@charset "utf-8";
.section-title__en {
    margin: 0 auto;
    display: block;
    height: 94px;
    margin-bottom: -20px;
}

.section-title__jp {
    width: -webkit-fit-content;
    width: -moz-fit-content;
    width: fit-content;
    margin: 0 auto;
}

.section-title__jp img {
    display: block;
    height: 37px;
    margin: 0 auto;
}

@media screen and (max-width:768px){
    .section-title__jp img {
        height: 22px;
    }

    .section-title__en {
        height: 58px;
    }
}

/*--------------------------topics----------------------------*/
.topics {
    position: relative;
    z-index: 11;
    padding: 25px 0 180px;
    margin-bottom: 60px;
}

.topics-background {
    background-image: -o-linear-gradient(320deg, #98f3ff40, #3be8ff40 25%, #74caff40 50%, #54e4f440 76%, #f3ffd959);
    background-image: linear-gradient(130deg, #98f3ff40, #3be8ff40 25%, #74caff40 50%, #54e4f440 76%, #f3ffd959);
    top: 0;
    left: 0;
    position: absolute;
    height: 420px;
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: end;
}

.topics-background__waveform {
    position: relative;
    width: 100%;
    aspect-ratio: 345/58;
}

.topics-background__waveform img {
    position: absolute;
    bottom: 0;
    -webkit-transform: translateY(50%);
        -ms-transform: translateY(50%);
            transform: translateY(50%);
    width: 100%;
    height: auto;
    display: block;
    -o-object-fit: cover;
       object-fit: cover;
    left: 0;
}

.topics-waveform2 {
    position: absolute;
    width: 100%;
    bottom: 22%;
    left: 0;
    display: block;
}

.topics-inner {
    margin: 0 auto;
    width: 90%;
    max-width: 980px;
    position: relative;
    z-index: 9;
}

.breadcrumbs {
    margin: 0 0 20px;
    font-size: 12px;
    color: #516984;
}

.breadcrumbs-wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
}

.breadcrumbs-contents {
    position: relative;
    font-weight: bold;
}

.breadcrumbs-contents a {
    -webkit-transition: all 0.2s;
    -o-transition: all 0.2s;
    transition: all 0.2s;
}

.breadcrumbs-contents a:hover {
    color: #2999DD;
}

.breadcrumbs-contents:not(:first-of-type) {
    padding-left: 15px;
}

.breadcrumbs-contents:not(:last-of-type) {
    margin-right: 10px;
}

.breadcrumbs-contents:not(:first-of-type)::before {
    content: ">";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    margin: auto;
}

.topics-content {
    background-image: -o-radial-gradient(#ffffffd4, #ffffff);
    background-image: radial-gradient(#ffffffd4, #ffffff);
    padding: 80px 100px;
}

.topics-content__top {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    margin-bottom: 30px;
}

.topics-date {
    font-size: 20px;
    margin-right: 12px;
}

.topics-category {
    display: block;
    padding: 0 16px;
    background-color: #DEF3FF;
    color: #2999DD;
    font-size: 14px;
    font-weight: bold;
    -webkit-transition: all 0.2s;
    -o-transition: all 0.2s;
    transition: all 0.2s;
}

.topics-category:hover {
    background-color: #2999DD;
    color: #fff;
}

.topics-title {
    font-weight: bold;
    font-size: 30px;
    margin-bottom: 30px;
}

.topics-image {
    display: block;
    width: 100%;
    height: auto;
}

.topics-article {
    margin-top: 40px;
}


.topics-article h1 {
    margin-top: 40px;
    font-weight: bold;
    font-size: 23px;
    border-bottom: solid #839493 1px;
    padding-bottom: 10px;
}

.topics-article h2 {
    margin-top: 15px;
    font-weight: bold;
    font-size: 18px;
}

.topics-article h3 {
    font-weight: bold;
    font-size: 18px;
    margin-top: 15px;
}

.topics-article h4 {
    font-weight: bold;
    font-size: 18px;
    margin-top: 15px;
}

.topics-article h5 {
    font-size: 18px;
    font-weight: bold;
    margin-top: 15px;
}

