/* ═══════════════════════════════════════════════════════════
   RS SYSTEM - Page Specific Styles
   下層ページ共通スタイル
   ═══════════════════════════════════════════════════════════ */

/* --- Index Page Link Styles --- */
a.keyword-item {
    display: flex;
    text-decoration: none;
    color: inherit;
}

a.service-item {
    display: grid;
    text-decoration: none;
    color: inherit;
}

.brand-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* ═══════════════════════════════════════════════════════════
   PAGE HERO
   ═══════════════════════════════════════════════════════════ */
.page-hero {
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    grid-template-columns: 1fr;
    position: relative;
    overflow: hidden;
}

.page-hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.page-hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: calc(var(--space-2xl) + 60px) var(--space-md) var(--space-xl);
    position: relative;
    z-index: 2;
}

.page-hero-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeInUp 1s var(--ease-out-expo) 1.6s forwards;
}

.label-index {
    font-family: var(--font-display);
    font-size: 14px;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
}

.label-line {
    width: 40px;
    height: 1px;
    background: var(--color-text-subtle);
}

.label-text {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.page-hero-title {
    font-family: var(--font-display);
    font-size: clamp(56px, 16vw, 140px);
    line-height: 0.9;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-md);
}

.page-hero-title .title-line {
    display: block;
    overflow: hidden;
}

.page-hero-title .title-inner {
    display: block;
    transform: translateY(100%);
    animation: slideUp 1s var(--ease-out-expo) forwards;
}

.page-hero-title .title-line:nth-child(1) .title-inner { animation-delay: 1.7s; }
.page-hero-title .title-line:nth-child(2) .title-inner { animation-delay: 1.8s; }

.page-hero-desc {
    font-family: var(--font-jp);
    font-size: 14px;
    line-height: 2;
    color: var(--color-text-muted);
    opacity: 0;
    animation: fadeInUp 1s var(--ease-out-expo) 2s forwards;
}

.page-hero-visual {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 40%;
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.hero-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, var(--color-bg) 0%, transparent 30%, transparent 70%, var(--color-bg) 100%);
}

/* ═══════════════════════════════════════════════════════════
   INTRODUCTION SECTION
   ═══════════════════════════════════════════════════════════ */
.intro-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg);
}

.intro-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.intro-header {
    margin-bottom: var(--space-xl);
}

.intro-body {
    max-width: 800px;
}

.intro-lead {
    font-family: var(--font-jp);
    font-size: clamp(18px, 4vw, 24px);
    font-weight: 500;
    line-height: 2;
    margin-bottom: var(--space-lg);
    color: var(--color-text);
}

.intro-text {
    font-family: var(--font-jp);
    font-size: 14px;
    line-height: 2.2;
    color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════════════════════
   SERVICES DETAIL SECTION
   ═══════════════════════════════════════════════════════════ */
.services-detail-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg-elevated);
}

.services-detail-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.services-detail-header {
    margin-bottom: var(--space-xl);
}

.services-detail-grid {
    display: grid;
    gap: var(--space-lg);
}

.service-detail-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: grid;
    gap: var(--space-md);
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.service-detail-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.service-detail-num {
    font-family: var(--font-display);
    font-size: 48px;
    color: var(--color-text-subtle);
    line-height: 1;
}

.service-detail-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.service-detail-name {
    font-family: var(--font-display);
    font-size: clamp(24px, 5vw, 32px);
    letter-spacing: 0.05em;
}

.service-detail-desc {
    font-family: var(--font-jp);
    font-size: 13px;
    line-height: 1.9;
    color: var(--color-text-muted);
}

.service-detail-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs) var(--space-sm);
    margin-top: var(--space-sm);
}

.service-detail-list li {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    padding: 6px 12px;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
}

/* ═══════════════════════════════════════════════════════════
   PLATFORMS SECTION
   ═══════════════════════════════════════════════════════════ */
.platforms-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg);
}

