@charset "utf-8";

/* ========================================
Article header
=========================================== */
.article__header{
    margin-top: 16px;
    height: 400px;
    background-image: url(../images/bg-main-sp.jpg);
    background-repeat: no-repeat;
    background-position: left 16px bottom;
    background-size: cover;
    position: relative;
}

.mainVisual{
    background: rgba(0, 0, 0, 0.34);
    padding: 44px 28px 54px 38px;
    box-sizing: border-box;
    width: 100%;
    max-width: 324px;
    position: absolute;
    left: 0;
    bottom: 0;
}

.logo__pc{
    display: none;
}

/* .article header pc */
@media screen and (min-width:769px) {
    .article__header{
        margin: 0 ;
        height: 515px;
        background-image: url(../images/bg-main-pc.jpg);
        background-position: left 140px bottom;
    }

    .mainVisual {
        padding: 56px 70px 40px 205px;
        max-width: 933px;
    }

    .logo__sp{
        display: none;
    }

    .logo__pc{
        display: block;
    }
}/* px 769px */

/* ========================================
About
=========================================== */
.section--about{
    padding: 48px 0;
}

.mainCaption{
    width: var(--contentWidth);
    margin: 27px auto 0;
    font-size: 1.6rem;
    line-height: 1.3; /* 20.8px */
}

.mainCaption__txt{
    margin-top: 21px;
}

.mainCaption__txt:first-of-type{
    margin-top: 0;
}

.movie{
    display: block;
    width: 100%;
    aspect-ratio: 16/9;
    margin: 27px auto 0;
}

.entry{
    width: var(--contentWidth);
    margin: 27px auto 0;
}

.entry__topic{
    color: var(--primary-Green, #4FB9B9);
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1; /* 18px */
}

.entry__txt{
    color: var(--primary-darkGreen, #076363);
    text-align: center;
    font-size: 1.6rem;
    line-height: 1.3; /* 20.8px */
    margin-top: 16px;
}

.btn--about{
    margin-top: 16px;
}

/* about pc */
@media screen and (min-width:769px) {
    .section--about{
        padding: 64px 0 61px;
    }

    .mainCaption {
        width: 100%;
        max-width: 958px;
        text-align: center;
        margin: 32px auto 0;
    }

    .movie{
        max-width: 1160px;
        margin: 32px auto 0;
    }

    .entry{
        margin: 32px auto 0;
        display: flex;
        justify-content: center;
        gap: 0 48px;
    }

    .entry__topic{
        font-size: 2.8rem;
    }

    .entry__txt{
        text-align: center;
        font-size: 1.6rem;
        margin-top: 13px;
    }

    .entry__txt .spBr{
        display: none;
    }

    .btn--about{
        margin-top: 0px;
    }

}/* pc 769px */

/* ========================================
Topics
=========================================== */
.section--topics{
    background-image: url(../images/bg-sp.jpg);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    padding: 64px var(--contentPadding);
}

.topic__white{
    color: var(--primary-whiteLow, #ECF5F5);
}

.topic__white::after{
    background-color:var(--primary-whiteLow, #ECF5F5);
}
.topics{
    margin-top: 32px;
}

.topics__item{
    margin-top: 24px;
}

.topics__item:first-of-type{
    margin-top: 0;
}

.topics__item img{
    /* trim on */
    object-fit: cover;
    width: 100%;
    height: 51.4vw;
}

.topics__txt{
    background-color: var(--primary-white);
    padding: 16px;
    height: 124px;
}

.topics__txt time{
    color: var(--primary-green, #4FB9B9);
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.3; /* 20.8px */
}

.topics__txt span{
    display: block;
    margin-top: 8px;
    color: var(--primary-darkGreen, #076363);
    font-size: 1.6rem;
    line-height: 1.3; /* 20.8px */
}

.btn--topics{
    margin-top: 32px;
}

/* topics  pc*/
@media screen and (min-width:769px) {
    .section--topics{
        background-image: url(../images/bg-pc.jpg);
        background-position: center top;
    }

    .topics{
        max-width: 1160px;
        margin: 32px auto 0;
        display: flex;
        justify-content: center;
        gap: 0 20px;
    }

    .topics__item{
        margin-top: 0;
        width: 373px;
    }

    .topics__item img{
        /* trim off */
        object-fit: contain;
        height: auto;
    }

    .topics__txt{
        height: 123px;
    }

    .btn--topics{
        margin: 32px auto 0;
    }
}/* pc 769px */