/* ==============================
  Header（ヘッダーまわり）
  - 位置・高さはブレークポイントで切替
  - PC: 120px / SP: 80px
============================== */

/* =========カスタム=========== */
body.is-fixed {
  overflow: hidden;
  height: 100%;
}
#HeaderAnime.is-animation {
    top: 0 !important;
    position: fixed;
    height: 80px;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.6);
	backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
/* =========カスタム=========== */

.header {
  /*position: relative;*/ /* 子要素の絶対配置の基準にする */
  z-index: 200; /* メガメニューより上（オーバーレイz=100） */
  /*background: #fff;*/
}

@media (min-width: 861px) {
  .header {
    height: 120px; /* PC高さ */
  }
}

@media (max-width: 860px) {
  .header {
    height: 80px; /* SP高さ */
  }
}

/* ロゴ：縦中央配置。左右位置・サイズはレスポンシブで調整 */
.header-logo {
  position: absolute;
  top: 50%;
  /*font-weight: 900;*/
  line-height: 1;
  transform: translateY(-50%);
}
.header-logo span {
  font-size: .8em;
  margin-left: .3em;
}

@media (min-width: 861px) {
  .header-logo {
    left: 3vw;
    font-size: clamp(2rem, 3vw, 4rem);
    letter-spacing: 2px;
    letter-spacing: -3px;
	  width: 16vw;
	  min-width: 200px;
  }
  .is-animation .header-logo {
    font-size: clamp(1.9rem, 2.8vw, 3.85rem);
  }
}

@media (max-width: 860px) {
  .header-logo {
    left: 20px;
    font-size: 25px;
    letter-spacing: 1px;
    width: 40vw;
  }
}

.header-logo a {
  display: inline-block;
	width: 100%;
  color: #4b99aa;
  text-decoration: none;
  vertical-align: top;
}

/* ハンバーガー：SPのみ表示。アイコンはspanで描画しopen時に変形 */
.header-hamburger {
  position: absolute;
  right: 8.5px;
  top: 50%;
  width: 45px;
  height: 45px;
  transform: translateY(-50%);
}

@media (min-width: 861px) {
  .header-hamburger {
    display: none;
  }
}

.header-hamburger button {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: none;
  background: none;
  -webkit-appearance: none;
          appearance: none;
  cursor: pointer;
}

/* 3本ライン */
.header-hamburger button > span {
  display: block;
  position: absolute;
  left: 11.5px;
  top: 22px;
  width: 22px;
  height: 1px;
  background: #4466ce;
}

/* 上・中・下のバーに変形トランジションを付与 */
.header-hamburger button > span:nth-child(1) {
  transform: translateY(-6px);
  transition: transform 350ms cubic-bezier(.215, .61, .355, 1);
}

.header-hamburger button > span:nth-child(2) {
  transition: opacity 350ms cubic-bezier(.215, .61, .355, 1);
}

.header-hamburger button > span:nth-child(3) {
  transform: translateY(6px);
  transition: transform 350ms cubic-bezier(.215, .61, .355, 1);
}

/* 開いた状態（×アイコン化） */
.header-hamburger button.is-open > span:nth-child(1) {
  transform: rotate(45deg) translateY(0px);
}

.header-hamburger button.is-open > span:nth-child(2) {
  opacity: 0;
}

.header-hamburger button.is-open > span:nth-child(3) {
  transform: rotate(-45deg) translateY(0px);
}

/* グローバルナビ：PCのみ表示。縦中央に配置 */
.header-nav {
  position: absolute;
  right: 3vw;
  top: 50%;
  transform: translateY(-50%);
}

@media (max-width: 860px) {
  .header-nav {
    display: none;
  }
}

.header-nav ul {
  list-style: none;
  display: flex;
}

/* ナビ項目：下線アニメ（:before）でアクティブを演出 */
.header-nav ul li a,
.header-nav ul li button {
  display: block;
  position: relative;
  /*width: 100%;*/
  height: 100%;
  margin: 0;
  box-sizing: border-box;
  padding: .8vw;
  border: none;
  background: none;
  color: #4C98AA;
  /*font-weight: 700;*/
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  -webkit-appearance: none;
          appearance: none;
  transition: color 300ms;
  letter-spacing: 0px;
  font-size: clamp(.5rem, calc(1rem + 0.525vw), 1.8rem);
}

.header-nav ul li a::before,
.header-nav ul li button::before {
  content: '';
  display: block;
  position: absolute;
  left: 25px;
  bottom: 8px;
  width: calc(100% - 50px);
  height: 1px;
  background: #4466ce;
  transform: scaleX(0);
  transition: transform 350ms cubic-bezier(.215, .61, .355, 1);
}

.header-nav ul li a:hover::before,
.header-nav ul li button:hover::before,
.header-nav ul li button:active::before,
.header-nav ul li button.is-active::before {
  transform: scaleX(1);
}

/* 右端の「お問い合わせ」：PCのみ */
.header-contact {
  position: absolute;
  right: 50px;
  top: 50%;
  transform: translateY(-50%);
}

@media (max-width: 860px) {
  .header-contact {
    display: none;
  }
}

.header-contact a {
  display: block;
  width: 150px;
  padding: 10px 0;
  border-radius: 5px;
  background: #4466ce;
  color: #fff;
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
  transition: background-color 300ms;
}

.header-contact a:hover {
  background: #192753;
}

/* ==============================
  Mega Menu（メガメニュー）
  - .mega.is-open でオーバーレイ／本体を表示
  - PC: ヘッダー直下に重ねる
  - SP: パディングを広めに
============================== */

