/* ========================================
   LaPient - CSS
   ======================================== */

:root {
  --color-bg: #faf9f7;
  --color-bg-light: #f3f2ef;
  --color-bg-card: #ffffff;
  --color-primary: #A05C30;
  --color-primary-light: #C07848;
  --color-accent: #8B4E20;
  --color-white: #1a1a2e;
  --color-text: #374151;
  --color-text-muted: #6b7280;
  --color-border: rgba(160, 92, 48, 0.2);
  --color-glow: rgba(224, 155, 106, 0.2);
  --gradient-primary: linear-gradient(135deg, #E09B6A, #A05C30);
  --gradient-logo: linear-gradient(135deg, #c9a84c, #f5d87a, #a0782a);
  --gradient-card: linear-gradient(135deg, rgba(224,155,106,0.05), rgba(160,92,48,0.02));
  --font-heading: "Space Grotesk", "Noto Sans JP", sans-serif;
  --font-body: "Inter", "Noto Sans JP", sans-serif;
  --transition: 0.3s ease;
  --radius: 16px;
  --radius-sm: 8px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

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

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

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

.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: translateY(0); }
  50% { opacity: 0.3; transform: translateY(10px); }
}

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

#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

#header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 10px 0;
  box-shadow: 0 1px 30px rgba(79, 70, 229, 0.08);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: #1a1a2e;
  letter-spacing: -0.5px;
}

.logo-accent {
  background: var(--gradient-logo);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#nav {
  display: flex;
  gap: 32px;
}

#nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: #374151;
  transition: color var(--transition);
  position: relative;
}

#nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition);
}

#nav a:hover {
  color: var(--color-primary);
}

#nav a:hover::after {
  width: 100%;
}

/* Header SNS */
.header-social {
  display: flex;
  gap: 8px;
  align-items: center;
}

.header-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  transition: all var(--transition);
}

.header-social-line {
  color: #06c755;
  border: 1px solid rgba(6, 199, 85, 0.4);
  background: rgba(6, 199, 85, 0.08);
}

.header-social-line:hover {
  background: rgba(6, 199, 85, 0.2);
  border-color: #06c755;
  transform: scale(1.1);
}

.header-social-tiktok {
  color: #374151;
  border: 1px solid rgba(0, 0, 0, 0.15);
  background: rgba(0, 0, 0, 0.04);
}

.header-social-tiktok:hover {
  color: #ff0050;
  border-color: #ff0050;
  background: rgba(255, 0, 80, 0.15);
  transform: scale(1.1);
}

/* Hamburger */
.lang-switcher {
  display: flex;
  gap: 4px;
  margin-left: 16px;
}

.lang-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-heading);
  letter-spacing: 0.5px;
}

.lang-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.lang-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #1a1a2e;
  transition: transform var(--transition), opacity var(--transition);
}

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

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

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

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

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background-image:
    linear-gradient(rgba(160, 92, 48, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 92, 48, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  z-index: 1;
  padding: 0 24px;
}

.hero-label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary-light);
  margin-bottom: 16px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 700;
  color: #1a1a2e;
  letter-spacing: -1px;
  line-height: 1.4;
}

.hero-tagline {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-top: 16px;
  font-weight: 400;
  line-height: 1.7;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.btn-primary {
  display: inline-block;
  margin-top: 40px;
  padding: 14px 32px;
  background: #A05C30;
  color: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn-primary:hover {
  background: #8B4E20;
  transform: translateY(-2px);
}

/* Hero CTA グループ */
.hero-cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 0;
}

.hero-cta-group .btn-primary {
  margin-top: 0;
}

.btn-secondary {
  display: inline-block;
  padding: 14px 32px;
  background: transparent;
  color: #374151;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: 1.5px solid rgba(160, 92, 48, 0.3);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.btn-secondary:hover {
  border-color: #A05C30;
  background: rgba(160, 92, 48, 0.06);
}

/* Stats Bar */
.vision-banner {
  background: linear-gradient(135deg, #fdf6f0, #faf0e6);
  padding: 48px 24px;
  text-align: center;
}

.vision-text {
  font-size: 1.15rem;
  line-height: 2;
  color: var(--color-text);
  max-width: 680px;
  margin: 0 auto;
}

