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2026-06-11 18:47:38 +09:00

846 lines
17 KiB
CSS

/* Dark Premium Theme Styles */
/* CSS Variables for Dark Theme */
:root {
--primary-color: #00d4ff;
--secondary-color: #7c3aed;
--accent-color: #f59e0b;
--success-color: #10b981;
--warning-color: #f59e0b;
--error-color: #ef4444;
--text-primary: #ffffff;
--text-secondary: #a1a1aa;
--text-muted: #71717a;
--bg-primary: #0a0a0a;
--bg-secondary: #111111;
--bg-tertiary: #1a1a1a;
--bg-card: #1e1e1e;
--bg-glass: rgba(255, 255, 255, 0.05);
--border-color: #2a2a2a;
--border-glow: rgba(0, 212, 255, 0.3);
--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
--shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
--shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
--radius-sm: 0.375rem;
--radius-md: 0.5rem;
--radius-lg: 0.75rem;
--radius-xl: 1rem;
--spacing-xs: 0.5rem;
--spacing-sm: 1rem;
--spacing-md: 1.5rem;
--spacing-lg: 2rem;
--spacing-xl: 3rem;
--spacing-2xl: 4rem;
}
/* Reset and Base Styles */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
line-height: 1.6;
color: var(--text-primary);
background-color: var(--bg-primary);
overflow-x: hidden;
}
.container {
max-width: 1200px;
margin: 0 auto;
padding: 0 var(--spacing-md);
}
/* Hero Section */
.hero-section {
min-height: 100vh;
position: relative;
display: flex;
align-items: center;
padding: var(--spacing-2xl) 0;
overflow: hidden;
}
.hero-background {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
z-index: -2;
}
.hero-overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: radial-gradient(circle at 30% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
radial-gradient(circle at 70% 80%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
z-index: -1;
}
.hero-particles {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: -1;
}
.particle {
position: absolute;
width: 2px;
height: 2px;
background: var(--primary-color);
border-radius: 50%;
animation: float-particle infinite linear;
opacity: 0.6;
}
@keyframes float-particle {
0% {
transform: translateY(100vh) translateX(0);
opacity: 0;
}
10% {
opacity: 0.6;
}
90% {
opacity: 0.6;
}
100% {
transform: translateY(-100px) translateX(100px);
opacity: 0;
}
}
.hero-content {
flex: 1;
max-width: 600px;
z-index: 1;
}
.hero-badge {
display: inline-block;
margin-bottom: var(--spacing-md);
}
.badge-text {
display: inline-block;
padding: var(--spacing-xs) var(--spacing-sm);
background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
color: var(--bg-primary);
font-size: 0.75rem;
font-weight: 700;
letter-spacing: 0.1em;
text-transform: uppercase;
border-radius: var(--radius-sm);
box-shadow: var(--shadow-glow);
}
.hero-title {
font-size: clamp(2.5rem, 6vw, 5rem);
font-weight: 800;
line-height: 1.1;
margin-bottom: var(--spacing-md);
}
.title-line {
display: block;
}
.gradient-text {
background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.hero-subtitle {
font-size: 1.25rem;
color: var(--text-secondary);
margin-bottom: var(--spacing-xl);
line-height: 1.6;
}
.hero-cta {
display: flex;
gap: var(--spacing-md);
margin-bottom: var(--spacing-2xl);
flex-wrap: wrap;
}
.btn-neon, .btn-outline {
display: inline-flex;
align-items: center;
padding: var(--spacing-sm) var(--spacing-lg);
border-radius: var(--radius-md);
font-weight: 600;
text-decoration: none;
transition: all 0.3s ease;
position: relative;
overflow: hidden;
}
.btn-neon {
background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
color: var(--bg-primary);
box-shadow: var(--shadow-glow);
border: none;
}
.btn-neon:hover {
transform: translateY(-2px);
box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}
.btn-outline {
background: transparent;
color: var(--text-primary);
border: 2px solid var(--border-color);
}
.btn-outline:hover {
border-color: var(--primary-color);
color: var(--primary-color);
box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}
.hero-stats {
display: flex;
gap: var(--spacing-xl);
flex-wrap: wrap;
}
.stat-item {
text-align: center;
}
.stat-number {
display: block;
font-size: 2rem;
font-weight: 700;
color: var(--primary-color);
line-height: 1;
}
.stat-label {
font-size: 0.875rem;
color: var(--text-secondary);
text-transform: uppercase;
letter-spacing: 0.05em;
}
.hero-visual {
flex: 1;
position: relative;
height: 500px;
display: flex;
justify-content: center;
align-items: center;
}
.floating-cards {
position: relative;
width: 300px;
height: 300px;
}
.card {
position: absolute;
width: 120px;
height: 80px;
background: var(--bg-glass);
backdrop-filter: blur(10px);
border: 1px solid var(--border-glow);
border-radius: var(--radius-lg);
padding: var(--spacing-sm);
animation: float-card 6s ease-in-out infinite;
