/* ==========================================================
   道テック株式会社 - Design System
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;600;700;900&family=Oswald:wght@400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-primary: #1a3a5c;       /* Deep navy blue */
  --color-primary-light: #2a5a8e;
  --color-accent: #e8820c;        /* Construction orange */
  --color-accent-dark: #c46b09;
  --color-accent-light: #f9a23d;
  --color-dark: #0d1a2b;
  --color-dark-2: #151f2e;
  --color-text: #1a1a2e;
  --color-text-muted: #6b7a8d;
  --color-text-light: #a8b4c0;
  --color-bg: #f5f6f8;
  --color-bg-white: #ffffff;
  --color-bg-section: #edf1f5;
  --color-border: #d4d9e0;
  --color-success: #2e7d32;

  /* Typography */
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-display: 'Oswald', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.18);
  --shadow-accent: 0 4px 20px rgba(232,130,12,0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-mid: 300ms ease;
  --transition-slow: 500ms ease;

  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg-white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5 { line-height: 1.25; font-weight: 700; }

.en-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  color: var(--color-primary);
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-title.center { text-align: center; }
.section-title.center::after { left: 50%; transform: translateX(-50%); }

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
  max-width: 600px;
}

/* --- Layout --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--space-3xl) 0;
}

.section-light { background: var(--color-bg-white); }
.section-gray { background: var(--color-bg-section); }
.section-dark {
  background: var(--color-dark);
  color: white;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background var(--transition-mid), box-shadow var(--transition-mid);
}

.site-header.transparent {
  background: transparent;
}

.site-header.scrolled {
  background: rgba(13, 26, 43, 0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-logo {
  display: flex;
  flex-direction: column;
  color: white;
  gap: 1px;
}

.site-logo .logo-jp {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
}

.site-logo .logo-en {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--color-accent-light);
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  letter-spacing: 0.02em;
}

.nav-link:hover {
  color: white;
  background: rgba(255,255,255,0.1);
}

.nav-cta {
  background: var(--color-accent);
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.04em;
  margin-left: 0.5rem;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-cta:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

/* hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: transform var(--transition-mid), opacity var(--transition-mid);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Mobile Nav --- */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--color-dark-2);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 8rem 2.5rem;
  transform: translateX(100%);
  transition: transform var(--transition-mid);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav-link {
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-accent-light);
}

.mobile-nav-cta {
  margin-top: 2.5rem;
  background: var(--color-accent);
  color: white;
  text-align: center;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1.1rem;
}

/* --- Hero --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero.png');
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: heroZoom 8s ease-in-out forwards;
}

@keyframes heroZoom {
  0% { transform: scale(1.1); }
  100% { transform: scale(1.0); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 26, 43, 0.88) 0%,
    rgba(26, 58, 92, 0.70) 50%,
    rgba(13, 26, 43, 0.50) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
  padding-top: var(--header-height);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(232, 130, 12, 0.15);
  border: 1px solid rgba(232, 130, 12, 0.4);
  color: var(--color-accent-light);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  padding: 0.35rem 0.85rem;
  border-radius: 40px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-tag::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: white;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-title .accent { color: var(--color-accent-light); }

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.75);
  max-width: 480px;
  margin-bottom: 2.5rem;
  line-height: 1.9;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-stats {
  position: absolute;
  bottom: 3rem;
  right: 1.5rem;
  display: flex;
  gap: 2rem;
  animation: fadeInUp 0.8s ease 1s both;
}

.hero-stat {
  text-align: center;
  color: white;
}

.hero-stat .num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent-light);
  line-height: 1;
}

.hero-stat .label {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.5);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: fadeIn 1s ease 1.5s both;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.3);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); opacity: 0.3; }
  50% { transform: scaleY(0.5); opacity: 0.7; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  letter-spacing: 0.04em;
  text-decoration: none;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--color-accent);
  color: white;
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  box-shadow: 0 6px 28px rgba(232,130,12,0.42);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
  border-color: white;
  background: rgba(255,255,255,0.08);
}

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

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

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-border);
}

.btn-ghost:hover {
  border-color: var(--color-primary);
  background: rgba(26,58,92,0.05);
}

.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* --- Reasons / Strengths --- */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.reason-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-mid), box-shadow var(--transition-mid);
}

.reason-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
}

.reason-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.reason-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(26, 58, 92, 0.08);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  line-height: 1;
}