.platforms-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.platforms-header {
    margin-bottom: var(--space-xl);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.platform-item {
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.platform-item:hover {
    border-color: var(--color-border-hover);
    background: var(--color-surface);
}

.platform-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-sm);
    color: var(--color-text);
}

.platform-icon svg {
    width: 100%;
    height: 100%;
}

.platform-name {
    font-family: var(--font-display);
    font-size: 20px;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.platform-desc {
    font-family: var(--font-jp);
    font-size: 11px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════
   RESULTS SECTION
   ═══════════════════════════════════════════════════════════ */
.results-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg-elevated);
}

.results-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.results-header {
    margin-bottom: var(--space-xl);
}

.results-subtitle {
    font-family: var(--font-jp);
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
}

.results-grid {
    display: grid;
    gap: var(--space-lg);
}

.result-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.result-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.result-visual {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.result-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform var(--duration-slow) var(--ease-out-expo);
}

.result-card:hover .result-img {
    transform: scale(1.05);
}

.result-info {
    padding: var(--space-md);
}

.result-category {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

.result-title {
    font-family: var(--font-display);
    font-size: 24px;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.result-stats {
    margin-bottom: var(--space-sm);
}

.stat-item {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
}

.stat-num {
    font-family: var(--font-display);
    font-size: 32px;
    letter-spacing: 0.02em;
}

.stat-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-muted);
}

.stat-desc {
    font-family: var(--font-jp);
    font-size: 11px;
    color: var(--color-text-subtle);
}

/* ═══════════════════════════════════════════════════════════
   STRENGTHS SECTION
   ═══════════════════════════════════════════════════════════ */
.strengths-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg);
}

.strengths-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.strengths-header {
    margin-bottom: var(--space-xl);
}

.strengths-grid {
    display: grid;
    gap: var(--space-lg);
}

.strength-item {
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.strength-item:hover {
    border-color: var(--color-border-hover);
    background: var(--color-surface);
}

.strength-num {
    font-family: var(--font-display);
    font-size: 64px;
    color: var(--color-text-subtle);
    opacity: 0.3;
    position: absolute;
    top: var(--space-sm);
    right: var(--space-md);
    line-height: 1;
}

.strength-title {
    font-family: var(--font-jp);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.strength-desc {
    font-family: var(--font-jp);
    font-size: 13px;
    line-height: 1.9;
    color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════════════════════
   FLOW SECTION
   ═══════════════════════════════════════════════════════════ */
.flow-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg-elevated);
}

.flow-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.flow-header {
    margin-bottom: var(--space-xl);
}

.flow-list {
    display: flex;
    flex-direction: column;
}

.flow-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.flow-item:first-child {
    border-top: 1px solid var(--color-border);
}

.flow-item:hover {
    padding-left: var(--space-sm);
}

.flow-num {
    font-family: var(--font-display);
    font-size: 36px;
    color: var(--color-text-subtle);
    min-width: 50px;
    transition: color var(--duration-normal);
}

.flow-item:hover .flow-num {
    color: var(--color-text);
}

.flow-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.flow-title {
    font-family: var(--font-jp);
    font-size: 18px;
    font-weight: 700;
}

.flow-desc {
    font-family: var(--font-jp);
    font-size: 13px;
    line-height: 1.8;
    color: var(--color-text-muted);
}

/* ═══════════════════════════════════════════════════════════
   OTHER SERVICES SECTION
   ═══════════════════════════════════════════════════════════ */
.other-services-section {
    padding: var(--space-xl) var(--space-md);
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.other-services-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.other-services-title {
    font-family: var(--font-display);
    font-size: 14px;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.other-services-grid {
    display: grid;
    gap: var(--space-sm);
}

.other-service-link {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.other-service-link:hover {
    background: var(--color-surface);
    border-color: var(--color-border-hover);
    padding-left: var(--space-lg);
}

.other-service-num {
    font-family: var(--font-display);
    font-size: 24px;
    color: var(--color-text-subtle);
    min-width: 40px;
}

