/* ベース */
* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
  line-height: 1.7;
  background: #f4efe5; /* 温かみのあるペーパー調 */
  color: #111111;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #033297;
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

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

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

h1,
h2,
h3,
h4 {
  font-weight: 600;
  letter-spacing: 0.03em;
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 0.8em;
}

section {
  padding: 56px 0;
}

.section-head {
  margin-bottom: 32px;
}

.section-head h2 {
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.section-head .section-lead {
  max-width: 640px;
  font-size: 0.95rem;
}

.section-head-center {
  text-align: center;
}

/* ヘッダー */
.site-header {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #ffffff 0, #da210c 60%, #7a1208 100%);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 0.9rem;
}

.brand-sub {
  font-size: 0.7rem;
  color: #707070;
}

.main-nav {
  display: flex;
  gap: 18px;
  font-size: 0.8rem;
}

.nav-link {
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.nav-link:hover,
.nav-link:focus {
  border-color: #033297;
}

.auth-links {
  display: flex;
  gap: 10px;
  font-size: 0.8rem;
}

.auth-link {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #033297;
  color: #033297;
}

.auth-primary {
  background: #033297;
  color: #ffffff;
}

.auth-link:hover,
.auth-link:focus {
  text-decoration: none;
  filter: brightness(1.05);
}

/* ヒーロー */
.hero {
  padding-top: 64px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 2.1fr) minmax(260px, 1.4fr);
  gap: 40px;
  align-items: flex-start;
}

.hero-copy h1 {
  font-size: 1.8rem;
  line-height: 1.5;
}

.hero-lead {
  font-size: 0.95rem;
}

.label {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #707070;
}

.search-form {
  margin-top: 24px;
  padding-top: 12px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.search-label {
  display: block;
  font-size: 0.75rem;
  margin-bottom: 6px;
  color: #707070;
}

.search-row {
  display: flex;
  gap: 10px;
}

.search-input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.16);
  background: #ffffff;
  font-size: 0.9rem;
}

.search-input:focus-visible {
  outline: 2px solid #033297;
  outline-offset: 1px;
}

.search-button {
  padding: 10px 20px;
  border-radius: 999px;
  border: none;
  background: #da210c;
  color: #ffffff;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

.search-button:hover,
.search-button:focus-visible {
  cursor: pointer;
  filter: brightness(1.05);
}

.search-note {
  font-size: 0.75rem;
  color: #707070;
  margin-top: 6px;
}

.hero-metrics {
  font-size: 0.85rem;
}

.metric-card {
  background: #11151e;
  color: #ffffff;
  padding: 20px 18px;
  border-radius: 12px;
}

.metric-card h2 {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.metric-list {
  margin: 16px 0 0;
}

.metric-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid rgba(230, 230, 230, 0.32);
  padding: 8px 0;
}

.metric-item dt {
  font-size: 0.78rem;
  color: #e6e6e6;
}

.metric-item dd {
  margin: 0;
  font-size: 0.78rem;
}

.metric-footnote {
  margin-top: 10px;
  font-size: 0.7rem;
  color: #e6e6e6;
}

/* 特長 */
.features {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 12px;
  padding: 18px 16px 18px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.feature-card h2 {
  font-size: 0.9rem;
}

.feature-card p {
  font-size: 0.8rem;
}

/* PICKUP */
.pickup {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.pickup-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.company-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 20px 18px 18px;
  border: 1px solid #e6e6e6;
}

.company-header {
  border-bottom: 1px solid #e6e6e6;
  margin-bottom: 14px;
  padding-bottom: 10px;
}

.company-tag {
  font-size: 0.75rem;
  color: #707070;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.company-name {
  font-size: 1rem;
}

.company-sub {
  font-size: 0.8rem;
  color: #707070;
}

.company-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 10px;
  font-size: 0.78rem;
  margin-bottom: 10px;
}

.company-meta div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.meta-label {
  color: #707070;
}

.meta-value {
  font-variant-numeric: tabular-nums;
}

.meta-split {
  grid-template-columns: 1fr;
}

.company-chart-placeholder {
  border-radius: 8px;
  border: 1px dashed rgba(3, 50, 151, 0.35);
  padding: 10px 12px;
  margin-bottom: 10px;
  background: #f7f4ee;
}

.chart-title {
  font-size: 0.78rem;
  margin-bottom: 4px;
}

.chart-list {
  padding-left: 16px;
  margin: 0;
  font-size: 0.78rem;
}

.company-voice h4 {
  font-size: 0.86rem;
  margin-bottom: 4px;
}

.voice-text {
  font-size: 0.8rem;
}

.voice-meta {
  font-size: 0.75rem;
  color: #707070;
}

.compare-list {
  margin: 0 0 6px;
  padding-left: 18px;
  font-size: 0.8rem;
}

.voice-note {
  font-size: 0.7rem;
  color: #707070;
}

.pickup-cta {
  margin-top: 28px;
}

.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 260px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid #033297;
  font-size: 0.9rem;
}

/* 業界・エリア */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.industry-column {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 12px;
  padding: 16px 18px;
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.industry-column h3 {
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.industry-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.8rem;
}

.industry-column li + li {
  margin-top: 3px;
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.area-block {
  border-radius: 12px;
  border: 1px solid #e6e6e6;
  padding: 12px 14px;
  background: #ffffff;
}

.area-block h3 {
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.area-block p {
  font-size: 0.78rem;
}

/* ガイド */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.guide-card {
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid #e6e6e6;
  padding: 16px 16px 14px;
  font-size: 0.8rem;
}

.guide-card h3 {
  font-size: 0.9rem;
}

.guide-card ol,
.guide-card ul {
  padding-left: 18px;
  margin: 0;
}

/* 人事向け */
.for-hr {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.for-hr-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

/* ビジョン */
.vision-panel {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 24px 22px;
  border-radius: 14px;
  border: 1px solid #033297;
  background: #ffffff;
  font-size: 0.9rem;
}

/* フッター */
.site-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  background: #11151e;
  color: #e6e6e6;
  padding: 14px 0;
  font-size: 0.75rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.footer-credit a {
  color: #ffffff;
}

.footer-credit a:hover,
.footer-credit a:focus {
  text-decoration: underline;
}

/* レスポンシブ */
@media (max-width: 960px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 10px 16px;
  }

  .main-nav {
    order: 3;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-metrics {
    max-width: 420px;
  }

  .features-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pickup-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .industry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .area-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .guide-grid,
  .for-hr-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .header-inner {
    align-items: flex-start;
  }

  .main-nav {
    font-size: 0.75rem;
  }

  .auth-links {
    margin-left: auto;
  }

  .features-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .industry-grid,
  .area-grid,
  .guide-grid,
  .for-hr-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .section-head h2 {
    font-size: 1.2rem;
  }

  section {
    padding: 40px 0;
  }

  .vision-panel {
    padding: 18px 16px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}