body.fixedNav .sustainability-nav {
    position: absolute;
    justify-content: space-between;
    width: 100%;
}

body.fixedNav .sustainability-nav.fixed {
    position: fixed;
    top: 80px;
    z-index: 50;
    background-color: #e6000088;
    color: #fff;
}

.main .sustainability-nav {
    margin-top: -80px;
    background-color: #f1f1f1;
}

.main .sustainability-nav-anchor {
    display: flex;
    justify-content: space-evenly;
    align-items: top;
    margin: 0 auto;
    max-width: 1040px;
    padding: 1.0em 20px;
}

.main .sustainability-nav-anchor li {
    line-height: normal;
}

.main .sustainability-nav-anchor a::after {
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    content: "\f138";
    color: #a1a1a1;
    padding-left: 0.1em;
    opacity: 0;
}

.main .sustainability-nav-anchor a:hover::after {
    opacity: 1;
}

.main .sustainability-nav {
    margin-bottom: 40px;
}



.main .title {
    color: #000;
}

.main .sub-title {
    margin-top: 60px;
}

.main .item-title__sub {
    font-size: 1em;
    font-weight: bold;
    text-decoration: underline;
}

/* .main .section:nth-child(even) {background-color: #f1f1f1;} */
.main .section .text+.text {
    margin-top: 2em;
}

.main .main-visual {
    background-image: url(/sustainability/img/bg_header.jpg);
}

.main .materiality_arrow,
.main .materiality_idgs {
    display: flex;
    justify-content: center;
}

.main .materiality_idgs img {
    width: 100%;
    max-width: 1075px;
}

.main .section_material2,
.main .section_material4 {
    background-color: #ffffff;
}

.main .section_material1,
.main .section_material3,
.main .section_material5 {
    background-color: rgba(241, 241, 241, 0.5);
}

.main .section-flex {
    display: flex;
    width: 100%;

}

.main .section-flex>li:first-child {
    margin-right: 30px;
}

.main .section-flex .section-flex__txt {
    width: 50%;
}

.main .section-flex .section-flex__img {
    padding-top: 100px;
    width: 50%;
    flex-shrink: 0;
}

.main .section-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    /* 2列のグリッド */
    width: 100%;
}

.main .section-grid>li:first-child {
    margin-right: 30px;
}

.main .section-grid__img {
    padding-top: 30px;
}

.main .section-grid__img img {
    max-width: 600px;
    width: 100%;
    /* 画像を親要素にフィットさせる */
}

.main .section-flex .section-flex__img img {
    max-width: 600px;
}

.main .col-item__img {
    display: flex;
    align-items: center;
}

.main .sdgs-item {
    display: flex;
    margin-top: 20px;
    padding: 20px;
    background-color: #f1f1f1;
}

.main .sdgs-item__img img {
    max-width: 90px;
}

.main .sdgs-item__txt {
    flex: 1;
    margin-left: 20px;
}

.main .sdgs-item__mat {
    margin-left: 20px;
}

.main .sdgs-item__mat img {
    width: 90px;
}

.main .sdgs-item__mat a {
    text-decoration: none;
}

.main .sdgs-item__txt a {
    margin-right: 2em;
}

.main .indent-1 {
    padding-left: 1.0em;
    text-indent: -1.0em;
}

.main .indent-2 {
    padding-left: 2.0em;
    text-indent: -2.0em;
}

.main .indent-3 {
    padding-left: 3.0em;
    text-indent: -3.0em;
}

.main .sig {
    text-align: right;
}

.main .icon-pdf {
        vertical-align: text-bottom;
}

@media print,
screen and (min-width: 768px) {

    .main .title--materiality {
        margin-bottom: 15px;
    }

    .main .section_materiality {
        margin: 100px 0;
    }

    .main .materiality_arrow,
    .main .materiality_idgs {
        margin: 0;
    }

    .main .section_material1_2,
    .main .section_material2_3 {
        padding-top: 0;
    }

    .main .section_material1_2__inner,
    .main .section_material2_3__inner {
        padding-top: 75px;
        margin-top: -75px;
    }

    .main .title--icon {
        width: 100%;
        max-width: 128px;
        height: auto;
        margin-left: 10px;
    }