.vision-text strong {
  color: var(--color-primary);
}

.stats-bar {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 48px;
  padding-bottom: 40px;
}

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

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: #1a1a2e;
  line-height: 1.2;
}

.stat-number small {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  letter-spacing: 0.05em;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
}

.hero-scroll span {
  display: block;
  width: 2px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 2px;
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ========================================
   Sections (common)
   ======================================== */

.section {
  padding: 100px 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  color: #1a1a2e;
  text-align: center;
  margin-bottom: 12px;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-bottom: 60px;
}

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

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.strength-card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 32px 28px;
  text-align: left;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.strength-card:hover {
  border-color: #A05C30;
  background: rgba(160, 92, 48, 0.02);
}

.strength-icon {
  width: 48px;
  height: 48px;
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: 12px;
  color: #fff;
}

.strength-icon svg {
  width: 28px;
  height: 28px;
}

.strength-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: #1a1a2e;
  margin-bottom: 12px;
}

.strength-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ========================================
   Service Plans
   ======================================== */

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.plan-card {
  background: #ffffff;
  border: 1px solid rgba(79, 70, 229, 0.12);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(79, 70, 229, 0.12);
}

.plan-card-featured {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(79,70,229,0.04), rgba(124,58,237,0.02));
  box-shadow: 0 4px 30px rgba(79, 70, 229, 0.12);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 20px;
  border-radius: 20px;
  letter-spacing: 1px;
}

.plan-header {
  text-align: center;
  margin-bottom: 24px;
}

.plan-name {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: #1a1a2e;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.plan-price {
  text-align: center;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.price-label {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary-light);
}

.price-amount {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.price-sub {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.price-monthly {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text);
  margin-top: 6px;
  font-weight: 500;
}

.plan-discount {
  background: rgba(168, 85, 247, 0.08);
  border: 1px dashed rgba(168, 85, 247, 0.3);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 20px;
  text-align: center;
}

.discount-badge {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.discount-price {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: #1a1a2e;
}

.plan-features {
  list-style: none;
  margin-bottom: 28px;
}

.plan-features li {
  font-size: 0.9rem;
  padding: 8px 0;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 10px 8px;
  transition: background var(--transition);
}

.feature-item:hover {
  background: rgba(99, 102, 241, 0.06);
}

.feature-toggle {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--color-primary-light);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

.feature-item.open .feature-toggle {
  transform: rotate(45deg);
}

.feature-detail {
  width: 100%;
  max-height: 0;
  overflow: hidden;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding-left: 26px;
  transition: max-height 0.35s ease, padding 0.35s ease, opacity 0.35s ease;
  opacity: 0;
}

.feature-item.open .feature-detail {
  max-height: 200px;
  padding-top: 6px;
  padding-bottom: 4px;
  opacity: 1;
}

.check {
  color: var(--color-primary-light);
  font-weight: 700;
  flex-shrink: 0;
}

.btn-plan {
  display: block;
  text-align: center;
  padding: 12px 24px;
  border: 1px solid var(--color-primary);
  border-radius: 50px;
  color: var(--color-primary-light);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background var(--transition), color var(--transition);
}

.btn-plan:hover {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}

.plan-card-featured .btn-plan {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}

.plan-card-featured .btn-plan:hover {
  box-shadow: 0 4px 20px var(--color-glow);
}

/* ========================================
   月次保守・運用プラン
   ======================================== */

.maintenance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.maintenance-card {
  position: relative;
  background: #ffffff;
  border: 1px solid rgba(79, 70, 229, 0.12);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.maintenance-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(79, 70, 229, 0.12);
  border-color: var(--color-primary);
}

.maintenance-card-featured {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(79,70,229,0.04), rgba(124,58,237,0.02));
  box-shadow: 0 4px 30px rgba(79, 70, 229, 0.12);
}

.maintenance-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.maintenance-header {
  text-align: center;
}

.maintenance-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 8px;
}

.maintenance-header h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 10px;
}

.maintenance-price {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: #1a1a2e;
}

.maintenance-price span {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.maintenance-features {
  list-style: none;
  padding: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.maintenance-features li {
  font-size: 0.9rem;
  color: var(--color-text);
  padding-left: 4px;
}

.btn-plan-featured {
  background: var(--gradient-primary) !important;
  color: white !important;
  border: none !important;
}

