/* ===========================================
   はなせるAI - 共通スタイル
   =========================================== */

/* Base Font Size Override (Bootstrap uses rem) */
/* html {
  font-size: 18px;
} */

/* Bootstrap Text Size Overrides */
.small, small {
  font-size: 1.10rem; /* デフォルト0.875em → 少し大きく */
}

.fs-6 {
  font-size: 1.20rem !important; /* デフォルト1rem → 一段階大きく */
}
.fs-5 {
  font-size: 1.35rem !important; /* 中見出し */
}
.fs-4 {
  font-size: 1.50rem !important; /* 大きめ見出し */
}


/*.iframe-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
}
 .iframe-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
} */

/* CSS Variables */
:root {
  --bg-white: #fefefe;
  --bg-cream: #faf8f5;
  --bg-card: #ffffff;
  --border-light: rgba(0,0,0,0.08);
  --text-primary: #2d3748;
  --text-muted: #64748b;
  --text-muted2: #94a3b8;
  --accent-pink: #ff6b9d;
  --accent-purple: #a78bfa;
  --accent-cyan: #22d3ee;
  --accent-orange: #fb923c;
  --accent-green: #4ade80;
  --gradient-pop: linear-gradient(135deg, #ff6b9d 0%, #a78bfa 50%, #22d3ee 100%);
  --shadow-soft: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.08);
}

/* Base */
body {
  font-family: 'Noto Sans JP', ui-sans-serif, system-ui, -apple-system, sans-serif;
  color: var(--text-primary);
  background: var(--bg-cream);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background Decorations */
.bg-decoration {
  position: fixed;
  top: 50%;
  right: -150px;
  transform: translateY(-50%) rotate(15deg);
  width: 500px;
  height: auto;
  border-radius: 40px;
  opacity: 0.12;
  z-index: 0;
  pointer-events: none;
  box-shadow: 0 30px 80px rgba(167,139,250,0.3);
}

.bg-blob-1 {
  position: fixed;
  top: -200px;
  left: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,107,157,0.15) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

.bg-blob-2 {
  position: fixed;
  bottom: -150px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(34,211,238,0.12) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

.bg-blob-3 {
  position: fixed;
  top: 40%;
  left: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(167,139,250,0.1) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

/* Z-index for content */
main, footer {
  position: relative;
  z-index: 1;
}

/* Navbar needs higher z-index for fixed positioning */
.navbar {
  z-index: 1030; /* Bootstrap default for fixed navbar */
}

/* Navbar */
.navbar-custom {
  backdrop-filter: blur(20px);
  background: rgba(255,255,255,0.85);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-soft);
}

.navbar-brand-text {
  font-weight: 900;
  letter-spacing: 0.02em;
  background: var(--gradient-pop);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-brand-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(100, 116, 139, 0.35);
}

.brand-icon-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 14px;
}

/* Buttons */
.btn-glass {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  border-radius: 50px;
  padding: 10px 20px;
  font-weight: 600;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-soft);
}

.btn-glass:hover {
  background: white;
  border-color: var(--accent-pink);
  color: var(--accent-pink);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.btn-gradient {
  background: var(--gradient-pop);
  border: none;
  color: white;
  border-radius: 50px;
  padding: 12px 28px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(255,107,157,0.35);
  transition: all 0.2s ease;
}

.btn-gradient:hover {
  transform: translateY(-3px) scale(1.02);
  color: white;
  box-shadow: 0 12px 32px rgba(255,107,157,0.45);
}

/* Cards & Panels */
.card-glass {
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--border-light);
  border-radius: 28px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
}

.panel {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

/* Stats */
.stat-box {
  background: linear-gradient(135deg, rgba(255,107,157,0.08), rgba(167,139,250,0.08));
  border: 1px solid rgba(255,107,157,0.15);
  border-radius: 16px;
  padding: 16px;
}

.stat-box h4 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.stat-box p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

/* Feature Cards */
.feature-card {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 28px;
  height: 100%;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: rgba(255,107,157,0.3);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.5rem;
}

.feature-icon.pink {
  background: linear-gradient(135deg, rgba(255,107,157,0.15), rgba(255,107,157,0.05));
  color: var(--accent-pink);
}

