/* ==========================================================================
   Component: Site Loading（初回のみ）
   ========================================================================== */

.p-site-loading {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background: linear-gradient(
    145deg,
    var(--color-bg-fv-start) 0%,
    var(--color-bg-fv-mid) 42%,
    var(--color-bg-fv-end) 100%
  );
  opacity: 1;
  visibility: visible;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.p-site-loading.is-hiding {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.p-site-loading__inner {
  width: 100%;
  max-width: 720px;
  text-align: center;
}

.p-site-loading__stage {
  position: relative;
  width: 100%;
  min-height: clamp(72px, 18vw, 120px);
}

.p-site-loading__title {
  margin: 0;
}

.p-site-loading__phrase {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--color-text);
  opacity: 0;
  filter: blur(12px);
  visibility: hidden;
  transform: translateY(-50%);
  transition:
    opacity 0.26s ease,
    filter 0.26s ease,
    visibility 0s linear 0.26s;
  pointer-events: none;
}

.p-site-loading__phrase.is-active {
  opacity: 1;
  filter: blur(0);
  visibility: visible;
  transition:
    opacity 0.28s ease,
    filter 0.28s ease,
    visibility 0s;
}

.p-site-loading__phrase.is-leaving {
  opacity: 0;
  filter: blur(10px);
  visibility: hidden;
  transition:
    opacity 0.22s ease,
    filter 0.22s ease,
    visibility 0s linear 0.22s;
}

.p-site-loading__phrase--1 {
  font-size: clamp(22px, 5.6vw, 54px);
  line-height: 1.65;
  letter-spacing: 0.04em;
}

.p-site-loading__phrase--2,
.p-site-loading__phrase--3 {
  font-size: clamp(26px, 6.8vw, 54px);
  line-height: 1.55;
  letter-spacing: 0.04em;
}

.p-site-loading__highlight1 {
  color: var(--color-primary-dark);
  font-weight: 500;
  font-size: 120%;
  font-style: normal;
}

.p-site-loading__highlight2 {
  color: var(--color-accent);
  font-weight: 500;
  font-size: 120%;
  font-style: normal;
}

.p-site-loading__text {
  font-style: normal;
}

@media (prefers-reduced-motion: reduce) {
  .p-site-loading__phrase {
    filter: none;
    transition: opacity 0.35s ease, visibility 0s linear 0.35s;
  }

  .p-site-loading__phrase.is-active {
    transition: opacity 0.35s ease, visibility 0s;
  }

  .p-site-loading__phrase.is-leaving {
    filter: none;
    transition: opacity 0.3s ease, visibility 0s linear 0.3s;
  }

  .p-site-loading {
    transition: opacity 0.35s ease, visibility 0.35s ease;
  }
}