/* ========================================================
   シネマティック・デュアルカーテン ローダー & ページトランジション
   株式会社秀和興業 Pattern D
   ======================================================== */

.site-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  overflow: hidden;
  background: transparent !important;
  visibility: visible;
  transition: visibility 0s 0.9s;
}

/* 既存の:after疑似要素を無効化 */
.site-loader:after {
  display: none !important;
}

/* 2層の重なりカーテン（1層目：重厚なディープブラックネイビー / 2層目：ブランドシアンブルー） */
.loader-bg-primary {
  position: absolute;
  inset: 0;
  background: #060e18;
  z-index: 1;
  transform: translateY(0);
  transition: transform 0.72s cubic-bezier(0.85, 0, 0.15, 1);
  will-change: transform;
}

.loader-bg-secondary {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0284c7 0%, #009ee5 100%);
  z-index: 2;
  transform: translateY(0);
  transition: transform 0.65s cubic-bezier(0.85, 0, 0.15, 1) 0.07s;
  will-change: transform;
}

/* 中央コンテンツ（ロゴ＋プログレスバー） */
.loader-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.loader-logo {
  display: flex;
  align-items: center;
  gap: 16px;
}

.loader-mark {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  width: 44px;
  height: 42px;
  transform: skew(-13deg);
}

.loader-mark i {
  display: block;
  width: 13px;
  background: #fff;
  border-radius: 1px;
  transform-origin: bottom;
  animation: barRise 0.65s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.loader-mark i:nth-child(1) {
  height: 30px;
  animation-delay: 0.05s;
}
.loader-mark i:nth-child(2) {
  height: 42px;
  background: #38bdf8;
  animation-delay: 0.15s;
}
.loader-mark i:nth-child(3) {
  height: 30px;
  animation-delay: 0.25s;
}

@keyframes barRise {
  0% { transform: scaleY(0); opacity: 0; }
  100% { transform: scaleY(1); opacity: 1; }
}

.loader-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  animation: textReveal 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.18s both;
}

.loader-text b {
  font-size: 26px;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: #ffffff;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
}

.loader-text small {
  margin-top: 6px;
  font-family: "Poppins", sans-serif;
  font-size: 8px;
  letter-spacing: 0.24em;
  color: #e0f2fe;
  opacity: 0.9;
}

@keyframes textReveal {
  0% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* スタイリッシュな充電プログレスバー */
.loader-bar-wrap {
  width: 140px;
  height: 2px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  margin-top: 26px;
  overflow: hidden;
  position: relative;
}

.loader-bar {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #38bdf8, #ffffff);
  transform: translateX(-100%);
  animation: barSlide 0.75s cubic-bezier(0.65, 0, 0.35, 1) 0.1s forwards;
}

@keyframes barSlide {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(-15%); }
  100% { transform: translateX(0%); }
}

/* ========================================================
   1. ページ読み込み完了時（上へ抜けるスムーズなオープン）
   ======================================================== */
.site-loader.is-loaded {
  pointer-events: none;
  visibility: hidden;
}

.site-loader.is-loaded .loader-content {
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.28s ease, transform 0.32s ease;
}

.site-loader.is-loaded .loader-bg-secondary {
  transform: translateY(-100%);
  transition: transform 0.65s cubic-bezier(0.85, 0, 0.15, 1) 0.05s;
}

.site-loader.is-loaded .loader-bg-primary {
  transform: translateY(-100%);
  transition: transform 0.72s cubic-bezier(0.85, 0, 0.15, 1) 0.13s;
}

/* ========================================================
   2. ページ遷移（リンククリック）時（下から滑らかに画面を覆う）
   ======================================================== */
.site-loader.is-leaving {
  pointer-events: auto;
  visibility: visible !important;
  transition: none;
}

.site-loader.is-leaving .loader-bg-primary {
  transform: translateY(100%);
  transition: none;
}

.site-loader.is-leaving .loader-bg-secondary {
  transform: translateY(100%);
  transition: none;
}

.site-loader.is-leaving .loader-content {
  opacity: 0;
  transform: translateY(15px);
  transition: none;
}

.site-loader.is-leaving.is-leaving-active .loader-bg-primary {
  transform: translateY(0);
  transition: transform 0.42s cubic-bezier(0.85, 0, 0.15, 1);
}

.site-loader.is-leaving.is-leaving-active .loader-bg-secondary {
  transform: translateY(0);
  transition: transform 0.42s cubic-bezier(0.85, 0, 0.15, 1) 0.05s;
}

.site-loader.is-leaving.is-leaving-active .loader-content {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.25s ease 0.12s, transform 0.3s ease 0.12s;
}