body {
    background-image: url("/static/img/PC-.png");
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: auto;
    z-index: 0;
    overflow: hidden; /* ブラー効果でボヤけた部分を非表示 */
}

body::before {
    content: "";
    background: inherit;
    -webkit-filter: blur(7px);
    -moz-filter: blur(7px);
    -o-filter: blur(7px);
    -ms-filter: blur(7px);
    filter: blur(7px);
    width: 100%;
    position: absolute;

    /* ブラー効果で画像の端がボヤけた分だけ位置を調整 */
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    z-index: -1; /* 重なり順序を一番下にしておく */
    height: 100%;
}

body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    pointer-events: none;
    z-index: 2;
    opacity: 0;
}

div#headerStyle {
    width: 100%;
    height: 45px;
    text-align: left;
    padding: 5px;
    background-color: rgba(0, 0, 0, 0.6);
    position: absolute;
    top: 0; /* 上に固定 */
    z-index: 4;
}

div#cotainerStyle {
    width: 90%;
    height: calc(100% - 180px);
    min-height: 500px;
    text-align: center;
    padding: 10px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateY(-50%) translateX(-50%);
    -webkit-transform: translateY(-50%) translateX(-50%);
    z-index: 3;
}

div#footerStyle {
    width: 100%;
    height: 45px;
    text-align: right;
    padding: 5px;
    background-color: rgba(0, 0, 0, 0.6);
    position: absolute;
    bottom: 0; /* 下に固定 */
    z-index: 4;
}

.menuFlexWrapper {
    display: flex;
    justify-content: space-between;
    /* flex-wrap: wrap; */
    overflow: auto;
}
.menuFlexElement1 {
    flex-basis: 370px;
}
.menuFlexElement2 {
    flex-basis: 5px;
}
.menuFlexElement3 {
    flex-grow: 1;
    border-left: 1px solid #cccccc;
}

.wrap_center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.wrap_left {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    padding: 0 100px;
}

.wrap_right {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    width: 100%;
    padding: 0 100px;
}

.box_center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
 }