/* ベースフォントサイズ: 1rem = 10px */
html { font-size: 62.5%; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

/* WP Responsive Menu プラグインを無効化（独自ハンバーガーを使用するため）*/
#wprm-wrapper { display: none !important; }

/* ===========================================
   HEADER
   =========================================== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2.2rem 4rem;
  background: #fff;
  transition: box-shadow 0.5s ease;
}

header.scrolled {
  box-shadow: 0 1px 0 #e0dbd5;
}

body.admin-bar header { top: 32px; }

.logo img {
  height: 3rem;
  width: auto;
  display: block;
}

#mainNav {
  display: flex;
  align-self: stretch;
  align-items: stretch;
  gap: 3.2rem;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-item > a,
.nav-lang-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: #1a1a1a;
  text-transform: uppercase;
  transition: opacity 0.3s;
  cursor: pointer;
  user-select: none;
}

.nav-item > a:hover,
.nav-lang-label:hover { opacity: 0.5; }

.sub-toggle {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-size: 1rem;
  color: #1a1a1a;
  line-height: 1;
  transition: opacity 0.3s, transform 0.3s;
}

.sub-toggle:hover { opacity: 0.5; }

.sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 14rem;
  background: rgba(255,255,255,0.97);
  border: 1px solid #e0dbd5;
  list-style: none;
  padding: 0.6rem 0;
  white-space: nowrap;
}

@media (min-width: 961px) {
  .has-sub:hover .sub-menu {
    display: block;
  }
}

.sub-menu li a {
  display: block;
  padding: 0.9rem 2rem;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  color: #1a1a1a;
  transition: opacity 0.2s;
}

.sub-menu li a:hover { opacity: 0.5; }

.nav-lang-label {
  font-size: 1.2rem;
  letter-spacing: 0.12em;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 2.4rem;
  height: 1.6rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: #1a1a1a;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s;
}

header.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
header.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}
header.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===========================================
   FOOTER
   =========================================== */
footer {
  background: #f4f4f4;
  padding: 0;
  position: relative;
}

.footer-inner {
  max-width: 130rem;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 28rem 1fr 1fr;
  gap: 0 4rem;
  align-items: start;
  padding: 7rem 5% 7rem;
}

.footer-logo {
  display: block;
}

.footer-logo img {
  width: 16rem;
  height: auto;
  display: block;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
}

.footer-nav-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  letter-spacing: 0.22em;
  color: #333;
  text-transform: uppercase;
  display: block;
  margin-bottom: 1.8rem;
  font-weight: 400;
}

.footer-nav-item {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  letter-spacing: 0.22em;
  color: #333;
  text-transform: uppercase;
  display: block;
  margin-bottom: 1.2rem;
  transition: color 0.3s;
}

.footer-nav-item:hover { color: #999; }

.footer-contact {
  padding: 4rem 5%;
}

.footer-contact-btn {
  display: block;
  width: 100%;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  letter-spacing: 0.4em;
  color: #1a1a1a;
  text-transform: uppercase;
  background: none;
  border: 1px solid #999;
  padding: 2.8rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: color 0.45s ease, border-color 0.45s ease;
}

.footer-contact-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #1a1a1a;
  transform: translateY(100%);
  transition: transform 0.45s cubic-bezier(0.215, 0.61, 0.355, 1);
  z-index: 0;
}

.footer-contact-btn span {
  position: relative;
  z-index: 1;
}

.footer-contact-btn:hover::before {
  transform: translateY(0);
}

.footer-contact-btn:hover {
  color: #fff;
  border-color: #1a1a1a;
}

.footer-bottom {
  text-align: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  color: #999;
  padding: 2.6rem 5%;
}

/* ===========================================
   MEDIA QUERIES — header / footer
   =========================================== */
@media (max-width: 960px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 3rem 2rem;
  }

  .footer-logo {
    grid-column: 1 / -1;
  }

  .footer-logo img {
    width: 13rem;
  }

  /* 高詳細度セレクタで右ハンバーガーを確実に表示 */
  #mainHeader #navToggle,
  .nav-toggle { display: flex !important; }

  #mainHeader {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }

  #mainNav {
    position: fixed !important;
    top: 0; left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    padding: 10rem 8% 6rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
    z-index: 999;
  }

  header.nav-open #mainNav { transform: translateX(0); }

  .nav-item {
    flex-wrap: wrap;
    width: 100%;
    border-bottom: 1px solid #e0dbd5;
    padding: 1.8rem 0;
    gap: 0;
  }

  .nav-item > a,
  .nav-lang-label {
    font-size: 2rem;
    flex: 1;
  }

  .sub-toggle {
    font-size: 1.6rem;
    padding: 0.4rem;
  }

  .sub-menu {
    display: block;
    position: static;
    width: 100%;
    transform: none;
    border: none;
    background: #f9f8f6;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    white-space: normal;
  }

  .has-sub.sub-open .sub-menu { max-height: 40rem; }
  .has-sub.sub-open .sub-toggle { transform: rotate(180deg); }

  .sub-menu li a {
    font-size: 1.5rem;
    padding: 1.2rem 2rem;
  }
}

/* スマホ専用：既存テーマの上書きに対抗する高詳細度ルール */
@media (max-width: 768px) {
  #mainHeader {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
  }
  #mainHeader #navToggle,
  #navToggle {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    z-index: 1002 !important;
  }
  #mainNav {
    position: fixed !important;
    transform: translateX(100%) !important;
  }
  #mainHeader.nav-open #mainNav {
    transform: translateX(0) !important;
  }
}