.other-service-name {
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 0.05em;
}

.other-service-arrow {
    font-size: 18px;
    color: var(--color-text-subtle);
    transform: translateX(-10px);
    opacity: 0;
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.other-service-link:hover .other-service-arrow {
    transform: translateX(0);
    opacity: 1;
    color: var(--color-text);
}

/* ═══════════════════════════════════════════════════════════
   DESKTOP STYLES (768px+)
   ═══════════════════════════════════════════════════════════ */
@media (min-width: 768px) {
    .page-hero {
        grid-template-columns: 1fr 1fr;
    }
    
    .page-hero-content {
        padding: calc(var(--space-2xl) + 80px) var(--space-lg) var(--space-xl);
    }
    
    .page-hero-visual {
        position: relative;
        width: 100%;
        height: 100%;
    }
    
    .hero-image-overlay {
        background: linear-gradient(to right, var(--color-bg) 0%, transparent 30%, transparent 100%);
    }
    
    .page-hero-desc {
        font-size: 15px;
    }
    
    .services-detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-detail-card {
        padding: var(--space-xl);
    }
    
    .platforms-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .results-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .result-info {
        padding: var(--space-lg);
    }
    
    .strengths-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .flow-item {
        padding: var(--space-lg) 0;
    }
    
    .flow-num {
        font-size: 48px;
        min-width: 80px;
    }
    
    .flow-title {
        font-size: 20px;
    }
    
    .other-services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ═══════════════════════════════════════════════════════════
   LARGE DESKTOP (1200px+)
   ═══════════════════════════════════════════════════════════ */
@media (min-width: 1200px) {
    .page-hero-content {
        padding-left: var(--space-2xl);
    }
    
    .intro-inner {
        display: grid;
        grid-template-columns: auto 1fr;
        gap: var(--space-2xl);
        align-items: start;
    }
    
    .intro-header {
        margin-bottom: 0;
    }
    
    .service-detail-card {
        grid-template-columns: auto 1fr;
        gap: var(--space-xl);
        align-items: start;
    }
    
    .platform-item {
        padding: var(--space-xl);
    }
    
    .platform-icon {
        width: 56px;
        height: 56px;
    }
    
    .platform-name {
        font-size: 24px;
    }
    
    .strength-item {
        padding: var(--space-xl);
    }
    
    .strength-num {
        font-size: 80px;
    }
    
    .strength-title {
        font-size: 20px;
    }
}

/* ═══════════════════════════════════════════════════════════
   BRAND PAGE SPECIFIC STYLES
   ═══════════════════════════════════════════════════════════ */

/* Product Section */
.products-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg);
}

.products-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.products-header {
    margin-bottom: var(--space-xl);
}

.products-grid {
    display: grid;
    gap: var(--space-lg);
}

.product-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.product-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.product-image {
    aspect-ratio: 1/1;
    overflow: hidden;
}

.product-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform var(--duration-slow) var(--ease-out-expo);
}

.product-card:hover .product-img {
    transform: scale(1.05);
}

.product-info {
    padding: var(--space-md);
}

.product-category {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

.product-name {
    font-family: var(--font-display);
    font-size: 20px;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.product-price {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* Concept Section */
.concept-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg-elevated);
}

.concept-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.concept-content {
    display: grid;
    gap: var(--space-xl);
}

.concept-text {
    font-family: var(--font-jp);
    font-size: clamp(16px, 3vw, 20px);
    line-height: 2.2;
    color: var(--color-text-muted);
}

.concept-image {
    aspect-ratio: 16/9;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.concept-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

/* Gallery Section */
.gallery-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg);
}

.gallery-inner {
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-header {
    margin-bottom: var(--space-xl);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.gallery-item {
    aspect-ratio: 1/1;
    overflow: hidden;
    border-radius: var(--radius-md);
}

.gallery-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform var(--duration-slow) var(--ease-out-expo);
}

