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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

header {
    background: #fff;
    border-bottom: 1px solid #e1e4e8;
    padding: 1rem 0;
}

nav {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
    text-decoration: none;
}

.nav-links a {
    margin-left: 1.5rem;
    color: #666;
    text-decoration: none;
}

.nav-links a:hover {
    color: #000;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.container {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h1, h2, h3 {
    margin-bottom: 1rem;
}

.post-list {
    margin-top: 2rem;
}

.post-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid #eee;
}

.post-item:last-child {
    border-bottom: none;
}

.post-item h2,
.post-item h3 {
    margin-bottom: 0.5rem;
}

.post-item a {
    color: #0366d6;
    text-decoration: none;
}

.post-item a:hover {
    text-decoration: underline;
}

.post-item time {
    color: #666;
    font-size: 0.875rem;
}

.post-item p {
    margin-top: 0.5rem;
    color: #666;
}

.post-date {
    color: #666;
    font-size: 0.875rem;
    display: block;
    margin-bottom: 1rem;
}

.content {
    margin-top: 1.5rem;
}

.content p {
    margin-bottom: 1rem;
}

.description {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

footer {
    text-align: center;
    padding: 2rem;
    color: #666;
    margin-top: 2rem;
}