    .main .section+.section {
        margin-top: 0 !important;
    }

    .main .section_material1 {
        margin-top: 0 !important;
    }

    .main .section_material1,
    .main .section_material2,
    .main .section_material3,
    .main .section_material4,
    .main .section_material5 {
        padding-top: 150px;
        padding-bottom: 80px !important;
    }

    .main .section_material1 .section_inner,
    .main .section_material2 .section_inner,
    .main .section_material3 .section_inner,
    .main .section_material4 .section_inner,
    .main .section_material5 .section_inner {
        padding-top: 150px;
        margin-top: -225px;
    }

    .main .col-item {
        text-align: center;
        padding: 0 15px;
    }

    .main .col-item__img {
        flex-direction: column;
    }

    .main .col-item__img img {
        width: 100%;
        max-width: 128px;
    }
}

@media print,
screen and (max-width:767px) {

    body.fixedNav .sustainability-nav-anchor {
        flex-direction: initial;
        flex-wrap: wrap;
    }

    body.fixedNav .sustainability-nav-anchor li {
        width: 100%;
    }

    body.fixedNav .sustainability-nav.fixed {
        top: 40px;
    }

    .main .sustainability-nav {
        margin-top: -40px;
    }

    .main .sustainability-nav-anchor {
        display: block;
        align-items: center;
        flex-direction: column;
        max-width: 100%;
        box-sizing: border-box;
        padding: 12px 18px;
    }

    .main .sustainability-nav-anchor li {
        width: 100%;
        padding: 0.2em 10px;
    }

    .main .sustainability-nav-anchor li+li {
        border-top: 2px solid #e6e6e6;
        margin-left: 0;
    }

    .main .sustainability-nav-anchor li a {
        display: block;
        width: 100%;
        height: 100%;
    }

    .main .sustainability-nav-anchor li a::after {
        position: absolute;
        right: 6vw;
    }

    .main .title--materiality {
        margin-bottom: 10px;
    }

    .main .section_materiality {
        margin: 50px 0;
    }

    .main .section_material1_2,
    .main .section_material2_3 {
        padding-top: 0;
    }

    .main .section_material1_2__inner,
    .main .section_material2_3__inner {
        padding-top: 150px;
        margin-top: -150px;
    }

    .main .title .inner {
        text-align: left; /* テキストを左寄せ */
    }

    .main .title--icon {
        width: 100%;
        max-width: 64px;
        height: auto;
        margin-left: 5px;
    }

    .main .section+.section {
        margin-top: 0 !important;
    }

    .main .materiality_arrow,
    .main .materiality_idgs {
        margin: 15px 0;
    }

    .main .section_material1 {
        margin-top: 0 !important;
    }

    .main .section_material1,
    .main .section_material2,
    .main .section_material3,
    .main .section_material4,
    .main .section_material5 {
        padding-top: 180px;
        padding-bottom: 40px !important;
    }

    .main .section_material1 .section_inner,
    .main .section_material2 .section_inner,
    .main .section_material3 .section_inner,
    .main .section_material4 .section_inner,
    .main .section_material5 .section_inner {
        padding-top: 180px;
        margin-top: -300px;
    }

    .main .section-grid {
        grid-template-columns: 1fr;
        /* 1列のグリッドに変更 */
    }

    .main .section-grid>li:first-child {
        margin-right: 0;
    }

    .main .section-grid__txt {
        padding-right: 0;
        padding-top: 20px;
        order: 1;
    }

    .main .section-grid__img {
        padding: 10px 0;
        order: 2;
    }

    .main .section-grid__img img {
        max-width: 100%;
    }

    .main .col-item__img {
        margin: 0;
    }

    .main .col-item__img img {
        width: 100%;
        max-width: 64px;
        margin-right: 2%;
    }

    .main .sdgs-item {
        display: block;
        margin-bottom: 20px;
        padding: 20px;
        background-color: #f1f1f1;
    }

    .main .sdgs-item__img {
        display: none;
    }

    .main .sdgs-item__txt {
        margin-left: 0;
    }

    .main .sdgs-item__mat {
        margin-top: 20px;
        margin-left: 0;
        text-align: left;
    }

    .main .sdgs-item__mat img {
        max-width: 64px;
    }

}