body {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    margin: 0;
    text-decoration: none;
}

.back {
    position: absolute;
    height: 100%;
    width: 100%;
    z-index: 1;
    filter: blur(10px);
    object-fit: cover;
}

.front {
    z-index: 2;
    height: 100%;
    width: 100%;
    position: absolute;
    font-family: 'Noto Serif JP', serif;
    display: grid;
    grid-template-rows: 1fr 3fr 1fr;
    justify-items: center;
    background-color: rgba(255, 255, 255, 0.6);
}

.head-container {
    display: flex;
    align-items: center;
    font-size: 2vw;
    justify-content: center;
    flex-direction: column;
}

.main-container {
    display: flex;
    width: 80%;
    border: 1px solid #000;
    box-shadow: 1px 1px 5px 0px  #000;
    align-items: center;
    justify-content: center;
}

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

.lyric {
    width: 80%;
    display: grid;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    writing-mode: vertical-rl;
    padding: 10px;
    font-size: 1.5vw;
}

.para>span {
    background-color: black;
    padding: 5px 0;
    color: #fff;
}

.whitespace {
    margin-left: 10px;
}

.title {
    width: 100%;
    display: flex;
    justify-content: center;
    color: black;
    padding: 0 5px;
    align-items: center;
}

.title:hover{
    background-color: black;
    color:#fff;
}

a{
    text-decoration: none;
}

.title>img {
    height: 2vw;
}

.auth{
    font-size: 1.5vw;
}