.feature-icon.purple {
  background: linear-gradient(135deg, rgba(167,139,250,0.15), rgba(167,139,250,0.05));
  color: var(--accent-purple);
}

.feature-icon.cyan {
  background: linear-gradient(135deg, rgba(34,211,238,0.15), rgba(34,211,238,0.05));
  color: var(--accent-cyan);
}

/* Use Case Cards */
.usecase-card {
  background: white;
  border: 2px solid transparent;
  border-radius: 24px;
  padding: 28px;
  height: 100%;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.usecase-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-pop);
}

.usecase-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.usecase-number {
  width: 40px;
  height: 40px;
  background: var(--gradient-pop);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: white;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.usecase-image-wrapper {
  background: white;
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 20px;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
}

.usecase-image-wrapper:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.usecase-image-wrapper img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 16px;
}

/* Carousel */
.screenshot-carousel {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border-light);
  background: white;
  box-shadow: var(--shadow-card);
}

.screenshot-carousel .carousel-item img {
  width: 100%;
  height: auto;
}

.screenshot-carousel .carousel-caption {
  background: linear-gradient(transparent, rgba(45,55,72,0.9));
  left: 0;
  right: 0;
  bottom: 0;
  padding: 40px 20px 20px;
}

.carousel-control-prev,
.carousel-control-next {
  width: 50px;
  height: 50px;
  background: var(--gradient-pop);
  border-radius: 50%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.9;
  box-shadow: 0 4px 12px rgba(255,107,157,0.3);
}

.carousel-control-prev { left: 15px; }
.carousel-control-next { right: 15px; }

.carousel-control-prev:hover,
.carousel-control-next:hover {
  opacity: 1;
  transform: translateY(-50%) scale(1.1);
}

.carousel-indicators {
  margin-bottom: 10px;
}

.carousel-indicators button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin: 0 5px;
  background-color: rgba(255,255,255,0.5);
}

.carousel-indicators button.active {
  background: var(--gradient-pop);
}

/* Pricing Cards */
.pricing-card {
  border-radius: 28px;
  padding: 32px;
  height: 100%;
  background: white;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
}

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

.pricing-card.monthly {
  border: 1px solid var(--border-light);
}

.pricing-card.yearly {
  border: 2px solid var(--accent-pink);
  position: relative;
}

.badge-recommend {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-pop);
  color: white;
  padding: 8px 24px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 4px 12px rgba(255,107,157,0.3);
}

.price-amount {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  background: var(--gradient-pop);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-unit {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.discount-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(74,222,128,0.15), rgba(74,222,128,0.05));
  border: 1px solid rgba(74,222,128,0.3);
  color: #16a34a;
  padding: 6px 14px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.85rem;
}

/* Pill Badges */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 50px;
  background: linear-gradient(135deg, rgba(255,107,157,0.1), rgba(167,139,250,0.1));
  border: 1px solid rgba(255,107,157,0.2);
  font-size: 0.85rem;
  color: var(--accent-pink);
  font-weight: 600;
}

/* Footer */
footer {
  background: white;
  border-top: 1px solid var(--border-light);
  padding: 48px 0;
  color: var(--text-muted);
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: var(--accent-pink);
}

footer h5,
footer h6 {
  color: var(--text-primary);
}

/* Utilities */
.text-muted-custom { color: var(--text-muted) !important; }
.text-muted2 { color: var(--text-muted2) !important; }

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

/* Section Spacing */
section {
  padding: 70px 0;
}

/* Hero Section */
.hero-section {
  padding-top: 100px;
  padding-bottom: 50px;
}

/* Kicker */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-radius: 50px;
  background: white;
  border: 1px solid var(--border-light);
  margin-bottom: 24px;
  box-shadow: var(--shadow-soft);
}

/* Section Titles */
.section-title {
  position: relative;
  display: inline-block;
  margin-bottom: 12px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--gradient-pop);
  border-radius: 2px;
}

/* Contact Panel */
.contact-panel {
  background: linear-gradient(135deg, rgba(255,107,157,0.08), rgba(167,139,250,0.08));
  border: 1px solid rgba(255,107,157,0.2);
}

/* ===========================================
   Content Pages (Privacy, Terms, Tokushoho)
   =========================================== */

.content-card {
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--border-light);
  border-radius: 28px;
  padding: 48px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(10px);
}

