* {
    margin: 0;
}

:root {
    font-size: 62.5%;
}

/* スマホ画面 */

    body {
        background-color: rgb(247, 247, 247);
        width: 100vw;
    }
    
    .main {
        font-size: 1.7rem;
        padding-top: 5rem;
        padding-bottom: 5rem;
        width: 100vw;
        background-color: black;
        color: white;
        /* height: 100vh; */
        /* margin-bottom: 10rem; */
        /* position: relative; */
        /* background-size: cover; */
        /* background-sizeは背景画像の寸法を設定するプロパティ */
    }

    nav {
        display: none;
        /* position: fixed; */
        top: 0;
        /* opacity: 0.8; */
        width: 100vw;
        /* display: flex; */
        justify-content: center;
        height: 3rem;
        font-size: 2.5rem;
        color: rgb(255, 255, 255);
        background: rgb(34, 34, 34);
    }

    ul {
        text-align: center;
        /* display: flex; */
        /* justify-content: space-between; */
        /* height: 3rem; */
        /* position: absolute; */
        line-height: 3rem;
        /* align-items: center; */
    }
    
    li {
        list-style: none;
        /* float: left; */
        margin: 0 3rem;
        text-align: center;
    }
    
    .header {
        text-align: center;
        width: 100vw;
        height: 15rem;
        background-color: white;
    }

    .header_logo {
        font-size: 6rem;
        font-weight: 900;
        font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    }

    /* p {
        font-size: 1.7rem;
    } */

    #sou {
        text-align: center;
        /* height: 100vh; */
        width: 100vw;
        margin: 0;
        padding: 0;
    }

    img {
        width: 95%;
        height: auto;

    }

    .movie_wrap {
        position: relative;
        padding-bottom: 56.25%;
        height: 0;
        overflow: hidden;
    }

    .movie_wrap iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }

    a {
        text-align: center;
        text-decoration: none;
        color: rgb(255, 255, 255);
        
    }
    
    a:hover {
        /* color: blue; */
        background-color: rgb(104, 104, 104);
        transition: 0;
    }

    .footer {
        width: 100vw;
        padding-top: 2rem;
        padding-bottom: 2rem;
        background-color: black;
        color: white;
        opacity: 50%;
    }

        /* ハンバーガーメニュー */
        .menu-btn {
            position: fixed;
            top: 10px;
            right: 10px;
            display: flex;
            height: 50px;
            width: 50px;
            justify-content: center;
            align-items: center;
            z-index: 90;
            background-color: black;
        }
        .menu-btn span,
        .menu-btn span:before,
        .menu-btn span:after {
            content: '';
            display: block;
            height: 3px;
            width: 25px;
            border-radius: 3px;
            background-color: #ffffff;
            position: absolute;
        }
        .menu-btn span:before {
            bottom: 8px;
        }
        .menu-btn span:after {
            top: 8px;
        }
    
        #menu-btn-check:checked ~ .menu-btn span {
            background-color: rgba(255, 255, 255, 0);/*メニューオープン時は真ん中の線を透明にする*/
        }
        #menu-btn-check:checked ~ .menu-btn span::before {
            bottom: 0;
            transform: rotate(45deg);
        }
        #menu-btn-check:checked ~ .menu-btn span::after {
            top: 0;
            transform: rotate(-45deg);
        }
    
        #menu-btn-check {
            display: none;
        }
    
        /* メニュー内部 */
        .menu-content {
            width: 70%;
            height: 100%;
            position: fixed;
            top: 0;
            left: 100%;/*leftの値を変更してメニューを画面外へ*/
            z-index: 80;
            background-color: black;
            opacity: 70%;
            transition: all 0.5s;/*アニメーション設定*/
        }
        .menu-content ul {
            padding: 70px 10px 0;
        }
        .menu-content ul li {
            border-bottom: solid 1px #ffffff;
            list-style: none;
        }
        .menu-content ul li a {
            display: block;
            width: 100%;
            font-size: 15px;
            box-sizing: border-box;
            color:#ffffff;
            text-decoration: none;
            padding: 9px 15px 10px 0;
            position: relative;
        }
        .menu-content ul li a::before {
            content: "";
            width: 7px;
            height: 7px;
            border-top: solid 2px #ffffff;
            border-right: solid 2px #ffffff;
            transform: rotate(45deg);
            position: absolute;
            right: 11px;
            top: 16px;
        }
    
        #menu-btn-check:checked ~ .menu-content {
            left: 30%;/*メニューを画面内へ*/
        }
    