.maintenance-note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 8px;
}

@media (max-width: 1024px) {
  .maintenance-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .maintenance-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   ご利用の流れ
   ======================================== */

.flow-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 48px;
}

.flow-step {
  flex: 1;
  background: #ffffff;
  border: 1px solid rgba(79, 70, 229, 0.12);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.flow-step:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
  box-shadow: 0 12px 40px rgba(79, 70, 229, 0.12);
}

.flow-icon {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.flow-num {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--color-primary-light);
  margin-bottom: 10px;
}

.flow-step h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 12px;
}

.flow-step p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--color-text);
}

.flow-arrow {
  flex-shrink: 0;
  align-self: center;
  color: var(--color-primary-light);
  font-size: 1.5rem;
  padding: 0 12px;
  margin-top: -20px;
}

.flow-cta {
  text-align: center;
}

.flow-cta p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  font-size: 1rem;
}

@media (max-width: 768px) {
  .flow-steps {
    flex-direction: column;
    gap: 16px;
  }

  .flow-arrow {
    transform: rotate(90deg);
    align-self: center;
    margin: 0;
    padding: 0;
  }
}

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

.portfolio-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: #ffffff;
  border: 1px solid rgba(79, 70, 229, 0.12);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.mockup-frame {
  background: #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.mockup-bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  background: #d1d5db;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #9ca3af;
}

.mockup-screen {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #f3f4f6;
}

.mockup-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.portfolio-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary-light);
  background: rgba(99, 102, 241, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.portfolio-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: #1a1a2e;
  margin-bottom: 16px;
}

.portfolio-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.03);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary-light);
  transition: gap var(--transition), color var(--transition);
}

.btn-outline:hover {
  gap: 12px;
  color: var(--color-white);
}

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

.portfolio-video {
  margin-top: 48px;
  text-align: center;
}

.portfolio-video-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
}

.portfolio-video-desc {
  color: var(--color-text-muted);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.video-wrapper {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 40px rgba(99, 102, 241, 0.15);
}

.video-wrapper iframe {
  display: block;
  width: 100%;
  height: 315px;
}

@media (max-width: 600px) {
  .video-wrapper iframe {
    height: 240px;
  }
}

/* ========================================
   Portfolio Results (Before/After)
   ======================================== */

.portfolio-results {
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.result-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
  background: #f9fafb;
  border-radius: 8px;
  padding: 10px 14px;
  border: 1px solid rgba(160, 92, 48, 0.12);
}

.result-label {
  font-size: 0.8rem;
  line-height: 1.5;
}

.result-label.before {
  color: #9ca3af;
  text-decoration: line-through;
  text-decoration-color: rgba(239, 68, 68, 0.5);
}

.result-label.after {
  color: #16a34a;
  font-weight: 600;
}

.result-icon {
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
}

/* ========================================
   無料HP診断セクション
   ======================================== */

.section-diagnosis {
  background: linear-gradient(180deg, #faf9f7 0%, rgba(160,92,48,0.04) 50%, #faf9f7 100%);
}

.diagnosis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-top: 40px;
}

.diagnosis-checklist {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.6;
}

.check-icon {
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.check-icon.danger {
  color: #f87171;
}

.diagnosis-cta-box {
  background: #ffffff;
  border: 1px solid rgba(160, 92, 48, 0.2);
  border-radius: var(--radius);
  padding: 36px 32px;
  text-align: center;
  position: sticky;
  top: 100px;
  box-shadow: 0 4px 24px rgba(160, 92, 48, 0.08);
}

.diagnosis-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.diagnosis-cta-box h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: #1a1a2e;
  margin-bottom: 14px;
}

.diagnosis-cta-box p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.diagnosis-benefits {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.diagnosis-benefits li {
  font-size: 0.85rem;
  color: #16a34a;
  font-weight: 500;
}

@media (max-width: 768px) {
  .diagnosis-grid {
    grid-template-columns: 1fr;
  }

  .result-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .result-icon {
    display: none;
  }

  .result-label.before::after {
    content: " →";
    text-decoration: none;
    color: #6c63ff;
    font-weight: 700;
  }
}

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

.about-card {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 40px;
  max-width: 800px;
  margin: 0 auto;
}

