:root {
  --bg: #f2f4f7;
  --bg-accent: #eef2ff;
  --card-bg: #ffffff;
  --text: #14171f;
  --muted: #6b7280;
  --muted-2: #9aa1ac;
  --border: #e5e7ee;
  --accent-1: #4f46e5;
  --accent-2: #14b8a6;
  --accent-soft: #eef0ff;
  --accent-gold: #b8860b;
  --accent-gold-2: #e8b923;
  --error-bg: #fdecec;
  --error-text: #b3261e;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.04);
  --shadow-md: 0 8px 24px rgba(16, 24, 40, 0.08);
  --radius: 18px;
  --sim-band: rgba(79, 70, 229, 0.07);
  --sim-band-mid: rgba(79, 70, 229, 0.15);
  --sim-optimistic: #c7d2fe;
  --sim-median: #818cf8;
  --sim-conservative: #4338ca;
  --sim-principal: #b3b8c2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --bg-accent: #14162080;
    --card-bg: #191b22;
    --text: #eceef4;
    --muted: #9aa1ac;
    --muted-2: #767c88;
    --border: #262933;
    --accent-1: #818cf8;
    --accent-2: #5eead4;
    --accent-soft: #21243a;
    --accent-gold: #e8b923;
    --accent-gold-2: #f6d365;
    --error-bg: #34191a;
    --error-text: #ff8f87;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45);
    --sim-band: rgba(129, 140, 248, 0.10);
    --sim-band-mid: rgba(129, 140, 248, 0.20);
    --sim-optimistic: #3730a3;
    --sim-median: #818cf8;
    --sim-conservative: #c7d2fe;
    --sim-principal: #4b5160;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 20% -10%, var(--bg-accent), transparent),
    var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Yu Gothic", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

/* デスクトップ幅では横のスペースを活かすため、ページ全体の最大幅を広げる。
   実際の2カラム化は .tool-layout / .tool-card-grid 側で個別に制御する。 */
@media (min-width: 900px) {
  .page { max-width: 1040px; padding: 2.5rem 2rem 5rem; }
}

header { margin-bottom: 1.75rem; }

.eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-1);
  margin-bottom: 0.5rem;
}

header h1 {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
  background: linear-gradient(90deg, var(--text), var(--text) 60%, var(--accent-1));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

.status-bar {
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: inline-block;
}

/* デスクトップでは「入力フォーム」を左カラムに固定し、「結果」を右カラムに
   表示する2カラムレイアウトにする。モバイル/タブレットでは通常の縦積み。 */
@media (min-width: 900px) {
  .tool-layout {
    display: grid;
    grid-template-columns: minmax(320px, 420px) 1fr;
    gap: 1.5rem;
    align-items: start;
  }

  .tool-layout > .card:first-child {
    position: sticky;
    top: 5.5rem;
  }
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.65rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 1.1rem;
  letter-spacing: -0.01em;
}

.field { margin-bottom: 1.1rem; }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--muted);
}

.optional {
  font-weight: 400;
  color: var(--muted-2);
  font-size: 0.72rem;
}

select, input[type="number"] {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

select:focus, input[type="number"]:focus {
  outline: none;
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-1) 20%, transparent);
}

.segmented {
  display: flex;
  flex-wrap: wrap;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 0.25rem;
  gap: 0.25rem;
}

.segmented-option {
  margin: 0;
  position: relative;
  flex: 1 1 auto;
}

.segmented-option input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}

.segmented-option span {
  display: block;
  padding: 0.4rem 1.4rem;
  border-radius: 7px;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--muted);
  text-align: center;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}

@media (max-width: 480px) {
  .segmented-option span {
    padding: 0.4rem 0.6rem;
    font-size: 0.82rem;
  }
}

.segmented-option input:checked + span {
  background: var(--accent-1);
  color: #fff;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--text);
  font-size: 0.9rem;
  margin: 0.2rem 0 1.3rem;
  cursor: pointer;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent-1, #4f46e5);
  margin-top: 0.3rem;
}

.range-value-display {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.4rem;
  font-weight: 600;
}

.range-value-display span {
  color: var(--text);
  font-size: 1rem;
}

.checkbox-label input {
  width: 17px;
  height: 17px;
  accent-color: var(--accent-1);
}

button {
  width: 100%;
  padding: 0.85rem;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 0.98rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--accent-1) 35%, transparent);
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}

button:hover { transform: translateY(-1px); box-shadow: 0 6px 18px color-mix(in srgb, var(--accent-1) 45%, transparent); }
button:active { transform: translateY(0); }
button:disabled { opacity: 0.55; cursor: default; transform: none; box-shadow: none; }

