/* =========================================
   gnv4.css
   - base.css の影響を受けにくいセレクタで隔離
   - PC：#gnv4 のみ fixed
   - SP：#header を fixed、ドロワーは header 下から
   - SP：トグルは #header 内に置く前提（中央揃えでズレない）
   - ★ トグルが #gnv4 の外でも × アニメが動く（html.gnv4-drawer-open）
   ========================================= */

#gnv4, #gnv4 * { box-sizing: border-box; }

#gnv4 ul, #gnv4 li {
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
}

#gnv4 a, #gnv4 a:visited, #gnv4 a:hover, #gnv4 a:active, #gnv4 a:focus {
  text-decoration: none !important;
  outline: none;
}

/* 旧CSSの float などを打ち消し */
#gnv4 li, #gnv4 a { float: none !important; width: auto !important; }

/* ─────────────────────────────────────
   基本（変数）
───────────────────────────────────── */
.gnv4 {
  /* ===== PC 1階層の高さ：2階層(16+16+line-height)に合わせて縮める ===== */
  --gnv4-bar-h: 52px;

  --gnv4-blue: #0b67a8;
  --gnv4-blue-dark: #095a93;

  --gnv4-lv2-bg: #f2f2f2;
  --gnv4-lv3-bg: #ffffff;

  --gnv4-lv2-bg-sp: #f3f4f6;
  --gnv4-lv3-bg-sp: #ffffff;

  --gnv4-link: #0b4ea2;
  --gnv4-border: rgba(0,0,0,.10);

  /* PC：2階層/3階層の行パディングを統一（Lv3も同一に固定） */
  --gnv4-sub-pad-y: 16px;
  --gnv4-sub-pad-l: 16px;
  --gnv4-sub-pad-r: 48px;

  /* JSで入る：SP header 高さ */
  --gnv4-header-h: 0px;

  width: 100%;
  background: var(--gnv4-blue);
  position: relative;
  z-index: 14000000000;
}

/* PC：グロナビのみ追尾 */
.gnv4.gnv4--fixed {
  position: fixed !important;
  top: 0; left: 0; right: 0;
}
.gnv4.gnv4--shadow { box-shadow: 0 10px 24px rgba(0,0,0,.18); }

/* ─────────────────────────────────────
   #header（SP固定用）
   ※ トグルを #header 内に置くので、基準にする
───────────────────────────────────── */
#header { position: relative; } /* ★ これが正攻法のキモ */

#header.gnv4-header {
  position: relative; /* 念のため維持 */
  z-index: 20050;
}
#header.gnv4-header.gnv4-header--fixed {
  position: fixed !important;
  top: 0; left: 0; right: 0;
  background: #fff;
}
#header.gnv4-header.gnv4-header--shadow {
  box-shadow: 0 10px 24px rgba(0,0,0,.18);
}

/* ロゴ少し小さめ */
#header.gnv4-header .logo img,
#header.gnv4-header #logo img,
#header.gnv4-header .header-logo img,
#header.gnv4-header .head-logo img {
  max-height: 54px;
  width: auto;
  height: auto;
}
@media (max-width: 860px) {
  #header.gnv4-header .logo img,
  #header.gnv4-header #logo img,
  #header.gnv4-header .header-logo img,
  #header.gnv4-header .head-logo img {
    max-height: 40px;
  }
}

/* ─────────────────────────────────────
   PC：1階層（横並び）
───────────────────────────────────── */
.gnv4__menu { display: flex; align-items: stretch; }

.gnv4__item {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  border-left: 1px solid rgba(255,255,255,.14);
}
.gnv4__item:first-child { border-left: none; }

/* 1階層：白文字固定 */
.gnv4__link,
.gnv4__link:visited,
.gnv4__link:hover,
.gnv4__link:active,
.gnv4__link:focus {
  height: var(--gnv4-bar-h);
  display: flex !important;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  color: #fff !important;
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  letter-spacing: .02em;
  position: relative;
}

.gnv4__item--has > .gnv4__link { padding-right: 52px; }
.gnv4__item--has > .gnv4__link::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 5px;
  height: 5px;
  border-right: 2px solid rgba(255,255,255,.92);
  border-bottom: 2px solid rgba(255,255,255,.92);
  transform: translateY(-58%) rotate(45deg);
}

