/* ============================================
   シンセイ建設 Webサイト - レイアウトスタイル
   ============================================ */

@import './variables.css';

/* ============================================
   ヘッダー
   ============================================ */
header {
    background: #FFFFFF;
    border-bottom: 3px solid var(--secondary-light);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

.group-badge {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--secondary-light);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

/* 福利厚生完備バッジ */
.header-benefits {
    background: var(--secondary-light);
    color: var(--text-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-weight: normal;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid var(--secondary-light);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex-wrap: wrap;
}

nav a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

nav a:hover,
nav a.active {
    color: var(--primary-blue);
}

nav a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-blue);
}

/* ハンバーガーメニューボタン */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: relative;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--primary-dark);
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
    background: var(--primary-blue);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
    background: var(--primary-blue);
}

/* モバイルナビゲーション */
.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.4s;
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

body.mobile-nav-open .mobile-menu-toggle {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.mobile-nav-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: opacity 0.4s ease;
}

.mobile-nav-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 360px;
    max-width: 90%;
    height: 100%;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.2);
    transform: translateX(100%);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

.mobile-nav.active .mobile-nav-content {
    transform: translateX(0);
}

.mobile-nav-header {
    padding: 2rem 2rem 1.5rem;
    border-bottom: 2px solid rgba(0, 0, 0, 0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    color: white;
    position: sticky;
    top: 0;
    z-index: 10;
}

.mobile-nav-header h3 {
    font-size: 1.1rem;
    font-weight: bold;
    margin: 0;
    color: white;
}

.mobile-nav-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    padding: 0;
    line-height: 1;
}

.mobile-nav-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.mobile-nav-content ul {
    list-style: none;
    padding: 0.75rem 0 1rem;
    margin: 0;
    flex: 0 0 auto;
    display: block;
    width: 100%;
}

.mobile-nav-content li {
    display: block;
    width: 100%;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.mobile-nav.active .mobile-nav-content li {
    opacity: 1;
    transform: translateX(0);
}

.mobile-nav.active .mobile-nav-content li:nth-child(1) {
    transition-delay: 0.1s;
}

.mobile-nav.active .mobile-nav-content li:nth-child(2) {
    transition-delay: 0.15s;
}

.mobile-nav.active .mobile-nav-content li:nth-child(3) {
    transition-delay: 0.2s;
}

.mobile-nav.active .mobile-nav-content li:nth-child(4) {
    transition-delay: 0.25s;
}

.mobile-nav.active .mobile-nav-content li:nth-child(5) {
    transition-delay: 0.3s;
}

.mobile-nav.active .mobile-nav-content li:nth-child(6) {
    transition-delay: 0.35s;
}

.mobile-nav.active .mobile-nav-content li:nth-child(7) {
    transition-delay: 0.4s;
}

.mobile-nav.active .mobile-nav-content li:nth-child(8) {
    transition-delay: 0.45s;
}

.mobile-nav.active .mobile-nav-content li:nth-child(9) {
    transition-delay: 0.5s;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 1rem 2rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    letter-spacing: 0.02em;
    box-sizing: border-box;
    gap: 1rem;
    min-height: auto;
    line-height: 1.5;
}

.mobile-nav-link i {
    font-size: 1.2rem;
    color: var(--primary-blue);
    width: 24px;
    text-align: center;
    flex-shrink: 0;
    transition: color 0.3s ease;
}

.mobile-nav-link span {
    flex: 1;
}

.mobile-nav-link::after {
    display: none;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary-blue);
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.12) 0%, rgba(37, 99, 235, 0.05) 100%);
    transform: translateX(4px);
}

.mobile-nav-link:hover i,
.mobile-nav-link.active i {
    color: var(--primary-blue);
}

.mobile-nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: linear-gradient(180deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    border-radius: 0 3px 3px 0;
}

/* モバイルナビゲーションのCTAボタン */
.mobile-nav-cta {
    padding: 1.5rem 2rem 2rem;
    border-top: 2px solid rgba(0, 0, 0, 0.06);
    background: var(--secondary-light);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-nav-cta-button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box;
    width: 100%;
    border: 2px solid transparent;
}

.mobile-nav-cta-button i {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.mobile-nav-cta-button:hover i {
    transform: translateX(4px);
}

