/* ========================================
   LibeR株式会社 - メインスタイルシート
   ブランドカラー: #1a2a4a (ダークネイビー), #d4af37 (ゴールド)
   ======================================== */

/* ========== CSS変数 ========== */
:root {
  --navy: #1a2a4a;
  --navy-light: #243558;
  --navy-dark: #0f1a2e;
  --gold: #d4af37;
  --gold-light: #e8c84a;
  --gold-dark: #b8952a;
  --white: #ffffff;
  --off-white: #f8f7f4;
  --gray-light: #f0eff0;
  --gray: #8a8a9a;
  --text-dark: #1a1a2e;
  --text-mid: #4a4a6a;
  --text-light: #8a8aaa;
  --shadow-sm: 0 2px 12px rgba(26, 42, 74, 0.08);
  --shadow-md: 0 8px 32px rgba(26, 42, 74, 0.12);
  --shadow-lg: 0 16px 64px rgba(26, 42, 74, 0.16);
  --shadow-gold: 0 8px 32px rgba(212, 175, 55, 0.3);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 72px;
}

/* ========== リセット ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

ul {
  list-style: none;
}

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

/* ========== コンテナ ========== */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== セクション共通 ========== */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--off-white);
}

.section-dark {
  background: var(--navy);
  color: var(--white);
}

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

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
  position: relative;
  padding: 0 20px;
}

.section-label::before,
.section-label::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30px;
  height: 1px;
  background: var(--gold);
}

.section-label::before { right: 100%; margin-right: -20px; }
.section-label::after  { left:  100%; margin-left:  -20px; }

.section-label.light { color: var(--gold); }
.section-label.light::before,
.section-label.light::after { background: var(--gold); }

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--navy);
  margin-bottom: 16px;
}

.section-title.light {
  color: var(--white);
}

.section-desc {
  font-size: 16px;
  color: var(--text-mid);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.8;
}

.section-desc.light {
  color: rgba(255,255,255,0.7);
}

/* ========== ボタン ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 700;
  font-family: 'Noto Sans JP', sans-serif;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy-dark);
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy-dark);
  border-color: var(--gold);
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(212, 175, 55, 0.5);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-icon {
  font-size: 18px;
}

/* ========== アニメーション ========== */
.fade-up, .fade-left, .fade-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up    { transform: translateY(40px); }
.fade-left  { transform: translateX(-40px); }
.fade-right { transform: translateX(40px); }

.fade-up.visible,
.fade-left.visible,
.fade-right.visible {
  opacity: 1;
  transform: none;
}

/* ========== ヘッダー ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(26, 42, 74, 0.12);
}

.header-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.logo-text {
  font-size: 28px;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 0.05em;
  line-height: 1;
  text-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

.header.scrolled .logo-text {
  color: var(--navy);
  text-shadow: none;
}

.logo-sub {
  font-size: 11px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.1em;
}

.header.scrolled .logo-sub {
  color: var(--text-mid);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.85);
  border-radius: 6px;
  transition: var(--transition);
}

.header.scrolled .nav-link {
  color: var(--text-dark);
}

.nav-link:hover {
  color: var(--gold);
  background: rgba(212, 175, 55, 0.08);
}

.nav-link.nav-cta {
  background: var(--gold);
  color: var(--navy-dark) !important;
  padding: 8px 20px;
  border-radius: 50px;
  font-weight: 700;
}

.nav-link.nav-cta:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 32px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

.header.scrolled .hamburger span {
  background: var(--navy);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ========== ヒーロー ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-dark);
  overflow: hidden;
  padding: calc(var(--header-height) + 40px) 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(36, 53, 88, 0.9) 0%, transparent 60%),
    linear-gradient(135deg, #0a1628 0%, #1a2a4a 40%, #0d1f3c 100%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--gold);
  animation: float linear infinite;
}

@keyframes float {
  0%   { transform: translateY(0) rotate(0deg); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(-120vh) rotate(720deg); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(212, 175, 55, 0.1));
  border: 1px solid rgba(212, 175, 55, 0.4);
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.25em;
  padding: 6px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.3;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-title-accent {
  color: var(--gold);
  position: relative;
}

