/* 地域資産再生ページ専用：ネイビー・ブルーグレー、余白多め、静かで知的なトーン */
body.regional-asset-page {
  --ra-navy: #1a2332;
  --ra-navy-deep: #0f1623;
  --ra-bluegrey: #4a5568;
  --ra-bluegrey-light: #718096;
  --ra-bg: #f5f6f8;
  --ra-bg-alt: #eef0f4;
  --ra-text: #1a2332;
  --ra-text-soft: #2d3748;
  --ra-muted: #64748b;
  --ra-line: rgba(26, 35, 50, .12);
  --ra-accent: #334155;
  --ra-space:  clamp(48px, 10vw, 96px);
  --ra-font: "Noto Sans JP", ui-sans-serif, system-ui, -apple-system, sans-serif;
  background: var(--ra-bg);
  color: var(--ra-text);
  font-family: var(--ra-font);
}

.regional-asset-page .site-header,
.regional-asset-page .site-footer {
  background: var(--ra-navy);
  border-bottom-color: rgba(255,255,255,.08);
}
.regional-asset-page .site-footer {
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: none;
}
.regional-asset-page .site-header[data-stuck="1"] {
  background: var(--ra-navy-deep);
}
.regional-asset-page .nav a:not(.btn):hover,
.regional-asset-page .footer-right a:hover {
  color: rgba(255,255,255,.9);
}
.regional-asset-page .brand-text,
.regional-asset-page .footer-right a {
  color: rgba(255,255,255,.85);
}
.regional-asset-page .site-footer .muted {
  color: rgba(255,255,255,.6);
}

/* Hero */
.ra-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--ra-space) 0;
  background: var(--ra-navy-deep);
  background-image: url("images/regional-asset.webp");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  text-align: center;
  overflow: hidden;
}
.ra-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 22, 35, .55);
  pointer-events: none;
}
.ra-hero .container {
  position: relative;
  z-index: 1;
  text-align: center;
}
.ra-hero .ra-eyebrow {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--ra-bluegrey-light);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.ra-hero h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 20px;
}
.ra-hero .ra-lead {
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.8;
  color: rgba(255,255,255,.78);
  margin: 0;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* Section common（幅は内側の .container で指定） */
.ra-section {
  padding: var(--ra-space) 0;
}
.ra-section-alt {
  background: var(--ra-bg-alt);
}
.ra-section-title {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--ra-muted);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.ra-section h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: var(--ra-text);
  margin: 0 0 32px;
  line-height: 1.4;
}

/* Story */
.ra-story p {
  font-size: 16px;
  line-height: 2;
  color: var(--ra-text-soft);
  margin: 0 0 1.6em;
}
.ra-story p:last-child {
  margin-bottom: 0;
}
.ra-story-logo-inline {
  display: inline-block;
  vertical-align: middle;
  height: 1.35em;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  object-position: center;
  margin: 0 .2em;
}

/* Structure diagram */
.ra-structure {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 40px 24px;
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--ra-line);
  box-shadow: 0 4px 24px rgba(26,35,50,.06);
}
@media (min-width: 640px) {
  .ra-structure {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 24px 32px;
  }
}
.ra-structure-box {
  padding: 28px 36px;
  background: var(--ra-bg);
  border-radius: 12px;
  border: 1px solid var(--ra-line);
  text-align: center;
  min-width: 200px;
  width: 100%;
  max-width: 280px;
}
@media (min-width: 640px) {
  .ra-structure-box {
    width: auto;
    max-width: none;
  }
}
.ra-structure-box strong {
  display: block;
  font-size: 15px;
  color: var(--ra-text);
  margin-bottom: 6px;
}
.ra-structure-box span {
  font-size: 13px;
  color: var(--ra-muted);
}
.ra-structure-x {
  font-size: 20px;
  color: var(--ra-bluegrey-light);
  font-weight: 300;
}

/* Why / List block */
.ra-why-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ra-why-list li {
  padding: 20px 0;
  border-bottom: 1px solid var(--ra-line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ra-text-soft);
}
.ra-why-list li:last-child {
  border-bottom: none;
}
.ra-why-list strong {
  display: block;
  font-size: 14px;
  color: var(--ra-text);
  margin-bottom: 6px;
}

/* Future */
.ra-future-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ra-future-list li {
  padding: 14px 0;
  padding-left: 24px;
  position: relative;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ra-text-soft);
}
.ra-future-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ra-bluegrey);
}

/* CTA */
.ra-cta {
  text-align: center;
  padding: var(--ra-space) 0;
  background: var(--ra-navy);
  color: #fff;
}
.ra-cta h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px;
}
.ra-cta p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,.8);
  margin: 0 0 28px;
}
.ra-cta .ra-btn {
  display: inline-block;
  padding: 14px 32px;
  background: #fff;
  color: var(--ra-navy);
  font-weight: 600;
  font-size: 14px;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity .2s ease;
}
.ra-cta .ra-btn:hover {
  opacity: .92;
  text-decoration: none;
}

/* Back link */
.ra-back {
  padding: 24px 0;
  font-size: 14px;
}
.ra-back a {
  color: var(--ra-muted);
  text-decoration: none;
}
.ra-back a:hover {
  color: var(--ra-text);
  text-decoration: underline;
}
