/* ========================================
   Reset & Base Styles
   ======================================== */

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

:root {
    /* Colors - Monochrome */
    --color-primary: #000000;
    --color-secondary: #1d1d1f;
    --color-tertiary: #424245;
    --color-white: #ffffff;
    --color-off-white: #f5f5f7;
    --color-light-gray: #fbfbfd;
    --color-gray: #86868b;
    --color-accent: #000000;
    --color-accent-hover: #1d1d1f;

    /* Spacing - Reduced */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 3.5rem;
    --spacing-xxl: 5rem;

    /* Typography */
    --font-primary: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
    --font-size-xs: 0.875rem;
    --font-size-sm: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.5rem;
    --font-size-xl: 2rem;
    --font-size-xxl: 3rem;
    --font-size-hero: 4.5rem;

    /* Animation */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-secondary);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-hero); }
h2 { font-size: var(--font-size-xxl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-tertiary);
}

/* ========================================
   Layout Utilities
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    z-index: 1000;
    border-bottom: none;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background-color: rgba(128, 128, 128, 0.7);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    box-shadow: var(--shadow-sm);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo .logo-text {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

/* Logo Styles */
.logo-img {
    height: 50px;
    width: auto;
    display: none;
    transition: transform var(--transition-normal);
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 700;
    padding: var(--spacing-xs) var(--spacing-md);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 2px;
    overflow: hidden;
    display: inline-block;
}

.nav-link .nav-text {
    display: inline-block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-link:hover .nav-text {
    animation: textFlyIn 0.8s ease forwards;
}

@keyframes textFlyIn {
    0% {
        opacity: 1;
        transform: translateX(0);
    }
    30% {
        opacity: 0;
        transform: translateX(60px);
    }
    31% {
        opacity: 0;
        transform: translateX(-100vw);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.header.scrolled .nav-link {
    color: var(--color-primary);
}

.header.scrolled .nav-link::before,
.header.scrolled .nav-link::after {
    background-color: var(--color-primary);
}

.header.scrolled .nav-link:hover {
    color: var(--color-primary);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-normal);
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: calc(100vh - 60px);
        background-color: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-lg) var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-slow);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
    }

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

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

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

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0;
    background: linear-gradient(135deg, #f5f5f7 0%, #ffffff 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    pointer-events: none;
    z-index: 1;
}

.hero-logo-container {
    position: relative;
    z-index: 10;
    margin-bottom: var(--spacing-md);
    width: 100%;
    max-width: 100%;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-logo-main {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.hero-logo-main:hover {
    transform: scale(1.02);
}

/* Video Controls */
.video-controls {
    position: absolute;
    bottom: 50px;
    right: 20px;
    display: flex;
    gap: 10px;
    z-index: 20;
}

.video-control-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background-color: rgba(128, 128, 128, 0.5);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.video-control-btn:hover {
    background-color: rgba(128, 128, 128, 0.7);
    transform: scale(1.1);
}

.video-control-btn svg {
    width: 24px;
    height: 24px;
}

/* Sound toggle states */
#sound-toggle .icon-unmuted {
    display: none;
}

#sound-toggle.unmuted .icon-muted {
    display: none;
}

#sound-toggle.unmuted .icon-unmuted {
    display: block;
}

/* Replay button - hidden by default */
#replay-btn {
    display: none;
}

#replay-btn.visible {
    display: flex;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .video-controls {
        bottom: 10px;
        right: 10px;
    }

    .video-control-btn {
        width: 40px;
        height: 40px;
    }

    .video-control-btn svg {
        width: 20px;
        height: 20px;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.hero-title-main {
    font-size: var(--font-size-hero);
    font-weight: 900;
    letter-spacing: -2px;
    color: var(--color-primary);
    line-height: 1.1;
}

.hero-title-sub {
    font-size: var(--font-size-xl);
    font-weight: 400;
    color: var(--color-tertiary);
    letter-spacing: 1px;
}

.hero-description {
    font-size: var(--font-size-md);
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

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

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.6;
}

.scroll-text {
    font-size: var(--font-size-xs);
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-gray), transparent);
    animation: scrollIndicator 2s ease-in-out infinite;
}

@keyframes scrollIndicator {
    0%, 100% { opacity: 0; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* Responsive Hero */
@media (max-width: 768px) {
    .hero {
        padding: 0;
    }

    .hero-logo-container {
        max-width: 100%;
        width: 100%;
        margin-bottom: var(--spacing-lg);
        padding: 0;
    }

