/* Natchan Hair モバイル全画面メニュー（STUDIO本家の構造・スタイルを再現） */

.natchan-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 100;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.4, 0.4, 0, 1), visibility 0s linear 0.4s;
}

.natchan-menu.open {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.4s cubic-bezier(0.4, 0.4, 0, 1);
}

.natchan-menu-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.16);
  border: 0;
  padding: 0;
  cursor: pointer;
  z-index: -1;
}

.natchan-menu-panel {
  position: relative;
  width: 100%;
  height: 100%;
  background: #7b7b6e;
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0.4, 0, 1);
}

.natchan-menu.open .natchan-menu-panel {
  transform: translateY(0);
}

.natchan-menu-header {
  flex: none;
  width: 100%;
  height: 70px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  padding: 0 16px 0 0;
  box-sizing: border-box;
}

.natchan-menu-close {
  flex: none;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: #ffffff;
}

.natchan-menu-close svg {
  display: block;
  width: 32px;
  height: 32px;
  fill: #ffffff;
}

.natchan-menu-logo {
  flex: none;
  width: 110px;
  height: 153px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

.natchan-menu-logo img {
  margin-top: 40px;
  width: 110px;
  height: auto;
  display: block;
}

.natchan-menu-nav {
  flex: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: auto;
  max-width: 100%;
}

.natchan-menu-nav a {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Hina Mincho', 'Noto Serif JP', 'Noto Serif TC', serif;
  font-size: 20px;
  font-weight: 400;
  line-height: 1.4;
  color: #ffffff;
  letter-spacing: 0.01em;
  text-align: center;
  text-decoration: none;
  margin: 10px 0 0 0;
}

.natchan-menu-nav a:first-child {
  margin-top: 40px;
}