/* ===== Reset & Base ===== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }



:root {

  --primary: #0f2b4a;

  --primary-light: #1a4270;

  --accent: #2563eb;

  --accent-hover: #1d4ed8;

  --text: #1e293b;

  --text-muted: #64748b;

  --bg: #ffffff;

  --bg-alt: #f8fafc;

  --bg-dark: #0a1628;

  --border: #e2e8f0;

  --shadow: 0 4px 24px rgba(15, 43, 74, 0.08);

  --shadow-lg: 0 12px 48px rgba(15, 43, 74, 0.12);

  --radius: 12px;

  --radius-lg: 20px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --header-h: 72px;

}



html {

  scroll-behavior: smooth;

  scroll-padding-top: var(--header-h);

}



body {

  font-family: "Noto Sans JP", "Noto Sans SC", "Hiragino Sans", "Microsoft YaHei", sans-serif;

  color: var(--text);

  background: var(--bg);

  line-height: 1.8;

  font-size: 16px;

  overflow-x: hidden;

}



body.lang-zh {

  font-family: "Noto Sans SC", "Noto Sans JP", "Microsoft YaHei", sans-serif;

}



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

a { color: inherit; text-decoration: none; }

ul { list-style: none; }



.container {

  max-width: 1200px;

  margin: 0 auto;

  padding: 0 24px;

}



/* ===== Header ===== */

.header {

  position: fixed;

  top: 0;

  left: 0;

  right: 0;

  height: var(--header-h);

  z-index: 1000;

  background: rgba(255, 255, 255, 0.92);

  backdrop-filter: blur(16px);

  border-bottom: 1px solid transparent;

  transition: var(--transition);

}



.header.scrolled {

  border-bottom-color: var(--border);

  box-shadow: var(--shadow);

}



.header-inner {

  display: flex;

  align-items: center;

  justify-content: space-between;

  height: 100%;

}



.logo {

  display: flex;

  align-items: center;

  gap: 10px;

  font-weight: 700;

  font-size: 1.25rem;

  color: var(--primary);

  letter-spacing: 0.05em;

}



.logo-icon {

  width: 36px;

  height: 36px;

  background: linear-gradient(135deg, var(--accent), var(--primary));

  border-radius: 8px;

  display: flex;

  align-items: center;

  justify-content: center;

  color: #fff;

  font-size: 0.75rem;

  font-weight: 800;

}



.nav {

  display: flex;

  align-items: center;

  gap: 8px;

}



.nav-list {

  display: flex;

  align-items: center;

  gap: 4px;

}



.nav-list a {

  padding: 8px 14px;

  font-size: 0.875rem;

  color: var(--text-muted);

  border-radius: 8px;

  transition: var(--transition);

  white-space: nowrap;

}



.nav-list a:hover,

.nav-list a.active {

  color: var(--accent);

  background: rgba(37, 99, 235, 0.06);

}



.lang-switch {

  display: flex;

  align-items: center;

  gap: 4px;

  margin-left: 12px;

  padding-left: 12px;

  border-left: 1px solid var(--border);

}



.lang-switch a {

  padding: 6px 12px;

  font-size: 0.8125rem;

  font-weight: 600;

  border-radius: 6px;

  color: var(--text-muted);

  transition: var(--transition);

}



.lang-switch a.active,

.lang-switch a:hover {

  color: var(--accent);

  background: rgba(37, 99, 235, 0.08);

}



.menu-toggle {

  display: none;

  flex-direction: column;

  gap: 5px;

  background: none;

  border: none;

  cursor: pointer;

  padding: 8px;

}



.menu-toggle span {

  display: block;

  width: 24px;

  height: 2px;

  background: var(--primary);

  border-radius: 2px;

  transition: var(--transition);

}



/* ===== Hero ===== */

.hero {

  position: relative;

  min-height: 100vh;

  display: flex;

  align-items: center;

  background: linear-gradient(135deg, #0a1628 0%, #0f2b4a 40%, #1a4270 100%);

  overflow: hidden;

  padding-top: var(--header-h);

}



.hero::before {

  content: "";

  position: absolute;

  inset: 0;

  background:

    radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),

    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);

}



.hero-grid {

  position: absolute;

  inset: 0;

  background-image:

    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),

    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);

  background-size: 60px 60px;

  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.4), transparent 80%);

}



.hero-content {

  position: relative;

  z-index: 1;

  max-width: 780px;