.about-photo {
  flex-shrink: 0;
}

.about-photo-img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
}

.about-info h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: #1a1a2e;
  margin-bottom: 4px;
}

.about-name-en {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.about-role {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 16px;
}

.about-motto {
  font-size: 0.85rem;
  color: #A05C30;
  font-weight: 500;
  font-style: italic;
  margin-bottom: 16px;
  line-height: 1.6;
}

.about-desc {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 16px;
}

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

.about-tags span {
  font-size: 0.75rem;
  color: #A05C30;
  background: rgba(224, 155, 106, 0.12);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 500;
}

@media (max-width: 640px) {
  .about-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 24px;
  }

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

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

.contact-form {
  max-width: 700px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: #1a1a2e;
  margin-bottom: 8px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-sm);
  color: #1a1a2e;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b6b80' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
}

.form-group select option {
  background: #ffffff;
  color: #374151;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  font-size: 1.05rem;
  margin-top: 8px;
}

.form-status {
  text-align: center;
  margin-top: 16px;
  font-size: 0.9rem;
}

.form-status.success {
  color: #34d399;
}

.form-status.error {
  color: #f87171;
}

/* ========================================
   FAQ
   ======================================== */

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid rgba(79, 70, 229, 0.12);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.faq-item:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

.faq-item.open {
  border-color: var(--color-primary);
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.1);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  color: #1a1a2e;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

.faq-question:hover {
  color: var(--color-primary-light);
}

.faq-icon {
  font-size: 1.3rem;
  color: var(--color-primary-light);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

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

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.8;
}

/* ========================================
   AI活用度診断クイズ
   ======================================== */

.section-quiz {
  background: linear-gradient(180deg, #faf9f7 0%, rgba(160,92,48,0.04) 50%, #faf9f7 100%);
}

.quiz-container {
  max-width: 640px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid rgba(160, 92, 48, 0.15);
  border-radius: var(--radius);
  padding: 40px 36px;
  box-shadow: 0 4px 24px rgba(160, 92, 48, 0.08);
}

.quiz-progress {
  width: 100%;
  height: 6px;
  background: #e5e7eb;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.quiz-progress-bar {
  height: 100%;
  width: 20%;
  background: var(--gradient-primary);
  border-radius: 3px;
  transition: width 0.4s ease;
}

.quiz-progress-text {
  text-align: right;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
  font-family: var(--font-heading);
  letter-spacing: 0.5px;
}

.quiz-question {
  display: none;
}

.quiz-question.active {
  display: block;
  animation: quizFadeIn 0.4s ease;
}

@keyframes quizFadeIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

.quiz-q-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 24px;
  line-height: 1.6;
}

.quiz-q-num {
  display: inline-block;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 4px;
  margin-right: 8px;
  vertical-align: middle;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.quiz-option {
  display: block;
  width: 100%;
  padding: 14px 20px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1.6;
}

.quiz-option:hover {
  border-color: var(--color-primary);
  background: rgba(160, 92, 48, 0.04);
  transform: translateX(4px);
}

.quiz-option.selected {
  border-color: var(--color-primary);
  background: rgba(160, 92, 48, 0.08);
  color: var(--color-primary);
  font-weight: 600;
}

/* 結果画面 */
.quiz-result {
  text-align: center;
  animation: quizFadeIn 0.5s ease;
}

.quiz-result-level {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.quiz-result-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 16px;
}

.quiz-result-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.quiz-result-score {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.quiz-cta {
  margin-top: 0;
  margin-bottom: 24px;
}

.quiz-share {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.quiz-share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: all var(--transition);
}

.quiz-share-x {
  color: #1a1a2e;
  border: 1px solid #d1d5db;
  background: #f3f4f6;
}

.quiz-share-x:hover {
  color: #000;
  border-color: #000;
  background: rgba(0, 0, 0, 0.06);
  transform: scale(1.1);
}

.quiz-share-line {
  color: #fff;
  border: 1px solid #06c755;
  background: #06c755;
}

.quiz-share-line:hover {
  background: #05b34c;
  border-color: #05b34c;
  transform: scale(1.1);
}

.quiz-retry {
  background: none;
  border: none;
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.quiz-retry:hover {
  color: var(--color-accent);
}

