/* YHT Navigation 2.0.0 — scoped front-end styles */
#yht-navigation-root,
#yht-navigation-root * {
  box-sizing: border-box;
}

#yht-navigation-root .custom-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--yht-nav-background-color);
  background-image: var(--yht-nav-background-image);
  background-size: var(--yht-nav-background-size);
  background-repeat: no-repeat;
  background-position: var(--yht-nav-background-position);
  z-index: 9999;
  box-shadow: var(--yht-nav-shadow);
  animation: var(--yht-nav-animation);
  isolation: isolate;
}

#yht-navigation-root .custom-nav::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--yht-nav-overlay-color);
  pointer-events: none;
  z-index: -1;
}

@keyframes yhtNavFadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

#yht-navigation-root .nav-inner {
  width: 100%;
  max-width: var(--yht-nav-max-width);
  margin: 0 auto;
  padding: var(--yht-nav-padding-y) var(--yht-nav-padding-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#yht-navigation-root .nav-logo { flex-shrink: 0; }
#yht-navigation-root .nav-logo a { display: flex; align-items: center; text-decoration: none; }
#yht-navigation-root .nav-logo img { display: block; width: auto; height: var(--yht-nav-logo-height); }

#yht-navigation-root .nav-menu {
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Noto Serif JP", serif;
  font-size: var(--yht-nav-font-size);
  font-weight: var(--yht-nav-font-weight);
  letter-spacing: var(--yht-nav-letter-spacing);
}

#yht-navigation-root .nav-menu > li { position: relative; margin: 0; padding: 0; }
#yht-navigation-root .nav-menu a {
  position: relative;
  display: block;
  padding: var(--yht-nav-item-padding-y) var(--yht-nav-item-padding-x);
  color: var(--yht-nav-text-color);
  background-color: transparent;
  text-decoration: none;
  border-radius: 0;
  transition: color .3s ease, background-color .3s ease;
}
#yht-navigation-root .nav-menu a:hover,
#yht-navigation-root .nav-menu a:focus-visible {
  color: var(--yht-nav-hover-text);
  background-color: var(--yht-nav-hover-background);
}
#yht-navigation-root .nav-menu a:focus-visible,
#yht-navigation-root .nav-overlay__link:focus-visible,
#yht-navigation-root .hamburger-overlay:focus-visible {
  outline: 2px solid var(--yht-nav-current-text);
  outline-offset: -2px;
}
#yht-navigation-root .nav-menu a.is-current,
#yht-navigation-root .nav-menu a.is-ancestor,
#yht-navigation-root .nav-menu a[aria-current="page"] {
  color: var(--yht-nav-current-text);
  background-color: var(--yht-nav-current-background);
}

#yht-navigation-root .submenu {
  position: absolute;
  top: 100%;
  left: 0;
  display: block;
  min-width: 180px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  background: var(--yht-nav-submenu-background);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  pointer-events: none;
  border-radius: 0;
  z-index: 10000;
  transition: opacity .4s ease, visibility .4s ease, transform .4s ease;
}
#yht-navigation-root .submenu li { margin: 0; padding: 0; }
#yht-navigation-root .submenu li a {
  padding: 8px 16px;
  color: var(--yht-nav-submenu-text);
  font-size: 14px;
  white-space: nowrap;
}
#yht-navigation-root .submenu li a:hover,
#yht-navigation-root .submenu li a:focus-visible { color: var(--yht-nav-submenu-text); background: rgba(255,255,255,.35); }
#yht-navigation-root .has-submenu:hover > .submenu,
#yht-navigation-root .has-submenu:focus-within > .submenu { opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto; }

#yht-navigation-root .hamburger-overlay {
  position: fixed;
  top: var(--yht-nav-hamburger-top);
  right: var(--yht-nav-hamburger-right);
  display: none;
  width: var(--yht-nav-hamburger-size);
  height: var(--yht-nav-hamburger-size);
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  z-index: 10001;
  appearance: none;
}
#yht-navigation-root .hamburger-overlay__line {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  width: var(--yht-nav-line-width);
  height: var(--yht-nav-line-thickness);
  background: var(--yht-nav-line-color);
  transform-origin: center;
  transition: transform var(--yht-nav-mobile-duration) ease, opacity var(--yht-nav-mobile-duration) ease;
}
#yht-navigation-root .hamburger-overlay__line:nth-of-type(1) { transform: translate(-50%, calc(-50% - var(--yht-nav-line-gap))); }
#yht-navigation-root .hamburger-overlay__line:nth-of-type(2) { transform: translate(-50%, -50%); }
#yht-navigation-root .hamburger-overlay__line:nth-of-type(3) { transform: translate(-50%, calc(-50% + var(--yht-nav-line-gap))); }
#yht-navigation-root .hamburger-overlay.active .hamburger-overlay__line:nth-of-type(1) { transform: translate(-50%, -50%) rotate(-45deg); }
#yht-navigation-root .hamburger-overlay.active .hamburger-overlay__line:nth-of-type(2) { opacity: 0; }
#yht-navigation-root .hamburger-overlay.active .hamburger-overlay__line:nth-of-type(3) { transform: translate(-50%, -50%) rotate(45deg); }

