/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #f91a3b;
  --primary-dark: #d4102e;
  --dark: #151427;
  --dark-2: #1a1a2e;
  --gray-900: #222222;
  --gray-700: #444444;
  --gray-400: #999999;
  --gray-200: #d8d8d8;
  --gray-100: #f0f0f3;
  --white: #ffffff;
  --font: 'Maven Pro', 'Noto Sans JP', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--gray-700);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-accent { color: var(--primary); }

.section {
  padding: 100px 0;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

/* ===== Demo Banner ===== */
.demo-banner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 2000;
  background: var(--dark);
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  padding: 8px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-bottom: 1px solid rgba(249, 26, 59, 0.3);
  letter-spacing: 0.5px;
}

.demo-badge {
  background: var(--primary);
  color: var(--white);
  font-size: 11px;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 3px;
  letter-spacing: 2px;
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: transparent;
  color: var(--primary);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--dark);
}

.btn-header {
  background: var(--primary);
  color: var(--white);
  padding: 10px 24px;
  font-size: 14px;
  border-color: var(--primary);
}

.btn-header:hover {
  background: transparent;
  color: var(--primary);
}

.btn-full { width: 100%; text-align: center; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 36px;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 0;
  transition: all var(--transition);
  background: transparent;
}

.header.scrolled {
  background: var(--gray-900);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 1px;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: var(--white);
  font-size: 14px;
  border-radius: 4px;
}

.logo-accent { color: var(--primary); margin-left: 2px; }

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

.nav-link {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

.nav-link:hover {
  color: var(--white);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-arrow { font-size: 10px; margin-left: 4px; }

.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--gray-900);
  border-top: 2px solid var(--primary);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  transition: all var(--transition);
}

.dropdown-menu a:hover {
  background: rgba(249, 26, 59, 0.1);
  color: var(--primary);
  padding-left: 24px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(21, 20, 39, 0.92) 0%, rgba(15, 52, 96, 0.88) 100%),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 900"><rect fill="%23151427" width="1440" height="900"/><circle cx="200" cy="400" r="300" fill="%230f3460" opacity="0.3"/><circle cx="1200" cy="300" r="400" fill="%23533483" opacity="0.15"/></svg>');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(to top, var(--white), transparent);
  z-index: 2;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(249, 26, 59, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(15, 52, 96, 0.2) 0%, transparent 60%);
}

/* Geometric accents */
.hero::after {
  content: '';
  position: absolute;
  top: 15%;
  right: 5%;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(249, 26, 59, 0.15);
  border-radius: 50%;
  animation: pulse-ring 4s ease-in-out infinite;
}

@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.08); opacity: 0.6; }
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-sub {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.4s;
}

.hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.7);
  max-width: 520px;
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.6s;
}

.hero-btns {
  display: flex;
  gap: 16px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.8s;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 3;
  color: rgba(255,255,255,0.4);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  animation: scroll-anim 2s ease-in-out infinite;
}

@keyframes scroll-anim {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== About ===== */
.section-about {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-img-box {
  position: relative;
  width: 100%;
  padding-bottom: 120%;
  background: linear-gradient(135deg, var(--dark-2) 0%, #16213e 100%);
  border-radius: 8px;
  overflow: hidden;
}

.about-img-box::before {
  content: '';
  position: absolute;
  top: 20%;
  left: 20%;
  width: 60%;
  height: 60%;
  border: 2px solid rgba(249, 26, 59, 0.3);
  border-radius: 50%;
}

.about-img-box::after {
  content: 'HE';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 80px;
  font-weight: 900;
  color: rgba(249, 26, 59, 0.1);
  letter-spacing: 8px;
}

.about-img-accent {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  background: var(--primary);
  border-radius: 8px;
  z-index: -1;
}

.about-text p {
  margin-bottom: 16px;
  font-size: 15px;
}

.stats-row {
  display: flex;
  gap: 40px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-200);
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-size: 36px;
  font-weight: 900;
  color: var(--dark);
  line-height: 1;
}

.stat-plus, .stat-unit {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  display: block;
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ===== Services ===== */
.section-services {
  background: var(--gray-100);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  padding: 40px 28px;
  border-radius: 8px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(21, 20, 39, 0.1);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 20px;
  color: var(--primary);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-link span {
  transition: transform var(--transition);
}

.service-link:hover span {
  transform: translateX(4px);
}

/* ===== Banner ===== */
.section-banner {
  position: relative;
  background: linear-gradient(135deg, var(--dark) 0%, #0f3460 100%);
  padding: 80px 0;
  text-align: center;
  overflow: hidden;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(249, 26, 59, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(83, 52, 131, 0.08) 0%, transparent 50%);
}

.banner-content {
  position: relative;
  z-index: 2;
}

.banner-content h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.banner-content > p {
  color: rgba(255,255,255,0.6);
  font-size: 16px;
  margin-bottom: 48px;
}

.solutions-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.sol-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 32px 24px;
  transition: all var(--transition);
}

.sol-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--primary);
  transform: translateY(-4px);
}

.sol-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.sol-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.sol-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

/* ===== News ===== */
.section-news {
  background: var(--white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  border-radius: 8px;
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: all var(--transition);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.news-img {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.news-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(0,0,0,0.3));
}

.news-body {
  padding: 24px;
}

.news-date {
  font-size: 12px;
  color: var(--gray-400);
  letter-spacing: 1px;
}

.news-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin: 8px 0 12px;
  line-height: 1.5;
}

.news-body p {
  font-size: 14px;
  color: var(--gray-700);
  margin-bottom: 16px;
}

.news-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.news-link:hover {
  text-decoration: underline;
}

/* ===== Contact ===== */
.section-contact {
  background: var(--gray-100);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info p {
  font-size: 15px;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-item strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-item span {
  font-size: 15px;
  color: var(--gray-700);
}

.contact-form-wrap {
  background: var(--white);
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 15px;
  border: 1px solid var(--gray-200);
  border-radius: 4px;
  transition: border-color var(--transition);
  background: var(--white);
  color: var(--dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  resize: vertical;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  padding: 60px 0 0;
  color: rgba(255,255,255,0.6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
  font-size: 14px;
  margin-top: 16px;
  line-height: 1.7;
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition);
}

.social-links a:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.footer-links h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  padding: 4px 0;
  transition: all var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
}

.footer-demo {
  margin-top: 8px;
  font-size: 12px;
  color: var(--primary);
  letter-spacing: 1px;
}

.footer-demo strong {
  color: var(--white);
  font-weight: 700;
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--gray-900);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 0;
    transition: right var(--transition);
  }

  .nav.open { right: 0; }

  .nav-link {
    padding: 14px 0;
    width: 100%;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .nav-dropdown { width: 100%; }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    border-top: none;
    padding-left: 16px;
    display: none;
  }
  .nav-dropdown:hover .dropdown-menu,
  .nav-dropdown.active .dropdown-menu { display: block; }

  .hamburger { display: flex; }

  .btn-header { display: none; }

  .hero-title { font-size: clamp(32px, 8vw, 52px); }

  .hero-btns { flex-direction: column; }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image { order: -1; }
  .about-img-box { padding-bottom: 60%; }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .solutions-cards {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .stats-row {
    flex-wrap: wrap;
    gap: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-form-wrap { padding: 24px; }

  .demo-banner {
    font-size: 11px;
    padding: 6px 12px;
  }

  .demo-badge {
    font-size: 10px;
    padding: 2px 8px;
  }
}