/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');

:root {
  --primary-color: #003366;
  --primary-dark: #002244;
  --accent-color: #FF8C00;
  --accent-hover: #E67E00;
  --text-color: #333333;
  --text-muted: #666666;
  --bg-light: #F8F9FA;
  --bg-white: #FFFFFF;
  --border-color: #EEEEEE;
  --inner-width: 1100px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-white);
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

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

.container {
  max-width: var(--inner-width);
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--accent-color);
  border-radius: 2px;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Common Components */
.btn {
  display: inline-block;
  padding: 18px 40px;
  background-color: var(--accent-color);
  color: #FFF;
  font-weight: 700;
  font-size: 1.2rem;
  border-radius: 50px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(255, 140, 0, 0.3);
}

.btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4);
}

/* Header */
header {
  height: 80px;
  display: flex;
  align-items: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  height: 90vh;
  min-height: 600px;
  background: linear-gradient(rgba(0, 51, 102, 0.6), rgba(0, 51, 102, 0.6)), url('assets/hero_bg.png') center/cover no-repeat;
  display: flex;
  align-items: center;
  color: #FFF;
  position: relative;
}

.hero__content {
  max-width: 700px;
}

.hero__subtitle {
  font-size: 1.25rem;
  margin-bottom: 20px;
  display: block;
}

.hero__title {
  font-size: 3.5rem;
  line-height: 1.3;
  margin-bottom: 30px;
  font-weight: 700;
}

.hero__title span {
  color: #FFD700;
}

/* Strengths Section */
.strengths {
  background-color: var(--bg-light);
}

.strengths__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.strength-card {
  background-color: var(--bg-white);
  padding: 40px 30px;
  border-radius: 15px;
  text-align: center;
  transition: var(--transition);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.strength-card:hover {
  transform: translateY(-10px);
}

.strength-card__icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  background-color: rgba(0, 51, 102, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 2rem;
}

.strength-card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

/* Results Section */
.results {
  background-color: var(--primary-color);
  color: #FFF;
}

.results__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  text-align: center;
}

.result-item h3 {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--accent-color);
}

.result-item p {
  font-size: 1.2rem;
}

/* Testimonials */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background-color: var(--bg-white);
  padding: 30px;
  border-radius: 15px;
  border: 1px solid var(--border-color);
}

.testimonial__header {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.testimonial__img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 15px;
}

.testimonial__info h4 {
  font-size: 1.1rem;
  color: var(--primary-color);
}

.testimonial__info span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.testimonial__text {
  font-style: italic;
  position: relative;
}

/* Flow Section */
.flow {
  background-color: var(--bg-light);
}

.flow__steps {
  display: flex;
  justify-content: space-between;
  position: relative;
}

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

.flow-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  top: 30px;
  right: -10px;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.step-num {
  width: 60px;
  height: 60px;
  background-color: var(--primary-color);
  color: #FFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

/* Price Section */
.price__cards {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.price-card {
  flex: 1;
  min-width: 300px;
  max-width: 400px;
  background-color: var(--bg-white);
  padding: 40px;
  border-radius: 15px;
  border: 2px solid var(--primary-color);
  text-align: center;
}

.price-card--featured {
  background-color: var(--primary-color);
  color: #FFF;
  transform: scale(1.05);
}

.price-card h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.price-card .amount {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 10px;
  display: block;
}

.price-card .amount span {
  font-size: 1rem;
  font-weight: 400;
}

/* FAQ Section */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px;
  background-color: var(--bg-white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-align: left;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  transition: var(--transition);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease;
  background-color: var(--bg-light);
}

.faq-item.active .faq-answer {
  padding: 20px;
  max-height: 500px;
}

/* CTA Section */
.cta-banner {
  background: linear-gradient(rgba(0, 51, 102, 0.8), rgba(0, 51, 102, 0.8)), url('assets/cta_bg.png') center/cover no-repeat;
  color: #FFF;
  text-align: center;
  padding: 100px 0;
}

.cta-banner h2 {
  font-size: 2.5rem;
  margin-bottom: 30px;
}

/* Contact Form */
.contact-form {
  max-width: 700px;
  margin: 0 auto;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

.form-control {
  width: 100%;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
}

.error-message {
  color: #dc3545;
  font-size: 0.85rem;
  margin-top: 5px;
  display: none;
}

/* Footer */
footer {
  background-color: var(--primary-dark);
  color: #FFF;
  padding: 60px 0 20px;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer__info h3 {
  margin-bottom: 20px;
}

.copyright {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  font-size: 0.9rem;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .hero__title {
    font-size: 2.8rem;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }
  .hero__title {
    font-size: 2.2rem;
  }
  .flow__steps {
    flex-direction: column;
    gap: 40px;
  }
  .flow-step:not(:last-child)::after {
    content: '↓';
    top: auto;
    bottom: -30px;
    right: 50%;
    transform: translateX(50%);
  }
  .price-card--featured {
    transform: scale(1);
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 1.8rem;
  }
  .btn {
    width: 100%;
    text-align: center;
  }
}