box-shadow: var(--shadow-lg);
}
.card-1 {
top: 0;
left: 50%;
transform: translateX(-50%);
animation-delay: 0s;
}
.card-2 {
top: 50%;
right: 0;
transform: translateY(-50%);
animation-delay: 2s;
}
.card-3 {
bottom: 0;
left: 0;
animation-delay: 4s;
}
.card-glow {
position: absolute;
top: -2px;
left: -2px;
right: -2px;
bottom: -2px;
background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
border-radius: var(--radius-lg);
z-index: -1;
opacity: 0;
transition: opacity 0.3s ease;
}
.card:hover .card-glow {
opacity: 1;
}
.card-content {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
height: 100%;
text-align: center;
}
.card-icon {
font-size: 1.5rem;
margin-bottom: var(--spacing-xs);
}
.card h4 {
font-size: 0.875rem;
font-weight: 600;
color: var(--text-primary);
}
@keyframes float-card {
0%, 100% { transform: translateY(0) rotate(0deg); }
25% { transform: translateY(-10px) rotate(1deg); }
50% { transform: translateY(-20px) rotate(0deg); }
75% { transform: translateY(-10px) rotate(-1deg); }
}
/* Features Section */
.features-section {
padding: var(--spacing-2xl) 0;
background: var(--bg-secondary);
position: relative;
}
.features-section::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 1px;
background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}
.section-header {
text-align: center;
margin-bottom: var(--spacing-2xl);
}
.section-badge {
display: inline-block;
padding: var(--spacing-xs) var(--spacing-sm);
background: var(--bg-glass);
color: var(--primary-color);
font-size: 0.75rem;
font-weight: 700;
letter-spacing: 0.1em;
text-transform: uppercase;
border-radius: var(--radius-sm);
border: 1px solid var(--border-glow);
margin-bottom: var(--spacing-md);
}
.section-title {
font-size: 3rem;
font-weight: 700;
margin-bottom: var(--spacing-md);
background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.section-subtitle {
font-size: 1.25rem;
color: var(--text-secondary);
max-width: 600px;
margin: 0 auto;
}
.features-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
gap: var(--spacing-xl);
}
.feature-card {
padding: var(--spacing-xl);
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: var(--radius-lg);
transition: all 0.3s ease;
position: relative;
overflow: hidden;
opacity: 0;
transform: translateY(30px);
}
.feature-card.animate-in {
opacity: 1;
transform: translateY(0);
}
.feature-card::before {
content: '';
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 1px;
background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
opacity: 0;
transition: opacity 0.3s ease;
}
.feature-card:hover {
transform: translateY(-5px);
border-color: var(--border-glow);
box-shadow: var(--shadow-glow);
}
.feature-card:hover::before {
opacity: 1;
}
.feature-icon {
width: 60px;
height: 60px;
background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
border-radius: var(--radius-md);
display: flex;
align-items: center;
justify-content: center;
margin-bottom: var(--spacing-md);
color: var(--bg-primary);
}
.feature-card h3 {
font-size: 1.5rem;
font-weight: 600;
margin-bottom: var(--spacing-sm);
color: var(--text-primary);
}
.feature-card p {
color: var(--text-secondary);
line-height: 1.6;
margin-bottom: var(--spacing-md);
}
.feature-highlight {
position: absolute;
top: var(--spacing-sm);
right: var(--spacing-sm);
padding: var(--spacing-xs) var(--spacing-sm);
background: var(--success-color);
color: var(--bg-primary);
font-size: 0.75rem;
font-weight: 700;
border-radius: var(--radius-sm);
text-transform: uppercase;
}
/* Technology Showcase */
.tech-showcase {
padding: var(--spacing-2xl) 0;
background: var(--bg-primary);
}
.showcase-content {
display: grid;
grid-template-columns: 1fr 1fr;
gap: var(--spacing-2xl);
align-items: center;
}
.showcase-badge {
display: inline-block;
padding: var(--spacing-xs) var(--spacing-sm);
background: var(--bg-glass);
color: var(--secondary-color);
font-size: 0.75rem;
font-weight: 700;
letter-spacing: 0.1em;
text-transform: uppercase;
border-radius: var(--radius-sm);
border: 1px solid var(--secondary-color);
margin-bottom: var(--spacing-md);
}
.showcase-text h2 {
font-size: 2.5rem;
font-weight: 700;
margin-bottom: var(--spacing-md);
color: var(--text-primary);
}
.showcase-text p {
font-size: 1.125rem;
color: var(--text-secondary);
margin-bottom: var(--spacing-xl);
line-height: 1.7;
}
.tech-stack {
display: flex;
flex-direction: column;
gap: var(--spacing-md);
}
.tech-item {
display: flex;
align-items: center;
gap: var(--spacing-md);
}
.tech-name {
min-width: 80px;
font-weight: 600;
color: var(--text-primary);
}
.tech-bar {
flex: 1;
height: 8px;
background: var(--bg-tertiary);
border-radius: var(--radius-sm);
overflow: hidden;