.content-card h1 {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
  background: var(--gradient-pop);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.content-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 16px;
  color: var(--accent-pink);
}

.content-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.content-card p,
.content-card li {
  color: var(--text-muted);
  line-height: 1.9;
}

.content-card ul {
  padding-left: 1.5rem;
}

.content-card li {
  margin-bottom: 8px;
}

.content-card hr {
  border-color: var(--border-light);
  margin: 24px 0;
}

.content-card a {
  color: var(--accent-pink);
  text-decoration: none;
  transition: color 0.2s;
}

.content-card a:hover {
  color: var(--accent-purple);
  text-decoration: underline;
}

/* Info Table (Tokushoho) */
.info-table {
  width: 100%;
}

.info-table tr {
  border-bottom: 1px solid var(--border-light);
}

.info-table tr:last-child {
  border-bottom: none;
}

.info-table th {
  width: 200px;
  padding: 20px 16px 20px 0;
  font-weight: 700;
  color: var(--accent-pink);
  vertical-align: top;
}

.info-table td {
  padding: 20px 0;
  color: var(--text-muted);
  line-height: 1.8;
}

.info-table a {
  color: var(--accent-pink);
  text-decoration: none;
}

.info-table a:hover {
  text-decoration: underline;
}

/* Page Main Content */
.page-main {
  padding-top: 100px;
  padding-bottom: 60px;
}

/* Responsive - Tablet */
@media (max-width: 991px) {
  .hero-section {
    padding-top: 90px;
  }

  .hero-section h1 {
    font-size: 1.8rem;
  }

  section {
    padding: 50px 0;
  }

  .carousel-control-prev,
  .carousel-control-next {
    width: 40px;
    height: 40px;
  }

  .carousel-control-prev { left: 10px; }
  .carousel-control-next { right: 10px; }
}

/* Responsive - Mobile */
@media (max-width: 768px) {
  .bg-decoration {
    width: 300px;
    right: -100px;
    opacity: 0.08;
  }

  .hero-section {
    padding-top: 80px;
    padding-bottom: 30px;
  }

  .hero-section h1 {
    font-size: 1.5rem;
    text-align: center;
  }

  .hero-section .lead {
    text-align: center;
  }

  .hero-section .d-flex {
    justify-content: center;
  }

  .kicker {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  section {
    padding: 40px 0;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .section-title::after {
    width: 40px;
  }

  .content-card {
    padding: 24px;
  }

  .info-table th {
    width: 120px;
    font-size: 0.9rem;
  }

  .info-table th,
  .info-table td {
    padding: 16px 8px 16px 0;
  }

  /* Pricing cards */
  .pricing-card {
    padding: 24px;
  }

  .price-amount {
    font-size: 2.2rem;
  }

  /* Use case cards */
  .usecase-card {
    padding: 20px;
  }

  /* Feature cards */
  .feature-card {
    padding: 20px;
  }

  /* Video wrapper */
  .video-wrapper {
    max-width: 240px !important;
  }

  /* Carousel */
  .carousel-control-prev,
  .carousel-control-next {
    width: 36px;
    height: 36px;
  }

  .carousel-control-prev { left: 5px; }
  .carousel-control-next { right: 5px; }

  .screenshot-carousel .carousel-caption h5 {
    font-size: 1rem;
  }

  .screenshot-carousel .carousel-caption p {
    font-size: 0.75rem;
  }

  /* Footer */
  footer {
    text-align: center;
  }

  footer .text-lg-end {
    text-align: center !important;
  }

  footer .ms-auto {
    margin-left: auto !important;
    margin-right: auto !important;
  }

  /* Navbar */
  .navbar-nav {
    padding: 16px 0;
    gap: 8px !important;
  }

  .navbar-nav .btn {
    width: 100%;
    text-align: center;
  }
}

/* Responsive - Small Mobile */
@media (max-width: 480px) {
  .hero-section h1 {
    font-size: 1.3rem;
  }

  .stat-box h4 {
    font-size: 0.95rem;
  }

  .stat-box p {
    font-size: 0.75rem;
  }

  .btn-gradient,
  .btn-glass {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .panel {
    padding: 16px;
  }

  .card-glass {
    padding: 16px !important;
  }
}