* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 18px;
    line-height: 1.6;
    background: #f4f6f8;
    color: #222;
}
header {
    background: #2f80ed;
    color: #fff;
    padding: 1.5rem 1rem;
    text-align: center;
}
nav {
    background: #1c5db6;
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}
nav a {
    color: #fff;
    text-decoration: none;
    padding: 0.75rem 1rem;
}
nav a:hover,
nav a:focus {
    background: #174a91;
}
main {
    max-width: 900px;
    margin: 2rem auto;
    background: #fff;
    padding: 1.5rem;
    border-radius: 6px;
}
.hours-box {
    background: #eef4ff;
    border-left: 6px solid #2f80ed;
    padding: 1rem;
    margin: 1.5rem 0;
}
.notice {
    font-size: 0.9rem;
    color: #444;
}
footer {
    text-align: center;
    font-size: 0.9rem;
    color: #555;
    padding: 1rem;
}