/* Intenseye Landing Page Styles */

/* ===== Base Styles ===== */
:root {
  /* Primary Colors */
  --primary-dark: #0a2540;    /* Dark blue for headers and important text */
  --primary-blue: #0066cc;    /* Main brand blue */
  --primary-light: #e6f2ff;   /* Light blue for backgrounds */
  
  /* Secondary Colors */
  --secondary-orange: #ff6b35; /* Orange for CTAs and highlights */
  --secondary-green: #00b894;  /* Green for success indicators */
  --secondary-red: #e74c3c;    /* Red for warnings and alerts */
  
  /* Neutral Colors */
  --neutral-white: #ffffff;
  --neutral-light: #f8f9fa;
  --neutral-gray: #6c757d;
  --neutral-dark: #343a40;
  
  /* Typography */
  --font-primary: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  --font-secondary: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 5rem;
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  line-height: var(--line-height-base);
  color: var(--neutral-dark);
  background-color: var(--neutral-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--primary-dark);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--secondary-orange);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xl) 0;
}

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

.text-right {
  text-align: right;
}

/* ===== Button Styles ===== */
.btn {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--neutral-white);
  border-color: var(--primary-blue);
}

.btn-primary:hover {
  background-color: #0055b3;
  border-color: #0055b3;
  color: var(--neutral-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
/*
.btn-secondary {
  background-color: var(--secondary-orange);
  color: var(--neutral-white);
  border-color: var(--secondary-orange);
}

.btn-secondary:hover {
  background-color: #e85a2a;
  border-color: #e85a2a;
  color: var(--neutral-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-blue);
  border-color: var(--primary-blue);
}

.btn-outline:hover {
  background-color: var(--primary-blue);
  color: var(--neutral-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.25rem;
}*/

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* ===== Header Styles ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--neutral-white);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}
#header .logo span {
    font-size: 14px;
    color: #888;
    display: contents;
}
.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-md);
}

.logo {
  display: flex;
  align-items: center;
}
.logo img {
  height: 40px;
  margin-right: var(--spacing-sm);
}
.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
}
.logo img.sp{
  display: none;
}
.logo img.pc,
.logo span{
  display: block;
}
@media (max-width: 768px) {
  .logo img.pc,
  #header .logo span{
    display: none;
  }
  .logo img.sp{
    display: block;
  }
  #header .logo{
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  #header .logo img{
    height: 60px;
  }
}
.nav-menu {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: var(--spacing-lg);
}

.nav-link {
  font-weight: 500;
  color: var(--neutral-dark);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-blue);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-blue);
  transition: width var(--transition-normal);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  margin-left: var(--spacing-lg);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--neutral-dark);
  cursor: pointer;
}

/* ===== Hero Section ===== */
#top_hero .container{
  flex-direction: row;
}
.hero {
  position: relative;
  padding: 10rem 0 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, #1a365d 100%);
  color: var(--neutral-white);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/pattern.png');
  background-size: cover;
  opacity: 0.1;
}

.hero-container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  max-width: 1440px;
  align-items: center;
}

.hero-content {
  flex: 0 0 40%;
  max-width: 40%;
  padding-bottom: 6rem;
}
.top_hero h1 {
  color: var(--neutral-white);
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
  text-align: left;
}

.hero-stats {
  display: flex;
  margin-top: var(--spacing-lg);
}

.hero-stat {
  margin-right: var(--spacing-xl);
}

.hero-stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--secondary-orange);
  margin-bottom: var(--spacing-xs);
}
.hero-stat-number span{
  font-size: 0.8rem;
}
.hero-stat-label {
  font-size: 1rem;
  opacity: 0.8;
}

