/* .content {
    height: 400px;
} */
/* body {
    position: relative;
    min-height: 100%;
} */
.footer {
    position: absolute;
    bottom: 0px;
    width: 100%;
}

.content_header {
    font-weight: bold;
    font-size: 20px;
    padding: 20px 0 10px;
    border-bottom: 2px solid gray;
}
.content_header::before {
    display: inline-block;
    content: "　";
    width: 10px;
    height: 80%;
    background-color: orange;
}

.content_content {
    width: 900px;
    margin: auto;
}

.content_content label{
    margin: 30px 30px 20px 0;
}

.justify_content {
    display: flex;
    justify-content: space-between;
}
.justify_content_align {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#register {
    width: 100%;
}
#register th {
    width: 25%;
    padding: 10px 15px;
    background-color: #DCDCDC;
    border: 1px solid #D3D3D3;
    border-collapse: collapse; 
}
#register td {
    padding:  10px 15px;
    background-color: #F5F5F5;
    border: 1px solid #D3D3D3;
    border-collapse: collapse; 
}
.th_left {
    font-weight: bold;
}

.th_right_gray {
    color: gray;
}

#btn_container {
    margin-top: 20px;
    text-align: center;
}

.content_header1 {
    text-align: center;
    margin: 20px 0;
    font-size: 20px;
    font-weight: bold;
}
.content_header2 {
    text-align: center;
    margin: 20px 0;
    font-size: 16px;
}
#dialog-form {
    display: none;
}
#dialog-form table {
    width: 60%;
    margin: auto;
}

#dialog-form th {
    width: 35%;
    padding: 10px 15px;
    background-color: #DCDCDC;
    border: 1px solid #D3D3D3;
    border-collapse: collapse; 
}
#dialog-form td {
    padding:  10px 15px;
    background-color: #F5F5F5;
    border: 1px solid #D3D3D3;
    border-collapse: collapse; 
}