.c-burger-btn {
  all: unset;
  position: absolute;
  top: 20px;
  right: 10px;
  z-index: var(--wp--custom--z-index--hamburger-btn);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  cursor: pointer;
}

/* 線のベース（中央の線） */
.c-burger-btn__line {
  position: relative;
  display: block;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  border-radius: 2px;
  transition: background-color 0.3s ease;

  &::before,
  &::after {
    position: absolute;
    left: 0;
    width: 100%;
    height: 100%;
    content: "";
    background-color: currentColor;
    transition:
      transform 0.3s,
      top 0.3s;
  }

  &::before {
    top: -8px;
  }

  &::after {
    top: 8px;
  }
}

.c-burger-btn__label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  white-space: nowrap;
  border: 0;
  clip-path: inset(50%);
}

// 開閉時のアニメーション（×印への変形）
.c-burger-btn[aria-expanded="true"] {
  .c-burger-btn__line {
    background-color: transparent;

    &::before {
      top: 0;
      transform: rotate(45deg);
    }

    &::after {
      top: 0;
      transform: rotate(-45deg);
    }
  }
}

/* =================================
スマホメニュー背景部分
====================================*/
.is-style-slide-menu.wp-block-navigation {
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--wp--custom--z-index--hamburger-menu);
  width: 100%;
  height: 100dvh;
  background-color: color-mix(in srgb, #fff 80%, #000);
  transform: translate(100%);
  transition: transform 0.3s;

  @include g.mq() {
    position: unset;
    inset: unset;
    z-index: unset;
    width: unset;
    height: unset;
    background-color: unset;
    transform: none;
    transition: none;
  }

  body:has(.c-burger-btn[aria-expanded="true"]) & {
    transform: translate(0%);

    @include g.mq() {
      transform: none;
    }
  }
}

/* =================================
  メニューの並び
====================================*/
//nav要素部分
.is-style-slide-menu.wp-block-navigation {
  align-items: center;
  justify-content: flex-start;
  padding-top: 64px;

  @include g.mq() {
    align-items: flex-start;
    padding-top: 0;
  }

  //ul要素
  .wp-block-navigation__container {
    flex-direction: column;
    gap: 0;
    align-items: flex-start;

    @include g.mq() {
      flex-direction: row;
      gap: var(--wp--preset--spacing--30);
    }
  }

  .wp-block-navigation-item {
    width: 100%;
    padding: 14px 0 14px 24px;

    @include g.mq() {
      width: auto;
      padding: 0;
    }
  }

  .wp-block-navigation-item__content {
    position: relative;
    display: block;
    width: 100%;

    @include g.mq() {
      width: auto;
    }

    &::after {
      position: absolute;
      top: 50%;
      right: 20px;
      width: 10px;
      height: 10px;
      content: "";
      background: #000;
      mask-image: url("../img/icon/icon-arrow-right.svg");
      mask-repeat: no-repeat;
      mask-position: center;
      mask-size: contain;
      transform: translateY(-50%);
      @include g.mq() {
        content: none;
      }
    }
  }
}

const menuBtn = document.querySelector('.c-burger-btn');

menuBtn.addEventListener('click', () => {
  const isExpanded = menuBtn.getAttribute('aria-expanded') === 'true'
  menuBtn.setAttribute('aria-expanded', String(!isExpanded));
  menuBtn.setAttribute('aria-label', !isExpanded ? 'メニューを閉じる' : 'メニューを開く');
})