/* about.css */
/* 企業について（ABOUT US）ページの特有スタイル */

/* ページヒーローセクション */
.page-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16rem 0 10rem;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafb 0%, #e8ecf0 100%);
    border-bottom: 1px solid #e0e6ed;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.gradient-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 35, 126, 0.05) 0%, rgba(33, 150, 243, 0.03) 100%);
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 2rem;
}

.page-title {
    position: relative;
    display: inline-block;
    margin-bottom: 2rem;
    padding-bottom: 20px;
}

.page-title::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #4a90e2 0%, #2e5ab8 100%);
}

.page-title .jp {
    display: block;
    font-size: 48px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
}

.page-title .en {
    display: block;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: #666666;
    text-transform: uppercase;
}

.page-subtitle {
    font-size: 16px;
    color: #666666;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    padding: 0 40px;
}

.page-subtitle::before,
.page-subtitle::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background-color: #cccccc;
}

.page-subtitle::before {
    left: 0;
}

.page-subtitle::after {
    right: 0;
}

/* ごあいさつセクション */
.message {
    padding: 12rem 0;
    position: relative;
    overflow: hidden;
}

.message-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 6rem;
    align-items: flex-start;
    margin-top: 5rem;
}

.message-image {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.chairman-image {
    position: relative;
    margin-bottom: 3rem;
}

.image-placeholder.chairman-photo {
    width: 100%;
    padding-bottom: 120%;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(26, 35, 126, 0.15);
    overflow: hidden;
    position: relative;
    transition: all 0.6s ease;
    border: 3px solid #ffffff;
}

.chairman-photo::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.3;
    transition: all 0.4s ease;
}

.chairman-photo::after {
    content: '👤';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.6;
    transition: all 0.4s ease;
}

.chairman-photo.loaded {
    transform: scale(1.02);
    box-shadow: 0 12px 40px rgba(26, 35, 126, 0.2);
}

.chairman-photo.loaded::before {
    opacity: 0.1;
    transform: translate(-50%, -50%) scale(1.2);
}

.chairman-photo.loaded::after {
    opacity: 0.8;
    transform: translate(-50%, -50%) scale(1.1);
}

.image-decoration {
    position: absolute;
    width: 85%;
    height: 85%;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    top: -15px;
    left: -15px;
    z-index: -1;
    opacity: 0.3;
    background: linear-gradient(135deg, transparent 0%, rgba(26, 35, 126, 0.05) 100%);
}

.chairman-info {
    text-align: center;
    background: #ffffff;
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid #e8eaed;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.chairman-position {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.chairman-name {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 0.5rem;
}

.chairman-name::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

.message-text {
    position: relative;
}

.message-heading {
    margin-bottom: 3rem;
}

.message-heading h3 {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 1.5rem;
    display: inline-block;
}

.message-heading h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80%;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.message-body p {
    font-size: 1.6rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 2.5rem;
}

.message-body p.message-highlight {
    font-size: 1.7rem;
    font-weight: 500;
    color: var(--text-dark);
    padding: 2rem;
    background: linear-gradient(135deg, rgba(26, 35, 126, 0.03) 0%, rgba(33, 150, 243, 0.02) 100%);
    border-left: 4px solid var(--primary-color);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* 企業理念セクション */
.philosophy {
    padding: 12rem 0;
    position: relative;
    overflow: hidden;
}

.philosophy-container {
    position: relative;
}

.pillars-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
    margin-bottom: 8rem;
}

.pillar-item {
    text-align: center;
    padding: 4rem 2rem;
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid #e8eaed;
    position: relative;
    transition: var(--transition-normal);
}

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

.pillar-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.4rem;
}

.pillar-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.pillar-text {
    font-size: 1.4rem;
    line-height: 1.7;
    color: var(--text-light);
}

.vision-container {
    text-align: center;
    max-width: 80rem;
    margin: 0 auto;
    padding: 6rem 4rem;
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid #e8eaed;
    box-shadow: var(--shadow-md);
}

.vision-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1.5rem;
    display: inline-block;
}

.vision-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.vision-content p {
    font-size: 1.6rem;
    line-height: 1.8;
    color: var(--text-light);
}

/* 事業内容セクション */
.business {
    padding: 12rem 0;
    position: relative;
    overflow: hidden;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    margin-bottom: 8rem;
}

.business-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid #e8eaed;
    padding: 4rem 3rem;
    position: relative;
    transition: var(--transition-normal);
    overflow: hidden;
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.business-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.4rem;
    margin-bottom: 3rem;
}

.business-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.business-desc {
    font-size: 1.5rem;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 2.5rem;
}

.business-features {
    list-style: none;
    padding: 0;
}

.business-features li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
    font-size: 1.4rem;
    color: var(--text-light);
}

.business-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.area-coverage {
    text-align: center;
    max-width: 80rem;
    margin: 0 auto;
    padding: 6rem 4rem;
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid #e8eaed;
    box-shadow: var(--shadow-md);
}

