/* ===== Base Styles ===== */
:root {
  --color-orange: #ff6f3d;
  --color-navy: #0a1a2f;
  --color-light-gray: #f5f5f5;
  --color-white: #ffffff;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #e0e0e0;
  --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.1);
  --radius: 12px;
  --transition: 0.3s ease;
  --container-max: 1280px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Poppins", "Noto Sans JP", sans-serif;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-navy);
  text-decoration: none;
  transition: var(--transition);
}

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

ul,
ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
}

section {
  padding: 4rem 0;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--color-orange);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: #e05a2a;
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-navy);
  border: 2px solid var(--color-navy);
}

.btn-secondary:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

/* ===== Header ===== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
  background-color: transparent;
}

#header.scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow-soft);
}

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

.logo {
  display: block;
  z-index: 1001;
}

.logo img {
  height: 40px;
  width: auto;
}

nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
}

.nav-links li {
  margin: 0 1rem;
}

.nav-links a {
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-orange);
  transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background-color: var(--color-navy);
  transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-content {
  max-width: 600px;
  position: relative;
  z-index: 2;
  color: var(--color-white);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

.hero-subcopy {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-navy);
  background-image: url("../img/hero-bg.svg");
  background-size: cover;
  background-position: center;
  z-index: 1;
}

/* ===== Form Section ===== */
.form-section {
  background-color: var(--color-light-gray);
  border-radius: var(--radius);
  margin-top: -4rem;
  position: relative;
  z-index: 3;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.required {
  color: var(--color-orange);
  font-size: 0.8rem;
  margin-left: 0.5rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1rem;
}

.contact-form button {
  grid-column: span 2;
  margin-top: 1rem;
}

/* ===== Logo Wall ===== */
.logo-wall {
  text-align: center;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.logo-item img {
  max-height: 60px;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: var(--transition);
}

.logo-item:hover img {
  filter: grayscale(0);
  opacity: 1;
}

/* ===== Testimonial Slider ===== */
.testimonial-slider {
  background-color: var(--color-light-gray);
}

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

.slider-track {
  display: flex;
  transition: transform 0.6s ease-in-out;
}

.testimonial-card {
  flex: 0 0 100%;
  padding: 2rem;
  background-color: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
}

.quote {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.company {
  color: var(--color-text-light);
}

.slider-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 2rem;
}

.slider-prev,
.slider-next {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-navy);
  padding: 0.5rem;
}

.slider-dots {
  display: flex;
  gap: 0.5rem;
  margin: 0 1rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-border);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  background-color: var(--color-orange);
}

/* ===== Pain Section ===== */
.pain-section {
  position: relative;
  background: linear-gradient(135deg, var(--color-orange) 0%, #ff9f6b 100%);
  color: var(--color-white);
  padding-top: 6rem;
}

.slant-divider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4rem;
  background-color: var(--color-white);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 0);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.pain-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
}

.pain-card:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.2);
}

.pain-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

/* ===== Solution Section ===== */
.solution-section {
  text-align: center;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.solution-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.step {
  display: inline-block;
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  margin-bottom: 1rem;
  font-weight: 700;
}

.outcome {
  display: inline-block;
  background-color: var(--color-orange);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  margin-top: 1rem;
  font-weight: 700;
}

/* ===== Mid-CTA ===== */
.mid-cta {
  background: linear-gradient(135deg, var(--color-orange) 0%, #ff9f6b 100%);
  color: var(--color-white);
  text-align: center;
}

.mid-cta .contact-form {
  margin-top: 2rem;
}

/* ===== Value Proposition ===== */
.value-proposition {
  text-align: center;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.value-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.value-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: var(--color-light-gray);
  border-radius: 50%;
  margin: 0 auto 1rem;
  color: var(--color-orange);
}

/* ===== Features & Video ===== */
.features-video .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.features-list {
  margin-bottom: 2rem;
}

.features-list li {
  margin-bottom: 0.75rem;
}

.video-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ===== Metrics ===== */
.metrics {
  background-color: var(--color-light-gray);
  text-align: center;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.metric-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.metric-value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-orange);
  margin-bottom: 0.5rem;
  position: relative;
}

.metric-value::after {
  content: "%";
  font-size: 1.5rem;
  position: absolute;
  top: 0.5rem;
}

.metric-label {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.metric-quote {
  font-style: italic;
  color: var(--color-text-light);
}

/* ===== Bottom CTA ===== */
.bottom-cta {
  text-align: center;
  position: relative;
}

.floating-cta {
  display: none;
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--color-orange);
  color: var(--color-white);
  padding: 1rem;
  border-radius: 50px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  z-index: 100;
  font-weight: 700;
  transition: var(--transition);
}

