/* ==================================================
   八幡鮨 ナビゲーション CSS
   PC・モバイル／日本語・英語
================================================== */


/* ==================================================
   ナビゲーション共通
================================================== */

.custom-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;

  background-image: url("https://yahatazushi.com/wp-content/uploads/theme-japanese-papar.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;

  z-index: 9999;

  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);

  animation: yhtNavFadeInDown 1s ease;
}


/* ナビゲーション表示時のアニメーション */
@keyframes yhtNavFadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ナビゲーション内部 */
.nav-inner {
  width: 100%;
  max-width: 1200px;

  margin: 0 auto;
  padding: 0 20px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  box-sizing: border-box;
}


/* ==================================================
   ロゴ
================================================== */

.nav-logo {
  flex-shrink: 0;
}


.nav-logo a {
  display: flex;
  align-items: center;

  text-decoration: none;
}


.nav-logo img {
  display: block;

  width: auto;
  height: 50px;
}


/* 英語ナビゲーションのロゴ */
.nav-en .nav-logo img {
  height: 70px;
}


/* ==================================================
   PC用ナビゲーション
================================================== */

.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: 15px;
  font-weight: 300;
  letter-spacing: 0.5px;
}


.nav-menu > li {
  position: relative;

  margin: 0;
  padding: 0;
}


.nav-menu > li:first-child {
  margin-left: 0;
}


.nav-menu a {
  display: block;

  padding: 20px 10px;

  color: #222;
  background-color: transparent;

  text-decoration: none;

  border-radius: 0;

  transition:
    color 0.3s ease,
    background-color 0.3s ease;
}


/* マウスを乗せたとき */
.nav-menu a:hover {
  color: #000;

  background-color: rgba(214, 232, 225, 0.95);

  border-radius: 0;
}


/* キーボード操作時 */
.nav-menu a:focus-visible {
  color: #000;

  background-color: rgba(214, 232, 225, 0.95);

  outline: 2px solid #3f5d27;
  outline-offset: -2px;
}


/* ==================================================
   現在表示中ページのハイライト
================================================== */

/* PCナビゲーション */
.nav-menu a.is-current,
.nav-menu a[aria-current="page"] {
  color: #3f5d27;

  background-color: #c4e0d6;
}


/* 現在地へマウスを乗せた場合も色を維持 */
.nav-menu a.is-current:hover,
.nav-menu a[aria-current="page"]:hover {
  color: #3f5d27;

  background-color: #c4e0d6;
}


/* モバイルナビゲーション */
.nav-overlay__link.is-current,
.nav-overlay__link[aria-current="page"] {
  color: #3f5d27;

  background-color: rgba(196, 224, 214, 0.95);
}


/* ==================================================
   PC用サブメニュー
================================================== */

.submenu {
  position: absolute;
  top: 100%;
  left: 0;

  display: block;

  min-width: 180px;

  margin: 0;
  padding: 10px 0;

  list-style: none;

  background-color: rgba(214, 232, 225, 0.95);

  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);

  opacity: 0;
  visibility: hidden;

  transform: translateY(10px);

  pointer-events: none;

  border-radius: 0;

  z-index: 10000;

  transition:
    opacity 0.4s ease,
    visibility 0.4s ease,
    transform 0.4s ease;
}


.submenu li {
  margin: 0;
  padding: 0;
}


.submenu li a {
  padding: 8px 16px;

  color: #3f5d27;

  font-size: 14px;

  white-space: nowrap;

  transition:
    color 0.3s ease,
    background-color 0.3s ease;
}


.submenu li a:hover,
.submenu li a:focus-visible {
  color: #3f5d27;

  background-color: rgba(255, 255, 255, 0.35);
}


/* マウスを乗せたときにサブメニューを表示 */
.has-submenu:hover > .submenu,
.has-submenu:focus-within > .submenu {
  opacity: 1;
  visibility: visible;

  transform: translateY(0);

  pointer-events: auto;
}


/* モバイル用のサブメニューボタンは非表示 */
.submenu-toggle {
  display: none !important;
}


/* ==================================================
   ハンバーガーメニューボタン
================================================== */

.hamburger-overlay {
  position: fixed;
  top: 0;
  right: 10px;

  display: none;

  width: 48px;
  height: 48px;

  margin: 0;
  padding: 0;

  border: none;
  border-radius: 0;

  background: transparent;

  cursor: pointer;

  z-index: 10001;

  -webkit-appearance: none;
  appearance: none;
}


.hamburger-overlay:focus-visible {
  outline: 2px solid #3f5d27;
  outline-offset: 2px;
}


/* ハンバーガーの3本線 */
.hamburger-overlay__line {
  position: absolute;
  left: 11px;

  display: block;

  width: 26px;
  height: 2px;

  background-color: #3f5d27;

  transform-origin: center;

  transition:
    transform 0.6s ease,
    opacity 0.6s ease,
    background-color 0.6s ease;
}


.hamburger-overlay__line:nth-of-type(1) {
  top: 14px;
}


.hamburger-overlay__line:nth-of-type(2) {
  top: 23px;
}


.hamburger-overlay__line:nth-of-type(3) {
  top: 32px;
}


/* メニューを開いたとき */
.hamburger-overlay.active .hamburger-overlay__line {
  background-color: #3f5d27;
}


.hamburger-overlay.active .hamburger-overlay__line:nth-of-type(1) {
  transform: translateY(9px) rotate(-45deg);
}


.hamburger-overlay.active .hamburger-overlay__line:nth-of-type(2) {
  opacity: 0;
}


.hamburger-overlay.active .hamburger-overlay__line:nth-of-type(3) {
  transform: translateY(-9px) rotate(45deg);
}


