html {
    scroll-behavior: smooth;
}

header .logo img {
    width: 172px;
    height: 51px;
    flex-shrink: 0;
    display: block;
    margin: 75px auto;
}

@keyframes showTextFromBottom {
    0% {
        transform: translateY(100%);
    }

    100% {
        transform: translateY(0px);
    }
}

.anime-up.displayed span {
    animation: showText 1s backwards;
    display: inline-block;
}

.anime-up.displayed>span {
    overflow: hidden;
}

.anime-up.displayed>span>span {
    animation: showTextFromBottom 0.5s backwards;
}

.category {
    display: flex;
    justify-content: center;
    align-items: center;
    color: #6C757D;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 500;
    line-height: 160%;
    /* 22.4px */
    margin: 50px 0;
}

.category img {
    width: 12px;
    height: 18px;
    flex-shrink: 0;
    margin-right: 16px;
}

.content {
    width: 800px;
    margin: 0 auto;
}

.date {
    color: #1A1A1A;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 12px;
    font-style: normal;
    font-weight: 700;
    line-height: 160%;
    /* 19.2px */
    margin-bottom: 7px;
}

#main-content h1 {
    color: #1A1A1A;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 24px;
    font-style: normal;
    font-weight: 700;
    line-height: 160%;
    /* 38.4px */
    margin-bottom: 16px;
}

#main-content .industry {
    color: #000;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 13px;
    font-style: normal;
    font-weight: 500;
    line-height: 160%;
}

#main-content .industry span {
    font-weight: 700;
}

#main-content .industry ul {
    display: flex;
}

#main-content .industry ul li:nth-child(1) {
    margin-right: 16px;
}

.first-view .summary {
    margin: 16px 0;
}

.first-view .summary p {
    color: #1A1A1A;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 15px;
    font-style: normal;
    font-weight: 400;
    line-height: 180%;
    /* 21.6px */
    padding: 8px 0;
}

.first-view .summary span {
    color: #1A1A1A;
    text-align: right;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 11px;
    font-style: normal;
    font-weight: 400;
    line-height: 280%;
    /* 19.8px */
    text-align: right;
    display: block;
}

.first-view .image-view span {
    color: #6C757D;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 11px;
    font-style: normal;
    font-weight: 400;
    line-height: 180%;
    /* 19.8px */
    margin: 8px 0;
    display: block;
}

.section-bg {
    background: #FAFAFA;
    padding: 41px 0 38px 0;
    margin: 45px 0;
}

.section-bg h2 {
    color: #1A1A1A;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 180%;
    /* 36px */
    display: flex;
    margin-bottom: 10px;
}

.section-bg h2::before {
    content: "　";
    background: #E06741;
    width: 4px;
    height: 36px;
    flex-shrink: 0;
    display: block;
    margin-right: 16px;
}

.summary-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    /* 左:固定幅, 右:可変 */
    gap: 12px 20px;
    /* 行と列の余白 */
    align-items: stretch;
    /* 各セルの高さを揃える */
}

.summary-label {
    background: #f2f2f2;
    text-align: center;
    display: flex;
    align-items: center;
    /* 縦中央 */
    justify-content: center;
    /* 横中央 */
    padding: 1rem;
    font-weight: bold;
    color: #1A1A1A;
    text-align: center;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 700;
    line-height: 180%;
    /* 25.2px */
}

.summary-content {
    color: #1A1A1A;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 13px;
    font-style: normal;
    font-weight: 700;
    line-height: 180%;
    /* 23.4px */
}

.case-comparison {
    padding-top: 35px;
}

.case-comparison .row {
    display: flex;
    justify-content: space-between;
}

.case-comparison .row .befor-box {
    width: 380px;
    flex-shrink: 0;
    border: 1px solid #727171;
    background: #FFF;
}

.case-comparison .row .befor-box h3 {
    color: #FFF;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 40px;
    background: #727171;
    width: 380px;
    height: 40px;
    flex-shrink: 0;
    text-align: center;
}