}



.hero-label {

  display: inline-flex;

  align-items: center;

  gap: 8px;

  padding: 6px 16px;

  background: rgba(255, 255, 255, 0.08);

  border: 1px solid rgba(255, 255, 255, 0.12);

  border-radius: 100px;

  color: rgba(255, 255, 255, 0.8);

  font-size: 0.8125rem;

  margin-bottom: 28px;

  backdrop-filter: blur(8px);

  font-family: "Noto Sans SC", "Noto Sans JP", "Microsoft YaHei", sans-serif;

  letter-spacing: 0.02em;

}



.hero-label::before {

  content: "";

  width: 8px;

  height: 8px;

  background: #34d399;

  border-radius: 50%;

  animation: pulse 2s infinite;

}



@keyframes pulse {

  0%, 100% { opacity: 1; }

  50% { opacity: 0.4; }

}



.hero h1 {

  font-size: clamp(2rem, 5vw, 3.25rem);

  font-weight: 700;

  color: #fff;

  line-height: 1.35;

  margin-bottom: 24px;

  letter-spacing: 0.02em;

}



.hero p {

  font-size: clamp(1rem, 2vw, 1.125rem);

  color: rgba(255, 255, 255, 0.75);

  margin-bottom: 40px;

  max-width: 620px;

}



.hero-actions {

  display: flex;

  gap: 16px;

  flex-wrap: wrap;

}



.btn {

  display: inline-flex;

  align-items: center;

  gap: 8px;

  padding: 14px 28px;

  font-size: 0.9375rem;

  font-weight: 600;

  border-radius: 10px;

  transition: var(--transition);

  cursor: pointer;

  border: none;

}



.btn-primary {

  background: var(--accent);

  color: #fff;

}



.btn-primary:hover {

  background: var(--accent-hover);

  transform: translateY(-2px);

  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);

}



.btn-outline {

  background: transparent;

  color: #fff;

  border: 1px solid rgba(255, 255, 255, 0.3);

}



.btn-outline:hover {

  background: rgba(255, 255, 255, 0.08);

  border-color: rgba(255, 255, 255, 0.5);

}



.hero-scroll {

  position: absolute;

  bottom: 40px;

  left: 50%;

  transform: translateX(-50%);

  display: flex;

  flex-direction: column;

  align-items: center;

  gap: 8px;

  color: rgba(255, 255, 255, 0.4);

  font-size: 0.75rem;

  animation: bounce 2s infinite;

}



@keyframes bounce {

  0%, 100% { transform: translateX(-50%) translateY(0); }

  50% { transform: translateX(-50%) translateY(8px); }

}



.hero-scroll svg {

  width: 20px;

  height: 20px;

}



/* ===== Section Common ===== */

.section {

  padding: 100px 0;

}



.section-alt {

  background: var(--bg-alt);

}



.section-dark {

  background: var(--bg-dark);

  color: #fff;

}



.section-header {

  text-align: center;

  max-width: 680px;

  margin: 0 auto 64px;

}



.section-label {

  display: inline-block;

  font-size: 0.8125rem;

  font-weight: 700;

  color: var(--accent);

  text-transform: uppercase;

  letter-spacing: 0.12em;

  margin-bottom: 12px;

}



.section-dark .section-label {

  color: #60a5fa;

}



.section-header h2 {

  font-size: clamp(1.75rem, 3vw, 2.25rem);

  font-weight: 700;

  color: var(--primary);

  margin-bottom: 16px;

  line-height: 1.4;

}



.section-dark .section-header h2 {

  color: #fff;

}



.section-header p {

  color: var(--text-muted);

  font-size: 1.0625rem;

}



.section-dark .section-header p {

  color: rgba(255, 255, 255, 0.65);

}



/* ===== Tags ===== */

.tags {

  display: flex;

  flex-wrap: wrap;

  gap: 10px;

  margin-top: 32px;

}



.tag {

  padding: 8px 18px;

  background: rgba(37, 99, 235, 0.08);

  color: var(--accent);

  border-radius: 100px;

  font-size: 0.875rem;

  font-weight: 500;

  border: 1px solid rgba(37, 99, 235, 0.12);

  transition: var(--transition);

}



.tag:hover {

  background: var(--accent);

  color: #fff;

}



/* ===== About ===== */

.about-grid {

  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 64px;

  align-items: center;

