/* Shared mobile layout: hamburger nav + overflow guards. Desktop nav unchanged above 900px. */
*,
*::before,
*::after {
  box-sizing: border-box;
}

img,
video,
canvas,
svg {
  max-width: 100%;
  height: auto;
}

table {
  max-width: 100%;
}

html {
  overflow-x: clip;
}

body {
  overflow-x: clip;
}

.nav-toggle {
  display: none;
}

.nav-overlay {
  display: none;
}

.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 900px) {
  body.nav-open {
    overflow: hidden;
  }

  header,
  header.no-print {
    height: 64px !important;
    min-height: 64px;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 8px 4% !important;
    gap: 8px;
  }

  header .logo-box,
  header .logo-box {
    text-align: left !important;
    margin-bottom: 0 !important;
    min-width: 0;
    flex: 1 1 auto;
  }

  header .company-name-ja,
  header .company-name-ja,
  header .company-name-ja {
    font-size: 0.92rem !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  header .company-name-en,
  header .company-name-en,
  header .company-name-en {
    font-size: 0.6rem !important;
    letter-spacing: 0 !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    margin-left: auto;
    flex-shrink: 0;
    border: 0;
    background: transparent;
    color: #fff;
    cursor: pointer;
    z-index: 2100;
    padding: 0;
  }

  .nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 1px;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  body.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  body.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
  }

  body.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(10, 18, 26, 0.45);
    z-index: 1990;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  body.nav-open .nav-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  header nav {
    position: fixed !important;
    top: 64px;
    right: 0;
    left: auto;
    width: min(320px, 88vw);
    height: calc(100dvh - 64px);
    height: calc(100vh - 64px);
    background: #1a2a3a;
    z-index: 2050;
    overflow-y: auto;
    padding: 12px 0 calc(24px + env(safe-area-inset-bottom));
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.22s ease, visibility 0.22s ease;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.25);
  }

  body.nav-open header nav {
    transform: translateX(0);
    visibility: visible;
  }

  header nav > ul {
    display: flex !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    height: auto !important;
    width: 100% !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    gap: 0 !important;
  }

  header nav > ul > li {
    display: block !important;
    height: auto !important;
    width: 100%;
    position: relative;
  }

  header nav > ul > li > a {
    display: block !important;
    height: auto !important;
    padding: 14px 20px !important;
    font-size: 0.95rem !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  header nav .dropdown {
    display: block !important;
    position: static !important;
    min-width: 0 !important;
    width: 100% !important;
    box-shadow: none !important;
    background: #12202c !important;
  }

  header nav .dropdown li a {
    padding: 12px 20px 12px 32px !important;
    font-size: 0.88rem !important;
  }

  .hero,
  .hero {
    min-height: 70vh;
    height: auto !important;
    padding: 48px 6% 56px;
  }

  .hero-content h1,
  .hero-content h1 {
    font-size: 1.45rem !important;
    letter-spacing: 0.5px !important;
    line-height: 1.45;
    word-break: break-word;
  }

  .hero-content p,
  .hero-content p,
  .hero-content h2,
  .hero-content h2 {
    font-size: 0.92rem !important;
    letter-spacing: 0.3px !important;
    line-height: 1.6;
    word-break: break-word;
    white-space: normal !important;
  }

  .section,
  .section {
    padding-left: 5% !important;
    padding-right: 5% !important;
  }

  .services-grid,
  .services-grid {
    grid-template-columns: 1fr !important;
    min-width: 0 !important;
  }

  .service-card,
  .service-card {
    width: 100% !important;
    min-width: 0 !important;
  }

  .case-study-image,
  .case-study-content,
  [style*="min-width: 300px"] {
    min-width: 0 !important;
    width: 100%;
  }

  .news-card-home,
  .news-card {
    max-width: 100%;
  }

  .price,
  .price {
    white-space: normal !important;
  }
}

@media (min-width: 901px) {
  .nav-toggle,
  .nav-overlay {
    display: none !important;
  }
}