/* =====================================================
   Preloader: ブランドステートメント
===================================================== */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #050B14;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preloader.is-done {
  animation: preloader-slideUp 0.6s cubic-bezier(0.76, 0, 0.24, 1) forwards;
}
@keyframes preloader-slideUp {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-100%); }
}

/* Convergence */
.preloader__convergence {
  position: relative;
  z-index: 10;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.preloader__convergence.is-visible {
  opacity: 1;
}
.preloader__logo {
  width: 180px;
  height: auto;
  margin: 0 auto 32px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.preloader__convergence.is-visible .preloader__logo {
  opacity: 1;
  transform: translateY(0);
}
.preloader__tagline {
  font-family: "Jost", "Poppins", "Noto Sans JP", "Hiragino Sans", sans-serif;
  font-size: 22px;
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.05em;
  margin: 0 0 16px;
  opacity: 0;
  transition: opacity 0.5s ease 0.25s;
}
.preloader__convergence.is-visible .preloader__tagline {
  opacity: 1;
}
.preloader__tagline-en {
  font-family: "Jost", "Poppins", sans-serif;
  font-size: 16px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.2em;
  margin: 0 0 20px;
  opacity: 0;
  transition: opacity 0.5s ease 0.4s;
}
.preloader__convergence.is-visible .preloader__tagline-en {
  opacity: 1;
}
.preloader__gold-line {
  display: block;
  width: 0;
  height: 1px;
  background: #4A7BC9;
  margin: 0 auto;
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.6s;
}
.preloader__convergence.is-visible .preloader__gold-line {
  width: 120px;
}

/* Hidden */
.preloader.is-hidden { display: none; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .preloader { display: none !important; }
}

/* Mobile */
@media (max-width: 768px) {
  .preloader__logo { width: 140px; }
  .preloader__tagline { font-size: 18px; }
  .preloader__tagline-en { font-size: 14px; }
}