:root {
    --nav-height: 64px;
}

body {
    padding-top: var(--nav-height);
    margin-top: 0;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: #ffffff;
    padding: 0 clamp(20px, 6vw, 100px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #ddd;
    z-index: 999;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.logo {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

.company-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: #004080;
}

nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 20px;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
}

nav::-webkit-scrollbar {
    display: none;
}

nav a {
    color: #333;
    text-decoration: none;
    white-space: nowrap;
}

nav a:hover {
    color: #0073e6;
}

@media (max-width: 720px) {
    body {
        padding-top: var(--nav-height);
    }

    header {
        padding: 0 14px;
    }

    nav {
        gap: 12px;
    }

    .company-name {
        font-size: 1.1rem;
    }

    .logo img {
        height: 42px;
    }
}