:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #667085;
  --line: #d9e1ea;
  --accent: #0f766e;
  --accent-strong: #0b5d57;
  --good: #0f8a4b;
  --bad: #b42318;
  --warn: #b76e00;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Yu Gothic UI", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
  letter-spacing: 0;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px clamp(16px, 4vw, 42px);
  background: #102a2b;
  color: #fff;
}

.eyebrow {
  margin: 0 0 4px;
  color: #9dd6ca;
  font-size: 0.78rem;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
}

.header-actions {
  display: flex;
  gap: 8px;
}

.icon-button {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  cursor: pointer;
}

main {
  width: min(1180px, calc(100% - 24px));
  margin: 22px auto 48px;
}

.controls {
  display: grid;
  grid-template-columns: auto minmax(150px, 190px) minmax(220px, 1fr) minmax(150px, 190px);
  gap: 12px;
  align-items: end;
  margin-bottom: 18px;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.8rem;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 11px;
  background: #fff;
  color: var(--ink);
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.segmented button {
  min-width: 92px;
  border: 0;
  padding: 10px 12px;
  background: #edf3f3;
  color: var(--ink);
  cursor: pointer;
}

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

.view {
  display: none;
}

.view.active {
  display: block;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 22px 2px 12px;
}

.section-title h2 {
  margin-bottom: 0;
}

.section-title p {
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 0.92rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.summary-card,
.report-card,
.detail-hero,
.request-form {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.summary-card {
  padding: 14px;
}

.summary-card span,
.summary-card small {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.summary-card strong {
  display: block;
  margin: 5px 0;
  font-size: 1.42rem;
}

.table-wrap {
  overflow-x: auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 12px 13px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  background: #f1f5f7;
  font-size: 0.82rem;
}

tr.clickable {
  cursor: pointer;
}

tr.clickable:hover,
.report-card:hover {
  background: #f7fbfb;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 12px;
}

.report-card {
  padding: 14px;
  cursor: pointer;
}

.report-card h3 {
  margin-bottom: 6px;
  font-size: 1rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.84rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 9px;
  border-radius: 999px;
  background: #e7f3f1;
  color: var(--accent-strong);
  font-size: 0.78rem;
}

.stat-line {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.stat-line div {
  padding: 9px;
  border-radius: 8px;
  background: #f2f6f7;
}

.stat-line span {
  display: block;
  color: var(--muted);
  font-size: 0.74rem;
}

.positive {
  color: var(--good);
}

.negative {
  color: var(--bad);
}

.source-strip {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.78rem;
}

.source-strip strong {
  color: var(--accent-strong);
  white-space: nowrap;
}

.detail-hero {
  padding: 18px;
  margin: 12px 0;
}

.detail-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.detail-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.detail-tabs button,
.text-button {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 12px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

.detail-tabs button.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.confidence-panel {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid #c9e5df;
  border-radius: 8px;
  background: #eef8f6;
}

.confidence-panel div {
  min-width: 120px;
}

.confidence-panel span {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}

.confidence-panel strong {
  display: block;
  color: var(--accent-strong);
  font-size: 1.35rem;
}

.confidence-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.source-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.84rem;
}

.source-list a,
.source-list em {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  background: #f1f5f7;
  color: var(--accent-strong);
  font-style: normal;
  text-decoration: none;
}

.source-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.request-form {
  display: grid;
  gap: 14px;
  padding: 18px;
  max-width: 680px;
}

.request-form button {
  justify-self: start;
  border: 0;
  border-radius: 8px;
  padding: 11px 18px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.form-message {
  margin-top: 12px;
  color: var(--good);
}

.empty-state {
  padding: 22px;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

@media (max-width: 780px) {
  .app-header,
  .section-title,
  .detail-top {
    align-items: stretch;
    flex-direction: column;
  }

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

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

@media (max-width: 460px) {
  main {
    width: min(100% - 16px, 1180px);
  }

  .summary-grid,
  .stat-line {
    grid-template-columns: 1fr;
  }
}