}



.about-text p {

  color: var(--text-muted);

  margin-bottom: 20px;

  font-size: 1.0625rem;

}



.about-visual {

  position: relative;

}



.about-card {

  background: linear-gradient(135deg, var(--primary), var(--primary-light));

  border-radius: var(--radius-lg);

  padding: 48px;

  color: #fff;

  position: relative;

  overflow: hidden;

}



.about-card::after {

  content: "";

  position: absolute;

  top: -50%;

  right: -30%;

  width: 300px;

  height: 300px;

  background: rgba(255, 255, 255, 0.05);

  border-radius: 50%;

}



.about-card h3 {

  font-size: 1.5rem;

  margin-bottom: 16px;

  position: relative;

}



.about-card p {

  color: rgba(255, 255, 255, 0.8);

  position: relative;

  font-size: 0.9375rem;

}



.about-stats {

  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 24px;

  margin-top: 32px;

}



.stat-item {

  text-align: center;

  padding: 24px;

  background: var(--bg);

  border-radius: var(--radius);

  box-shadow: var(--shadow);

}



.stat-item strong {

  display: block;

  font-size: 1.75rem;

  color: var(--accent);

  margin-bottom: 4px;

}



.stat-item span {

  font-size: 0.8125rem;

  color: var(--text-muted);

}



/* ===== Service Cards ===== */

.cards-grid {

  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 24px;

}



.card {

  background: var(--bg);

  border: 1px solid var(--border);

  border-radius: var(--radius-lg);

  padding: 36px 28px;

  transition: var(--transition);

  position: relative;

  overflow: hidden;

}



.section-alt .card {

  background: #fff;

}



.card::before {

  content: "";

  position: absolute;

  top: 0;

  left: 0;

  right: 0;

  height: 3px;

  background: linear-gradient(90deg, var(--accent), #60a5fa);

  transform: scaleX(0);

  transition: var(--transition);

}



.card:hover {

  transform: translateY(-6px);

  box-shadow: var(--shadow-lg);

  border-color: transparent;

}



.card:hover::before {

  transform: scaleX(1);

}



.card-icon {

  width: 52px;

  height: 52px;

  background: rgba(37, 99, 235, 0.08);

  border-radius: 14px;

  display: flex;

  align-items: center;

  justify-content: center;

  margin-bottom: 20px;

  color: var(--accent);

}



.card-icon svg {

  width: 26px;

  height: 26px;

}



.card h3 {

  font-size: 1.125rem;

  font-weight: 700;

  color: var(--primary);

  margin-bottom: 12px;

}



.card p {

  font-size: 0.9375rem;

  color: var(--text-muted);

  line-height: 1.7;

}



/* ===== Domain Cards ===== */

.domain-grid {

  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 20px;

}



.domain-item {

  display: flex;

  gap: 20px;

  padding: 28px;

  background: #fff;

  border: 1px solid var(--border);

  border-radius: var(--radius);

  transition: var(--transition);

}



.section-alt .domain-item {

  background: var(--bg);

}



.domain-item:hover {

  border-color: var(--accent);

  box-shadow: var(--shadow);

}



.domain-num {

  flex-shrink: 0;

  width: 44px;

  height: 44px;

  background: var(--primary);

  color: #fff;

  border-radius: 10px;

  display: flex;

  align-items: center;

  justify-content: center;

  font-weight: 700;

  font-size: 0.875rem;

}



.domain-item h3 {

  font-size: 1.0625rem;

  color: var(--primary);

  margin-bottom: 8px;

}



.domain-item p {

  font-size: 0.875rem;

  color: var(--text-muted);

}



/* ===== Solutions List ===== */

.solutions-grid {

  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 16px;

}



.solution-item {

  display: flex;

  align-items: center;

  gap: 16px;

  padding: 20px 24px;

  background: rgba(255, 255, 255, 0.06);

  border: 1px solid rgba(255, 255, 255, 0.08);

  border-radius: var(--radius);

  transition: var(--transition);

}



.solution-item:hover {

  background: rgba(255, 255, 255, 0.1);

  border-color: rgba(255, 255, 255, 0.15);

}



.solution-item svg {

  flex-shrink: 0;

  width: 20px;

  height: 20px;

  color: #60a5fa;

}



.solution-item span {

  font-size: 0.9375rem;

  color: rgba(255, 255, 255, 0.85);

