html{
    touch-action: manipulation;
    margin: 0;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

body{
    background-color: black;
    margin: 0;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    -webkit-overflow-scrolling: touch;
}


.large_img {
    width: 100%;
}

@media screen and (min-width: 960px) {
    .large_img {
        max-width: 960px;
    }
}

#inputans, #submitans {
    height: 72px; 
    padding: 0 10px; 
    box-sizing: border-box; 
    font-size: 48px; 
}

#inputans{
    background: #ffffff;
    margin-right: 10px; /* ボタンとの間に余白を追加 */
}

#submitans{
    background: #999595;
    height: 100%; /* 高さを入力フィールドと同じにする */
}

.fixed-bottom {
    display: none;
    position: fixed;
    bottom: 30;
    width: 100%;
    text-align: center;
}