:root {
  --bg: #eef2f6;
  --surface: #ffffff;
  --ink: #142033;
  --muted: #5b6b7c;
  --line: #d5dee8;
  --navy: #0f2a44;
  --accent: #1f6f8b;
  --accent-soft: #d9eef4;
  --warn: #b45309;
  --warn-soft: #fff4e5;
  --ok: #0f766e;
  --shadow: 0 10px 30px rgba(15, 42, 68, 0.08);
  --radius: 14px;
  --font: "IBM Plex Sans JP", "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at top left, rgba(31, 111, 139, 0.12), transparent 36%),
    linear-gradient(180deg, #f7fafc 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: var(--font);
  min-height: 100%;
}

body {
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 3rem;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1.25rem;
}

.brand-block {
  display: grid;
  gap: 0.35rem;
}

.brand {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--navy);
  margin: 0;
}

.tagline {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 40rem;
}

.disclaimer {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  max-width: 40rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  color: var(--muted);
  font-size: 0.86rem;
  box-shadow: var(--shadow);
}

.meta-pill strong {
  color: var(--navy);
  font-family: var(--mono);
  font-weight: 600;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}

.stat .label {
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 0.35rem;
}

.stat .value {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.stat .hint {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  margin-bottom: 1rem;
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.85rem;
}

.panel-head h2 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--navy);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.filter-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: #f8fafc;
  color: var(--ink);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  font: inherit;
  font-size: 0.84rem;
  cursor: pointer;
  transition: 0.15s ease;
}

.filter-btn:hover {
  border-color: var(--accent);
}

.filter-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1rem;
}

.news-list {
  display: grid;
  gap: 0.85rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.05rem;
  background: linear-gradient(180deg, #fff 0%, #f9fbfd 100%);
}

.card-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  margin-bottom: 0.55rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.18rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: #134e63;
}

.badge.leak {
  background: var(--warn-soft);
  color: #9a3412;
}

.badge.ai {
  background: #e7f6f2;
  color: #0f766e;
}

.badge.reg {
  background: #eef2ff;
  color: #3730a3;
}

.badge.incident {
  background: #fef2f2;
  color: #9f1239;
}

.badge.supply {
  background: #f1f5f9;
  color: #334155;
}

.badge.measure {
  background: #ecfdf5;
  color: #047857;
}

.badge.vendor {
  background: #e0f2fe;
  color: #075985;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 0.55rem;
}

.service-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: #0c4a6e;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
}

.card-vendor .cause {
  border-left-color: #0284c7;
  background: #f0f9ff;
}

.badge.severity {
  background: #f8fafc;
  color: #475569;
}

.badge.severity.sev-high {
  background: #fef2f2;
  color: #b91c1c;
}

.badge.severity.sev-mid {
  background: #fff7ed;
  color: #c2410c;
}

.badge.severity.sev-low {
  background: #f0fdf4;
  color: #15803d;
}

.date {
  color: var(--muted);
  font-size: 0.78rem;
  font-family: var(--mono);
}

.card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  line-height: 1.45;
  color: var(--navy);
}

.card h3 a {
  color: inherit;
  text-decoration: none;
}

.card h3 a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.summary,
.cause,
.impact,
.insight {
  margin: 0;
  font-size: 0.92rem;
}

.summary {
  color: var(--ink);
  margin-bottom: 0.55rem;
}

.analysis {
  display: grid;
  gap: 0.45rem;
}

.cause,
.impact {
  color: #334155;
  background: #f4f8fb;
  border-left: 3px solid var(--accent);
  padding: 0.55rem 0.7rem;
  border-radius: 0 8px 8px 0;
}

.impact,
.impact-company {
  border-left-color: var(--warn);
  background: #fffaf3;
}

.impact-society {
  border-left-color: #0369a1;
  background: #f0f9ff;
}

.card-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.side-stack {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.cat-bars {
  display: grid;
  gap: 0.65rem;
}

.cat-row {
  display: grid;
  gap: 0.25rem;
}

.cat-row .row-top {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--muted);
}

.bar {
  height: 8px;
  background: #e8eef4;
  border-radius: 999px;
  overflow: hidden;
}

.bar > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--navy), var(--accent));
  border-radius: inherit;
}

.source-list,
.note-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.source-list li,
.note-list li {
  margin-bottom: 0.35rem;
}

.empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--muted);
}

.footer {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
}

@media (max-width: 900px) {
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 560px) {
  .shell {
    width: min(100% - 1.25rem, 1180px);
  }

  .stats {
    grid-template-columns: 1fr;
  }
}