}



/* ===== Tech Grid ===== */

.tech-grid {

  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 24px;

}



.tech-item {

  text-align: center;

  padding: 32px 20px;

  background: #fff;

  border-radius: var(--radius);

  border: 1px solid var(--border);

  transition: var(--transition);

}



.tech-item:hover {

  box-shadow: var(--shadow);

  border-color: var(--accent);

}



.tech-item h3 {

  font-size: 1rem;

  color: var(--primary);

  margin-bottom: 12px;

}



.tech-item p {

  font-size: 0.8125rem;

  color: var(--text-muted);

  line-height: 1.6;

}



/* ===== Process ===== */

.process-flow {

  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 20px;

  margin-bottom: 64px;

}



.process-item {

  text-align: center;

  padding: 28px 16px;

  background: #fff;

  border-radius: var(--radius);

  border: 1px solid var(--border);

  position: relative;

}



.process-item svg {

  width: 32px;

  height: 32px;

  color: var(--accent);

  margin-bottom: 12px;

}



.process-item h4 {

  font-size: 0.875rem;

  color: var(--primary);

  line-height: 1.5;

}



/* ===== V-Model Steps ===== */

.vmodel-intro {

  max-width: 800px;

  margin: 0 auto 48px;

  text-align: center;

  color: var(--text-muted);

  font-size: 1rem;

}



.steps-grid {

  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 16px;

}



.step-card {

  background: #fff;

  border: 1px solid var(--border);

  border-radius: var(--radius);

  padding: 28px 20px;

  text-align: center;

  transition: var(--transition);

  position: relative;

}



.step-card:hover {

  box-shadow: var(--shadow);

  border-color: var(--accent);

}



.step-num {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  width: 36px;

  height: 36px;

  background: var(--accent);

  color: #fff;

  border-radius: 50%;

  font-size: 0.75rem;

  font-weight: 700;

  margin-bottom: 16px;

}



.step-card h4 {

  font-size: 0.9375rem;

  color: var(--primary);

  margin-bottom: 8px;

}



.step-card p {

  font-size: 0.8125rem;

  color: var(--text-muted);

  line-height: 1.6;

}



/* V-model visual */

.vmodel-visual {

  margin: 64px auto 48px;

  max-width: 700px;

  text-align: center;

}



.vmodel-diagram {

  display: flex;

  flex-direction: column;

  align-items: center;

  gap: 0;

}



.v-left, .v-right {

  display: flex;

  justify-content: center;

  gap: 12px;

  flex-wrap: wrap;

}



.v-box {

  padding: 12px 20px;

  background: var(--primary);

  color: #fff;

  border-radius: 8px;

  font-size: 0.8125rem;

  font-weight: 500;

  min-width: 120px;

  text-align: center;

}



.v-box.test {

  background: var(--accent);

}



.v-connector {

  width: 2px;

  height: 40px;

  background: linear-gradient(to bottom, var(--primary), var(--accent));

  margin: 4px 0;

}



.v-arrow {

  font-size: 1.5rem;

  color: var(--text-muted);

  margin: 8px 0;

}



/* ===== Quality / Support ===== */

.feature-grid {

  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 24px;

}



.feature-item {

  padding: 36px 28px;

  background: #fff;

  border-radius: var(--radius-lg);

  border: 1px solid var(--border);

  transition: var(--transition);

}



.feature-item:hover {

  box-shadow: var(--shadow-lg);

}



.feature-item h3 {

  font-size: 1.0625rem;

  color: var(--primary);

  margin-bottom: 12px;

  display: flex;

  align-items: center;

  gap: 10px;

}



.feature-item h3::before {

  content: "";

  width: 4px;

  height: 20px;

  background: var(--accent);

  border-radius: 2px;

}



.feature-item p {

  font-size: 0.9375rem;

  color: var(--text-muted);

}



/* ===== Highlight Box ===== */

.highlight-box {

  max-width: 800px;

  margin: 48px auto 0;

  padding: 36px 40px;

  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(15, 43, 74, 0.04));

  border-left: 4px solid var(--accent);

  border-radius: 0 var(--radius) var(--radius) 0;

}



.highlight-box p {

  color: var(--text-muted);

  font-size: 1rem;

}



/* ===== Security List ===== */

.security-list {

  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 16px;

  max-width: 800px;

  margin: 0 auto;

