;
    padding: 0 0.5rem;
}

@media screen and (-ms-high-contrast: active),
(-ms-high-contrast: none) {
    .mv .content h2 .lead {
        padding-top: 12px;
    }
}

.mv .content p {
    display: inline-block;
    margin-top: 6rem;
    font-size: 2rem;
    padding: 0 0.5rem;
}

.mv .content.active h2,
.mv .content.active p {
    color: #fff;
    text-shadow: 1px 1px 10px black, 1px 1px 10px black;
}

.mv .content.best-active h2 .t-en,
.mv .content.best-active h2 .lead {
    background-color: rgba(241, 247, 249, 0.85);
}

.mv .content.best-active p {
    background-color: #f1f7f9;
}

@media screen and (max-width: 768px) {
    .mv .content {
        left: 6.25vw;
    }
    .mv .content h2 {
        font-size: 3.5rem;
    }
    .mv .content p {
        font-size: 1.6rem;
    }
}

@media screen and (max-width: 767px) {
    .mv .content h2 {
        font-size: 2rem;
    }
    .mv .content p {
        font-size: 1.4rem;
        margin-top: 2rem;
    }
}

.article {
    width: 100%;
    position: relative;
}

.article-date,
.article-desc {
    display: block;
    color: #111111;
    font-weight: 500;
}

.article-desc {
    margin-top: 3rem;
}

@media only screen and (max-width: 768px) {
    .article-desc {
        margin-top: 1rem;
    }
}

.fk-sym {
    display: inline-block;
    max-width: 9px;
}

.news {
    background-color: #f0f5f4;
}

.news-title {
    color: #18384a;
    font-size: 3rem;
    font-family: "YuminDemi", serif;
    font-weight: 500;
}

@media screen and (max-width: 1024px) {
    .news-title {
        width: 100%;
    }
}

.news-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 7.5rem;
    padding-bottom: 6rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

@media screen and (max-width: 1024px) {
    .news-container {
        padding: 4rem 2rem;
    }
}

.news .article {
    max-width: 70%;
    transition: all 0.3s ease;
}

@media screen and (-ms-high-contrast: active),
(-ms-high-contrast: none) {
    .news .article {
        padding-top: 4px;
    }
}

.news .article a {
    display: block;
    color: #111111;
}

.news .article:hover {
    opacity: 0.75;
}

@media screen and (max-width: 1024px) {
    .news .article {
        margin-top: 3rem;
    }
}

@media screen and (max-width: 767px) {
    .news .article {
        max-width: 100%;
    }
}

.news .article-more {
    width: 100%;
    max-width: 14rem;
    height: 4.4rem;
    border: 1px solid #b3cbcc;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: auto;
    color: #18384a;
    transition: all 0.3s ease;
}

@media screen and (-ms-high-contrast: active),
(-ms-high-contrast: none) {
    .news .article-more {
        padding-top: 4px;
    }
}

.news .article-more:hover {
    color: rgba(24, 56, 74, 0.5);
}

.sp-only {
    display: none;
}

@media screen and (max-width: 767px) {
    .news .article-more {
        margin-top: 3rem;
        margin-left: auto;
        margin-right: auto;
    }
    .sp-only {
        display: inline-block;
    }
}

.recommended {
    width: 100%;
}

.recommended .title {
    color: #18384a;
    font-family: "YuminDemi", serif;
    font-size: 3.6rem;
    text-align: center;
    font-weight: 500;
    margin-top: 8.5rem;
    line-height: 1.4;
}

.recommended .flex {
    width: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 4.5rem;
    margin-bottom: 9rem;
}

.recommended .flex .item {
    width: 100%;
    max-width: calc(100% / 5);
    text-align: center;
    transition: all 0.3s ease;
}

.recommended .flex .item:hover {
    opacity: 0.75;
}

.recommended .flex .item figure img {
    max-width: 12rem;
    margin: 0 auto;
    border-radius: 50%;
    box-shadow: 0 0 12px 0px rgba(0, 0, 0, 0.5);
}

.recommended .flex .item figure figcaption {
    color: #18384a;
    font-weight: 700;
    font-size: 2.4rem;
    margin-top: 2rem;
}

@media screen and (max-width: 768px) {
    .recommended .title {
        font-size: 2.5rem;
    }
    .recommended .flex .item {
        max-width: 50%;
        margin-bottom: 3rem;
    }
    .recommended .flex .item figure figcaption {
        font-size: 1.6rem;
    }
}

.video-embed {
    padding: 6rem 0;
    background-color: #e6edeb;
}

.video-embed .video {
    width: 100%;
    max-width: 64rem;
    margin: 0 auto;
    overflow-x: scroll;
}

.video-embed .video iframe {
    max-width: 100%;
}

.video-embed h4 {
	text-align:center;
	vertical-align:bottom;
	margin-bottom:2rem;
}

.video-embed h4 img { display:inline; padding-right:5px; }

@media screen and (max-width: 767px) {
    .video-embed {
        padding: 0 2rem;
	}
	.video-embed h4 { margin-bottom:0; padding-top:2rem; }
	.video-embed h4 img { display:block; margin:0 auto 0.5rem; padding-right:0; }
}

.feature .grade {
    width: 100%;
    margin-top: 8rem;
}

.feature .feature-title {
    text-align: center;
}

.feature .feature-title img {
    max-width: 12rem;
    margin: 0 auto;
    border-radius: 50%;
    box-shadow: 0 0 12px 0px rgba(0, 0, 0, 0.5);
}

.feature .feature-title figcaption>h4 {
    margin-top: 1.2rem;
    font-size: 2.4rem;
    color: #18384a;
    font-weight: 700;
    display: block;
}

