:root {
  --navy: #0a1628;
  --deep: #0d1f3c;
  --blue: #1a3a6b;
  --accent: #00c8ff;
  --accent2: #0084b4;
  --gold: #f0c744;
  --coral: #ff6b6b;
  --white: #ffffff;
  --light: #f0f7fb;
  --gray: #8a9bb0;
  --text: #1a2a3a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  font-size: 1.05rem;
}

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 22, 40, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,200,255,0.15);
}

.logo {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.5rem;
  color: var(--white);
  letter-spacing: 0.05em;
  text-decoration: none;
}

.logo span { color: var(--accent); }

nav { display: flex; gap: 32px; align-items: center; }

nav a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

nav a:hover { color: var(--accent); }

.nav-cta {
  background: var(--accent);
  color: var(--navy) !important;
  padding: 9px 22px;
  border-radius: 50px;
  font-weight: 700 !important;
  box-shadow: 0 3px 0 var(--accent2);
  transition: transform 0.15s, box-shadow 0.15s !important;
}

.nav-cta:hover {
  transform: translateY(2px) !important;
  box-shadow: 0 1px 0 var(--accent2) !important;
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 40px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 65% 35%, rgba(0,132,180,0.2) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 20% 75%, rgba(0,200,255,0.08) 0%, transparent 50%),
    radial-gradient(ellipse 30% 30% at 85% 75%, rgba(240,199,68,0.05) 0%, transparent 50%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.dots { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }

.dot {
  position: absolute;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  animation: float-dot 6s infinite ease-in-out;
}

@keyframes float-dot {
  0% { opacity: 0; transform: translateY(0) scale(0); }
  20% { opacity: 0.6; }
  80% { opacity: 0.2; }
  100% { opacity: 0; transform: translateY(-120px) scale(1.5); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--navy);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 7px 20px;
  border-radius: 50px;
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease forwards;
  box-shadow: 0 2px 12px rgba(240,199,68,0.35);
}

.hero h1 {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  color: var(--white);
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero h1 .accent { color: var(--accent); }
.hero h1 .gold { color: var(--gold); }

.hero-sub {
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
  color: rgba(255,255,255,0.65);
  line-height: 1.9;
  margin-bottom: 48px;
  animation: fadeInUp 0.8s 0.4s ease both;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.6s ease both;
}

.btn-primary {
  background: var(--accent);
  color: var(--navy);
  padding: 16px 40px;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 50px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 5px 0 var(--accent2), 0 8px 24px rgba(0,200,255,0.25);
}

.btn-primary:hover {
  transform: translateY(3px);
  box-shadow: 0 2px 0 var(--accent2), 0 4px 16px rgba(0,200,255,0.2);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  padding: 16px 40px;
  font-size: 1.05rem;
  font-weight: 500;
  border-radius: 50px;
  text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.3);
  transition: border-color 0.2s, background 0.2s;
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(0,200,255,0.08);
}

.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 72px;
  animation: fadeInUp 0.8s 0.8s ease both;
}

.stat {
  text-align: center;
  border-left: 1px solid rgba(0,200,255,0.2);
  padding-left: 48px;
}

.stat:first-child { border-left: none; padding-left: 0; }

.stat-num {
  font-family: 'Shippori Mincho', serif;
  font-size: 2.4rem;
  color: var(--accent);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
}

/* ===== SECTIONS ===== */
section { padding: 96px 40px; }
.container { max-width: 1100px; margin: 0 auto; }

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent2);
  text-transform: uppercase;
  background: rgba(0,200,255,0.08);
  padding: 4px 14px;
  border-radius: 50px;
  border: 1px solid rgba(0,200,255,0.2);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.05rem;
  color: #556;
  line-height: 1.9;
  max-width: 100%;
}

/* ===== WHY ===== */
.why { background: var(--light); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.why-card {
  background: var(--white);
  border-radius: 20px;
  padding: 40px 32px;
  border: 1.5px solid rgba(0,100,200,0.07);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.why-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,100,200,0.1);
  border-color: rgba(0,200,255,0.3);
}

.why-icon {
  width: 54px; height: 54px;
  background: var(--gold);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  box-shadow: 0 3px 0 rgba(0,0,0,0.08);
}

.why-card:nth-child(2) .why-icon { background: rgba(0,200,255,0.15); }
.why-card:nth-child(3) .why-icon { background: rgba(255,107,107,0.15); }

.why-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.why-card p {
  font-size: 0.98rem;
  color: #667;
  line-height: 1.8;
}

/* ===== SERVICES ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.service-card {
  border-radius: 20px;
  overflow: hidden;
  border: 1.5px solid rgba(0,100,200,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(0,50,120,0.12); }

.service-head {
  background: var(--deep);
  padding: 32px 28px 24px;
}

.service-num {
  font-family: 'Shippori Mincho', serif;
  font-size: 2.8rem;
  color: rgba(0,200,255,0.15);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 12px;
}

.service-head h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.service-head p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

.service-body { background: var(--white); padding: 22px 28px 26px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
  background: var(--light);
  color: var(--accent2);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid rgba(0,132,180,0.2);
}

