*{
                margin: 0px;
            }
            h1{
                background-color:#666666;
                color:white;
                margin:0px;
                padding: 10px;
            }
            .site{
                background-color:#b2b2b2;
                margin:0px;
                padding-top:0px;
                padding-bottom: 0px;
                padding-left: 5px;
                padding-right: 0px;
                color: #ffffff;
            }
            .a{
                color:black;
                text-decoration: none;
                font-size: 1.25em;
                font-weight: bold;
                margin: 20px;
            }
            .adash{
                color:blue;
                text-decoration: none;
                font-size: 1.25em;
                font-weight: bold;
                margin: 20px;
            }
            .box4{
                padding: 10px 19px;
                margin: 40px 40% 40px 10px;
                color: #2c2c2f;
                background: #cde4ff;
                border-top: solid 5px #5989cf;
                border-bottom: solid 5px #5989cf;
                font-weight:bold;
                    }
            .box4 p {
                margin: 0; 
                padding: 0;
                font-size:1.5em
                    }
            .box4dash{
                padding: 10px 19px;
                margin: 40px 50% 40px 10px;
                color: #FFD700;
                background: #CD0000;
                border-top: solid 5px #FFD700;
                border-bottom: solid 5px #FFD700;
                font-weight:bold;
                font-size: 1.5em;
                    }
            .box2 {
                padding: 1em 1em;
                margin: 40px 10% 40px 10px;
                font-weight:bold;
                color: #000000;/*文字色*/
                background: #FFF;
                border: solid 3px #6091d3;/*線*/
                border-radius: 10px;/*角の丸み*/
                    }
            .box2 p {
                margin: 0; 
                padding: 0;
                font-size:1.25em;
                    }
            .center{
                text-align:center;
            }
            .as{
                font-size:1.25em;
            }
            .box29 {
                margin: 2em 0;
                background: #dcefff;
            }
            .box29 .box-title {
                font-size: 1.2em;
                background: #5fb3f5;
                padding: 4px;
                text-align: center;
                color: #FFF;
                font-weight: bold;
                letter-spacing: 0.05em;
            }
            .box29 p {
                padding: 15px;
                margin: 0vw;
            }
            .old2{
                font-size: 1.25em;
                margin: 20px;
                font-weight:bold;
            }
            .foot{
                margin-top: 40px;
                margin-bottom: 0px;
            }
            html, body {
                height: 100%;
            }

            body {
                display: flex;
                flex-direction: column;
                min-height: 100vh;
                background-color: #fffef9;
                margin: 0;
            }

            main {
                flex: 1;
            }

            .foot {
                background-color: #b2b2b2;
                color: white;
                text-align: center;
            }