body {
    margin: 0;
    font-family: 'Noto Sans JP', 'Segoe UI', Arial, sans-serif;
    background: #f4f4f4;
    color: #212121;
    line-height: 1.7;
}
a { color: #ff9800; text-decoration: none; }
a:hover { text-decoration: underline; }
.container {
    width: 92%;
    max-width: 1200px;
    margin: auto;
}
.logo {
    font-size: 2rem;
    font-weight: bold;
    color: #222;
    text-decoration: none;
    display: block;
    margin-bottom: 0.4em;
    margin-top: 0.4em;
}
header {
    background: #fff;
    border-bottom: 1px solid #eee;
}
header nav {
    position: relative;
}
#nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    position: absolute;
    right: 0;
    top: 1em;
    cursor: pointer;
}
#nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
#nav-links li {
    margin: 0;
}
#nav-links a {
    padding: 0.5em 0.7em;
    color: #333;
    font-weight: 500;
    border-radius: 3px;
    transition: background 0.2s;
}
#nav-links a:hover {
    background: #ffe0b2;
}
.hero {
    background: url('https://images.unsplash.com/photo-1515378791036-0648a3ef77b2?auto=format&fit=crop&w=1500&q=80') center/cover no-repeat;
    color: #fff;
    padding: 5rem 0 3.5rem 0;
    text-align: center;
    position: relative;
}
.hero .hero-text {
    background: rgba(30,30,30,0.6);
    display: inline-block;
    padding: 2rem 2.5rem;
    border-radius: 8px;
    margin-top: 2rem;
    max-width: 95vw;
}
.btn {
    background: #ff9800;
    color: #fff;
    padding: 1rem 2.2rem;
    border: none;
    border-radius: 4px;
    font-size: 1.1rem;
    cursor: pointer;
    text-decoration: none;
    margin-top: 1.2rem;
    display: inline-block;
    transition: background 0.2s;
}
.btn:hover { background: #e68900; }
.features {
    display: flex;
    justify-content: space-between;
    padding: 2.2rem 0;
    background: #fff;
    margin-top: -2.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    gap: 1.5rem;
}
.feature {
    flex: 1;
    margin: 0 1rem;
    text-align: center;
}
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}
.product-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    padding: 1rem;
    text-align: center;
    transition: box-shadow .2s;
}
.product-card:hover {
    box-shadow: 0 6px 16px rgba(0,0,0,0.14);
}
.product-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 6px;
}
.product-card h3 {
    margin: 1.1rem 0 0.5rem;
    font-size: 1.2rem;
}
.product-card .price {
    color: #ff9800;
    font-weight: bold;
    font-size: 1.1rem;
    margin: 0.5rem 0 0;
}
footer {
    background: #222;
    color: #fff;
    padding: 2rem 0 1rem 0;
    text-align: center;
    margin-top: 2rem;
}
footer nav a {
    color: #ffa726;
    margin: 0 0.5rem;
    text-decoration: none;
    font-size: 1em;
}
footer nav a:hover { text-decoration: underline; }
@media (max-width: 900px) {
    .features { flex-direction: column; gap: 1.5rem; }
}
@media (max-width: 600px) {
    .container { width: 99%; }
    .hero { padding: 2rem 0 1.5rem 0; }
    .hero .hero-text { padding: 1rem 0.5rem; }
    .features { flex-direction: column; gap: 1rem; padding: 1.5rem 0; }
    .products-grid { grid-template-columns: 1fr; gap: 1rem; }
    #nav-toggle { display: block; }
    #nav-links {
        display: none;
        flex-direction: column;
        background: #fff;
        box-shadow: 0 2px 8px rgba(0,0,0,0.13);
        position: absolute;
        right: 0;
        top: 2.5em;
        z-index: 5;
        min-width: 170px;
    }
    #nav-links.open { display: flex; }
    #nav-links a {
        border-radius: 0;
        border-bottom: 1px solid #eee;
        color: #333;
        background: #fff;
        padding: 1em 1.2em;
        margin: 0;
        font-size: 1.05em;
    }
}