/* Ultra Modern Responsive Design 2026 */

/* Large Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .main-container {
    gap: var(--spacing-xl);
  }

  .hero-section {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .hero-title {
    font-size: var(--font-size-xxl);
  }

  .hero-description {
    font-size: var(--font-size-base);
  }

  /* Navigation - フォントと隙間を調整して1行に収める */
  .nav-list {
    gap: 4px;
  }

  .nav-list li a {
    padding: var(--spacing-sm) 12px;
    font-size: 14px;
  }
}

/* Tablet (max-width: 768px) */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 24px;
    --spacing-xl: 36px;
    --spacing-xxl: 56px;
    --font-size-xxxl: 36px;
    --font-size-xxl: 28px;
    --font-size-xl: 20px;
  }

  .container {
    padding: 0 16px;
  }

  /* Header */
  .header-main {
    padding: var(--spacing-md) 0;
  }

  .site-logo a {
    font-size: var(--font-size-xxl);
  }

  .site-logo a img {
    height: 50px;
  }

  /* Hamburger Menu */
  .hamburger {
    display: flex;
  }

  /* Navigation */
  .site-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--color-bg-card);
    box-shadow: var(--shadow-2xl);
    transition: right var(--transition-base);
    z-index: var(--z-sticky);
    overflow-y: auto;
  }

  .site-nav.is-open {
    right: 0;
  }

  .site-nav .container {
    padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-lg);
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .nav-list li {
    width: 100%;
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav-list li:last-child {
    border-bottom: none;
  }

  .nav-list li a {
    width: 100%;
    padding: var(--spacing-md);
    border-radius: 0;
    justify-content: flex-start;
    font-size: var(--font-size-base);
  }

  .nav-list li a::before {
    display: none;
  }

  /* Overlay */
  body.menu-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-sticky) - 1);
    animation: fadeIn 0.3s;
  }

  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  /* Navigation */
  .nav-list {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
  }

  .nav-list li a {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-xs);
  }

  /* Main Container - Single Column */
  .main-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl) 0;
  }

  .sidebar {
    position: static;
    max-height: none;
  }

  /* Hero Section */
  .hero-section {
    padding: var(--spacing-xl) var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
  }

  .hero-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
  }

  .hero-description {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
  }

  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .hero-btn {
    width: 100%;
    justify-content: center;
  }

  /* Action Boxes */
  .action-boxes {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .action-box {
    padding: var(--spacing-xl) 8px;
  }

  .action-box h3 {
    font-size: var(--font-size-lg);
  }

  /* Section */
  .section {
    margin-bottom: var(--spacing-xl);
  }

  .section-title,
  .page-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
  }

  /* News List */
  .news-item {
    padding: var(--spacing-md) 8px;
  }

  .news-link {
    font-size: var(--font-size-sm);
  }

  /* Lender/Borrower Cards */
  .lender-card,
  .borrower-card {
    padding: var(--spacing-md) 16px;
  }

  /* Page Header */
  .page-header {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .btn-post {
    width: 100%;
  }

  /* Search Result Header */
  .search-result-header {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 8px;
  }

  .result-count {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
  }

  .search-toggle-btn {
    margin-left: 0;
  }

  .search-result-header .pagination {
    justify-content: center !important;
  }

  /* Compact Search Form */
  .search-form-compact {
    padding: var(--spacing-sm);
  }

  .search-row {
    flex-direction: column;
  }

  .search-field {
    width: 100%;
  }

  .search-field select,
  .search-field input[type="number"] {
    width: 100%;
  }

  .search-actions {
    width: 100%;
    margin-left: 0;
  }

  .btn-search,
  .btn-clear {
    flex: 1;
  }

  /* Sidebar Banners - トップページのスマホでは非表示（上部に同じバナーがあるため） */
  .page-index .sidebar-banners {
    display: none;
  }

  /* Footer */
  .footer-menu {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg) var(--spacing-xl);
  }

  .footer-heading,
  .footer-menu-section h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
  }

  .footer-links a,
  .footer-menu-section a {
    font-size: var(--font-size-sm);
  }
}

