.site-header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    padding: 10px 0;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.site-logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: #1e3a8a;
}
.site-logo .site-title {
    font-weight: 700;
    font-size: 18px;
}
.site-logo .tagline {
    font-size: 12px;
    color: #6b7280;
}
.main-navigation .menu {
    display: flex;
    gap: 20px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.main-navigation .menu a {
    text-decoration: none;
    color: #1e3a8a;
    font-weight: 500;
}