.gallery-item:hover .gallery-img {
    transform: scale(1.05);
}

/* Features Section */
.features-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg-elevated);
}

.features-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.features-header {
    margin-bottom: var(--space-xl);
}

.features-grid {
    display: grid;
    gap: var(--space-lg);
}

.feature-item {
    display: grid;
    gap: var(--space-md);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.feature-item:hover {
    border-color: var(--color-border-hover);
    background: var(--color-surface);
}

.feature-icon {
    width: 48px;
    height: 48px;
    color: var(--color-text);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 24px;
    letter-spacing: 0.05em;
}

.feature-desc {
    font-family: var(--font-jp);
    font-size: 13px;
    line-height: 1.9;
    color: var(--color-text-muted);
}

/* Shop Button */
.shop-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-text);
    color: var(--color-bg);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.shop-btn:hover {
    gap: var(--space-md);
    padding-right: var(--space-xl);
}

/* Reviews Section */
.reviews-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg);
}

.reviews-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.reviews-header {
    margin-bottom: var(--space-xl);
}

.reviews-grid {
    display: grid;
    gap: var(--space-lg);
}

.review-card {
    padding: var(--space-lg);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.review-stars {
    color: var(--color-text);
    font-size: 14px;
    letter-spacing: 2px;
    margin-bottom: var(--space-sm);
}

.review-text {
    font-family: var(--font-jp);
    font-size: 14px;
    line-height: 1.9;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.review-author {
    font-size: 12px;
    color: var(--color-text-subtle);
}

/* Portfolio Section */
.portfolio-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg);
}

.portfolio-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-header {
    margin-bottom: var(--space-xl);
}

.portfolio-grid {
    display: grid;
    gap: var(--space-lg);
}

.portfolio-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-out-expo);
}

.portfolio-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}

.portfolio-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform var(--duration-slow) var(--ease-out-expo);
}

.portfolio-card:hover .portfolio-img {
    transform: scale(1.02);
}

.portfolio-info {
    padding: var(--space-md);
}

.portfolio-category {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

.portfolio-title {
    font-family: var(--font-display);
    font-size: 24px;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.portfolio-desc {
    font-family: var(--font-jp);
    font-size: 13px;
    line-height: 1.8;
    color: var(--color-text-muted);
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.portfolio-tag {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    padding: 4px 10px;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
}

/* ═══════════════════════════════════════════════════════════
   APP PAGE - RS Site Launcher
   ═══════════════════════════════════════════════════════════ */

/* App Hero - 画像をcontainで収める */
.app-hero-img {
    width: 100%;
    height: 100%;
    background-size: 75%;
    background-repeat: no-repeat;
    background-position: center 60%;
}
.app-hero-mockup {
    width: 100%;
    max-width: 700px;
    background: #0b0f14;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.12);
    box-shadow: 0 30px 80px rgba(0,0,0,.6);
}
.mockup-titlebar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 14px;
    background: #080b10;
    font-size: 11px;
    color: rgba(255,255,255,.45);
}
.mockup-btns { display: flex; gap: 6px; }
.mockup-btns span {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,.15);
}
.mockup-menubar {
    display: flex;
    gap: 0;
    padding: 0 8px;
    background: #0d1117;
    border-bottom: 1px solid rgba(255,255,255,.06);
    font-size: 10px;
    color: rgba(255,255,255,.4);
}
.mockup-menubar span { padding: 5px 10px; }
.mockup-body { display: flex; min-height: 180px; }
.mockup-sidebar {
    width: 130px;
    background: #10151c;
    border-right: 1px solid rgba(255,255,255,.08);
    padding: 8px 6px;
}
.mockup-sbi {
    padding: 7px 8px;
    border-radius: 6px;
    font-size: 10px;
    color: rgba(255,255,255,.35);
    margin-bottom: 2px;
}
.mockup-sbi.active {
    background: rgba(255,255,255,.06);
    color: #fff;
    border-left: 2px solid #ff6b9d;
}
.mockup-main { flex: 1; padding: 12px; }
.mockup-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}
.mockup-page {
    padding: 10px 8px;
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 8px;
    background: rgba(255,255,255,.03);
    color: rgba(255,255,255,.7);
    font-size: 10px;
}

