@charset "UTF-8";
body {
    font-family: 'Arial', 'Hiragino Sans', 'Yu Gothic', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #333;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
}
.header h1 {
    margin: 0 0 10px 0;
    font-size: 2.5em;
    font-weight: bold;
}
.header p {
    margin: 0;
    font-size: 1.2em;
    opacity: 0.9;
}
.intro {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 40px;
}
.intro h2 {
    color: #667eea;
    margin-bottom: 15px;
}
.video-container {
    display: flex;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
    overflow: hidden;
    flex-wrap: wrap;
}
.video-wrapper {
    flex: 1;
    min-width: 300px;
}
.video-wrapper iframe {
    width: 100%;
    height: 315px;
}
.video-info {
    flex: 1;
    min-width: 300px;
    padding: 30px;
}
.video-info h2 {
    color: #333;
    margin-bottom: 10px;
    font-size: 1.3em;
}
.video-info h3 {
    color: #667eea;
    font-size: 1.1em;
    margin-bottom: 15px;
}
.video-info p {
    margin-bottom: 20px;
    line-height: 1.7;
}
.video-info a {
    display: inline-block;
    background: #667eea;
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s;
}
.video-info a:hover {
    background: #5a6fd8;
}
.skills {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 40px;
}
.skills h2 {
    color: #667eea;
    margin-bottom: 20px;
}
.skill-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}
.skill-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    border-left: 4px solid #667eea;
}
.footer {
    text-align: center;
    padding: 30px;
    background: #333;
    color: white;
    border-radius: 10px;
}
@media (max-width: 768px) {
    .video-container {
        flex-direction: column;
    }
    .header h1 {
        font-size: 2em;
    }
}