body {
    margin: 0;
    font-family: "Helvetica Neue", Arial, sans-serif;
    color: #222;
    background: #ffffff;
}



/* HEADER */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 40px;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid #eee;
}

.header-logo {
    height: 48px;
}

.nav {
    display: flex;
    align-items: center;
}

.nav a {
    margin-left: 28px;
    text-decoration: none;
    color: #222;
    font-size: 13px;
    letter-spacing: 0.15em;
}

/* ハンバーガーメニュー */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger span {
    width: 100%;
    height: 2px;
    background: #222;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* 1024px以下でハンバーガーメニューを表示 */
@media (max-width: 1024px) {
    .hamburger {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        display: flex !important;
        flex-direction: column !important;
        justify-content: flex-start;
        align-items: stretch;
        padding: 80px 30px 30px;
        transition: right 0.3s ease;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }
    
    .nav.active {
        right: 0;
    }
    
    .nav a {
        margin: 0 !important;
        margin-bottom: 20px !important;
        font-size: 15px;
        padding: 10px 0;
        width: 100%;
        border-bottom: 1px solid #eee;
        display: block;
        text-align: left;
    }
    
    .nav a:last-child {
        margin-bottom: 0 !important;
    }
    
    .header {
        position: relative;
    }
}

/* HERO */
.hero {
    background: url("hero-marble.png") center/cover no-repeat;
    padding: 120px 20px;
    text-align: center;
}

.hero-logo {
    height: 120px;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 36px;
    letter-spacing: 0.2em;
    margin: 0;
}

.hero-tagline {
    margin-top: 10px;
    font-size: 14px;
    letter-spacing: 0.25em;
    color: #555;
}

/* SECTION */
.section {
    padding: 80px 20px;
    text-align: center;
}

.section-title {
    font-size: 22px;
    letter-spacing: 0.2em;
    margin-bottom: 40px;
}

.section-text {
    font-size: 15px;
    line-height: 2;
    color: #444;
}

/* PRODUCTS */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.product-card {
    background: #fff;
    border: 1px solid #eee;
    padding: 20px;
    border-radius: 8px;
}

.product-card img {
    width: 100%;
    border-radius: 6px;
}

.product-name {
    margin-top: 12px;
    font-size: 14px;
    letter-spacing: 0.15em;
}

/* FOOTER */
.footer {
    text-align: center;
    padding: 20px;
    font-size: 13px;
    color: #666;
    border-top: 1px solid #eee;
}

.footer p {
    margin: 5px 0;
}

.footer a {
    color: #666;
    text-decoration: none;
    letter-spacing: 0.1em;
}

.footer a:hover {
    color: #222;
    text-decoration: underline;
}