@media (hover: hover) and (pointer: fine) {
  .gnv4__item:hover > .gnv4__link { background: var(--gnv4-blue-dark); }
}
.gnv4__item.is-open > .gnv4__link { background: var(--gnv4-blue-dark); }

/* ─────────────────────────────────────
   PC：2階層/3階層（右へ）
───────────────────────────────────── */
.gnv4__panel {
  display: none;
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  background: var(--gnv4-lv2-bg);
  border: 1px solid var(--gnv4-border);
  box-shadow: 0 10px 24px rgba(0,0,0,.18);
  z-index: 15000;
  overflow: visible;
}

.gnv4__panel--lvl3 {
  top: 0;
  left: 100%;
  width: 100%;
  background: var(--gnv4-lv3-bg);
  z-index: 15500;
}

.gnv4__subitem { border-top: 1px solid rgba(0,0,0,.06); }
.gnv4__subitem:first-child { border-top: none; }

/* Lv2/Lv3：padding/行の高さを完全に統一（base.cssのズレを潰す） */
#gnv4 .gnv4__panel--lvl2 .gnv4__sublink,
#gnv4 .gnv4__panel--lvl3 .gnv4__sublink,
#gnv4 .gnv4__panel--lvl2 .gnv4__sublink:visited,
#gnv4 .gnv4__panel--lvl3 .gnv4__sublink:visited,
#gnv4 .gnv4__panel--lvl2 .gnv4__sublink:hover,
#gnv4 .gnv4__panel--lvl3 .gnv4__sublink:hover,
#gnv4 .gnv4__panel--lvl2 .gnv4__sublink:active,
#gnv4 .gnv4__panel--lvl3 .gnv4__sublink:active,
#gnv4 .gnv4__panel--lvl2 .gnv4__sublink:focus,
#gnv4 .gnv4__panel--lvl3 .gnv4__sublink:focus {
  display: flex !important;
  align-items: center;
  padding: 16px 26px 16px 16px;
  color: var(--gnv4-link) !important;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.35;
  background: transparent;
  position: relative;
}

@media (hover: hover) and (pointer: fine) {
  .gnv4__panel > .gnv4__subitem:hover > .gnv4__sublink {
    background: rgba(11,103,168,.10);
  }
}

.gnv4__subitem--has > .gnv4__sublink { padding-right: calc(var(--gnv4-sub-pad-r) + 8px); }
.gnv4__subitem--has > .gnv4__sublink::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 5px;
  height: 5px;
  border-right: 2px solid rgba(0,0,0,.45);
  border-bottom: 2px solid rgba(0,0,0,.45);
  transform: translateY(-50%) rotate(-45deg);
}

@media (hover: hover) and (pointer: fine) {
  .gnv4__item--has:hover > .gnv4__panel--lvl2 { display: block; }
  .gnv4__subitem--has:hover > .gnv4__panel--lvl3 { display: block; }
}

.gnv4__item.is-open > .gnv4__panel--lvl2 { display: block; }
.gnv4__subitem.is-open > .gnv4__panel--lvl3 { display: block; }
.gnv4__subitem.is-open > .gnv4__sublink { background: rgba(11,103,168,.14); }

/* ─────────────────────────────────────
   SP：暗幕・ドロワー
───────────────────────────────────── */

/* 暗幕：headerは覆わない */
.gnv4__backdrop {
  display: none;
  position: fixed;
  top: var(--gnv4-header-h);
  left: 0;
  right: 0;
  height: calc(100vh - var(--gnv4-header-h));
  background: rgba(0,0,0,.35);
  z-index: 20000;
}
.gnv4.is-drawer-open .gnv4__backdrop { display: block; }

/* トグル：既定は非表示（PCでは出さない） */
.gnv4__toggle { display: none; border: 0; background: transparent; cursor: pointer; }
.gnv4__toggleLabel, .gnv4__toggleBars { display: none !important; }

@media (max-width: 860px) {

  /* SPは nav 背景を消す（headerに従属） */
  .gnv4 { background: transparent; }

  /* ★ フラットなトグル（枠・影・背景なし）
     ※ トグルは #header 内で absolute。#header が relative なのでズレない */
  .gnv4__toggle {
    display: block;
    position: absolute;
    top: 50%;
    right: calc(10px + env(safe-area-inset-right));
    transform: translateY(-50%);
    width: 44px;
    height: 44px;

    background: transparent !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;

    color: #111;
    font-size: 0;
    line-height: 0;
    z-index: 20051;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }

