@charset "UTF-8";

/* =========================
Main
==========================*/
/* article header */

.mainTopics {
    font-family: 'Orbitron';
    display: flex;
    align-items: center;
    /* 垂直中央揃え */
    justify-content: center;
    /* 横方向中央揃え */
    margin-bottom: 24px;
}

.mainTopics__main {
    font-size: 3rem;
}

.mainTopics__sub {
    font-size: var(--font-size-large);
}

/* .article header PC */
@media screen and (min-width: 769px) {
    .mainTopics__main {
        font-size: 6rem;
    }

    .mainTopics__sub {
        font-size: 4rem;
    }
}

/* section */
.section {
    padding: 24px 0;

}

.section:first-of-type {
    padding: 0 0 24px 0;
}

.section__topicBox {
    padding: 24px var(--padding-side) 0px;
    background-image: linear-gradient(to bottom, #B3E5F0 0%, white 100%);
    opacity: 0.9;
}

.section__topic {
    color: black;
    font-size: 3rem;
    font-weight: 400;
    line-height: 1.3;
    text-align: center;
    letter-spacing: 0.2rem;
}

/* feature--list */
.sp-only {
    display: block;
}

.pc-only {
    display: none;
}


.feature__list {
    padding: 0 var(--padding-side);
}

.feature__title {
    font-size: 3rem;
    font-weight: 700;
}

.feature__title span {
    font-size: var(--font-size-normal);
}

.feature__txt {
    font-size: var(--font-size-normal);
    margin-bottom: 25px;
}

.feature__item {
    display: flex;
    align-items: center;
    /* 画像とテキストを縦中央揃え */
}

.feature__img {
    width: 45%;
    height: auto;
}

.btn {
    margin: 0 9% auto;
    display: block;
    padding: 8px 0 8px;
    border-radius: 6px;
    background: var(--color-secondary);
    color: black;
    text-align: center;
    font-size: var(--font-size-large);
    font-weight: 400;
    line-height: 1;
    box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
}

.btn:hover {
    opacity: 0.5;
}

@media screen and (min-width: 769px) {
    .sp-only {
        display: none;
    }

    .pc-only {
        display: flex;
        gap: 12px;
    }

    .feature__item {
        display: block;
        text-align: center;
    }

    .feature__txt {
        text-align: left;
    }

    .feature__img {
        width: 80%;
        height: auto;
    }
}

.category__box {
    padding: 0px 9%;
    margin-top: 48px;
    margin-bottom: 16px;
}

.category__subbox {
    margin-bottom: 16px;
}

.category__name {
    color: white;
    text-align: center;
    font-size: var(--font-size-normal);
    background-color: black;
}

.category__title {
    font-family: 'orbitron';
    font-size: 3rem;
    text-align: center;
}

.category__txt {
    font-size: var(--font-size-normal);
    text-align: center;
}