@charset "utf-8";
/*=============================
全体
=============================*/
*{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}

body{
    color: azure;
    background-color: black;
}

body.html{
    background:linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),url(image/AI241015YU026オレンジ.jpg);
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
    position: relative;
}


body.css{
    background:linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),url(image/AI241015YU026.jpg);
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}



/*=============================
レイアウト
=============================*/
body{
    max-width: 1400px;
    margin: 0 auto;
    box-sizing: border-box;
}

/*=============================
ヘッダー
=============================*/
header nav ul{
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    max-width: 800px;
    margin: 0 350px;
    padding: 0 20px;
    box-sizing: border-box;
}

header nav ul li{
    width: 30%;
    box-sizing: border-box;
}

header ul li a{
    color: rgb(218, 220, 159);
    text-decoration: none;
}

header nav ul li::before{
    content: "⚫︎";
    color:bisque;
    font-size: 10px;
    margin-right: 8px;
       margin-top: 5px;
}

header nav ul li:hover{
    display: inline-block;
    font-size: 18px;
    font-weight: bold;
    border-bottom: 1px solid cornflowerblue;
}

h1{
    width: 100%;
    max-width: 1400px;
    height: 60px;
    text-align: center;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    font-size: 35px;
    padding-top: 25px;
    padding-bottom: 25px;
    margin: 0 auto;
}

div#container.test5_2 header h1 span{
    color: blueviolet;
    font-size: 50px;
}

div#container.test5_1 header h1 span{
    color: orange;
    font-size: 50px;
}

/*=============================
メインページ
=============================*/
article{
    max-width: 600px;
    margin: 0 auto;
    padding: 0 20px;
}

div#container.test5_1 article h2{
    border-left: 5px solid orange;
    border-bottom: 3px solid coral;
    padding-left: 10px;
}

div#container.test5_2 article h2{
    border-left: 5px solid blueviolet;
    border-bottom: 3px solid darkmagenta;
    padding-left: 10px;
}

h2{
    margin-top: 40px;
}

article dl{
    margin-top: 20px;
}

dt{
    font-weight: bold;
    font-size: 20px;
    line-height: 1.5;
    margin-top: 8px;
    color: burlywood;
}

.article_end{
    padding-bottom: 50px;
    border-bottom: 3px solid darkmagenta;
}

.article_ends{
    padding-bottom: 50px;
    margin-bottom: 25px;
    border-bottom: 3px solid coral;
}

/*=============================
フッター
=============================*/
footer ul{
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    max-width: 800px;
    margin: 0 350px;
    padding: 0 20px;
    box-sizing: border-box;
}

footer ul li{
    width: 30%;
    box-sizing: border-box;
    padding: 5px;
    list-style-type: disc;

    display: flex;
    align-items: flex-start;
}

footer ul li a{
    color: rgb(218, 220, 159);
    text-decoration: none;
}

footer ul li::before{
    content: "⚫︎";
    color:bisque;
    font-size: 10px;
    margin-right: 8px;
    margin-top: 5px;
}

footer ul li:hover{
    display: inline-block;
    font-size: 18px;
    font-weight: bold;
    border-bottom: 1px solid cornflowerblue;
}

p.copy{
    width: 100%;
    max-width: 1400px;
    margin: 25px auto 0;
    padding: 25px 0;
    background-color: #fff;
    color: black;
    text-align: center;
    font-weight: bold;
    font-size: x-large;
}
/*=============================
トップへ戻るボタン
=============================*/
#page-top{
    position: fixed;
    right: calc((100% - 1400px) / 2 + 20px);
    bottom: 20px;

    background-color: orange;
    color: white;

    padding: 15px 25px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 30px;

    z-index: 1000;
}

#page-top:hover{
    transform: scale(1.1);
}

#page-top-css{
    position: fixed;
    right: calc((100% - 1400px) / 2 + 20px);
    bottom: 20px;

    background-color:purple;
    color: white;

    padding: 15px 25px;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 30px;

    z-index: 1000;
}

#page-top-css:hover{
    transform: scale(1.1);
}