.floating-cta:hover {
  background-color: #e05a2a;
  color: var(--color-white);
  transform: translateY(-5px);
}

/* ===== FAQ Section ===== */
.faq-section {
  background-color: var(--color-light-gray);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--color-white);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-item summary {
  padding: 1.5rem;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  list-style: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  transition: var(--transition);
}

.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq-content {
  padding: 0 1.5rem 1.5rem;
}

/* ===== eBook CTA ===== */
.ebook-cta .container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.ebook-content ul {
  margin-top: 1rem;
}

.ebook-form {
  background-color: var(--color-light-gray);
  padding: 2rem;
  border-radius: var(--radius);
}

.ebook-form button {
  width: 100%;
  margin-top: 1rem;
}

/* ===== Footer ===== */
footer {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-col h3 {
  color: var(--color-orange);
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
}

.footer-col ul {
  list-style: none;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.75rem;
}

.footer-col a {
  color: var(--color-white);
  opacity: 0.8;
}

.footer-col a:hover {
  color: var(--color-orange);
  opacity: 1;
}

.footer-logo {
  margin-bottom: 1rem;
}

.footer-badges {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

address {
  font-style: normal;
  line-height: 1.8;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  height: 40vh;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  margin-bottom: 2rem;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

/* ===== Features Page ===== */
.features-tabs {
  margin-bottom: 4rem;
}

.tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  background-color: var(--color-light-gray);
  border: none;
  border-radius: var(--radius);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active,
.tab-btn:hover {
  background-color: var(--color-orange);
  color: var(--color-white);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.feature-detail {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
}

.feature-icon {
  color: var(--color-orange);
  background-color: var(--color-light-gray);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-list {
  margin-bottom: 2rem;
}

.code-block {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--radius);
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
  font-family: monospace;
}

.features-cta,
.industries-cta {
  background-color: var(--color-light-gray);
  text-align: center;
  padding: 4rem 0;
}

/* ===== Industries Page ===== */
.industries-filter {
  margin-bottom: 4rem;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
  justify-content: center;
}

.chip {
  padding: 0.5rem 1.25rem;
  background-color: var(--color-light-gray);
  border: none;
  border-radius: 50px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.chip.active,
.chip:hover {
  background-color: var(--color-orange);
  color: var(--color-white);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.case-card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.case-logo {
  height: 60px;
  display: flex;
  align-items: center;
  margin-bottom: 1.5rem;
}

.case-logo img {
  max-height: 100%;
}

.case-result {
  color: var(--color-orange);
  margin-bottom: 1rem;
}

.case-summary {
  margin-bottom: 1.5rem;
  color: var(--color-text-light);
}

.btn-detail {
  background: none;
  border: none;
  color: var(--color-navy);
  font-weight: 700;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  transition: var(--transition);
}

.btn-detail:hover {
  color: var(--color-orange);
}

/* ===== Modal ===== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  overflow-y: auto;
  padding: 2rem 0;
}

.modal-content {
  background-color: var(--color-white);
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--color-text-light);
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--color-orange);
}

.modal-header {
  padding: 2rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.modal-logo {
  max-height: 60px;
}

.modal-body {
  padding: 2rem;
}

.modal-body h3 {
  color: var(--color-navy);
  margin-top: 1.5rem;
}

.modal-body blockquote {
  background-color: var(--color-light-gray);
  padding: 1.5rem;
  border-left: 4px solid var(--color-orange);
  margin: 1.5rem 0;
  font-style: italic;
}

.modal-body cite {
  display: block;
  margin-top: 0.5rem;
  font-weight: 700;
  font-style: normal;
}

/* ===== Animation Classes ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ===== Responsive Styles ===== */
@media (max-width: 1200px) {
  .container {
    padding: 0 2rem;
  }
}

@media (max-width: 992px) {
  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .solution-grid,
  .value-grid,
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .logo-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .features-video .container,
  .ebook-cta .container,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .case-studies-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  section {
    padding: 3rem 0;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: var(--color-white);
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links li {
    margin: 1rem 0;
  }

  .menu-toggle {
    display: block;
  }

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

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

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

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

  .contact-form button {
    grid-column: 1;
  }

  .pain-grid,
  .solution-grid,
  .value-grid,
  .metrics-grid,
  .case-studies-grid {
    grid-template-columns: 1fr;
  }

  .logo-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .feature-detail {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .feature-icon {
    margin: 0 auto 1.5rem;
  }

  .floating-cta {
    display: block;
  }
}

@media (max-width: 576px) {
  .logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    min-height: 80vh;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero-subcopy {
    font-size: 1rem;
  }

  .tabs {
    flex-direction: column;
  }

  .tab-btn {
    width: 100%;
  }
}