}



.security-item {

  display: flex;

  align-items: center;

  gap: 14px;

  padding: 18px 24px;

  background: #fff;

  border-radius: var(--radius);

  border: 1px solid var(--border);

}



.security-item svg {

  flex-shrink: 0;

  width: 20px;

  height: 20px;

  color: var(--accent);

}



.security-item span {

  font-size: 0.9375rem;

  color: var(--text);

}



/* ===== Industries ===== */

.industries {

  display: flex;

  flex-wrap: wrap;

  justify-content: center;

  gap: 12px;

}



.industry-tag {

  padding: 14px 28px;

  background: #fff;

  border: 1px solid var(--border);

  border-radius: var(--radius);

  font-size: 0.9375rem;

  font-weight: 500;

  color: var(--primary);

  transition: var(--transition);

}



.industry-tag:hover {

  background: var(--primary);

  color: #fff;

  border-color: var(--primary);

}



/* ===== Portfolio ===== */

.portfolio-grid {

  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 24px;

}



.portfolio-card {

  background: #fff;

  border: 1px solid var(--border);

  border-radius: var(--radius-lg);

  overflow: hidden;

  transition: var(--transition);

}



.portfolio-card:hover {

  box-shadow: var(--shadow-lg);

  transform: translateY(-4px);

}



.portfolio-header {

  padding: 28px 28px 0;

}



.portfolio-badge {

  display: inline-block;

  padding: 4px 12px;

  background: rgba(37, 99, 235, 0.08);

  color: var(--accent);

  border-radius: 6px;

  font-size: 0.75rem;

  font-weight: 600;

  margin-bottom: 12px;

}



.portfolio-card h3 {

  font-size: 1.125rem;

  color: var(--primary);

  margin-bottom: 8px;

}



.portfolio-client {

  font-size: 0.8125rem;

  color: var(--text-muted);

  margin-bottom: 16px;

}



.portfolio-body {

  padding: 0 28px 28px;

}



.portfolio-body p {

  font-size: 0.9375rem;

  color: var(--text-muted);

  line-height: 1.7;

}



/* ===== CEO Section ===== */

.ceo-grid {

  display: grid;

  grid-template-columns: 320px 1fr;

  gap: 48px;

  align-items: start;

}



.ceo-photo {

  aspect-ratio: 3/4;

  background: linear-gradient(135deg, var(--primary), var(--primary-light));

  border-radius: var(--radius-lg);

  display: flex;

  flex-direction: column;

  align-items: center;

  justify-content: center;

  color: #fff;

  position: relative;

  overflow: hidden;

}



.ceo-photo::before {

  content: "";

  position: absolute;

  inset: 0;

  background:

    radial-gradient(circle at 30% 70%, rgba(255,255,255,0.08) 0%, transparent 60%);

}



.ceo-avatar {

  width: 100px;

  height: 100px;

  background: rgba(255, 255, 255, 0.15);

  border-radius: 50%;

  display: flex;

  align-items: center;

  justify-content: center;

  font-size: 2.5rem;

  margin-bottom: 16px;

  position: relative;

}



.ceo-photo h3 {

  font-size: 1.25rem;

  position: relative;

}



.ceo-photo p {

  font-size: 0.875rem;

  color: rgba(255, 255, 255, 0.7);

  position: relative;

}



.ceo-content h3 {

  font-size: 1.5rem;

  color: var(--primary);

  margin-bottom: 20px;

}



.ceo-content > p {

  color: var(--text-muted);

  margin-bottom: 16px;

  font-size: 0.9375rem;

}



.ceo-tags {

  display: flex;

  flex-wrap: wrap;

  gap: 8px;

  margin-top: 24px;

}



.ceo-tag {

  padding: 6px 14px;

  background: var(--bg-alt);

  border: 1px solid var(--border);

  border-radius: 6px;

  font-size: 0.8125rem;

  color: var(--primary);

}



/* ===== Strengths ===== */

.strength-grid {

  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 24px;

}



.strength-item {

  padding: 40px 32px;

  background: #fff;

  border-radius: var(--radius-lg);

  border: 1px solid var(--border);

  text-align: center;

  transition: var(--transition);

}



.strength-item:hover {

  box-shadow: var(--shadow-lg);

  border-color: var(--accent);