.reason-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.reason-icon svg { width: 26px; height: 26px; color: white; }

.reason-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.65rem;
}

.reason-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* --- Services --- */
.services-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 2.5rem 0 2rem;
}

.tab-btn {
  background: var(--color-bg-section);
  border: 2px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 40px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.tab-btn:hover, .tab-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.tab-content { display: none; }
.tab-content.active { display: grid; }

.service-detail {
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.service-detail-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--color-bg-section);
}

.service-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-tag {
  display: inline-block;
  background: rgba(232,130,12,0.12);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.3rem 0.75rem;
  border-radius: 40px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.service-title {
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.service-desc {
  color: var(--color-text-muted);
  line-height: 1.85;
  margin-bottom: 1.5rem;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.service-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--color-text);
}

.service-feature::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  margin-top: 0.5rem;
}

/* --- Works Grid --- */
.works-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 2.5rem 0 2rem;
}

.filter-btn {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 40px;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.work-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: pointer;
}

.work-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.work-card:hover img { transform: scale(1.07); }

.work-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,26,43,0.9) 0%, transparent 50%);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  transition: opacity var(--transition-mid);
}

.work-card:hover .work-card-overlay { opacity: 1; }

.work-tag {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.6rem;
  border-radius: 3px;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.work-title {
  color: white;
  font-size: 1rem;
  font-weight: 700;
}

.work-meta {
  color: rgba(255,255,255,0.7);
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

/* Large featured works */
.works-grid .work-card:nth-child(1) {
  grid-column: span 2;
  grid-row: span 1;
}

/* --- Safety --- */
.safety-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.safety-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: background var(--transition-mid);
}

.safety-card:hover { background: rgba(255,255,255,0.08); }

.safety-icon {
  width: 56px;
  height: 56px;
  background: rgba(232,130,12,0.15);
  border: 1px solid rgba(232,130,12,0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.safety-icon svg { width: 28px; height: 28px; color: var(--color-accent-light); }

.safety-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.6rem;
}

.safety-desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

/* --- Equipment --- */
.equipment-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}

.equipment-item {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: box-shadow var(--transition-mid), transform var(--transition-mid);
}

.equipment-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.equipment-icon-wrap {
  width: 52px;
  height: 52px;
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.equipment-icon-wrap svg { width: 24px; height: 24px; color: var(--color-primary); }

.equipment-name { font-weight: 700; font-size: 1rem; color: var(--color-primary); margin-bottom: 0.25rem; }
.equipment-model { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 0.5rem; }

.equipment-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.spec-badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  padding: 0.2rem 0.5rem;
  border-radius: 3px;
}

/* --- Recruit Highlight --- */
.recruit-section {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 100%);
  position: relative;
  overflow: hidden;
}

.recruit-section::before {
  content: 'RECRUIT';
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 12rem;
  font-weight: 700;
  color: rgba(255,255,255,0.025);
  letter-spacing: 0.05em;
  pointer-events: none;
}

.recruit-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.recruit-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  position: relative;
}

.recruit-image img { width: 100%; height: 100%; object-fit: cover; }

.recruit-badges {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.recruit-badge {
  background: var(--color-accent);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: 40px;
  letter-spacing: 0.06em;
  display: inline-block;
}

.recruit-content { color: white; }

.recruit-content .section-title { color: white; }
.recruit-content .section-title::after { background: var(--color-accent); }
.recruit-content .section-subtitle { color: rgba(255,255,255,0.65); }

.recruit-perks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 2rem 0;
}

.perk-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
}

.perk-check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: rgba(232,130,12,0.2);
  border: 1px solid rgba(232,130,12,0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

.perk-check svg { width: 11px; height: 11px; color: var(--color-accent-light); }

/* --- Interview Cards --- */
.interview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.interview-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-mid), transform var(--transition-mid);
}

.interview-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.interview-photo {
  height: 240px;
  background: var(--color-bg-section);
  position: relative;
  overflow: hidden;
}

.interview-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.interview-body { padding: 1.5rem; }

.interview-name-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.interview-name { font-size: 1.1rem; font-weight: 700; color: var(--color-primary); }
.interview-role { font-size: 0.78rem; color: var(--color-text-muted); }
.interview-years { font-size: 0.75rem; color: var(--color-accent); font-weight: 600; }

.interview-quote {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin: 0.75rem 0 1rem;
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
}