.result { animation: rise 0.25s ease; }

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.price-hero {
  text-align: center;
  padding: 0.5rem 0 1.4rem;
}

.price-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.price-main {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.25;
}

.price-sub {
  font-size: 0.85rem;
  color: var(--muted);
}

.range-visual { margin-bottom: 1.5rem; }

.range-track {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
  overflow: visible;
}

.range-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 15%;
  right: 15%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  opacity: 0.35;
}

.range-marker {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-1);
  border: 3px solid var(--card-bg);
  box-shadow: 0 0 0 1px var(--accent-1);
  transform: translate(-50%, -50%);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.range-caption {
  color: var(--muted-2);
  font-size: 0.72rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

.stat-chip {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.7rem 0.85rem;
}

.stat-chip-label {
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.stat-chip-value {
  font-size: 0.92rem;
  font-weight: 700;
}

.market-condition {
  font-size: 0.82rem;
  color: var(--muted);
  margin: -0.4rem 0 1.1rem;
}

.year-chart {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.year-row {
  display: grid;
  grid-template-columns: 3.2rem 1fr 7.5rem;
  align-items: center;
  gap: 0.7rem;
}

.year-row-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
}

.year-bar-track {
  position: relative;
  height: 20px;
  background: var(--bg);
  border-radius: 6px;
  overflow: hidden;
}

.year-bar-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
}

.year-bar-fill.low-confidence {
  background: linear-gradient(90deg, var(--muted-2), var(--muted-2));
  opacity: 0.55;
}

.year-row-value {
  font-size: 0.78rem;
  color: var(--text);
  text-align: right;
  line-height: 1.3;
}

.year-row-value .n {
  display: block;
  color: var(--muted-2);
  font-size: 0.7rem;
}

.year-row-empty {
  font-size: 0.78rem;
  color: var(--muted-2);
  text-align: right;
}

.error {
  background: var(--error-bg);
  color: var(--error-text);
  border-color: transparent;
  font-size: 0.9rem;
}

p.error {
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
}

#hazard-check-btn {
  margin-top: 0.5rem;
  width: auto;
  padding: 0.6rem 1.4rem;
}

.hazard-subheading {
  font-size: 1rem;
  font-weight: 700;
  margin: 1.25rem 0 0.6rem;
}

.map-tabs {
  display: inline-flex;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 0.2rem;
  gap: 0.2rem;
  margin-bottom: 0.6rem;
}

.map-tab {
  background: transparent;
  color: var(--muted);
  box-shadow: none;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 1rem;
  border-radius: 7px;
  width: auto;
  margin: 0;
}

.map-tab:hover { transform: none; box-shadow: none; }

.map-tab.active {
  background: var(--accent-1);
  color: #fff;
}

#hazard-map {
  height: 320px;
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.hazard-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 0.2rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}

.hazard-row:last-child { border-bottom: none; }

.hazard-row-icon {
  font-size: 1.3rem;
  width: 2rem;
  text-align: center;
  flex-shrink: 0;
}

.hazard-row-label {
  flex: 1;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
}

.hazard-row-grade {
  font-weight: 800;
  font-size: 1.1rem;
  width: 1.4rem;
  text-align: center;
  flex-shrink: 0;
}

.hazard-row-grade.grade-A, .hazard-row-grade.grade-B { color: #1a9c5c; }
.hazard-row-grade.grade-C { color: var(--accent-gold); }
.hazard-row-grade.grade-D, .hazard-row-grade.grade-E { color: #d94f4f; }

.hazard-row-stars {
  font-size: 0.85rem;
  letter-spacing: 1px;
  color: var(--accent-gold);
  flex-shrink: 0;
  white-space: nowrap;
}

.hazard-row-chevron {
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.hazard-row.expanded .hazard-row-chevron { transform: rotate(90deg); }

.hazard-row-detail {
  padding: 0 0.2rem 0.9rem 2.8rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.hazard-row-detail:last-child { border-bottom: none; }

/* 海外移住先ランキング */
.migration-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0.3rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
}
.migration-row:last-child { border-bottom: none; }

.migration-rank {
  font-family: var(--mono, monospace);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  width: 1.6rem;
  flex-shrink: 0;
}
.migration-row:first-child .migration-rank { color: var(--accent-gold); }