  .gnv4__toggle:focus-visible {
    outline: 2px solid rgba(0,0,0,.35);
    outline-offset: 3px;
  }

  /* 3本線（中央線は背景で） */
  .gnv4__toggle {
    background-image: linear-gradient(currentColor, currentColor);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 24px 2px;
  }
  .gnv4__toggle::before,
  .gnv4__toggle::after {
    content: "";
    position: absolute;
    left: 50%;
    width: 24px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transform: translateX(-50%);
    transition: transform .18s ease, top .18s ease, opacity .18s ease;
  }
  .gnv4__toggle::before { top: 15px; }
  .gnv4__toggle::after  { top: 29px; }

  /* ★ 開いたら ×（トグルが #gnv4 の外でも動くよう html クラスで判定） */
  html.gnv4-drawer-open .gnv4__toggle {
    background-size: 0 2px; /* 中央線消す */
  }
  html.gnv4-drawer-open .gnv4__toggle::before {
    top: 22px;
    transform: translateX(-50%) rotate(45deg);
  }
  html.gnv4-drawer-open .gnv4__toggle::after {
    top: 22px;
    transform: translateX(-50%) rotate(-45deg);
  }

  /* ドロワー本体：header下から出す */
  .gnv4__menu {
    position: fixed;
    top: var(--gnv4-header-h);
    right: -86vw;
    width: min(86vw, 360px);
    height: calc(100vh - var(--gnv4-header-h));
    background: #fff;

    display: block;
    overflow: auto;

    z-index: 20001;
    box-shadow: -12px 0 28px rgba(0,0,0,.20);
    transition: right .18s ease;

    padding: 8px 0 18px;
  }
  .gnv4.is-drawer-open .gnv4__menu { right: 0; }

  .gnv4__item {
    border-left: none;
    border-bottom: 1px solid rgba(0,0,0,.07);
    flex: none;
  }

  /* SPドロワー内の1階層：黒固定 */
  .gnv4__link,
  .gnv4__link:visited,
  .gnv4__link:hover,
  .gnv4__link:active,
  .gnv4__link:focus {
    justify-content: flex-start;
    height: 56px;
    padding: 0 16px;
    background: #fff;
    color: #222 !important;
    font-size: 15px;
  }
  .gnv4__item.is-open > .gnv4__link { background: #eef2f6; color: #222 !important; }

  .gnv4__item--has > .gnv4__link::after {
    border-right-color: rgba(0,0,0,.55);
    border-bottom-color: rgba(0,0,0,.55);
  }

  /* SP：2階層/3階層は内側展開 */
  .gnv4__panel {
    position: static;
    width: 100%;
    border: 0;
    box-shadow: none;
    background: var(--gnv4-lv2-bg-sp);
  }
  .gnv4__panel--lvl3 {
    position: static;
    width: 100%;
    background: var(--gnv4-lv3-bg-sp);
  }

  .gnv4__sublink {
    padding: 14px 16px 14px 28px;
    font-size: 15px;
    color: #0b4ea2 !important;
    background: transparent;
  }
  .gnv4__panel--lvl3 .gnv4__sublink {
    padding-left: 44px;
    border-top: 1px solid rgba(0,0,0,.06);
  }
}

/* bodyスクロールロック（SPドロワー開時） */
html.gnv4-lock, body.gnv4-lock { overflow: hidden !important; }


/* ===== TOP: SPでH1をスライド下辺に重ねる（PCは通常表示） ===== */
.topmv-wrap { position: relative; }
.topmv { position: relative; z-index: 1; }

@media (max-width: 860px) {
  /* SP：H1をスライドに重ねる（ファーストビューを下げない） */
  .topmv-wrap > h1.index {
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 3;

    margin: 0;
    padding: 10px 12px;

    color: #fff;
    font-weight: 700;
    font-size: 18px;
    line-height: 1.35;

    background: rgba(0,0,0,.45);
    border-radius: 8px;

    /* スワイプ/タップを邪魔しない（超重要） */
    pointer-events: none;

    /* 2行で止めたい場合 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

@media (min-width: 861px) {
  /* PC：いつも通り（念のため固定解除） */
  .topmv-wrap > h1.index {
    position: static;
    background: transparent;
    border-radius: 0;
    padding: 0;
    pointer-events: auto;
  }
}