/* ==========================================================================
   KASA - Responsive Stylesheet (Tablet, Mobile)
   ========================================================================== */

/* コンテナ左右の余白が 30px 未満になる幅では、横方向のスライドインが画面をはみ出すため縦方向のフェードに統一 */
@media (max-width: 1260px) {
  .reveal-ready .fade-init.fade-left:not(.is-visible),
  .reveal-ready .fade-init.fade-right:not(.is-visible) {
    transform: translateY(28px);
  }
}

@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .divisions-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .pc-only {
    display: none !important;
  }

  .sp-only {
    display: inline !important;
  }
  
  .section {
    padding: 3.75rem 0;
  }
  
  .section-title {
    font-size: 1.85rem;
  }
  
  .section-header {
    margin-bottom: 2.5rem;
  }

  /* Navigation Mobile Menu */
  .mobile-toggle {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    gap: 1.25rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform var(--transition-normal);
    z-index: 999;
  }
  
  .nav-links.active {
    transform: translateY(0);
  }
  
  .nav-actions .btn {
    display: none;
  }
  
  /* Hero */
  .hero {
    padding-top: calc(var(--header-height) + 2rem);
    padding-bottom: 3.5rem;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .hero-title {
    font-size: 2.15rem;
  }
  
  .hero-desc {
    font-size: 1rem;
  }
  
  .hero-stat-floating {
    position: static;
    margin-top: 1rem;
  }
  
  .hero-main-img {
    height: 280px;
  }
  
  /* About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
  
  /* Divisions */
  .divisions-grid {
    grid-template-columns: 1fr;
  }
  
  /* Timeline */
  .timeline::before {
    left: 16px;
  }
  
  .timeline-dot {
    left: 7px;
    width: 18px;
    height: 18px;
  }
  
  .timeline-item {
    padding-left: 42px;
    margin-bottom: 2rem;
  }
  
  .timeline-content {
    padding: 1.25rem;
  }
  
  /* News */
  .news-grid {
    grid-template-columns: 1fr;
  }

  
  /* Recruit */
  .recruit-card {
    padding: 2rem 1.5rem;
  }
  
  .recruit-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .faculty-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Contact */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .contact-form {
    padding: 1.5rem;
  }
  
  /* Footer */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-cta .btn {
    width: 100%;
  }
  
  .hero-trust-badges {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .about-gallery {
    grid-template-columns: 1fr;
  }
  
  .about-gallery-item:first-child {
    grid-column: span 1;
    height: 180px;
  }
  
  .about-gallery-item {
    height: 160px;
  }
  
  .sponsor-banner {
    padding: 2rem 1.25rem;
  }

  .x-actions {
    gap: 0.6rem;
  }

  .faculty-grid {
    grid-template-columns: 1fr;
  }

  /* Crowdfunding Notification Bar Responsive (Mobile) */
  .cf-teaser-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .cf-teaser-link {
    width: 100%;
    justify-content: center;
  }
}