    .hero-logo-main {
        width: 100%;
        max-width: 100%;
    }

    .hero-title-main {
        font-size: 2.5rem;
    }

    .hero-title-sub {
        font-size: var(--font-size-lg);
    }

    .hero-description {
        font-size: var(--font-size-sm);
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-decoration: none;
    white-space: nowrap;
    gap: var(--spacing-xs);
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 36px;
    font-size: var(--font-size-md);
}

@media (max-width: 768px) {
    .btn {
        width: 100%;
        padding: 14px 24px;
    }
}

/* ========================================
   Services Section
   ======================================== */

.services {
    padding: var(--spacing-lg) 0 var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.section-title {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.section-subtitle {
    font-size: var(--font-size-md);
    text-align: center;
    color: var(--color-gray);
    margin-bottom: var(--spacing-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background-color: var(--color-white);
    border-radius: 16px;
    padding: var(--spacing-md);
    transition: all var(--transition-slow);
    border: 1px solid rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.02) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 0, 0, 0.15);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
    transition: transform var(--transition-normal);
}

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

.service-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.service-description {
    font-size: var(--font-size-sm);
    color: var(--color-tertiary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-accent);
    transition: gap var(--transition-fast);
}

.service-link:hover {
    gap: var(--spacing-sm);
}

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

/* ========================================
   Features Section
   ======================================== */

.features {
    background-color: var(--color-white);
}

.feature-item {
    padding: var(--spacing-xxl) 0;
    transition: background-color var(--transition-slow);
}

.feature-item .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.feature-item.reverse .container {
    direction: rtl;
}

.feature-item.reverse .feature-content,
.feature-item.reverse .feature-visual {
    direction: ltr;
}

.feature-content {
    padding: var(--spacing-lg);
}

.feature-title {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.feature-description {
    font-size: var(--font-size-md);
    line-height: 1.8;
    color: var(--color-tertiary);
}

.feature-visual {
    position: relative;
    padding: var(--spacing-lg);
}

.visual-placeholder {
    width: 100%;
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    background-color: var(--color-off-white);
}

.visual-gradient {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
        rgba(0, 113, 227, 0.1) 0%,
        rgba(0, 113, 227, 0.05) 50%,
        transparent 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-gradient.gradient-2 {
    background: linear-gradient(225deg,
        rgba(0, 113, 227, 0.1) 0%,
        rgba(0, 113, 227, 0.05) 50%,
        transparent 100%);
}

@media (max-width: 968px) {
    .feature-item .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        display: flex;
        flex-direction: column;
    }

    .feature-item.reverse .container {
        direction: ltr;
        flex-direction: column-reverse;
    }

    .visual-placeholder {
        height: 300px;
    }
}

/* ========================================
   Stats Section
   ======================================== */

.stats {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-md);
}

.stat-number {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-number::after {
    content: '+';
    margin-left: 4px;
}

.stat-label {
    font-size: var(--font-size-md);
    color: var(--color-gray);
    font-weight: 400;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .stat-number {
        font-size: 3rem;
    }
}

/* ========================================
   CTA Section
   ======================================== */

.cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-white) 100%);
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.cta-description {
    font-size: var(--font-size-md);
    color: var(--color-tertiary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-info {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

@media (max-width: 768px) {
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-column {
    padding: var(--spacing-sm);
}

.footer-logo {
    height: 80px;
    width: auto;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
    opacity: 1;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.footer-logo:hover {
    opacity: 0.8;
    transform: scale(1.02);
}

.footer-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
}

.footer-company-info {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    line-height: 1.8;
}

.footer-heading {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-xs);
    color: var(--color-gray);
}

/* ========================================
   Animations & Reveals
   ======================================== */

.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.fade-in-delay {
    opacity: 0;
    animation: fadeIn 1s ease 0.3s forwards;
}

.fade-in-delay-2 {
    opacity: 0;
    animation: fadeIn 1s ease 0.6s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.reveal-text {
    opacity: 0;
    transform: translateY(30px);
}

.reveal-text.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all var(--transition-slow);
}

.reveal-card {
    opacity: 0;
    transform: translateY(50px);
}

.reveal-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all var(--transition-slow);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
    transition: all var(--transition-slow);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
    transition: all var(--transition-slow);
}

.reveal-section {
    opacity: 0;
    transform: translateY(30px);
}

.reveal-section.visible {
    opacity: 1;
    transform: translateY(0);
    transition: all var(--transition-slow);
}

/* ========================================
   Utility Classes
   ======================================== */

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

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ========================================
   Animation Classes - Ensure visible by default
   ======================================== */

.reveal-text,
.reveal-card,
.reveal-section,
.reveal-left,
.reveal-right,
.fade-in,
.fade-in-delay,
.fade-in-delay-2 {
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
}

