/* ============================
   Header
============================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 10rem;
  box-shadow: 0 0.2rem 0.4rem 0 rgba(79, 53, 2, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 3.6rem;
  background: var(--color-white);
}

.--top .header {
  background: var(--color-bg);
}

.header__logo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.4rem;
}

.header__logo-name-ja {
  font-family: var(--font-ja-sans);
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--color-text-brown);
  letter-spacing: 0.2rem;
  line-height: 1;
}

.header__logo-name-en {
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: 500;
  color: var(--color-text-brown);
  letter-spacing: 0.2rem;
  line-height: 1;
}

.header__right {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  height: 4.8rem;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.header__nav-item {
  position: relative;
}

.header__nav-link,
.header__nav-btn {
  font-family: var(--font-ja-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-brown);
  letter-spacing: 0.10em;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  padding: 0;
  transition: opacity 0.2s;
}

.header__nav-link:hover,
.header__nav-btn:hover {
  opacity: 0.7;
}

.header__nav-caret {
  display: inline-block;
  width: 1.1rem;
  height: 1.1rem;
  border-right: 0.15rem solid currentColor;
  border-bottom: 0.15rem solid currentColor;
  transform: rotate(45deg) translateY(-0.5rem);
  margin-right: 1.3rem;
}

.header__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 1.6rem);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-white);
  box-shadow: 0 0.4rem 1.6rem rgba(79, 53, 2, 0.12);
  border-radius: 0.4rem;
  padding: 0.6rem 0;
  min-width: 14rem;
  z-index: 200;
}

.header__dropdown::before {
  content: '';
  position: absolute;
  top: -1.6rem;
  left: 0;
  right: 0;
  height: 1.6rem;
}

.header__nav-item--has-child:hover .header__dropdown {
  display: block;
}

.header__dropdown-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2rem;
  font-family: var(--font-ja-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text-brown);
  letter-spacing: 0.08em;
  white-space: nowrap;
  transition: background 0.15s;
}

.header__dropdown-link:hover {
  background: var(--color-bg);
}

.header__dropdown-caret {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 0.1rem solid var(--color-accent);
  border-bottom: 0.1rem solid var(--color-accent);
  transform: rotate(-45deg);
  flex-shrink: 0;
}

.header__btn-contact {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1.2rem 1.6rem 1.2rem 1.8rem;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-ja-serif);
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  white-space: nowrap;
  border-radius: 0.4rem;
  transition: opacity 0.2s;
}

.header__btn-contact:hover {
  opacity: 0.85;
}

.header__btn-icon {
  width: 2.4rem;
  height: 2.4rem;
  flex-shrink: 0;
}

/* ============================================
   SP（767px以下）
============================================ */
@media (max-width: 767px) {
  /* ===========================
     Header
  =========================== */
  .header {
    height: 7.5rem;
    padding: 0 2rem;
  }

  .header__logo {
    gap: 0.6rem;
    margin-top: -0.4rem;
  }

  .header__logo-name-ja {
    font-size: 1.1rem;
    font-weight: 300;
    line-height: 1.2rem;
    letter-spacing: 0.14em;
  }

  .header__logo-name-en {
    font-size: 2.2rem;
    line-height: 1;
    letter-spacing: 0.08em;
  }

  .header__right {
    display: none;
  }

  .header__btn-hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    flex-shrink: 0;
  }

  /* ============================
     Header Drawer
  ============================ */
  .header__drawer {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    z-index: 210;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
  }

  .header__drawer.is-open {
    transform: translateX(0);
  }

  .header__drawer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 7.5rem;
    padding: 0 2.8rem;
    flex-shrink: 0;
    background: var(--color-white);
  }

  .header__drawer-leaf {
    position: absolute;
    top: 10.3rem;
    right: -4.9rem;
    width: 12.5rem;
    height: auto;
    pointer-events: none;
    z-index: 0;
  }

  .header__drawer-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .header__drawer-close img {
    width: 2.4rem;
    height: 2.4rem;
  }

  .header__drawer-nav {
    padding: 0 2.8rem;
    position: relative;
    z-index: 1;
  }

  .header__drawer-list {
    padding: 5.7rem 2.9rem 0 0.3rem;
    margin: 0;
  }

  .header__drawer-link {
    display: block;
    padding: 3.5rem 0 1rem;
    font-family: var(--font-ja-sans);
    font-size: 1.8rem;
    color: var(--color-text-brown);
    letter-spacing: 0.1em;
    border-bottom: 0.1rem solid var(--color-line);
  }

  .header__drawer-sub {
    padding: 1.2rem 0 0 0.4rem;
    margin: 0;
  }

  .header__drawer-sub-link {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.3rem 0 0 0;
    font-family: var(--font-ja-sans);
    font-size: 1.6rem;
    font-weight: 350;
    color: var(--color-text-brown);
    letter-spacing: 0.08em;
  }

  .header__drawer-caret {
    display: inline-block;
    width: 0.7rem;
    height: 0.7rem;
    border-right: 0.15rem solid var(--color-text-brown);
    border-bottom: 0.15rem solid var(--color-text-brown);
    transform: rotate(-45deg);
    flex-shrink: 0;
  }

  .header__drawer-footer {
    padding: 5.3rem 2.9rem 0;
  }

  .header__drawer-contact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;
    width: 100%;
    height: 5.3rem;
    background: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-ja-sans);
    font-size: 1.8rem;
    letter-spacing: 0.1em;
    border-radius: 0.4rem;
  }

  .header__drawer-contact-icon {
    width: 2.4rem;
    height: 2.4rem;
    flex-shrink: 0;
  }

  .header__drawer-contact-arrow {
    width: 1rem;
    height: 1.6rem;
    flex-shrink: 0;
  }
} /* end @media (max-width: 768px) */