.migration-main { flex: 1; min-width: 0; }
.migration-name { font-weight: 700; font-size: 0.98rem; color: var(--text); }
.migration-country { font-size: 0.78rem; color: var(--muted); }
.migration-stats {
  font-size: 0.76rem;
  color: var(--muted);
  margin-top: 0.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.migration-score {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-1);
  flex-shrink: 0;
  text-align: right;
  min-width: 3.2rem;
}
.migration-score small { display: block; font-size: 0.62rem; font-weight: 600; color: var(--muted); }

.migration-detail {
  padding: 0 0.3rem 1rem 2.6rem;
  border-bottom: 1px solid var(--border);
}
.migration-detail:last-child { border-bottom: none; }
.migration-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.5rem;
  font-size: 0.78rem;
}
.migration-detail-grid div { color: var(--muted); }
.migration-detail-grid b { color: var(--text); }
.migration-note { font-size: 0.74rem; color: var(--muted); margin-top: 0.5rem; }

/* 国内都市との生活費比較 */
.domestic-coli-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.domestic-coli-row {
  display: grid;
  grid-template-columns: 1.6rem 9rem 1fr 3.6rem;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.85rem;
  padding: 0.3rem 0;
}
.domestic-coli-header {
  font-size: 0.72rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
}
.domestic-coli-rank { color: var(--muted); font-variant-numeric: tabular-nums; }
.domestic-coli-name { display: flex; flex-direction: column; gap: 0.1rem; }
.domestic-coli-type { font-size: 0.68rem; color: var(--muted); }
.domestic-coli-track {
  height: 7px;
  border-radius: 99px;
  background: var(--border);
  overflow: hidden;
}
.domestic-coli-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-gold));
  border-radius: 99px;
}
.domestic-coli-value { font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }

/* 海外移住先ランキング(独立ページ) */
.migration-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}

.migration-card {
  position: relative;
  border: 1px solid var(--border);
  background: var(--bg);
  border-radius: 14px;
  padding: 1.1rem 1.2rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.migration-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--accent-1) 15%, transparent);
  border-color: var(--accent-1);
}
.migration-card:first-child { border-color: var(--accent-gold); }

.migration-card-rank {
  font-size: 1.3rem;
  position: absolute;
  top: 1rem;
  left: 1.1rem;
}
.migration-card-score {
  position: absolute;
  top: 0.9rem;
  right: 1.1rem;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-1);
  text-align: right;
}
.migration-card-score small { display: block; font-size: 0.6rem; font-weight: 600; color: var(--muted); }

.migration-card-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 2.4rem;
}
.migration-card-country { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.7rem; }

.migration-card-stats {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.migration-card-cta {
  margin-top: 0.9rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-1);
}

/* 都市詳細ビュー */
.detail-close {
  width: auto;
  background: transparent;
  color: var(--accent-1);
  box-shadow: none;
  padding: 0.3rem 0;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
}
.detail-close:hover { transform: none; box-shadow: none; text-decoration: underline; }

.detail-hero {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
  padding-bottom: 1.4rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--border);
}
.detail-hero-score {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent-1);
  flex-shrink: 0;
}
.detail-hero-score small { display: block; font-size: 0.7rem; font-weight: 600; color: var(--muted); }
.detail-hero-scores { flex: 1; min-width: 220px; display: flex; flex-direction: column; gap: 0.4rem; }

.score-bar-row {
  display: grid;
  grid-template-columns: 8rem 1fr 2.4rem;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
}
.score-bar-label { color: var(--muted); }
.score-bar-track {
  height: 7px;
  border-radius: 99px;
  background: var(--border);
  overflow: hidden;
}
.score-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-gold));
  border-radius: 99px;
}
.score-bar-value { font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }

.coli-section {
  padding-bottom: 1.4rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--border);
}
.coli-section-title {
  font-size: 1.1rem;
  margin: 0 0 0.4rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.coli-section-title small { font-size: 0.72rem; font-weight: 600; color: var(--muted); }
.score-bar-fill.coli-over {
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-2, var(--accent-gold)));
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.9rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.detail-grid b { color: var(--text); font-size: 1rem; }
.detail-grid-sub { font-size: 0.7rem; }

footer {
  margin-top: 2rem;
  font-size: 0.75rem;
  color: var(--muted-2);
}

footer a {
  color: var(--muted-2);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---- 免責事項等のテキストページ ---- */
.legal-page .subtitle { max-width: none; }