/* ========================================
   Mobile Responsive Enhancements
   ======================================== */

/* モバイルでbrタグを非表示（hero-descriptionは除外） */
@media (max-width: 768px) {
    .section-lead br,
    .feature-description br,
    .cta-description br {
        display: none;
    }

    /* ヘッダー・ナビゲーション */
    .nav {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .logo-img {
        height: 40px;
    }

    /* ヒーローセクション */
    .hero {
        min-height: auto;
        padding: 0;
    }

    .hero-logo-container {
        max-width: 100%;
        width: 100%;
        margin-bottom: var(--spacing-md);
        padding: 0;
    }

    .hero-logo-main {
        width: 100%;
        max-width: 100%;
        display: block;
    }

    .hero-content {
        padding: 0 var(--spacing-xs);
    }

    .hero-title-main {
        font-size: 1.75rem;
        letter-spacing: -1px;
    }

    .hero-title-sub {
        font-size: 0.95rem;
    }

    .hero-description {
        font-size: 0.75rem;
        line-height: 1.7;
        padding: 0 var(--spacing-md);
    }

    /* セクションタイトル */
    .section-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-xs);
    }

    .section-subtitle {
        font-size: 0.875rem;
        margin-bottom: var(--spacing-md);
    }

    .section-lead {
        font-size: 0.875rem;
        line-height: 1.8;
        padding: 0 var(--spacing-xs);
    }

    /* Featuresセクション */
    .feature-item {
        padding: var(--spacing-md) 0;
    }

    .feature-item .container {
        gap: var(--spacing-md);
        padding: 0 var(--spacing-sm);
    }

    .feature-content {
        padding: var(--spacing-sm);
    }

    .feature-title {
        font-size: 1.25rem !important;
        line-height: 1.4;
        margin-bottom: var(--spacing-sm) !important;
        padding-bottom: var(--spacing-sm);
    }

    .feature-description {
        font-size: 0.875rem !important;
        line-height: 1.7 !important;
    }

    .visual-placeholder {
        height: 200px;
    }

    /* サービスセクション */
    .services {
        padding: var(--spacing-md) 0;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: var(--spacing-sm);
        padding: 0 var(--spacing-xs);
    }

    .service-card {
        padding: var(--spacing-sm) !important;
    }

    .service-icon {
        margin-bottom: var(--spacing-sm) !important;
    }

    .service-icon img {
        width: 40px !important;
        height: 40px !important;
    }

    .service-title {
        font-size: 0.75rem !important;
        margin-bottom: var(--spacing-sm) !important;
        line-height: 1.4;
    }

    .service-link {
        font-size: 0.7rem !important;
    }

    /* CTAセクション */
    .cta {
        padding: var(--spacing-md) 0;
    }

    .cta-title {
        font-size: 1.25rem;
    }

    .cta-description {
        font-size: 0.875rem;
        line-height: 1.7;
        padding: 0 var(--spacing-xs);
    }

    .cta-buttons {
        padding: 0 var(--spacing-sm);
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .cta-info {
        font-size: 0.75rem;
    }

    /* フッター */
    .footer {
        padding: var(--spacing-md) 0 var(--spacing-sm);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-column {
        padding: var(--spacing-xs);
    }

    .footer-description {
        font-size: 0.875rem;
    }

    .footer-company-info {
        font-size: 0.8rem;
        line-height: 1.6;
    }

    .footer-heading {
        font-size: 0.9rem;
        margin-bottom: var(--spacing-sm);
    }

    .footer-links li {
        margin-bottom: var(--spacing-xs);
    }

    .footer-links a,
    .footer-links li {
        font-size: 0.8rem;
    }

    .footer-bottom p {
        font-size: 0.7rem;
    }

    /* ボタン */
    .btn {
        padding: 12px 20px;
        font-size: 0.875rem;
    }

    .btn-large {
        padding: 14px 24px;
        font-size: 0.9rem;
    }

    /* コンテナ */
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* 小さいスマートフォン向け */
@media (max-width: 480px) {
    .hero-title-main {
        font-size: 1.5rem;
    }

    .hero-title-sub {
        font-size: 0.85rem;
    }

    .hero-description {
        font-size: 0.7rem;
        padding: 0 var(--spacing-xs);
    }

    .section-title {
        font-size: 1.25rem;
    }

    .feature-title {
        font-size: 1.1rem !important;
    }

    .services-grid {
        gap: var(--spacing-xs);
    }

    .service-title {
        font-size: 0.7rem !important;
    }

    .value-card {
        padding: 0.75rem;
    }

    .value-number {
        font-size: 1.5rem;
    }

    .value-title {
        font-size: 0.75rem;
    }
}