.hero-image {
  flex: 0 0 60%;
  max-width: 60%;
  position: relative;
}

.hero-image img {
  width: 100%;
  vertical-align: bottom;
}
.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}
@media (max-width: 992px) {
  #top_hero .container{
    flex-direction: column;
  }
  #top_hero .container h1{
    font-size: 2rem;
  }
  .hero{
    padding: 2rem 0 0;
  }
  .hero p{
    font-size: 1rem;
  }
  .hero-cta{
    flex-direction: column;
    align-items: center;
  }
  .hero-content{
    padding-bottom: 0;
  }
  .hero-stats{
    justify-content: space-evenly;
  }
  .hero-stat-label{
    font-size: 12px;
  }
  #top_hero img{
    margin-right: -32px;
  }
}
/* ===== Features Section ===== */
.features {
  background-color: var(--neutral-light);
  padding: var(--spacing-xxl) 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.section-title {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-md);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--secondary-orange);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--neutral-gray);
  margin-bottom: var(--spacing-lg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.feature-card {
  background-color: var(--neutral-white);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 60%;
  min-width: 270px;
  height: auto;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}
.feature-icon img {
  max-width: 100%;
}
.feature-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  color: var(--neutral-gray);
}
.feature-text{
  width: 40%;
}
@media (max-width: 768px) {
  .feature-card {
    padding: 10px;
  }
  .feature-text p {
    font-size: 14px;
  }
  .features-grid{
    gap: 20px;
  }
  .feature-icon{
    min-width: auto;
    width: 50%;
  }
  .feature-text {
    width: 50%;
}
#lp main h3.feature-title {
  font-size: 1.2rem;
}
}
/* ===== Benefits Section ===== 
.benefits {
  padding: var(--spacing-xxl) 0;
}

.benefits-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.benefits-content {
  flex: 0 0 45%;
  max-width: 45%;
}

.benefits-image {
  flex: 0 0 50%;
  max-width: 50%;
}

.benefits-image img {
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
}

.benefit-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background-color: var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-md);
}

.benefit-icon i {
  font-size: 1.5rem;
  color: var(--primary-blue);
}

.benefit-text h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.benefit-text p {
  color: var(--neutral-gray);
  margin-bottom: 0;
}*/
/* Benefits Section */
.benefits {
  padding: 80px 20px;
  background: #fff;
  text-align: center;
}

.benefits .section-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 10px;
}

.benefits .section-subtitle {
  font-size: 16px;
  color: #777;
  margin-bottom: 50px;
}

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

.benefit-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
  justify-items: center;
}
.benefit-item {
  max-width: 300px;
  text-align: center;
}

.benefit-icon {
  margin-bottom: 20px;
}

.benefit-icon img {
  width: 60px;
  height: auto;
}

.benefit-text h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #0c1e35; /* 濃いめのテキスト色 */
}

.benefit-text p {
  font-size: 14px;
  line-height: 1.6;
  color: #444;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .benefits .section-title {
    font-size: 24px;
  }
  .benefits-content {
    gap: 30px;
  }
  .benefit-item {
    max-width: 100%;
  }
}


/* ===== Safety Stack Section ===== */
.safety-stack {
  background-color: var(--primary-light);
  padding: var(--spacing-xxl) 0;
}

.stack-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stack-content {
  flex: 0 0 45%;
  max-width: 45%;
}

.stack-visual {
  flex: 0 0 50%;
  max-width: 50%;
  position: relative;
}

.stack-layers {
  position: relative;
  height: 400px;
}

.stack-layer {
  position: absolute;
  width: 100%;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  background-color: var(--neutral-white);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.stack-layer:nth-child(1) {
  top: 0;
  z-index: 3;
  background-color: var(--secondary-orange);
  color: var(--neutral-white);
}

.stack-layer:nth-child(2) {
  top: 100px;
  left: 20px;
  z-index: 2;
  background-color: var(--primary-blue);
  color: var(--neutral-white);
}

.stack-layer:nth-child(3) {
  top: 200px;
  left: 40px;
  z-index: 1;
}

.stack-layer:hover {
  transform: translateY(-10px);
}

.stack-layer-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.stack-layer-description {
  margin-bottom: 0;
}
/* ===== Testimonials Section ===== */
.testimonials {
  padding: var(--spacing-xxl) 0;
}

.testimonials-slider {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.testimonial-item {
  background-color: var(--neutral-white);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  margin: 0 var(--spacing-md);
  text-align: center;
  border: 1px solid #ccc;
  border-radius: 20px;
}