/* ===== FLOW ===== */
.flow { background: var(--navy); }
.flow .section-label { color: rgba(0,200,255,0.8); background: rgba(0,200,255,0.08); border-color: rgba(0,200,255,0.2); }
.flow .section-title { color: var(--white); }
.flow .section-desc { color: rgba(255,255,255,0.5); }

.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 56px;
  position: relative;
}

.flow-steps::before {
  content: '';
  position: absolute;
  top: 38px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(0,200,255,0.1));
  border-radius: 2px;
}

.flow-step { text-align: center; padding: 0 16px; position: relative; }

.flow-step-num {
  width: 76px; height: 76px;
  border-radius: 50%;
  border: 2px solid rgba(0,200,255,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-family: 'Shippori Mincho', serif;
  font-size: 1.6rem;
  color: var(--accent);
  font-weight: 700;
  position: relative;
  z-index: 1;
  background: var(--navy);
}

.flow-step h4 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.flow-step p { font-size: 0.9rem; color: rgba(255,255,255,0.45); line-height: 1.7; }

.flow-duration {
  display: inline-block;
  margin-top: 12px;
  background: rgba(0,200,255,0.1);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid rgba(0,200,255,0.2);
}

/* ===== PRICE ===== */
.price { background: var(--light); }

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.price-card {
  background: var(--white);
  border-radius: 20px;
  border: 1.5px solid rgba(0,100,200,0.08);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.price-card.featured {
  border: 2px solid var(--accent);
  box-shadow: 0 8px 40px rgba(0,200,255,0.18);
  transform: translateY(-8px);
}

.price-card:hover { transform: translateY(-5px); box-shadow: 0 16px 40px rgba(0,50,120,0.1); }
.price-card.featured:hover { transform: translateY(-12px); }

.price-head {
  padding: 28px 28px 20px;
  background: var(--deep);
  text-align: center;
}

.price-card.featured .price-head { background: linear-gradient(135deg, var(--blue), var(--accent2)); }

.price-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(240,199,68,0.3);
}

.price-head h3 { font-size: 1.05rem; color: rgba(255,255,255,0.7); font-weight: 400; margin-bottom: 8px; }

.price-amount {
  font-family: 'Shippori Mincho', serif;
  font-size: 2.2rem;
  color: var(--white);
  font-weight: 700;
}

.price-amount span { font-size: 0.9rem; font-weight: 400; opacity: 0.6; }

.price-body { padding: 28px; }
.price-features { list-style: none; }

.price-features li {
  font-size: 0.96rem;
  color: #445;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  display: flex;
  align-items: center;
  gap: 10px;
}

.price-features li::before {
  content: '✓';
  color: var(--accent2);
  font-weight: 700;
  flex-shrink: 0;
}

.price-cta {
  display: block;
  text-align: center;
  margin-top: 24px;
  padding: 13px;
  background: var(--light);
  color: var(--navy);
  font-weight: 700;
  font-size: 0.98rem;
  border-radius: 50px;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}

.price-cta:hover { border-color: var(--accent); }

.price-card.featured .price-cta {
  background: var(--accent);
  color: var(--navy);
  box-shadow: 0 3px 0 var(--accent2);
}

/* ===== CTA BANNER / CONTACT ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 100%);
  padding: 96px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(0,200,255,0.1), transparent);
}

.cta-banner h2 {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
}

.cta-banner p {
  color: rgba(255,255,255,0.6);
  font-size: 1.05rem;
  margin-bottom: 40px;
  position: relative;
}

/* ===== FOOTER ===== */
footer { background: #060e1a; padding: 56px 40px 32px; }

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand .logo { font-size: 1.3rem; margin-bottom: 16px; display: block; }
.footer-brand p { font-size: 0.92rem; color: rgba(255,255,255,0.35); line-height: 1.8; }

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.4);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  max-width: 1100px;
  margin: 28px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p { font-size: 0.85rem; color: rgba(255,255,255,0.2); }

/* ===== FORM ===== */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 0.92rem; color: rgba(255,255,255,0.7); font-weight: 500; }
.required {
  background: var(--coral);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 50px;
  margin-left: 6px;
  vertical-align: middle;
}
.form-input {
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 12px 15px;
  font-size: 0.98rem;
  color: var(--white);
  font-family: 'Noto Sans JP', sans-serif;
  transition: border-color 0.2s, background 0.2s;
  width: 100%;
}
.form-input::placeholder { color: rgba(255,255,255,0.22); }
.form-input:focus { outline: none; border-color: var(--accent); background: rgba(0,200,255,0.05); }
select.form-input option { background: var(--navy); color: var(--white); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  header { padding: 14px 24px; }
  nav { gap: 16px; }
  nav a:not(.nav-cta) { display: none; }
  section { padding: 72px 24px; }
  .why-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .flow-steps::before { display: none; }
  .price-grid { grid-template-columns: 1fr; }
  .price-card.featured { transform: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .stat { padding-left: 24px; }
}

@media (max-width: 600px) {
  .hero-btns { flex-direction: column; align-items: center; }
  .flow-steps { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .stat { border-left: none; padding-left: 0; border-top: 1px solid rgba(0,200,255,0.15); padding-top: 20px; }
  .stat:first-child { border-top: none; padding-top: 0; }
  .form-two-col { grid-template-columns: 1fr !important; }
  .form-addr-col { grid-template-columns: 1fr !important; }
}
