/* ===================================
   SalesMirror Landing Page - Premium
   =================================== */

/* CSS Variables */
:root {
  /* Primary - コーラル系 */
  --color-primary-500: #F87171;
  --color-primary-400: #FB923C;
  --color-primary-600: #DC2626;
  --color-primary-300: #FCA5A5;
  --color-primary-200: #FECACA;
  --color-primary-100: #FEE2E2;

  /* Gray - ニュートラル */
  --color-gray-900: #111827;
  --color-gray-800: #1F2937;
  --color-gray-700: #374151;
  --color-gray-600: #4B5563;
  --color-gray-500: #6B7280;
  --color-gray-400: #9CA3AF;
  --color-gray-300: #D1D5DB;
  --color-gray-200: #E5E7EB;
  --color-gray-100: #F3F4F6;
  --color-gray-50: #F9FAFB;

  /* Background */
  --color-background: #FFFFFF;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #F87171 0%, #FB923C 100%);
  --gradient-accent: linear-gradient(135deg, #F87171 0%, #DC2626 100%);
  --gradient-subtle: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(249,250,251,1) 100%);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "游ゴシック体", "Yu Gothic", YuGothic;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-gray-900);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
p { font-size: 1.125rem; line-height: 1.8; }

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container { padding: 0 1.5rem; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, #F87171 0%, #FB923C 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(248, 113, 113, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(248, 113, 113, 0.5);
}

.btn-white {
  background: white;
  color: var(--color-primary-500);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  border: none;
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  background: white;
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

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

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
  border-radius: 14px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: white;
  text-decoration: none;
  transition: all 0.3s;
  background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header.scrolled .logo {
  background: linear-gradient(135deg, #F87171 0%, #FB923C 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: none;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .nav { display: flex; }
}

.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: all 0.3s;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, #F87171 0%, #FB923C 100%);
  transition: width 0.3s;
}

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

.header.scrolled .nav a {
  color: var(--color-gray-700);
}

.header .btn-primary {
  display: none;
  padding: 0.75rem 1.75rem;
}

@media (min-width: 768px) {
  .header .btn-primary { display: inline-flex; }
}

/* Mobile Menu */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

@media (min-width: 768px) {
  .mobile-menu-btn { display: none; }
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: white;
  transition: all 0.3s;
  border-radius: 2px;
}

.header.scrolled .mobile-menu-btn span {
  background: var(--color-gray-900);
}

.mobile-menu {
  display: none;
  background: white;
  border-top: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
  display: block;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  gap: 1rem;
}

.mobile-nav a {
  padding: 0.75rem;
  color: var(--color-gray-700);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s;
  border-radius: 8px;
}

.mobile-nav a:hover {
  background: var(--color-gray-50);
  color: var(--color-primary-500);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F87171 0%, #FB923C 100%);
  position: relative;
  overflow: hidden;
  padding: 8rem 0 4rem;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 150%;
  height: 150%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: moveGrid 20s linear infinite;
  opacity: 0.3;
}

@keyframes moveGrid {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, white, transparent);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

@media (min-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
  }
}

.hero-text {
  text-align: center;
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 1024px) {
  .hero-text { text-align: left; }
}

.hero h1 {
  color: white;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 3rem;
}

@media (min-width: 640px) {
  .hero-cta {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .hero-cta { justify-content: flex-start; }
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .hero-features {
    grid-template-columns: repeat(4, 1fr);
  }
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s;
}

.hero-feature:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.hero-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* SVG Icons */
.icon-clock, .icon-check, .icon-card, .icon-refresh {
  width: 20px;
  height: 20px;
  stroke: white;
  stroke-width: 2;
  fill: none;
}

.hero-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

@media (min-width: 1024px) {
  .hero-badge { justify-content: flex-start; }
}

.hero-image {
  position: relative;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.hero-image-inner {
  aspect-ratio: 16/10;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 2rem;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.hero-image-inner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
  100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.hero-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.1));
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
}

/* Image Placeholders */
.image-placeholder {
  width: 100%;
  aspect-ratio: 2 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #F9FAFB, #F3F4F6);
  border: 2px dashed var(--color-gray-300);
  border-radius: 16px;
  color: var(--color-gray-500);
  transition: all 0.3s;
}

.image-placeholder p {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.image-placeholder span {
  font-size: 0.875rem;
  color: var(--color-gray-400);
}

.image-placeholder:hover {
  border-color: var(--color-primary-500);
  background: linear-gradient(135deg, #FEF2F2, #FEE2E2);
}

.image-placeholder.small {
  aspect-ratio: 16 / 9;
  font-size: 0.875rem;
}

.image-placeholder.small p {
  font-size: 0.875rem;
}

.image-placeholder.small span {
  font-size: 0.75rem;
  display: none;
}

.feature-demo-image {
  margin-top: 4rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.steps-screenshot {
  margin-top: 4rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.science-diagram {
  margin-top: 4rem;
  margin-bottom: 3rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.science-diagram .image-placeholder {
  aspect-ratio: 2 / 1;
}