/* App Flow Steps */
.app-flow {
    display: grid;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}
.app-flow-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-md);
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--ease-out-expo);
}
.app-flow-step:hover {
    border-color: var(--color-border-hover);
    background: var(--color-surface);
}
.flow-step-num {
    font-family: var(--font-display);
    font-size: 48px;
    color: var(--color-text-subtle);
    line-height: 1;
    min-width: 60px;
}
.flow-step-title {
    font-family: var(--font-jp);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}
.flow-step-desc {
    font-family: var(--font-jp);
    font-size: 13px;
    line-height: 1.9;
    color: var(--color-text-muted);
}

/* Download Section */
.app-download-section {
    padding: var(--space-2xl) var(--space-md);
    background: var(--color-bg-elevated);
    text-align: center;
}
.app-download-inner {
    max-width: 700px;
    margin: 0 auto;
}
.app-download-header {
    margin-bottom: var(--space-xl);
}
.app-download-title {
    font-family: var(--font-display);
    font-size: clamp(56px, 14vw, 120px);
    line-height: 0.9;
    letter-spacing: 0.02em;
}
.app-download-title .title-line {
    display: block;
    overflow: hidden;
}
.app-download-title .title-line span {
    display: block;
}
.app-download-desc {
    font-family: var(--font-jp);
    font-size: 15px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.app-download-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: left;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}
.download-card-name {
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}
.download-card-meta {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}
.download-card-meta span {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-muted);
    padding: 4px 10px;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
}
.download-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-text);
    color: var(--color-bg);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-out-expo);
    text-decoration: none;
    flex-shrink: 0;
}
.download-btn:hover {
    gap: var(--space-md);
    padding-right: var(--space-xl);
}
.download-btn-icon {
    font-size: 18px;
    font-weight: 700;
}

.app-download-steps {
    text-align: left;
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}
.download-steps-title {
    font-family: var(--font-jp);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}
.download-steps-list {
    font-family: var(--font-jp);
    font-size: 13px;
    line-height: 2.2;
    color: var(--color-text-muted);
    padding-left: 20px;
}
.download-steps-list strong {
    color: var(--color-text);
}
.download-steps-desc {
    font-family: var(--font-jp);
    font-size: 13px;
    line-height: 1.9;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}
.manual-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    padding: 10px 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-out-expo);
    margin-top: var(--space-xs);
}
.manual-link:hover {
    border-color: var(--color-border-hover);
    background: rgba(255,255,255,.05);
    gap: var(--space-sm);
}
.manual-link-arrow {
    font-size: 14px;
    transition: transform var(--duration-fast);
}
.manual-link:hover .manual-link-arrow {
    transform: translate(2px, -2px);
}

/* App List Section */
.app-list-section {
    padding: var(--space-2xl) var(--space-md);
}
.app-list-inner {
    max-width: 1200px;
    margin: 0 auto;
}
.app-list-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}
@media (min-width: 768px) {
    .app-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
.app-list-card {
    display: block;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out-expo);
}
.app-list-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
}
.app-list-visual {
    position: relative;
    height: 220px;
    background: var(--color-surface);
    overflow: hidden;
}
.app-list-img {
    width: 100%;
    height: 100%;
    background-size: 70%;
    background-repeat: no-repeat;
    background-position: center;
    transition: transform var(--duration-slow) var(--ease-out-expo);
}
.app-list-card:hover .app-list-img {
    transform: scale(1.05);
}
.app-list-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.6) 0%, transparent 60%);
}
.app-list-num {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    font-family: var(--font-display);
    font-size: 48px;
    color: rgba(255,255,255,.15);
    line-height: 1;
}
.app-list-info {
    padding: var(--space-md) var(--space-lg) var(--space-lg);
}
.app-list-name {
    font-family: var(--font-jp);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}
.app-list-tag {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
}
.app-list-desc {
    font-family: var(--font-jp);
    font-size: 13px;
    line-height: 1.8;
    color: var(--color-text-muted);
}

