/* =========================
   Ikkyosai Modal (CSS full)
   ========================= */

/* —— 基本レイアウト —— */
body.iks-modal-open {
  overflow: hidden; /* モーダル表示中は背面スクロール禁止 */
}

/* —— オーバーレイ（黒い背景）：visibility + opacity で滑らかに —— */
.iks-modal-overlay,
#iksModalOverlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  display: flex;                 /* 常に flex。表示/非表示は visibility で制御 */
  align-items: center;           /* 中央寄せ */
  justify-content: center;
  z-index: 99999;

  /* フェード制御 */
  visibility: hidden;
  opacity: 0;
  pointer-events: none;

  /* フェードアウト時に visibility を遅らせる */
  transition: opacity .6s ease, visibility 0s linear .6s;
}
.iks-modal-overlay.is-visible,
#iksModalOverlay.is-visible {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity .6s ease;  /* フェードイン中は visibility は即時 */
}

/* —— ダイアログ本体（ふわっと拡大して登場） —— */
.iks-modal {
  position: relative;
  width: min(92vw, 640px);
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  overflow: hidden;

  opacity: 0;
  transform: translateY(16px) scale(.97);
  transition:
    transform .55s cubic-bezier(.22,1,.36,1),
    opacity   .55s ease;
}
.iks-modal-overlay.is-visible .iks-modal {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* —— コンテンツ —— */
.iks-modal-header img {
  display: block;
  width: 100%;
  height: auto;
}
.iks-modal-body {
  padding: 4px 20px 0;
  line-height: 1.6;
  color: #333;
  font-size: 14px;
}
.iks-modal-body h2 {
  padding-left: 0;
  color: #AE3923;
  font-size: 16px;
}

/* —— 閉じる（×）ボタン：before/after でバツ印を描画 —— */
.iks-modal-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
  cursor: pointer;
  display: grid;
  place-items: center;
}

/* 2本線で「×」 */
.iks-modal-close::before,
.iks-modal-close::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 60%;               /* バツ線の長さ（ボタン幅に対する割合） */
  height: 2px;              /* バツ線の太さ */
  background: #AE3923;      /* 線の色 */
  border-radius: 1px;
  transform-origin: center;
  transition: transform .2s ease, background-color .2s ease, width .2s ease;
}
.iks-modal-close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}
.iks-modal-close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* ホバー時のちょい強調（お好みで） */
.iks-modal-close:hover::before,
.iks-modal-close:hover::after {
  width: 68%;
  background: #8f2f1d;
}



/* —— CTA（任意） —— */
.cta {
  display: inline-block;
  padding: 10px 16px;
  border: 1px solid #b39b66;
  border-radius: 999px;
  text-decoration: none;
  color: #b07a00;
  font-weight: 600;
}
.cta:hover {
  background: #fff7e6;
}

/* —— ボタン（既存デザインと整合） —— */
.btn_mo {
  text-align: center;
  margin: 20px 0;
  position: relative;
}
.btn_mo a {
  display: inline-block;
  font-family: "Shippori Mincho", serif;
  font-weight: bold;
  font-size: 12px;
  border-radius: 0;
  padding: 0.6em 3.5em;
  position: relative;
  transition: all .3s;
}
.btn_mo span {
  display: inline-block;
  width: 40px;
  height: 1px;
  position: absolute;
  top: 50%;
  right: -13px;
  transition: all .3s;
}
.btn_mo span::after {
  content: "";
  position: absolute;
  height: 1px;
  width: 7px;
  transform: rotate(35deg);
  right: -1px;
  top: -2px;
}
.btn_mo a:hover span {
  right: -26px;
}
.btn_mo_red a {
  color: #AE3923;
  border: 1px solid #AE3923;
}
.btn_mo_red span,
.btn_mo_red span::after {
  background: #AE3923;
}
.btn_mo_red a:hover {
  background: #AE3923;
  color: #F3F0EB;
}

/* —— デスクトップ調整 —— */
@media screen and (min-width: 1024px) {
  .iks-modal {
    border-radius: 20px;
  }
  .iks-modal-body h2 {
    font-size: 20px;
  }

  .iks-modal-close {
    width: 40px;
    height: 40px;
  }
  .iks-modal-close::before,
  .iks-modal-close::after {
    height: 3px;
    width: 58%;
  }

  .btn_mo a {
    font-size: 16px;
  }
}

/* —— 動きが苦手な方向けの配慮 —— */
@media (prefers-reduced-motion: reduce) {
  .iks-modal-overlay,
  .iks-modal,
  .iks-modal-close::before,
  .iks-modal-close::after {
    transition: none !important;
  }
}