#yht-navigation-root .nav-overlay {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  margin: 0;
  padding: 0;
  background: var(--yht-nav-mobile-overlay);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  overflow: auto;
  z-index: 9998;
  transition: opacity var(--yht-nav-mobile-duration) ease, visibility var(--yht-nav-mobile-duration) ease;
}
#yht-navigation-root .nav-overlay[hidden] { display: none; }
#yht-navigation-root .nav-overlay.active { opacity: 1; visibility: visible; pointer-events: auto; }
#yht-navigation-root .nav-overlay__content {
  position: absolute;
  top: var(--yht-nav-mobile-position);
  left: 50%;
  width: 100%;
  max-width: 600px;
  padding: 70px 20px 40px;
  text-align: center;
  transform: translate(-50%, -50%);
}
#yht-navigation-root .nav-overlay__list { margin: 0; padding: 0; list-style: none; }
#yht-navigation-root .nav-overlay__item {
  margin: 0;
  padding: 0;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--yht-nav-mobile-duration) ease, transform var(--yht-nav-mobile-duration) ease;
}
#yht-navigation-root .nav-overlay.active .nav-overlay__item { opacity: 1; transform: translateY(0); }
#yht-navigation-root .nav-overlay.active .nav-overlay__item:nth-child(1) { transition-delay: .1s; }
#yht-navigation-root .nav-overlay.active .nav-overlay__item:nth-child(2) { transition-delay: .2s; }
#yht-navigation-root .nav-overlay.active .nav-overlay__item:nth-child(3) { transition-delay: .3s; }
#yht-navigation-root .nav-overlay.active .nav-overlay__item:nth-child(4) { transition-delay: .4s; }
#yht-navigation-root .nav-overlay.active .nav-overlay__item:nth-child(5) { transition-delay: .5s; }
#yht-navigation-root .nav-overlay.active .nav-overlay__item:nth-child(6) { transition-delay: .6s; }
#yht-navigation-root .nav-overlay.active .nav-overlay__item:nth-child(7) { transition-delay: .7s; }
#yht-navigation-root .nav-overlay.active .nav-overlay__item:nth-child(8) { transition-delay: .8s; }
#yht-navigation-root .nav-overlay.active .nav-overlay__item:nth-child(n+9) { transition-delay: .9s; }
#yht-navigation-root .nav-overlay__link {
  position: relative;
  display: inline-block;
  min-width: 180px;
  margin: 0;
  padding: var(--yht-nav-mobile-item-padding-y) var(--yht-nav-mobile-item-padding-x);
  color: #000;
  background: transparent;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Noto Serif JP", serif;
  font-size: var(--yht-nav-mobile-font-size);
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: .5px;
  text-decoration: none;
  transition: color .3s ease, background-color .3s ease;
}
#yht-navigation-root .nav-overlay__link.is-current,
#yht-navigation-root .nav-overlay__link.is-ancestor,
#yht-navigation-root .nav-overlay__link[aria-current="page"] { color: var(--yht-nav-mobile-current-text); background: var(--yht-nav-mobile-current-bg); }

#yht-navigation-root .yht-nav-label { position: relative; z-index: 1; }
#yht-navigation-root .yht-nav-badge {
  position: absolute;
  top: var(--yht-nav-badge-offset-y);
  right: var(--yht-nav-badge-offset-x);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border: 2px solid rgba(255,255,255,.9);
  border-radius: 999px;
  background: var(--yht-nav-badge-background);
  color: var(--yht-nav-badge-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  z-index: 2;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
}
#yht-navigation-root .yht-nav-badge[hidden] { display: none !important; }

body.yht-navigation-scroll-locked { overflow: hidden !important; overscroll-behavior: none; }


@media (prefers-reduced-motion: reduce) {
  #yht-navigation-root .custom-nav,
  #yht-navigation-root .submenu,
  #yht-navigation-root .hamburger-overlay__line,
  #yht-navigation-root .nav-overlay,
  #yht-navigation-root .nav-overlay__item,
  #yht-navigation-root .nav-menu a,
  #yht-navigation-root .nav-overlay__link {
    animation: none !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }
}