:root {
    --bg: url("../img/bg_mainvisual.jpg");
}

.baseWidth {
    max-width: 1200px;
    margin: 0 auto;
    padding: 64px 20px 100px
}


/* 背景は main の疑似要素で敷く */
main.hero {
    background-color: #c1edf6;
    position: relative;
    z-index: 0;
    /* 背景より前にコンテンツを出すための文脈 */
}

main.hero>* {
    position: relative;
    z-index: 1;
    /* 背景レイヤーより前面に */
}

/* 通常＝固定表示（画面全域を覆う） */
main.hero::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: var(--bg);
    background-size: cover;
    background-position: center bottom;
    background-repeat: no-repeat;
    will-change: transform;
    pointer-events: none;
    /* 背景でクリック阻害しない */
}

/* フッターが見えたら固定解除（見た目の位置を維持） */
body.bg-unfixed main.hero::before {
    position: absolute;
    top: var(--bg-top, 0);

    left: 0;
    right: 0;
}


/* ===== スライダー ===== */
.sliderArea {
    padding-top: 100px;
    position: relative;
    width: 100%
}

.js-slick-3 .slide {
    width: 960px;
    aspect-ratio: 12/7;
    padding: 0 36px
}

.js-slick-3 .slide img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 8px;
    overflow: hidden;
    object-fit: contain;
}

.slide .scaleBox {
    transition: opacity .3s ease;
    opacity: 1
}

.slick-prev:before,
.slick-next:before {
    color: #000
}

.slick-dots li button:before {
    font-size: 10px;
    color: #fff;
    opacity: 1;
}

.slick-dots li.slick-active button:before {
    color: #0066cc;
    opacity: 1;
}



.cardsBlock {
    margin-left: auto;
    margin-right: auto;
    /* padding-top: 160px; */
    padding-top: 60px;
    padding-bottom: 160px;
    padding-left: 20px;
    padding-right: 20px;
    max-width: 1480px;
    width: 100%;
}

.cards {
    margin-left: auto;
    margin-right: auto;
    max-width: 980px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    padding: 56px 40px;
}

/* .glass-box {
    background: rgba(255, 255, 255, 0.25);
    border-radius: 12px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
} */

/* リンクを箱化して角丸・はみ出し処理 */
.card-link {
    position: relative;
    display: block;
    border-radius: 16px;
    /* overflow: hidden; */
    text-decoration: none;
}

/* 中身のカードは背景を透明に（余白・レイアウト用だけに使う） */
.card {
    min-height: 150px;
    padding: 22px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    background: transparent;
    transition: transform .25s ease;
    position: relative;
}

/* 矢じり（L字を45度回転） */
.card::after {
    --arrow: #2b5dd1;
    /* 矢印色を変えたい時はここだけ */
    content: "";
    position: absolute;
    top: 18px;
    /* 位置は調整可 */
    right: 18px;
    width: 14px;
    height: 14px;
    border-top: 3px solid var(--arrow);
    border-right: 3px solid var(--arrow);
    border-radius: 1px;
}

/* 軸（横棒を45度回転して↗方向へ） */
.card::before {
    content: "";
    position: absolute;
    top: 43px;
    right: 44px;
    width: 24px;
    height: 2.5px;
    background: var(--arrow, #2b5dd1);
    transform-origin: 100% 50%;
    transform: rotate(135deg) translateX(-9px);
    border-radius: 2px;
    transition: transform .25s ease, top .25s ease, right .25s ease, width .25s ease;
}


.card-link,
.card-link:hover {
    text-decoration: none;
}

/* ベースのグラデ（常に表示） */
.card-link::before {
    content: "";
    position: absolute;
    inset: 0;
    /* background: linear-gradient(135deg, rgba(242, 248, 255, 0.70), rgba(219, 238, 255, 0.70)); */
    background: linear-gradient(135deg, rgba(242, 248, 255, 0.9), rgba(219, 238, 255, 0.9));
    border-radius: 16px;
    backdrop-filter: blur(5px);
    transition: opacity .3s ease;
    opacity: 1;
}

