:root {
  --color-primary: #144a8b;
  --color-primary-dark: #0f3869;
  --color-accent: #2d6ec4;
  --color-bg: #f6f8fb;
  --color-bg-alt: #eef3f9;
  --color-text: #1f2a37;
  --color-subtext: #5c6b7a;
  --color-white: #ffffff;
  --color-border: #d9e1ea;
  --shadow-soft: 0 12px 30px rgba(20, 74, 139, 0.08);
  --radius: 18px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.8;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 16px;
}

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

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(100% - 32px, 900px);
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: var(--color-bg);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 40px;
}

.section-label {
  display: inline-block;
  margin: 0 0 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.section-heading h2 {
  margin: 0 0 14px;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 1.25;
}

.section-heading p,
.section-note,
.hero-lead,
.card p,
.flow-item p,
.interview-copy p,
.gallery-item figcaption,
.contact-lead,
.company-card p {
  color: var(--color-subtext);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(217, 225, 234, 0.9);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}

.site-subtitle {
  font-size: 0.82rem;
  color: var(--color-subtext);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.site-nav a {
  font-size: 0.95rem;
  color: var(--color-subtext);
  transition: color 0.2s ease;
}

.site-nav .nav-cta {
  color: var(--color-primary);
  font-weight: 700;
}

.hero {
  padding: 72px 0 60px;
  background:
    linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 480px;
  gap: 64px;
  align-items: center;
}

.hero-label {
  margin: 0 0 14px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-lead {
  margin: 0 0 26px;
  font-size: 1.03rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

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

.button-primary:hover {
  background: var(--color-primary-dark);
}

.button-secondary {
  background: var(--color-white);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
}

.hero-points li {
  padding: 10px 14px;
  background: rgba(20, 74, 139, 0.08);
  color: var(--color-primary);
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 700;
}

.hero-visual img {
  width: 100%;
  box-shadow: var(--shadow-soft);
}

.card-grid {
  display: grid;
  gap: 24px;
}

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

.card,
.flow-item,
.mini-card,
.company-card,
.gallery-item,
.contact-box,
.fit-box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.card,
.flow-item,
.mini-card,
.company-card,
.fit-box {
  padding: 28px;
}

.card h3,
.flow-item h3,
.interview-copy h3,
.company-card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.2rem;
  line-height: 1.4;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 36px;
  align-items: center;
}

.split-grid img {
  width: 100%;
}
.text-block + .text-block {
  margin-top: 24px;
}

.text-block h3 {
  margin: 0 0 10px;
  font-size: 1.16rem;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
  font-weight: 800;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.flow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: rgba(20, 74, 139, 0.1);
  color: var(--color-primary);
  font-weight: 800;
}

.interview-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: start;
}

.interview-copy,
.interview-points {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-soft);
}

.interview-kicker {
  margin: 0 0 10px;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.95rem;
}

.interview-copy h3 {
  font-size: 1.8rem;
  margin-bottom: 18px;
}

.interview-points {
  display: grid;
  gap: 18px;
}

.mini-card h4 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--color-primary);
}

.mini-card p {
  margin: 0;
  color: var(--color-subtext);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.gallery-item {
  overflow: hidden;
}

.gallery-item img {
  width: 100%;
  border-radius: 16px 16px 0 0;
}

.gallery-item figcaption {
  padding: 16px 18px 18px;
  font-size: 0.96rem;
}

.section-note {
  margin-top: 28px;
  text-align: center;
}

.recruit-table {
  display: grid;
  gap: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.recruit-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--color-border);
}

.recruit-row:last-child {
  border-bottom: none;
}

.recruit-row dt,
.recruit-row dd {
  margin: 0;
  padding: 20px 24px;
}

.recruit-row dt {
  background: #f2f6fb;
  font-weight: 700;
  color: var(--color-primary);
}

.recruit-row dd {
  background: var(--color-white);
  color: var(--color-text);
}

.company-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
}

.company-list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.company-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.company-list div:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.company-list dt {
  font-weight: 700;
  color: var(--color-primary);
}

.company-list dd {
  margin: 0;
}

.contact-section {
  background: linear-gradient(180deg, #f2f7fd 0%, #e8f0fb 100%);
}

.contact-box {
  text-align: center;
  padding: 44px 28px;
}

.contact-label {
  margin: 0 0 10px;
  font-size: 0.84rem;
  letter-spacing: 0.14em;
  font-weight: 800;
  color: var(--color-accent);
}

.contact-box h2 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.3;
}

.contact-info {
  margin-top: 26px;
  color: var(--color-subtext);
}

.contact-info p {
  margin: 4px 0;
}

.site-footer {
  padding: 28px 0;
  background: #0f1f33;
  color: rgba(255, 255, 255, 0.86);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-title {
  margin: 0 0 8px;
  font-weight: 800;
  color: var(--color-white);
}

@media (max-width: 1024px) {
  .hero-grid,
  .split-grid,
  .interview-card,
  .company-grid {
    grid-template-columns: 1fr;
  }

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

  .recruit-row {
    grid-template-columns: 180px 1fr;
  }
}

@media (max-width: 768px) {
  .site-nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .site-nav a {
    padding: 5px 8px;
    font-size: 0.88rem;
    line-height: 1.25;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    text-align: center;
  }

  .site-nav .nav-cta {
    color: var(--color-primary);
    font-weight: 700;
  }

  .contact-actions {
    flex-direction: column;
  }

  .contact-actions .button {
    width: 100%;
  }

  .section {
    padding: 68px 0;
  }

  .header-inner {
    align-items: flex-start;
    padding: 14px 0;
    flex-direction: column;
  }


  .hero {
    padding-top: 42px;
  }

  .card-grid.three,
  .flow-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .recruit-row {
    grid-template-columns: 1fr;
  }

  .recruit-row dt {
    padding-bottom: 10px;
  }

  .recruit-row dd {
    padding-top: 0;
  }

  .interview-copy,
  .interview-points,
  .card,
  .flow-item,
  .company-card,
  .fit-box,
  .contact-box {
    padding: 24px;
  }

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

.environment-support-image {
  max-width: 320px;
  margin: 0 auto 24px;
}

.environment-support-image img {
  width: 100%;
  display: block;
  border-radius: 16px;
}

.environment-support-text {
  max-width: 320px;
  margin: 0 auto;
}

.hero-visual {
  width: 100%;
  max-width: 480px;
  margin-left: auto;
}

.hero-visual img {
  width: 100%;
}