@media (max-width: 768px) {
  .quiz-container {
    padding: 28px 20px;
  }

  .quiz-q-title {
    font-size: 1rem;
  }
}

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

#footer {
  border-top: 1px solid #e5e7eb;
  padding-top: 60px;
  background: #f8f9fc;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
}

.footer-logo {
  font-size: 1.4rem;
  display: inline-block;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-nav h4,
.footer-contact h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: #1a1a2e;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer-nav a {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 4px 0;
  transition: color var(--transition);
}

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

.footer-contact p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  line-height: 1.6;
}

.footer-contact a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition);
}

/* TikTok */
.social-link:first-child {
  color: #1a1a2e;
  border: 1px solid #d1d5db;
  background: #f3f4f6;
}

.social-link:first-child:hover {
  border-color: #ff0050;
  color: #ff0050;
  background: rgba(255, 0, 80, 0.08);
}

/* LINE */
.social-link:last-child {
  color: #fff;
  border: 1px solid #06c755;
  background: #06c755;
}

.social-link:last-child:hover {
  background: #05b34c;
  border-color: #05b34c;
  color: #fff;
}

.social-link svg {
  flex-shrink: 0;
}

.footer-bottom {
  text-align: center;
  padding: 24px 0;
  margin-top: 40px;
  border-top: 1px solid #e5e7eb;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ========================================
   Chatbot
   ======================================== */

.chatbot {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
}

.chatbot-pulse {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--gradient-primary);
  animation: chatPulse 3s ease-in-out infinite;
  pointer-events: none;
}

.chatbot.open .chatbot-pulse {
  display: none;
}

@keyframes chatPulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.5); opacity: 0; }
}

.chatbot-toggle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: none;
  background: var(--gradient-primary);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 25px var(--color-glow);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow var(--transition);
  position: relative;
  z-index: 1;
}

.chatbot-toggle:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 8px 35px rgba(99, 102, 241, 0.5);
}

.chatbot-toggle svg {
  width: 26px;
  height: 26px;
  transition: transform 0.3s ease;
}

.chatbot-icon-close {
  display: none;
}

.chatbot.open .chatbot-icon-open {
  display: none;
}

.chatbot.open .chatbot-icon-close {
  display: block;
}

.chatbot.open .chatbot-toggle {
  transform: rotate(0deg);
}

.chatbot-window {
  position: absolute;
  bottom: 72px;
  right: 0;
  width: 380px;
  max-height: 540px;
  background: #ffffff;
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 20px;
  overflow: hidden;
  flex-direction: column;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.15), 0 0 40px rgba(79, 70, 229, 0.08);
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
}

.chatbot.open .chatbot-window {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.chatbot-header {
  background: var(--gradient-primary);
  padding: 18px 20px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.chatbot-header::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 120px;
  height: 120px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.chatbot-header::after {
  content: "";
  position: absolute;
  bottom: -60%;
  left: -20%;
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.chatbot-header-info {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.chatbot-avatar {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chatbot-avatar svg {
  width: 22px;
  height: 22px;
}

.chatbot-header h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1px;
}

.chatbot-header p {
  font-size: 0.75rem;
  opacity: 0.9;
  display: flex;
  align-items: center;
  gap: 5px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34d399;
  display: inline-block;
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  max-height: 280px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.chatbot-messages::-webkit-scrollbar {
  width: 4px;
}

.chatbot-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 4px;
}

.chat-message {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.86rem;
  line-height: 1.65;
  animation: msgSlideIn 0.3s ease-out;
}

@keyframes msgSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-message.bot {
  background: #f3f4f6;
  border: 1px solid #e5e7eb;
  color: #374151;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-message.user {
  background: var(--gradient-primary);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
}

.chatbot-quick {
  padding: 10px 16px 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-top: 1px solid var(--color-border);
}

.quick-btn {
  font-size: 0.75rem;
  font-family: var(--font-body);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--color-primary-light);
  cursor: pointer;
  transition: all var(--transition);
}

.quick-btn:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.15);
}

.chatbot-input {
  display: flex;
  padding: 12px 16px;
  gap: 8px;
  border-top: 1px solid var(--color-border);
}

.chatbot-input input {
  flex: 1;
  padding: 10px 14px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 24px;
  color: #1a1a2e;
  font-family: var(--font-body);
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.chatbot-input input::placeholder {
  color: var(--color-text-muted);
}

