/* ==========================================================================
   VR Headset Comparison LP - Standalone CSS
   親サイト style.css に一切依存しない自立設計
   ========================================================================== */

/* 1. CSS Variables (Design Tokens)
   ========================================================================== */
:root {
    --bg: #0a0a0a;
    --surface: #141414;
    --surface2: #1f1f1f;
    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.62);
    --primary: #d4af37;
    --primaryLight: #eecf6d;
    --border: rgba(255, 255, 255, 0.09);
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    --glow: 0 0 22px rgba(212, 175, 55, 0.18);
    --blur: 16px;
    --container: 1040px;
    --accent-green: #4caf50;
    --accent-blue: #5c9ce6;
    --accent-orange: #ff9800;
    --accent-red: #e53935;
}

/* 2. Reset & Base
   ========================================================================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
        "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

a:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* 3. Typography
   ========================================================================== */
h1, h2, h3, h4 {
    line-height: 1.4;
    font-weight: 700;
}

/* 4. Layout
   ========================================================================== */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 48px 0;
}

.section + .section {
    border-top: 1px solid var(--border);
}

.section-title {
    font-size: 24px;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
    display: inline-block;
}

.section-lead {
    font-size: 16px;
    color: var(--muted);
    margin-bottom: 24px;
    line-height: 1.8;
}

.section-note {
    font-size: 14px;
    color: var(--muted);
    margin-top: 20px;
    line-height: 1.7;
}

/* 5. Header & Navigation
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.88);
    backdrop-filter: blur(var(--blur));
    -webkit-backdrop-filter: blur(var(--blur));
    border-bottom: 1px solid var(--border);
}

.header-in {
    max-width: var(--container);
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.lp-site-link {
    color: var(--muted);
    font-size: 12px;
    margin-right: 16px;
    flex-shrink: 0;
}

.lp-site-link:hover {
    color: var(--primary);
}

.site-title {
    font-size: 16px;
    font-weight: 700;
    flex: 1;
    min-width: 0;
}

.site-title-main {
    color: var(--primary);
}

.site-title-sub {
    color: var(--muted);
    font-size: 12px;
    font-weight: 400;
}

.site-title-break {
    display: none;
}

.title-pr {
    display: none;
}

.header-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    flex-shrink: 0;
    margin-left: 16px;
}

.fanza-logo-img {
    display: block;
}

.fanza-logo-pr {
    font-size: 10px;
    color: var(--muted);
    opacity: 0.7;
}

/* Desktop Navigation */
.header-nav {
    display: flex;
    gap: 4px;
    margin-left: 24px;
    flex-shrink: 0;
}

.header-nav-link {
    padding: 6px 12px;
    font-size: 13px;
    color: var(--muted);
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
}

.header-nav-link:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: none;
    font-size: 22px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-left: 12px;
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 2000;
}

.mobile-menu.is-open {
    display: block;
}

.mobile-menu-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.mobile-menu-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: min(80vw, 300px);
    height: 100%;
    background: var(--surface);
    border-left: 1px solid var(--border);
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-menu-close {
    align-self: flex-end;
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.mobile-menu-item {
    display: block;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    font-size: 15px;
    color: var(--text);
    transition: background 0.2s;
}

.mobile-menu-item:hover {
    background: var(--surface2);
}

/* 6. Breadcrumb
   ========================================================================== */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5em;
    padding: 12px 0;
    font-size: 13px;
    color: var(--muted);
}

.breadcrumb a {
    color: var(--primary);
    transition: opacity 0.2s;
}

.breadcrumb a:hover {
    opacity: 0.7;
}

.breadcrumb-sep {
    opacity: 0.5;
}

/* 7. Hero Section
   ========================================================================== */
.hero {
    padding: 56px 0 48px;
    text-align: center;
    background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
    border-bottom: 1px solid var(--border);
}

.hero-pr-notice {
    font-size: 11px;
    color: var(--muted);
    opacity: 0.8;
    margin-bottom: 24px;
}

.hero-headline {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.hero-highlight {
    color: var(--primary);
}

.hero-subcopy {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subcopy-oneline {
    white-space: nowrap;
}

.hero-cta-group {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 8. Comparison Table
   ========================================================================== */
.comparison-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 480px;
}

.comparison-table thead th {
    background: var(--surface2);
    color: var(--primary);
    padding: 14px 16px;
    text-align: left;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
}

.comparison-table tbody td {
    padding: 14px 16px;
    font-size: 14px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.comparison-table tr.is-recommended {
    background: rgba(212, 175, 55, 0.06);
}

.comparison-table tr.is-recommended td:first-child {
    border-left: 3px solid var(--primary);
}

/* Conclusion Box */
.conclusion-box {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 20px;
    background: rgba(212, 175, 55, 0.06);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
}

.conclusion-icon {
    font-size: 24px;
    flex-shrink: 0;
    line-height: 1;
}

.conclusion-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text);
}

/* 9. Intro VR Cards
   ========================================================================== */
.intro-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 24px 0;
}

