body {
    align-items: center;
}
footer {
    text-align: center;
    bottom: 0;
    align-content: end;
    display: inline-block;
    position:relative;
}
img {
    position:absolute;
    cursor: grab;
    overflow: hidden;
    display:flex;
}
fieldset {
    display:inline;
}

input[type="number"] {
    width:18%;
}
#image-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px; /* 画像と画像の間に隙間を空ける */
  margin-top: 20px;
}
#plate {
    display:grid;
    justify-content: center;
    margin:auto;
    padding-top: 15px;
    column-gap:22px;
    row-gap: 2px;
    border-radius: 20px;
    grid-template-columns: repeat(3, 14vw);
    grid-template-rows: repeat(3, 14vw);
    overflow: hidden;
}
.hidden-part {
    display:none;
}
.plate-part {
    outline: 4px solid rgba(144,144,144 ,0.1);
    padding: 10px 20px;
    background: radial-gradient(rgb(231, 231, 231), white);
    border-radius: 5px;
    box-shadow: inset -5px -5px 10px 0px rgba(255, 255, 255, 0.5), inset 5px 5px 10px 0px rgba(0, 0, 0, 0.5);
  
}
.plate-text {
    border:0;
    align-content: center;
    align-items: center;
    justify-content: center;
    width: 93%;
    height: 93%;
    text-align:center;
    font-size: 1.8rem;
    white-space: pre-wrap;
}
.active:hover {
  border-color: #007bff;
  box-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
  opacity: 1;
}
.selected-image {
  /* ...既存のスタイル... */
  transform: scale(1) rotateX(0deg) rotateY(0deg); /* 初期変形状態 */
  transition: transform 0.2s ease;
}
#explanation {
    font-size: 0.8rem;
}
button {
    margin: 4px;
}
@media (max-width: 500px) {
    }
@media (max-width: 1300px) {
    img {
        max-height: 15vw;
    }
    #plate{
    grid-template-columns: repeat(3, 23vw);
    grid-template-rows: repeat(3, 23vw);
    }
    label {
    font-size: 1.5vw;
    }
    select {
    font-size: 2vw;

    }
    option {
    font-size: 1.5vw;
    }
}