html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', system-ui, sans-serif;
  background: #ffffff;
  color: #0F172A;
}

/* ══════════════════════════════ Hero background ══════════════════════════════ */
.hero-bg-v2 {
  position: relative;
  background-image:
    linear-gradient(to bottom, rgba(240,249,255,.55) 0%, rgba(186,230,253,.55) 50%, rgba(255,255,255,.98) 100%),
    url('../images/hero.jpg');
  background-size: cover;
  background-position: center 20%;
  overflow: hidden;
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(14,165,233,.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,.10) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 55% at 50% 25%, #000 30%, transparent 90%);
}
.hero-glow { position: absolute; z-index: 1; border-radius: 50%; filter: blur(70px); pointer-events: none; animation: drift 20s ease-in-out infinite alternate; }
.hero-glow.g1 { width: 360px; height: 360px; background: #7DD3FC; opacity: .45; top: -60px; left: -40px; }
.hero-glow.g2 { width: 320px; height: 320px; background: #C4B5FD; opacity: .4; top: 30%; right: -60px; animation-delay: -8s; }
@keyframes drift {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(30px,-24px) scale(1.1); }
}

/* ══════════════════════════════ Type ══════════════════════════════ */
.font-eyebrow {
  font-family: 'Orbitron', 'Noto Sans JP', sans-serif;
  letter-spacing: 4px;
  text-transform: uppercase;
}
.hero-headline {
  font-weight: 900;
  font-size: clamp(36px, 6vw, 72px);
  line-height: 1.3;
  letter-spacing: .3px;
  color: #0F172A;
}
.grad-text {
  background: linear-gradient(96deg, #0EA5E9 0%, #8B5CF6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ══════════════════════════════ Scroll reveal ══════════════════════════════ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  filter: blur(0);
  transition: opacity .65s cubic-bezier(.16,1,.3,1), transform .65s cubic-bezier(.16,1,.3,1), filter .65s cubic-bezier(.16,1,.3,1);
}
[data-reveal].reveal-heading {
  transform: translateY(20px);
  filter: blur(9px);
}
[data-reveal].revealed { opacity: 1; transform: none; filter: blur(0); }
[data-reveal-delay="1"] { transition-delay: .1s; }
[data-reveal-delay="2"] { transition-delay: .2s; }
[data-reveal-delay="3"] { transition-delay: .3s; }

/* ══════════════════════════════ Glass surfaces ══════════════════════════════ */
.glass {
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(148,163,184,.25);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 2px 16px rgba(15,23,42,.05);
}
.glass-strong {
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(148,163,184,.25);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 8px 28px rgba(15,23,42,.10);
}
.hairline {
  background: linear-gradient(90deg, transparent, rgba(14,165,233,.4), rgba(139,92,246,.4), transparent);
  height: 1px;
}

/* ══════════════════════════════ Header ══════════════════════════════ */
#site-header {
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(148,163,184,.15);
}
#site-header.scrolled {
  background: rgba(255,255,255,.92);
  box-shadow: 0 4px 24px rgba(15,23,42,.06);
}
.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute; left: 0; right: 100%; bottom: -6px;
  height: 2px; border-radius: 2px;
  background: linear-gradient(90deg,#0EA5E9,#8B5CF6);
  transition: right .3s cubic-bezier(.4,0,.2,1);
}
.nav-link:hover::after { right: 0; }

/* ══════════════════════════════ Buttons ══════════════════════════════ */
.btn-neon {
  position: relative;
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(96deg,#0EA5E9,#8B5CF6);
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  transition: transform .25s cubic-bezier(.4,0,.2,1), box-shadow .25s ease;
  box-shadow: 0 6px 20px rgba(14,165,233,.25);
}
.btn-neon:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(14,165,233,.32), 0 4px 16px rgba(139,92,246,.24);
}
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(148,163,184,.4);
  color: #334155;
  border-radius: 999px;
  transition: all .25s cubic-bezier(.4,0,.2,1);
  background: rgba(255,255,255,.6);
}
.btn-outline:hover {
  border-color: rgba(14,165,233,.5);
  color: #0EA5E9;
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(14,165,233,.12);
}
.btn-line-v2 {
  display: inline-flex; align-items: center; gap: 10px;
  background: #06C755; color: #fff; font-weight: 700;
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(6,199,85,.28);
  transition: transform .25s cubic-bezier(.4,0,.2,1), box-shadow .25s ease;
}
.btn-line-v2:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(6,199,85,.45); }