.chatbot-input input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.chatbot-input button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--gradient-primary);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), box-shadow var(--transition);
  flex-shrink: 0;
}

.chatbot-input button:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 15px var(--color-glow);
}

.chatbot-input button svg {
  width: 18px;
  height: 18px;
}

.chatbot-footer {
  text-align: center;
  padding: 6px;
  font-size: 0.65rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  letter-spacing: 0.5px;
}

.chatbot-footer strong {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.typing-indicator {
  display: flex;
  gap: 5px;
  padding: 12px 14px;
  align-self: flex-start;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.08);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
  animation: msgSlideIn 0.3s ease-out;
}

.typing-indicator span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary-light);
  opacity: 0.4;
  animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

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

@media (max-width: 1024px) {
  .strengths-grid,
  .plans-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .plans-grid .plan-card:last-child {
    grid-column: span 2;
    max-width: 400px;
    justify-self: center;
  }

  .portfolio-card {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .header-social {
    margin-left: auto;
    margin-right: 8px;
  }

  .lang-switcher {
    margin-left: 0;
    margin-right: 12px;
  }

  .hamburger {
    display: flex;
  }

  #nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    z-index: 999;
  }

  #nav.open {
    opacity: 1;
    pointer-events: auto;
  }

  #nav a {
    font-size: 1.2rem;
    color: #1a1a2e;
  }

  .strengths-grid,
  .plans-grid {
    grid-template-columns: 1fr;
  }

  .plans-grid .plan-card:last-child {
    grid-column: span 1;
    max-width: none;
  }

  .section {
    padding: 70px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .hero-title {
    font-size: 1.6rem;
    letter-spacing: -0.5px;
  }

  .stats-bar {
    flex-direction: column;
    gap: 20px;
    bottom: 40px;
  }

  .stat-number {
    font-size: 2rem;
  }

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

  .portfolio-card {
    padding: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .chatbot-window {
    width: calc(100vw - 32px);
    right: -8px;
    max-height: 70vh;
  }
}

/* ========================================
   AIシミュレーター
   ======================================== */

.section-simulator {
  background: linear-gradient(180deg, #faf9f7, #f3f2ef);
}

.sim-selector {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.sim-btn {
  padding: 10px 24px;
  border: 1px solid rgba(160, 92, 48, 0.25);
  border-radius: 50px;
  background: #ffffff;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.sim-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.sim-btn.active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}

.sim-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.sim-column-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.sim-column-title.before-title {
  color: #ef4444;
}

.sim-column-title.after-title {
  color: #16a34a;
}

.sim-card {
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.sim-card.before {
  background: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.15);
}

.sim-card.after {
  background: rgba(22, 163, 74, 0.05);
  border: 1px solid rgba(22, 163, 74, 0.15);
}

.sim-item {
  font-size: 0.9rem;
  line-height: 1.7;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.sim-item .sim-icon {
  flex-shrink: 0;
  margin-top: 2px;
  font-weight: 700;
}

.sim-card.before .sim-icon {
  color: #ef4444;
}

.sim-card.after .sim-icon {
  color: #16a34a;
}

.sim-card.before .sim-text {
  color: #6b7280;
  text-decoration: line-through;
  text-decoration-color: rgba(239, 68, 68, 0.4);
}

.sim-card.after .sim-text {
  color: var(--color-text);
  font-weight: 500;
}

/* 数字演出 */
.sim-stats {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.sim-stat-card {
  background: #ffffff;
  border: 1px solid rgba(160, 92, 48, 0.15);
  border-radius: var(--radius);
  padding: 24px 32px;
  text-align: center;
  min-width: 180px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.sim-stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.sim-stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* フェードアニメーション */
.sim-fade-out {
  opacity: 0;
  transform: translateY(10px);
}

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

@media (max-width: 768px) {
  .sim-content {
    grid-template-columns: 1fr;
  }

  .sim-stat-card {
    min-width: 140px;
    padding: 20px 24px;
  }

  .sim-stat-number {
    font-size: 1.8rem;
  }

  .sim-selector {
    gap: 8px;
  }

  .sim-btn {
    padding: 8px 16px;
    font-size: 0.82rem;
  }
}