.testimonial-content {
  font-size: 1.25rem;
  color: var(--neutral-dark);
  margin: 0 auto var(--spacing-lg);
  max-width: 625px;
  position: relative;
}

.testimonial-content::before,
.testimonial-content::after {
  content: ".";
  position: absolute;
  line-height: 1;
  color: transparent;
}

.testimonial-content::before {
  top: -20px;
  left: -40px;
  background: url(../images/icon-quote-top.png) no-repeat;
  background-size: contain;
  width: 50px;
  height: auto;
}

.testimonial-content::after {
  bottom: -40px;
  right: -40px;
  background: url(../images/icon-quote-bottom.png) no-repeat;
  background-size: contain;
  width: 50px;
  height: auto;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.testimonial-author::before {
    content: "";
    width: 120px;
    height: 2px;
    background: #27AAC3;
    position: absolute;
    top: -20px;
}
.testimonial-author-image {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

.testimonial-author-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-author-name {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

.testimonial-author-title {
  color: var(--neutral-gray);
  font-size: 0.9rem;
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.testimonial-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--neutral-gray);
  margin: 0 var(--spacing-xs);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.testimonial-dot.active {
  background-color: var(--primary-blue);
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-fade-in {
  animation: fadeIn 1s ease forwards;
}

.animate-slide-left {
  animation: slideInLeft 1s ease forwards;
}

.animate-slide-right {
  animation: slideInRight 1s ease forwards;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

/* Animation delays */
.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-500 {
  animation-delay: 0.5s;
}

/* ===== Responsive Styles ===== */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
  
  h1 {
    font-size: 2.75rem;
  }
  
  h2 {
    font-size: 2.25rem;
  }
  
  .hero h1 {
    font-size: 3rem;
  }
}

@media (max-width: 992px) {
  .container {
    max-width: 720px;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero h1 {
    font-size: 2.75rem;
  }
  
  .hero-container {
    flex-direction: column;
  }
  
  .hero-content, .hero-image {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .hero-image {
    margin-top: var(--spacing-xl);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .benefits-container, .stack-container {
    flex-direction: column-reverse;
  }
  
  .benefits-content, .benefits-image, .stack-content, .stack-visual {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .benefits-image, .stack-visual {
    order: -1;
  }
  
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .container {
    max-width: 540px;
  }
  
  h1 {
    font-size: 2.25rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--neutral-white);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    padding: var(--spacing-md) 0;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-item {
    margin: 0;
    padding: var(--spacing-sm) var(--spacing-lg);
  }
  
  .nav-cta {
    margin: var(--spacing-md) var(--spacing-lg);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .calculator-form {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  .features,
  .benefits,
  .safety-stack,
  .testimonials{
    padding: 2em 0;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .hero h1 {
    font-size: 2.25rem;
  }
  
  
  .hero-stat {
    margin-right: 0;
    margin-bottom: var(--spacing-md);
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .testimonial-item {
    padding: var(--spacing-lg);
  }
}
/* data-protection */
.data-protection{
  background: #E3E3E3;
  padding: 3em 0;
}
.data-protection h2 {
  font-size: 24px;
  margin-bottom: 1em;
}
.data-protection h3 {
  font-size: 18px;
  margin-top: 1em;
}
.data-protection h4 {
  font-size: 16px;
  font-weight: bold;
  margin-top: 1em;
}
.data-protection p {
  font-size: 15px;
  line-height: 1.8;
}

.data-protection-inner {
  max-height: 220px;
  overflow: hidden;
  position: relative;
  transition: max-height 0.5s ease;
}
.data-protection-inner.expanded {
  max-height: 5000px;
  padding-bottom: 30px;
}
.data-protection .more-btn {
  margin-top: 1em;
  display: inline-block;
  background: #999;
  color: white;
  padding: 5px 20px;
  border-radius: 30px;
  cursor: pointer;
  font-size: 14px;
}
.data-protection-fade {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 50px;
  width: 100%;
  background: linear-gradient(transparent, #e3e3e3);
  pointer-events: none;
}