@charset "utf-8";
/* CSS Document */

/* ===============================
  nav.css（グローバルナビ専用）  
   Navigation Component
=============================== */

/* 基本構造 */
.global-nav {
  display: flex;
  gap: 24px;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.2;
}

.nav-en {
  font-size: 0.9rem;
  letter-spacing: 0.12em;
}

.nav-ja {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  opacity: 0.55;
  margin-top: 2px;
  white-space: nowrap;
}

/* current */
.global-nav a.is-current {
  color: var(--accent-color);
}

.global-nav a.is-current .nav-en {
  border-bottom: 2px solid var(--accent-color);
}

/* hover */
.global-nav a:hover {
  opacity: 0.6;
}

/* CONTACT */
.nav-contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--accent-color);
  line-height: 1.2;
}

.nav-contact:hover {
  opacity: 0.7;
}

/* ===============================
   Hamburger
=============================== */
.nav-toggle {
  background: none;
  border: none;
  padding: 0;
  position: relative;
  z-index: 300;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--bg-dark);
  margin: 6px 0;
  transition: transform 0.4s ease, opacity 0.3s ease;
}

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

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

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

/* ===============================
   Responsive (Nav only)
=============================== */
@media (min-width: 769px) {
  .nav-toggle {
    display: none;
  }

  .nav-contact {
    display: flex;
  }

  .nav-contact-item {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .global-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--bg-main);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
  }

  .global-nav.is-open {
    display: flex;
  }

  .nav-contact {
    display: none;
  }

  .nav-contact-item {
    display: flex;
  }
}