:root {
  --color-bg: #F4F7EF;
  --color-surface: #FFFFFF;
  --color-surface-alt: #EBF2E3;
  --color-text: #333B2E;
  --color-text-muted: #707A68;
  --color-accent: #7CA76C;
  --color-accent-dark: #547A45;
  --color-accent-soft: #E3EEDA;
  --color-border: #DCE7D2;
  --font-display: 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', 'Yu Gothic', sans-serif;
  --font-body: 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', 'Yu Gothic', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.9;
  letter-spacing: 0.01em;
}

a { color: inherit; }

.site-header {
  padding: 2.2rem 1.5rem 1.2rem;
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.site-header .logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-accent-dark);
  letter-spacing: 0.08em;
}

.site-nav {
  margin-top: 0.9rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.3rem 1.3rem;
}

.site-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.86rem;
  padding: 0.2rem 0;
}

.site-nav a[aria-current="page"] {
  color: var(--color-accent-dark);
  font-weight: 700;
}

.site-nav a:hover, .site-nav a:focus-visible {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.hero { text-align: center; padding: 1.5rem 0 2rem; }

.hero .concept {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 1rem;
  text-wrap: balance;
  letter-spacing: 0.03em;
}

.hero .lead {
  font-size: 0.96rem;
  max-width: 480px;
  margin: 0 auto 1.6rem;
}

@media (max-width: 420px) {
  .hero .concept { font-size: 1.3rem; }
}

h1.page-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.7rem;
  color: var(--color-accent-dark);
  text-wrap: balance;
  margin: 0 0 0.6rem;
}

@media (max-width: 420px) {
  h1.page-title { font-size: 1.4rem; }
}

.page-lead {
  color: var(--color-text-muted);
  font-size: 0.94rem;
  margin: 0 0 1.8rem;
}

.actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}

.btn {
  display: inline-block;
  padding: 0.85rem 2.1rem;
  border-radius: 3px;
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: var(--font-body);
  transition: opacity 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #FFFDF9;
}
.btn-primary:hover { opacity: 0.88; }

.btn-secondary {
  background: transparent;
  color: var(--color-accent-dark);
  border-color: var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-accent); }

h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.35rem;
  color: var(--color-accent-dark);
  margin-top: 2.6rem;
  margin-bottom: 1.1rem;
  letter-spacing: 0.03em;
}

h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--color-accent-dark);
  margin: 1.8rem 0 0.8rem;
}

/* こんな人へリスト */
.for-you-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
}

.for-you-list li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.6rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.94rem;
}

.for-you-list li:last-child { border-bottom: none; }

.for-you-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* 3ステップ */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin: 0 0 2rem;
}

.step-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.2rem 1.4rem;
  text-decoration: none;
  color: inherit;
}

.step-card:hover { border-color: var(--color-accent); }

.step-card .step-num {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-accent);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.step-card .step-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  display: block;
  margin-bottom: 0.35rem;
}

.step-card .step-desc {
  color: var(--color-text-muted);
  font-size: 0.86rem;
  margin: 0;
}

/* 年表 */
.timeline {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  border-left: 2px solid var(--color-border);
}

.timeline li {
  position: relative;
  padding: 0 0 1.8rem 1.5rem;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 0.3rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
}

.timeline .stage-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--color-accent-dark);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.3rem;
}

.timeline .stage-text {
  font-size: 0.92rem;
  margin: 0 0 0.5rem;
}

.timeline .stage-links a {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-decoration: underline;
  margin-right: 0.8rem;
}

/* カード(記事) */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  padding: 1.5rem 1.6rem;
  margin-bottom: 1.1rem;
}

.card a.card-link { text-decoration: none; color: inherit; display: block; }

.card .title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-accent-dark);
  display: block;
  margin-bottom: 0.5rem;
}

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

.theme-group {
  margin-bottom: 2.6rem;
}

.theme-group-desc {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin: -0.6rem 0 1.2rem;
}

.note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  background: var(--color-surface-alt);
  border-left: 3px solid var(--color-accent);
  padding: 0.95rem 1.1rem;
  margin: 1.6rem 0;
  border-radius: 0 4px 4px 0;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.7rem 0 0.2rem;
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--color-accent-dark);
  background: var(--color-accent-soft);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.28rem 0.8rem;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.tag:hover, .tag:focus-visible { border-color: var(--color-accent); }

fieldset {
  border: none;
  padding: 0;
  margin: 0 0 2rem;
}

legend {
  font-size: 0.98rem;
  margin-bottom: 0.9rem;
  padding: 0;
}

.scale {
  display: flex;
  justify-content: space-between;
  gap: 0.4rem;
}

.scale label {
  flex: 1;
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.6rem 0.2rem;
  cursor: pointer;
  background: var(--color-surface);
  font-variant-numeric: tabular-nums;
}

.scale input[type="radio"] { display: block; margin: 0 auto 0.4rem; }

.scale label.checked {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-text);
}

.scale-caption {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 0.3rem;
}

.result-type { text-align: center; margin-bottom: 2rem; }
.result-type .label { font-size: 0.85rem; color: var(--color-text-muted); }
.result-type h1 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.7rem;
  color: var(--color-accent-dark);
  margin: 0.5rem 0 0;
}

