/* Mind Zone Pulse Lab - Clean Japanese Corporate Design */
:root {
  --navy: #1a2f5a;
  --navy-dark: #0f1f3d;
  --gray-light: #f4f6f9;
  --gray: #e8ebf0;
  --teal: #2a9d8f;
  --teal-dark: #218a7c;
  --text: #2c3e50;
  --white: #ffffff;
}

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

body {
  font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--white);
}

h1, h2, h3,
.logo, .footer-logo,
.hero h1, .page-hero h1 {
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  letter-spacing: 0.03em;
}

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

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

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

/* Header & Navigation */
header {
  background-color: var(--white);
  border-bottom: 1px solid var(--gray);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 1px;
}

.logo span {
  color: var(--teal);
  font-weight: 400;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 28px;
}

nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 0;
  transition: color 0.2s;
}

nav a:hover,
nav a.active {
  color: var(--navy);
  border-bottom: 2px solid var(--teal);
}

.mobile-menu {
  display: none;
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  padding: 120px 20px 100px;
  text-align: center;
}

.hero h1 {
  font-size: 42px;
  line-height: 1.3;
  margin-bottom: 24px;
  font-weight: 600;
}

.hero p {
  font-size: 18px;
  max-width: 680px;
  margin: 0 auto 36px;
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 4px;
  transition: all 0.2s;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background-color: var(--teal);
  color: var(--white);
  border: none;
}

.btn-primary:hover {
  background-color: var(--teal-dark);
  color: var(--white);
}

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

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

/* Sections */
.section {
  padding: 80px 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-size: 28px;
  color: var(--navy);
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  color: #666;
  margin-bottom: 48px;
  font-size: 16px;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background: var(--white);
  border: 1px solid var(--gray);
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.card-image {
  height: 200px;
  overflow: hidden;
  background: var(--gray-light);
}

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

.card-content {
  padding: 24px;
}

.card-content h3 ,

.card-content h2 {
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 12px;
}

.card-content p {
  font-size: 15px;
  color: #555;
  line-height: 1.65;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--gray-light);
  padding: 32px;
  border-radius: 6px;
  border-left: 4px solid var(--teal);
}

.service-card h3 ,

.service-card h2 {
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 12px;
}

/* Case Studies */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
}

.case-card {
  background: var(--white);
  border: 1px solid var(--gray);
  border-radius: 6px;
}

.case-card .case-image {
  height: 220px;
  background-size: cover;
  background-position: center;
}

.case-content {
  padding: 24px;
}

.case-content h3 ,

.case-content h2 {
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 8px;
}

.case-meta {
  font-size: 13px;
  color: #888;
  margin-bottom: 12px;
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--gray);
  padding: 20px 0;
}

.faq-question {
  font-weight: 600;
  color: var(--navy);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: "+";
  font-size: 22px;
  color: var(--teal);
}

.faq-answer {
  margin-top: 12px;
  font-size: 15px;
  color: #555;
  display: none;
  padding-right: 20px;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-question::after {
  content: "−";
}

/* News */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.news-item {
  display: flex;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray);
}

.news-date {
  min-width: 110px;
  font-size: 14px;
  color: #888;
}

.news-content h3 ,

.news-content h2 {
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 6px;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h3 ,

.contact-info h2 {
  color: var(--navy);
  margin-bottom: 20px;
}

.contact-info p {
  margin-bottom: 8px;
  font-size: 15px;
}

.contact-form {
  background: var(--gray-light);
  padding: 32px;
  border-radius: 6px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--navy);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray);
  border-radius: 4px;
  font-size: 15px;
  background: var(--white);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.map-container {
  margin-top: 30px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--gray);
}

/* Footer */
footer {
  background-color: var(--navy-dark);
  color: #a8b4c8;
  padding: 50px 20px 30px;
  font-size: 14px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-logo span {
  color: var(--teal);
}

.footer-links a{
  display: block;
  color: #a8b4c8;
  margin-bottom: 8px;
  font-size: 14px;padding-top:6px;padding-bottom:6px;min-height:24px;}

.footer-links a:hover {
  color: var(--white);
}

.copyright {
  text-align: center;
  padding-top: 30px;
  margin-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  grid-column: 1 / -1;
}

/* Responsive */
@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  nav {
    position: relative;
  }

  nav ul {
    display: none;
    position: absolute;
    top: 24px;
    right: 0;
    left: auto;
    min-width: 220px;
    background: var(--white);
    border: 1px solid var(--gray);
    border-radius: 6px;
    box-shadow: 0 12px 28px rgba(0,0,0,0.1);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    z-index: 200;
  }

  nav.nav-open ul {
    display: flex;
  }

  nav ul li {
    width: 100%;
  }

  nav ul li a {
    display: block;
    padding: 12px 20px;
  }

  nav ul li a.active,
  nav ul li a:hover {
    border-bottom: none;
    background-color: var(--gray-light);
  }

