/* ==========================================
   Ligareve - Corporate Website Styles
   温度のあるモダンテック × ティールアクセント
   ========================================== */

/* ==========================================
   Variables & Reset
   ========================================== */
:root {
    /* Color Palette */
    --color-dark-bg: #0F1214;
    --color-dark-bg-alt: #111418;
    --color-light-bg: #F5F7FA;
    --color-white: #FFFFFF;
    --color-teal: #14B8A6;
    --color-teal-light: #2DD4BF;
    --color-teal-glow: rgba(20, 184, 166, 0.4);
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-accent: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.7;
    color: var(--color-gray-800);
    overflow-x: hidden;
    background: var(--color-white);
}

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

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

ul {
    list-style: none;
}

/* ==========================================
   Particles Canvas
   ========================================== */
#particles-canvas,
.particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 1;
    opacity: 1;
    display: block;
}

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

section {
    position: relative;
}

/* Content elements above particles */
section:not(.hero) .section-title,
section:not(.hero) .section-subtitle,
section:not(.hero) .service-card,
section:not(.hero) .work-item,
section:not(.hero) .cta-content,
section:not(.hero) p,
section:not(.hero) h2,
section:not(.hero) h3,
section:not(.hero) .btn {
    position: relative;
    z-index: 10;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
    letter-spacing: -0.02em;
}

/* ==========================================
   Header & Navigation
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 18, 20, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
}

.logo a {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.05em;
}

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

.nav-menu a {
    color: var(--color-white);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition-normal);
}

.nav-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-cta {
    background: linear-gradient(135deg, var(--color-teal), var(--color-teal-light));
    color: var(--color-white) !important;
    padding: 0.6rem 1.5rem !important;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(20, 184, 166, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
    position: relative;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-dark-bg) 0%, var(--color-dark-bg-alt) 100%);
    overflow: hidden;
    padding-top: 80px;
}

/* Hero Background Effects */
.hero-bg-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.teal-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-teal), transparent);
    opacity: 0.3;
    animation: flowLine 8s ease-in-out infinite;
}

.teal-line.line-1 {
    top: 20%;
    width: 60%;
    left: -60%;
    animation-delay: 0s;
}

.teal-line.line-2 {
    top: 50%;
    width: 70%;
    right: -70%;
    animation-delay: 2s;
}

.teal-line.line-3 {
    top: 80%;
    width: 50%;
    left: -50%;
    animation-delay: 4s;
}

@keyframes flowLine {
    0%, 100% {
        transform: translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateX(200%);
        opacity: 0;
    }
}

/* Glass Panels */
.glass-panel {
    position: absolute;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    z-index: 1;
    animation: floatPanel 6s ease-in-out infinite;
}

.glass-panel.panel-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.glass-panel.panel-2 {
    width: 200px;
    height: 200px;
    bottom: 15%;
    left: 5%;
    animation-delay: 2s;
}

.glass-panel.panel-3 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 20%;
    animation-delay: 4s;
}

@keyframes floatPanel {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-text {
    opacity: 1;
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.2), rgba(45, 212, 191, 0.1));
    border: 1px solid rgba(20, 184, 166, 0.4);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-teal-light);
    margin-bottom: var(--spacing-sm);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    animation: fadeInUp 1s ease forwards, pulse 2s ease infinite;
    animation-delay: 0.2s;
}

.badge-icon {
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--color-teal);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(20, 184, 166, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(20, 184, 166, 0.6);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    font-family: 'Noto Serif JP', serif;
    color: var(--color-white);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.5s;
}

.title-line:nth-child(2) {
    animation-delay: 0.7s;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

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

.stat-item:nth-child(2) {
    animation-delay: 0.9s;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-teal-light);
    font-family: var(--font-accent);
    line-height: 1;
    margin-bottom: 0.3rem;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    opacity: 1;
}

