:root {
    --color-bg: #0a0a0a;
    --color-text: #ffffff;
    --color-primary: #ff007f;
    /* Neon Pink */
    --color-secondary: #00ffff;
    /* Cyan */
    --color-accent: #7928ca;
    /* Purple */
    --font-main: 'Inter', 'Noto Sans JP', sans-serif;
    --spacing-unit: 8px;
    --container-width: 1200px;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.8;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 2);
}

/* Header */
.site-header {
    padding: calc(var(--spacing-unit) * 2) 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.site-header nav ul {
    display: flex;
    gap: calc(var(--spacing-unit) * 3);
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
    /* Header height */
    background: radial-gradient(circle at 50% 50%, #1a1a1a 0%, #000000 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(circle at 20% 30%, rgba(255, 0, 127, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0, 255, 255, 0.15) 0%, transparent 40%);
    animation: bg-pulse 15s ease-in-out infinite alternate;
    z-index: 0;
}

@keyframes bg-pulse {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

.hero-section h2 {
    font-size: 3rem;
    margin-bottom: calc(var(--spacing-unit) * 2);
    line-height: 1.2;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-section p {
    font-size: 1.2rem;
    margin-bottom: calc(var(--spacing-unit) * 4);
    color: rgba(255, 255, 255, 0.8);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 4);
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    color: white;
    box-shadow: 0 0 20px rgba(255, 0, 127, 0.5);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 0, 127, 0.8);
}

.btn-secondary {
    border: 2px solid var(--color-secondary);
    color: var(--color-secondary);
}

.btn-secondary:hover {
    background: var(--color-secondary);
    color: var(--color-bg);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

/* Sections */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 6);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    margin: calc(var(--spacing-unit)) auto 0;
    border-radius: 2px;
}

.gallery-section,
.consultation-section {
    padding: calc(var(--spacing-unit) * 10) 0;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
}

/* SNS Card Style (Simplified) */
.sns-card {
    background: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    color: #000;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.sns-card:hover {
    transform: translateY(-5px);
}

.sns-image-wrapper {
    width: 100%;
    aspect-ratio: 3/4;
    /* Adjusted for business card templates */
    background-color: #f0f0f0;
}

.sns-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* Ensure the whole card design is visible */
    background: #222;
    /* Dark background for the image area */
}

.sns-caption {
    padding: 15px;
}

.sns-buy-btn {
    display: block;
    margin: 0 15px 15px;
    text-align: center;
    background-color: var(--color-primary);
    color: white;
    padding: 10px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
}

.sns-buy-btn:hover {
    opacity: 0.9;
    color: white;
}

/* Consultation Section */
.consultation-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: calc(var(--spacing-unit) * 6);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}

.consultation-icon {
    font-size: 3rem;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.consultation-card h3 {
    font-size: 1.5rem;
    margin-bottom: calc(var(--spacing-unit) * 2);
    color: var(--color-secondary);
}

.consultation-card p {
    margin-bottom: calc(var(--spacing-unit) * 4);
    color: rgba(255, 255, 255, 0.8);
}

.consultation-note {
    font-size: 0.8rem;
    margin-top: calc(var(--spacing-unit) * 2);
    color: rgba(255, 255, 255, 0.5);
}

/* Purchase Page */
.purchase-section {
    padding-top: 120px;
    /* Header height + spacing */
    padding-bottom: 80px;
}

.product-summary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 40px;
    display: flex;
    gap: 20px;
    align-items: center;
}

.product-summary img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 4px;
}

.product-details h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.product-details .price {
    color: var(--color-secondary);
    font-weight: 700;
}

.order-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.required {
    color: var(--color-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    color: white;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.15);
}

.form-divider {
    border: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 40px 0;
}

.payment-section {
    margin-top: 40px;
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 8px;
}

.payment-label {
    margin-bottom: 15px;
    font-weight: 600;
}

.amazon-pay-btn {
    background: #fad676;
    /* Amazon Pay Yellow */
    color: #111;
    border: none;
    padding: 12px 40px;
    border-radius: 4px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: background 0.2s;
}

.amazon-pay-btn:hover {
    background: #f5c242;
}

.amazon-icon {
    font-family: serif;
    /* Mocking the 'a' logo */
    font-weight: 900;
    font-size: 1.4rem;
}

.payment-note {
    margin-top: 15px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section h2 {
        font-size: 2rem;
    }
}