<style>
        body {
            margin: 0;
            padding: 0;
            background-color: #fff;
        }

        .slider {
            width: 100%;
            /* スライダーの幅をブラウザ幅100%に */
            margin: 20px auto;
            /* 中央揃え */
            position: relative;
            height: 420px;
            /* スライドショーの高さを500pxに固定 */
        }

        .slide {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100%;
            /* スライドの高さを親要素に合わせる */
        }

        .slide img {
            width: 100%;
            height: auto;
            max-height: 100%;
            /* 画像の最大高さを100%に設定 */
            transition: transform .3s ease-in-out;
            transform: scale(0.8);
        }

        .slick-center img {
            transform: scale(1);
        }

        .slider .slick-slide{
            margin-right: -27px !important;
            margin-left: -27px !important;
        }

        /* スクエア矢印ナビゲーション */
        .slick-prev,
        .slick-next {
            position: absolute;
            top: 50%;
            /* 縦中央に配置 */
            transform: translateY(-50%);
            width: 40px;
            height: 40px;
            background-color:#202f41;
            color: white;
            border: none;
            font-size: 18px;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            z-index: 99;
            top:200px;
        }

        .slick-prev {
            left: calc(50% - 383px);
        }

        .slick-next {
            right: calc(50% - 383px);
        }

        .slick-prev:hover,
        .slick-next:hover {
            background-color: rgb(0, 0, 0);
        }
        .slick-next:before {
            content: '\25B6';
            font-size: 14px;
            opacity: 1;
        }
        .slick-prev:before {
            content: '\25C0';
            font-size: 14px;
            opacity: 1;
        }

        /*追加ここから*/

        /*追加ここまで*/

        @media screen and (max-width: 768px) {

            .slick-prev,
            .slick-next {
                font-size: 14px;
            }

            .slider {
                width: 100%;
                height: 57vw;
                /* スマホでは高さを少し小さく設定 */
            }

            .slide img {
                width: 100%;
                /* スライド画像の幅を100%に */
                height: auto;
            }

            .slick-center img {
                transform: scale(1);
                /* 中央画像はそのままの大きさ */
            }


            /* 追加ここから*/

            .slide img {
                overflow: hidden;
                width: 100vw;
            }

            .slick-dots li {
                width: 5px !important;
            }

            .slick-prev,
            .slick-next {
                display: none !important;
            }

            /* 追加ここまで*/



        }

        /*共通CSSここから*/
        .news_p,
        .business_p {
            font-weight: bold;
        }

        /*お知らせ*/
        .news_box {
            background-color: #e1e7ef;
        }

        .news_list {
            background-color: white;
        }

        .news_list {
            list-style: none outside;
            margin: 0;
            padding: 0;
        }

        .news_list .news_item:first-child a,
        .news_list .news_item:second-child a {
            border-bottom: 1px solid #CCC;
        }

        .news_list .news_item:last-child a {
            border-bottom: none;
        }

        .news_list .news_item .news_date {
            margin: 0;
            min-width: 100px;
            color: #999;
        }

        .news_list .news_item .news_title {
            margin: 0;
            width: 100%;
        }

        .news_list .news_item a:hover .news_title {
            color: black;
        }

        .news_list ul {
            overflow: hidden;
        }

        .news_item p {
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .aboutus_h2 {
            margin: 0;
        }

        .aboutus_h2 {
            background-image: url(../images/HP_aboutus_bg_SP.png);
            background-repeat: no-repeat;
            background-position: center center;
            background-size: cover;
            background-color: #202f41;
        }

        /*共通CSSここまで*/

        /*PC向けのスタイルここから*/
        @media screen and (min-width: 769px) {


            /*PC共通CSSここから*/
            .news,
            .aboutus_flexbox,
            .business_p {
                max-width: 1100px;
                margin: 0 auto;
            }

            .news_p,
            .business_p {
                font-size: 2rem;
                margin-bottom: 33px;
                margin-top: 33px;
            }