/* --- Numbers / Stats --- */
.stats-bar {
  background: var(--color-primary);
  padding: 3rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-item { text-align: center; color: white; }

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent-light);
  line-height: 1;
}

.stat-number span { font-size: 1.5rem; }
.stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.65); margin-top: 0.5rem; letter-spacing: 0.05em; }

/* --- Company Overview --- */
.company-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
}

.company-table th,
.company-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.company-table th {
  width: 180px;
  color: var(--color-text-muted);
  font-weight: 600;
  background: var(--color-bg-section);
  vertical-align: top;
}

.company-table td { color: var(--color-text); }

/* --- Qualifications --- */
.qual-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.qual-badge {
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.qual-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  margin-top: 3rem;
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: rgba(26,58,92,0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-icon svg { width: 20px; height: 20px; color: var(--color-primary); }
.contact-info-label { font-size: 0.78rem; color: var(--color-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; }
.contact-info-value { font-size: 1rem; font-weight: 700; color: var(--color-primary); }

.contact-types {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-type-btn {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  background: transparent;
  font-family: var(--font-sans);
}

.contact-type-btn:hover,
.contact-type-btn.active {
  border-color: var(--color-primary);
  background: rgba(26,58,92,0.05);
}

.contact-type-icon { font-size: 1.5rem; margin-bottom: 0.25rem; }
.contact-type-label { font-size: 0.85rem; font-weight: 700; color: var(--color-primary); }

.form-group { margin-bottom: 1.25rem; }

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.form-label .required {
  color: #c0392b;
  font-size: 0.7rem;
  margin-left: 0.25rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--color-bg-section);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(26,58,92,0.1);
}

.form-textarea { resize: vertical; min-height: 130px; }

/* --- Page Banner --- */
.page-banner {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 100%);
  padding: 6rem 0 3.5rem;
  position: relative;
  overflow: hidden;
}

.page-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/hero.png');
  background-size: cover;
  background-position: center;
  opacity: 0.06;
  pointer-events: none;
}

.page-banner-content { position: relative; z-index: 1; }

.page-banner .en-label { margin-bottom: 0.5rem; }
.page-banner-title { font-size: clamp(2rem, 4vw, 3rem); color: white; font-weight: 900; }
.page-banner-desc { color: rgba(255,255,255,0.65); margin-top: 0.75rem; font-size: 0.95rem; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-top: 1.5rem;
}

.breadcrumb a { color: rgba(255,255,255,0.5); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: rgba(255,255,255,0.85); }
.breadcrumb .sep { color: rgba(255,255,255,0.3); }

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  padding: 4rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.0) 0,
    rgba(255,255,255,0.0) 10px,
    rgba(255,255,255,0.03) 10px,
    rgba(255,255,255,0.03) 20px
  );
}

.cta-title { font-size: clamp(1.5rem, 3vw, 2.2rem); color: white; font-weight: 900; margin-bottom: 0.5rem; position: relative; }
.cta-subtitle { color: rgba(255,255,255,0.8); margin-bottom: 2rem; position: relative; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; }

/* --- Footer --- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.65);
}

.footer-main {
  padding: 4rem 0 2rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand .site-logo { margin-bottom: 1rem; }

.footer-brand-desc {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.8;
  margin-top: 0.75rem;
}

.footer-nav-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer-nav-list { display: flex; flex-direction: column; gap: 0.5rem; }

.footer-nav-link {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-fast);
}

.footer-nav-link:hover { color: white; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .service-detail { grid-template-columns: 1fr; }
  .recruit-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .works-grid .work-card:nth-child(1) { grid-column: span 1; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
}

@media (max-width: 768px) {
  :root { --space-3xl: 4rem; }
  .site-nav { display: none; }
  .hamburger { display: flex; }

  .hero-title { font-size: 2.2rem; }
  .hero-stats { display: none; }

  .works-grid { grid-template-columns: 1fr; }
  .works-grid .work-card:nth-child(1) { grid-column: span 1; }

  .footer-main { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }

  .company-table th { width: 130px; }

  .recruit-perks { grid-template-columns: 1fr; }
  .contact-types { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .interview-grid { grid-template-columns: 1fr; }
  .reason-card { padding: 1.5rem; }

  .page-banner { padding: 5rem 0 2.5rem; }
}

/* --- Utility --- */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.fw-bold { font-weight: 700; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }