/* ===========================================
   LIKaNON - Clean White Design
   CSS Stylesheet v3.0
   =========================================== */

/* ----- CSS Variables ----- */
:root {
    /* Colors - Navy & Gold Premium Theme */
    --color-bg: #ffffff;
    --color-bg-soft: #f8fafc;
    --color-bg-muted: #f1f5f9;

    --color-primary: #0f172a;
    --color-primary-light: #334155;

    --color-accent: #1e3a5f;
    --color-accent-light: #2d4a6f;
    --color-accent-dark: #0f2744;

    --color-gold: #c9a227;
    --color-gold-light: #dbb93c;
    --color-gold-dark: #a68721;

    --color-text: #0f172a;
    --color-text-light: #475569;
    --color-text-muted: #94a3b8;

    --color-white: #ffffff;
    --color-black: #000000;

    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;

    --color-success: #22c55e;
    --color-error: #ef4444;

    /* Typography */
    --font-primary: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-accent: 'Montserrat', sans-serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    background-color: var(--color-bg);
}

::selection {
    background-color: var(--color-accent);
    color: var(--color-white);
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: all var(--transition-normal);
}

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* ----- Utilities ----- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.sp-only {
    display: none;
}

.pc-only {
    display: inline;
}

.highlight {
    color: var(--color-gold);
}

/* ----- Buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.btn svg {
    transition: transform var(--transition-normal);
}

.btn:hover svg {
    transform: translateX(4px);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: var(--color-bg-soft);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-bg-muted);
    border-color: var(--color-text-muted);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-outline:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-ghost:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ----- Header ----- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.header.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem var(--container-padding);
    max-width: var(--container-max);
    margin: 0 auto;
}

.logo-text {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.logo-image {
    height: 48px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-list a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.nav-list a:hover {
    color: var(--color-accent);
}

.nav-cta {
    padding: 0.5rem 1.25rem !important;
    background-color: var(--color-accent);
    color: var(--color-white) !important;
    border-radius: var(--radius-lg);
}

.nav-cta:hover {
    background-color: var(--color-accent-dark);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    padding: 4px 0;
    z-index: 1002;
}

.hamburger span {
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-normal);
}

/* ----- Hero Section ----- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    background: linear-gradient(180deg, var(--color-bg-soft) 0%, var(--color-bg) 100%);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.hero-content {
    /* Animation handled per-element below */
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.375rem 0.875rem;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
}

.hero-sub {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

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

.hero-description {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image-wrapper::before {
    content: '';
    display: block;
    padding-top: 75%;
}

.hero-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent-dark) 100%);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-border);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-family: var(--font-accent);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-suffix {
    font-size: 1.25rem;
    color: var(--color-gold);
}

.stat-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-xs);
}

/* ----- Sections ----- */
.section {
    padding: var(--spacing-5xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-sub {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.9;
}

/* ----- Service Section ----- */
.service {
    background: var(--color-bg);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card.main {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border: none;
    color: var(--color-white);
}

.service-card.main .service-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.service-card.main h3 {
    color: var(--color-white);
}

.service-card.main p {
    color: rgba(255, 255, 255, 0.9);
}

.service-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-soft);
    border-radius: var(--radius-lg);
    color: var(--color-accent);
}

.service-icon svg {
    width: 24px;
    height: 24px;
}

.service-card h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.service-features li {
    padding: 0.25rem 0.625rem;
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.service-card.main .service-features li {
    background: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-white);
}

/* ----- Portfolio Section ----- */
.portfolio {
    background: var(--color-bg-soft);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-light);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.filter-btn:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.filter-btn.active {
    color: var(--color-white);
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-bg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-accent);
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    color: var(--color-primary);
    border-radius: 50%;
    transform: scale(0.8);
    transition: all var(--transition-normal);
}

.portfolio-item:hover .portfolio-btn {
    transform: scale(1);
}

.portfolio-btn:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

.portfolio-info {
    padding: var(--spacing-lg);
}

.portfolio-category {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
    display: block;
}

.portfolio-info h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.portfolio-info p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

.portfolio-cta {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

/* Portfolio Category Sections */
.portfolio-category-section {
    margin-bottom: var(--spacing-4xl);
}

.portfolio-category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-family: var(--font-accent);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.category-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    border-radius: var(--radius-lg);
}

.category-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-white);
}

.portfolio-category-desc {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    padding-left: 56px;
}

/* Design Gallery */
.design-gallery {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-md);
}

.gallery-item {
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent-dark) 100%);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
    padding: var(--spacing-sm);
}

/* Web Works Grid */
.web-works-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.web-work-item {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.web-work-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.web-work-image {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: linear-gradient(90deg, #f0f0f0 25%, #e8e8e8 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    position: relative;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.web-work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform var(--transition-slow), opacity 0.3s ease;
    opacity: 0;
}

.web-work-image img.loaded {
    opacity: 1;
}

.web-work-image.loaded {
    animation: none;
    background: var(--color-bg-muted);
}

.web-work-item:hover .web-work-image img {
    transform: scale(1.03);
}

.web-work-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #f1f3f5 0%, #e9ecef 100%);
    padding: var(--spacing-xl);
}

.browser-mockup {
    width: 100%;
    max-width: 280px;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.browser-header {
    display: flex;
    gap: 6px;
    padding: 10px 12px;
    background: var(--color-bg-muted);
    border-bottom: 1px solid var(--color-border);
}

.browser-header span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
}

.browser-header span:nth-child(1) { background: #ff5f57; }
.browser-header span:nth-child(2) { background: #febc2e; }
.browser-header span:nth-child(3) { background: #28c840; }

.browser-content {
    padding: var(--spacing-2xl) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent-dark) 100%);
    color: var(--color-white);
    font-family: var(--font-accent);
    font-size: 0.875rem;
    font-weight: 500;
}

.web-work-info {
    padding: var(--spacing-md);
}

.web-work-tag {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gold-dark);
    background: rgba(201, 162, 39, 0.12);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-xs);
}

.web-work-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0;
}

.web-work-info p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .design-gallery {
        grid-template-columns: repeat(4, 1fr);
    }

    .web-works-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .design-gallery {
        grid-template-columns: repeat(3, 1fr);
    }

    .web-works-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-category-desc {
        padding-left: 0;
    }

    .portfolio-category-title {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .design-gallery {
        grid-template-columns: repeat(2, 1fr);
    }

    .web-works-grid {
        grid-template-columns: 1fr;
    }
}

/* ----- Web Production Section ----- */
.web-production {
    background: var(--color-bg);
}

.comparison {
    margin-bottom: var(--spacing-4xl);
}

.comparison-title {
    text-align: center;
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-2xl);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.comparison-item {
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

.comparison-item.pro {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.03) 0%, rgba(45, 74, 111, 0.03) 100%);
    border-color: var(--color-gold);
}

.comparison-item.general {
    background: var(--color-bg-soft);
}

.comparison-header {
    margin-bottom: var(--spacing-lg);
}

.badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge.pro {
    background: var(--color-accent);
    color: var(--color-white);
}

.badge.general {
    background: var(--color-bg-muted);
    color: var(--color-text-light);
}

.comparison-list li {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
}

.comparison-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.comparison-list strong {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.comparison-item.general .comparison-list strong {
    color: var(--color-text-light);
}

.comparison-list p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Features */
.features-title {
    text-align: center;
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-2xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-soft);
    border-radius: var(--radius-xl);
    position: relative;
    transition: all var(--transition-normal);
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-number {
    font-family: var(--font-accent);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.15;
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-lg);
    line-height: 1;
}

.feature-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ----- Renewal Section ----- */
.renewal {
    background: var(--color-bg-soft);
}

.renewal-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.renewal-problems,
.renewal-solution {
    padding: var(--spacing-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.renewal-problems h3,
.renewal-solution h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.renewal-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.renewal-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.9375rem;
    color: var(--color-text);
    padding: var(--spacing-sm) 0;
}

.renewal-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fef3c7;
    border-radius: 50%;
}

.renewal-icon svg {
    width: 16px;
    height: 16px;
    color: #f59e0b;
}

.renewal-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.renewal-feature {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.renewal-feature-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    border-radius: 50%;
}

.renewal-feature-icon svg {
    width: 18px;
    height: 18px;
    color: var(--color-white);
}

