@charset "utf-8";

.sp {
    display: block;
}

.pc {
    display: none;
}


/* ---------------------------------------
common
--------------------------------------- */
*,
*:before,
*:after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "游ゴシック Medium", "游ゴシック体", "Yu Gothic Medium", YuGothic, "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;;
    font-size: 1.5rem;
}

a {
    text-decoration: none;
    color: #333;
}

a:hover {
    opacity: .6;
    color: #333;
    text-decoration: none;
}

a:visited {
    color: #333;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

img {
    max-width: 100%;
}


main {
    display: block;
}


.tac {
    text-align: center;
}

.tal {
    text-align: left;
}

.tar {
    text-align: right;
}

.bold {
    font-weight: bold;
}

.flex {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.uppercase {
    text-transform: uppercase;
}

.capitalize {
    text-transform: capitalize;
}


.main{
    padding: 15px;
}

.section+.section {
    margin: 13.038vw auto 0;
}

/* ---------------------------------------
fv
--------------------------------------- */

.main_copy_ttl_area {
    margin: 3.911vw 0;
}

.main_copy_ttl {
    font-size: 1.8rem;
    color: #7C8790;
    border-bottom: 2px solid currentColor;
}

.main_copy_txt {
    margin: 20px 0;
}


/* ---------------------------------------
Articles
--------------------------------------- */

.section_ja_ttl {
    font-size: 70%;
    margin-left: 1.8rem;
}

.article_table_contents {
    width: calc(100% / 3);
}

.article_table_contents_link{
    display: block;
}

.article_table_contents a:before {
    position: relative;
    display: block;
    content: "";
    width: 16.203vw;
    height: 16.203vw;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.action_link a:before {
    background-image: url(../img/article_btn01.png);
}

.promise_link a:before {
    background-image: url(../img/article_btn02.png);
}

.motivation_link a:before {
    background-image: url(../img/article_btn03.png);
}

.action_area {
    margin-top: 4.694vw;
}

.sub_section {
    margin-top: 10.667vw;
}


.sub_section_ttl_area {
    margin: 0 2.086vw;
}

.section_ttl {
    font-size: 1.8rem;
    margin: 0 0 10px;
    color: #7C8790;
    margin: 0 auto 2rem;
    border-bottom: 2px solid currentColor;
}


.sub_section_ttl {
    color: #7C8790;
    font-size: 1.8rem;
    border-bottom: 2px solid currentColor;
}


/* 記事リスト */
.article_list {
    flex-wrap: wrap;
    margin: 6.4vw 4.172vw 0;
}

.article_link{
    display: block;
}

.article_list li {
    width: calc(100% / 2 - 2.086vw / 2);
    margin: 0 2.086vw 2.086vw 0;
}

.article_list li:nth-of-type(even) {
    margin-right: 0;
}

.article_list img {
    width: 100%;
}


/* 画像上にテキストありパターン */
.article_havetxt_img_area {
    position: relative;
}

.article_havetxt_img {
    filter: opacity(90%) blur(2px);
}

.article_ttl,
.article_btn {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.article_ttl {
    top: 15%;
    background-color: rgba(255, 255, 255, .5);
    width: 90%;
    font-size: 2.8vw;
    padding: 2%;
}

.article_btn {
    bottom: 15%;
    border: 2px solid #fff;
    color: #fff;
    border-radius: 8px;
    width: 80%;
}

@media(min-width: 768px) {

    .sp {
        display: none;
    }

    .pc {
        display: block;
    }

    .main {
        max-width: 1000px;
        margin: 0 auto;
    }

    .section+.section {
        margin-top: 100px;
    }

    .main_copy_ttl_area {
        margin: 30px 0;
    }

    .main_copy_ttl {
        line-height: 1.5;
    }

    .sdgs_logo_area {
        margin-top: 48px;
        width: 60%;
    }

    .main_img_area {
        width: 100%;
        margin: 0 auto;
    }


    .article_table_contents_area {
        margin-top: 32px;
    }

    .sub_section {
        margin-top: 64px;
    }

    .article_table_contents a:before {
        width: 100px;
        height: 100px;
    }

    .action_area {
        margin-top: 64px;
    }

    .article_list {
        margin-top: 24px;
    }

    .article_list li {
        width: calc(100% / 3 - 24px * 2 / 3);
        margin-right: 24px;
    }

    .article_list li:nth-of-type(even) {
        margin: 0 24px 24px 0;
    }

    .article_list li:nth-of-type(3n) {
        margin-right: 0;
    }

    .article_ttl{
        font-size: 14px;
    }

}