/* ============================================
   NEXT PAINT - Tech Dark Theme
   ============================================ */

:root {
  --charcoal: #1A1A2E;
  --charcoal-light: #22223A;
  --charcoal-mid: #2A2A45;
  --cyan: #00BCD4;
  --cyan-dark: #009AAD;
  --cyan-glow: rgba(0, 188, 212, 0.15);
  --cyan-glow2: rgba(0, 188, 212, 0.08);
  --white: #FFFFFF;
  --gray-100: #F0F0F5;
  --gray-200: #E0E0E8;
  --gray-300: #B0B0C0;
  --gray-400: #8888A0;
  --gray-500: #606078;
  --text-on-dark: #E8E8F0;
  --text-muted: #A0A0B8;
  --red: #ff4444;
  --font-en: 'Space Grotesk', monospace, sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;
  --header-h: 72px;
  --banner-h: 36px;
  --radius: 8px;
  --radius-lg: 16px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--banner-h) + 16px);
}

body {
  font-family: var(--font-jp);
  background: var(--charcoal);
  color: var(--text-on-dark);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* Banner */
.sample-banner {
  background: var(--cyan);
  color: var(--charcoal);
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  height: var(--banner-h);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Header */
.header {
  position: fixed;
  top: var(--banner-h);
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(26, 26, 46, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 188, 212, 0.1);
  z-index: 1000;
  transition: background 0.3s;
}

.header.scrolled {
  background: rgba(26, 26, 46, 0.98);
  border-bottom-color: rgba(0, 188, 212, 0.2);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text { display: flex; flex-direction: column; line-height: 1.2; }

.logo-en {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--white);
}

.logo-jp {
  font-size: 10px;
  color: var(--cyan);
  letter-spacing: 0.2em;
}

.nav-desktop { display: flex; align-items: center; gap: 28px; }

.nav-desktop a {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-300);
  letter-spacing: 0.05em;
  transition: color 0.3s;
  position: relative;
}

.nav-desktop a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width 0.3s;
}

.nav-desktop a:not(.nav-cta):hover { color: var(--white); }
.nav-desktop a:not(.nav-cta):hover::after { width: 100%; }

.nav-cta {
  background: var(--cyan);
  color: var(--charcoal) !important;
  padding: 8px 20px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 13px;
  transition: background 0.3s, transform 0.2s;
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1002;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
  display: block;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--charcoal-light);
  z-index: 999;
  padding: calc(var(--banner-h) + var(--header-h) + 32px) 32px 32px;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 1px solid rgba(0, 188, 212, 0.15);
}

.mobile-nav.active { right: 0; }

.mobile-nav nav { display: flex; flex-direction: column; gap: 4px; }

.mobile-nav a {
  display: block;
  padding: 14px 0;
  font-size: 15px;
  color: var(--gray-300);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color 0.3s, padding-left 0.3s;
}

.mobile-nav a:hover { color: var(--cyan); padding-left: 8px; }

.mobile-cta {
  margin-top: 16px;
  background: var(--cyan);
  color: var(--charcoal) !important;
  text-align: center;
  padding: 14px !important;
  border-radius: 8px;
  font-weight: 700;
  border-bottom: none !important;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: calc(var(--banner-h) + var(--header-h));
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.25) saturate(0.6);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,0.95) 0%, rgba(26,26,46,0.6) 50%, rgba(0,188,212,0.08) 100%);
  z-index: 1;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,188,212,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,188,212,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1160px;
  margin: 0 auto;
  padding: 60px 24px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 24px;
  padding: 6px 16px;
  border: 1px solid rgba(0,188,212,0.3);
  border-radius: 30px;
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

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

.hero-sub {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 540px;
  line-height: 1.9;
}

.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--cyan);
  color: var(--charcoal);
  font-weight: 700;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s, box-shadow 0.3s;
}

.btn-primary:hover {
  background: var(--cyan-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,188,212,0.25);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--cyan);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: 8px;
  border: 1px solid rgba(0,188,212,0.4);
  transition: background 0.3s, border-color 0.3s;
}

.btn-ghost:hover {
  background: rgba(0,188,212,0.08);
  border-color: var(--cyan);
}

.hero-stats {
  display: flex;
  gap: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(0,188,212,0.15);
}

.hero-stat { display: flex; flex-direction: column; }

.hero-stat-num {
  font-family: var(--font-en);
  font-size: 42px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.hero-stat-unit {
  font-size: 16px;
  color: var(--cyan);
  margin-left: 2px;
}

.hero-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.05em;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  right: 48px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-scroll span {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--gray-400);
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* Section Common */
.section { padding: 100px 0; }

.section-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--cyan);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.4;
  color: var(--white);
  margin-bottom: 16px;
}

.accent { color: var(--cyan); }

.section-sub {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.section-header { text-align: center; margin-bottom: 56px; }

