/* ============================================================
   CSS Variables — LP専用（本体サイトとは独立）
   ============================================================ */
:root {
  --primary-color: #00a8e8;
  --secondary-color: #6c22ff;
  --bg-color: #ffffff;
  --bg-secondary: #5760d1;
  --bg-surface: #ffffff;
  --bg-surface-hover: rgba(0, 168, 232, 0.05);
  --text-color: #111827;
  --text-muted: rgba(17, 24, 39, 0.62);
  --text-dim: rgba(17, 24, 39, 0.4);
  --border-color: rgba(0, 168, 232, 0.22);
  --border-subtle: rgba(0, 0, 0, 0.08);
  --gradient-accent: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  --gradient-hero: linear-gradient(150deg, #ffffff 0%, #f2f8ff 50%, #eaf3ff 100%);
  --glow-sm: 0 0 14px rgba(0, 168, 232, 0.3);
  --glow-md: 0 0 28px rgba(0, 168, 232, 0.4), 0 0 56px rgba(0, 168, 232, 0.12);
  --glow-lg: 0 0 36px rgba(0, 168, 232, 0.5), 0 0 72px rgba(0, 168, 232, 0.2), 0 0 100px rgba(108, 34, 255, 0.12);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.07), 0 0 0 1px var(--border-subtle);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --container: 960px;
  --section-gap: 120px;
}

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

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

body {
  font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* ============================================================
   Keyframe Animations
   ============================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes glowPulse {
  0%, 100% {
    box-shadow: var(--glow-sm);
  }
  50% {
    box-shadow: var(--glow-md);
  }
}

@keyframes textGradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes borderBeam {
  0%   { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

@keyframes scanLine {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes buttonShine {
  0%   { left: -100%; }
  60%  { left: 100%; }
  100% { left: 100%; }
}

/* ============================================================
   Utility
   ============================================================ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.gradient-text {
  background: var(--gradient-accent);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: textGradientShift 4s ease infinite;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: rgba(0, 200, 255, 0.1);
  border: 1px solid rgba(0, 200, 255, 0.3);
  color: var(--primary-color);
}

.tag::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-color);
  animation: glowPulse 2s ease-in-out infinite;
}

/* ============================================================
   Header
   ============================================================ */
.lp-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 0 28px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 1px 16px rgba(0, 0, 0, 0.06);
}

.lp-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: var(--container);
  margin: 0 auto;
}

.lp-logo {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lp-header-cta {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.lp-header-cta:hover {
  background: var(--primary-color);
  color: var(--bg-color);
  box-shadow: var(--glow-sm);
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

/* Subtle dot grid background */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(0, 140, 210, 0.12) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(ellipse 80% 90% at center, black 0%, transparent 75%);
}

/* Soft color blobs */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 65% at 10% 65%, rgba(0, 168, 232, 0.09) 0%, transparent 70%),
    radial-gradient(ellipse 45% 55% at 88% 18%, rgba(108, 34, 255, 0.07) 0%, transparent 70%),
    radial-gradient(ellipse 35% 45% at 60% 85%, rgba(0, 168, 232, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

/* Scan line effect */
.hero-scanline {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 168, 232, 0.25), transparent);
  animation: scanLine 10s linear infinite;
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 120px 28px 80px;
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
      background-image: url(../images/as45763040.png);
}

.hero-tag {
  animation: fadeInUp 0.6s ease both;
  margin-bottom: 36px;
}

.hero-title {
  font-size: clamp(52px, 9vw, 96px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 32px;
}

.hero-title .line-1 {
  display: block;
  color: var(--text-color);
  animation: fadeInUp 0.7s ease 0.15s both;
}

.hero-title .line-2 {
  display: block;
  background: var(--gradient-accent);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.7s ease 0.3s both, textGradientShift 4s ease 1s infinite;
}

.hero-title .line-3 {
  display: block;
  color: var(--text-color);
  animation: fadeInUp 0.7s ease 0.45s both;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.85;
  margin-bottom: 12px;
  animation: fadeInUp 0.7s ease 0.6s both;
}

.hero-lead {
  font-size: 14px;
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 52px;
  animation: fadeInUp 0.7s ease 0.75s both;
}

.hero-cta-wrap {
  animation: fadeInUp 0.7s ease 0.9s both;
}

.hero-cta-note {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

/* ============================================================
   CTA Button — メイン（光るエフェクト付き）
   ============================================================ */
.btn-entry {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 20px 52px;
  border-radius: var(--radius-sm);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: #ffffff;
  background: linear-gradient(90deg, var(--primary-color), #38d4ff, var(--primary-color));
  background-size: 200% auto;
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.25s ease,
              background-position 0.4s ease;
  box-shadow:
    0 4px 24px rgba(0, 200, 255, 0.35),
    0 0 0 1px rgba(0, 200, 255, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  text-decoration: none;
}

/* Shine overlay */
.btn-entry::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.35),
    transparent
  );
  transform: skewX(-20deg);
  transition: none;
}

.btn-entry:hover::before {
  animation: buttonShine 0.7s ease forwards;
}

.btn-entry:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow:
    0 8px 40px rgba(0, 200, 255, 0.65),
    0 0 60px rgba(0, 200, 255, 0.3),
    0 0 100px rgba(123, 47, 255, 0.2),
    0 0 0 1px rgba(0, 200, 255, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  background-position: right center;
}

.btn-entry:active {
  transform: translateY(-2px) scale(1.01);
}

.btn-entry-arrow {
  font-size: 20px;
  transition: transform 0.25s ease;
}

.btn-entry:hover .btn-entry-arrow {
  transform: translateX(6px);
}

/* Secondary outline button */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 18px 36px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--primary-color);
  background: transparent;
  border: 1px solid rgba(0, 168, 232, 0.4);
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  text-decoration: none;
}

