/* === Variables === */
:root {
  --color-primary: #0d1b2a;
  --color-accent:  #1a56db;
  --color-text:    #1a1a1a;
  --color-text-muted: #555;
  --color-bg:      #ffffff;
  --color-bg-gray: #f5f7fa;
  --color-border:  #e0e4ea;
  --max-width: 1120px;
  --header-height: 68px;
  --radius: 6px;
  --transition: 0.2s ease;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  padding-top: var(--header-height);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* === Layout === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section-gray { background: var(--color-bg-gray); }

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 40px;
}
.section-title.center { text-align: center; }

/* === Buttons === */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: #1445b8; }
.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-white {
  background: #fff;
  color: var(--color-primary);
}
.btn-white:hover { background: #e8edf5; }

/* === Header === */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo img { height: 30px; width: auto; }

.global-nav { display: flex; align-items: center; }
.nav-list {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-list a {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  transition: color var(--transition);
}
.nav-list a:hover { color: var(--color-accent); }
.nav-list .nav-contact {
  background: var(--color-primary);
  color: #fff;
  padding: 8px 20px;
  border-radius: var(--radius);
}
.nav-list .nav-contact:hover { background: var(--color-accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* === Hero === */
.hero {
  position: relative;
  height: 600px;
  display: flex;
  align-items: center;
  background-color: var(--color-primary);
  /* background-image is set via inline style in front-page.php using get_template_directory_uri() */
  background-size: cover;
  background-position: center;
  color: #fff;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 20, 40, 0.55);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.hero-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 1rem;
  opacity: 0.9;
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.8;
}

/* === About === */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-image img { border-radius: var(--radius); width: 100%; }
.about-text p { color: var(--color-text-muted); line-height: 1.9; margin-bottom: 16px; }

/* === Service Cards (top) === */
.service-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.service-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.service-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.service-card-body { padding: 20px; }
.service-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.service-card-text { font-size: 0.85rem; color: var(--color-text-muted); }
.service-card-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* === News === */
.news-list { border-top: 1px solid var(--color-border); }
.news-item {
  display: flex;
  gap: 24px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}
.news-date {
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.news-title a {
  font-size: 0.95rem;
  font-weight: 500;
}
.news-title a:hover { color: var(--color-accent); }

/* === Recruit (top) === */
.recruit-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.recruit-image img { border-radius: var(--radius); width: 100%; }
.recruit-text p { color: var(--color-text-muted); margin-bottom: 24px; line-height: 1.9; }

/* === Contact === */
.contact-section {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: 80px 24px;
}
.contact-section .section-title { color: #fff; margin-bottom: 16px; }
.contact-section p { opacity: 0.8; margin-bottom: 32px; }

/* === CTA Cards === */
.cta-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 64px;
}
.cta-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px 32px;
  background: var(--color-bg-gray);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.cta-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.cta-card img { width: 100%; border-radius: 8px; }
.cta-card-title { font-size: 1.15rem; font-weight: 700; color: var(--color-primary); }
.cta-card p { font-size: 0.9rem; line-height: 1.8; color: var(--color-text); }
.cta-card a { display: inline-block; font-size: 0.9rem; font-weight: 700; color: var(--color-accent); text-decoration: none; margin-top: 4px; }
.cta-card a:hover { text-decoration: underline; }

/* === Page Header === */
.page-header {
  background: var(--color-primary);
  color: #fff;
  padding: 60px 24px;
  text-align: center;
}
.page-header h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* === Company Table === */
.company-table-section { padding: 80px 0; }
.info-table { width: 100%; border-collapse: collapse; }
.info-table th, .info-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  text-align: left;
  vertical-align: top;
}
.info-table th {
  width: 180px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-bg-gray);
  white-space: nowrap;
}

.history-list { margin-top: 32px; }
.history-item {
  display: flex;
  gap: 32px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}
.history-date {
  flex-shrink: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.history-body { font-size: 0.95rem; }

/* === Service Page === */
.service-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 64px;
}
.service-nav a {
  display: block;
  padding: 12px 20px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.9rem;
  text-align: center;
  color: var(--color-text);
  text-decoration: none;
  background: #fff;
  transition: var(--transition);
}
.service-nav a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  padding: 64px 0;
  border-top: 1px solid var(--color-border);
}
.service-detail:first-of-type { border-top: none; padding-top: 0; }
.service-detail.reverse { direction: rtl; }
.service-detail.reverse > * { direction: ltr; }
.service-detail-image img { border-radius: var(--radius); width: 100%; }
.service-detail-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.service-detail-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
  line-height: 1.4;
}
.service-detail-text { color: var(--color-text-muted); margin-bottom: 24px; line-height: 1.9; }
.service-feature-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}
.service-feature-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}
.service-industries {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--color-bg-gray);
  border-radius: var(--radius);
  font-size: 0.85rem;
}
.service-industries strong { display: block; margin-bottom: 6px; font-weight: 600; }