.legal-card p {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text);
  margin: 0 0 0.9rem;
}

.legal-card p:last-child { margin-bottom: 0; }

.legal-card ul {
  margin: 0 0 0.9rem;
  padding-left: 1.3rem;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text);
}

.legal-card ul:last-child { margin-bottom: 0; }

.legal-card li { margin-bottom: 0.35rem; }
.legal-card li:last-child { margin-bottom: 0; }

.legal-card a {
  color: var(--accent-1);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-note {
  font-size: 0.78rem !important;
  color: var(--muted) !important;
}

.legal-updated {
  font-size: 0.78rem;
  color: var(--muted-2);
  text-align: right;
  margin: 0.5rem 0.25rem 0;
}

@media (max-width: 480px) {
  .field-row { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .price-main { font-size: 2.1rem; }
  .year-row { grid-template-columns: 2.6rem 1fr 6rem; }
}

/* ---- 共通ナビゲーション ---- */
.back-link {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 1rem;
}
.back-link:hover { color: var(--accent-1); }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--card-bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.7rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

@media (min-width: 900px) {
  .site-nav-inner { padding: 0.8rem 1.5rem; }
}

.site-nav-brand {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  background: linear-gradient(90deg, var(--text), var(--accent-gold-2) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.site-nav-tabs {
  display: flex;
  gap: 0.15rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.site-nav-tabs::-webkit-scrollbar { display: none; }

.site-nav-tab {
  flex-shrink: 0;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  padding: 0.4rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease;
}

.site-nav-tab:hover {
  background: var(--bg);
  color: var(--text);
}

.site-nav-tab.active {
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  color: #fff;
}

/* ハンバーガーメニュー (スマホのみ表示) */
.site-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card-bg);
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
}

.site-nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-nav-toggle.open span:nth-child(2) { opacity: 0; }
.site-nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 既定では常に非表示(display:none)。hidden属性が外れた時のみ、
   かつスマホ幅の時だけ、JSでのトグルに応じて表示する。
   ([hidden]属性だけに頼ると、後続の display:flex 指定に上書きされて
   デスクトップでも表示されてしまうため、明示的にdisplay:noneを基本とする) */
.site-nav-mobile-menu {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--border);
  padding: 0.5rem 1.25rem 0.75rem;
}

@media (max-width: 640px) {
  .site-nav-mobile-menu:not([hidden]) {
    display: flex;
  }
}

.site-nav-mobile-link {
  display: block;
  padding: 0.7rem 0.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  border-radius: 10px;
}

.site-nav-mobile-link:not(:last-child) {
  border-bottom: 1px solid var(--border);
}

.site-nav-mobile-link.active {
  color: var(--accent-1);
}

@media (max-width: 640px) {
  .site-nav-brand { display: none; }
  .site-nav-inner { justify-content: space-between; }
  .site-nav-tabs { display: none; }
  .site-nav-toggle { display: flex; }
}

/* ---- ポータルトップ ---- */
.portal-hero {
  text-align: center;
  padding: 1rem 0 0.5rem;
}

.portal-hero .eyebrow {
  color: var(--accent-gold);
}

.portal-hero h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0.3rem 0 0.8rem;
  background: linear-gradient(90deg, var(--text), var(--accent-gold-2) 85%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.portal-hero .subtitle {
  max-width: 42ch;
  margin: 0 auto 1.75rem;
}

.hero-copy {
  max-width: 34ch;
  margin: 0 auto 1.75rem;
}

.hero-copy-strong {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.55;
  margin: 0 0 1.1rem;
}

.hero-copy-body {
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.75;
  margin: 0 0 1.3rem;
}

.hero-copy-payoff {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

@media (min-width: 900px) {
  .hero-copy-strong { font-size: 1.3rem; }
  .hero-copy-payoff { font-size: 1.45rem; }
}

.tool-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 720px) {
  .tool-card-grid { grid-template-columns: 1fr 1fr; }
}

.tool-card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tool-card-badge {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.6rem;
}

.tool-card-badge.gold {
  background: color-mix(in srgb, var(--accent-gold) 18%, transparent);
  color: var(--accent-gold);
}

.tool-card-badge.teal {
  background: color-mix(in srgb, var(--accent-2) 18%, transparent);
  color: var(--accent-2);
}