/* About */
.about { background: var(--charcoal); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-visual { display: flex; justify-content: center; }

.tech-circle { animation: techRotate 30s linear infinite; }

@keyframes techRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.about-text .section-tag { text-align: left; }
.about-text .section-title { text-align: left; }

.about-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.9;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--charcoal-light);
  border-radius: var(--radius);
  border: 1px solid rgba(0,188,212,0.1);
}

.af-icon { flex-shrink: 0; margin-top: 2px; }

.about-feature strong {
  display: block;
  font-size: 14px;
  color: var(--white);
  margin-bottom: 2px;
}

.about-feature span {
  font-size: 13px;
  color: var(--text-muted);
}

/* Drone Section */
.drone {
  background: var(--charcoal-light);
}

.drone-flow {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 20px;
  margin-bottom: 56px;
}

.drone-step {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 32px 20px;
  background: var(--charcoal);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,188,212,0.1);
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
}

.drone-step:hover {
  border-color: rgba(0,188,212,0.3);
  transform: translateY(-4px);
}

.drone-step-num {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.drone-step-icon { margin: 0 auto 16px; }

.drone-step h3 {
  font-size: 17px;
  color: var(--white);
  margin-bottom: 10px;
  font-weight: 700;
}

.drone-step p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

.drone-arrow {
  display: flex;
  align-items: center;
  padding-top: 80px;
}

.drone-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 400px;
}

.drone-visual img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  filter: brightness(0.6) saturate(0.7);
}

.drone-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,26,46,0.7), rgba(0,188,212,0.08));
}

.scan-ui {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.scan-crosshair {
  width: 80px;
  height: 80px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  margin: 0 auto 12px;
  position: relative;
  animation: scanPulse 2s infinite;
}

.scan-crosshair::before,
.scan-crosshair::after {
  content: '';
  position: absolute;
  background: var(--cyan);
}

.scan-crosshair::before {
  width: 1px;
  height: 20px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.scan-crosshair::after {
  width: 20px;
  height: 1px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@keyframes scanPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,188,212,0.4); }
  50% { box-shadow: 0 0 0 20px rgba(0,188,212,0); }
}

.scan-label {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cyan);
  display: block;
  margin-bottom: 12px;
}

.scan-data {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.scan-data span {
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--cyan);
  opacity: 0.7;
  letter-spacing: 0.1em;
}

/* Services */
.service { background: var(--charcoal); }

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

.service-card {
  padding: 36px 24px;
  background: var(--charcoal-light);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,188,212,0.08);
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover {
  border-color: rgba(0,188,212,0.25);
  transform: translateY(-4px);
}

.service-card:hover::before { opacity: 1; }

.sc-icon { margin: 0 auto 20px; }

.service-card h3 {
  font-size: 17px;
  color: var(--white);
  margin-bottom: 12px;
  font-weight: 700;
}

.service-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.sc-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--cyan);
  padding: 4px 12px;
  border: 1px solid rgba(0,188,212,0.3);
  border-radius: 20px;
}

/* Comparison */
.comparison { background: var(--charcoal-light); }

.comp-table {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0,188,212,0.15);
}

.comp-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  background: var(--charcoal);
}

.comp-header .comp-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-400);
  padding: 16px 20px;
}

.comp-header .comp-old {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-400);
  padding: 16px 20px;
  text-align: center;
  border-left: 1px solid rgba(255,255,255,0.05);
}

.comp-header .comp-new {
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
  padding: 16px 20px;
  text-align: center;
  background: rgba(0,188,212,0.05);
  border-left: 1px solid rgba(0,188,212,0.1);
}

.comp-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.comp-row .comp-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  padding: 20px;
  display: flex;
  align-items: center;
}

.comp-row .comp-old {
  font-size: 13px;
  color: var(--text-muted);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  border-left: 1px solid rgba(255,255,255,0.05);
  line-height: 1.7;
}

.comp-row .comp-new {
  font-size: 13px;
  color: var(--text-on-dark);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: rgba(0,188,212,0.03);
  border-left: 1px solid rgba(0,188,212,0.1);
  line-height: 1.7;
}

.comp-x, .comp-check { flex-shrink: 0; margin-top: 3px; }

/* Works */
.works { background: var(--charcoal); }

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

.work-card {
  background: var(--charcoal-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0,188,212,0.08);
  transition: border-color 0.3s, transform 0.3s;
}

.work-card:hover {
  border-color: rgba(0,188,212,0.2);
  transform: translateY(-4px);
}

.work-img {
  position: relative;
  overflow: hidden;
  height: 220px;
}

.work-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
  filter: brightness(0.8);
}

.work-card:hover .work-img img { transform: scale(1.05); }

.work-tag-overlay {
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--cyan);
  background: rgba(26,26,46,0.85);
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid rgba(0,188,212,0.3);
}

