/* 翔和建設 corporate site — shared styles beyond Tailwind utilities */

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
}

.font-heading {
  font-family: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
}

section[id] {
  scroll-margin-top: 88px;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Hero background */
.hero-bg {
  background-size: cover;
  background-position: center;
}

/* Sticky header shadow transition */
#site-header {
  transition: background-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

/* Custom scrollbar for a slightly more polished feel */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Card hover lift */
.card-lift {
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.card-lift:hover {
  transform: translateY(-6px);
}

/* Underline accent for section eyebrows */
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background-color: #F97316;
  margin-right: 10px;
  vertical-align: middle;
}

/* Mobile nav panel */
#mobile-nav {
  transition: max-height 0.4s ease, opacity 0.3s ease;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}
#mobile-nav.open {
  max-height: 600px;
  opacity: 1;
}

/* Loading spinner for form submit */
.spinner {
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 9999px;
  width: 16px;
  height: 16px;
  animation: spin 0.7s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Marquee-ish number count fade */
.stat-number {
  font-variant-numeric: tabular-nums;
}