/* === Recruit Tables === */
.recruit-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 64px;
}
.recruit-intro-image img { border-radius: var(--radius); width: 100%; }
.recruit-job-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 48px 0 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}
.recruit-table { width: 100%; border-collapse: collapse; margin-bottom: 48px; }
.recruit-table th, .recruit-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
  text-align: left;
  vertical-align: top;
}
.recruit-table th {
  width: 160px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-bg-gray);
  white-space: nowrap;
}

.process-steps {
  display: flex;
  gap: 0;
  margin: 40px 0;
  flex-wrap: wrap;
}
.process-step {
  flex: 1;
  min-width: 140px;
  text-align: center;
  padding: 24px 16px;
  background: var(--color-bg-gray);
  position: relative;
}
.process-step:not(:last-child)::after {
  content: '›';
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--color-accent);
  z-index: 1;
}
.process-step-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.process-step-title { font-size: 0.9rem; font-weight: 600; color: var(--color-primary); }

.apply-section { text-align: center; padding: 48px 0; }
.apply-section p { color: var(--color-text-muted); margin-bottom: 24px; }

/* === Privacy === */
.privacy-content { max-width: 800px; margin: 0 auto; padding: 80px 24px; }
.privacy-content h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 40px 0 12px;
  padding-left: 12px;
  border-left: 3px solid var(--color-accent);
}
.privacy-content h2:first-of-type { margin-top: 0; }
.privacy-content p { color: var(--color-text-muted); margin-bottom: 12px; font-size: 0.95rem; line-height: 1.9; }
.privacy-content ul, .privacy-content ol {
  padding-left: 20px;
  margin-bottom: 12px;
}
.privacy-content ul { list-style: disc; }
.privacy-content ol { list-style: decimal; }
.privacy-content li { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 6px; line-height: 1.8; }
.privacy-content hr { border: none; border-top: 1px solid var(--color-border); margin: 32px 0; }
.privacy-date { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 48px; }

/* === Blog/Post === */
.site-main { min-height: 60vh; padding: 80px 0; }
.page-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 40px; }
.post-list { border-top: 1px solid var(--color-border); }
.post-item {
  display: flex;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}
.post-date { flex-shrink: 0; font-size: 0.85rem; color: var(--color-text-muted); }
.post-title a { font-size: 0.95rem; }
.post-title a:hover { color: var(--color-accent); }
.single-header { margin-bottom: 40px; }
.single-title { font-size: 1.6rem; font-weight: 700; margin-top: 8px; }
.single-content { line-height: 1.9; }
.single-content p { margin-bottom: 20px; }

/* === Footer === */
.site-footer {
  background: var(--color-primary);
  color: #fff;
  padding: 48px 24px;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.footer-logo img { height: 24px; width: auto; opacity: 0.9; }
.footer-nav ul { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.footer-nav a { font-size: 0.8rem; opacity: 0.7; transition: opacity var(--transition); }
.footer-nav a:hover { opacity: 1; }
.footer-copy { font-size: 0.75rem; opacity: 0.5; }

/* === Responsive === */
@media (max-width: 960px) {
  .service-cards { grid-template-columns: repeat(2, 1fr); }
  .about-inner, .recruit-inner, .recruit-intro { grid-template-columns: 1fr; gap: 40px; }
  .cta-cards { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; gap: 32px; }
  .service-detail.reverse { direction: ltr; }
}

@media (max-width: 640px) {
  body { padding-top: var(--header-height); }
  .nav-toggle { display: flex; }
  .nav-list {
    display: none;
    position: fixed;
    inset: var(--header-height) 0 0 0;
    background: #fff;
    flex-direction: column;
    gap: 0;
    padding: 24px;
    border-top: 1px solid var(--color-border);
    z-index: 99;
  }
  .nav-list.is-open { display: flex; }
  .nav-list a { display: block; padding: 14px 0; border-bottom: 1px solid var(--color-border); font-size: 1rem; }
  .nav-list .nav-contact { background: none; color: var(--color-primary); padding: 14px 0; border-radius: 0; }

  .hero { height: 480px; }
  .hero-title { font-size: 1.6rem; }
  .section { padding: 56px 0; }
  .service-cards { grid-template-columns: 1fr; }

  .info-table th { width: 120px; }
  .process-steps { flex-direction: column; }
  .process-step:not(:last-child)::after { content: '↓'; right: 50%; top: auto; bottom: -12px; transform: translateX(50%); }

  .privacy-content { padding: 48px 0; }
}