/* Mobile (max-width: 480px) */
@media (max-width: 480px) {
  :root {
    --spacing-sm: 10px;
    --spacing-md: 16px;
    --spacing-lg: 20px;
    --spacing-xl: 28px;
    --spacing-xxl: 40px;
    --font-size-xxxl: 28px;
    --font-size-xxl: 22px;
    --font-size-xl: 18px;
    --font-size-lg: 16px;
    --font-size-base: 15px;
    --font-size-sm: 13px;
  }

  .container {
    padding: 0 8px;
  }

  /* Header */
  .header-top {
    padding: var(--spacing-xs) 0;
  }

  .header-tagline {
    font-size: 11px;
    padding: 0 8px;
    line-height: 1.4;
  }

  .header-main {
    padding: var(--spacing-md) 0;
  }

  .site-logo {
    text-align: left;
  }

  .site-logo a {
    font-size: var(--font-size-xl);
    letter-spacing: 0.08em;
  }

  .site-logo a img {
    height: 40px;
  }

  /* Hamburger Menu */
  .hamburger {
    display: flex;
  }

  /* Navigation */
  .site-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg-card);
    box-shadow: var(--shadow-2xl);
    transition: right var(--transition-base);
    z-index: var(--z-sticky);
    overflow-y: auto;
  }

  .site-nav.is-open {
    right: 0;
  }

  .site-nav .container {
    padding: var(--spacing-xxl) var(--spacing-md) var(--spacing-lg);
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .nav-list li {
    width: 100%;
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav-list li:last-child {
    border-bottom: none;
  }

  .nav-list li a {
    width: 100%;
    padding: var(--spacing-md);
    border-radius: 0;
    justify-content: flex-start;
    font-size: var(--font-size-base);
  }

  .nav-list li a::before {
    display: none;
  }

  /* Overlay */
  body.menu-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-sticky) - 1);
    animation: fadeIn 0.3s;
  }

  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  /* Main Container */
  .main-container {
    padding: var(--spacing-md) 0;
  }

  /* Breadcrumb */
  .breadcrumb {
    padding: var(--spacing-sm) 8px;
    margin-bottom: var(--spacing-md);
  }

  /* Page Header */
  .page-header {
    margin-bottom: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .btn-post {
    width: 100%;
  }

  /* Search Result Header */
  .search-result-header {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 8px;
  }

  .result-count {
    text-align: center;
  }

  .search-result-header .pagination {
    justify-content: center !important;
  }


  /* Content Section */
  .content-section {
    padding: 0;
    margin: 0;
  }

  /* Lender/Borrower Cards */
  .lender-card,
  .borrower-card {
    padding: var(--spacing-md) 16px;
    margin-bottom: var(--spacing-md);
  }

  .lender-header {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .lender-info-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }

  .lender-message {
    padding: var(--spacing-sm);
  }

  .message-avatar {
    font-size: 36px;
  }

  /* Pagination */
  .pagination-wrapper {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
  }

  .pagination {
    gap: 4px;
    flex-wrap: wrap;
    justify-content: center !important;
  }

  .pagination-link {
    min-width: 32px;
    height: 32px;
    padding: 4px 8px;
    font-size: 13px;
  }

  /* Hero Section */
  .hero-section {
    padding: var(--spacing-lg) 8px;
    border-radius: var(--border-radius-lg);
  }

  .hero-title {
    font-size: calc(var(--font-size-lg) + 2px);
    margin-bottom: var(--spacing-sm);
  }

  .hero-title br {
    display: none;
  }

  .hero-description {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
  }

  .hero-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
  }

  /* Section */
  .section {
    margin-bottom: var(--spacing-lg);
  }

  .section-title,
  .page-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
  }

  .section-title::after,
  .page-title::after {
    width: 60px;
    height: 3px;
  }

  /* News List */
  .news-item {
    padding: 8px;
    border-radius: var(--border-radius-md);
  }

