* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, sans-serif;
}
body {
    line-height: 1.6;
    color: #222;
    background: #fff;
}
.container {
    width: 92%;
    max-width: 1100px;
    margin: 0 auto;
}
header {
    background: #111;
    color: white;
    padding: 1rem 0;
}
header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.2rem;
    font-weight: bold;
}
.nav-wrap .nav {
    display: flex;
    gap: 1.4rem;
    list-style: none;
}
.nav a {
    color: #fff;
    text-decoration: none;
}
.nav a.active {
    color: #3498db;
}
.hamburger {
    display: none;
    font-size: 1.6rem;
    cursor: pointer;
}
main {
    padding: 2.5rem 0;
}
h1 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}
h2 {
    font-size: 1.5rem;
    margin: 2rem 0 0.8rem;
}
.notice {
    color: #c0392b;
    margin-bottom: 2rem;
}
.price-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px,1fr));
    gap: 12px;
    margin: 1rem 0 2rem;
}
.price-item {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: center;
    border-radius: 6px;
}
.btn {
    display: inline-block;
    background: #2980b9;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    margin-top: 1rem;
}
.cta-block {
    margin-top: 3rem;
    padding: 2rem;
    background: #f4f6f8;
    text-align: center;
    border-radius: 8px;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
    margin: 1rem 0;
}
footer {
    background: #111;
    color: #aaa;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 4rem;
}
@media (max-width:768px) {
    .nav {
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: #111;
        flex-direction: column;
        padding: 1rem 5%;
        display: none;
    }
    .nav.open {
        display: flex;
    }
    .hamburger {
        display: block;
    }
    h1 {
        font-size: 1.8rem;
    }
}