/* =========================
   category intro block
   共通説明ブロック 改良版
   白浮きを抑えて既存ページになじませる
   ========================= */

.category-intro{
    max-width: none !important;
    width: calc(100% + 24px) !important;
    margin: 24px -12px 28px !important;
    padding: 22px 20px 20px !important;
    background: #fff;
    border: 0;
    box-shadow: none;
    box-sizing: border-box;
    clear: both;
}

.category-intro__title{
 padding:0.5em; /*上下左右の余白*/
 background:#fff; /*背景色*/
 border-bottom:solid 3px #2F5597; /*線の種類 太さ 色*/
    font-size: 24px;
}

.category-intro__text{
    margin: 0;
    font-size: 17px;
    line-height: 1.5;
    color: #222;
}

.category-intro__text + .category-intro__text{
    margin-top: 12px;
}

.category-intro__subhead{
    margin: 20px 0 10px;
    padding-left: 10px;
    font-size: 15px;
    line-height: 1.6;
    font-weight: 700;
    color: #111;
    border-left: 4px solid #d40000;
}

.category-intro__links{
    display: flex !important;
    flex-wrap: wrap !important;
    align-items: center !important;
    gap: 12px !important;
    margin: 18px 0 0 !important;
    padding: 0 !important;
    list-style: none !important;
}

.category-intro__links li{
    display: inline-block !important;
    width: auto !important;
    min-width: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    flex: none !important;
}

.category-intro__links a{
    display: inline-block !important;
    width: auto !important;
    min-width: 0 !important;
    max-width: none !important;
    padding: 8px 14px !important;
    border: 1px solid #c8c8c8;
    background: #fdfdfd;
    color: #222 !important;
    text-decoration: none;
    font-size: 15px;
    line-height: 1.5;
    box-shadow: none;
    white-space: nowrap;
}

.category-intro__links a:hover{
    background: #d40000;
    border-color: #d40000;
    color: #fff !important;
    text-decoration: none;
}

@media screen and (max-width: 767px){
    .category-intro{
        width: calc(100% - 16px);
        margin: 18px 8px 24px;
        padding: 18px 14px;
    }

    .category-intro__title{
        font-size: 19px;
        margin-bottom: 10px;
    }

    .category-intro__text{
        font-size: 14px;
        line-height: 1.9;
    }

    .category-intro__subhead{
        font-size: 15px;
        margin: 18px 0 8px;
    }

    .category-intro__links{
        display: block !important;
        margin-top: 14px !important;
    }

    .category-intro__links li{
        display: block !important;
        margin-top: 8px !important;
    }

    .category-intro__links li:first-child{
        margin-top: 0 !important;
    }

    .category-intro__links a{
        display: block !important;
        width: 100% !important;
        text-align: center;
        white-space: normal;
    }
}

.category-intro__links{
    justify-content: flex-start !important;
    text-align: left !important;
}

.category-intro__links li{
    text-align: left !important;
}

/* =========================
   展示事例リンクセクション
========================= */
#case-study-index.case-study-index {
    padding: 70px 0 80px;
    background: #fff;
    border-top: 1px solid #d9dee5;
}

#case-study-index .container {
    width: min(1180px, calc(100% - 20px));
    margin: 0 auto;
}

#case-study-index .case-study-index__head {
    display: block;
    margin-bottom: 32px;
    padding-bottom: 22px;
    border-bottom: 1px solid #d9dee5;
}

#case-study-index .case-study-index__head-text {
    max-width: 900px;
    margin-bottom: 0;
}

#case-study-index .case-study-index__en {
    margin: 0 0 10px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: #1e4c88;
}

#case-study-index .case-study-index__title {
    margin: 0 0 14px;
    padding: 0 !important;
    border: 0 !important;
    background: none !important;
    box-shadow: none !important;
    text-shadow: none !important;
    display: block;
    font-size: 36px;
    line-height: 1.35;
    font-weight: 700;
    color: #183153;
    letter-spacing: 0;
}

#case-study-index .case-study-index__title::before,
#case-study-index .case-study-index__title::after {
    content: none !important;
    display: none !important;
}

#case-study-index .case-study-index__lead {
    margin: 0;
    max-width: 900px;
    font-size: 14px;
    line-height: 2;
    color: #4d5b6a;
}

#case-study-index .case-study-index__head-btn {
    display: flex;
    justify-content: flex-start;
    margin-top: 18px;
}

#case-study-index .case-study-index__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 220px;
    height: 46px;
    padding: 0 20px;
    background: #183153;
    border: 1px solid #183153;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    transition: background .25s ease, color .25s ease;
}

#case-study-index .case-study-index__btn:hover {
    background: #fff;
    color: #183153;
}

#case-study-index .case-study-index__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

#case-study-index .case-study-card {
    display: block;
    text-decoration: none;
    background: #fff;
    border: 1px solid #d9dee5;
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

#case-study-index .case-study-card:hover {
    transform: translateY(-2px);
    border-color: #aeb9c7;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
}

#case-study-index .case-study-card__image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #f3f5f7;
    border-bottom: 1px solid #d9dee5;
}

#case-study-index .case-study-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

#case-study-index .case-study-card__body {
    padding: 16px;
}

#case-study-index .case-study-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

#case-study-index .case-study-card__meta span {
    display: inline-block;
    padding: 4px 8px;
    border: 1px solid #cfd7e2;
    background: #f8fafc;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.4;
    color: #315888;
}

#case-study-index .case-study-card__title {
    margin: 0 0 12px;
    font-size: 18px;
    line-height: 1.6;
    font-weight: 700;
    color: #183153;
}

#case-study-index .case-study-card__text {
    margin: 0 0 14px;
    font-size: 13px;
    line-height: 1.9;
    color: #556270;
}

#case-study-index .case-study-card__more {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: #183153;
}

#case-study-index .case-study-card__more::after {
    content: " →";
}

/* 3列 */
@media screen and (max-width: 1200px) {
    #case-study-index .case-study-index__grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

/* 2列 */
@media screen and (max-width: 900px) {
    #case-study-index.case-study-index {
        padding: 60px 0 70px;
    }

    #case-study-index .case-study-index__title {
        font-size: 30px;
    }

    #case-study-index .case-study-index__lead {
        font-size: 14px;
        line-height: 1.9;
    }

    #case-study-index .case-study-index__head-btn {
        margin-top: 16px;
    }

    #case-study-index .case-study-index__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* 1列 */
@media screen and (max-width: 767px) {
    #case-study-index .container {
        width: min(100%, calc(100% - 16px));
    }

    #case-study-index .case-study-index__title {
        font-size: 26px;
        margin: 0 0 12px;
    }

    #case-study-index .case-study-index__lead {
        font-size: 13px;
        line-height: 1.9;
    }

    #case-study-index .case-study-index__head-btn {
        margin-top: 14px;
    }

    #case-study-index .case-study-index__btn {
        width: 100%;
        min-width: 0;
    }

    #case-study-index .case-study-index__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    #case-study-index .case-study-card__body {
        padding: 14px;
    }

    #case-study-index .case-study-card__title {
        font-size: 17px;
    }
}