* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;
    background: #fafafa;
    min-height: 100vh;
    padding: 20px;
}

.logo {
    text-align: left;
    font-size: 1.1em;
    font-weight: 600;
    color: #666;
    margin-bottom: 40px;
    letter-spacing: 0.02em;
}

.container {
    max-width: 480px;
    width: 100%;
    margin: 0 auto;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h1 {
    text-align: center;
    color: #000;
    font-size: 2em;
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.description {
    text-align: center;
    color: #666;
    font-size: 0.95em;
    line-height: 1.5;
    margin-bottom: 20px;
    font-weight: 400;
}

.price {
    text-align: center;
    font-size: 3em;
    font-weight: 700;
    color: #000;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.tags {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.tag {
    background: #f5f5f5;
    color: #666;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 500;
    border: 1px solid #e5e5e5;
}

.links-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    background: #fff;
    color: #000;
    padding: 20px 24px;
    border-radius: 12px;
    font-size: 0.95em;
    font-weight: 500;
    border: 1px solid #e5e5e5;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.link-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.link-icon {
    font-size: 1.3em;
}

.link-text {
    flex: 1;
}

.link-price {
    font-size: 0.9em;
    color: #999;
    font-weight: 500;
}

.link-button:hover {
    transform: scale(1.02);
    border-color: #000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.link-button:active {
    transform: scale(0.98);
}

.ad-banner {
    margin-top: 40px;
    /* background: #f9f9f9; */
    /* border: 1px solid #e5e5e5; */
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: auto;
}

.ad-placeholder {
    color: #999;
    font-size: 0.85em;
    text-align: center;
    width: 750px;
    height: 100px;

    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px dashed #e0e0e0;
}

.disclaimer-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

.disclaimer {
    max-width: 480px;
    padding-top: 24px;
    border-top: 1px solid #e5e5e5;
    text-align: center;
    font-size: 0.8em;
    color: #999;
    line-height: 1.6;
}

@media (max-width: 640px) {
    body {
        padding: 30px 16px;
    }

    h1 {
        font-size: 1.75em;
    }

    .description {
        font-size: 0.9em;
        margin-bottom: 16px;
    }

    .price {
        font-size: 2.5em;
        margin-bottom: 16px;
    }

    .tags {
        margin-bottom: 32px;
    }

    .tag {
        font-size: 0.8em;
        padding: 6px 14px;
    }

    .link-button {
        padding: 18px 20px;
    }
}

@media (max-width: 400px) {
    h1 {
        font-size: 1.5em;
    }
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
    padding: 0 20px;
    height: 70px;
    display: flex;
    align-items: center;
    /* justify-content: center; */
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.navbar-content {
    display: flex;
    align-items: center;
    gap: 48px;
}

.navbar-logo {
    font-size: 1.3em;
    font-weight: 700;
    color: #000;
    letter-spacing: -0.02em;
}

.navbar-menu {
    display: flex;
    gap: 32px;
    list-style: none;
}

.navbar-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 0.95em;
    transition: color 0.2s ease;
    cursor: pointer;
}

.navbar-menu a:hover {
    color: #000;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    position: absolute;
    right: 20px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: #000;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 1.1em;
    display: block;
    cursor: pointer;
}

body {
    padding-top: 120px;
}

@media (max-width: 768px) {
    .navbar-content {
        gap: 24px;
    }

    .navbar-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .logo {
        font-size: 1.8em;
    }

    .tagline {
        font-size: 1.2em;
    }

    .pin-section {
        padding: 40px 20px;
    }

    .pin-section h2 {
        font-size: 1.6em;
    }

    .pin-digit {
        width: 44px;
        height: 52px;
        font-size: 1.4em;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }

    .section-title {
        font-size: 1.3em;
    }

    .social-links {
        flex-direction: column;
        align-items: center;
    }

    .social-link {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 32px 20px 40px;
    }

    .logo {
        font-size: 1.5em;
    }

    .tagline {
        font-size: 1em;
    }

    .subtitle {
        font-size: 0.95em;
    }

    .pin-digit {
        width: 40px;
        height: 48px;
        font-size: 1.3em;
        gap: 6px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}