/* コンテナ（max-width:1240px） */
.header__inner,
.main__inner {
  margin: 0 auto;
  padding: 0;
}

/* ===============================
   ヘッダー・ナビ（PC共通）
   =============================== */
.header {
  background: #3860C0;
  background: linear-gradient(0deg,rgba(56, 96, 192, 1) 0%, rgba(0, 34, 115, 1) 100%);
  border-top: 3px solid #adcf3f;
  box-shadow: 0px 0px 36px -7px #c7c7c7;
  border-radius: 0px;
  position: sticky;
  top: 0;
  z-index: 999;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

/* ロゴ */
.logo img {
  height: 48px;
  width: auto;
  display: block;
}


@media (max-width: 960px) {
.logo img {
  width: 85%;
  display: block;
}
  }
  
  
/* ナビ本体 */
.nav {
  /* PCでは常に表示、SPでは後で切り替え */
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__item {
  position: relative;
}

/* 親メニューのリンク */
.nav__link {
  display: block;
  padding: 12px 12px 12px 24px;
  text-decoration: none;
  font-size: 14px;
  color: #003b82;
  position: relative;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Hoverアニメーション（下線が左から伸びる） */
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 1px;
  background-color: #d81e67;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.nav__link:hover {
  color: #dbdbdb;
}
.nav__link:visited {
  color: #003b82;
}
.nav__link:hover::after {
  transform: scaleX(1);
}

/* ===============================
   ドロップダウン（PC）
   =============================== */
.nav__item--has-children:hover > .nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__submenu {
  position: absolute;
  top: 100%;
  left: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  background-color: #fff;
  border: 1px solid #eee;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  z-index: 20;
}
.nav__submenu li {
  white-space: nowrap;
}
.nav__submenu-link {
    display: block;
    padding: 8px 24px;
    text-decoration: none;
    color: #003b82;
    font-size: 14px;
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.5rem;
    border-bottom: 1px solid #E6E6E6;
}
.nav__submenu-link:hover {
  background-color: #f1f1f1;
  color: #970b53;
}
.nav__submenu-link:visited {
  color: #003b82;
}
.nav__submenu-link_none {
    display: block;
    padding: 8px 24px;
    text-decoration: none;
    color: #9A9A9A;
    font-size: 14px;
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.5rem;
    border-bottom: 1px solid #E6E6E6;
}

/* =========================================================
  Arrow
========================================================= */
.nav-arrow {
    line-height: 1.25;
    text-decoration: none;
    position: relative;
    transition: .3s;
}
.nav-arrow:before{
    content:"";
    position:absolute;
    top:0;
    bottom:.1rem;
    left:10px;
    margin:auto;
    width: .3rem;
    height: .3rem;
    border-top: .1rem solid #666;
    border-right: .1rem solid #666;
    transform: rotate(45deg);
    transition:.3s;
}

.nav-arrow:hover:before{
	border-top: .1rem solid #666;
    border-right: .1rem solid #666;
    left:11px;
}

/* =========================================================
  Plus
========================================================= */
.nav-plus {
    line-height: 1.25;
    text-decoration: none;
    position: relative;
    transition: .3s;
}
.nav-plus:before{
    content:"";
    position:absolute;
    top:0;
    bottom:.1rem;
    left:10px;
    margin:auto;
    width: .3rem;
    height: .3rem;
    border-top: .1rem solid #666;
    border-right: .1rem solid #666;
    transform: rotate(135deg);
    transition:.3s;
}

.nav-plus:hover:before{
	border-top: .1rem solid #666;
    border-right: .1rem solid #666;
    top:3px;
}



/* ===============================
   ハンバーガー（共通）
   =============================== */
.nav-toggle {
  display: none;
}

/* アイコンの見た目 */
.nav-toggle-label {
  display: none; /* PCでは非表示。SPで表示 */
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
  position: absolute;
  left: 0;
  right: 0;
  height: 3px;
  background-color: #fff;
  border-radius: 2px;
  content: "";
  transition: transform 0.3s ease, top 0.3s ease, bottom 0.3s ease,
    opacity 0.3s ease;
}

.nav-toggle-label span {
  top: 50%;
  transform: translateY(-50%);
}

.nav-toggle-label span::before {
  top: -8px;
}

.nav-toggle-label span::after {
  bottom: -8px;
}

/* チェック時（×印に変化） */
.nav-toggle:checked + .nav-toggle-label span {
  transform: rotate(45deg);
}

.nav-toggle:checked + .nav-toggle-label span::before {
  top: 0;
  opacity: 0;
}

.nav-toggle:checked + .nav-toggle-label span::after {
  bottom: 0;
  transform: rotate(-90deg);
}

/* ===============================
   レイアウト（ブレイクポイント 960px）
   =============================== */

/* PCレイアウト（960pxより広い） */
@media (min-width: 961px) {
.header__inner {
  display: flex;
  flex-direction: column;   /* ← 2段構成にする */
  align-items: center;      /* 中央揃え */
  justify-content: center;
  margin: auto;
    
  }
.logo {
  margin-bottom: 16px;      /* ロゴとナビの間隔 */
  }
.nav {
  display: block;
  background-color: #fff;
  width: 100%;
  }
.nav__list {
  justify-content: center;
  }
    /* 子メニューを親メニューの中央に配置 */
.nav__item--has-children {
  position: relative;
  }

.nav__submenu {
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 220px; /* 必要であれば調整 */
  }

.nav__item--has-children:hover > .nav__submenu {
  transform: translateX(-50%) translateY(0);
  }
    /* スマホ時だけ最後のメニューの下にマージンをもたせたい */
.nav__list_end {
  margin-bottom: 0rem;
  }
}

/* スマートフォン・タブレットレイアウト（960px以下） */
@media (max-width: 960px) {
.header__inner {
  position: relative;
  padding: 0 3%;
  }

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

  /* ナビ全体をヘッダーの下にスライド表示する想定 */
.nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: #fff;
  border-bottom: 1px solid #eee;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  z-index: 10;
  }

  /* チェックされたら展開 */
.nav-toggle:checked ~ .nav {
  max-height: calc(100vh - 100px); /* 画面の高さ − ヘッダー分の高さ */
  overflow-y: auto;               /* ナビ内をスクロール可能に */
  -webkit-overflow-scrolling: touch; /* iOSでの慣性スクロール */
  }

.nav__list {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  }

.nav__item {
  border-top: 1px solid #f2f2f2;
  }

.nav__link {
background-color: #fff;
  padding: 12px 24px;
  }

  /* サブメニューはSPでは下に展開（hoverベース） */
.nav__submenu {
  position: static;
  border: none;
  box-shadow: none;
  opacity: 1;
  visibility: visible;
  transform: none;
  padding: 0;
  }
.nav__submenu li {
  white-space: normal;      /* 折り返しOKに戻す */
  }
.nav-plus:before{
   display: none;
}
.nav__submenu-link {
  padding-left: 32px;
  font-size: 14px;
  white-space: normal;
  word-break: break-word;   /* 長い単語でも折り返す（必要なら） */
  background-color: #fff;
  }
.nav-plus {
  color: #999999;
  background-color: #FAFAFA;
  padding-left: 0.6rem;
}
.nav__item--has-children > .nav__submenu {
    /* 必要であればここに display:none / :focus-within 等を使ったアコーディオン実装も可能 */
  }
    /* スマホ時だけ最後のメニューの下にマージンをもたせたい */
.nav__list_end {
  margin-bottom: 1rem;
  }
}