/* ============================================================
   McThis - loader.css  ローディングアニメーション v2
   ============================================================ */

body.loading { overflow: hidden; }

/* ---- ローダー本体 ---- */
#loader {
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0A0A0A;
  overflow: hidden;
}

#loader.hide {
  animation: loaderHide 0.8s cubic-bezier(0.76,0,0.24,1) forwards;
}

@keyframes loaderHide {
  0%   { opacity: 1; transform: scale(1); }
  40%  { opacity: 1; transform: scale(1.02); }
  100% { opacity: 0; transform: scale(0.97); pointer-events: none; }
}

/* ---- オーロラ背景 ---- */
.loader__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 75% 25%, rgba(232,160,32,0.18) 0%, transparent 65%),
    radial-gradient(ellipse 50% 50% at 25% 75%, rgba(232,98,26,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(139,38,53,0.08) 0%, transparent 70%);
  animation: loaderAurora 4s ease-in-out infinite alternate;
}

@keyframes loaderAurora {
  0%   { opacity: 0.6; transform: scale(1); }
  100% { opacity: 1;   transform: scale(1.08); }
}

/* ---- ヘックスグリッド ---- */
.loader__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232,160,32,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,160,32,0.07) 1px, transparent 1px);
  background-size: 52px 52px;
  animation: loaderGridIn 1s ease 0.1s both;
}

@keyframes loaderGridIn {
  from { opacity: 0; transform: scale(1.05); }
  to   { opacity: 1; transform: scale(1); }
}

/* ---- スキャンライン ---- */
.loader__scan {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,0.06) 3px,
    rgba(0,0,0,0.06) 4px
  );
  pointer-events: none;
}

/* ---- 走る光の帯 ---- */
.loader__ray {
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(232,160,32,0.6) 40%,
    rgba(245,200,66,1) 50%,
    rgba(232,160,32,0.6) 60%,
    transparent 100%);
  filter: blur(1px);
  animation: loaderRay 2s cubic-bezier(0.4,0,0.6,1) 0.4s infinite;
  opacity: 0;
}
.loader__ray:nth-child(1) { animation-delay: 0.4s; }
.loader__ray:nth-child(2) { animation-delay: 1.1s; width: 1px; opacity: 0.5; }
.loader__ray:nth-child(3) { animation-delay: 1.7s; width: 1px; opacity: 0.3; }

@keyframes loaderRay {
  0%   { left: -5%; opacity: 0; }
  5%   { opacity: 1; }
  95%  { opacity: 1; }
  100% { left: 105%; opacity: 0; }
}

/* ---- コンテンツ ---- */
.loader__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

/* ---- ロゴ ---- */
.loader__logo-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  opacity: 0;
  animation: loaderLogoIn 0.8s cubic-bezier(0.23,1,0.32,1) 0.3s forwards;
}

@keyframes loaderLogoIn {
  from { opacity: 0; transform: translateY(20px) scale(0.95); filter: blur(4px); }
  to   { opacity: 1; transform: translateY(0)    scale(1);    filter: blur(0); }
}

.loader__icon {
  width: 64px;
  height: 64px;
  mix-blend-mode: screen;
  animation: loaderIconGlow 2s ease-in-out 1s infinite alternate;
}

@keyframes loaderIconGlow {
  from { filter: drop-shadow(0 0 10px rgba(232,160,32,0.5)) drop-shadow(0 0 24px rgba(232,160,32,0.2)); }
  to   { filter: drop-shadow(0 0 20px rgba(232,160,32,0.9)) drop-shadow(0 0 48px rgba(232,160,32,0.4)); }
}

.loader__logo-text {
  font-family: 'Outfit', sans-serif;
  font-size: 52px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
  line-height: 1;
}

.loader__logo-text .gold {
  background: linear-gradient(135deg, #F5C842 0%, #E8A020 50%, #E8621A 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- プログレスバー ---- */
.loader__bar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0;
  animation: loaderFadeIn 0.5s ease 0.8s forwards;
}

@keyframes loaderFadeIn {
  to { opacity: 1; }
}

.loader__bar-track {
  width: min(300px, 72vw);
  height: 1px;
  background: rgba(255,255,255,0.12);
  border-radius: 1px;
  overflow: hidden;
  position: relative;
}

.loader__bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #F5C842, #E8A020, #E8621A);
  border-radius: 1px;
  animation: loaderBarFill 2s cubic-bezier(0.4,0,0.2,1) 0.9s forwards;
  box-shadow: 0 0 6px rgba(232,160,32,0.8), 0 0 12px rgba(232,160,32,0.4);
}

@keyframes loaderBarFill {
  0%   { width: 0%; }
  30%  { width: 45%; }
  65%  { width: 78%; }
  85%  { width: 91%; }
  100% { width: 100%; }
}

/* バーの先端の光 */
.loader__bar::after {
  content: '';
  position: absolute;
  right: 0; top: -2px;
  width: 6px; height: 5px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 8px 3px rgba(245,200,66,0.8);
  animation: loaderBarGlow 2s cubic-bezier(0.4,0,0.2,1) 0.9s forwards;
}

@keyframes loaderBarGlow {
  0%   { opacity: 0; }
  10%  { opacity: 1; }
  95%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ---- パーセント表示 ---- */
.loader__percent {
  font-family: 'Bebas Neue', 'Outfit', sans-serif;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.35);
}

/* ---- タグライン ---- */
.loader__tagline {
  font-family: 'Outfit', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  opacity: 0;
  animation: loaderFadeIn 0.6s ease 1s forwards;
}

/* ---- 角の装飾 ---- */
.loader__corner {
  position: absolute;
  width: 28px; height: 28px;
}
.loader__corner--tl { top: 20px; left: 20px; border-top: 1px solid rgba(232,160,32,0.5); border-left: 1px solid rgba(232,160,32,0.5); }
.loader__corner--tr { top: 20px; right: 20px; border-top: 1px solid rgba(232,160,32,0.5); border-right: 1px solid rgba(232,160,32,0.5); }
.loader__corner--bl { bottom: 20px; left: 20px; border-bottom: 1px solid rgba(232,160,32,0.5); border-left: 1px solid rgba(232,160,32,0.5); }
.loader__corner--br { bottom: 20px; right: 20px; border-bottom: 1px solid rgba(232,160,32,0.5); border-right: 1px solid rgba(232,160,32,0.5); }

.loader__corner--tl, .loader__corner--tr,
.loader__corner--bl, .loader__corner--br {
  opacity: 0;
  animation: loaderFadeIn 0.6s ease 0.5s forwards;
}