.intro-card {
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.intro-card.is-highlight {
    border-color: rgba(212, 175, 55, 0.3);
    background: rgba(212, 175, 55, 0.04);
}

.intro-card-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}

.intro-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
}

/* 10. Product Thumbnail
   ========================================================================== */
.product-thumbnail {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--surface2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    background: #fff;
}

/* 10b. Smartphone VR Product Sub-cards
   ========================================================================== */
.sp-product-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 24px 0;
}

.sp-product-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 20px;
    padding: 20px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color 0.2s;
}

.sp-product-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.sp-product-thumb {
    width: 200px;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sp-product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.sp-product-info {
    display: flex;
    flex-direction: column;
}

.sp-product-name {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text);
}

.sp-product-maker {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 8px;
}

.sp-product-desc {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 12px;
}

.sp-product-specs {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 12px;
    font-size: 13px;
    margin-bottom: 14px;
}

.sp-spec-label {
    color: var(--muted);
    opacity: 0.8;
    white-space: nowrap;
}

.sp-spec-value {
    color: var(--text);
}

.sp-product-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.sp-product-cta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.sp-product-cta .cta-button {
    padding: 8px 18px;
    font-size: 13px;
}

@media (max-width: 768px) {
    .sp-product-card {
        grid-template-columns: 1fr;
    }

    .sp-product-thumb {
        width: 100%;
        max-width: 240px;
        margin: 0 auto;
    }
}

/* 10c. Product Cards
   ========================================================================== */
.product-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    margin-bottom: 32px;
    overflow: hidden;
    transition: border-color 0.3s;
}

.product-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.product-card.is-recommended {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: var(--shadow), var(--glow);
}

.product-header {
    padding: 24px 28px 20px;
    border-bottom: 1px solid var(--border);
}

.product-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 0.02em;
}

.badge-entry {
    background: var(--accent-green);
    color: #fff;
}

.badge-recommended {
    background: var(--primary);
    color: #111;
}

.badge-privacy {
    background: var(--accent-blue);
    color: #fff;
}

.badge-premium {
    background: var(--accent-red);
    color: #fff;
}

.product-name {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
}

.product-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.product-maker {
    font-size: 13px;
    color: var(--muted);
    margin-top: 4px;
}

.product-body {
    padding: 24px 28px 28px;
}

.product-lead {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text);
}

.product-sub {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
}

.product-fit-list {
    margin-bottom: 20px;
    padding-left: 0;
}

.product-fit-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
}

.product-fit-list li::before {
    content: '•';
    position: absolute;
    left: 4px;
    color: var(--primary);
}

/* Pros / Cons Grid */
.product-pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 20px 0;
}

.pros,
.cons {
    padding: 20px;
    border-radius: var(--radius-lg);
}

.pros {
    background: rgba(76, 175, 80, 0.06);
    border: 1px solid rgba(76, 175, 80, 0.15);
}

.cons {
    background: rgba(229, 57, 53, 0.06);
    border: 1px solid rgba(229, 57, 53, 0.15);
}

.pros h4,
.cons h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 10px;
}

.pros h4 {
    color: var(--accent-green);
}

.cons h4 {
    color: var(--accent-red);
}

.pros ul,
.cons ul {
    padding-left: 0;
}

.pros li,
.cons li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
}

.pros li::before {
    content: '○';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-size: 12px;
}

.cons li::before {
    content: '△';
    position: absolute;
    left: 0;
    color: var(--accent-red);
    font-size: 12px;
}

/* Product Quote */
.product-quote {
    padding: 16px 20px;
    margin: 20px 0;
    border-left: 3px solid var(--primary);
    background: rgba(212, 175, 55, 0.04);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 14px;
    font-style: italic;
    color: var(--muted);
    line-height: 1.7;
}

/* Product CTA */
.product-cta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

/* 11. CTA Buttons & Blocks
   ========================================================================== */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    cursor: pointer;
    border: none;
}

.cta-button:hover {
    transform: translateY(-1px);
}

.cta-button:active {
    transform: translateY(0);
}

.cta-button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

.cta-primary {
    background: var(--primary);
    color: #111;
    box-shadow: var(--glow);
}

.cta-primary:hover {
    background: var(--primaryLight);
    color: #111;
}

.cta-secondary {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.cta-secondary:hover {
    background: rgba(212, 175, 55, 0.1);
    color: var(--primaryLight);
}

.cta-amazon {
    background: #ff9900;
    color: #111;
}

.cta-amazon:hover {
    background: #ffad33;
    color: #111;
}

.cta-rakuten {
    background: rgb(236, 64, 122);
    color: #fff;
}

.cta-rakuten:hover {
    background: rgb(245, 95, 148);
    color: #fff;
}

.cta-official {
    background: transparent;
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}

.cta-official:hover {
    background: rgba(92, 156, 230, 0.1);
}

/* Section CTA Block */
.section-cta {
    text-align: center;
    margin-top: 24px;
}