/* Tech Stack */
.tech-stack {
    display: flex;
    gap: 0.6rem;
    margin-bottom: var(--spacing-md);
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
}

.tech-stack::-webkit-scrollbar {
    display: none;
}

.tech-item {
    padding: 0.5rem 1rem;
    background: rgba(20, 184, 166, 0.1);
    border: 1px solid rgba(20, 184, 166, 0.3);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-teal-light);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    transition: all var(--transition-normal);
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    white-space: nowrap;
    flex-shrink: 0;
}

.tech-item:nth-child(1) { animation-delay: 0.7s; }
.tech-item:nth-child(2) { animation-delay: 0.8s; }
.tech-item:nth-child(3) { animation-delay: 0.9s; }
.tech-item:nth-child(4) { animation-delay: 1s; }
.tech-item:nth-child(5) { animation-delay: 1.1s; }

.tech-item:hover {
    background: rgba(20, 184, 166, 0.2);
    border-color: var(--color-teal);
    transform: translateY(-2px);
}

.mockup-container {
    perspective: 1000px;
    position: relative;
}

.mockup {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 50px rgba(20, 184, 166, 0.2);
}

/* Main Desktop Mockup */
.main-mockup {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 16/10;
    padding: 0;
    transform: rotateY(-15deg) rotateX(5deg);
    animation: float 3s ease-in-out infinite, glow 4s ease-in-out infinite;
    transition: transform 0.3s ease;
}

.main-mockup:hover {
    transform: rotateY(-10deg) rotateX(3deg) translateY(-10px);
    animation: floatHover 2s ease-in-out infinite, glowIntense 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        box-shadow: 
            0 20px 60px rgba(0, 0, 0, 0.5),
            0 0 50px rgba(20, 184, 166, 0.2);
    }
    50% {
        box-shadow: 
            0 25px 70px rgba(0, 0, 0, 0.6),
            0 0 80px rgba(20, 184, 166, 0.4);
    }
}

@keyframes glowIntense {
    0%, 100% {
        box-shadow: 
            0 25px 70px rgba(0, 0, 0, 0.6),
            0 0 100px rgba(20, 184, 166, 0.6);
    }
    50% {
        box-shadow: 
            0 30px 80px rgba(0, 0, 0, 0.7),
            0 0 120px rgba(20, 184, 166, 0.8);
    }
}

@keyframes floatHover {
    0%, 100% {
        transform: rotateY(-10deg) rotateX(3deg) translateY(-10px);
    }
    50% {
        transform: rotateY(-10deg) rotateX(3deg) translateY(-15px);
    }
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px 20px 0 0;
}

.mockup-dots {
    display: flex;
    gap: 0.4rem;
}

.mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.mockup-dots span:nth-child(1) { 
    background: #FF5F56;
    animation: pulse 2s ease-in-out infinite;
    animation-delay: 0s;
}

.mockup-dots span:nth-child(2) { 
    background: #FFBD2E;
    animation: pulse 2s ease-in-out infinite;
    animation-delay: 0.3s;
}

.mockup-dots span:nth-child(3) { 
    background: #27C93F;
    animation: pulse 2s ease-in-out infinite;
    animation-delay: 0.6s;
}

.mockup-url {
    flex: 1;
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    font-family: monospace;
}

@keyframes float {
    0%, 100% {
        transform: rotateY(-15deg) rotateX(5deg) translateY(0);
    }
    50% {
        transform: rotateY(-15deg) rotateX(5deg) translateY(-10px);
    }
}

.mockup-screen {
    width: 100%;
    height: calc(100% - 50px);
    background: linear-gradient(135deg, #1a1d23, #0d0f12);
    border-radius: 0 0 20px 20px;
    position: relative;
    overflow: hidden;
    padding: 1.5rem 1rem;
}

.mockup-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(20, 184, 166, 0.4), transparent);
    animation: shine 4s ease-in-out infinite;
}

.mockup-screen::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes shine {
    0% {
        left: -100%;
    }
    50%, 100% {
        left: 100%;
    }
}