.topics-article h6 {
    font-size: 18px;
    font-weight: bold;
    margin-top: 15px;
}

.topics-article ul {
    margin: 20px 0 20px 20px;
}

.topics-article li {
    list-style: disc;
}

.topics-article p {
    margin: 15px 0;
    line-height: 1.7;
}

.topics-article b {
    font-weight: bold;
}

.topics-article a {
    word-break: break-all;
    margin: 15px 0;
    color: #2999DD;
    text-decoration: underline;
}

.topics-article img {
    height: auto;
}

.topics-article table {
    width: 100%;
}

.topics-article td:first-of-type {
    background-color: #DEF3FF;
}

.topics-article td {
    border: #839493 1px solid;
    padding: 8px 16px;
}

.topics-btn {
    padding: 16px;
    display: block;
    margin: 0 auto;
    margin-top: 36px;
    max-width: 210px;
    color: #fff;
    text-align: center;
    position: relative;
    background-image: -o-linear-gradient(300deg, #5bb6ee, #57bfca);
    background-image: linear-gradient(150deg, #5bb6ee, #57bfca);
    -webkit-transition: all 0.2s;
    -o-transition: all 0.2s;
    transition: all 0.2s;
}

.topics-btn:hover {
    opacity: 0.8;
}

.topics-btn img {
    width: 15px;
    position: absolute;
    top: 0;
    bottom: 0;
    right: 40px;
    margin: auto;
}

.topics-btn__wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    margin: 40px 0 10px;
}

.topics-btn__prev, .topics-btn__next {
    background-image: -o-linear-gradient(330deg, #5bb6ee, #57bfca);
    background-image: linear-gradient(120deg, #5bb6ee, #57bfca);
    color: #fff;
    font-size: 15px;
    padding: 15px 25px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    border-radius: 50px;
    -webkit-transition: all 0.2s;
    -o-transition: all 0.2s;
    transition: all 0.2s;
}

.topics-btn__prev:hover, .topics-btn__next:hover {
    opacity: 0.8;
}

.topics-btn__prev img, .topics-btn__next img {
    display: block;
    width: 12px;
}

.topics-btn__prev img {
    -webkit-transform: rotate(-180deg);
        -ms-transform: rotate(-180deg);
            transform: rotate(-180deg);
    margin-right: 8px;
}

.topics-btn__next img {
    margin-left: 8px;
}

.topics-backBtn {
    display: block;
    width: 100%;
    max-width: 242px;
    margin: 0 auto;
    background-image: -o-linear-gradient(330deg, #5bb6ee, #57bfca);
    background-image: linear-gradient(120deg, #5bb6ee, #57bfca);
    color: #fff;
    position: relative;
    font-size: 15px;
    text-align: center;
    padding: 16px;
    -webkit-transition: all 0.2s;
    -o-transition: all 0.2s;
    transition: all 0.2s;
}

.topics-backBtn:hover {
    opacity: 0.8;
}

.topics-backBtn__arrow {
    position: absolute;
    right: 16px;
    top: 0;
    bottom: 0;
    margin: auto;
}

@media screen and (max-width:980px){

    .topics-content {
        padding: 80px 40px;
    }
}

@media screen and (max-width:768px){
    .topics {
        padding: 30px 0 56px;
        margin-bottom: 280px;
    }

    .topics-background {
        height: 180px;
    }

    .topics-date {
        font-size: 14px;
    }

    .topics-category {
        font-size: 12px;
    }

    .topics-waveform2 {
        display: none;
    }

    .breadcrumbs {
        display: none;
    }

    .topics-content {
        padding: 30px 20px 50px;
    }

    .topics-content__top {
        margin-bottom: 18px;
    }

    .topics-title {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .topics-article {
        margin-top: 20px;
    }

    .topics-article h1 {
        font-size: 18px;
    }

    .topics-article h2 {
        font-size: 16px;
    }

    .topics-article h3 {
        font-size: 16px;
    }

    .topics-article h4 {
        font-size: 16px;
    }

    .topics-article h5 {
        font-size: 16px;
    }

    .topics-article h6 {
        font-size: 16px;
    }

    .topics-btn__wrapper {
        margin: 30px 0 40px;
    }
}