button.bar-button {
    border: 0;
    border-radius: 19px;
    font-size: 1.5rem;
    color: cornflowerblue;
    box-shadow: 3px 3px 10px -6px rgba(0, 0, 0, 0.6);
}

button.bar-button.on {
    color: #fff;
    background-color: #808080;
}

button.bar-button:hover {
    color: #fff;
    background-color: #808080;
}

html {
    height: 100%;
}

body {
    height: 100%;
    background-color: #fff;
}

header {

}

footer {
    background-color: rgba(230, 230, 250, 0.5);
}

footer {
    height: 100px;
    position: relative;
}

/* 20220518yoshida */
button.bi-eject-fill {
    transform: rotate( 90deg );
}

#main {
    height: 100%;
    background-color: #fff;
    padding-top:2px;
}

#book-container {
    height: 100%;
    padding-bottom: 100px;
    overflow: hidden;
}

.transition-btn {
    position: absolute;
    width: 30px;
    height: calc(100% - 100px);
    top: 0;
    background-color: rgba(0, 0, 0, 0.2);
    cursor: pointer;
    z-index: 1000;
}

.transition-btn > i {
    font-size: 1.5rem;
    color: cornflowerblue;
    top: 50%;
    position: relative;
    left: 3px;
}

.back-btn {
    left :0;
}

.next-btn {
    right: 0;
}

/*.bb-item {
    width: 400px;
}*/

img.page-image {
    width: 490px;
}

.bb-custom-side img {
    margin-left: -4px;
}
#book-container > .bb-custom-wrapper {
    transform-origin: top center;
}

#screen-btn {
    z-index: 2000;
}

#canv {
    position: absolute;
    top: 0;
    left: 0;
}

#penbox {
    position: absolute;
    right: 34px;
    top: -60px;
    padding: 10px;
    background-color:rgba(230, 230, 250, 0.5);
}

#penbox > button {
    margin: 0 8px;
}

#colorBtn {
    color: rgba(255, 155, 252, 1.0);
}

.swiper {
    height: calc(100% + 80px);
}