body {
    overflow: hidden; /* 禁止スクロールバーの表示 */
    min-height: 100vh;
    /*height: 100%;*/
}

canvas {
    border: 1px solid black;
    touch-action: none; /* Prevent scrolling on touch devices */
}

#pdf-container {
    width: 100%;
    height: 100%;
    /*height: 94vh;*/
    overflow: auto;
    border: 1px solid black;
}

.playSlider-label {
    margin-right: 10px;
}

#thumbnails {
    display: none; /* サムネイル表示エリアを隠す */
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    overflow: auto;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 10px;
    padding: 10px;
    box-sizing: border-box;
    z-index: 10; /* サムネイルを前面に表示 */
}

.thumbnail {
    cursor: pointer;
    /*border: 1px solid black;*/
    background: white;
    /* width: 100%; */
}

#sliderContainer {
    display: flex;
    align-items: center;
    margin-top: 10px;
    width: 100%;
}

#playSlider {
    width: 100%;
    margin-left: 10px;
}

.file-select-button {
  position: relative;
  top: 10px;
  left: 10px;
  padding: 10px;
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
.file-select-button:hover {
  background-color: rgba(0, 0, 0, 0.7);
}
.hidden-file-input {
  display: none;
}

.fixed-control {
    position: fixed;
    top: 150px;
    right: 30px;
    padding: 10px;
}