        /* ハンバーガーメニュー終わり */

        /* フェードイン用のCSS */
    .slide-bottom {
        opacity: 0;
        transform: translateY(20px);
        transition: all 1.3s 0s ease-out;
    }


/* PC画面 */
@media screen and (min-width: 1025px) { 
    body {
        background-color: rgb(247, 247, 247);
    }
    
    main {
        /* height: 100vh; */
        width: 100vw;
        margin-bottom: 10rem;
        /* position: relative; */
        /* background-size: cover; */
        /* background-sizeは背景画像の寸法を設定するプロパティ */
    }

    .header {
        text-align: center;
        width: 100vw;
        height: 15rem;
        background-color: white;
    }

    .header_logo {
        font-size: 10rem;
        font-weight: 900;
        font-family: Impact, Haettenschweiler, 'Arial Narrow Bold', sans-serif;
    }
   
    /* #home-background {
        height: 100vh;
        background-image: url(home_cover/IMG_9630.JPG);
        background-size: cover;
    } */
    
    
    a {
        text-align: center;
        text-decoration: none;
        color: rgb(255, 255, 255);
        
    }
    
    a:hover {
        /* color: blue; */
        background-color: rgb(104, 104, 104);
        transition: 0;
    }
    
    
    p {
        font-size: 1.7rem;
    }
    
    
    footer {
        /* padding: 5rem auto; */
        margin-top: 10rem;
        text-align: center;
        /* position: relative; */
        /* bottom: 0; */
        color: rgb(255, 255, 255);
        background-color: rgb(34, 34, 34);
        /* font-size: 2.5rem; */
        height: 10rem;
    }
    
    #footer-logo {
        /* position: absolute; */
        /* margin: 3.5rem 0; */
        /* text-align: center; */
        line-height: 10rem;
    }
    
    img {
        width: 100%;
        height: auto;
    }

    .movie_wrap {
        position: relative;
        padding-bottom: 56.25%;
        height: 0;
        overflow: hidden;
    }

    .movie_wrap iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }

    
    /* .sou-work-note:hover {
        animation: fadeIn 2s ease 0s 1 normal;
    } */
    
           /* ハンバーガーメニュー */
           .menu-btn {
            position: fixed;
            top: 10px;
            right: 10px;
            display: flex;
            height: 50px;
            width: 50px;
            justify-content: center;
            align-items: center;
            z-index: 90;
            background-color: black;
        }
        .menu-btn span,
        .menu-btn span:before,
        .menu-btn span:after {
            content: '';
            display: block;
            height: 3px;
            width: 25px;
            border-radius: 3px;
            background-color: #ffffff;
            position: absolute;
        }
        .menu-btn span:before {
            bottom: 8px;
        }
        .menu-btn span:after {
            top: 8px;
        }
    
        #menu-btn-check:checked ~ .menu-btn span {
            background-color: rgba(255, 255, 255, 0);/*メニューオープン時は真ん中の線を透明にする*/
        }
        #menu-btn-check:checked ~ .menu-btn span::before {
            bottom: 0;
            transform: rotate(45deg);
        }
        #menu-btn-check:checked ~ .menu-btn span::after {
            top: 0;
            transform: rotate(-45deg);
        }
    
        #menu-btn-check {
            display: none;
        }
    
        /* メニュー内部 */
        .menu-content {
            width: 70%;
            height: 100%;
            position: fixed;
            top: 0;
            left: 100%;/*leftの値を変更してメニューを画面外へ*/
            z-index: 80;
            background-color: black;
            opacity: 70%;
            transition: all 0.5s;/*アニメーション設定*/
        }
        .menu-content ul {
            padding: 70px 10px 0;
        }
        .menu-content ul li {
            border-bottom: solid 1px #ffffff;
            list-style: none;
        }
        .menu-content ul li a {
            display: block;
            width: 100%;
            font-size: 15px;
            box-sizing: border-box;
            color:#ffffff;
            text-decoration: none;
            padding: 9px 15px 10px 0;
            position: relative;
        }
        .menu-content ul li a::before {
            content: "";
            width: 7px;
            height: 7px;
            border-top: solid 2px #ffffff;
            border-right: solid 2px #ffffff;
            transform: rotate(45deg);
            position: absolute;
            right: 11px;
            top: 16px;
        }
    
        #menu-btn-check:checked ~ .menu-content {
            left: 30%;/*メニューを画面内へ*/
        }
    
        /* ハンバーガーメニュー終わり */

        /* フェードイン用のCSS */
    .slide-bottom {
        opacity: 0;
        transform: translateY(20px);
        transition: all 1.3s 0s ease-out;
    }
}