.tool-card h2 {
  font-size: 1.15rem;
  margin: 0 0 0.4rem;
}

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

.tool-card-arrow {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-1);
}

/* ---- ポータルトップ: FIREを設計する5 STEP ジャーニー ---- */
.hero-cta {
  display: inline-block;
  margin: 0 auto 1.5rem;
  padding: 0.85rem 1.8rem;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  color: #fff;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--accent-1) 35%, transparent);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.hero-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent-1) 45%, transparent);
}

.journey-intro {
  text-align: center;
  max-width: 46ch;
  margin: 0.5rem auto 2rem;
}
.journey-intro-title {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 0.8rem;
}
.journey-intro-body {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
}
.journey-intro-body strong { color: var(--text); }

.step-timeline {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
}

.step-item {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.9rem;
  position: relative;
  padding-bottom: 1.5rem;
  scroll-margin-top: 5rem;
}
.step-item:last-child { padding-bottom: 0; }

/* ---- 5 STEP ミニナビ(横型・ページ上部) ---- */
/* 横=どこに何があるかのナビゲーション、縦=下の詳細ジャーニー(ストーリー)。役割を分離。 */
.step-nav {
  margin: 0 0 2.2rem;
}
.step-nav-title {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
  margin: 0 0 1rem;
}
.step-nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 1.1rem 0.5rem 0;
  border-top: 1px solid var(--border);
}
.step-nav-item {
  flex: 1;
  position: relative;
}
.step-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: inherit;
  padding: 0.3rem 0.15rem 0.5rem;
  border-radius: 12px;
  transition: background 0.15s ease;
}
.step-nav-link:hover,
.step-nav-link:focus-visible {
  background: color-mix(in srgb, var(--accent-1) 8%, transparent);
  outline: none;
}
.step-nav-num {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  font-weight: 800;
  font-size: 0.86rem;
  flex-shrink: 0;
}
.step-nav-label {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.step-nav-item:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 1.05rem;
  left: 100%;
  transform: translate(-50%, -50%);
  color: var(--muted-2);
  font-size: 0.76rem;
}
.step-nav-item.step-nav-goal .step-nav-num {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-2));
}
.step-nav-item.step-nav-goal .step-nav-label {
  color: var(--accent-gold);
}

@media (max-width: 480px) {
  .step-nav-num { width: 1.75rem; height: 1.75rem; font-size: 0.72rem; }
  .step-nav-label { font-size: 0.62rem; }
  .step-nav-item:not(:last-child)::after { font-size: 0.62rem; left: 100%; }
}

.step-item-rail {
  position: relative;
  display: flex;
  justify-content: center;
}

.step-item-num {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  box-shadow: var(--shadow-sm);
  z-index: 1;
  flex-shrink: 0;
}

.step-item:not(:last-child) .step-item-rail::after {
  content: "";
  position: absolute;
  top: 2.5rem;
  bottom: -1.5rem;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: var(--border);
}

.step-item-card {
  margin-bottom: 0;
  display: block;
}

.step-item-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent-1);
  margin-bottom: 0.5rem;
}

.step-item-title {
  font-size: 1.15rem;
  margin: 0 0 0.4rem;
}

.step-item-question {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.6rem;
}

.step-item-body {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.7;
}

.step-item-note {
  display: block;
  margin-top: 0.7rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-2);
  background: color-mix(in srgb, var(--accent-2) 12%, transparent);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
}

.step-item-cities {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0.7rem 0 0;
}

.step-item-cta {
  display: inline-block;
  margin-top: 0.85rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-1);
}

/* STEP 3・4: ウェルスタイルLABの差別化ポイントとしてやや強調 */
.step-item-featured .step-item-card {
  border-color: var(--accent-2);
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent-2) 5%, var(--card-bg)), var(--card-bg));
}
.step-item-featured .step-item-num {
  background: linear-gradient(135deg, var(--accent-2), var(--accent-1));
}

/* STEP 5: FIRE後のゴールとして特別扱い */
.step-item-goal .step-item-card {
  border-color: var(--accent-gold);
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent-gold) 8%, var(--card-bg)), var(--card-bg));
}
.step-item-goal .step-item-num {
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-2));
}
.step-item-goal .step-item-eyebrow { color: var(--accent-gold); }
.step-item-goal .step-item-cta { color: var(--accent-gold); }

.step-item-goal-badge {
  display: inline-block;
  margin-left: 0.5rem;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-2));
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  vertical-align: middle;
}