.renewal-feature strong {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.renewal-feature p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .renewal-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

/* ----- Merit Section ----- */
.merit {
    background: var(--color-bg-soft);
}

.merit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.merit-card {
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.merit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.merit-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.merit-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

.merit-card h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.merit-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

.merit-card strong {
    color: var(--color-gold);
}

/* ----- Support Section ----- */
.support {
    background: var(--color-bg);
}

.support-badge {
    display: inline-block;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-xl);
    color: var(--color-white);
    font-size: 0.9375rem;
    line-height: 1.6;
    text-align: center;
}

.support-badge span {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.support-card {
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.support-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.support-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.support-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

.support-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.support-list {
    margin-bottom: var(--spacing-lg);
}

.support-list li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text);
}

.support-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    background: var(--color-accent);
    border-radius: 50%;
}

.support-note {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-soft);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.7;
    font-weight: 500;
}

/* Support Problems */
.support-problems {
    background: var(--color-bg-soft);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
    text-align: center;
}

.support-problems-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
}

.support-problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.support-problem-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.problem-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fef3c7;
    border-radius: 50%;
}

.problem-icon svg {
    width: 14px;
    height: 14px;
    color: #f59e0b;
}

.support-problem-item p {
    font-size: 0.875rem;
    color: var(--color-text);
    margin: 0;
    text-align: left;
}

.support-problems-cta {
    font-size: 1.125rem;
    color: var(--color-text);
    margin: 0;
}

.support-problems-cta strong {
    color: var(--color-gold);
}

/* Support Reasons */
.support-reasons {
    margin-top: var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.03) 0%, rgba(45, 74, 111, 0.03) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gold);
}

.support-reasons-title {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
}

.support-reasons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.support-reason {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.reason-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    font-family: var(--font-accent);
    font-size: 0.875rem;
    font-weight: 700;
}

.reason-content strong {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.reason-content p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 768px) {
    .support-problems-grid {
        grid-template-columns: 1fr 1fr;
    }

    .support-reasons-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .support-problems-grid {
        grid-template-columns: 1fr;
    }
}

/* ----- SNS Section ----- */
.sns-section {
    background: var(--color-bg-soft);
}

.sns-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.sns-main h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.4;
}

.sns-philosophy {
    margin-bottom: var(--spacing-xl);
}

.sns-philosophy p {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 2;
    margin-bottom: var(--spacing-md);
}

.sns-highlight {
    padding: var(--spacing-lg);
    background: var(--color-bg-soft);
    border-radius: var(--radius-lg);
}

.sns-highlight p {
    font-size: 0.9375rem;
    color: var(--color-primary);
    font-weight: 500;
    line-height: 1.8;
    margin: 0;
}

.sns-services {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sns-service-card {
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
}

.sns-service-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-accent);
}

.sns-service-card h4 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sns-service-card h4 .icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f09433 0%, #dc2743 50%, #bc1888 100%);
    border-radius: var(--radius-md);
    color: var(--color-white);
}

.sns-service-card h4 .icon svg {
    width: 18px;
    height: 18px;
}

.sns-service-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.sns-service-card ul {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.sns-service-card ul li {
    padding: 0.25rem 0.75rem;
    background: var(--color-bg-soft);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* ----- Other Services Section ----- */
.other-services {
    background: var(--color-bg);
}

.other-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.other-card {
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    text-align: center;
}

.other-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.other-visual {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
}

.other-visual svg {
    width: 28px;
    height: 28px;
    color: var(--color-white);
}

.other-visual.instagram {
    background: linear-gradient(135deg, #f09433 0%, #dc2743 50%, #bc1888 100%);
}

.other-visual.image-edit {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.other-visual.video {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.other-visual.logo {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.other-card h3 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.other-card p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.other-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
}

.other-list li {
    padding: 0.25rem 0.625rem;
    background: var(--color-bg-soft);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--color-text-light);
}

/* SNS Feature Card (Instagram) */
.other-card.sns-feature {
    grid-column: 1 / -1;
    text-align: left;
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.other-card.sns-feature .other-visual {
    margin: 0;
    width: 80px;
    height: 80px;
}

