/* ===============================
   HAMBURGER
=============================== */

.hamburger {
  display: none;
}

@media screen and (max-width: 1024px) {
 .hamburger {
    display: block;
    width: 60px;
    height: 60px;
    position: fixed;
    top: 12px;
    right: 10px;
    z-index: 100000;  /* ← 18000から100000に変更 */
    box-sizing: border-box;
    padding-left: 10px;
    padding-top: 16px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }
}

.hamburger__icon {
  position: relative;
  margin-top: 13px;
  margin-bottom: 11px;
}

.hamburger__icon,
.hamburger__icon:before,
.hamburger__icon:after {
  display: block;
  width: 40px;
  height: 2px;
  background-color: #fff;
  transition: background-color 0.4s, transform 0.4s;
}

.hamburger__icon:before,
.hamburger__icon:after {
  content: "";
  position: absolute;
}

.hamburger__icon:before {
  top: -10px;
}

.hamburger__icon:after {
  top: 10px;
}

.hamburger.active .hamburger__icon {
  background-color: transparent;
}

.hamburger.active .hamburger__icon:before {
  transform: translateY(10px) rotate(45deg);
}

.hamburger.active .hamburger__icon:after {
  transform: translateY(-10px) rotate(-45deg);
}


/* ===============================
   FAT NAV BASE
=============================== */

.fat-nav {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: none;
  width: 100%;
  height: 100%;
  background-color: var(--color-navy);
  overflow-y: auto;
  overflow-x: hidden;
}

.fat-nav.active {
  display: block;
}


.fat-nav__wrapper {
  width: 100%;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  box-sizing: border-box;
  padding: 90px 0 60px;
  background-color: var(--color-navy);
}

.fat-nav__logo {
  text-align: center;
  margin-bottom: 40px;
}

.fat-nav__logo img {
  max-width: 300px;
  height: auto;
}

/* ===============================
   MENU LAYOUT
=============================== */

.full-menu {
  width: 100%;
  max-width: 1000px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin: 0 auto;
  padding: 0 40px;
  box-sizing: border-box;
}

.logo_name {
  width: 45%;
  text-align: center;
}

.logo_name .logo {
  width: 70%;
  margin: 0 auto 50px;
  filter: invert(1) contrast(100%);
}

.menu-area {
width: 90%;
margin: 0 auto;
padding: 20px 40px 40px;
border-radius: 20px;
box-sizing: border-box;
position: relative;
}

.menu-area__dora {
  position: absolute;
  right: 15px;
  bottom: 10px;
  width: 80px;
  height: auto;
  pointer-events: none;
}

.menu-area ul {
display: flex;
flex-wrap: wrap;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  list-style: none;
}

.menu-area li {
  position: relative;
  width: 100%;
  margin: 0 0 15px;
  padding: 10px 0;
  box-sizing: border-box;
}

.menu-area li .en {
color: #fff;
  text-align: left;
  font-size: 1.4rem;
  line-height: 1.3;
  font-weight: 600;
letter-spacing: 1px;
}

.menu-area li a {
  position: absolute;
  inset: 0;
  display: block;
  text-decoration: none;
}

.menu-area li a:hover {
  background-color: rgba(255,255,255,0.4);
}


/* ===============================
   SUB MENU
=============================== */

.menu-area li.has-sub {
  padding-bottom: 0;
}

.menu-area li.has-sub .en {
  margin-bottom: 14px;
}

.menu-area li.has-sub .en a {
  color: #fff;
  text-decoration: none;
  position: static;
  display: inline-block;
  transition: opacity 0.3s;
}

.menu-area li.has-sub .en a:hover {
  opacity: 0.7;
  background-color: transparent;
}

.menu-area .sub-menu {
  display: block;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0 0 0 6px;
  list-style: none;
}

.menu-area .sub-menu li {
  position: static;
  width: 100%;
  margin: 0;
  padding: 0;
}

.menu-area .sub-menu li a {
  color: rgba(255,255,255,0.75);
  font-size: 1.1rem;
  line-height: 1.3;
  text-align: left;
  font-weight: 400;
  letter-spacing: 1px;
  position: static;
  display: block;
  margin: 0;
  padding: 8px 12px;
  text-decoration: none;
  border-radius: 4px;
  transition: color 0.3s, background-color 0.3s;
}

.menu-area .sub-menu li a:hover {
  color: #fff;
  background-color: rgba(255,255,255,0.15);
}


@media screen and (max-width: 820px) {
.menu-area {
        width: 90%;
        margin: 0 auto;
}

.menu-area li {
    width: 100%;
    margin: 0 0 30px;
    padding: 0;
}
}


@media screen and (max-width: 640px) {
  .hamburger {
    width: 50px;
    height: 60px;
    top: auto;
    right: 10px;
    padding-top: 18px;
  }

  .hamburger.active .hamburger__icon:before {
transform: translateY(8px) rotate(45deg);
}

.hamburger.active .hamburger__icon:after {
transform: translateY(-8px) rotate(-45deg);
}

  .hamburger__icon,
  .hamburger__icon:before,
  .hamburger__icon:after {
    width: 30px;
  }

  .hamburger__icon:before {
    top: -8px;
  }

  .hamburger__icon:after {
    top: 8px;
  }

  .fat-nav__wrapper {
    padding: 40px 0 40px;
  }

  .fat-nav__logo {
    margin-bottom: 20px;
  }

  .fat-nav__logo img {
    width: 200px;
  }

  .logo_name .logo {
    width: 65%;
  }

.full-menu {
flex-direction: column;
align-items: flex-start;
padding: 0 10px;
}

.menu-area {
width: 100%;
}

.menu-area ul {
display: flex;
flex-wrap: wrap;
margin: 0;
padding: 0;
}

.menu-area li {
padding: 0 0 8px 10px;
margin: 0 0 15px;
box-sizing: border-box;
}

.menu-area li .en {
font-size: 1.15rem;
}

.menu-area li .ja {
font-size: 0.8rem;
margin-top: 6px;
}

.menu-area li.has-sub .en {
margin-bottom: 8px;
}

.menu-area .sub-menu li a {
font-size: 1rem;
padding: 6px 10px;
}
}