/* 背景オーバーレイ（ぼかし＋半透明）。
   非表示時は visibility/opacity/pointer-events で無効化 */
.mega-overlay {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, .6);
  -webkit-backdrop-filter: blur(10px);
          backdrop-filter: blur(10px);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: visibility 0ms 400ms, opacity 400ms linear;
}

/* メガメニュー本体コンテナ。高さアニメはJSで付与 */
.mega-container {
  position: absolute;
  left: 0;
  z-index: 100;
  width: 100%;
  box-sizing: border-box;
  background: #fff;
  overflow: hidden;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: visibility 0ms 400ms, opacity 400ms linear;
  background-color: rgb(231, 244, 247);
}

/* PCはヘッダー高に合わせる */
@media (min-width: 861px) {
  .mega-container {
    top: 120px;
    position: fixed;
    -webkit-transition: .5s!important;
    transition: .5s!important;
  }
  .mega-container.mega_animation {
    top: 80px;
    -webkit-transition: .5s!important;
    transition: .5s!important;
  }
}

@media (max-width: 860px) {
  .mega-container {
    top: 80px;
    padding: 0 20px 40px;
    position: fixed;
  }
}

/* セクション（各パネル）
   PCでは重ねて配置し、表示中だけ is-open で見せる */
@media (min-width: 861px) {
  .mega-section {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    visibility: hidden;
    opacity: 0;
    transition: visibility 0ms 400ms, opacity 400ms linear;
  }
}

/* SPではアコーディオンの見切れ線 */
@media (max-width: 860px) {
  .mega-section {
    border-bottom: 1px solid #e1e1e1;
  }
}

/* 見出し（SPのみ表示、アコーディオンのトリガー） */
.mega-header {
  font-weight: 700;
  line-height: 1.5;
}

@media (min-width: 861px) {
  .mega-header {
    display: none;
  }
}

.mega-header a,
.mega-header button {
  display: flex;
  align-items: center;
  position: relative;
  width: 100%;
  height: 65px;
  margin: 0;
  padding: 0 20px;
  border: none;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  -webkit-appearance: none;
          appearance: none;
  cursor: pointer;
  text-decoration: none;
}

/* 見出し右の＋（span疑似要素で線を描画） */
.mega-header button > span {
  display: block;
  position: absolute;
  right: 20px;
  top: 50%;
  width: 15px;
  height: 15px;
  margin-top: -7.5px;
}

.mega-header button > span::before,
.mega-header button > span::after {
  content: "";
  display: block;
  position: absolute;
  left: 0;
  top: 7px;
  width: 15px;
  height: 1px;
  background: #333;
}

.mega-header button > span::after {
  transform: rotate(90deg);
  transition: transform 350ms cubic-bezier(.215, .61, .355, 1);
}

/* 本文領域（PCは常に表示、SPは閉じておく） */
.mega-body {
  position: relative;
}

@media (min-width: 861px) {
  .mega-body {
    display: block !important;
  }
}

@media (max-width: 860px) {
  .mega-body {
    display: none;
    overflow: hidden;
  }
}

/* 内側余白：PCは左右パディング広め、SPは下マージンのみ */
@media (min-width: 861px) {
  .mega-inner {
    padding: 40px 50px 40px;
    background-color: #e7f4f7;
    max-height: 100vh;
    overflow: scroll;
  }
  .mega-list {
    /*display: grid;*/
    display: flex;
    gap: 20px;
    letter-spacing: -1px;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    justify-content: flex-end;
  }
  .mega-list li {
    width: auto;
    max-width: 320px;
  }
	.mega-list a {
		color: #000;
	}
	.mega-thumb img {
		border-radius: 10px;
	}
	.mega-text {
		font-size: .87em;
    margin-top: 4px;
    position: relative;
    display: inline-block;
	}
  .mega-text::after{
    content: '';
    width: 8px;
    height: 8px;
    margin-top: -5px;
    border-top: solid 1px #555;   /* 好みで色を変えてください */  
    border-right: solid 1px #555;   /* 好みで色を変えてください */  
    transform: rotate(45deg);
    position: absolute;
    top: 50%;
    right: -20px;
  }
}

@media (max-width: 860px) {
  .mega-inner {
    padding-bottom: 25px;
  }
	.mega-list {
		margin-left: 20px;
	}
	.mega-list a {
		color: #000;
	}
	.mega-text {
    margin: 0px 0 7px 20px;
    position: relative;
    display: inline-block;
	}
  .mega-text::after{
    content: '';
    width: 8px;
    height: 8px;
    margin-top: -5px;
    border-top: solid 1px #555;   /* 好みで色を変えてください */  
    border-right: solid 1px #555;   /* 好みで色を変えてください */  
    transform: rotate(45deg);
    position: absolute;
    top: 50%;
    left: -20px;
  }
}

/* SP: 先頭セクションの上線（見切れ調整） */
@media (max-width: 860px) {
  .mega-section:first-child {
    border-top: 1px solid #e1e1e1;
  }
}

/* 表示中のセクション。PCで前面に出し、フェードを有効化 */
.mega-section.is-open {
  position: relative;
  left: auto;
  top: auto;
  width: auto;
  visibility: visible;
  opacity: 1;
  transition: visibility 0ms, opacity 400ms linear;
}

/* アコーディオン展開時は＋を−に変形 */
.mega-section.is-expanded .mega-header button > span::after {
  transform: rotate(0deg);
}

/* メガメニュー表示状態：オーバーレイ／本体の表示をまとめてON */
.mega.is-open .mega-overlay,
.mega.is-open .mega-container {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: visibility 0ms, opacity 400ms linear;
}

@media (max-width: 860px) {
    .mega-thumb {
        display: none;
    }
  }
/* ==============================
  その他の装飾は本題外のため省略
============================== */