@font-face {
    font-family: 'HiraMaruW4';
    src: url('../fonts/hiramarupron-w4.otf') format('opentype');
    font-weight: normal;
    font-style: normal;
}
.tasks-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-top: 40px;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    transition: box-shadow 0.3s ease;
    margin-bottom: 15px;
}

.task-item:hover {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.task-item img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
}

.task-item a {
    text-decoration: none;
    font-size: 18px;
    color: #555;
    font-family: 'HiraMaruW4', sans-serif;
    font-weight: bold;
}

* {
   margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.text-thumbnails {
    display: flex;
    flex-direction: column;
    gap: 15px;
    background-color: #fff;
    padding: 10px;
}

.text-thumbnail {
    position: relative;
    padding: 15px;
    background-color: #fff;
    border-bottom: 1px solid #ccc;
    cursor: pointer;
    transition: background-color 0.3s;
}

.text-thumbnail:hover {
    background-color: #f9f9f9;
}

.text-thumbnail-title {
    font-family: 'HiraMaruW4', sans-serif;
    font-size: 18px;
    color: #007bff;
    font-weight: bold;
    margin-bottom: 5px;
}

.text-thumbnail-description {
    font-family: 'HiraMaruW4', sans-serif;
    font-size: 14px;
    color: #000;
}
        
        
        



body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}


.navbar {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 20px 40px;
    background-color: #fff;
    border-bottom: 1px solid #ddd;
}

.navbar a {
    text-decoration: none;
    color: #8000ff;
    font-size: 18px;
    font-weight: bold;
    margin-right: 20px;
}

.navbar a:hover {
    text-decoration: underline;
}


.container {
    display: flex;
    flex: 1;
    padding: 40px;
    gap: 40px;
}


.thumbnails {
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 1.2;
    max-width: 50%;
}

.thumbnail {
    width: 100%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border 0.3s;
}

.thumbnail:hover {
    border: 2px solid #8000ff;
}

.thumbnail img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}


.iframe-container {
    flex: 1.8;
    padding: 20px;
    border-left: 1px solid #ddd;
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}


.footer {
    padding: 20px 40px;
    text-align: center;
    color: #8000ff;
}