/* ======================================================
   EXA Fullscreen Menu Common
   equipment / recruit
   - PC: 2 columns
   - SP: 1 column
   - iPhone Safari / Chrome 100vh対策込み
====================================================== */

:root {
  --exa-menu-bg-1: #05182e;
  --exa-menu-bg-2: #0a2d55;
  --exa-menu-bg-3: #061326;
  --exa-menu-radial-1: rgba(25, 118, 210, 0.24);
  --exa-menu-radial-2: rgba(0, 167, 219, 0.18);
  --exa-menu-panel-bg: rgba(255, 255, 255, 0.045);
  --exa-menu-panel-border: rgba(255, 255, 255, 0.16);
  --exa-menu-panel-shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
  --exa-menu-accent: #90caf9;
  --exa-menu-accent-soft: rgba(144, 202, 249, 0.66);
  --exa-menu-text: #ffffff;
  --exa-menu-muted: rgba(255, 255, 255, 0.78);
  --exa-menu-home: rgba(255, 255, 255, 0.74);
  --exa-menu-toggle-color: #ffffff;
  --exa-menu-toggle-light-color: #111111;
  --exa-menu-cta-bg: rgba(144, 202, 249, 0.08);
  --exa-menu-cta-border: rgba(144, 202, 249, 0.56);
  --exa-menu-cta-hover-bg: #90caf9;
  --exa-menu-cta-hover-color: #05182e;
  --exa-menu-brand-filter: brightness(0) invert(1);
  --exa-menu-open-x: calc(100% - 60px);
  --exa-menu-open-y: 40px;
  --exa-menu-open-x-sp: calc(100% - 34px);
  --exa-menu-open-y-sp: 33px;
  --exa-menu-z: 999;
  --exa-menu-toggle-z: 1201;
}

/* 採用ページ用カラー */
.sr-page {
  --exa-menu-bg-1: #003b73;
  --exa-menu-bg-2: #0059a8;
  --exa-menu-bg-3: #0075c2;
  --exa-menu-radial-1: rgba(255, 255, 255, 0.16);
  --exa-menu-radial-2: rgba(0, 167, 219, 0.24);
  --exa-menu-panel-bg: rgba(255, 255, 255, 0.08);
  --exa-menu-panel-border: rgba(255, 255, 255, 0.2);
  --exa-menu-panel-shadow: 0 28px 90px rgba(0, 32, 72, 0.34);
  --exa-menu-accent: #dff5ff;
  --exa-menu-accent-soft: rgba(220, 245, 255, 0.72);
  --exa-menu-toggle-light-color: #003b73;
  --exa-menu-cta-bg: rgba(255, 255, 255, 0.1);
  --exa-menu-cta-border: rgba(255, 255, 255, 0.52);
  --exa-menu-cta-hover-bg: #ffffff;
  --exa-menu-cta-hover-color: #0059a8;
  --exa-menu-brand-filter: none;
  --exa-menu-open-x: calc(100% - 45px);
}

body.menu-active {
  overflow: hidden;
}

/* =========================
   Header / Hamburger
========================= */
.site-header,
.sr-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent;
  z-index: 1200;
  pointer-events: none;
}

.site-header {
  height: 80px;
  display: flex;
  align-items: center;
  transition: transform 0.4s ease, background 0.4s ease;
}

.sr-header {
  height: 72px;
}

body.menu-active .site-header,
body.menu-active .sr-header {
  background: transparent;
  backdrop-filter: none;
}

.nav-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 0 40px;
  pointer-events: none;
}

.sr-header .sr-header-inner,
.sr-header .sr-logo,
.sr-header .sr-header-icons {
  pointer-events: auto;
}

.nav-toggle {
  display: block;
  width: 34px;
  height: 24px;
  position: fixed;
  top: 28px;
  right: 24px;
  z-index: var(--exa-menu-toggle-z);
  margin: 0;
  padding: 0;
  background: transparent;
  border: 0;
  outline: none;
  cursor: pointer;
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
}