.hero-title-accent::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 2px;
}

.hero-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 40px;
  line-height: 1.9;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 24px 40px;
  backdrop-filter: blur(8px);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0 32px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
}

.stat-num {
  font-size: 28px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}

.stat-unit {
  font-size: 18px;
}

.stat-icon {
  font-size: 20px;
}

.stat-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 10px;
  letter-spacing: 0.2em;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(212, 175, 55, 0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(0.5); opacity: 0.4; }
}

/* ========== CTAバー ========== */
.cta-bar {
  background: var(--gold);
  padding: 0;
}

.cta-bar-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.cta-bar-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 32px;
  color: var(--navy-dark);
  border-right: 1px solid rgba(26, 42, 74, 0.15);
  transition: var(--transition);
}

.cta-bar-item:last-child {
  border-right: none;
}

.cta-bar-item:hover {
  background: rgba(26, 42, 74, 0.08);
}

.cta-bar-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.cta-bar-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cta-bar-label {
  font-size: 11px;
  font-weight: 500;
  opacity: 0.7;
  letter-spacing: 0.05em;
}

.cta-bar-value {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* ========== ABOUT ========== */
.about {
  padding: 120px 0;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-img-box {
  position: relative;
  aspect-ratio: 1;
  max-width: 420px;
  margin: 0 auto;
}

.about-img-inner {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, var(--navy-dark) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.about-img-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(212, 175, 55, 0.15), transparent 60%),
    radial-gradient(ellipse at 70% 70%, rgba(212, 175, 55, 0.05), transparent 60%);
}

.about-emblem {
  text-align: center;
  z-index: 1;
}

.emblem-text {
  display: block;
  font-size: 72px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  letter-spacing: 0.05em;
  text-shadow: 0 0 40px rgba(212, 175, 55, 0.4);
}

.emblem-sub {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.3em;
  margin-top: 8px;
}

.about-cert {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px 20px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(212, 175, 55, 0.2);
  margin-top: 20px;
}

.cert-icon {
  font-size: 24px;
  flex-shrink: 0;
}

.cert-text {
  font-size: 11px;
  color: var(--text-mid);
  line-height: 1.6;
}

.about-content .section-label {
  text-align: left;
  display: block;
  padding: 0;
}

.about-content .section-label::before,
.about-content .section-label::after { display: none; }

.about-content .section-title {
  text-align: left;
  font-size: clamp(28px, 3.5vw, 40px);
}

.about-divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 2px;
  margin: 20px 0;
}

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

.about-values {
  display: flex;
  gap: 20px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.value-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--off-white);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: 50px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
}

.value-icon {
  font-size: 16px;
}

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

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 42, 74, 0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.2);
}

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

.service-card-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

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

.service-card-divider {
  width: 32px;
  height: 2px;
  background: var(--gold);
  border-radius: 1px;
  margin-bottom: 14px;
}

.service-card-desc {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 16px;
}

.service-card-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.service-card-list li {
  font-size: 13px;
  color: var(--text-mid);
}

/* ========== ITEMS ========== */
.items-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.item-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 42, 74, 0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.item-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(212, 175, 55, 0.3);
}

.item-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
}

.item-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.item-desc {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 16px;
}

.item-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.12), rgba(212, 175, 55, 0.06));
  border: 1px solid rgba(212, 175, 55, 0.3);
  color: var(--gold-dark);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 14px;
  border-radius: 50px;
}

.items-note {
  text-align: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 2px dashed rgba(212, 175, 55, 0.3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.items-note p {
  font-size: 15px;
  color: var(--text-mid);
}

/* ========== FEATURES ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  border-color: rgba(212, 175, 55, 0.2);
}

.feature-number {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 16px;
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: block;
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
}

.feature-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
}

/* ========== FLOW ========== */
.flow-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}

.flow-step {
  flex: 1;
  text-align: center;
  padding: 0 20px;
}

.flow-arrow {
  flex-shrink: 0;
  font-size: 20px;
  color: var(--gold);
  padding-top: 60px;
  opacity: 0.6;
}

.flow-step-num {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 12px;
}

.flow-step-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 16px;
}

.flow-step-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.flow-step-desc {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.8;
}

