:root {
  --bg: #f7fbf8;
  --paper: #ffffff;
  --ink: #12211d;
  --text: #2f3d38;
  --muted: #66746f;
  --line: #dce8e2;
  --accent: #009b72;
  --accent-2: #0f766e;
  --accent-soft: #e6f5ef;
  --blue-soft: #e7f0f7;
  --shadow: 0 18px 50px rgba(18, 33, 29, 0.08);
  --radius: 8px;
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 56px);
  background: rgba(255, 255, 255, 0.92);
  border-top: 4px solid var(--ink);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.brand span {
  color: var(--accent);
}

.site-header nav,
.footer nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}

.site-header nav a,
.footer nav a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.site-header nav a:hover,
.footer nav a:hover {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: stretch;
  max-width: 1160px;
  margin: 0 auto;
  padding: clamp(52px, 9vw, 98px) clamp(20px, 5vw, 56px) 52px;
}

.hero-copy {
  align-self: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  line-height: 1.35;
}

h1 {
  max-width: 850px;
  font-size: clamp(36px, 6vw, 70px);
  letter-spacing: 0;
}

h2 {
  font-size: clamp(26px, 3.5vw, 42px);
}

h3 {
  font-size: 20px;
}

.lead {
  max-width: 690px;
  margin: 24px 0 0;
  color: var(--text);
  font-size: clamp(17px, 2vw, 20px);
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

.button.primary:hover {
  background: var(--accent-2);
}

.button.secondary {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
}

.hero-panel {
  display: grid;
  gap: 14px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.metric {
  padding: 20px;
  background: linear-gradient(135deg, var(--accent-soft), #fff);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.metric-value {
  display: block;
  color: var(--ink);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.metric-label {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.section {
  max-width: 1160px;
  margin: 0 auto;
  padding: 66px clamp(20px, 5vw, 56px);
}

.section.alt {
  max-width: none;
  background: var(--paper);
  border-block: 1px solid var(--line);
}

.section.alt > * {
  max-width: 1048px;
  margin-inline: auto;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading p:not(.eyebrow) {
  margin: 12px 0 0;
  color: var(--muted);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.project-card,
.summary-card,
.status-card {
  min-height: 100%;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(18, 33, 29, 0.04);
}

.project-card.featured {
  border-left: 5px solid var(--accent);
}

.tag {
  display: inline-flex;
  margin: 0 0 14px;
  padding: 3px 9px;
  background: var(--accent-soft);
  color: var(--accent-2);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.project-card p,
.summary-card p,
.status-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.compact-stats,
.fact-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.compact-stats div,
.fact-list div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

dd {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  text-align: right;
}

.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--accent-2);
  font-weight: 900;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

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

.capability-list article {
  padding: 22px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.capability-list p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.link-list {
  display: grid;
  gap: 10px;
}

.link-list a {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.link-list a::after {
  content: "↗";
  color: var(--accent);
}

.contact {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius);
  margin-bottom: 48px;
}

.contact h2,
.contact .section-heading p:not(.eyebrow) {
  color: #fff;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.page-hero {
  max-width: 1160px;
  margin: 0 auto;
  padding: clamp(48px, 8vw, 84px) clamp(20px, 5vw, 56px) 36px;
}

.page-hero .lead {
  max-width: 780px;
}

.breadcrumb {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--accent-2);
  font-weight: 800;
  text-decoration: none;
}

.notice {
  margin-top: 24px;
  padding: 14px 16px;
  background: #fff9e6;
  border: 1px solid #f1dca4;
  border-radius: var(--radius);
  color: #65500f;
  font-size: 14px;
}

.project-list {
  display: grid;
  gap: 16px;
}

.wide-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  border-radius: var(--radius);
}

.wide-card p {
  margin: 8px 0 0;
  color: var(--muted);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.pill {
  padding: 4px 9px;
  background: var(--accent-soft);
  color: var(--accent-2);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.status-card strong {
  display: block;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.2;
}

.topic-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.topic-list li {
  list-style: none;
  padding: 13px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-weight: 800;
}

.topic-list ul {
  margin: 0;
  padding: 0;
}

@media (max-width: 980px) {
  .hero,
  .project-grid,
  .capability-list,
  .summary-grid,
  .status-grid {
    grid-template-columns: 1fr 1fr;
  }

  .wide-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header nav {
    gap: 12px;
  }

  .hero,
  .project-grid,
  .capability-list,
  .summary-grid,
  .status-grid,
  .topic-list {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
  }

  .link-list a,
  .compact-stats div,
  .fact-list div {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  dd {
    text-align: left;
  }
}