html {
    width: 100%; /* 念のため幅も指定 */
    height: 100vh;
    /* height: 100%; /* または min-height: 100vh; */
    background-color: #f7f7f7;
}

body {
    margin: 0;
    /*font-family: "ＭＳ ゴシック", "Courier New", monospace;*/
    font-family: "Noto Sans JP", sans-serif;
    font-size: 10pt;
    color: #000000;
    height: 100vh; /* bodyの高さを確保 */
    background-color: #f7f7f7;
}

#header {
    width: 100%;
    height: 70px;
    line-height: 70px;
    background-color: #c00028;
}

#footer {
    margin-top: 30px;
    background-color: #c00028;
    color: white;
    text-align: center;
    padding: 10px 0;
    -webkit-border-radius: 10px; /* Safari,Google Chrome用 */
    -moz-border-radius: 10px; /* Firefox用 */
    font-weight:bold;
}
#main {
    display: flex;
    /*height: 800px;*/
    height: 100vh;
    background-color: #f7f7f7;
}
#wrapper {
    margin: auto;
}
.logo {
    width: 100%;
    margin-bottom:10px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    color: #696969;
    font-weight:bold;
}
.imgContainer {
    display: flex; /* Flexboxを有効にする */
    align-items: center; /* 垂直方向の中央揃え */
    height: 70px; /* 親要素の高さを指定 (必須) */
    /* その他のスタイル */
}
.mainBox {
    width: 720px; /*padding分減らす(left,right)*/
    min-height: 450px;
    padding: 10px;
    border: solid 1px #e0ffff;
    border-radius: 30px; /* CSS3草案 */
    -webkit-border-radius: 10px; /* Safari,Google Chrome用 */
    -moz-border-radius: 10px; /* Firefox用 */
    background-color: #ffffff;
    /*background-color: #f5f5f5;*/
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    margin-left: auto;
    margin-right: auto;
}
.mainWrap {
    width: 700px;
    margin-left: auto;
    margin-right: auto;

}

.btn--orange,
a.btn--orange {
    color: #fff;
    background-color: #eb6100;
}

.btn--orange:hover,
a.btn--orange:hover {
    color: #fff;
    background: #ffa500;
}
.btnWrapper{
    text-align:right;
    margin-top:30px;
    margin-right:10px;
}
.watermark_txtField {
    background-image: url(../img/watarmark_id.png);
    background-repeat: no-repeat;
    padding-left:20px;
    color: white;
}

.watermark_pwdField {
    background-image: url(../img/watarmark_pwd.png);
    background-repeat: no-repeat;
    padding-left: 20px;
    color: white;
}

.gridStyle {
    border: 1px solid #666;
    font-size: 16px;
}
.gridHeader {
    height: 50px;
    text-align: center;
    vertical-align: middle;
    border: 1px solid #666;
}

.gridItemCenter {
    height: 30px;
    text-align: center;
    vertical-align: middle;
    border: 1px solid #666;
}

.gridItemLeft {
    height: 30px;
    text-align: left;
    padding-left: 5px;
    vertical-align: middle;
    border: 1px solid #666;
}

.gridItemRight {
    height: 30px;
    text-align: right;
    padding-right: 5px;
    vertical-align: middle;
    border: 1px solid #666;
}
.EmptyGridStyle {
    border: none;
    font-size: 24px;
}

.formName {
    background: linear-gradient(transparent 60%, pink 30%);
    font-size: 20px;
    font-weight: bold;
    color: #8b0000;
    /*width: 120px;*/
}
.menuButtonDef {
    width: 150px;
    height: 40px;
    font-weight: bold;
    font-size: 15px;
}
.menuTable {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    margin-top:20px;
}
.menuTr{
    height:70px;
}
.menuTd {
    /*text-align: center;*/
    vertical-align: middle;
    width: 350px;
    margin: 3px 0 3px 0;
}
.docTable {
   width:300px; 
   border: 1px solid #666;
   margin-left: auto;
   margin-right: auto;
   margin-top: 20px;
}
.docTd1 {
    background-color: #c00028;
    border: 1px solid #666;
    color: white;
    font-weight: bold;
    text-align: right;
    vertical-align: middle;
    padding-right: 10px;
}
.docTd2 {
    background-color: white;
    border: 1px solid #666;
    vertical-align: middle;
    padding-left: 10px;
}
.btnDef {
    height: 30px;
    width: 100px;
}

.title {
    margin: 0;
    font-size: 24px;
    color: #333;
}
.subtitle {
    margin: 0;
    font-size: 16px;
    color: #333;
    text-align:center;
    align-items: center;
    margin-left: auto;
    margin-right: auto;
}
.underline {
    width: 36px;
    height: 3px;
    background: #c00028;
    border-radius: 999px;
    margin: 10px 0 20px;
}
.btn-menu-def {
    background: #c00028;
    color: white;
    border: none;
    width:280px;
    padding: 10px;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
    margin-bottom:20px;
}

    .btn-menu-def:hover {
        background: #1976d2;
        /*padding-right: 28px;*/
}

.btn-menu-white {
    background: #ffffff;
    color: #c00028;
    border: 1px solid #666;
    width: 280px;
    padding: 10px;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

    .btn-menu-white:hover {
        background: #1976d2;
        color:white;
        border:none;
        /*padding-right: 28px;*/
    }