/* Code Lines in Mockup */
.code-lines{
    padding-left: 1.5rem; 
  }
  
.code-lines {
    position: relative;
    z-index: 2;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
}

.code-line {
    opacity: 0;
    animation: typeIn 0.8s ease forwards;
    position: relative;
    overflow: hidden;
    color: #FFFFFF;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    white-space: nowrap;
}

.code-line:nth-child(1) { animation-delay: 1.2s; }
.code-line:nth-child(2) { animation-delay: 1.4s; }
.code-line:nth-child(3) { animation-delay: 1.6s; }
.code-line:nth-child(4) { animation-delay: 1.8s; }
.code-line:nth-child(5) { animation-delay: 2.0s; }

@keyframes typeIn {
    0% {
        opacity: 0;
        max-width: 0;
    }
    1% {
        opacity: 1;
        max-width: 0;
    }
    100% {
        opacity: 1;
        max-width: 100%;
    }
}

.code-tag { 
    color: #FF79C6;
    text-shadow: 0 0 8px rgba(255, 121, 198, 0.5);
}

.code-attr { 
    color: #50FA7B;
    text-shadow: 0 0 8px rgba(80, 250, 123, 0.5);
}

.code-value { 
    color: #F1FA8C;
    text-shadow: 0 0 8px rgba(241, 250, 140, 0.5);
}

/* カーソル点滅エフェクト */
.code-line:last-child::after {
    content: '|';
    color: var(--color-teal);
    animation: blink 1s step-end infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

@keyframes logoFloat {
    0%, 100% { 
        transform: translateY(0px);
    }
    50% { 
        transform: translateY(-10px);
    }
}

/* Mobile Mockup */
.mobile-mockup {
    position: absolute;
    width: 120px;
    height: 240px;
    bottom: -20px;
    right: -30px;
    background: var(--color-dark-bg-alt);
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 8px;
    transform: rotateY(0deg) rotateZ(0deg);
    animation: floatMobile 3.5s ease-in-out infinite;
    animation-delay: 0.5s;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

@keyframes floatMobile {
    0%, 100% {
        transform: rotateY(0deg) rotateZ(0deg) translateY(0);
    }
    50% {
        transform: rotateY(0deg) rotateZ(0deg) translateY(-15px);
    }
}

.mobile-notch {
    width: 50px;
    height: 18px;
    background: var(--color-dark-bg);
    margin: 0 auto 5px;
    border-radius: 0 0 12px 12px;
}

.mobile-screen {
    width: 100%;
    height: calc(100% - 25px);
    background: var(--color-dark-bg);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.mobile-logo {
    width: 80%;
    height: auto;
    object-fit: contain;
    animation: logoFloat 3s ease-in-out infinite;
}



/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-align: center;
}

.btn-primary {
    background: #12ce96;
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(18, 206, 150, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(18, 206, 150, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    border-color: var(--color-teal);
    background: rgba(20, 184, 166, 0.1);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(20, 184, 166, 0.5);
    color: #FFFFFF;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.2);
    transition: all 0.3s ease;
}

.btn-glass:hover {
    background: rgba(20, 184, 166, 0.1);
    border-color: #14B8A6;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(20, 184, 166, 0.4);
}

.btn-outline {
    background: var(--color-white);
    border: 2px solid var(--color-teal);
    color: var(--color-teal);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.15);
    transition: all 0.3s ease;
    font-weight: 600;
}

.btn-outline:hover {
    background: var(--color-teal);
    border-color: var(--color-teal);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(20, 184, 166, 0.4);
}

.btn-large {
    padding: 1.1rem 2.5rem;
    font-size: 1.1rem;
}

/* ==========================================
   Concept Section
   ========================================== */
.concept {
    padding: var(--spacing-xl) 0;
    background: var(--color-light-bg);
    position: relative;
    overflow: hidden;
}