.btn-secondary:hover {
  background: rgba(0, 168, 232, 0.07);
  border-color: var(--primary-color);
  box-shadow: var(--glow-sm);
  transform: translateY(-2px);
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ============================================================
   Section Common
   ============================================================ */
.section {
  padding: var(--section-gap) 0;
  position: relative;
}

.section-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.section-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary-color);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text-color);
  margin-bottom: 20px;
}

.section-lead {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.85;
}

.section-header {
  margin-bottom: 64px;
}

/* Divider */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: 0;
}

/* ============================================================
   Message Section（課題提起・共感）
   ============================================================ */
.message-section {
  background: var(--bg-secondary);
}

.message-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 60% at 90% 50%, rgba(108, 34, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.message-lead {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: -0.02em;
  color: var(--text-color);
  margin-bottom: 52px;
  max-width: 700px;
}

.pain-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 64px;
  max-width: 680px;
}

.pain-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.2s, border-color 0.2s;
}

.pain-item:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-color);
}

.pain-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--primary-color);
  opacity: 0.7;
}

.pain-text {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

.message-closing {
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--text-color);
  border-left: 3px solid var(--primary-color);
  padding-left: 24px;
  box-shadow: -8px 0 20px rgba(0, 200, 255, 0.1);
}

/* ============================================================
   Why Us Section
   ============================================================ */
.whyus-section {
  background: var(--bg-color);
}

.whyus-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 120, 200, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 120, 200, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.why-card {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.why-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1), 0 0 0 1px var(--border-color), var(--glow-sm);
  border-color: var(--border-color);
}

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

.why-card-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.why-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  color: var(--primary-color);
  filter: drop-shadow(0 0 6px rgba(0, 168, 232, 0.35));
}

.why-card-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-color);
  margin-bottom: 16px;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.why-card-body {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 24px;
}

.why-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.why-tech-tag {
  padding: 4px 12px;
  background: rgba(0, 200, 255, 0.08);
  border: 1px solid rgba(0, 200, 255, 0.2);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--primary-color);
}

/* ============================================================
   Requirements Section
   ============================================================ */
.requirements-section {
  background: var(--bg-secondary);
  position: relative;
}

.requirements-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent, var(--bg-color));
  pointer-events: none;
}

.req-table-wrap {
  overflow-x: auto;
  position: relative;
  z-index: 1;
}

.req-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.req-table th,
.req-table td {
  padding: 20px 28px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
}

.req-table th {
  width: 200px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--primary-color);
  background: rgba(0, 200, 255, 0.04);
  white-space: nowrap;
}

.req-table td {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
}

.req-table tr:last-child th,
.req-table tr:last-child td {
  border-bottom: none;
}

.req-table tr.highlight-row {
  background: rgba(0, 200, 255, 0.05);
}

.req-table tr.highlight-row th {
  background: rgba(0, 200, 255, 0.1);
}

.req-table tr.highlight-row td {
  color: var(--text-color);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.01em;
}

.req-table tr.highlight-row td .salary-note {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-dim);
  margin-top: 4px;
  letter-spacing: 0.02em;
}

.req-table tr:hover td {
  background: rgba(0, 0, 0, 0.015);
}

/* ============================================================
   Final CTA Section
   ============================================================ */
.final-cta {
  padding: 160px 0;
  position: relative;
  overflow: hidden;
  background: var(--bg-color);
  text-align: center;
}

.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(0, 200, 255, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 20% 0%, rgba(123, 47, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 80% 0%, rgba(0, 200, 255, 0.06) 0%, transparent 60%);
}

.final-cta-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 28px;
}

.final-cta-tag {
  margin-bottom: 32px;
}

.final-cta-title {
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text-color);
  margin-bottom: 24px;
}

.final-cta-title span {
  background: var(--gradient-accent);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: textGradientShift 4s ease infinite;
}

.final-cta-sub {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 52px;
}

.final-cta-note {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.final-cta-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

/* ============================================================
   Footer
   ============================================================ */
.lp-footer {
  padding: 40px 28px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

.lp-footer-logo {
  font-size: 16px;
  font-weight: 900;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.lp-footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.lp-footer-links a {
  font-size: 12px;
  color: var(--text-dim);
  transition: color 0.2s;
}

.lp-footer-links a:hover {
  color: var(--primary-color);
}

.lp-footer-copy {
  font-size: 12px;
  color: var(--text-dim);
}

/* ============================================================
   Responsive — 768px
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --section-gap: 80px;
  }

  .lp-header-inner {
    height: 56px;
  }

  /* Hero */
  .hero-content {
    padding: 100px 24px 64px;
  }

  .hero-title {
    letter-spacing: -0.03em;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-entry {
    width: 100%;
    justify-content: center;
    padding: 18px 32px;
    font-size: 15px;
  }

  .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  /* Why Us Grid */
  .why-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .why-card {
    padding: 32px 24px;
  }

  /* Requirements table */
  .req-table th {
    width: 120px;
    font-size: 11px;
    padding: 16px 16px;
  }

  .req-table td {
    font-size: 14px;
    padding: 16px 16px;
  }

  .req-table tr.highlight-row td {
    font-size: 20px;
  }

  /* Final CTA */
  .final-cta {
    padding: 100px 0;
  }

  .final-cta-buttons {
    align-items: stretch;
  }

  .final-cta-buttons .btn-entry {
    width: 100%;
    justify-content: center;
  }

  /* Pain list */
  .pain-item {
    padding: 16px 20px;
  }
}