.csr-sub header {
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.hero-sidebar--csr {
    background-color: var(--color-light-gray);
    background-image: var(--hero-bg, none);
    background-size: cover;
    background-position: top;
    background-repeat: no-repeat;
}

@media screen and (max-width: 767px) {
    .hero-sidebar--csr {
        background-image: var(--hero-bg-sp, var(--hero-bg, none));
    }
}

.hero-sidebar--csr .hero-sidebar__inner {
    padding: clamp(96px, 14vw, 180px) 24px clamp(40px, 10vw, 96px);
}

.hero-sidebar--csr .hero-sidebar__label {
    font-size: 12px;
    letter-spacing: .08em;
}

.hero-sidebar--csr .hero-sidebar__title {
    font-family: var(--font-sans-jp);
    letter-spacing: .05em;
}



.csr-sub .hero-sidebar--csr {
    overflow: visible;
    background-position: center 70%;
}

.csr-sub .hero-sidebar--csr .hero-sidebar__title {
    font-size: clamp(32px, 6vw, 40px);
    font-weight: 500;
}


/* layout */
.csr-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: stretch;
}

@media (min-width: 1025px) {
    .csr-grid {
        grid-template-columns: 296px 1fr;
        gap: clamp(40px, 5vw, 72px);
    }
}

.csr-main__content {
    display: flex;
    flex-direction: column;
    gap: clamp(24px, 3vw, 40px);
    padding: clamp(64px, 8vw, 120px) 0;
}

/* sidebar（PC/SP 共通モジュール調整） */
.csr-sidebar {
    --sidebar-arrow-bg: url(../images/csr/simple-arrow.svg);
}

@media (max-width: 1024px) {
    .csr-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .csr-sidebar {
        position: relative;
        top: -45px;
        margin-bottom: -45px;
    }
}

/*==============================================================
/ 共通レイアウト
/==============================================================*/
.csr-main__content {
    display: flex;
    flex-direction: column;
    gap: clamp(24px, 3vw, 40px);
    padding: clamp(80px, 10vw, 120px) 0;
}

.content-body {
    border-bottom: 1px solid rgba(0, 0, 0, .1);
    padding-bottom: clamp(80px, 10vw, 120px);
    display: flex;
    flex-direction: column;
    gap: clamp(24px, 3vw, 40px);
}

.content-body:last-child {
    border-bottom: none;
    padding-bottom: 0;
}


.box-bg-gray {
    background-color: #F5F7F8;
    padding: 30px clamp(20px, 3vw, 40px);
}

.box-bg-gray__header {
    font-family: var(--font-latin);
    font-size: clamp(12px, 2vw, 16px);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    line-height: 1;
    margin-bottom: 16px;
}

.box-bg-gray__header .box-bg-gray__num {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: 6px;
    color: var(--color-red);
}

.box-bg-gray__header .box-bg-gray__num::before {
    content: "";
    display: inline-block;
    width: 1px;
    height: 1em;
    background-color: rgba(0, 0, 0, .1);
}

.box-bg-gray__title {
    display: block;
    font-size: clamp(16px, 2vw, 18px);
    font-weight: 500;
    margin-bottom: 16px;
}

.box-title__border {
    border-bottom: 1px solid rgba(0, 0, 0, .1);
    padding-bottom: 8px;
}

.box-bg-gray__text {
    font-size: 14px;
    line-height: 1.8;
}

.box-list__headding {
    margin-bottom: 40px;
}

.box-list__title {
    display: block;
    font-size: clamp(16px, 2vw, 18px);
    font-weight: 500;
    margin-bottom: 16px;
    padding-bottom: 8px;
    position: relative;
}

.box-list__title::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    /* 破線の太さ */
    background-image: repeating-linear-gradient(90deg,
            rgba(0, 0, 0, .3) 0 2px,
            rgba(0, 0, 0, 0) 2px 4px);
}

.box-list__list {
    list-style-type: none;
    margin: 0;
    padding: 0 0 0 16px;
}

.box-list__list.box-list__ol {
    list-style-type: decimal;
    margin: 0;
    padding: 0 0 0 24px;
}

@media screen and (max-width: 767px) {
    .box-list__list {
        padding: 0 0 0 8px;
    }

    .box-list__list.box-list__ol {
        padding: 0 0 0 16px;
    }
}

.box-list__list li {
    line-height: 1.8;
    margin-bottom: 8px;
    padding-left: 10px;
}

.box-list__list.box-list__ol li {
    padding-left: 4px;
}

.box-list__list li:before {
    content: '';
    width: 4px;
    height: 4px;
    display: inline-block;
    border-radius: 100%;
    background: var(--color-text);
    position: relative;
    left: -12px;
    top: -3px;
}

.box-list__list.box-list__ol li::before {
    content: none;
}

.box-list.box-list__comment {
    padding: 40px clamp(20px, 3vw, 40px);
    border: 1px solid rgba(0, 0, 0, .1);
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.box-list.box-list__comment .box-list__headding {
    margin-bottom: 0;
}

.box-list__title-meta {
    font-size: clamp(13px, 2vw, 14px);
    margin-bottom: 8px;
}

.box-list.box-list__comment .box-list__title {
    font-size: clamp(20px, 3vw, 24px);
    margin-bottom: 0;
}

.box-list.box-list__comment .box-list__title::after {
    content: none;
}

.box-divider {
    display: block;
    height: 1px;
    width: 100%;
    background: rgba(0, 0, 0, .1)
}

.box-list__group {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.box-list__title-sub {
    display: block;
    font-size: clamp(14px, 2vw, 16px);
    font-weight: 500;
    margin-bottom: 8px;
}


.box-list.box-list__comment .box-list__group .box-list__list li,
.box-list.box-list__comment .box-list__group p {
    font-size: clamp(13px, 2vw, 14px);
}

.box-list.box-list__comment .box-bg-gray {
    padding: 16px 24px;
}

/*==============================================================
/  csr-top
/==============================================================*/
.csr-card-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: clamp(16px, 2.4vw, 28px);
    grid-template-columns: repeat(3, 1fr);

    @media (max-width: 900px) {
        grid-template-columns: 1fr;
    }
}

.csr-card a {
    display: block;
    color: inherit;
    text-decoration: none;
    outline: none;
}

.csr-card .thumb {
    aspect-ratio: 16 / 9;
    position: relative;
    overflow: hidden;
    margin-bottom: 32px;
}

.csr-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1);
    transition: var(--transition);
}

.csr-card__link {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.csr-card__label {
    font-weight: 500;
    font-size: clamp(18px, 2vw, 20px);
    line-height: normal;
    transition: var(--transition);
}

.csr-card__link .btn-arrow {
    display: flex;
    margin-inline: auto 0;
}

/* 2カラム資料テーブル */
.doc-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(16px, 2vw, 32px);
    margin: 0;
    padding: 0;
    list-style: none;
}

@media (max-width: 768px) {
    .doc-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

/* 行・バッジ */
.doc-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    text-decoration: none;
    color: inherit;
    padding: clamp(24px, 3vw, 40px) clamp(20px, 3vw, 24px);
    border: 1px solid rgba(0, 0, 0, .08);
}

.doc-title {
    font-size: 16px;
    font-weight: 500;
}

/* PDFバッジ（シンプル） */
.doc-badge {
    font-size: 11px;
    font-family: var(--font-latin);
    line-height: 1;
    background: var(--color-red);
    color: #fff;
    padding: 2.5px 9px;
    font-weight: 500;
    white-space: nowrap;
    flex: 0 0 auto;
}