}
.tech-progress {
height: 100%;
background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
border-radius: var(--radius-sm);
transition: width 1s ease;
}
.showcase-visual {
display: flex;
justify-content: center;
align-items: center;
}
.tech-animation {
position: relative;
width: 300px;
height: 300px;
}
.orbit {
position: absolute;
border: 1px solid var(--border-glow);
border-radius: 50%;
animation: rotate-orbit linear infinite;
}
.orbit-1 {
width: 200px;
height: 200px;
top: 50px;
left: 50px;
animation-duration: 10s;
}
.orbit-2 {
width: 150px;
height: 150px;
top: 75px;
left: 75px;
animation-duration: 8s;
animation-direction: reverse;
}
.orbit-3 {
width: 100px;
height: 100px;
top: 100px;
left: 100px;
animation-duration: 6s;
}
.orbit-item {
position: absolute;
top: -10px;
left: 50%;
transform: translateX(-50%);
padding: var(--spacing-xs) var(--spacing-sm);
background: var(--bg-glass);
color: var(--text-primary);
font-size: 0.875rem;
font-weight: 600;
border-radius: var(--radius-sm);
border: 1px solid var(--border-glow);
}
.center-core {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 60px;
height: 60px;
background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
box-shadow: var(--shadow-glow);
}
.core-icon {
font-size: 1.5rem;
color: var(--bg-primary);
}
@keyframes rotate-orbit {
from { transform: rotate(0deg); }
to { transform: rotate(360deg); }
}
/* CTA Section */
.cta-section {
padding: var(--spacing-2xl) 0;
background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
position: relative;
overflow: hidden;
}
.cta-glow {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 400px;
height: 400px;
background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
border-radius: 50%;
animation: pulse-glow 4s ease-in-out infinite;
}
@keyframes pulse-glow {
0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}
.cta-content {
text-align: center;
max-width: 600px;
margin: 0 auto;
position: relative;
z-index: 1;
}
.cta-content h2 {
font-size: 3rem;
font-weight: 700;
margin-bottom: var(--spacing-md);
background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
.cta-content p {
font-size: 1.25rem;
color: var(--text-secondary);
margin-bottom: var(--spacing-xl);
}
.cta-buttons {
display: flex;
gap: var(--spacing-md);
justify-content: center;
margin-bottom: var(--spacing-xl);
flex-wrap: wrap;
}
.btn-neon-large, .btn-outline-large {
display: inline-flex;
align-items: center;
padding: var(--spacing-md) var(--spacing-xl);
border-radius: var(--radius-md);
font-weight: 600;
text-decoration: none;
font-size: 1.125rem;
transition: all 0.3s ease;
position: relative;
overflow: hidden;
}
.btn-neon-large {
background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
color: var(--bg-primary);
box-shadow: var(--shadow-glow);
border: none;
}
.btn-neon-large:hover {
transform: translateY(-3px);
box-shadow: 0 0 40px rgba(0, 212, 255, 0.6);
}
.btn-outline-large {
background: transparent;
color: var(--text-primary);
border: 2px solid var(--border-color);
}
.btn-outline-large:hover {
border-color: var(--primary-color);
color: var(--primary-color);
box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}
.cta-features {
display: flex;
gap: var(--spacing-xl);
justify-content: center;
flex-wrap: wrap;
}
.cta-feature {
display: flex;
align-items: center;
gap: var(--spacing-sm);
color: var(--text-secondary);
}
.cta-icon {
color: var(--success-color);
font-weight: bold;
}
/* Responsive Design */
@media (max-width: 768px) {
.hero-section {
flex-direction: column;
text-align: center;
padding: var(--spacing-xl) 0;
}
.hero-content {
margin-bottom: var(--spacing-xl);
}
.hero-cta {
justify-content: center;
}
.hero-stats {
justify-content: center;
}
.showcase-content {
grid-template-columns: 1fr;
gap: var(--spacing-xl);
}
.features-grid {
grid-template-columns: 1fr;
}
.floating-cards {
width: 250px;
height: 250px;
}
.card {
width: 100px;
height: 70px;
}
.cta-buttons {
flex-direction: column;
align-items: center;
}
.cta-features {
flex-direction: column;
gap: var(--spacing-md);
}
}
@media (max-width: 480px) {
.container {
padding: 0 var(--spacing-sm);
}
.hero-title {
font-size: 2.5rem;
}
.section-title {
font-size: 2rem;
}
.cta-content h2 {
font-size: 2rem;
}
}
/* Animation Classes */
.animate-in {
animation: fadeInUp 0.6s ease-out forwards;
}
@keyframes fadeInUp {
from {
opacity: 0;
transform: translateY(30px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
/* Accessibility */
@media (prefers-reduced-motion: reduce) {
.particle,
.orbit,
.card,
.cta-glow {
animation: none;
}
.feature-card {
transition: none;
}
}
/* Print Styles */
@media print {
.hero-cta,
.cta-section {
display: none;
}
}