/* ══════════════════════════════ Segmented tabs (services / price) ══════════════════════════════ */
.seg-bar {
  position: relative;
  display: flex;
  gap: 4px;
  padding: 5px;
  border-radius: 16px;
  background: #EEF2F7;
  border: 1px solid rgba(148,163,184,.2);
  overflow-x: auto;
  scrollbar-width: none;
}
.seg-bar::-webkit-scrollbar { display: none; }
.seg-indicator {
  position: absolute;
  top: 5px; bottom: 5px; left: 5px;
  width: 0;
  border-radius: 11px;
  background: #fff;
  box-shadow: 0 2px 12px rgba(15,23,42,.10), 0 0 0 1px rgba(14,165,233,.18);
  transition: transform .38s cubic-bezier(.65,0,.35,1), width .38s cubic-bezier(.65,0,.35,1);
  z-index: 0;
}
.seg-btn {
  position: relative; z-index: 1;
  flex: 0 0 auto;
  display: flex; align-items: center; justify-content: center; gap: 7px;
  padding: 11px 16px;
  font-size: 13px; font-weight: 500;
  color: #64748B;
  white-space: nowrap;
  cursor: pointer;
  transition: color .25s ease;
}
@media (min-width: 768px) { .seg-btn { flex: 1; } }
.seg-btn.active { color: #0369A1; font-weight: 600; }
.seg-btn svg { flex-shrink: 0; }

.seg-panel { display: none; }
.seg-panel.active { display: block; }
.seg-panel-inner {
  transition: opacity .32s cubic-bezier(.4,0,.2,1), transform .32s cubic-bezier(.4,0,.2,1);
}

/* ══════════════════════════════ Cards ══════════════════════════════ */
.tilt-card {
  transition: transform .4s cubic-bezier(.16,1,.3,1), border-color .4s ease, box-shadow .4s ease;
}
.tilt-card:hover {
  transform: translateY(-6px);
  border-color: rgba(14,165,233,.35);
  box-shadow: 0 16px 40px rgba(15,23,42,.10);
}
.img-fade { position: relative; }
.img-fade::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0) 55%, rgba(255,255,255,.5) 100%);
}

/* ══════════════════════════════ Stats ══════════════════════════════ */
.stat-num {
  font-family: 'Orbitron', 'Noto Sans JP', sans-serif;
}

/* ══════════════════════════════ Floating CTA ══════════════════════════════ */
#float-cta {
  position: fixed;
  right: 20px; bottom: 20px;
  z-index: 60;
  opacity: 0;
  transform: translateY(24px) scale(.92);
  pointer-events: none;
  transition: opacity .4s cubic-bezier(.4,0,.2,1), transform .4s cubic-bezier(.4,0,.2,1);
}
#float-cta.show {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
#float-cta .pulse-ring {
  position: absolute; inset: 0;
  border-radius: 999px;
  background: #06C755;
  animation: pulse-ring 2.4s cubic-bezier(.4,0,.6,1) infinite;
  z-index: -1;
}
@keyframes pulse-ring {
  0%   { transform: scale(1);   opacity: .5; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* ══════════════════════════════ Mobile menu ══════════════════════════════ */
#mobile-menu {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height .4s cubic-bezier(.4,0,.2,1), opacity .3s ease;
}
#mobile-menu.open { max-height: 480px; opacity: 1; }

::selection { background: rgba(14,165,233,.22); color: #0F172A; }

.scroll-cue { animation: bob 2s ease-in-out infinite; }
@keyframes bob {
  0%,100% { transform: translateY(0); opacity: .55; }
  50%     { transform: translateY(8px); opacity: 1; }
}