:root {
  --accent: #2f6f9f;
  --accent-dark: #244f74;
  --accent-soft: #eef5fb;
  --line: #d7e1ea;
  --text: #24323d;
  --muted: #5f6f7f;
  --bg-top: #f8fbfd;
  --bg-bottom: #edf3f7;
  --card: rgba(255, 255, 255, 0.98);
  --warn: #8a5a00;
  --warn-soft: #fff7e6;
  --warn-line: #efd08b;
  --danger: #9a3b38;
  --danger-soft: #fdf0ef;
  --danger-line: #efc0bb;
  --shadow: 0 14px 34px rgba(28, 53, 61, 0.08);
  --radius: 20px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  color: var(--text);
  line-height: 1.7;
  background:
    radial-gradient(circle at top left, rgba(47, 111, 159, 0.08), transparent 26%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a { color: var(--accent); }
[hidden] { display: none !important; }

.page-shell { width: min(1240px, calc(100% - 24px)); margin: 0 auto; padding: 20px 0 40px; }
.back-link { display: inline-flex; margin-bottom: 16px; text-decoration: none; font-weight: 700; }
.back-link:hover, .back-link:focus-visible { text-decoration: underline; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero, .toolbar, .section-card { padding: 24px; }
.hero { margin-bottom: 18px; }

.eyebrow, .section-label, .relation-badge, .state-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  font-weight: 700;
}

.eyebrow, .section-label {
  padding: 6px 12px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.82rem;
}

h1, h2, h3, p { margin: 0; }
h1 { margin-top: 14px; font-size: clamp(1.95rem, 4vw, 2.8rem); line-height: 1.35; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; }
.hero-text, .section-text, .block-text, .consultation-text, .mini-help { color: var(--muted); }

.notice-stack, .people-list, .status-area, .error-area, .ownership-stack, .ownership-cards, .family-tree, .result-block {
  display: grid;
  gap: 12px;
}

.notice-stack { margin-top: 18px; }
.notice-card, .status-message, .error-message, .summary-box, .ownership-before {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.notice-card { background: #f8fbfd; }
.notice-card-warning { background: var(--warn-soft); border-color: var(--warn-line); color: var(--warn); }
.status-message { color: var(--accent-dark); background: var(--accent-soft); border-color: #cddceb; }
.error-message { color: var(--danger); background: var(--danger-soft); border-color: var(--danger-line); }
.summary-box, .ownership-before { background: #f8fbfe; }

.toolbar, .toolbar-group, .action-row, .tab-nav, .tree-row, .person-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.toolbar { justify-content: space-between; margin-bottom: 16px; }
#importJsonInput { position: absolute; opacity: 0; pointer-events: none; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; align-items: start; }
.input-column, .result-column { display: grid; gap: 18px; }
.section-head { display: grid; gap: 6px; margin-bottom: 18px; }

.person-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fbfdff;
  padding: 18px;
}

.person-card-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.person-card-title { display: grid; gap: 8px; }
.state-badge { padding: 4px 10px; background: #f1f6fb; color: var(--accent-dark); font-size: 0.8rem; }
.state-badge.is-deceased { background: #eef0f2; color: #52616d; }
.relation-badge { padding: 4px 10px; background: #f6f8fa; color: var(--muted); font-size: 0.8rem; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 700; }

.field input, .field select, .field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid #c7d4de;
  border-radius: 14px;
  background: #fff;
  color: var(--text);
}

.field textarea { min-height: 96px; resize: vertical; }

.field input:focus, .field select:focus, .field textarea:focus,
.tab-button:focus-visible, .primary-button:focus-visible, .secondary-button:focus-visible,
.ghost-button:focus-visible, .danger-button:focus-visible, .file-button:focus-visible {
  outline: 3px solid rgba(47, 111, 159, 0.15);
  outline-offset: 1px;
  border-color: var(--accent);
}

.mini-help { font-size: 0.82rem; }
.action-row { margin-top: 18px; }

.primary-button, .secondary-button, .ghost-button, .danger-button, .file-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.primary-button { background: linear-gradient(135deg, var(--accent), #376f98); color: #fff; }
.secondary-button { background: var(--accent-soft); color: var(--accent-dark); border-color: #d5e2ee; }
.ghost-button, .file-button { background: #fff; color: var(--text); border-color: var(--line); }
.danger-button { background: #fff5f5; color: var(--danger); border-color: #efcecb; }
.primary-button:hover, .secondary-button:hover, .ghost-button:hover, .danger-button:hover, .file-button:hover { transform: translateY(-1px); }

.tab-button {
  min-height: 42px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-weight: 700;
}

.tab-button.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }
.table-wrap { overflow-x: auto; }
table { width: 100%; min-width: 620px; border-collapse: collapse; }
th, td { padding: 12px 10px; border-bottom: 1px solid #e7edf2; text-align: left; vertical-align: top; }
th { font-size: 0.88rem; color: var(--muted); }

.tree-level { display: grid; gap: 10px; }
.tree-level-title, .mini-title { font-size: 0.88rem; color: var(--muted); font-weight: 700; }
.tree-node, .ownership-card, .consultation-box, .empty-state {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}

.tree-node { min-width: 180px; max-width: 240px; padding: 14px; }
.tree-node.is-decedent { border-color: #9bbedd; background: var(--accent-soft); }
.tree-node.is-deceased { background: #f4f5f6; }
.tree-node-name { font-weight: 700; }
.tree-node-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.tree-node-text { margin-top: 8px; color: var(--muted); font-size: 0.88rem; }

.ownership-bar {
  display: flex;
  min-height: 52px;
  border-radius: 999px;
  overflow: hidden;
  background: #eaf0f4;
  border: 1px solid var(--line);
}

.ownership-segment {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  text-align: center;
}

.ownership-card, .consultation-box, .empty-state { padding: 14px; }
.note-list { display: grid; gap: 10px; padding-left: 20px; margin: 0; }
.consultation-box { background: linear-gradient(180deg, #f6fbff 0%, #eff6fb 100%); }
.consultation-title { font-weight: 700; }
.consultation-link { margin-top: 14px; width: fit-content; }
.empty-state { border-style: dashed; color: var(--muted); background: #fbfdff; }

@media (max-width: 1080px) {
  .layout { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .page-shell { width: min(100% - 14px, 1240px); padding: 14px 0 28px; }
  .hero, .toolbar, .section-card { padding: 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .toolbar, .toolbar-group, .action-row { flex-direction: column; }
  .primary-button, .secondary-button, .ghost-button, .danger-button, .file-button, .tab-button,
  .field input, .field select, .field textarea { font-size: 16px; }
  .person-card-header { flex-direction: column; }
  .tree-node { min-width: 100%; max-width: none; }
}

@media print {
  body { background: #fff; }
  .back-link, .toolbar, .input-column, .tab-nav, .status-area, .error-area { display: none !important; }
  .layout { grid-template-columns: 1fr; }
  .result-column, .result-card, .tab-panel { display: block !important; }
  .result-card { border: none; box-shadow: none; padding: 0; }
  .tab-panel { page-break-inside: avoid; margin-bottom: 24px; }
}