            /*PC共通CSSここまで*/

            /*お知らせCSSここから*/
            .news {
                padding: 5px 0 0 0;
            }

            .news_list .news_item a {
                display: flex;
                flex-wrap: wrap;
                flex-wrap: nowrap;
                text-decoration: none;
                color: #333;
                border-bottom: 1px solid #CCC;
                padding: 20px 20px;
                margin: 0 10px;
            }
            .news_list .news_item .news_date {
                padding: 0 20px 0 0;
            }
            .news_item img {
                width: 110px;
                margin-right: 10px;
            }
            .news_item a {
                align-items: center;
            }
            .news_box_sp {
                display: none;
            }
            /*お知らせCSSここまで*/


            /*ボタンCSSここから*/
            .news_btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .news_btn a {
                background: #CCC;
                position: relative;
                display: flex;
                justify-content: space-around;
                align-items: center;
                margin: 0 auto;
                max-width: 240px;
                padding: 10px 25px;
                color: black;
                transition: 0.3s ease-in-out;
                font-weight: 500;
                z-index: 0;
            }

            .news_btn,
            .news_btn a {
                text-decoration: none !important;
                text-align: center;
                padding: 15px 150px;
            }

            .news_btn a {
                margin: 30px;
            }

            .news_btn a:before {
                content: "";
                position: absolute;
                top: 0;
                bottom: 0;
                width: 0;
                display: block;
                background: #202f41;
                transition: .3s;
                left: 0;
            }

            .news_btn a:hover {
                color: #FFF;
            }

            .news_btn a:hover:before {
                width: 100%;
                z-index: -1;
            }

            /*ボタンCSSここまで*/

            /*私たちについてCSSここから*/
            .aboutus_h2_P {
                font-size: 30px;
                color: #FFF;
                max-width: 1100px;
                margin: auto;
            }

            .aboutus_font {
                font-size: 40px;
            }

            .aboutus_h2_text {
                display: inline-block;
                line-height: 2;
            }

            .aboutus_flexbox {
                display: flex;
                flex-direction: row;
                align-items: center;
                margin-bottom: 30px;
                justify-content: space-between;
            }

            .aboutus_flexbox img {
                padding-top: 40px;
                width: 350px;
            }

            .aboutus_box {
                font-size: 18px;
                padding: 0 0 20px 0;
            }

            .aboutus_h2 {
                top: -20px;
            }

            .abouteus_text {
                margin: 30px 20px 30px 0;
            }

            /*私たちについてCSSここまで*/

            /*事業紹介CSS*/
            .business_box img {
                width: 100%;
                height: auto;
            }

            .business_box_text {
                font-size: 25px;
            }

            .business_box_textEN {
                font-size: 15px;
            }

            .business_tournament {
                background-image: url(../images/HP_business_tournament.png);
                background-repeat: no-repeat;
                background-position: center center;
                background-size: cover;
                background-color: #202f41;
            }

            .business_event {
                background-image: url(../images/HP_business_event.png);
                background-repeat: no-repeat;
                background-position: center center;
                background-size: cover;
                background-color: #202f41;
            }

            .business_management {
                background-image: url(../images/HP_business_management.png);
                background-repeat: no-repeat;
                background-position: center center;
                background-size: cover;
                background-color: #202f41;
            }

            .tournament_titletext_bluebox,
            .management_titletext_bluebox {
                width: 50%;
                background-color: #202f41;
                color: #FFF;
                padding: 80px 0;
                margin: 0 0 10px 0;
            }

            .event_titletext_bluebox {
                width: 50%;
                background-color: #202f41;
                color: #FFF;
                padding: 80px 0;
                margin: 0 0 10px auto;
            }

            .business_tournament img,
            .business_event img,
            .business_management img {
                display: none !important;
            }

            .business_tournament a,
            .business_event a,
            .business_management a {
                text-decoration: none;
            }