.concept-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.concept-icon {
    margin-bottom: var(--spacing-md);
}

.connection-line {
    width: 200px;
    height: 100px;
    color: var(--color-teal);
    opacity: 0.6;
}

.concept-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-gray-900);
    line-height: 1.8;
}

/* ==========================================
   Services Section
   ========================================== */
.services {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, var(--color-gray-100) 0%, var(--color-white) 100%);
}

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

.service-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    text-decoration: none;
    display: block;
    color: inherit;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(20, 184, 166, 0.2);
    border-color: var(--color-teal);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--spacing-sm);
    color: #0BFFB7;
}

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

.service-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
}

.service-description {
    color: var(--color-gray-700);
    line-height: 1.7;
}

/* ==========================================
   Works Section
   ========================================== */
.works {
    padding: var(--spacing-xl) 0;
    background: var(--color-light-bg);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.work-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    height: 300px;
    text-decoration: none;
    display: block;
    color: inherit;
}

.work-image {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    background: var(--color-light-bg);
    transform: scale(1);
}

.work-image img.work-img-businesscard {
    object-fit: cover;
}

.work-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-gray-300), var(--color-gray-200));
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.work-placeholder span {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-gray-700);
}

.work-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 40%, rgba(20, 184, 166, 0.95) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) var(--spacing-md);
    color: var(--color-white);
    opacity: 0;
    transition: var(--transition-normal);
    box-sizing: border-box;
}

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

.work-item:hover .work-placeholder {
    transform: scale(1.05);
}

.work-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    white-space: nowrap;
}

.work-overlay h3.work-title-multiline {
    white-space: normal;
    line-height: 1.3;
}

.work-overlay p {
    font-size: 0.95rem;
    opacity: 0.9;
    white-space: nowrap;
}

.works-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.works .btn-secondary {
    color: var(--color-gray-900);
    border-color: var(--color-gray-300);
}

.works .btn-secondary:hover {
    border-color: var(--color-teal);
    color: var(--color-teal);
}

/* ==========================================
   Brand Message Section
   ========================================== */
.brand-message {
    padding: var(--spacing-xl) 0;
    background: #f5f7fa;
    position: relative;
    overflow: hidden;
    z-index: 10;
}

.message-bg-effect {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    overflow: visible;
}

.flowing-line {
    position: absolute;
    width: 300px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-teal), transparent);
    animation: flowHorizontal 5s ease-in-out infinite;
}

@keyframes flowHorizontal {
    0% {
        left: -300px;
        opacity: 0;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

.message-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 11;
}

.message-text {
    font-size: 1.5rem;
    line-height: 2;
    color: var(--color-gray-800);
    font-weight: 500;
}

/* ==========================================
   Final CTA Section
   ========================================== */
.final-cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, rgba(245, 247, 250, 1) 0%, rgba(255, 255, 255, 1) 100%);
}

.cta-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    text-align: left;
    max-width: 900px;
    margin-left: 15%;
    margin-right: 5%;
}

.cta-info h3,
.cta-flow h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #12ce96;
    margin-bottom: var(--spacing-sm);
}

.cta-info ul {
    list-style: none;
}

.cta-info li {
    padding: 0.7rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-gray-700);
}

.cta-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #0BFFB7;
    font-weight: bold;
}

.cta-flow ol {
    list-style: none;
    counter-reset: flow-counter;
}

.cta-flow li {
    padding: 0.7rem 0;
    padding-left: 2.5rem;
    position: relative;
    color: var(--color-gray-700);
    counter-increment: flow-counter;
}

.cta-flow li span {
    position: absolute;
    left: 0;
    width: 30px;
    height: 30px;
    background: #0BFFB7;
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

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

.cta-buttons .btn-secondary {
    color: var(--color-gray-900);
    border-color: var(--color-gray-300);
}

/* ==========================================
   Scroll to Top Button
   ========================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #12ce96;
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 20px rgba(18, 206, 150, 0.3);
}