.mobile-nav-cta-primary {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

.mobile-nav-cta-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* モバイルナビゲーションのスクロールバー */
.mobile-nav-content::-webkit-scrollbar {
    width: 8px;
}

.mobile-nav-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
}

.mobile-nav-content::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    border-radius: 4px;
    transition: background 0.3s ease;
}

.mobile-nav-content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .header-content {
        justify-content: space-between;
        padding: 1rem;
    }

    .logo-image {
        height: 26px;
        width: auto;
    }

    .header-24h {
        display: none;
    }

    .desktop-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-nav {
        display: block;
    }

    .mobile-nav-content {
        width: 320px;
        max-width: 85%;
    }

    .mobile-nav-header {
        padding: 1.5rem 1.5rem 1rem;
    }

    .mobile-nav-header h3 {
        font-size: 1rem;
    }

    .mobile-nav-close {
        width: 32px;
        height: 32px;
        font-size: 1.3rem;
    }

    .mobile-nav-link {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        min-height: auto;
        line-height: 1.5;
    }

    .mobile-nav-link:hover,
    .mobile-nav-link.active {
        padding-left: 2rem;
    }

    .mobile-nav-cta {
        padding: 1.25rem 1.5rem 1.5rem;
    }

    .mobile-nav-cta-button {
        padding: 0.875rem 1.25rem;
        font-size: 0.95rem;
    }
}

/* ============================================
   フッター
   ============================================ */
footer {
    background: #333333;
    padding: 3rem 2rem 1rem;
}

footer,
footer * {
    color: white;
}

footer .copyright,
footer .copyright * {
    color: #999;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p {
    color: white;
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-section ul li {
    margin: 0;
    padding: 0;
}

.footer-section a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary-blue);
}

.footer-section address {
    font-style: normal;
}

.footer-section address p {
    margin-bottom: 0.5rem;
}

.footer-section address strong {
    display: block;
    margin-bottom: 0.5rem;
}

.footer-section address i {
    margin-right: 0.5rem;
    color: var(--primary-blue);
}

.group-link {
    background: var(--primary-blue);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    display: inline-block;
    margin-top: 1rem;
    transition: background 0.3s;
    text-decoration: none;
}

.group-link:hover {
    background: var(--primary-dark);
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: #999;
    font-size: 0.9rem;
}

.copyright p {
    margin: 0;
    color: #999;
}

/* パンくずリスト */
.breadcrumb-nav {
    background: var(--secondary-light);
    padding: 1rem 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.breadcrumb {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 !important;
    list-style: none !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    flex-wrap: nowrap !important;
    gap: 0;
    font-size: 0.9rem;
}

.breadcrumb li {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    color: var(--text-secondary);
    white-space: nowrap;
    float: none !important;
    width: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    list-style-type: none !important;
    position: relative;
}

.breadcrumb-separator {
    margin: 0;
    padding: 0;
    color: var(--text-secondary);
    display: flex !important;
    align-items: center;
    flex-shrink: 0;
    gap: 0;
}

.breadcrumb-space {
    display: block !important;
    width: 0.5rem;
    min-width: 0.5rem;
    height: 1em;
    flex-shrink: 0;
    white-space: pre;
    overflow: visible;
}

.breadcrumb li a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb li a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb li:last-child {
    color: var(--text-primary);
    font-weight: 500;
}

@media (max-width: 768px) {
    .breadcrumb-nav {
        padding: 0.75rem 1rem;
    }

    .breadcrumb {
        font-size: 0.85rem;
        flex-wrap: wrap;
    }
}

/* ============================================
   メインコンテンツ
   ============================================ */
.main-content {
    min-height: calc(100vh - 80px);
}

/* ============================================
   ページヒーローセクション
   ============================================ */
.page-hero {
    position: relative;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 8rem 0 4rem;
    text-align: center;
}

.page-hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.3);
    font-weight: var(--font-weight-bold);
}

.page-hero-subtitle {
    font-size: 1.25rem;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.3);
}

.page-hero nav ol {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.page-hero nav ol li a {
    color: var(--white);
    text-decoration: none;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    transition: opacity var(--transition-fast);
}

.page-hero nav ol li a:hover {
    opacity: 0.8;
}

.page-hero nav ol li {
    color: var(--white);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}