/* ホバー時に重ねる “別の” グラデ（通常は透明）をクロスフェード */
.card-link::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(242, 248, 255, 0.30), rgba(219, 238, 255, 0.80));
    border-radius: 16px;
    transition: opacity .3s ease;
    opacity: 0;
}

/* ホバーで上位レイヤの不透明度だけを変える＝滑らかに変化 */
.card-link:hover::after {
    opacity: 1;
}

/* ついでに軽い浮き上がり感 */
.card-link:hover .card {
    transform: translateY(-2px);
}

/* ✅ ぼんやり丸（カードより大きい） */
.card-bg-circle {
    position: absolute;
    z-index: 0;
    top: 50%;
    left: 50%;
    width: 360px;
    height: 360px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle,
            rgba(102, 153, 255, 0.35) 0%,
            rgba(102, 153, 255, 0) 70%);
    filter: blur(40px);
    pointer-events: none;
    transition: opacity .4s ease, transform .4s ease;
    opacity: 0.9;
}

.card-bg-circle.--blue {
    background: radial-gradient(circle,
            /* rgba(102, 153, 255, 0.35) 0%,
            rgba(102, 153, 255, 0) 70% */
            rgba(102, 153, 255, 0.8) 0%,
            rgba(102, 153, 255, 0) 50%);
}

.card-bg-circle.--green {
    background: radial-gradient(circle,
            /* rgba(140, 220, 140, 0.35) 0%,
            rgba(140, 220, 140, 0) 70% */
            rgba(140, 220, 140, 0.8) 0%,
            rgba(140, 220, 140, 0) 50%);
}

.card-bg-circle.--yellow {
    background: radial-gradient(circle,
            /* rgba(255, 235, 150, 0.45) 0%,
            rgba(255, 235, 150, 0) 70% */
            rgba(255, 235, 150, 0.85) 0%,
            rgba(255, 235, 150, 0) 50%);
}

.card-bg-circle.--orange {
    background: radial-gradient(circle,
            /* rgba(255, 180, 110, 0.40) 0%,
            rgba(255, 180, 110, 0) 70% */
            rgba(255, 180, 110, 0.8) 0%,
            rgba(255, 180, 110, 0) 50%);
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: #133B9F;
    line-height: 1.333;
    z-index: 1;
}

.card-title-en {
    font-size: 12px;
    line-height: 1.666;
    color: #333;
    z-index: 1;
}

footer {
    background: #0e1a2b;
    color: #fff;
    margin-top: 40px
}

footer .inner {
    padding: 40px 20px
}

footer p {
    margin: 0 0 10px 0
}

.copyright {
    opacity: .7;
    font-size: 13px
}

.nav-contact {
    display: none;
}

/* ===== レスポンシブ ===== */

@media (max-width:1024px) {

    .js-slick-3 .slide {
        padding: 0 10px;
        width: 85vw
    }

    .cards {
        grid-template-columns: 1fr
    }

    .card-bg-circle {
        width: 100%;
        height: 360px;
        border-radius: 100%;
    }

}

@media (max-width:767px) {

    .cardsBlock {
        padding-top: 30px;
        padding-left: 2.5vw;
        padding-right: 2.5vw;
    }

    .cards {
        margin-left: auto;
        margin-right: auto;
        max-width: 980px;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 18px;
        padding: 56px 5vw;
    }

    .card {
        min-height: auto;
        padding: 22px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 4px;
        background: transparent;
        transition: transform .25s ease;
        position: relative;
    }

    .card-title {
        font-size: 18px;
    }

    .card-title-en {
        font-size: 12px;
        line-height: 1.666;
        color: #333;
        z-index: 1;
    }

    /* ===== スライダー ===== */
    .sliderArea {
        padding-top: 40px;
    }

}