.other-card.sns-feature .other-visual svg {
    width: 36px;
    height: 36px;
}

.other-card.sns-feature h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.other-card.sns-feature .sns-philosophy {
    margin-top: var(--spacing-sm);
}

.other-card.sns-feature .sns-lead {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.9;
    margin-bottom: var(--spacing-lg);
}

.other-card.sns-feature .sns-lead strong {
    color: var(--color-gold);
}

.sns-points {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.sns-point {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.sns-point-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    border-radius: 50%;
    margin-top: 2px;
}

.sns-point-icon svg {
    width: 14px;
    height: 14px;
    color: var(--color-white);
}

.sns-point p {
    font-size: 0.9375rem;
    color: var(--color-text);
    line-height: 1.8;
}

.sns-point p strong {
    color: var(--color-gold);
}

.sns-note {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-soft);
    border-radius: var(--radius-md);
}

.sns-note p {
    font-size: 0.875rem;
    color: var(--color-text);
    line-height: 1.8;
    margin: 0;
    font-weight: 500;
}

.sns-note p strong {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .other-card.sns-feature {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .other-card.sns-feature .other-visual {
        margin: 0 auto var(--spacing-lg);
    }

    .sns-point {
        text-align: left;
    }
}

/* ----- CTA Section ----- */
.cta {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    text-align: center;
    color: var(--color-white);
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.cta .btn-primary {
    background: var(--color-white);
    color: var(--color-accent);
}

.cta .btn-primary:hover {
    background: var(--color-bg-soft);
    box-shadow: var(--shadow-lg);
}

/* ----- Contact Section ----- */
.contact {
    background: var(--color-bg-soft);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-form {
    padding: var(--spacing-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.15);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23636e72' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 16px;
    padding-right: 3rem;
}

.contact-info {
    position: sticky;
    top: 100px;
}

.contact-info-item {
    margin-bottom: var(--spacing-xl);
}

.contact-info-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.contact-info-item > p {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.contact-method svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-method strong {
    display: block;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-method p {
    font-size: 0.9375rem;
    color: var(--color-primary);
}

/* ----- Footer ----- */
.footer {
    background: linear-gradient(180deg, var(--color-primary) 0%, #0a1628 100%);
    color: var(--color-white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

/* Footer Profile */
.footer-profile {
    padding-bottom: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-profile-inner {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-2xl);
}

.footer-logo {
    height: 56px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    flex-shrink: 0;
}

.footer-profile-content {
    flex: 1;
}

.footer-profile-text {
    font-size: 0.9375rem;
    line-height: 1.9;
    opacity: 0.85;
    margin-bottom: var(--spacing-xl);
}

.footer-profile-text strong {
    color: var(--color-gold);
    font-weight: 600;
}

.footer-profile-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

.footer-stat {
    text-align: center;
}

.footer-stat-number {
    display: block;
    font-family: var(--font-accent);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.footer-stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.6;
}

/* Blog Preview Section */
.blog-preview {
    background: var(--color-bg);
}

.blog-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.blog-preview-card {
    display: block;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.blog-preview-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.blog-preview-content {
    padding: var(--spacing-xl);
}

.blog-preview-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-gold);
    background: var(--color-gold-light);
    padding: 0.25em 0.75em;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-sm);
}

.blog-preview-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-navy);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.blog-preview-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.blog-preview-cta {
    text-align: center;
}

@media (max-width: 768px) {
    .blog-preview-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .blog-preview-card {
        display: flex;
        flex-direction: row;
        align-items: stretch;
    }

    .blog-preview-content {
        padding: var(--spacing-md);
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .blog-preview-card h3 {
        font-size: 0.9375rem;
    }

    .blog-preview-card p {
        display: none;
    }
}

/* Footer Navigation */
.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-nav-column h4 {
    font-family: var(--font-accent);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
}

.footer-nav-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-nav-column a {
    font-size: 0.875rem;
    opacity: 0.65;
    transition: all var(--transition-fast);
}

.footer-nav-column a:hover {
    opacity: 1;
    color: var(--color-gold-light);
}

/* Footer Bottom */
.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    opacity: 0.4;
    letter-spacing: 0.05em;
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-visual {
        display: block;
    }

