ul.backnumber {
    max-width: 820px;
    margin: 0 auto;
    padding: 0px 0 0 0;
}

ul.backnumber div {
    margin: 0 0 14.5px;
    display: flex;
    align-items: flex-end;
}

ul.backnumber li {
    position: relative;
    border-bottom: solid 1px #828282;
    margin: 0 0 45px 0;
    padding: 0 0 25px 0;
}

ul.backnumber .text {
    margin: 10px 10px 0;
}

ul.backnumber a {
    display: block;
}

.ttl_area {
    height: 320px;
    /* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#e04804+0,e3ae1f+100 */
    background: #e04804;
    /* Old browsers */
    background: -moz-linear-gradient(left, #e04804 0%, #e3ae1f 100%);
    /* FF3.6-15 */
    background: -webkit-linear-gradient(left, #e04804 0%, #e3ae1f 100%);
    /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(to right, #e04804 0%, #e3ae1f 100%);
    /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#e04804', endColorstr='#e3ae1f', GradientType=1);
    /* IE6-9 */
    position: relative;
    margin: 0 calc(50% - 50vw) 80px;
    width: 100vw;
    display: flex;
}

.ttl_area::before {
    content: "";
    display: block;
    background: #5c270f;
    width: 30px;
    height: 100%;
}

.ttl_area::after {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background: url(../parts/ttl_bg.png) no-repeat;
    background-size: cover;
    position: absolute;
    left: 0;
    top: 0;
}

.ttl_area h1 {
    max-width: 1440px;
    margin: 0 auto;
    width: 100%;
    color: #fff;
    position: relative;
    z-index: 1;
}

.ttl_area h1::after {
    content: "";
    display: block;
    background: url(../parts/info_ttl.jpg) no-repeat;
    background-size: cover;
    background-position: center;
    background-position: center;
    width: 100%;
    max-width: 880px;
    width: 50vw;
    height: 100%;
    position: absolute;
    top: 0;
    right: 100px;
    left: auto;
}

ul.categories {
    display: flex;
    justify-content: center;
    margin: 0 0 75px;
}

ul.categories li {
    min-width: 120px;
    border-bottom: 4px solid #EDCDBF;
    text-align: center;
    margin: 0 5px;
    color: #EDCDBF;
    font-size: 18px;
    letter-spacing: 0.9px;
}

ul.categories li.active {
    border-color: #B54C1E;
    color: #000;
}

ul.categories a {
    display: block;
    white-space: nowrap;
    padding: 0 0 15px;
}

.new_info_title {
    font-size: 16px;
    letter-spacing: 0.6px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin: 0 50px 0 0;
}

.new_info_title::after {
    position: relative;
    top: -3px;
    display: inline-block;
    content: url("/parts/link_arrow.svg");
    margin: 0 0 0 0px;
}

.new_info_date {
    font-size: 16px;
    letter-spacing: 0.8px;
}

.label {
    padding: 2px 9px;
    text-align: center;
    font-size: 12px;
    letter-spacing: 1.2px;
    margin: 0 20px 0 0px;
    border: 1px solid #B54C;
    color: #B54C1E;
}

.backnumber_detail_p .ttl_area {
    height: 150px;
}

.backnumber_detail_p h1.page_title {
    padding-top: 50px;
}

.backnumber_detail_p h1.page_title::after {
    content: none;
}

.bn_box {
    max-width: 780px;
    margin: 0 auto;
}

.bn_box .label {
    font-size: 14px;
}

.bn_box .new_info_date {
    font-size: 18px;
    letter-spacing: 0.9px;
}

.bn_box h2 {
    margin: 17.5px 0 0;
}

.bn_box .Contents_Block {
    margin: 70px 0;
}

.bn_box .ttl_sub h3 {
    margin: 0 0 30px;
}

.horizontal div.image {
    margin: 0 0 60px;
}

.horizontal div.image picture {
    margin: 0 0 20px;
}

.ImgTopLeft {
    margin-right: 0;
}

.ImgTopLeft+.text {
    max-width: none;
    margin: 0;
}

.back_area {
    text-align: center;
}

a.return {
    display: inline-block;
    margin: 0 auto;
    letter-spacing: -0.3px;
}

@media screen and (max-width: 896px) {
    .ttl_area {
        height: 300px;
        flex-direction: column;
        margin-bottom: 50px;
        background: linear-gradient(to bottom, #e04804 0%, #e3ae1f 100%);
    }

    .ttl_area::before {
        width: 100%;
        height: 15px;
    }

    .ttl_area h1.page_title {
        padding: 30px;
        font-size: 18px;
        letter-spacing: 1.8px;
        height: 100%;
        overflow: hidden;
        padding: 20px 30px 0;
        margin: 0 0 20px;
    }

    .ttl_area h1.page_title::after {
        position: relative;
        right: auto;
        left: 0;
        max-width: none;
        margin: 20px calc(50% - 50vw);
        width: 100vw;
    }

    .backnumber_detail_p .ttl_area {
        background: #e04804;
    }

    .backnumber_detail_p .ttl_area h1.page_title {
        margin: 0;
    }

    .backnumber_detail_p .ttl_area h1.page_title::after {
        content: "";
        display: block;
        position: absolute;
        bottom: 0;
        left: 0;
        top: auto;
        background: #e3ae1f;
        width: 100%;
        height: 22px;
        margin: 0;
    }

    ul.categories {
        align-items: flex-start;
        margin: 0 0 40px;
    }

    ul.categories li {
        font-size: 12px;
        letter-spacing: 0.6px;
        min-width: 60px;
    }

    ul.categories a {
        padding: 0 0 6px;
    }

    .label {
        font-size: 11px;
        letter-spacing: 1.1px;
        margin-right: 15px;
    }

    .new_info_title {
        margin-right: 20px;
    }

    .new_info_date {
        font-size: 15px;
        letter-spacing: 0.75px;
    }

    ul.backnumber {
        margin: 0 0 50px;
    }

    ul.backnumber div {
        margin: 0 0 12px;
    }

    ul.backnumber li {
        padding: 0 0 15px;
        margin: 0 0 30px;
    }

    .bn_box .label {
        font-size: 12px;
        letter-spacing: 1.2px;
        padding: 2px 9px 3px;
    }

    .bn_box .new_info_date {
        font-size: 15px;
        letter-spacing: 0.75px;
    }

    .bn_box h2 {
        margin: 12px 0 0;
        font-size: 15px;
        letter-spacing: 0.75px;
    }

    .bn_box .Contents_Block {
        margin-top: 40px;
        margin-bottom: 40px;
    }

    .bn_box .Contents_Block .horizontal {
        margin: 0 0 30px;
    }

    .bn_box .Contents_Block .horizontal div.image {
        margin: 0 0 30px;
    }

    .bn_box .ttl_sub h3 {
        font-size: 15px;
        padding-left: 10px;
        margin: 0 0 20px;
    }
}