/* App Divider */
.app-divider {
    padding: var(--space-xl) var(--space-md) 0;
    text-align: center;
    scroll-margin-top: 100px;
}
.app-divider-label {
    display: inline-block;
    font-family: var(--font-jp);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}

/* Komatta - Section Lead */
.komatta-section-lead {
    font-family: var(--font-jp);
    font-size: 15px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

/* Komatta - Compare Table */
.komatta-compare-table {
    overflow-x: auto;
}
.komatta-compare-table table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-jp);
    font-size: 14px;
}
.komatta-compare-table thead th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    border-bottom: 1px solid var(--color-border-hover);
    color: var(--color-text);
}
.komatta-compare-table thead th:not(:first-child) {
    text-align: center;
    width: 80px;
}
.komatta-compare-table tbody td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted);
}
.komatta-compare-table tbody td:not(:first-child) {
    text-align: center;
}

/* Komatta - FAQ Accordion */
.komatta-faq-list {
    max-width: 700px;
    margin: 0 auto;
}
.komatta-faq-item {
    border-bottom: 1px solid var(--color-border);
}
.komatta-faq-q {
    width: 100%;
    background: none;
    border: none;
    padding: 20px 0;
    text-align: left;
    cursor: pointer;
    font-family: var(--font-jp);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 12px;
}
.komatta-faq-q::before {
    content: "Q";
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.komatta-faq-q::after {
    content: "";
    margin-left: auto;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(45deg);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.komatta-faq-item.open .komatta-faq-q::after {
    transform: rotate(-135deg);
}
.komatta-faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.komatta-faq-item.open .komatta-faq-a {
    max-height: 200px;
}
.komatta-faq-a-inner {
    padding: 0 0 20px 40px;
    font-family: var(--font-jp);
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.9;
}

/* App page responsive */
@media (max-width: 767px) {
    .app-download-card {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    .download-card-meta { justify-content: center; }
    .download-btn { justify-content: center; }
}

/* Desktop for brand pages */
@media (min-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .concept-content {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .reviews-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* RS EXIF Viewer screens */
.exif-screens {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    margin-top: var(--space-md);
}
.exif-screen-item {
    background: #0f0f12;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #2e2e34;
    box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}
.exif-screen-item img {
    display: block;
    width: 100%;
    height: auto;
}
@media (min-width: 900px) {
    .exif-screens {
        grid-template-columns: 1fr 1fr;
    }
}

/* デスクトップ版カード（使い方を内包） */
.app-download-card--with-steps {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
}
.app-download-card--with-steps .download-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    flex-wrap: wrap;
}
.download-steps-inline {
    margin-top: var(--space-sm);
    padding: 20px 24px;
    border: 1.5px dashed rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
}
.download-steps-inline .download-steps-title {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}
.download-steps-inline .download-steps-list {
    margin: 0;
    padding-left: 20px;
    color: rgba(255, 255, 255, 0.65);
    font-size: 13px;
    line-height: 2;
}
.download-steps-inline .download-steps-list li {
    padding-left: 4px;
}
.download-steps-inline .download-steps-list strong {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

/* ═══════════════════════════════════════════════════════════
   MOBILE OPTIMIZATION (〜767px)
   APP系ページをスマホでガッツリ見やすく
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 767px) {

    /* ---- Page Hero ---- */
    .page-hero {
        min-height: auto;
    }
    .page-hero-content {
        padding: calc(var(--space-xl) + 60px) 20px var(--space-lg);
    }
    .page-hero-label {
        margin-bottom: var(--space-md);
    }
    .label-index { font-size: 12px; }
    .label-line { width: 28px; }
    .label-text { font-size: 10px; }