.sr-header .nav-toggle {
  right: 28px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  position: absolute;
  left: 0;
  background: var(--exa-menu-toggle-color);
  border-radius: 999px;
  transition:
    top 0.35s ease,
    transform 0.42s cubic-bezier(0.68, -0.55, 0.265, 1.55),
    opacity 0.25s ease,
    background 0.3s ease;
}

.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 10px; }
.nav-toggle span:nth-child(3) { top: 20px; }

body.nav-on-light .nav-toggle span {
  background: var(--exa-menu-toggle-light-color);
}

body.menu-active .nav-toggle span {
  background: #fff;
}

body.menu-active .nav-toggle span:nth-child(1) {
  top: 10px;
  transform: rotate(45deg);
}

body.menu-active .nav-toggle span:nth-child(2) {
  opacity: 0;
  transform: translateX(-18px);
}

body.menu-active .nav-toggle span:nth-child(3) {
  top: 10px;
  transform: rotate(-45deg);
}

/* =========================
   Fullscreen Menu
========================= */
.fullscreen-menu {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100vh;   /* fallback */
  height: 100svh;  /* iOS Safari stable viewport */
  height: 100dvh;  /* modern dynamic viewport */
  min-height: -webkit-fill-available;
  z-index: var(--exa-menu-z);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 96px 0 48px;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  pointer-events: none;
  clip-path: circle(0% at var(--exa-menu-open-x) var(--exa-menu-open-y));
  transition: clip-path 0.82s cubic-bezier(0.77, 0, 0.175, 1);
  background:
    radial-gradient(circle at 18% 20%, var(--exa-menu-radial-1), transparent 30%),
    radial-gradient(circle at 82% 78%, var(--exa-menu-radial-2), transparent 34%),
    linear-gradient(135deg, var(--exa-menu-bg-1) 0%, var(--exa-menu-bg-2) 50%, var(--exa-menu-bg-3) 100%);
}

body.menu-active .fullscreen-menu {
  clip-path: circle(150% at var(--exa-menu-open-x) var(--exa-menu-open-y));
  pointer-events: auto;
}

.mobile-fullmenu {
  width: min(1120px, calc(100% - 80px));
  color: var(--exa-menu-text);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease 0.16s, transform 0.5s ease 0.16s;
}

body.menu-active .mobile-fullmenu {
  opacity: 1;
  transform: translateY(0);
}

.mobile-fullmenu__inner {
  padding: clamp(32px, 5vw, 64px);
  border: 1px solid var(--exa-menu-panel-border);
  background: var(--exa-menu-panel-bg);
  box-shadow: var(--exa-menu-panel-shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-sizing: border-box;
}

.mobile-fullmenu__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: clamp(24px, 3.4vw, 42px);
  margin-bottom: clamp(28px, 4vw, 52px);
  border-bottom: 1px solid var(--exa-menu-panel-border);
}

.mobile-fullmenu__brand-logo {
  display: block;
  width: min(230px, 44vw);
  height: auto;
  filter: var(--exa-menu-brand-filter);
}

.mobile-fullmenu__home {
  color: var(--exa-menu-home);
  text-decoration: none;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  transition: color 0.3s ease, transform 0.3s ease;
}

.mobile-fullmenu__home:hover {
  color: #fff;
  transform: translateX(4px);
}

.mobile-fullmenu__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 54px) clamp(42px, 6vw, 86px);
}

.mobile-fullmenu__group {
  min-width: 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

body.menu-active .mobile-fullmenu__group {
  opacity: 1;
  transform: translateY(0);
}

body.menu-active .mobile-fullmenu__group:nth-child(1) { transition-delay: 0.22s; }
body.menu-active .mobile-fullmenu__group:nth-child(2) { transition-delay: 0.30s; }
body.menu-active .mobile-fullmenu__group:nth-child(3) { transition-delay: 0.38s; }
body.menu-active .mobile-fullmenu__group:nth-child(4) { transition-delay: 0.46s; }

