body {
    background-color: #ceefea
}

h2 {
    font-family: monospace;
}

.all_content {
    margin: auto;
    padding: 3em;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.52);
    border: 2px;
    border-radius: 10px;
}

#myCanvas {
    background-color: #fff;
    margin: 0 auto;
    border: 2px solid #25d0b4;
    border-radius: 5px;
    width: 380px;
    height: 60px;
}

@media screen and (max-width:600px) {
    #myCanvas {
        width: 100%;
    }
}

.movie-wrap {
    position: relative;
    padding-bottom: 56.25%; /*アスペクト比 16:9の場合の縦幅*/
    height: 0;
    overflow: hidden;
}

.movie-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.start_pause_replay {
    display: inline-block;
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    margin: 5px;
    background-color: #34a592;
    color: white;
    text-align: center;
    text-decoration: none;
    font-size: 15px;
    cursor: pointer;
}

.start_pause_replay:disabled {
    display: inline-block;
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    margin: 5px;
    background-color: #757973;
    color: rgb(189, 187, 187);
    text-align: center;
    text-decoration: none;
    font-size: 15px;
    cursor: not-allowed;
}

table {
    margin: 0 auto;
}

.toggle-button-4 {
    display: flex;
    align-items: center;
    position: relative;
    width: 80px;
    height: 40px;
    border-radius: 50px;
    box-sizing: content-box;
    background-color: #87878733;
    cursor: pointer;
    transition: background-color .4s;
}

.toggle-button-4:has(:checked) {
    background-color: #519ce633;
}

.toggle-button-4::before {
    position: absolute;
    left: 5px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: #878787;
    content: '';
    transition: left .4s;
}

.toggle-button-4:has(:checked)::before {
    left: 40px;
    background-color: #519ce6;
}

.toggle-button-4::after {
    position: absolute;
    left: 23px;
    transform: translateX(-50%);
    color: #fff;
    font-weight: 600;
    font-size: .9em;
    content: 'OFF';
    transition: left .4s;
}

.toggle-button-4:has(:checked)::after {
    left: 60px;
    content: 'ON';
}

.toggle-button-4 input {
    display: none;
}

.toggle-container {
        display: flex;
        align-items: center;
        margin-top: 5px;
        margin-bottom: 5px;
        margin-right: auto;
        margin-left: auto;
        padding: 20px;
}

.add_min_button {
    background-color: #fff;
    border-radius: 20px;
    color: #333;
    padding: 10px 20px;
    font-size: 15px;
    font-weight: bold;
}

.add_min_button:hover {
    background-color: #f4a7a7;
    border-radius: 20px;
    color: #333;
    cursor: pointer;
    font-size: 15px;
    font-weight: bold;
}

.sub_min_button {
    background-color: #fff;
    border-radius: 20px;
    color: #333;
    padding: 10px 20px;
    font-size: 15px;
    font-weight: bold;
}

.sub_min_button:hover {
    background-color: #a4c5f7;
    border-radius: 20px;
    color: #333;
    padding: 10px 20px;
    cursor: pointer;
    font-size: 15px;
    font-weight: bold;
}

.time_set_num {
    font-size: 2rem;
}

.time_set_str {
    font-size: 1rem;
}

#explanation {
    margin:  2rem 3rem;
    padding: 1rem;
    background-color: #ceefea;
    border-radius: 10px;
}

.list_selectbox {
    position: relative;
}

.list_selectbox::before,
.list_selectbox::after {
    position: absolute;
    content: '';
    pointer-events: none;
}

.list_selectbox::before {
    right: 0;
    display: inline-block;
    width: 2.8em;
    height: 2.8em;
    border-radius: 0 3px 3px 0;
    background-color: #25d0b4;
    content: '';
}

.list_selectbox::after {
    position: absolute;
    top: 50%;
    right: 1.4em;
    transform: translate(50%, -50%) rotate(45deg);
    width: 6px;
    height: 6px;
    border-bottom: 3px solid #fff;
    border-right: 3px solid #fff;
    content: '';
}

.list_selectbox select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    min-width: 230px;
    height: 2.8em;
    padding: .4em 3.6em .4em .8em;
    border: 2px solid #25d0b4;
    border-radius: 3px;
    color: #333333;
    font-size: 1em;
    cursor: pointer;
}

.list_selectbox select:focus {
    outline: 1px solid #25d0b4;
}

.video_testplay_button {
    background-color: #fff;
    border-radius: 20px;
    color: #333;
    padding: 6px 8px;
    font-size: 15px;
    cursor: pointer;
}

.accordion_all{
    margin: 1rem;
}

.accordion_all.accordion {
    margin: 2rem;
    display: flex;
}

.accordion {
    max-width: 500px;
    background-color: #f2f2f2;
    justify-content: center;
    margin-right: auto;
    margin-left: auto;
}

.accordion:not([open]) {
    margin-bottom: 7px;
}

.accordion summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 1em 2em;
    border-radius: 5px;
    background-color: #25d0b4;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}

.accordion summary::-webkit-details-marker {
    display: none;
}

.accordion summary::before,
.accordion summary::after {
    width: 3px;
    height: .9em;
    border-radius: 5px;
    background-color: #fff;
    content: '';
}

.accordion summary::before {
    position: absolute;
    right: 2em;
    rotate: 90deg;
}

.accordion summary::after {
    transition: rotate .3s;
}

.accordion[open] summary::after {
    rotate: 90deg;
}

.accordion input {
    margin: auto;
    padding: 0.5em;
    color: #333333;
    transition: transform .5s, opacity .5s;
    width: 80%;
    display: flex;
    position: relative;
    font-size: 14px;
}

.accordion[open] input {
    transform: none;
    opacity: 1;
}