    .page-hero-title {
        font-size: clamp(44px, 13vw, 72px);
        line-height: 0.95;
        margin-bottom: var(--space-sm);
        word-break: break-word;
    }
    .page-hero-desc {
        font-size: 13px;
        line-height: 1.9;
    }
    .page-hero-visual {
        position: relative;
        width: 100%;
        height: 240px;
        margin-top: var(--space-md);
    }
    .app-hero-img {
        background-size: contain;
        background-position: center;
    }
    .hero-image-overlay {
        background: linear-gradient(to bottom, var(--color-bg) 0%, transparent 20%, transparent 80%, var(--color-bg) 100%);
    }

    /* ---- 共通セクション余白縮小 ---- */
    .intro-section,
    .features-section,
    .app-download-section,
    .app-list-section,
    .other-services-section,
    .services-detail-section,
    .platforms-section,
    .results-section,
    .strengths-section,
    .flow-section {
        padding: 60px 20px;
    }
    .intro-header,
    .features-header,
    .app-download-header,
    .services-detail-header,
    .platforms-header,
    .results-header,
    .strengths-header,
    .flow-header {
        margin-bottom: 32px;
    }

    /* ---- 大見出し（About / Features / How It Works 等） ---- */
    .section-title-lg {
        font-size: clamp(40px, 13vw, 64px);
        line-height: 0.9;
    }
    .section-index {
        font-size: 10px;
        margin-bottom: 12px;
    }

    /* ---- Intro 本文 ---- */
    .intro-lead {
        font-size: 18px;
        line-height: 1.8;
        margin-bottom: var(--space-md);
    }
    .intro-text {
        font-size: 14px;
        line-height: 2;
    }

    /* ---- Features カード ---- */
    .features-grid {
        gap: 16px;
    }
    .feature-item {
        padding: 24px 20px;
        gap: 14px;
        border-radius: 14px;
    }
    .feature-icon {
        width: 40px;
        height: 40px;
    }
    .feature-title {
        font-size: 19px;
        letter-spacing: 0.02em;
    }
    .feature-desc {
        font-size: 13.5px;
        line-height: 1.85;
    }

    /* ---- How It Works フローステップ ---- */
    .app-flow {
        gap: 14px;
        margin-top: var(--space-md);
    }
    .app-flow-step {
        grid-template-columns: 1fr;
        gap: 6px;
        padding: 22px 20px;
        border-radius: 14px;
    }
    .flow-step-num {
        font-size: 32px;
        min-width: 0;
        color: var(--color-text);
        opacity: 0.45;
    }
    .flow-step-title {
        font-size: 16px;
    }
    .flow-step-desc {
        font-size: 13px;
        line-height: 1.85;
    }

    /* ---- App List（app.html の一覧カード） ---- */
    .app-list-grid {
        gap: 20px;
    }
    .app-list-card {
        border-radius: 14px;
    }
    .app-list-visual {
        height: 180px;
    }
    .app-list-img {
        background-size: 60%;
    }
    .app-list-num {
        font-size: 36px;
        top: 12px;
        right: 14px;
    }
    .app-list-info {
        padding: 18px 20px 22px;
    }
    .app-list-name {
        font-size: 18px;
    }
    .app-list-tag {
        font-size: 10px;
        margin-bottom: 10px;
    }
    .app-list-desc {
        font-size: 13px;
        line-height: 1.8;
    }

