/*-- Loading画面 --*/
#splash {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 999;
    text-align: center;
    color: #fff;
}

#splash_text {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 999;
    transform: translate(-50%, -50%);
    color: #fff;
    width: 100%;
}

.loader_cover {
    width: 100%;
    height: 50%;
    background-color: #333;
    transition: all .2s cubic-bezier(.04, .435, .315, .9);
    transform: scaleY(1);
}

.loader_cover-up {
    transform-origin: center top;
}

.loader_cover-down {
    position: absolute;
    bottom: 0;
    transform-origin: center bottom;
}

/*-- ボタン --*/
button {
    margin: 5px 10px 15px 0;
    padding: 10px 15px;
    font-size: 1rem;
    cursor: pointer;
    background-color: #fff;
    border: 1px solid #999;
    color: #000;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/*-- 背景色 --*/
.blue {
    background-color: #e0ffff;
    transition: background-color 1s;
}