@charset "utf-8";
/*==========================
Article header
==========================*/
.article__header {
    margin-top: 16px;
    height: 400px;
    background-image: url(../images/bg-main-sp4.png);
    background-repeat: no-repeat;
    background-position: left 16px bottom;
    background-size: cover;
    position: relative;
}

.mainVisual {
    background: rgba(237, 163, 65, 0.329);
    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-pc4.png);
        background-position: left 140px bottom;
    }

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

    .logo__sp {
        display: none;
    }

    .logo__pc {
        display: block;
    }

}/* pc 769px */

/*==========================
About
==========================*/
.section--about {
    padding: 48px 0;
}
.mainCaption {
    width: var(--contentWidth);
    margin: 27px auto 0;
    color: var(--primary-black);
    font-size: 1.6rem;
    line-height: 1.3;
}

.mainCaption__txt {
    margin-top: 21px;
}

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

/* youtube */
.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);
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

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

.btn--about {
    margin-top: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* .section--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: 0;
    }

}/* pc 769px */

/*==========================
Topics
==========================*/
.section--topics {
    background-image: url(../images/bg-sp3.png);
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    padding: 64px var(--contentPadding);
}

.topic--white {
   color: var(--primary-whiteLow);
}

.topic--white::after {
    background-color: var(--primary-whiteLow);
}

.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);
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.3;
}

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

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

/* topics pc */
@media screen and (min-width:769px) {
    .section--topics {
        background-image: url(../images/bg-pc3.png);
        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 */
        aspect-ratio: 4 / 3;
        height: auto;
    }

    .topics__txt {
        height: auto;
        min-height: 150px;
    }

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