.journey-cta {
  text-align: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-1) 10%, var(--card-bg)), color-mix(in srgb, var(--accent-2) 10%, var(--card-bg)));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  margin-bottom: 2rem;
}
.journey-cta-lead {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
  margin: 0 0 0.3rem;
}
.journey-cta-question {
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 0 1.1rem;
}
.journey-cta-button {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  color: #fff;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--accent-1) 35%, transparent);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.journey-cta-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent-1) 45%, transparent);
}

.philosophy-section {
  text-align: center;
  max-width: 52ch;
  margin: 0 auto 2rem;
  padding: 0 0.5rem;
}
.philosophy-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 0 0.9rem;
}
.philosophy-body {
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
}
.philosophy-body strong { color: var(--text); }

@media (min-width: 720px) {
  .step-item { grid-template-columns: 3rem 1fr; gap: 1.2rem; }
  .step-item-num { width: 3rem; height: 3rem; font-size: 1.2rem; }
  .step-item:not(:last-child) .step-item-rail::after { top: 3rem; }
}

/* ---- FIRE診断 ---- */
.fire-hero {
  text-align: center;
  padding: 0.5rem 0 1.4rem;
}

.fire-hero-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
}

.fire-hero-number {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  line-height: 1.25;
}

.fire-hero-sub {
  font-size: 0.88rem;
  color: var(--muted);
}

.fire-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin: 1rem 0 1.4rem;
}

.fire-compare-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  text-align: center;
}

.fire-compare-card.highlight {
  border-color: var(--accent-gold);
  background: color-mix(in srgb, var(--accent-gold) 8%, var(--bg));
}

.low-confidence-warning {
  border: 1px solid var(--accent-gold);
  background: color-mix(in srgb, var(--accent-gold) 10%, var(--bg));
  border-radius: 10px;
  padding: 0.7rem 0.9rem;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 1rem;
}

.fire-compare-label {
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.fire-compare-value {
  font-size: 1.3rem;
  font-weight: 700;
}

.fire-saved-banner {
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-gold);
  background: color-mix(in srgb, var(--accent-gold) 10%, transparent);
  border-radius: 12px;
  padding: 0.7rem;
  margin-bottom: 1.2rem;
}

.trajectory-chart {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 0.3rem;
}

.trajectory-row {
  display: grid;
  grid-template-columns: 3rem 1fr 6.5rem;
  align-items: center;
  gap: 0.6rem;
}

.trajectory-row-label {
  font-size: 0.76rem;
  color: var(--muted);
}

.trajectory-bar-track {
  position: relative;
  height: 16px;
  background: var(--bg);
  border-radius: 5px;
  overflow: hidden;
}

.trajectory-bar-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  border-radius: 5px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
}

.trajectory-bar-fill.with-property {
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-gold-2));
}

.trajectory-row-value {
  font-size: 0.76rem;
  text-align: right;
  color: var(--text);
}

.legend-row {
  display: flex;
  gap: 1.2rem;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.35rem;
}

.legend-dot.baseline { background: var(--accent-1); }
.legend-dot.property { background: var(--accent-gold); }

@media (max-width: 480px) {
  .fire-compare { grid-template-columns: 1fr; }
  .fire-hero-number { font-size: 2rem; }
}

/* ---- ポートフォリオ診断 ---- */
.composition-bar {
  display: flex;
  height: 28px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.composition-segment {
  height: 100%;
  transition: width 0.2s ease;
}

.composition-legend {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 1rem;
  margin-top: 0.8rem;
  font-size: 0.78rem;
}

.composition-legend-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
}

.composition-legend-item .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.4rem;
}

.composition-legend-item .name {
  display: flex;
  align-items: center;
  color: var(--text);
}

.warning-item {
  font-size: 0.82rem;
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  margin-bottom: 0.5rem;
}

.warning-item.flag {
  background: color-mix(in srgb, var(--error-text) 8%, var(--bg));
  border-color: color-mix(in srgb, var(--error-text) 30%, var(--border));
  color: var(--error-text);
}

.assumption-row {
  display: grid;
  grid-template-columns: 1fr 5rem 5rem;
  font-size: 0.78rem;
  color: var(--muted);
  padding: 0.3rem 0;
  border-top: 1px solid var(--border);
}

.assumption-row.header {
  font-weight: 700;
  color: var(--text);
  border-top: none;
}

.correlation-table {
  border-collapse: collapse;
  font-size: 0.74rem;
  color: var(--text);
  white-space: nowrap;
}

.correlation-table th,
.correlation-table td {
  border: 1px solid var(--border);
  padding: 0.35rem 0.5rem;
  text-align: center;
}

