body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
    color: #333;
}

#container {
    max-width: 1000px;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
}

#horodate {
    position: absolute;
    left: 0;
    top: 0;
    color: #0290bb;
    font-size: 14px;
}

#header {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 20px;
}

#logo {
    position: absolute;
    right: 0;
    top: 0;
}

#logo img {
    max-width: 80px;
    height: auto;
}

#title {
    font-size: 2em;
    font-weight: bold;
    color: #0290bb;
    text-align: center;
	margin-top: 30px;
}

#subtitle {
    font-size: 1em;
    font-weight: bold;
    color: #0290bb;
    text-align: center;
}

#description {
    font-size: 1.2em;
    color: #666;
    text-align: center;
    margin-bottom: 15px;
}

#dest_path {
    margin-top: 40px;
    margin-bottom: 20px;
}

iframe {
    width: calc(100% - 40px);
    height: 300px;
    border: 1px solid #ccc;
    margin: 15px 20px 15px 20px; 
}

ul {
    margin-left: 40px;
}

ul li {
    margin-bottom: 10px;
    color: #555;
}

.underline {
    text-decoration: underline;
}

.black {
    color: #000000;
}

.accordion {
    background-color: #0290bb;
    color: white;
    cursor: pointer;
    padding: 10px;
    width: 100%;
    text-align: left;
    border: none;
    outline: none;
    font-size: 16px;
    margin-bottom: 5px;
    transition: 0.4s;
    position: relative;
}
  
.accordion:hover {
    background-color: #00578f;
}

.accordion .arrow {
    position: absolute;
    right: 10px;
    font-size: 16px;
    transition: transform 0.4s;
}
  
.accordion.active {
background-color: #00578f;
}

.accordion.active .arrow {
    transform: rotate(180deg);
}
  
.panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
    background-color: #f1f1f1;
    margin-bottom: 10px;
}

.panel.show {
    max-height: 100000px;
    transition: max-height 0.5s cubic-bezier(0.55, 0.06, 0.68, 0.19);
}