.flow-step::before {
  content: '';
  display: block;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(212, 175, 55, 0.05));
  border: 2px solid rgba(212, 175, 55, 0.3);
  border-radius: 50%;
  margin: 0 auto 16px;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 42, 74, 0.06);
  transition: var(--transition);
}

.faq-item.open {
  border-color: rgba(212, 175, 55, 0.3);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: 'Noto Sans JP', sans-serif;
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  background: rgba(212, 175, 55, 0.04);
}

.faq-q-mark {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 900;
}

.faq-q-text {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.5;
}

.faq-arrow {
  flex-shrink: 0;
  font-size: 20px;
  color: var(--gold);
  transition: var(--transition);
  font-weight: 300;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 22px 70px;
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.9;
  border-top: 1px solid rgba(26, 42, 74, 0.06);
  padding-top: 16px;
}

/* ========== CONTACT ========== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.contact-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  transition: var(--transition);
}

.contact-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
  border-color: rgba(212, 175, 55, 0.3);
}

.contact-card-icon {
  font-size: 40px;
  display: block;
  margin-bottom: 16px;
}

.contact-card-title {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.contact-card-value {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  word-break: break-all;
}

a.contact-card-value:hover {
  color: var(--gold);
}

.contact-card-note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
}

.contact-cta {
  text-align: center;
  padding: 48px;
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--radius-lg);
}

.contact-cta-text {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 28px;
  line-height: 1.7;
}

.contact-cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--navy-dark);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
  font-size: 28px;
  font-weight: 900;
  color: var(--gold);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.footer-logo span {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.5);
  margin-left: 6px;
}

.footer-tagline {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 16px;
}

.footer-license {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.35);
  line-height: 1.8;
}

.footer-nav-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  transition: var(--transition);
}

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

.footer-contact p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 10px;
  line-height: 1.6;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.55);
}

.footer-contact a:hover {
  color: var(--gold);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.3);
}

/* ========== レスポンシブ ========== */
@media (max-width: 1024px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .about-inner {
    gap: 48px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .section {
    padding: 72px 0;
  }

  /* ナビ */
  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    background: var(--navy-dark);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    padding: calc(var(--header-height) + 32px) 24px 32px;
    box-shadow: -8px 0 32px rgba(0,0,0,0.3);
  }

  .nav.active {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    display: block;
    padding: 14px 16px;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius);
  }

  .nav-link.nav-cta {
    margin-top: 16px;
    text-align: center;
  }

  /* ヒーロー */
  .hero-stats {
    flex-direction: column;
    gap: 16px;
    padding: 24px;
  }

  .stat-item {
    padding: 0;
  }

  .stat-divider {
    width: 48px;
    height: 1px;
  }

  .hero-btns {
    flex-direction: column;
    align-items: center;
  }

  /* CTAバー */
  .cta-bar-inner {
    grid-template-columns: 1fr;
  }

  .cta-bar-item {
    border-right: none;
    border-bottom: 1px solid rgba(26, 42, 74, 0.15);
  }

  .cta-bar-item:last-child {
    border-bottom: none;
  }

  /* ABOUT */
  .about-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-content .section-title {
    text-align: center;
  }

  .about-content .section-label {
    text-align: center;
    display: block;
  }

  .about-divider {
    margin: 20px auto;
  }

  .about-values {
    justify-content: center;
  }

  /* SERVICE */
  .service-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* ITEMS */
  .items-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .items-note {
    flex-direction: column;
    text-align: center;
  }

  /* FEATURES */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* FLOW */
  .flow-steps {
    flex-direction: column;
    align-items: center;
  }

  .flow-arrow {
    transform: rotate(90deg);
    padding-top: 0;
    margin: 8px 0;
  }

  .flow-step {
    width: 100%;
    max-width: 400px;
  }

  /* CONTACT */
  .contact-grid {
    grid-template-columns: 1fr;
  }

  /* FOOTER */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 26px;
  }

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

  .service-card,
  .feature-card {
    padding: 28px 20px;
  }

  .flow-step {
    padding: 0 8px;
  }

  .contact-cta {
    padding: 32px 20px;
  }

  .contact-cta-btns {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }
}