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

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 30px rgba(18, 206, 150, 0.5);
}

.scroll-to-top svg {
    width: 24px;
    height: 24px;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--color-dark-bg) !important;
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    position: relative;
    z-index: 10;
}

.footer-accent-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #0BFFB7, transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    font-family: var(--font-accent);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
}

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

.footer-column h4 {
    color: #0BFFB7;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: #0BFFB7;
    padding-left: 5px;
}

/* Footer Contact Info */
.footer-column li[style*="margin-top"] {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.footer-column li[style*="margin-top"] a {
    white-space: nowrap;
}

.footer-column li[style*="margin-top"] a:hover {
    padding-left: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 968px) {
    .hero {
        padding-top: 100px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .main-mockup {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .tech-stack {
        justify-content: flex-start;
        gap: 0.4rem;
        margin-top: var(--spacing-sm);
    }
    
    .tech-item {
        font-size: 0.7rem;
        padding: 0.35rem 0.7rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: linear-gradient(135deg, rgba(15, 18, 20, 0.98) 0%, rgba(17, 20, 24, 0.98) 100%);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: var(--spacing-xl) var(--spacing-md);
        gap: 0;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
        border-left: 1px solid rgba(20, 184, 166, 0.2);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu li {
        width: 100%;
        opacity: 0;
        transform: translateX(30px);
        transition: all 0.4s ease;
    }
    
    .nav-menu.active li {
        opacity: 1;
        transform: translateX(0);
    }
    
    .nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active li:nth-child(2) { transition-delay: 0.15s; }
    .nav-menu.active li:nth-child(3) { transition-delay: 0.2s; }
    .nav-menu.active li:nth-child(4) { transition-delay: 0.25s; }
    .nav-menu.active li:nth-child(5) { transition-delay: 0.3s; }
    
    .nav-menu a {
        display: block;
        width: 100%;
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
        font-weight: 500;
        color: var(--color-white);
        border-radius: 12px;
        border-left: 3px solid transparent;
        transition: all 0.3s ease;
    }
    
    .nav-menu a:hover,
    .nav-menu a.active {
        background: rgba(20, 184, 166, 0.1);
        border-left-color: var(--color-teal);
        transform: translateX(5px);
    }
    
    .nav-cta {
        margin-top: var(--spacing-sm);
        background: linear-gradient(135deg, var(--color-teal), var(--color-teal-light)) !important;
        border: none !important;
        text-align: center;
        box-shadow: 0 4px 20px rgba(20, 184, 166, 0.4);
    }
    
    .nav-cta:hover {
        transform: translateX(0) translateY(-2px) !important;
        box-shadow: 0 6px 25px rgba(20, 184, 166, 0.5);
    }
    
    /* Mobile menu overlay */
    .nav-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.7);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
        z-index: -1;
        backdrop-filter: blur(5px);
    }
    
    .nav-menu.active::before {
        opacity: 1;
        visibility: visible;
        left: -100vw;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* スマホFV：左キャッチコピー、右背景にモックアップ */
    .hero-content {
        grid-template-columns: 1fr;
        position: relative;
        text-align: left;
    }
    
    .hero-text {
        position: relative;
        z-index: 10;
        display: flex;
        flex-direction: column;
    }
    
    .hero-badge {
        order: 4;
        margin-top: 0.5rem;
        margin-bottom: 1rem;
        align-self: flex-start;
        width: auto;
    }
    
    .hero-title {
        order: 1;
    }
    
    .hero-subtitle {
        order: 2;
        margin-bottom: 0.5rem;
    }
    
    .hero-stats {
        order: 3;
        margin-bottom: 0.5rem;
    }
    
    .hero-cta {
        order: 5;
    }
    
    /* SP版：モックアップを右側背景に配置（サイズ拡大） */
    .hero-visual {
        position: absolute !important;
        right: -5% !important;
        top: 47% !important;
        transform: translateY(-50%) !important;
        width: 85% !important;
        opacity: 0.65 !important;
        z-index: 2 !important;
        pointer-events: none !important;
    }
    