            .tournament_titletext_bluebox p,
            .tournament_titletext,
            .management_titletext_bluebox p,
            .management_titletext {
                padding: 30px 20px 0 0;
            }

            .event_titletext_bluebox p,
            .event_titletext {
                padding: 20px 0 0 30px;
            }

            .bluebox_left,
            .bluebox_right {
                max-width: 500px;
            }

            .bluebox_left {
                margin: 0 0 10px auto;
                padding-right: 20px;
            }

            /*追加CSS*/
            .tournament_titletext_bluebox:hover,
            .event_titletext_bluebox:hover,
            .management_titletext_bluebox:hover {
                background: linear-gradient(318deg, #003b82 2%, #202f41 53%);
            }
        }

        /*PC向けのスタイルここまで*/

        /* SP向けのスタイル*/
        @media screen and (max-width: 768px) {

            /*SP共通CSSここから*/
            .aboutus_flexbox,
            .business h2,
            .business p,
            .business_box_text,
            .business_box_textEN,
            .event_box_text,
            .event_box_textEN,
            .management_box_text,
            .management_box_textEN {
                padding: 0 25px !important;
            }

            .business img,
            .aboutus_flexbox img {
                width: 100%;
                height: auto;
            }

            .news_p,
            .business_p {
                padding-top: 10px;
            }

            .news_item p {
                color: black;
            }

            p,
            .aboutus_box {
                line-height: 1.5;
            }

            /*SP共通CSSここまで*/

            /*お知らせCSSここから*/
            .news h2 {
                padding: 0 0 0 30px;
            }
            .news_list {
                display: none;
            }
            .white_newsbox img {
                width: 150px;
                display: block;
                margin: auto;
            }
            .white_newsbox {
                display: block;
                margin: auto;
                text-align: left;
                width: 280px;
                background-color: white;
                padding: 10px;
            }
            .white_newsbox a {
                text-decoration: none;
            }
            .white_newsbox p {
                color: black;
                margin: 0 10px 0 10px;
            }
            .box_content {
                margin: 10px 0 17px 0;
            }
            .box_content:last-child {
                margin-bottom: 0;
            }
            .news_date p {
                color: #999;
            }
            /*お知らせCSSここまで*/

            /*ボタンCSSここから*/
            .news_btn {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .news_btn a {
                background: #202f41;
                position: relative;
                display: flex;
                justify-content: space-around;
                align-items: center;
                margin: 0 auto;
                max-width: 240px;
                padding: 10px 25px;
                color: #FFF;
                transition: 0.3s ease-in-out;
                font-weight: 500;
                z-index: 0;
            }

            .news_btn a {
                text-decoration: none !important;
                text-align: center;
                padding: 20px 60px;
            }

            .news_btn {
                padding: 30px 0 40px 0;
            }

            /*ボタンCSSここまで*/

            /*私たちについてCSSここから*/
            .aboutus_h2_P p {
                color: #FFF;
                margin: 0;
                font-size: 5vw;
            }

            .aboutus_h2_text {
                padding: 30px 0 30px 25px;
            }

            .aboutus_box {
                padding: 10px 0;
            }

            .aboutus_text {
                margin: 20px 0 30px 0;
            }

            /*私たちについてCSSここまで*/

            /*事業紹介CSSここから*/
            .tournament_titletext,
            .event_titletext,
            .management_titletext {
                background-color: #202f41;
                color: white;
                position: relative;
                top: -10px;
                padding: 10px 0;
            }

            .business_box_text {
                font-weight: bold;
                font-size: 23px;
            }

            .business_box_textEN {
                font-size: 13px;
            }

            .business_tournament a,
            .business_event a,
            .business_management a {
                text-decoration: none;
            }

            .tournament_titletext_bluebox p,
            .event_titletext_bluebox p,
            .management_titletext_bluebox p {
                color: black;
                margin: 10px 0 20px 0;
            }

            /*事業紹介CSSここから*/
        }

        /* SP向けのスタイルここまで*/
    </style>