.result-section ul { margin: 0 0 1.8rem; padding-left: 1.2rem; }
.result-section li { margin-bottom: 0.4rem; font-size: 0.92rem; }

.article-body p { font-size: 0.96rem; margin-bottom: 1.3rem; }

.article-step { margin-bottom: 1.8rem; }
.article-step h2 { margin-top: 1.8rem; margin-bottom: 0.7rem; font-size: 1.1rem; }
.article-step p { font-size: 0.96rem; margin-bottom: 0.9rem; }

.reader-question {
  background: var(--color-accent-soft);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1.3rem 1.5rem;
  margin: 2rem 0;
}

.reader-question .label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--color-accent-dark);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.5rem;
}

.reader-question p { font-size: 0.98rem; margin: 0; font-weight: 500; }

.quote-block {
  border-left: 3px solid var(--color-accent);
  padding: 0.2rem 0 0.2rem 1.1rem;
  margin: 1.8rem 0;
  font-size: 0.98rem;
  color: var(--color-text);
}

.quote-block .quote-text { font-style: normal; margin: 0 0 0.6rem; }

.copy-x-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.78rem;
  font-family: var(--font-body);
  color: var(--color-text-muted);
  cursor: pointer;
}

.copy-x-btn:hover { border-color: var(--color-accent); color: var(--color-accent-dark); }
.copy-x-btn.copied { color: var(--color-accent-dark); border-color: var(--color-accent); }

.survey-cta {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: 6px;
  padding: 1.3rem 1.5rem;
  margin: 2.4rem 0;
  text-align: center;
}

.survey-cta p { font-size: 0.9rem; margin: 0 0 0.8rem; }

.survey-cta a.btn-secondary.disabled {
  pointer-events: none;
  opacity: 0.5;
}

.related-articles { margin: 2.2rem 0; }

.back-link {
  display: inline-block;
  margin-top: 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  text-decoration: none;
}
.back-link:hover { text-decoration: underline; }

.breadcrumb {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 1.2rem;
}
.breadcrumb a { text-decoration: underline; }

.site-footer {
  text-align: center;
  padding: 2.2rem 1rem;
  color: var(--color-text-muted);
  font-size: 0.76rem;
  border-top: 1px solid var(--color-border);
}

.site-footer a { text-decoration: underline; margin: 0 0.4rem; white-space: nowrap; }

[hidden] { display: none !important; }

button.link-btn {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

/* ===== 実践ガイド(build_guides.py が生成するページ用) ===== */
.guide-badge {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--color-accent-dark);
  background: var(--color-accent-soft);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 0.12rem 0.7rem;
  margin-bottom: 0.7rem;
  letter-spacing: 0.08em;
}

.guide-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0 0 1.6rem;
}

.guide-body h2 { font-size: 1.2rem; margin-top: 2.2rem; }
.guide-body h3 { font-size: 1.02rem; }
.guide-body p, .guide-body li { font-size: 0.96rem; }
.guide-body ul, .guide-body ol { padding-left: 1.3rem; }

.guide-body ul.checklist { list-style: none; padding-left: 0; }
.guide-body ul.checklist li { padding: 0.35rem 0 0.35rem 1.7rem; position: relative; }
.guide-body ul.checklist li::before { content: "☐"; position: absolute; left: 0; color: var(--color-accent-dark); }

.guide-body table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: 1.2rem 0;
}
.guide-body th, .guide-body td {
  border: 1px solid var(--color-border);
  padding: 0.5rem 0.7rem;
  text-align: left;
  vertical-align: top;
}
.guide-body th { background: var(--color-surface-alt); }

.guide-body .callout {
  background: var(--color-surface-alt);
  border-left: 3px solid var(--color-accent);
  padding: 0.9rem 1.1rem;
  margin: 1.4rem 0;
  border-radius: 0 4px 4px 0;
}

.guide-kind {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 0 0.5rem;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.guide-date { font-size: 0.74rem; color: var(--color-text-muted); align-self: center; }

.guide-compare {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: 1fr;
  margin: 0 0 2rem;
  font-size: 0.86rem;
}
.guide-compare > div {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 5px;
  padding: 0.9rem 1.1rem;
}
@media (min-width: 560px) {
  .guide-compare { grid-template-columns: 1fr 1fr; }
}

.guide-product {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: 6px;
  padding: 1.2rem 1.4rem;
  margin: 2rem 0;
  text-align: center;
}
.guide-product-text { font-size: 0.92rem; margin: 0 0 0.8rem; }

.guide-kind-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 2rem 0 0.5rem;
}

/* ===== トップページの実践ガイド案内(.step-card と同じ構造を維持し、目立たせる) ===== */
.step-card.guide-promo {
  border-left: 4px solid var(--color-accent);
}

.step-card.guide-promo .guide-promo-link {
  display: inline-block;
  margin-top: 0.7rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-accent-dark);
}

.step-card.guide-promo:hover .guide-promo-link,
.step-card.guide-promo:focus-visible .guide-promo-link {
  text-decoration: underline;
}