    /* ---- Download セクション ---- */
    .app-download-title {
        font-size: clamp(44px, 14vw, 80px);
    }
    .app-download-desc {
        font-size: 14px;
        margin-bottom: var(--space-lg);
    }
    .app-download-card {
        padding: 22px 20px;
        gap: 16px;
        border-radius: 14px;
    }
    .download-card-name {
        font-size: 22px;
    }
    .download-card-meta {
        gap: 6px;
    }
    .download-card-meta span {
        font-size: 10px;
        padding: 4px 8px;
    }
    .download-btn {
        justify-content: center;
        width: 100%;
        padding: 14px 20px;
        font-size: 13px;
    }
    .app-download-card--with-steps .download-card-top {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    .app-download-card--with-steps .download-card-meta {
        justify-content: center;
    }
    .download-steps-inline {
        padding: 16px 18px;
    }
    .download-steps-inline .download-steps-list,
    .app-download-steps .download-steps-list {
        font-size: 12.5px;
        line-height: 2;
        padding-left: 18px;
    }
    .app-download-steps {
        padding: 22px 20px;
        border-radius: 14px;
    }
    .download-steps-title {
        font-size: 13px;
    }
    .download-steps-desc {
        font-size: 12.5px;
    }
    .manual-link {
        width: 100%;
        justify-content: center;
        padding: 12px 18px;
        font-size: 13px;
    }

    /* ---- Komatta 比較表：スマホはカード縦並び化 ---- */
    .komatta-compare-table {
        overflow-x: visible;
    }
    .komatta-compare-table table,
    .komatta-compare-table thead,
    .komatta-compare-table tbody,
    .komatta-compare-table tr,
    .komatta-compare-table th,
    .komatta-compare-table td {
        display: block;
        width: 100%;
    }
    .komatta-compare-table thead {
        display: none;
    }
    .komatta-compare-table tbody tr {
        display: grid;
        grid-template-columns: 1fr auto auto;
        align-items: center;
        gap: 10px;
        padding: 12px 14px;
        border: 1px solid var(--color-border);
        border-radius: 10px;
        margin-bottom: 8px;
    }
    .komatta-compare-table tbody td {
        padding: 0;
        border: none;
        font-size: 13px;
        text-align: left;
    }
    .komatta-compare-table tbody td:first-child {
        font-weight: 600;
        color: var(--color-text);
    }
    .komatta-compare-table tbody td:not(:first-child) {
        min-width: 48px;
        text-align: center;
        font-size: 11px;
        color: var(--color-text-muted);
    }
    .komatta-compare-table tbody td:nth-child(2)::before {
        content: "未登録 ";
        font-size: 10px;
        opacity: 0.6;
        margin-right: 4px;
    }
    .komatta-compare-table tbody td:nth-child(3)::before {
        content: "会員 ";
        font-size: 10px;
        opacity: 0.6;
        margin-right: 4px;
    }

    /* ---- Komatta FAQ ---- */
    .komatta-faq-q {
        font-size: 14px;
        padding: 18px 0;
        gap: 10px;
    }
    .komatta-faq-q::before {
        width: 26px;
        height: 26px;
        font-size: 12px;
    }
    .komatta-faq-item.open .komatta-faq-a {
        max-height: 400px;
    }
    .komatta-faq-a-inner {
        padding: 0 0 18px 36px;
        font-size: 13px;
        line-height: 1.85;
    }
    .komatta-section-lead {
        font-size: 14px;
    }

    /* ---- EXIF スクリーンショット ---- */
    .exif-screens {
        gap: 16px;
    }
    .exif-screen-item {
        border-radius: 10px;
    }

    /* ---- Other Services（下部のナビ） ---- */
    .other-services-title {
        font-size: 12px;
        margin-bottom: var(--space-md);
    }
    .other-services-grid {
        gap: 10px;
    }
    .other-service-link {
        grid-template-columns: auto 1fr auto;
        padding: 16px 18px;
        gap: 14px;
        border-radius: 12px;
    }
    .other-service-num {
        font-size: 18px;
        min-width: 28px;
    }
    .other-service-name {
        font-size: 16px;
        font-family: var(--font-jp);
        letter-spacing: 0;
        line-height: 1.4;
    }
    .other-service-arrow {
        font-size: 16px;
        transform: translateX(0);
        opacity: 0.6;
    }
}