.about-title {
font-size: clamp(2rem, 4vw, 2.8rem);
font-weight: 700;
margin-bottom: 1.5rem;
color: var(--text-primary);
animation: fadeInUp var(--transition-slow) var(--ease-out-cubic);
text-align: center;
letter-spacing: -0.02em;
line-height: 1.1;
}
.about-main {
padding: 10px 0;
background: var(--neutral-bg);
}
.about-container {
max-width: 1200px;
margin: 0 auto;
padding: 0 20px;
}
.about-intro {
background: var(--card-bg);
border: 1px solid var(--border-subtle);
border-radius: var(--border-radius-lg);
padding: 32px;
margin-bottom: var(--spacing-2xl);
box-shadow: var(--shadow-subtle);
transition: all var(--transition-medium) var(--ease-out-cubic);
position: relative;
overflow: hidden;
}
.about-intro::before {
content: '';
position: absolute;
top: 0;
left: 50%;
transform: translateX(-50%) scaleX(0);
width: var(--accent-line-width);
height: var(--accent-line-height);
background: var(--primary-gradient);
transition: transform var(--transition-medium) var(--ease-out-cubic);
border-radius: 0 0 4px 4px;
}
.about-intro::after {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: linear-gradient(135deg, rgba(124, 58, 237, 0.02) 0%, rgba(14, 165, 233, 0.02) 100%);
opacity: 0;
transition: opacity var(--transition-medium) var(--ease-out-cubic);
}
.about-intro:hover::before {
transform: translateX(-50%) scaleX(1);
}
.about-intro:hover::after {
opacity: 1;
}
.about-intro:hover {
transform: translateY(-4px);
box-shadow: var(--shadow-large);
border-color: var(--accent-purple);
}
.about-intro:focus-within {
transform: translateY(-2px);
box-shadow: var(--shadow-medium);
border-color: var(--accent-cyan);
}
.about-intro h2 {
font-size: clamp(1.2rem, 2.5vw, 1.4rem);
font-weight: 600;
color: var(--text-primary);
margin-bottom: var(--spacing-lg);
letter-spacing: -0.01em;
position: relative;
z-index: 1;
}
.about-intro p {
font-size: clamp(0.9rem, 2vw, 1rem);
color: var(--text-secondary);
line-height: 1.8;
margin-bottom: 20px;
position: relative;
z-index: 1;
}
.about-intro p:last-child {
margin-bottom: 0;
}
.about-intro.philosophy-section {
margin-top: var(--spacing-2xl);
border-left: 4px solid var(--secondary-gradient);
}
.about-intro.transparency-section {
margin-top: var(--spacing-2xl);
border-left: 4px solid var(--accent-gradient);
}
.about-intro.philosophy-section::before {
background: var(--secondary-gradient);
}
.about-intro.transparency-section::before {
background: var(--accent-gradient);
}
.expertise-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
gap: var(--spacing-lg);
margin-top: var(--spacing-xl);
}
.expertise-card {
background: var(--card-bg);
border: 1px solid var(--border-subtle);
border-radius: var(--border-radius-lg);
padding: 28px;
transition: all var(--transition-medium) var(--ease-out-cubic);
position: relative;
box-shadow: var(--shadow-subtle);
height: 100%;
display: flex;
flex-direction: column;
justify-content: space-between;
text-align: center;
overflow: hidden;
will-change: transform;
}
.expertise-card::before {
content: '';
position: absolute;
top: 0;
left: 50%;
transform: translateX(-50%) scaleX(0);
width: var(--accent-line-width);
height: var(--accent-line-height);
background: var(--primary-gradient);
transition: transform var(--transition-medium) var(--ease-out-cubic);
border-radius: 0 0 4px 4px;
}
.expertise-card::after {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: linear-gradient(135deg, rgba(124, 58, 237, 0.02) 0%, rgba(14, 165, 233, 0.02) 100%);
opacity: 0;
transition: opacity var(--transition-medium) var(--ease-out-cubic);
}
.expertise-card:hover::before {
transform: translateX(-50%) scaleX(1);
}
.expertise-card:hover::after {
opacity: 1;
}
.expertise-card:hover {
transform: translateY(-4px);
box-shadow: var(--shadow-large);
border-color: var(--accent-purple);
}
.expertise-card:focus-within {
transform: translateY(-2px);
box-shadow: var(--shadow-medium);
border-color: var(--accent-cyan);
}
.expertise-icon {
font-size: clamp(2rem, 3.5vw, 2.4rem);
margin-bottom: var(--spacing-lg);
color: var(--accent-purple);
transition: all var(--transition-medium) var(--ease-out-cubic);
position: relative;
z-index: 1;
display: flex;
align-items: center;
justify-content: center;
width: 80px;
height: 80px;
border-radius: 50%;
background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(14, 165, 233, 0.05));
margin: 0 auto var(--spacing-lg) auto;
border: 2px solid transparent;
}
.expertise-card:hover .expertise-icon {
color: var(--accent-cyan);
transform: scale(1.05);