.area-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.area-desc {
    font-size: 1.6rem;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.area-features {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.area-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.4rem;
    color: var(--text-dark);
    font-weight: 500;
}

.area-feature i {
    color: var(--primary-color);
    font-size: 1.6rem;
}

/* 会社沿革セクション */
.history {
    padding: 12rem 0;
    position: relative;
    overflow: hidden;
}

.timeline-container {
    position: relative;
    max-width: 100rem;
    margin: 0 auto;
}

.timeline {
    position: relative;
    padding: 0 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), rgba(26, 35, 126, 0.3));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 8rem;
    display: flex;
    align-items: flex-start;
    gap: 2rem;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-item::before {
    content: attr(data-year);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20px;
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.5rem;
    z-index: 2;
    box-shadow: 0 4px 16px rgba(26, 35, 126, 0.3);
    border: 4px solid #ffffff;
}

.timeline-content {
    flex: 1;
    max-width: calc(50% - 8rem);
    background: #ffffff;
    padding: 3.5rem 3rem;
    border-radius: var(--radius-lg);
    border: 1px solid #e8eaed;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: var(--transition-normal);
}

.timeline-content:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 30px;
    width: 0;
    height: 0;
    border: 12px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -24px;
    border-left-color: #ffffff;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -24px;
    border-right-color: #ffffff;
}

.timeline-content h4 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 1rem;
}

.timeline-content h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
}

.timeline-content p {
    font-size: 1.5rem;
    line-height: 1.7;
    color: var(--text-light);
}

/* レスポンシブ対応 */
@media (max-width: 1200px) {
    .message-content {
        gap: 4rem;
    }
    
    .pillars-container {
        gap: 3rem;
    }
    
    .business-grid {
        gap: 3rem;
    }
    
    .timeline-container {
        max-width: 90rem;
    }
}

@media (max-width: 992px) {
    .page-title .jp {
        font-size: 4rem;
    }
    
    .message-content {
        grid-template-columns: 1fr;
        gap: 5rem;
        text-align: center;
    }
    
    .message-image {
        max-width: 350px;
        margin: 0 auto;
    }
    
    .chairman-image {
        margin-bottom: 2.5rem;
    }
    
    .pillars-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .timeline::before {
        left: 40px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 12rem;
        gap: 0;
    }
    
    .timeline-item::before {
        left: 40px;
        transform: none;
        width: 80px;
        height: 80px;
        font-size: 1.3rem;
    }
    
    .timeline-content {
        max-width: none;
        margin-left: 2rem;
    }
    
    .timeline-content::before {
        display: none;
    }
    
    .area-features {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .page-hero {
        padding: 12rem 0 8rem;
    }
    
    .page-title .jp {
        font-size: 3.2rem;
    }
    
    .page-title .en {
        font-size: 1.4rem;
    }
    
    .message, .philosophy, .business, .history {
        padding: 8rem 0;
    }
    
    .section-header {
        margin-bottom: 6rem;
    }
    
    .message-image {
        max-width: 300px;
    }
    
    .chairman-photo {
        padding-bottom: 130%;
    }
    
    .chairman-info {
        padding: 1.5rem;
    }
    
    .chairman-name {
        font-size: 2rem;
    }
    
    .vision-container,
    .area-coverage {
        padding: 4rem 2rem;
    }
    
    .business-card {
        padding: 3rem 2rem;
    }
    
    .timeline-content {
        padding: 2.5rem;
    }
    
    .timeline-item {
        padding-left: 10rem;
        margin-bottom: 6rem;
    }
    
    .timeline-item::before {
        width: 70px;
        height: 70px;
        font-size: 1.2rem;
    }
}

@media (max-width: 576px) {
    .page-title .jp {
        font-size: 2.8rem;
    }
    
    .page-subtitle {
        padding: 0 20px;
    }
    
    .page-subtitle::before,
    .page-subtitle::after {
        width: 15px;
    }
    
    .message-heading h3 {
        font-size: 2rem;
    }
    
    .message-image {
        max-width: 280px;
    }
    
    .chairman-photo {
        padding-bottom: 140%;
    }
    
    .chairman-info {
        padding: 1.2rem;
    }
    
    .chairman-position {
        font-size: 1.2rem;
    }
    
    .chairman-name {
        font-size: 1.8rem;
    }
    
    .vision-container,
    .area-coverage {
        padding: 3rem 1.5rem;
    }
    
    .business-card {
        padding: 2.5rem 1.5rem;
    }
    
    .timeline-item {
        padding-left: 8rem;
        margin-bottom: 5rem;
    }
    
    .timeline-item::before {
        width: 60px;
        height: 60px;
        font-size: 1.1rem;
        left: 30px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-content {
        padding: 2rem 1.5rem;
        margin-left: 1.5rem;
    }
    
    .timeline-content h4 {
        font-size: 1.7rem;
    }
    
    .timeline-content p {
        font-size: 1.4rem;
    }
    
    .area-title {
        font-size: 2rem;
    }
}