}



.strength-icon {

  width: 56px;

  height: 56px;

  background: rgba(37, 99, 235, 0.08);

  border-radius: 16px;

  display: flex;

  align-items: center;

  justify-content: center;

  margin: 0 auto 20px;

  color: var(--accent);

}



.strength-icon svg {

  width: 28px;

  height: 28px;

}



.strength-item h3 {

  font-size: 1.0625rem;

  color: var(--primary);

  margin-bottom: 12px;

}



.strength-item p {

  font-size: 0.875rem;

  color: var(--text-muted);

}



/* ===== Company Table ===== */

.company-table-wrap {

  max-width: 800px;

  margin: 0 auto;

  background: #fff;

  border-radius: var(--radius-lg);

  border: 1px solid var(--border);

  overflow: hidden;

  box-shadow: var(--shadow);

}



.company-table {

  width: 100%;

  border-collapse: collapse;

}



.company-table tr {

  border-bottom: 1px solid var(--border);

}



.company-table tr:last-child {

  border-bottom: none;

}



.company-table th,

.company-table td {

  padding: 18px 28px;

  text-align: left;

  font-size: 0.9375rem;

}



.company-table th {

  width: 180px;

  background: var(--bg-alt);

  color: var(--primary);

  font-weight: 600;

  white-space: nowrap;

}



.company-table td {

  color: var(--text-muted);

}



/* ===== Contact ===== */

.contact-section {

  text-align: center;

}



.contact-box {

  max-width: 560px;

  margin: 0 auto;

  padding: 48px;

  background: linear-gradient(135deg, var(--primary), var(--primary-light));

  border-radius: var(--radius-lg);

  color: #fff;

}



.contact-box p {

  color: rgba(255, 255, 255, 0.8);

  margin-bottom: 28px;

  font-size: 1rem;

}



.contact-email {

  display: inline-flex;

  align-items: center;

  gap: 12px;

  padding: 16px 32px;

  background: rgba(255, 255, 255, 0.12);

  border: 1px solid rgba(255, 255, 255, 0.2);

  border-radius: 12px;

  color: #fff;

  font-size: 1.0625rem;

  font-weight: 500;

  transition: var(--transition);

}



.contact-email:hover {

  background: rgba(255, 255, 255, 0.2);

  transform: translateY(-2px);

}



.contact-email svg {

  width: 22px;

  height: 22px;

}



/* ===== Footer ===== */

.footer {

  background: var(--bg-dark);

  color: rgba(255, 255, 255, 0.5);

  padding: 40px 0;

  text-align: center;

  font-size: 0.875rem;

}



.footer-logo {

  color: #fff;

  font-weight: 700;

  font-size: 1.125rem;

  margin-bottom: 8px;

  font-family: "Noto Sans SC", "Noto Sans JP", "Microsoft YaHei", sans-serif;

}



/* ===== Animations ===== */

.fade-in {

  opacity: 0;

  transform: translateY(24px);

  transition: opacity 0.6s ease, transform 0.6s ease;

}



.fade-in.visible {

  opacity: 1;

  transform: translateY(0);

}



/* ===== Responsive ===== */

@media (max-width: 1024px) {

  .cards-grid { grid-template-columns: repeat(2, 1fr); }

  .tech-grid { grid-template-columns: repeat(2, 1fr); }

  .steps-grid { grid-template-columns: repeat(2, 1fr); }

  .process-flow { grid-template-columns: repeat(2, 1fr); }

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

  .ceo-photo { max-width: 320px; margin: 0 auto; }

}



@media (max-width: 768px) {

  .section { padding: 72px 0; }



  .nav-list {

    display: none;

    position: absolute;

    top: var(--header-h);

    left: 0;

    right: 0;

    background: #fff;

    flex-direction: column;

    padding: 16px;

    border-bottom: 1px solid var(--border);

    box-shadow: var(--shadow);

  }



  .nav-list.open { display: flex; }



  .nav-list a {

    width: 100%;

    padding: 12px 16px;

  }



  .menu-toggle { display: flex; }



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

  .about-stats { grid-template-columns: 1fr; }

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

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

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

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

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

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

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

  .security-list { grid-template-columns: 1fr; }

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

  .process-flow { grid-template-columns: 1fr; }



  .company-table th {

    width: 120px;

    padding: 14px 16px;

    font-size: 0.8125rem;

  }



  .company-table td {

    padding: 14px 16px;

    font-size: 0.8125rem;

  }



  .hero-scroll { display: none; }

}