/*================================================
  page-header
================================================*/

.page-header-about {
    background-image: url(../../image/about/page-header-bg.jpg);
}
.page-header-title {
    max-width: 684px;
}
.page-header-title-ja {
    bottom: 0;
    right: 40px;
}

/*================================================
  content
================================================*/
.content {
    background-color: var(--color-base);
    padding-top: calc(var(--layout-gap) * 2);
    color: var(--color-white);
}

.content-list {
    margin-top: var(--layout-gap);
}

.page-wrapper {
    position: relative;
    z-index: 2;
}

.content-list .page-wrapper {
    padding-right: 7.5%;
}

/* content-list-item-bg */
.content-list-item {
    background-size: cover;
    background-position: center;
    position: relative;
    margin-bottom: calc(var(--layout-gap) * 2);
}

.content-list-item:last-child {
    margin-bottom: 0;
}

.content-list-item::before {
    content: '';
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.8) 0%, rgba(19, 19, 19, 0.5) 80%, rgba(98, 98, 98, 0) 100%);
    z-index: 1;
}

.content-list-item-bg1 {
    background-image: url(../../image/about/content-list-item1.jpg);
}

.content-list-item-bg2 {
    background-image: url(../../image/about/content-list-item2.jpg);
}

.content-list-item-bg3 {
    background-image: url(../../image/about/content-list-item3.jpg);
}

.content-list-item-bg4 {
    background-image: url(../../image/about/content-list-item4.jpg);
}


/* content-item-title */
.content-list-item-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    top: 0;
    transform: translateY(-50%);
    width: 100%;
}

.content-list-item-title-border {
    display: block;
    width: 80%;
    height: 2px;
    background-color: var(--color-white);
    margin-left: 4%;
}

.content-list-item-title-wrapper {
    display: flex;
    align-items: center;
}

.content-list-item-title-en {
    color: rgba(var(--color-white-rgb), 0.6);
    font-size: 2.4rem;
    font-weight: bold;
    margin-right: calc(var(--layout-gap) / 2);
}

.content-list-item-title-num {
    font-size: clamp(6rem, 2rem + 4vw, 12rem);
    font-weight: bold;
}

/* content-item-subtitle */

.content-list-item-subtitle {
    display: flex;
    align-items: center;
    padding-block: calc(var(--layout-gap) * 1.5) calc(var(--layout-gap) / 2);
}

.content-list-item-subtitle-en svg {
    max-width: 180px;
}

.content-list-item-subtitle-ja {
    font-size: 1.6rem;
    font-weight: 900;
    white-space: nowrap;
}

/* content-list-item-text */
.content-list-item-lead {
    font-size: 2.4rem;
    font-weight: 900;
    margin-bottom: var(--layout-gap);
}

.content-list-item-text {
    max-width: 580px;
    padding-bottom: calc(var(--layout-gap) * 2);
    font-size: 1.6rem;
    font-weight: 600;
}

.content-list-item-text li {
    padding-left: 20px;
    position: relative;
}

.content-list-item-text li:first-child {
    margin-bottom: calc(var(--layout-gap) / 2);
}

.content-list-item-text li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 15px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(var(--color-white-rgb), 0.6);
}

@media print,
screen and (min-width: 1200px) {
    .content {
        background-color: var(--color-base);
        padding-top: calc(var(--layout-gap) * 4);
    }

    .content-list {
        margin-top: calc(var(--layout-gap) * 2.5);
    }

    .content-list-item {
        margin-bottom: calc(var(--layout-gap) * 3);
    }

    .content-list-item::before {
        background: linear-gradient(90deg, rgba(0, 0, 0, 0.8) 0%, rgba(19, 19, 19, 0.6) 30%, rgba(98, 98, 98, 0) 100%);
    }

    /* content-list-item-title */
    .content-list-item-title-en {
        color: rgba(var(--color-white-rgb), 0.6);
        font-size: 3.2rem;
        margin-right: var(--layout-gap);
    }

    /* content-list-item-subtitle */
    .content-list-item-subtitle {
        padding-block: calc(var(--layout-gap) * 2.8) calc(var(--layout-gap) * 1.2);
    }

    .content-list-item-subtitle-en svg {
        max-width: 340px;
    }

    .content-list-item-subtitle-ja {
        font-size: 2.4rem;
    }

    /* content-list-item-text */
    .content-list-item-lead {
        font-size: 3.6rem;
        margin-bottom: calc(var(--layout-gap) * 1.5);
    }

    .content-list-item-text {
        padding-bottom: calc(var(--layout-gap) * 3.5);
        font-size: 1.8rem;
    }

    .content-list-item-text li:first-child {
        margin-bottom: calc(var(--layout-gap) / 1.2);
    }
}