/* ══════════════════════════════════════
   SITE LOADER — Cinematic Type Reveal
   全ページ共通(site-loader.js が DOM を注入)
══════════════════════════════════════ */

#kw-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
}

body.kw-loading {
  overflow: hidden;
}

#kw-loader,
#kw-loader * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* 退場時に背面でひと呼吸遅れて追従するピンクの帯 */
.kw-loader__trail {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: #E63977;
  transform: translateY(0);
}

.kw-loader__panel {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #0f0e12;
  color: #fff;
  font-family: 'Roboto', 'Zen Kaku Gothic New', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', meiryo, sans-serif;
  transform: translateY(0);
}

/* 粒状ノイズ */
.kw-loader__panel::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* ほのかなピンクの環境光 */
.kw-loader__panel::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 110%, rgba(230, 57, 119, 0.16), transparent 60%),
    radial-gradient(ellipse 40% 30% at 85% -5%, rgba(230, 57, 119, 0.07), transparent 60%);
  pointer-events: none;
}

/* 細い飾り枠 */
.kw-loader__frame {
  position: absolute;
  inset: clamp(14px, 2.4vw, 28px);
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.09);
  opacity: 0;
  animation: kwFadeIn 1.1s ease 0.25s forwards;
  pointer-events: none;
}

/* ───── 中央 ───── */

.kw-loader__center {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 24px;
}

.kw-loader__overline {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(18px, 3vh, 30px);
  opacity: 0;
  animation: kwFadeDown 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.55s forwards;
}

.kw-loader__overline::before,
.kw-loader__overline::after {
  content: '';
  width: clamp(22px, 4vw, 46px);
  height: 1px;
  background: rgba(230, 57, 119, 0.85);
}

.kw-loader__overline span {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  color: rgba(255, 255, 255, 0.66);
  white-space: nowrap;
}

.kw-loader__word {
  display: flex;
  overflow: hidden;
  font-size: clamp(58px, 13vw, 158px);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.04;
}

.kw-loader__word span {
  display: inline-block;
  transform: translateY(118%) rotate(5deg);
  animation: kwLetter 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.kw-loader__word span:nth-child(1) { animation-delay: 0.18s; }
.kw-loader__word span:nth-child(2) { animation-delay: 0.26s; }
.kw-loader__word span:nth-child(3) { animation-delay: 0.34s; }
.kw-loader__word span:nth-child(4) { animation-delay: 0.42s; }
.kw-loader__word span:nth-child(5) { animation-delay: 0.50s; }
.kw-loader__word span:nth-child(6) { animation-delay: 0.58s; }

.kw-loader__word .kw-dot {
  color: #E63977;
}

.kw-loader__tagline {
  margin-top: clamp(20px, 3.4vh, 34px);
  font-family: 'Zen Kaku Gothic New', 'Hiragino Sans', meiryo, sans-serif;
  font-size: clamp(11px, 1.5vw, 14px);
  font-weight: 400;
  letter-spacing: 0.46em;
  text-indent: 0.46em;
  color: rgba(255, 255, 255, 0.74);
  opacity: 0;
  animation: kwFadeUp 1s cubic-bezier(0.22, 1, 0.36, 1) 0.95s forwards;
}

/* ───── 四隅のメタ情報 ───── */

.kw-loader__corner {
  position: absolute;
  z-index: 2;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.42);
  opacity: 0;
  animation: kwFadeIn 1s ease 0.8s forwards;
  white-space: nowrap;
}

.kw-loader__corner--tl { top: clamp(26px, 4vw, 44px); left: clamp(26px, 4vw, 46px); }
.kw-loader__corner--tr { top: clamp(26px, 4vw, 44px); right: clamp(26px, 4vw, 46px); }
.kw-loader__corner--bl { bottom: clamp(26px, 4vw, 44px); left: clamp(26px, 4vw, 46px); }

/* 右端の縦書き社名 */
.kw-loader__tate {
  position: absolute;
  top: 50%;
  right: clamp(30px, 4.4vw, 54px);
  z-index: 2;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: 'Zen Kaku Gothic New', 'Hiragino Sans', meiryo, serif;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.52em;
  color: rgba(255, 255, 255, 0.38);
  opacity: 0;
  animation: kwFadeIn 1.2s ease 1.1s forwards;
  white-space: nowrap;
}

/* カウンター */
.kw-loader__count {
  position: absolute;
  right: clamp(22px, 3.6vw, 42px);
  bottom: clamp(14px, 2.6vw, 30px);
  z-index: 2;
  display: flex;
  align-items: baseline;
  font-weight: 100;
  font-size: clamp(46px, 8vw, 92px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.92);
  font-variant-numeric: tabular-nums;
  opacity: 0;
  animation: kwFadeIn 0.8s ease 0.35s forwards;
}

.kw-loader__count small {
  margin-left: 6px;
  font-size: 0.24em;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: rgba(230, 57, 119, 0.9);
}

/* 進捗ライン */
.kw-loader__bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
}

.kw-loader__bar i {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #E63977, #ff7eae);
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ───── 退場 ─────
   文字はパネル内で一段先行して持ち上がり、視差で奥行きを出す */

#kw-loader.is-leaving .kw-loader__center {
  transition: transform 0.78s cubic-bezier(0.76, 0, 0.24, 1) 0.12s;
  transform: translateY(-22vh);
}

#kw-loader.is-leaving .kw-loader__panel {
  transition: transform 0.78s cubic-bezier(0.76, 0, 0.24, 1) 0.18s;
  transform: translateY(-100%);
}

#kw-loader.is-leaving .kw-loader__trail {
  transition: transform 0.78s cubic-bezier(0.76, 0, 0.24, 1) 0.32s;
  transform: translateY(-100%);
}

/* ───── keyframes ───── */

@keyframes kwLetter {
  to { transform: translateY(0) rotate(0deg); }
}

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

@keyframes kwFadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes kwFadeDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
  .kw-loader__tate {
    display: none;
  }
}

/* ───── reduced motion ───── */

@media (prefers-reduced-motion: reduce) {
  #kw-loader *,
  #kw-loader *::before,
  #kw-loader *::after {
    animation-duration: 0.01s !important;
    animation-delay: 0s !important;
    transition-duration: 0.01s !important;
    transition-delay: 0s !important;
  }
}