    .tech-stack {
        display: none;
    }
    
    .main-mockup {
        transform: rotateY(0deg) rotateX(0deg) scale(1.25);
        filter: blur(0.5px);
        animation: floatSP 3s ease-in-out infinite;
        aspect-ratio: 16/11 !important;
    }
    
    @keyframes floatSP {
        0%, 100% {
            transform: rotateY(0deg) rotateX(0deg) scale(1.25) translateY(0);
        }
        50% {
            transform: rotateY(0deg) rotateX(0deg) scale(1.25) translateY(-20px);
        }
    }
    
    /* スマホ版：ガラスパネルとスマホモックアップを非表示 */
    .glass-panel,
    .mobile-mockup {
        display: none;
    }
    
    /* SP版：コードラインの調整 */
    .code-lines {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .mockup-screen {
        padding: 0.8rem 0.3rem;
    }
    
    .mockup-container {
        perspective: none;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: row;
        gap: var(--spacing-sm);
        justify-content: flex-start;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .hero-cta {
        justify-content: flex-start;
    }
    
    .concept-title {
        font-size: 1.4rem;
    }
    
    .message-text {
        font-size: 1.1rem;
        word-break: keep-all;
    }
    
    .cta-title {
        font-size: 1.5rem;
        line-height: 1.5;
        word-break: keep-all;
        white-space: nowrap;
    }
    
    .cta-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .works-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }

    .work-overlay {
        padding: 1rem 1rem 1rem 1rem;
    }

    .work-overlay h3 {
        font-size: 1.2rem;
    }

    .work-overlay h3.work-title-multiline {
        font-size: 1.3rem;
        word-break: keep-all;
    }

    .work-overlay p {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .hero-visual {
        right: -25%;
        top: 15%;
        width: 80%;
        opacity: 0.15;
    }
    
    .main-mockup {
        animation: floatSPSmall 3s ease-in-out infinite;
    }
    
    @keyframes floatSPSmall {
        0%, 100% {
            transform: rotateY(0deg) rotateX(0deg) scale(0.9) translateY(0);
        }
        50% {
            transform: rotateY(0deg) rotateX(0deg) scale(0.9) translateY(-20px);
        }
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 0.8rem;
        align-items: flex-start;
    }
    
    .stat-item {
        display: flex;
        align-items: center;
        gap: 0.8rem;
    }
    
    .stat-number {
        font-size: 1.3rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
}

/* ===== AI検索流入モーダル ===== */
.ai-modal{
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: none;
  }
  
  .ai-modal.is-open{
    display: block;
  }
  
  .ai-modal__backdrop{
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.62);
    backdrop-filter: blur(6px);
  }
  
  .ai-modal__panel{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-48%);
    width: min(560px, calc(100vw - 32px));
    border-radius: 20px;
  
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(11,255,183,0.22);
    backdrop-filter: blur(12px);
  
    box-shadow:
      0 22px 70px rgba(0,0,0,0.6),
      0 0 0 1px rgba(255,255,255,0.06),
      0 0 28px rgba(11,255,183,0.18);
  
    overflow: hidden;
    opacity: 0;
    transition: opacity .22s ease, transform .22s ease;
  }
  
  .ai-modal.is-open .ai-modal__panel{
    opacity: 1;
    transform: translate(-50%,-50%);
  }
  
  .ai-modal__link{
    display: block;
  }
  
  .ai-modal__panel img{
    display: block;
    width: 100%;
    height: auto;
  }
  
  /* ×（閉じる）ボタン */
  .ai-modal__close{
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.18);
    background: rgba(0,0,0,0.55);
    color: rgba(255,255,255,0.92);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
  }
  
  .ai-modal__close:hover{
    background: rgba(0,0,0,0.7);
  }