@charset "UTF-8";
/* CSS Document */

.h2_basic {
    background-image: url("../img/bg_h2.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 100% auto;
}

@media screen and (max-width: 780px) {
    .h2_basic {
        background-size: auto 100%;
    }
}

.project-detail {
    background: #dcedff;
    width: 100%;
    padding: 3em;
    margin-bottom: 3em;
}
.project-detail .h3_title {
    font-size: 180%;
    font-weight: 700;
    margin-bottom: 0.7em;
    text-align: center;
    line-height: 1.4em;
}
.project-detail .outline {
    max-width: 1100px;
    border-top:1px solid #009fe8;
    border-bottom: 1px solid #009fe8;
    background: #FFF;
    position: relative;
    padding: 2.5em 1.5em 1.5em;
    margin: 0 auto;
}
.project-detail .outline:before {
    content: "プロジェクト概要";
    background: #009fe8;
    color: #FFF;
    padding: 3px 0.75em 6px;
    display: inline-block;
    position: absolute;
    top: 0;
    left: 0;
    font-family: 'Shippori Mincho', YuMincho, "Yu Mincho", "Hiragino Mincho ProN", "serif";
    line-height: 1;
    font-weight: 500;
}
.project-detail .outline ul {
    margin-top: 0.5em;
}
.project-detail .outline ul li:before {
    content: "◯"
}
.project-detail .outline ul li {
    text-indent: -1em;
    padding-left: 1em;
}

.image-list {
    display: flex;
    flex-wrap: wrap;
}
.image-list a {
    width: calc((100% - 90px) / 4);
    margin-bottom: 30px;
    margin-right: 30px;
    border: 1px solid #949494;
    background: #FFF;
    filter: drop-shadow(0px 0px 7px rgba(216,216,216,.85));
    display: block;
    text-decoration: none;
    color: #333;
}
.image-list a:hover {
    background: #009fe8;
    color: #FFF;
    border: 1px solid #009fe8;
}
.image-list a:nth-child(4n) {
    margin-right: 0;
}
.image-list .title {
    padding: 0.7em 1em;
    font-size: 85%;
    line-height: 1.4em;
    letter-spacing: 0;
    margin: 0;
}
.image-list img {
    display: block;
    width: 100%;
    height: 210px;
    object-fit: cover;
}

@media screen and (max-width: 880px) {
    .image-list a {
        width: calc((100% - 50px) / 3);
        margin-right: 25px;
    }
    .image-list a:nth-child(3n) {
        margin-right: 0;
    }
    .image-list a:nth-child(4n) {
        margin-right: auto;
    }
}

@media screen and (max-width: 480px) {
    .project-detail .h3_title {
        font-size: 150%;
        line-height: 1.3em;
    }
    .project-detail {
        padding: 2.2em 1.2em;
        margin-bottom: 0;
    }
    .image-list a {
        width: calc((100% - 15px) / 2);
        margin-right: 15px;
        margin-bottom: 20px;
    }
    .image-list a:nth-child(even) {
        margin-right: 0;
    }
    .image-list a:nth-child(3n) {
        margin-right: auto;
    }
    
    .image-list img {
        height: 150px;
    }
}