@media screen and (min-width: 768px) {

    /*PCの場合*/
    .pc {
        display: inline !important;
    }

    .mb {
        display: none !important;
    }

    /* 　ボディー
------------------------------------------------------------*/
    body {
        max-width: 100%;
        margin: auto;
    }

    /* 　メインコンテンツ
------------------------------------------------------------*/
    .top-menu-table {
        display: flex;
        justify-content: center;
    }

    .menu-item {
        width: 150px;
        padding: 10px;
        border-radius: 10px;
        font-weight: bold;
        cursor: pointer;
        text-align: center;
        margin: 0 5px;
    }

    .item3 {
        background-color: orange;
        color: white;
    }

    .item1, .item2, .item4 {
        background-color: #f0f0f0;
        color: black;
    }

    .top-menu-table a {
        text-decoration: none;
    }

    /* 　更新日
------------------------------------------------------------*/
    .update {
        color: gray;
        font-size: 15px;
        text-align: right;
        padding-right: 79px;
        position: relative;
        margin-bottom: 30px;
    }

    .fa-pencil-alt, .fa-undo-alt {
        padding-left: 10px;
        padding-right: 5px;
    }

    .date {
        margin-bottom: 0px;
        margin-top: 0px;
    }

    .display-none {
        display: none;
    }

    /* 　足跡
------------------------------------------------------------*/
    .footprints {
        color: gray;
        padding-bottom: 10px;
    }

    .footprints ol {
        list-style: none;
        margin: 0px;
        padding: 20px 20px 0 82px;
    }

    .footprints li {
        float: left;
    }

    .footprints a {
        text-decoration: none;
        color: gray;
    }

    .footprints a:hover {
        color: rgb(160, 160, 160);
    }

    .fa-caret-right {
        padding-left: 10px;
        padding-right: 15px;
    }

    /* 　トップラッパー
------------------------------------------------------------*/
    .wrapper {
        width: 900px;
        margin: 30px auto 0 auto;
        padding-bottom: 20px;
        background-color: #f9f8f2;
        justify-content: center;
    }

    .eye-catch {
        display: block;
        margin-right: auto;
        margin-left: auto;
        width: 880px;
        height: auto;
    }

    .main {
        width: 900px;
        height: auto;
        margin-top: 30px;
        text-align: center;
        flex-wrap: wrap;
    }

    /* 　section
------------------------------------------------------------*/
    .sec-h1 {
        width: 700px;
        margin: 30px auto;
        padding: 0 25px 20px 20px;
        display: inline-block;
        border-bottom: 1px solid gray;
        text-align: left;
        font-size: 25px;
    }

    /**img**/
    .banner-table {
        display: flex;
        justify-content: center;
    }

    .banner {
        width: 300px;
        height: 80px;
        margin: 0 20px;
    }

    /**img**/

    .h1-p-table {
        width: 700px;
        margin: 30px auto;
        text-align: left;
    }

    h2 {
        text-align: left;
        width: 750px;
        margin: 70px auto 30px auto;
        display: inline-block;
        border-bottom: 1px solid gray;
        padding-bottom: 5px;
    }

    h2::before {
        content: "";
        border-radius: 50%;
        border: 16px solid #696363;
        display: inline-block;
        vertical-align: middle;
        margin-right: 5px;
    }

    .contents-img {
        width: 750px;
        height: auto;
        display: inline-block;
    }

    h3 {
        text-align: left;
        display: inline-block;
        width: 700px;
        margin-top: 40px;
        margin-bottom: 0px;
        padding: 5px;
    }

    table tr:nth-child(2), tr:nth-child(4), tr:nth-child(6), tr:nth-child(8), tr:nth-child(10), tr:nth-child(12) {
        background-color: #efefef;
    }

    h3+div {
        width: 700px;
        margin: 10px auto;
        text-align: left;
    }

    /**表（table）**/
    table {
        display: inline-block;
        margin: 0 auto 10px auto;
        background-color: white;
        width: 700px;
    }

    .tr-top th {
        text-align: center;
        font-weight: bold;
        font-size: 18px;
        padding: 15px 10px;
        width: 500px;
    }

    .tr-child {
        padding: 10px;
        width: 500px;
        height: 50px;
    }

    tr {
        text-align: center;
    }

    /**表（table）**/

    .rice {
        width: 700px;
        margin: 0 auto;
        display: block;
        font-size: 14px;
        text-align: left;
        color: #676767;
    }

    /* ふわふわ動くアニメーション
------------------------------------------------------------*/
    #fuwa {
        animation: 2s ease-in-out infinite cloud;
    }

    @keyframes cloud {
        0% {
            transform: translateY(-5%);
        }

        50% {
            transform: translateY(5%);
        }

        100% {
            transform: translateY(-5%);
        }
    }

    /* marker
------------------------------------------------------------*/
    .marker-pink {
        display: inline;
        position: relative;
        background-position: bottom left;
        background-image: linear-gradient(90deg, pink, pink);
        background-repeat: no-repeat;
        background-size: 0% 100%;
    }

    .marker-pink.markJs {
        animation: 1s marker ease-in-out forwards;
    }

    @keyframes marker {
        from {
            background-size: 0%;
        }

        to {
            background-size: 100%;
        }
    }

    .marker-blue {
        display: inline;
        position: relative;
        background-position: bottom left;
        background-image: linear-gradient(90deg, #b1dfe9, #b1dfe9);
        background-repeat: no-repeat;
        background-size: 0% 100%;
    }

    .marker-blue.markJs {
        animation: 1s marker ease-in-out forwards;
    }

    /* link
------------------------------------------------------------*/
    .link-table p>a {
        color: black;
    }

    .link-btn {
        color: #fff;
        background: #27acd9;
        display: block;
        text-align: center;
        text-decoration: none;
        width: 450px;
        margin: auto;
        border: 2px solid white;
        padding: 1rem 4rem;
        font-weight: bold;
        transition: 0.5s;
        border-radius: 10px;
        font-size: 20px;
    }

    .link-btn:hover {
        color: #27acd9;
        background: white;
        border: 2px solid #27acd9;
    }

    /* details＆summaryタグ
------------------------------------------------------------*/
    summary:hover {
        opacity: 0.5;
        cursor: pointer;
    }

    details[open] p {
        background: #ebebeb;
        padding: 10px;
        animation-duration: 0.5s;
        animation-name: anm1;
    }

    @keyframes anm1 {
        0% {
            opacity: 0;
        }

        100% {
            opacity: 1.0;
        }
    }
}