.work-info { padding: 24px; }

.work-cat {
  font-size: 11px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: block;
}

.work-info h3 {
  font-size: 17px;
  color: var(--white);
  margin-bottom: 10px;
  font-weight: 700;
}

.work-info p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 14px;
}

.work-meta {
  display: flex;
  gap: 16px;
}

.work-meta span {
  font-size: 12px;
  color: var(--gray-400);
  font-family: var(--font-en);
  letter-spacing: 0.02em;
}

/* Flow */
.flow { background: var(--charcoal-light); }

.flow-timeline {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.flow-timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan), rgba(0,188,212,0.1));
}

.flow-step {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  margin-bottom: 40px;
  position: relative;
}

.flow-step:last-child { margin-bottom: 0; }

.flow-num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--charcoal);
  border: 2px solid var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
  position: relative;
  z-index: 1;
}

.flow-content {
  padding: 24px;
  background: var(--charcoal);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,188,212,0.1);
  flex: 1;
  transition: border-color 0.3s;
}

.flow-content:hover { border-color: rgba(0,188,212,0.25); }

.flow-ai-badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--cyan);
  background: rgba(0,188,212,0.1);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.flow-content h3 {
  font-size: 17px;
  color: var(--white);
  margin-bottom: 8px;
  font-weight: 700;
}

.flow-content p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* Company */
.company { background: var(--charcoal); }

.company-table {
  max-width: 800px;
  margin: 0 auto;
}

.company-table table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid rgba(0,188,212,0.08);
  font-size: 14px;
}

.company-table th {
  width: 180px;
  color: var(--cyan);
  font-weight: 600;
  font-size: 13px;
  vertical-align: top;
}

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

/* Contact */
.contact {
  background: var(--charcoal-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: start;
}

.contact-info-box {
  padding: 36px;
  background: var(--charcoal);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,188,212,0.15);
}

.contact-phone { margin-bottom: 28px; }

.contact-phone-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.contact-phone-num {
  display: block;
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  transition: color 0.3s;
}

.contact-phone-num:hover { color: var(--white); }

.contact-phone-hours {
  font-size: 12px;
  color: var(--gray-400);
}

.contact-features { display: flex; flex-direction: column; gap: 12px; }

.cf-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-on-dark);
}

.contact-form {
  padding: 36px;
  background: var(--charcoal);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,188,212,0.1);
}

.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(--gray-300);
  margin-bottom: 6px;
}

.req {
  font-size: 10px;
  color: var(--cyan);
  background: rgba(0,188,212,0.1);
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--charcoal-light);
  border: 1px solid rgba(0,188,212,0.15);
  border-radius: var(--radius);
  color: var(--white);
  font-size: 14px;
  font-family: var(--font-jp);
  transition: border-color 0.3s;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-500);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
}

.form-group select { cursor: pointer; }

.form-group textarea { resize: vertical; }

.btn-full { width: 100%; justify-content: center; font-size: 16px; padding: 16px; }

/* Footer */
.footer {
  background: #12121E;
  padding: 48px 0 24px;
  border-top: 1px solid rgba(0,188,212,0.08);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}

.footer-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.7;
}

.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 13px;
  color: var(--gray-400);
  transition: color 0.3s;
}

.footer-nav a:hover { color: var(--cyan); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 12px;
  color: var(--gray-500);
}

.footer-credit a {
  color: var(--cyan);
  transition: opacity 0.3s;
}

.footer-credit a:hover { opacity: 0.7; }

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { order: -1; }
}

@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .hamburger { display: flex; }

  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat-num { font-size: 32px; }
  .hero-scroll { display: none; }

  .drone-flow { flex-direction: column; align-items: center; }
  .drone-arrow { transform: rotate(90deg); padding-top: 0; }

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

  .comp-table { font-size: 12px; }
  .comp-header, .comp-row { grid-template-columns: 0.8fr 1fr 1fr; }
  .comp-row .comp-label,
  .comp-row .comp-old,
  .comp-row .comp-new { padding: 14px 12px; }

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

  .footer-top { flex-direction: column; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }

  .flow-timeline::before { left: 24px; }
  .flow-num { width: 48px; height: 48px; font-size: 14px; }

  .company-table th { width: 120px; }
}

@media (max-width: 480px) {
  .service-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 30px; }
  .section { padding: 72px 0; }
  .comp-header, .comp-row { grid-template-columns: 1fr; }
  .comp-header .comp-label { display: none; }
  .comp-row .comp-label {
    background: var(--charcoal);
    border-bottom: none;
    padding-bottom: 4px;
  }
  .comp-row .comp-old { border-left: none; }
  .comp-row .comp-new { border-left: none; }
  .comp-row { border-top: 1px solid rgba(255,255,255,0.04); }
}