/* ==================================================
   モバイル用オーバーレイメニュー
================================================== */

.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;

  width: 100%;
  width: 100vw;

  height: 100%;
  height: 100vh;
  height: 100dvh;

  margin: 0;
  padding: 0;

  background-color: rgba(214, 232, 225, 0.92);

  opacity: 0;
  visibility: hidden;

  pointer-events: none;

  overflow-x: hidden;
  overflow-y: auto;

  z-index: 9998;

  transition:
    opacity 0.6s ease,
    visibility 0.6s ease;
}


/* オーバーレイ表示中 */
.nav-overlay.active {
  opacity: 1;
  visibility: visible;

  pointer-events: auto;
}


/* オーバーレイ内のメニュー位置 */
.nav-overlay__content {
  position: absolute;
  top: 40%;
  left: 50%;

  width: 100%;
  max-width: 600px;

  padding: 70px 20px 40px;

  box-sizing: border-box;

  text-align: center;

  transform: translate(-50%, -50%);
}


/* メニューリスト */
.nav-overlay__list {
  margin: 0;
  padding: 0;

  list-style: none;
}


/* メニュー項目 */
.nav-overlay__item {
  margin: 0;
  padding: 0;

  opacity: 0;

  transform: translateY(20px);

  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}


/* オーバーレイ表示時のメニュー項目 */
.nav-overlay.active .nav-overlay__item {
  opacity: 1;

  transform: translateY(0);
}


/* 項目を順番に表示 */
.nav-overlay.active .nav-overlay__item:nth-child(1) {
  transition-delay: 0.1s;
}


.nav-overlay.active .nav-overlay__item:nth-child(2) {
  transition-delay: 0.2s;
}


.nav-overlay.active .nav-overlay__item:nth-child(3) {
  transition-delay: 0.3s;
}


.nav-overlay.active .nav-overlay__item:nth-child(4) {
  transition-delay: 0.4s;
}


.nav-overlay.active .nav-overlay__item:nth-child(5) {
  transition-delay: 0.5s;
}


.nav-overlay.active .nav-overlay__item:nth-child(6) {
  transition-delay: 0.6s;
}


.nav-overlay.active .nav-overlay__item:nth-child(7) {
  transition-delay: 0.7s;
}


.nav-overlay.active .nav-overlay__item:nth-child(8) {
  transition-delay: 0.8s;
}


/* モバイルメニューリンク */
.nav-overlay__link {
  display: inline-block;

  min-width: 180px;

  margin: 0;
  padding: 15px 20px;

  color: #000;
  background-color: transparent;

  font-family:
    "Yu Mincho",
    "Hiragino Mincho ProN",
    "Hiragino Mincho Pro",
    "Noto Serif JP",
    serif;

  font-size: 18px;
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: 0.5px;

  text-decoration: none;

  box-sizing: border-box;

  transition:
    color 0.3s ease,
    background-color 0.3s ease;
}


.nav-overlay__link:hover {
  color: #222;
}


.nav-overlay__link:focus-visible {
  color: #222;

  background-color: rgba(196, 224, 214, 0.95);

  outline: 2px solid #3f5d27;
  outline-offset: 2px;
}


/* 現在地はホバーしても色を維持 */
.nav-overlay__link.is-current:hover,
.nav-overlay__link[aria-current="page"]:hover {
  color: #3f5d27;

  background-color: rgba(196, 224, 214, 0.95);
}


/* ==================================================
   タブレット・スマートフォン
================================================== */

@media screen and (max-width: 1024px) {

  /* PC用メニューを非表示 */
  .nav-menu {
    display: none !important;
  }


  /* ハンバーガーボタンを表示 */
  .hamburger-overlay {
    display: block;
  }


  /* オーバーレイを使用可能にする */
  .nav-overlay {
    display: block;
  }


  /* 日本語ロゴ */
  .nav-jp .nav-logo img {
    height: 50px;
  }


  /* 英語ロゴ */
  .nav-en .nav-logo img {
    height: 55px;
  }


  .nav-inner {
    min-height: 55px;

    padding-right: 70px;
    padding-left: 15px;
  }
}


/* ==================================================
   スマートフォン横向き
================================================== */

@media screen and (max-width: 1024px) and (orientation: landscape) {

  .nav-overlay {
    width: 100vw;

    height: 100vh;
    height: 100dvh;

    overflow-y: auto;
  }


  .nav-overlay__content {
    position: relative;
    top: auto;
    left: auto;

    max-width: none;

    padding-top: 65px;
    padding-bottom: 30px;

    transform: none;
  }


  .nav-overlay__link {
    padding: 8px 15px;

    font-size: 16px;
  }
}


/* ==================================================
   小さいスマートフォン
================================================== */

@media screen and (max-width: 480px) {

  .nav-inner {
    padding-right: 65px;
    padding-left: 10px;
  }


  .nav-jp .nav-logo img {
    height: 46px;
  }


  .nav-en .nav-logo img {
    height: 50px;
  }


  .nav-overlay__content {
    top: 45%;

    padding-right: 10px;
    padding-left: 10px;
  }


  .nav-overlay__link {
    min-width: 170px;

    padding: 12px 15px;

    font-size: 17px;
  }
}


/* ==================================================
   動きを減らす設定を使用している端末
================================================== */

@media (prefers-reduced-motion: reduce) {

  .custom-nav,
  .submenu,
  .hamburger-overlay__line,
  .nav-overlay,
  .nav-overlay__item,
  .nav-menu a,
  .nav-overlay__link {
    animation: none !important;

    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}