  .news-date {
    font-size: 11px;
    margin-right: var(--spacing-sm);
  }

  .news-category {
    font-size: 10px;
    padding: 4px var(--spacing-sm);
    margin-right: var(--spacing-sm);
  }

  .news-link {
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: block;
  }

  /* Action Boxes */
  .action-boxes {
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
  }

  .action-box {
    padding: var(--spacing-lg) 8px;
    border-radius: var(--border-radius-lg);
  }

  .action-box h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
  }

  .action-box p {
    font-size: var(--font-size-sm);
  }

  /* Notice Box */
  .notice-box {
    padding: 8px;
    margin-bottom: var(--spacing-xl);
    border-radius: var(--border-radius-md);
  }

  .notice-box p {
    font-size: var(--font-size-sm);
  }

  /* Forms - スマホ対応 */
  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .form-group-half {
    margin-bottom: var(--spacing-md);
  }

  .form-date-group {
    gap: 4px;
    flex-wrap: nowrap;
  }

  .form-date-group span {
    font-size: 13px;
    white-space: nowrap;
  }

  .form-select-year {
    width: 90px;
    font-size: 14px;
    padding: 8px 8px;
  }

  .form-select-month,
  .form-select-day {
    width: 65px;
    font-size: 14px;
    padding: 8px 8px;
  }

  .form-time-group {
    gap: 4px;
    flex-wrap: nowrap;
  }

  .form-time-group span {
    font-size: 13px;
    white-space: nowrap;
  }

  .form-select-hour {
    width: 65px;
    font-size: 14px;
    padding: 8px 8px;
  }

  .form-input,
  .form-textarea {
    font-size: 16px;
  }

  .form-select {
    font-size: 16px;
    padding: 8px 10px;
  }

  /* Sidebar */
  .sidebar-banners {
    flex-direction: column;
  }

  .sidebar-widget,
  .widget {
    padding: 8px;
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-md);
  }

  .widget-title {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
  }

  /* Blog List */
  .blog-thumbnail {
    width: 70px;
    height: 70px;
    border-radius: var(--border-radius-sm);
  }

  .blog-title {
    font-size: var(--font-size-sm);
  }

  .blog-excerpt {
    font-size: var(--font-size-xs);
  }

  /* Search Box */
  .search-box {
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs);
  }

  .search-input {
    padding: var(--spacing-sm);
  }

  .search-submit {
    width: 100%;
    padding: var(--spacing-sm);
  }

  /* Footer */
  .site-footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xxl);
  }

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

  .footer-column {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .footer-column:last-child {
    border-bottom: none;
  }

  .footer-heading,
  .footer-menu-section h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
  }

  .footer-links,
  .footer-menu-section ul {
    gap: var(--spacing-xs);
  }

  .footer-links a,
  .footer-menu-section a {
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) 0;
  }

  .footer-copyright {
    font-size: var(--font-size-xs);
    padding-top: var(--spacing-md);
    line-height: 1.6;
  }
}

/* Print Styles */
@media print {
  .site-header,
  .site-nav,
  .sidebar,
  .site-footer,
  .hero-buttons {
    display: none;
  }

  .main-container {
    grid-template-columns: 1fr;
    padding: 0;
  }

  body {
    background: white;
    color: black;
  }

  .news-item,
  .action-box,
  .widget {
    border: 1px solid #000;
    box-shadow: none;
    page-break-inside: avoid;
  }

  a {
    text-decoration: underline;
    color: #000;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #ff8800;
    --color-secondary: #000000;
    --color-text: #000000;
    --color-border: #000000;
    --color-bg: #ffffff;
  }

  .hero-btn,
  .search-submit {
    border: 3px solid #000000;
  }

  .news-item,
  .action-box,
  .widget {
    border: 2px solid #000000;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-section::before,
  .hero-section::after {
    animation: none !important;
  }
}

/* Dark Mode Support (Future) */
@media (prefers-color-scheme: dark) {
  /* 将来的なダークモード対応用 */
  /*
  :root {
    --color-bg: #0F172A;
    --color-bg-card: #1E293B;
    --color-text: #F1F5F9;
    --color-border: #334155;
  }
  */
}