border-color: rgba(124, 58, 237, 0.2);
background: linear-gradient(135deg, rgba(124, 58, 237, 0.15), rgba(14, 165, 233, 0.1));
}
.expertise-title {
font-size: clamp(1rem, 2.2vw, 1.15rem);
font-weight: 600;
color: var(--text-primary);
margin-bottom: var(--spacing-md);
letter-spacing: -0.01em;
position: relative;
z-index: 1;
line-height: 1.3;
}
.expertise-description {
color: var(--text-secondary);
line-height: 1.7;
font-size: clamp(0.85rem, 1.8vw, 0.95rem);
flex-grow: 1;
position: relative;
z-index: 1;
}
.expertise-tags {
display: flex;
flex-wrap: wrap;
gap: var(--spacing-xs);
margin-top: var(--spacing-md);
justify-content: center;
}
.expertise-tag {
font-size: 0.75rem;
color: var(--accent-purple);
background: rgba(124, 58, 237, 0.1);
padding: 4px 8px;
border-radius: var(--border-radius-sm);
border: 1px solid rgba(124, 58, 237, 0.2);
transition: all var(--transition-fast) var(--ease-out-cubic);
font-weight: 500;
}
.expertise-tag:hover {
background: var(--accent-purple);
color: white;
border-color: var(--accent-purple);
}
.section-title {
font-size: clamp(1.6rem, 3.5vw, 2rem);
font-weight: 700;
text-align: center;
margin-bottom: 48px;
position: relative;
color: var(--text-primary);
display: block;
width: 100%;
letter-spacing: -0.02em;
line-height: 1.2;
}
.section-title::after {
content: '';
position: absolute;
bottom: -12px;
left: 50%;
transform: translateX(-50%);
width: 100px;
height: 4px;
background: var(--primary-gradient);
border-radius: 2px;
}
.about-highlight {
background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
padding: var(--spacing-lg);
border-radius: var(--border-radius-lg);
border-left: 4px solid var(--primary-gradient);
margin: var(--spacing-xl) 0;
position: relative;
}
.about-highlight p {
margin: 0;
font-style: italic;
color: var(--text-primary);
font-weight: 500;
}
@media (max-width: 1200px) {
.about-container {
padding: 0 24px;
}
.expertise-grid {
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
gap: var(--spacing-md);
}
.about-intro {
padding: 28px;
}
.expertise-card {
padding: 24px;
}
}
@media (max-width: 992px) {
.about-title {
font-size: clamp(1.8rem, 4vw, 2.4rem);
}
.expertise-grid {
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 20px;
}
.section-title {
font-size: clamp(1.5rem, 3.5vw, 1.8rem);
margin-bottom: 40px;
}
.expertise-icon {
width: 70px;
height: 70px;
font-size: clamp(1.8rem, 3.5vw, 2.2rem);
}
.about-intro {
padding: 24px;
}
}
@media (max-width: 768px) {
.about-title {
font-size: clamp(1.6rem, 4vw, 2rem);
}
.about-intro {
padding: 20px;
}
.about-intro h2 {
font-size: clamp(1.1rem, 2.5vw, 1.3rem);
}
.section-title {
font-size: clamp(1.4rem, 3.5vw, 1.7rem);
margin-bottom: var(--spacing-xl);
}
.expertise-grid {
grid-template-columns: 1fr;
gap: var(--spacing-lg);
}
.expertise-card {
padding: 20px;
}
.expertise-icon {
width: 64px;
height: 64px;
font-size: 2rem;
}
.expertise-card:hover {
transform: translateY(0) scale(1.02);
}
}
@media (max-width: 576px) {
.about-main {
padding: var(--spacing-2xl) 0;
}
.about-container {
padding: 0 16px;
}
.expertise-grid {
grid-template-columns: 1fr;
}
.about-intro {
padding: var(--spacing-lg);
margin-bottom: var(--spacing-xl);
}
.expertise-card {
padding: var(--spacing-lg);
}
.expertise-icon {
width: 56px;
height: 56px;
font-size: 1.8rem;
margin-bottom: var(--spacing-md);
}
.expertise-tags {
margin-top: var(--spacing-sm);
}
}
@media print {
.about-intro, .expertise-card {
box-shadow: none;
border: 1px solid #666;
page-break-inside: avoid;
margin-bottom: 20px;
}
.expertise-icon {
background: none;
border: none;
}
}
@media (prefers-contrast: high) {
.about-intro, .expertise-card {
border: 2px solid var(--border-subtle);
}
.expertise-tag {
border: 2px solid var(--accent-purple);
font-weight: 700;
}
.about-title, .section-title {
font-weight: 900;
}
.about-highlight {
border-left-width: 6px;
}
}
@media (prefers-reduced-motion: reduce) {
.about-title {
animation: none !important;
}
.about-intro, .expertise-card, .expertise-icon, .expertise-tag {
transition: none !important;
}
.about-intro:hover, .expertise-card:hover, .expertise-icon {
transform: none !important;
}
}
@supports (container-type: inline-size) {
.expertise-card {
container-type: inline-size;
}
@container (max-width: 280px) {
.expertise-icon {
width: 48px;
height: 48px;
font-size: 1.5rem;
}
.expertise-title {
font-size: 1rem;
}
.expertise-description {
font-size: 0.85rem;
}
.expertise-tags {
margin-top: var(--spacing-xs);
}
}
}