.mobile-fullmenu__group-title {
  margin: 0 0 18px;
  color: var(--exa-menu-accent);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 900;
  letter-spacing: 0.16em;
  line-height: 1.2;
}

.mobile-fullmenu__group-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.mobile-fullmenu__group-list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--exa-menu-muted);
  text-decoration: none;
  font-size: clamp(15px, 1.55vw, 18px);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.7;
  transition: color 0.3s ease, transform 0.3s ease;
}

.mobile-fullmenu__group-list a::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--exa-menu-accent-soft);
  transition: width 0.3s ease, background 0.3s ease;
}

.mobile-fullmenu__group-list a:hover {
  color: #fff;
  transform: translateX(8px);
}

.mobile-fullmenu__group-list a:hover::before {
  width: 30px;
  background: #fff;
}

.mobile-fullmenu__cta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(34px, 4vw, 58px);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.45s ease 0.50s, transform 0.45s ease 0.50s;
}

body.menu-active .mobile-fullmenu__cta {
  opacity: 1;
  transform: translateY(0);
}

.mobile-fullmenu__maincta {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 16px 20px;
  border: 1px solid var(--exa-menu-cta-border);
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.14em;
  background: var(--exa-menu-cta-bg);
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}

.mobile-fullmenu__maincta:hover {
  background: var(--exa-menu-cta-hover-bg);
  border-color: var(--exa-menu-cta-hover-bg);
  color: var(--exa-menu-cta-hover-color);
  transform: translateY(-3px);
}

/* =========================
   iPhone / SP viewport fix
========================= */
@media (max-width: 768px) {
  .nav-container {
    padding: 0 20px;
  }

  .nav-toggle {
    width: 32px;
    height: 22px;
    top: 22px;
    right: 16px;
  }

  .sr-header .nav-toggle {
    right: 18px;
  }

  .nav-toggle span {
    height: 2px;
  }

  .nav-toggle span:nth-child(1) { top: 0; }
  .nav-toggle span:nth-child(2) { top: 9px; }
  .nav-toggle span:nth-child(3) { top: 18px; }

  body.menu-active .nav-toggle span:nth-child(1),
  body.menu-active .nav-toggle span:nth-child(3) {
    top: 9px;
  }

  .fullscreen-menu {
    align-items: flex-start;
    justify-content: center;
    clip-path: circle(0% at var(--exa-menu-open-x-sp) var(--exa-menu-open-y-sp));

    /* iPhone Safari / Chrome 下部バー対策 */
    padding-top: calc(82px + env(safe-area-inset-top));
    padding-right: 0;
    padding-left: 0;
    padding-bottom: calc(160px + env(safe-area-inset-bottom));
  }

  body.menu-active .fullscreen-menu {
    clip-path: circle(150% at var(--exa-menu-open-x-sp) var(--exa-menu-open-y-sp));
  }

  .mobile-fullmenu {
    width: calc(100% - 32px);
    margin: 0 auto;
  }

  .mobile-fullmenu__inner {
    padding: 30px 22px 26px;
  }

  .mobile-fullmenu__top {
    align-items: flex-start;
    margin-bottom: 28px;
    padding-bottom: 22px;
  }

  .mobile-fullmenu__brand-logo {
    width: min(190px, 58vw);
  }

  .mobile-fullmenu__grid,
  .mobile-fullmenu__cta {
    grid-template-columns: 1fr;
  }

  .mobile-fullmenu__grid {
    gap: 26px;
  }

  .mobile-fullmenu__group-title {
    margin-bottom: 12px;
  }

  .mobile-fullmenu__group-list {
    gap: 8px;
  }

  .mobile-fullmenu__group-list a:hover {
    transform: translateX(0);
  }

  .mobile-fullmenu__cta {
    margin-bottom: calc(24px + env(safe-area-inset-bottom));
  }
}

@media (prefers-reduced-motion: reduce) {
  .fullscreen-menu,
  .mobile-fullmenu,
  .mobile-fullmenu__group,
  .mobile-fullmenu__cta,
  .nav-toggle span {
    transition: none;
  }
}