@media screen and (max-width: 767px) {
    .feature .feature-title figcaption>h4 {
        font-size: 1.8rem;
    }
}

.feature .tab {
    margin-top: 4rem;
}

.tab {
    display: flex;
    width: 100%;
    position: relative;
    z-index: 2;
}

.tab-item {
    width: 100%;
    max-width: 16rem;
    height: 5.5rem;
    background-color: #ebebeb;
    display: flex;
    align-items: center;
    justify-content: center;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    color: #333333;
    font-size: 1.8rem;
    font-weight: 500;
    position: relative;
    margin-right: 0.3rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

@media screen and (-ms-high-contrast: active),
(-ms-high-contrast: none) {
    .tab-item {
        padding-top: 8px;
    }
}

@media screen and (max-width: 768px) {
    .tab-item {
        font-size: 1.4rem;
    }
}

.tab-item:hover {
    color: rgba(24, 56, 74, 0.5);
}

.tab-item.active {
    background-color: #fff;
    border: 1px solid #666666;
    border-bottom: 0;
}

.tab-item.active::after {
    content: "";
    width: 100%;
    position: absolute;
    border-bottom: 1px solid #fff;
    left: 0;
    bottom: -1px;
}

.download-button {
    width: 100%;
    max-width: 18rem;
    height: 4.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #fff;
    background-color: #d30712;
    border: 2px solid #d30712;
    border-radius: 5px;
    transition: all 0.3s ease;
}

@media screen and (-ms-high-contrast: active),
(-ms-high-contrast: none) {
    .download-button {
        padding-top: 6px;
    }
}

.download-button:hover {
    background-color: #fff;
    color: #d30712;
}

.tab-content {
    width: 100%;
    text-align: center;
    position: relative;
    padding-top: 3.5rem;
    padding-bottom: 3rem;
    border: 1px solid #666666;
    z-index: 1;
}

.tab-content .tab-index {
    display: none;
}

.tab-content .tab-index.active {
    display: block;
}

.tab-content .title {
    display: block;
    color: #d30712;
    font-size: 2.4rem;
    font-weight: 500;
    font-family: "YuminDemi", serif;
}

.tab-content .desc {
    color: #111111;
    font-size: 1.8rem;
    font-weight: 500;
    margin-top: 2rem;
}

.tab-content .download-button {
    margin: 0 auto;
    margin-top: 2rem;
}

@media screen and (max-width: 768px) {
    .tab-content {
        padding: 3rem 2rem;
    }
}

@media screen and (max-width: 767px) {
    .tab-content .title {
        font-size: 1.7rem;
    }
    .tab-content .desc {
        font-size: 1.4rem;
    }
}

.contact {
    width: 100%;
    background-image: radial-gradient(circle, #f4f9f8 0%, #d7e4e0 57%, #d7e4e0 100%);
    background-repeat: no-repeat;
    padding: 5rem 0;
    margin-top: 10rem;
}

.contact .title {
    font-size: 3.6rem;
    color: #18384a;
    font-weight: 500;
    font-family: "YuminDemi", serif;
    text-align: center;
}

@media screen and (max-width: 768px) {
    .contact .title {
        font-size: 2.5rem;
    }
}

.contact .double-button {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 4rem;
}

.contact .double-button .download-button:first-child {
    margin-right: 8rem;
}

@media screen and (max-width: 767px) {
    .contact .double-button .download-button {
        max-width: 100%;
        margin-bottom: 3rem;
    }
    .contact .double-button .download-button:first-child {
        margin-right: 0;
    }
}

.about {
    width: 100%;
}

.about .flex {
    width: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin: 6rem 0;
}

.about .flex .item {
    width: 100%;
    max-width: 45%;
}

.about .flex .item .title {
    color: #111111;
    font-weight: 700;
    font-size: 1.8rem;
    display: block;
    margin-top: 2rem;
}

.about .flex .item .desc {
    color: #111111;
    font-weight: 500;
    margin: 2rem 0;
    display: inline-block;
}

@media screen and (max-width: 767px) {
    .about .flex .item {
        max-width: 100%;
        margin-bottom: 3rem;
    }
}

.about-logo * {
    transition: all 0.3s ease;
}

.about-logo:hover * {
    opacity: 0.75;
}

.about-logo figure {
    width: 100%;
    max-width: 24rem;
    height: 7rem;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #ccc;
}

.about-logo img {
	width: auto;
    max-width: 100%;
}

.about .explain {
    color: #d30712;
    font-size: 1.6rem;
    font-weight: 700;
    margin-left: 4px;
    margin-top: 0.5rem;
}

/* 202111追加 */

.sangaku .container {
	text-align:center;
	padding: 6rem 0;
}

.sangaku .title {
    color: #18384a;
    font-family: "YuminDemi", serif;
    font-size: 1.8rem;
    text-align: center;
    font-weight: 500;
    line-height: 1.6;
	margin-bottom:1.5rem;
}

.sangaku .title span {
    font-size: 3.4rem;
}

.sangaku p {
	margin:0.3em 0;
}

.sangaku .oubo-button {
    width: 100%;
    max-width: 30rem;
    display: inline-block;
    font-weight: 700;
    color: #fff;
    background-color: #d30712;
    border: 2px solid #d30712;
    border-radius: 5px;
    transition: all 0.3s ease;
	padding:8px 0;
}

@media screen and (-ms-high-contrast: active),
(-ms-high-contrast: none) {
    .sangaku .oubo-button {
        padding-top: 6px;
    }
}

.sangaku .oubo-button:hover {
    background-color: #fff;
    color: #d30712;
}