.login {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url(../image/mainimg.jpg) no-repeat center center;
}

.login-child {
    position: absolute;
    top: 35%;
    font-size: 36pt;
    width: 100%;
    text-align: center;
    color: white;
}

.tohome {
    color: white;
    margin-left: 10px
}

@media screen and (max-width:800px) {
    .tohome {
        display: none
    }
}

/* ---- デモアプリ レイアウト ---- */
.demo-appbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #1e88e5;
    color: #fff;
    padding: 0 1em;
    height: 56px;
}

.demo-title {
    font-size: 1.2rem;
    font-weight: bold;
}

.demo-appbar .tohome {
    color: #fff;
    text-decoration: none;
    margin-left: 10px;
}

.demo-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    background: #f5f5f5;
    padding: 8px 1em;
    border-bottom: 1px solid #ddd;
}

.demo-menu-item {
    padding: 6px 14px;
    border-radius: 4px;
    text-decoration: none;
    color: #1e88e5;
}

.demo-menu-item:hover {
    background: #e3f2fd;
}

.demo-menu-item.active {
    background: #1e88e5;
    color: #fff;
}

.demo-body {
    padding: 1.5em;
}

/* デモ（WASM）ランタイム/DLL 読込中の Loading... 表示（旧版相当） */
.init_loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    font-size: 1.2rem;
    color: #333;
    font-family: "Segoe UI", "Meiryo", sans-serif;
}