.correlation-table th {
  font-weight: 600;
  color: var(--muted);
  background: var(--bg);
}

/* ---- ポートフォリオ診断: 将来シミュレーション ---- */
.sim-headline {
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.6;
  margin: 0 0 0.4rem;
}
.sim-headline strong {
  color: var(--accent-1);
}
.sim-subtext {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 1.3rem;
}

.sim-chart-wrap {
  width: 100%;
  overflow-x: auto;
}
.sim-chart-wrap svg {
  width: 100%;
  height: auto;
  display: block;
  min-width: 480px;
  transition: opacity 0.15s ease;
}
.sim-chart-wrap.sim-loading svg {
  opacity: 0.45;
}

.sim-axis-label {
  font-size: 11px;
  fill: var(--muted);
}
.sim-gridline { stroke: var(--border); stroke-width: 1; }

.sim-band-outer { fill: var(--sim-band); }
.sim-band-inner { fill: var(--sim-band-mid); }

.sim-line { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.sim-line.optimistic { stroke: var(--sim-optimistic); stroke-width: 2; }
.sim-line.median { stroke: var(--sim-median); stroke-width: 2; }
.sim-line.conservative { stroke: var(--sim-conservative); stroke-width: 2.5; }
.sim-line.principal { stroke: var(--sim-principal); stroke-width: 1.5; stroke-dasharray: 4 4; }

.sim-dot { stroke: var(--card-bg); stroke-width: 1.5; }
.sim-dot.optimistic { fill: var(--sim-optimistic); }
.sim-dot.median { fill: var(--sim-median); }
.sim-dot.conservative { fill: var(--sim-conservative); }

.sim-legend {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin: 0 0 1.1rem;
}
.sim-stat-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
}
.sim-stat-label { color: var(--muted); }
.sim-stat-value {
  font-weight: 800;
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}
.sim-stat-value.optimistic { color: var(--sim-optimistic); }
.sim-stat-value.median { color: var(--sim-median); }
.sim-stat-value.conservative { color: var(--sim-conservative); }
.sim-stat-value.principal { color: var(--muted); font-weight: 700; }

.sim-legend-swatch {
  display: inline-block;
  width: 14px;
  height: 3px;
  border-radius: 2px;
  flex-shrink: 0;
}
.sim-legend-swatch.principal { border-top: 1.5px dashed var(--sim-principal); height: 0; background: none !important; }

.sim-controls {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
  margin-bottom: 1.1rem;
}
.sim-control label {
  margin-bottom: 0.5rem;
}
.sim-control-note {
  font-size: 0.7rem;
  color: var(--muted-2);
  margin-top: 0.2rem;
}

.sim-note {
  font-size: 0.74rem;
  color: var(--muted-2);
  line-height: 1.7;
  margin: 0;
}

@media (max-width: 640px) {
  .sim-controls { grid-template-columns: 1fr; }
}

/* ==========================================================
   ブログ (FIRE移住研究シリーズ等)
   ========================================================== */

/* ---- 記事一覧ページ ---- */
.blog-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.blog-card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}
.blog-card-series {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
}
.blog-card-date {
  font-size: 0.76rem;
  color: var(--muted-2);
  font-variant-numeric: tabular-nums;
}
.blog-card h2 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}
.blog-card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.75;
}
.blog-card-arrow {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-1);
}
.blog-empty-note {
  font-size: 0.86rem;
  color: var(--muted-2);
  text-align: center;
  padding: 2rem 1rem;
}

/* ---- 記事本文ページ ---- */
.blog-article-page { max-width: 720px; }
.blog-eyebrow-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.1rem;
}
.blog-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
}
.blog-eyebrow-episode {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 0.04em;
}
.blog-article-page header h1 {
  font-size: 1.9rem;
  line-height: 1.45;
  text-wrap: balance;
}
.blog-article-page header h1 .accent { color: var(--accent-gold); }
.blog-lede {
  font-size: 0.98rem;
  color: var(--muted);
  margin: 0 0 1.3rem;
  line-height: 1.85;
}
.blog-disclaimer {
  font-size: 0.78rem;
  color: var(--muted-2);
  border-left: 3px solid var(--border);
  padding: 0.2rem 0 0.2rem 0.9rem;
  margin: 0 0 0.5rem;
  line-height: 1.75;
}
.blog-section-title {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 2.6rem 0 1rem;
  padding-top: 0.3rem;
  border-top: 1px solid var(--border);
  text-wrap: balance;
}
.blog-body p { margin: 0 0 1.2rem; font-size: 0.98rem; line-height: 1.9; }
.blog-body strong { color: var(--text); }