/* Actual Image Styles */
.feature-demo-image img,
.steps-screenshot img,
.science-diagram img,
.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-demo-image img:hover,
.steps-screenshot img:hover,
.science-diagram img:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

/* Section Styles */
section {
  padding: 8rem 0;
  position: relative;
}

@media (max-width: 768px) {
  section { padding: 5rem 0; }
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
  animation: fadeIn 0.8s ease-out;
}

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

.section-subtitle {
  font-size: 1.25rem;
  color: var(--color-gray-600);
  margin-top: 1rem;
  font-weight: 400;
}

/* Problem Section */
.problem-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  opacity: 0;
  transform: translateX(-20px);
  animation: slideInLeft 0.6s ease-out forwards;
}

.problem-item:nth-child(1) { animation-delay: 0.1s; }
.problem-item:nth-child(2) { animation-delay: 0.2s; }
.problem-item:nth-child(3) { animation-delay: 0.3s; }

@keyframes slideInLeft {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.problem-marker {
  font-size: 2rem;
  color: var(--color-primary-500);
  line-height: 1;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.problem-text {
  font-size: 1.25rem;
  color: var(--color-gray-700);
  line-height: 1.8;
  font-weight: 400;
  margin: 0;
}

/* Features Section */
.features-list {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

@media (min-width: 768px) {
  .features-list {
    gap: 6rem;
  }
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 768px) {
  .feature-row {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }

  .feature-row.reverse {
    direction: rtl;
  }

  .feature-row.reverse > * {
    direction: ltr;
  }
}

.feature-content {
  opacity: 0;
  transform: translateX(-30px);
  animation: slideInLeft 0.8s ease-out forwards;
}

.feature-row.reverse .feature-content {
  transform: translateX(30px);
}

.feature-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.feature-description {
  color: var(--color-gray-600);
  line-height: 1.8;
  font-size: 1.125rem;
}

.feature-visual {
  opacity: 0;
  transform: scale(0.95);
  animation: fadeInScale 0.8s ease-out 0.2s forwards;
}

@keyframes fadeInScale {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.feature-visual img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-visual img:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

/* Steps Section */
.steps-container {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
  }
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 80px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary-500), transparent);
  display: none;
}

@media (min-width: 768px) {
  .steps-grid::before { display: block; }
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  font-size: 5rem;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(248,113,113,0.1), rgba(251,146,60,0.1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  line-height: 1;
}

.step-icon {
  width: 90px;
  height: 90px;
  background: linear-gradient(135deg, #F87171 0%, #FB923C 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  box-shadow: 0 10px 30px rgba(248, 113, 113, 0.3);
  position: relative;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.step-icon::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: linear-gradient(135deg, #F87171, #FB923C);
  opacity: 0.3;
  filter: blur(10px);
  z-index: -1;
}

.step-icon svg {
  width: 45px;
  height: 45px;
  stroke: white;
  stroke-width: 2;
  fill: none;
}

.step-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 1rem;
}

.step-description {
  color: var(--color-gray-600);
  font-size: 1.125rem;
  line-height: 1.7;
}

/* Science Section */
.science-section {
  background: linear-gradient(180deg, white 0%, var(--color-gray-50) 100%);
}

.science-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  margin-top: 4rem;
}

@media (min-width: 768px) {
  .science-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.science-card {
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: 16px;
  padding: 2.5rem;
  display: flex;
  gap: 2rem;
  transition: all 0.4s;
  box-shadow: var(--shadow-md);
}

.science-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-200);
}

.science-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #F87171 0%, #FB923C 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(248, 113, 113, 0.25);
}

.science-icon svg {
  width: 32px;
  height: 32px;
  stroke: white;
  stroke-width: 2;
  fill: none;
}

.science-content {
  flex: 1;
}

.science-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.5rem;
}

.science-developer {
  font-size: 0.95rem;
  color: var(--color-primary-500);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.science-description {
  color: var(--color-gray-600);
  line-height: 1.7;
}

.science-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: 999px;
  padding: 1rem 2rem;
  margin-top: 4rem;
  color: var(--color-gray-700);
  font-size: 0.95rem;
  box-shadow: var(--shadow-md);
}

.science-badge svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-primary-500);
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  margin-top: 4rem;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    padding: 0;
  }
}

.pricing-card {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  transition: all 0.4s;
  position: relative;
  border: 2px solid var(--color-gray-100);
}

.pricing-card.recommended {
  border: 2px solid var(--color-primary-500);
  box-shadow: var(--shadow-2xl);
  background: linear-gradient(180deg, white 0%, rgba(248,113,113,0.02) 100%);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #F87171 0%, #FB923C 100%);
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(248, 113, 113, 0.4);
  white-space: nowrap;
}