.section-cta-block {
    text-align: center;
    padding: 40px 0;
}

.section-cta-block .cta-button + .cta-button {
    margin-left: 10px;
}

.cta-reminder {
    font-size: 15px;
    color: var(--muted);
    margin-bottom: 16px;
}

/* 12. Buying Guide
   ========================================================================== */
.guide-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.guide-card {
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.guide-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: #111;
    font-size: 18px;
    font-weight: 700;
    border-radius: 999px;
    margin-bottom: 12px;
}

.guide-card-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.guide-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
}

/* Checklist */
.checklist {
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-top: 24px;
}

.checklist-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary);
}

.checklist-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
}

.checklist-list li::before {
    content: '☐';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* 13. FAQ Accordion
   ========================================================================== */
.faq-list {
    max-width: 800px;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    padding: 18px 0;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    transition: color 0.2s;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    color: var(--primary);
    font-size: 22px;
    font-weight: 400;
    flex-shrink: 0;
    transition: transform 0.2s;
}

.faq-item[open] .faq-question::after {
    content: '\2212';
}

.faq-question:hover {
    color: var(--primaryLight);
}

.faq-answer {
    padding: 0 0 18px;
    color: var(--muted);
    line-height: 1.8;
    font-size: 15px;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    margin-bottom: 8px;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

/* 14. Footer
   ========================================================================== */
.site-footer {
    background: #050505;
    border-top: 1px solid var(--border);
    padding: 40px 0 24px;
    margin-top: 0;
}

.footer-fanza-logo-wrap {
    text-align: center;
    margin-bottom: 16px;
}

.footer-fanza-logo-wrap a {
    display: inline-block;
}

.footer-fanza-logo-wrap a:hover {
    opacity: 0.8;
}

.footer-seo-text {
    text-align: center;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 12px;
}

.footer-disclaimer {
    text-align: center;
    font-size: 11px;
    color: var(--muted);
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: 16px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.footer-privacy {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    margin-bottom: 8px;
}

.footer-privacy-link {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-privacy-link:hover {
    color: var(--primaryLight);
}

.footer-privacy-sep {
    color: var(--muted);
    opacity: 0.5;
}

.footer-copyright {
    text-align: center;
    font-size: 12px;
    color: var(--muted);
    opacity: 0.7;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* 15. Back to Top
   ========================================================================== */
.back-to-top {
    position: fixed;
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
    z-index: 900;
    background: var(--primary);
    color: #111;
    border: 1px solid rgba(212, 175, 55, 0.6);
    box-shadow: var(--shadow), var(--glow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.25s, visibility 0.25s, transform 0.25s, background 0.2s;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primaryLight);
    color: #111;
    border-color: var(--primaryLight);
}

/* 16. Responsive: Tablet (max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .section {
        padding: 36px 0;
    }

    .section-title {
        font-size: 20px;
    }

    /* Header */
    .header-in {
        padding: 12px 16px;
    }

    .header-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: inline-flex;
    }

    .site-title {
        font-size: 14px;
    }

    .site-title-break {
        display: inline;
    }

    .site-title-sub {
        display: none;
    }

    /* Hero */
    .hero {
        padding: 40px 0 36px;
    }

    .hero-headline {
        font-size: 24px;
    }

    .hero-subcopy {
        font-size: 15px;
    }

    .hero-cta-group {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta-group .cta-button {
        width: 100%;
        max-width: 320px;
    }

    /* Intro Cards */
    .intro-cards {
        grid-template-columns: 1fr;
    }

    /* Product Cards */
    .product-header {
        padding: 20px 20px 16px;
    }

    .product-body {
        padding: 20px;
    }

    .product-name {
        font-size: 20px;
    }

    .product-pros-cons {
        grid-template-columns: 1fr;
    }

    /* Guide Cards */
    .guide-cards {
        grid-template-columns: 1fr;
    }

    /* CTA */
    .section-cta .cta-button,
    .section-cta-block .cta-button {
        display: block;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }

    .section-cta-block .cta-button + .cta-button {
        margin-left: auto;
        margin-top: 10px;
    }

    .product-cta {
        flex-direction: column;
    }

    .product-cta .cta-button {
        width: 100%;
    }
}

/* 17. Responsive: Mobile (max-width: 480px)
   ========================================================================== */
@media (max-width: 480px) {
    .hero-headline {
        font-size: 22px;
    }

    .product-name {
        font-size: 18px;
    }

    .product-price {
        font-size: 16px;
    }

    .comparison-table thead th,
    .comparison-table tbody td {
        padding: 10px 12px;
        font-size: 13px;
    }

    .faq-question {
        font-size: 15px;
    }

    .guide-card {
        padding: 20px;
    }
}

/* 18. Print
   ========================================================================== */
@media print {
    .site-header,
    .mobile-menu,
    .back-to-top,
    .cta-button,
    .product-cta,
    .section-cta,
    .section-cta-block {
        display: none;
    }

    body {
        background: #fff;
        color: #333;
    }

    .product-card,
    .intro-card,
    .guide-card,
    .checklist,
    .conclusion-box {
        border-color: #ddd;
        box-shadow: none;
    }
}