    .hero-stats {
        justify-content: center;
        margin-top: var(--spacing-xl);
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-card.main {
        grid-column: span 2;
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .merit-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .support-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sns-content {
        grid-template-columns: 1fr;
    }

    .other-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-info {
        position: static;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .sp-only {
        display: inline;
    }

    .pc-only {
        display: none;
    }

    /* Body padding for fixed footer */
    body {
        padding-bottom: 70px;
    }

    /* Header - SPではナビ非表示、追従フッターで対応 */
    .nav {
        display: none;
    }

    .hamburger {
        display: none;
    }

    /* Hero */
    .hero {
        padding: 6rem 0 3rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-stats {
        flex-wrap: nowrap;
        gap: var(--spacing-md);
        justify-content: center;
    }

    .stat-item {
        text-align: center;
        flex: 0 0 auto;
        white-space: nowrap;
    }

    .stat-number {
        font-size: 1.5rem;
        display: inline;
    }

    .stat-suffix {
        font-size: 1rem;
        display: inline;
    }

    .stat-label {
        font-size: 0.6875rem;
        display: block;
        white-space: nowrap;
    }

    /* Sections */
    .section {
        padding: var(--spacing-3xl) 0;
    }

    /* Service */
    .service-grid {
        grid-template-columns: 1fr;
    }

    .service-card.main {
        grid-column: span 1;
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    /* Comparison */
    .comparison-grid {
        grid-template-columns: 1fr;
    }

    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
    }

    /* Merit */
    .merit-grid {
        grid-template-columns: 1fr;
    }

    /* Support */
    .support-grid {
        grid-template-columns: 1fr;
    }

    /* Other */
    .other-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-profile-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-profile-stats {
        justify-content: center;
    }

    .footer-nav {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* ----- Animations ----- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation for grid items */
.fade-in:nth-child(1) { transition-delay: 0s; }
.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }
.fade-in:nth-child(4) { transition-delay: 0.3s; }
.fade-in:nth-child(5) { transition-delay: 0.4s; }
.fade-in:nth-child(6) { transition-delay: 0.5s; }

/* Slide animations */
.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Scale animation */
.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Hero animations */
@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-sub {
    animation: heroFadeIn 0.6s ease-out 0.1s both;
}

.hero-title {
    animation: heroFadeIn 0.6s ease-out 0.2s both;
}

.hero-description {
    animation: heroFadeIn 0.6s ease-out 0.3s both;
}

.hero-buttons {
    animation: heroFadeIn 0.6s ease-out 0.4s both;
}

.hero-stats {
    animation: heroFadeIn 0.6s ease-out 0.5s both;
}

/* Highlight text animation */
.hero-title .highlight {
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--color-accent-light);
    opacity: 0.4;
    transform: scaleX(0);
    transform-origin: left;
    animation: highlightExpand 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.2s forwards;
    z-index: -1;
}

@keyframes highlightExpand {
    to {
        transform: scaleX(1);
    }
}

/* Button hover effects */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

/* Card hover animations */
.service-card,
.portfolio-item,
.merit-card,
.support-card,
.other-card,
.renewal-problems,
.renewal-solution {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.service-card:hover,
.portfolio-item:hover,
.merit-card:hover,
.support-card:hover,
.other-card:hover,
.renewal-problems:hover,
.renewal-solution:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* Icon pulse animation */
.service-icon,
.merit-icon,
.support-icon,
.renewal-feature-icon {
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon,
.merit-card:hover .merit-icon,
.support-card:hover .support-icon {
    transform: scale(1.1);
}

/* Stats counter animation */
.stat-item {
    animation: statFadeIn 0.5s ease-out both;
}

.stat-item:nth-child(1) { animation-delay: 0.6s; }
.stat-item:nth-child(2) { animation-delay: 0.7s; }
.stat-item:nth-child(3) { animation-delay: 0.8s; }

@keyframes statFadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Floating animation for badges */
.support-badge {
    animation: floatBadge 3s ease-in-out infinite;
}

@keyframes floatBadge {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Section title underline animation */
.section-title {
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    transform: translateX(-50%) scaleX(0);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.section-title.visible::after {
    transform: translateX(-50%) scaleX(1);
}