.case-comparison .row ul {
    color: #1A1A1A;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 700;
    line-height: 180%;
    /* 25.2px */
    padding: 16px 26px;
}

.case-comparison .row .after-box {
    width: 380px;
    flex-shrink: 0;
    border: 1px solid #E06741;
    background: #FFF;
}

.case-comparison .row .after-box h3 {
    color: #FFF;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 40px;
    background: #E06741;
    width: 380px;
    height: 40px;
    flex-shrink: 0;
    text-align: center;
}

.table-of-contents {
    width: 800px;
    flex-shrink: 0;
    background-color: #FAFAFA;
    margin: 0 auto;
    padding: 21px 36px;
    border-top: 4px double #DDDBDB;
    /* 上に二重線 */
    border-bottom: 4px double #DDDBDB;
    /* 下に二重線 */
}

.table-of-contents h3 {
    color: #727171;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 200%;
    /* 40px */
    text-align: center;
    margin-bottom: 37px;
}

.table-of-contents h3::before {
    content: "　";
    background-image: url("../img/table-of-content.png");
    background-position: center;
    background-repeat: no-repeat;
    width: 24px;
    height: 14px;
    flex-shrink: 0;
    background-size: contain;
    margin-right: 15px;
}

.table-of-contents ul {
    color: #727171;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 700;
    line-height: 200%;
    /* 28px */
}

.table-of-contents ul li {
    display: flex;
    align-items: center;
}

.table-of-contents ul span {
    display: block;
    width: 19px;
    line-height: 14px;
    border-right: 1px solid #727171;
    margin-right: 8px;
}

.table-of-contents ul li a:hover {
    color: #E06741;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 700;
    line-height: 200%;
    /* 28px */
    text-decoration-line: underline;
    text-decoration-style: solid;
    text-decoration-skip-ink: auto;
    text-decoration-thickness: auto;
    text-underline-offset: auto;
    text-underline-position: from-font;
}

.article-body h2 {
    color: #1A1A1A;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 180%;
    margin-bottom: 24px;
    margin-top: 50px;
}


.article-body .Text-Span:after {
    content: "　";
    display: block;
    background: #E06741;
    width: 0%;
    height: 2px;
    flex-shrink: 0;
    z-index: -1;
    transition: all 0.8s;
}

.article-body .Text-Span.isActive:after {
    width: 80px;
}

.article-body .text-box {
    margin: 24px 0;
}

.article-body p {
    color: #1A1A1A;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 15px;
    font-style: normal;
    font-weight: 400;
    line-height: 200%;
}

.article-body p span {
    color: #C79F62;
}

.article-body p.question {
    color: #1A1A1A;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 15px;
    font-style: normal;
    font-weight: 700;
    line-height: 200%;
    /* 26px */
    margin-top: 24px;
    margin-bottom: 8px;
}


.article-body .image-view span {
    color: #6C757D;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 11px;
    font-style: normal;
    font-weight: 400;
    line-height: 180%;
    /* 19.8px */
    margin: 8px 0;
    display: block;
}

.spacer-4 {
    display: block;
    height: 8px;
}

.top-link a {
    display: block;
    width: 451px;
    height: 50px;
    flex-shrink: 0;
    border: 1px solid #1A1A1A;
    text-align: center;
    color: ##1A1A1A;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 13px;
    font-style: normal;
    font-weight: 700;
    line-height: 50px;
    margin: 50px auto;
    position: relative;
}

.top-link a::after {
    position: absolute;
    content: "　";
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center;
    background-image: url("../img/fe_arrow-up.png");
    right: 100px;
}

footer {
    width: 800px;
    margin: 0 auto;
    border-top: 1px solid #1A1A1A;
    padding-bottom: 30px;
}

footer .logo img {
    display: block;
    width: 172px;
    margin: 47px auto 29px auto;
}

footer p {
    text-align: center;
    color: #000;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 180%;
    /* 25.2px */
}