.blog-conclusion-box {
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent-1) 8%, var(--card-bg)), var(--card-bg));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  box-shadow: var(--shadow-sm);
}
.blog-conclusion-box p { margin: 0; font-size: 1.05rem; font-weight: 600; line-height: 1.85; }
.blog-conclusion-box .hl { color: var(--accent-1); }

.blog-chart-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem 1.6rem 1.3rem;
  box-shadow: var(--shadow-sm);
  margin: 0 0 1rem;
}
.blog-chart-caption {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0 0 1.1rem;
  line-height: 1.7;
}
.blog-chart-wrap { overflow-x: auto; }
.blog-chart-wrap svg { display: block; min-width: 560px; width: 100%; height: auto; }
.blog-rank-row-name { font-size: 12.5px; font-weight: 700; fill: var(--text); }
.blog-rank-row-pct { font-size: 12.5px; font-weight: 700; font-variant-numeric: tabular-nums; }
.blog-rank-row-n { font-size: 10.5px; fill: var(--muted-2); font-variant-numeric: tabular-nums; }
.blog-rank-axis-label { font-size: 10.5px; fill: var(--muted-2); }
.blog-rank-gridline { stroke: var(--border); stroke-width: 1; }
.blog-rank-zero-line { stroke: var(--muted-2); stroke-width: 1.2; }

.blog-trend-line {
  fill: none;
  stroke: var(--accent-1);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.blog-trend-line.dashed { stroke-dasharray: 5 4; opacity: 0.6; }
.blog-trend-area { fill: color-mix(in srgb, var(--accent-1) 12%, transparent); }
.blog-trend-dot { fill: var(--accent-1); }
.blog-trend-dot-label { font-size: 12px; font-weight: 800; fill: var(--accent-1); font-variant-numeric: tabular-nums; }
.blog-trend-axis-label { font-size: 10.5px; fill: var(--muted-2); font-variant-numeric: tabular-nums; }
.blog-legend-row {
  display: flex; flex-wrap: wrap; gap: 1.1rem; margin-top: 1rem;
  padding-top: 0.9rem; border-top: 1px dashed var(--border);
  font-size: 0.74rem; color: var(--muted);
}
.blog-legend-item { display: flex; align-items: center; gap: 0.4rem; }
.blog-legend-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }

.blog-stat-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin: 0 0 1rem;
}
.blog-stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.blog-stat-card.stat-high { border-color: color-mix(in srgb, var(--accent-1) 40%, var(--border)); }
.blog-stat-card.stat-low { border-color: color-mix(in srgb, var(--accent-2) 40%, var(--border)); }
.blog-stat-card-label { font-size: 0.74rem; color: var(--muted); margin-bottom: 0.5rem; }
.blog-stat-card-value { font-size: 1.3rem; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.blog-stat-card.stat-high .blog-stat-card-value { color: var(--accent-1); }
.blog-stat-card.stat-low .blog-stat-card-value { color: var(--accent-2); }
.blog-stat-trio-note { font-size: 0.8rem; color: var(--muted); margin: 0.9rem 0 2rem; }

.blog-fire-box {
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent-gold) 10%, var(--card-bg)), var(--card-bg));
  border: 1px solid color-mix(in srgb, var(--accent-gold) 35%, var(--border));
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
}
.blog-fire-box-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--accent-gold);
  margin-bottom: 0.7rem;
}
.blog-fire-box p { margin: 0 0 0.9rem; font-size: 0.94rem; color: var(--text); }
.blog-fire-box p:last-child { margin-bottom: 0; }

.blog-next-box {
  margin-top: 2.6rem;
  padding: 1.3rem 1.5rem;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
  flex-wrap: wrap;
}
.blog-next-box-text { font-size: 0.9rem; color: var(--muted); }
.blog-next-box-text strong { color: var(--text); }
.blog-next-badge {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent-gold);
  white-space: nowrap;
  text-decoration: none;
}
a.blog-next-badge:hover { text-decoration: underline; }

.blog-method-note {
  font-size: 0.78rem;
  color: var(--muted-2);
  line-height: 1.85;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 480px) {
  .blog-stat-trio { grid-template-columns: 1fr; }
  .blog-article-page header h1 { font-size: 1.5rem; }
}