.pricing-header {
  text-align: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-gray-100);
}

.pricing-name-en {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.pricing-name-ja {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-gray-900);
}

.pricing-price-wrapper {
  text-align: center;
  margin-bottom: 1.5rem;
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-gray-900);
  line-height: 1;
}

.pricing-period {
  font-size: 0.95rem;
  color: var(--color-gray-500);
  margin-top: 0.5rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-gray-700);
  line-height: 1.6;
}

.pricing-check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #F87171, #FB923C);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.pricing-check svg {
  width: 12px;
  height: 12px;
  stroke: white;
  stroke-width: 3;
  fill: none;
}

.pricing-cta {
  width: 100%;
  padding: 0.875rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s;
  display: block;
  border: 2px solid transparent;
}

.pricing-cta-primary {
  background: linear-gradient(135deg, #F87171 0%, #FB923C 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(248, 113, 113, 0.3);
}

.pricing-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(248, 113, 113, 0.4);
}

.pricing-cta-secondary {
  background: white;
  color: var(--color-gray-900);
  border: 2px solid var(--color-gray-200);
}

.pricing-cta-secondary:hover {
  background: var(--color-gray-50);
  border-color: var(--color-primary-500);
}

.pricing-trial {
  max-width: 800px;
  margin: 5rem auto 0;
  background: linear-gradient(135deg, rgba(248,113,113,0.05), rgba(251,146,60,0.05));
  border: 2px solid rgba(248,113,113,0.2);
  border-radius: 20px;
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.pricing-trial h3 {
  text-align: center;
  font-size: 1.5rem;
  color: var(--color-gray-900);
  margin-bottom: 2rem;
}

.pricing-trial-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  list-style: none;
}

@media (min-width: 768px) {
  .pricing-trial-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pricing-trial-list li {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--color-gray-700);
  font-weight: 500;
}

.pricing-trial-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #F87171, #FB923C);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(248, 113, 113, 0.3);
}

.pricing-trial-check svg {
  width: 14px;
  height: 14px;
  stroke: white;
  stroke-width: 3;
  fill: none;
}

/* FAQ Section */
.faq-container {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border: 1px solid var(--color-gray-200);
  border-radius: 16px;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: 1.75rem 2rem;
  background: none;
  border: none;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-gray-900);
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  transition: all 0.3s;
}

.faq-question:hover {
  background: var(--color-gray-50);
}

.faq-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(248,113,113,0.1), rgba(251,146,60,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.3s;
}

.faq-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-primary-500);
  stroke-width: 2;
  transition: transform 0.3s;
}

.faq-item.active .faq-icon {
  background: linear-gradient(135deg, #F87171, #FB923C);
}

.faq-item.active .faq-icon svg {
  stroke: white;
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 2rem;
  color: var(--color-gray-600);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 2rem 1.75rem;
}

/* CTA Section */
.cta-section {
  padding: 8rem 0;
  background: linear-gradient(135deg, #F87171 0%, #FB923C 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1), transparent 60%),
              radial-gradient(circle at 70% 50%, rgba(255,255,255,0.1), transparent 60%);
}

.cta-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

.cta-content h2 {
  color: white;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.cta-subtitle {
  font-size: 1.375rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 3rem;
  font-weight: 400;
  line-height: 1.6;
}

.cta-button-wrapper {
  margin-bottom: 2rem;
}

.cta-button {
  padding: 1.5rem 3rem;
  font-size: 1.25rem;
  font-weight: 700;
  background: white;
  color: #F87171;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
  transform: translateY(-4px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.cta-note {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

/* Footer */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-section h3 {
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 800;
}

.footer-section h4 {
  color: white;
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
}

.footer-section p {
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.875rem;
}

.footer-links a {
  color: var(--color-gray-400);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--color-primary-400);
  transform: translateX(4px);
}

.footer-bottom {
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .footer-bottom-content {
    flex-direction: row;
  }
}

.footer-copyright {
  font-size: 0.95rem;
  color: var(--color-gray-500);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  text-decoration: none;
  transition: all 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-social a:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-primary-500);
  color: var(--color-primary-400);
  transform: translateY(-3px);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s ease-in-out infinite;
  z-index: 20;
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

.scroll-indicator-box {
  width: 28px;
  height: 48px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 8px;
}

.scroll-indicator-dot {
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
  0%, 100% {
    transform: translateY(0);
    opacity: 0.7;
  }
  50% {
    transform: translateY(12px);
    opacity: 1;
  }
}

/* Utility Classes */
.text-center { text-align: center; }
.hide-mobile { display: none; }

@media (min-width: 640px) {
  .hide-mobile { display: inline; }
}