body {
    animation: fadeIn-all 0.5s;
    font-family: "Noto Serif JP", serif;
    font-optical-sizing: auto;
    font-weight: weight;
    font-style: normal;
}

@keyframes fadeIn-all {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}


/* header
======================= */

#header {
    background-color: rgb(133, 133, 255);
}

#header h1 span {
    font-size: 15px;
}

.container {
    display: flex;
    justify-content: space-between;
}

.container .card {
    padding: 20px;
    margin: 15px;
    border: 1px solid #878787;
}

#footer {
    font-size: 10px;
}

@media screen and (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .container .card {
        padding: 0;
    }

    .swiper-slide img {
        width: 100%;
        height: auto;
    }
}



/* 画像スライダー
=================================== */

.swiper {
    width: 100%;
    max-width: 100%;
}


.swiper .swiper-wrapper .swiper-slide {
    opacity: .3;
    transform: scale(.8);
    transition: .7s;
}

.swiper .swiper-wrapper .swiper-slide-active {
    opacity: 1;
    transform: scale(1);
    z-index: 1;
}

.swiper-slide img {
    width: 100%;
    height: auto;
}


/* タブ切り替え、スタイル設定

=============================== */


/* タブボタンの、スタイル設定
=============================== */

#site-introduce .tabs {
    max-width: 960px;
}

#site-introduce .tabs .tab-list {
    margin-bottom: 0;
}

#site-introduce .tabs .tab-list .tab-item {
    border-radius: 5px 5px 0 0;
    background-color: #FFF;
    border: 1px solid #4c7cff;
    cursor: pointer;
}


/* タブコンテンツのスタイル設定
================================ */

#site-introduce .tab-content {
    max-width: 960px;
    margin: 0 auto 60px auto;
    background-color: #f5f5f5;
}

#site-introduce .tab-content .tab-panel {
    display: none;
}


/* ボタンが押された時の、タブボタンのスタイル設定
=============================================== */

#site-introduce .tabs .tab-list .tab-item.active {
    background-color: #4c7cff;
    color: #FFF;
    font-weight: bold;
    animation: fadeInTabItem;
    animation-duration: 0.5s;
}

/* アニメーション (タブボタンフェードイン)
================================================ */

@keyframes fadeInTabItem {
    from {
        opacity: 0.5;
    } to {
        opacity: 1;
    }
}


/* ボタンが押された時の、タブコンテンツのスタイル設定
================================================ */

#site-introduce .tab-panel.active {
    display: block;
    animation-name: fadeInTabPanel;
    animation-duration: 1s;
}

/* アニメーション (タブパネルフェードイン)
================================================= */

@keyframes fadeInTabPanel {
    from {
        opacity: 0;
    } to {
        opacity: 1;
    }
}



#site-introduce .tab-panel.active .tab-panel-title {
    border-bottom: 2px solid #4c7cff;
}

#site-introduce .tab-panel.active .tab-panel-inner .tab-panel-inner-img img {
    border-radius: 7px;
}

#site-introduce .tab-panel.active .tab-panel-inner .tab-panel-inner-btn a {
    background-color: #4c7cff;
    border-radius: 7px;
}