  .mobile-menu {
    display: block;
    font-size: 24px;
    color: var(--navy);
  }

  .hero h1 {
    font-size: 32px;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 90px 20px 70px;
  }
  
  .section {
    padding: 60px 20px;
  }
  
  .card-grid,
  .services-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }
}

/* Page specific */
.page-hero {
  background-color: var(--navy);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  padding: 80px 20px;
  text-align: center;
}

.page-hero h1 {
  font-size: 32px;
}

.page-hero p {
  max-width: 620px;
  margin: 16px auto 0;
  font-size: 15.5px;
  opacity: 0.95;
}

.breadcrumb {
  max-width: 1200px;
  margin: 20px auto 0;
  padding: 0 20px;
  font-size: 14px;
  color: #888;
}

.breadcrumb a {
  color: #666;
}

.content {
  max-width: 900px;
  margin: 0 auto;
  padding: 50px 20px;
}

.content h2 {
  color: var(--navy);
  margin: 40px 0 16px;
  font-size: 22px;
}

.content p,
.content li {
  margin-bottom: 14px;
  font-size: 15.5px;
  line-height: 1.75;
}

.content ul {
  padding-left: 22px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.table th,
.table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--gray);
}

.table th {
  background: var(--gray-light);
  color: var(--navy);
  font-weight: 600;
}

/* Toast notifications (non-blocking, replaces alert) */
.toast-container {
  position: fixed;
  top: 84px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 90vw;
}

.toast {
  background: var(--navy-dark);
  color: #fff;
  padding: 16px 20px;
  border-radius: 6px;
  box-shadow: 0 10px 28px rgba(0,0,0,0.18);
  font-size: 14px;
  line-height: 1.6;
  border-left: 4px solid var(--teal);
  max-width: 340px;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast.error {
  border-left-color: #c0564f;
}

/* Content images inside article/detail pages */
.content-figure {
  margin: 28px 0;
}

.content-figure img {
  width: 100%;
  border-radius: 6px;
  border: 1px solid var(--gray);
}

.content-figure figcaption {
  font-size: 13px;
  color: #888;
  margin-top: 8px;
  text-align: center;
}

.content-figure-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 28px 0;
}

.content-figure-pair .content-figure {
  margin: 0;
}

/* Pain point / checklist */
.pain-list {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 14px;
  margin: 20px 0 30px;
}

.pain-list li {
  background: var(--gray-light);
  padding: 16px 20px;
  border-radius: 6px;
  border-left: 4px solid var(--teal);
  font-size: 15px;
}

/* CTA box */
.cta-box {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
  border-radius: 8px;
  padding: 44px 32px;
  text-align: center;
  margin: 50px 0 10px;
}

.cta-box h2 {
  color: var(--white);
  margin-top: 0;
}

.cta-box p {
  opacity: 0.9;
  margin-bottom: 24px;
}

.cta-box .hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Related services / links */
.related-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 20px 0 30px;
}

.related-list a {
  display: block;
  background: var(--white);
  border: 1px solid var(--gray);
  border-radius: 6px;
  padding: 16px 20px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--navy);
  transition: border-color 0.2s, transform 0.2s;
}

.related-list a:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
  transform: translateY(-2px);
}

.case-link-title {
  color: var(--navy);
}

.case-link-title:hover {
  color: var(--teal);
}

.news-content h3 a ,

.news-content h2 a {
  color: var(--navy);
}

.news-content h3 a:hover ,

.news-content h2 a:hover {
  color: var(--teal);
}

/* 404 page */
.error-page {
  background: linear-gradient(135deg, rgba(15,31,61,0.90), rgba(26,47,90,0.86)), url('../images/japanese-it-team-collaboration.webp') center/cover no-repeat;
  color: var(--white);
  padding: 140px 20px;
  text-align: center;
}

.error-page .error-code {
  font-family: "Shippori Mincho", serif;
  font-size: 96px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 20px;
  color: var(--teal);
}

.error-page h1 {
  font-size: 26px;
  margin-bottom: 16px;
}

.error-page p {
  max-width: 560px;
  margin: 0 auto 32px;
  opacity: 0.95;
  font-size: 15.5px;
}

.error-links {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 16px;
}

.error-links a {
  color: #cfd8e8;
  font-size: 14px;
  padding: 6px 4px;
  border-bottom: 1px solid transparent;
}

.error-links a:hover {
  color: var(--white);
  border-bottom-color: var(--teal);
}

@media (max-width: 600px) {
  .content-figure-pair {
    grid-template-columns: 1fr;
  }

  .error-page .error-code {
    font-size: 64px;
  }
}
/* pt40: WCAG 2.5.8 touch targets */
nav a, .main-nav a, footer a, .footer-col a, .footer-links a{ display:inline-block; padding-top:6px; padding-bottom:6px; min-height:24px;}