/* Smooth scroll indicator */
@keyframes scrollBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

/* Loading animation - removed to ensure content is always visible */

/* Gallery hidden/show states */
.gallery-item.gallery-hidden {
    display: none;
}

.gallery-item.gallery-show {
    display: block;
    animation: galleryFadeIn 0.4s ease forwards;
}

@keyframes galleryFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Gallery more button */
.gallery-more {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.gallery-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.gallery-toggle .toggle-icon {
    transition: transform var(--transition-normal);
}

.gallery-toggle.expanded .toggle-icon {
    transform: rotate(180deg);
}

/* ----- Back to Top Button ----- */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.375rem;
    color: var(--color-text-light);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}

.back-to-top-arrow {
    width: 1px;
    height: 40px;
    background: var(--color-text-muted);
    position: relative;
    transition: all 0.3s ease;
}

.back-to-top-arrow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%) rotate(-45deg);
    width: 8px;
    height: 8px;
    border-top: 1px solid var(--color-text-muted);
    border-left: 1px solid var(--color-text-muted);
    transition: all 0.3s ease;
}

.back-to-top-text {
    font-family: var(--font-accent);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    writing-mode: vertical-rl;
    transition: all 0.3s ease;
}

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

.back-to-top:hover {
    color: var(--color-gold);
}

.back-to-top:hover .back-to-top-arrow {
    background: var(--color-gold);
    height: 50px;
}

.back-to-top:hover .back-to-top-arrow::before {
    border-color: var(--color-gold);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 1.5rem;
        right: 1rem;
    }

    .back-to-top-arrow {
        height: 32px;
    }

    .back-to-top-text {
        font-size: 0.5625rem;
    }
}

/* ----- Annual Badge ----- */
.annual-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--color-white);
    background: var(--color-gold);
    border-radius: var(--radius-full);
    margin-left: var(--spacing-sm);
    vertical-align: middle;
    letter-spacing: 0.02em;
}

/* ----- Ginza Dan Placeholder ----- */
.web-work-placeholder.ginza-dan {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2c1810 0%, #1a0f08 100%);
    padding: var(--spacing-xl);
}

.web-work-placeholder.ginza-dan .browser-mockup {
    max-width: 320px;
}

.web-work-placeholder.ginza-dan .browser-content {
    background: linear-gradient(135deg, #d4a574 0%, #8b6914 100%);
    font-family: "Yu Mincho", "游明朝", serif;
    font-size: 1.25rem;
    letter-spacing: 0.3em;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

/* ----- Mobile Fixed Footer Navigation ----- */
.mobile-fixed-footer {
    display: none;
}

@media (max-width: 768px) {
    .mobile-fixed-footer {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 64px;
        background: var(--color-white);
        border-top: 1px solid var(--color-border);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
        z-index: 1000;
    }

    .mobile-fixed-footer a {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        color: var(--color-text-light);
        font-size: 0.5625rem;
        font-weight: 500;
        text-decoration: none;
        transition: all var(--transition-fast);
        padding: 0 2px;
    }

    .mobile-fixed-footer a:active {
        background: var(--color-bg-soft);
    }

    .mobile-fixed-footer a svg {
        width: 20px;
        height: 20px;
        stroke-width: 1.5;
    }

    .mobile-fixed-footer a.highlight-cta {
        color: var(--color-white);
        background: var(--color-accent);
    }

    .mobile-fixed-footer a.highlight-cta svg {
        stroke: var(--color-white);
    }

    .mobile-fixed-footer a.active {
        color: var(--color-gold);
    }

    .mobile-fixed-footer a.active svg {
        stroke: var(--color-gold);
    }

    /* Instagram colored icon */
    .mobile-fixed-footer a.instagram-link {
        color: #E1306C;
    }

    .mobile-fixed-footer a.instagram-link svg {
        stroke-width: 2;
    }

    /* Adjust back-to-top button position */
    .back-to-top {
        bottom: 80px;
        right: 1rem;
    }
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.lightbox-close svg {
    stroke: var(--color-white);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Gallery item cursor */
.gallery-item {
    cursor: pointer;
}

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