.is-sp {
    display: none;
}
.content-wrapper {
    max-width: 1080px;
    width: 1080px;
    margin: auto;
}
.header-content {
    background-image: url(../img/alumni/kv.jpeg);
    background-size: cover;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 100%;
    height: 100%;
    text-align: center;
    overflow: hidden;
    z-index: -1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.header-content h1 {
    display: block;
    width: 700px;
    margin: auto;
    font-family: "a-otf-midashi-go-mb31-pr6n", sans-serif;
}
.header-content img {
    width: 100%;
}
.main-content {
    width: 100%;
    margin: 0;
    margin-top: 100vh;
    background-color: #FFF;
}
.description-content {
    background-color: #000;
    color: #fff;
    position: relative;
    text-align: center;
    padding: 5% 0;
    max-width: 100%;
    overflow: hidden;
}
.description-content h2::selection {
    color: #383838;
    background: rgba(0,0,0,0.1);
    text-shadow: none;
}
.description-content h2 {
    font-size: 40px;
    margin-bottom: 32px;
    line-height: 1.4;
    font-weight: bold;
    font-family: "a-otf-midashi-go-mb31-pr6n", sans-serif;
}
.description {
    font-size: 14px;
    margin-bottom: 8%;
    vertical-align: baseline;
    line-height: 1.8;
}
.description::selection {
    color: #383838;
    background: rgba(0,0,0,0.1);
    text-shadow: none;
}
.description-content img {
    width: 100%;
}
.annotation {
    text-align: center;
    margin-top: 56px;
    font-size: 24px;
}
.list-content:last-of-type {
    padding-bottom: 40px;
}
.list-title {
    visibility: visible;
    position: relative;
    line-height: 1.6;
    font-weight: bold;
    margin: 30px 0 20px;
    clear: both;
    font-family: "a-otf-midashi-go-mb31-pr6n", sans-serif;
}
.list-title span {
    position: relative;
    padding: 0 10px;
    margin: auto 30px;
    font-size: 26px;
    background-color: #fff;
}
.list-title::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    margin-top: -2px;
    background-color: rgba(68, 68,68, 0.4);
    box-shadow: 0 3px 0 rgb(68 68 68 / 40%);
}
.content-lists {
    display: flex;
    flex-wrap: wrap;
}
.content-lists .content {
    margin-bottom: 16px;
}
.content-lists a:hover img {
    transform: scale(1.1);
    transition-duration: 0.3s;
}
.content-lists li:hover a .content-title {
    color: #00A0E6 !important;
}
.content-lists li:hover a .content-description {
    color: #00A0E6 !important;
}
.content-lists .col4 {
    width: calc(25% - 12px);
    margin-right: 16px;
}
.content-lists .col4:nth-of-type(4n) {
    margin-right: 0;
}
.content-lists .col5 {
    width: calc(20% - 12.8px);
    margin-right: 16px;
}
.content-lists .col5:nth-of-type(5n) {
    margin-right: 0;
}
.content-lists .col6 {
    width: calc(16.66% - 13.33px);
    margin-right: 16px;
}
.content-lists .col6:nth-of-type(6n) {
    margin-right: 0;
}
.content-img {
    width: 100%;
    height: 194px;
    margin-bottom: 10px;
    overflow: hidden;
}
.content-img.-min {
    height: 166px;
}
.content-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition-duration: 0.3s;
}
.content-title {
    text-align: center;
    margin: 0 auto 15px auto;
    color: #333333;
    font-size: 18px;
}
.content-title.-bold {
    font-weight: bold;
}
.content-description {
    text-align: center;
    color: #888888;
    font-size: 12px;
    line-height: 1.6;
}
@media screen and (max-width: 767px) {
    .is-sp {
        display: block;
    }
    .is-pc {
        display: none;
    }
    .content-wrapper {
        max-width: 100%;
        width: 100%;
        margin: auto;
        padding: 0 2.667vw;
        box-sizing: border-box;
    }    
    .header-content {
        margin-top: 44px;
        background-image: none;
        position: relative;
        height: initial;
        min-height: initial;
        overflow: initial;
        display: block;
        width: 100%;
    }
    .main-content {
        margin-top: 0;
    }
    .header-content h1 {
        width: 100%;
    }
    .header-content img {
        width: 100%;
        height: auto;
    }
    .description {
        font-size: 3.733vw;
    }
    .description-content {
        padding: 10.667vw 0;
    }
    .description-content h2 {
        font-size: 6.933vw;
    }   
    .description-content img {
        height: 26.667vw;
    }
    .annotation {
        font-size: 3.733vw;
        margin-top: 8.533vw;
    }
    .list-title {
        margin: 8vw 0 5.333vw;
    }
    .list-title:before {
        height: 0.267vw;
        margin-top: -0.533vw;
    }
    .list-title span {
        font-weight: bold;
        padding: 0 2.667vw;
        margin: auto 4.27vw;
        font-size: 6.667vw;
    }
    .content-lists .content {
        width: 50%;
        margin: 0 0 6.4vw;
    }
    .content-img {
        width: 44.267vw;
        height: 44.267vw;
        margin: auto;
    }
    .content-title.-bold {
        font-weight: normal;
    }
    .content-title {
        font-size: 4.267vw;
        line-height: 2;
        margin: 2.133vw 0;
    }
    .content-description {
        font-size: 3.2vw;
    }
}