/* =========================================================
   ペットのきもち - Design tokens & base styles
   ========================================================= */
:root {
  /* Neutrals */
  --color-bg: #fdfcfa;
  --color-surface: #ffffff;
  --color-border: #ece7de;
  --color-text: #2c2620;
  --color-text-muted: #746c60;

  /* Brand */
  --color-primary: #ff8a3d;       /* warm coral-orange, works for both */
  --color-primary-dark: #e56f22;
  --color-primary-tint: #fff1e5;

  /* Section accents */
  --color-dog: #f5a623;           /* yellow/amber for dogs */
  --color-dog-dark: #c9820e;
  --color-dog-tint: #fff6e2;

  --color-cat: #8a6fd6;           /* purple for cats */
  --color-cat-dark: #6b4fc7;
  --color-cat-tint: #f2eefc;

  /* Semantic */
  --color-success: #3fa76a;
  --color-warning: #e0a032;
  --color-error: #d1503c;

  /* Spacing scale */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;

  /* Type scale */
  --fs-xs: 12px;
  --fs-sm: 14px;
  --fs-base: 16px;
  --fs-lg: 20px;
  --fs-xl: 24px;
  --fs-2xl: 32px;
  --fs-3xl: 40px;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 3px rgba(44, 38, 32, 0.08);
  --shadow-md: 0 6px 20px rgba(44, 38, 32, 0.10);
  --shadow-lg: 0 14px 36px rgba(44, 38, 32, 0.14);

  --max-width: 1160px;
  --font-family: "Hiragino Sans", "Yu Gothic", "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1b1815;
    --color-surface: #262220;
    --color-border: #3a342e;
    --color-text: #f3ede4;
    --color-text-muted: #b8ada0;
    --color-primary-tint: #3a2a1c;
    --color-dog-tint: #3a2f14;
    --color-cat-tint: #2c2740;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 14px 36px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--fs-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-5);
}

h1, h2, h3, h4 { line-height: 1.4; margin: 0 0 var(--sp-3); font-weight: 700; }
p { margin: 0 0 var(--sp-4); color: var(--color-text); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: .04em;
  margin-bottom: var(--sp-3);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 252, 250, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(27, 24, 21, 0.92); }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-5);
  gap: var(--sp-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-lg);
  font-weight: 800;
  color: var(--color-text);
  flex-shrink: 0;
}
.logo svg { width: 32px; height: 32px; }
.logo .logo-sub { font-size: var(--fs-xs); font-weight: 500; color: var(--color-text-muted); display: block; }

.main-nav {
  display: flex;
  gap: var(--sp-1);
  flex-wrap: wrap;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  min-height: 44px;
  transition: background-color 150ms ease, color 150ms ease;
}
.main-nav a:hover { background: var(--color-primary-tint); color: var(--color-primary-dark); }
.main-nav a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.main-nav a.active { color: var(--color-primary-dark); background: var(--color-primary-tint); }

.nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 44px;
  padding: var(--sp-3) var(--sp-5);
  border-radius: 999px;
  font-weight: 700;
  font-size: var(--fs-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, background-color 150ms ease, border-color 150ms ease;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); box-shadow: var(--shadow-md); }
.btn-primary:focus-visible { outline: 2px solid var(--color-primary-dark); outline-offset: 2px; }
.btn-outline { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }
.btn:active { transform: translateY(1px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-tint) 0%, var(--color-dog-tint) 50%, var(--color-cat-tint) 100%);
  padding: var(--sp-8) 0 var(--sp-7);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-7);
  align-items: center;
}
.hero h1 { font-size: var(--fs-3xl); }
.hero p.lead { font-size: var(--fs-lg); color: var(--color-text-muted); max-width: 50ch; }
.hero-actions { display: flex; gap: var(--sp-3); flex-wrap: wrap; margin-top: var(--sp-5); }
.hero-art { display: flex; justify-content: center; align-items: center; }
.hero-art svg { width: 100%; max-width: 380px; }

/* ---------- Section chips (dog/cat quick switch) ---------- */
.section-picker {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  margin-top: -var(--sp-7);
  position: relative;
  z-index: 2;
}
.picker-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  border: 1px solid var(--color-border);
  transition: transform 150ms ease, box-shadow 150ms ease;
}
.picker-card:hover { transform: translateY(-4px); }
.picker-card:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.picker-card .icon-badge { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.picker-card.dog .icon-badge { background: var(--color-dog-tint); }
.picker-card.cat .icon-badge { background: var(--color-cat-tint); }
.picker-card .icon-badge svg { width: 30px; height: 30px; }
.picker-card h3 { margin: 0 0 2px; font-size: var(--fs-lg); }
.picker-card p { margin: 0; color: var(--color-text-muted); font-size: var(--fs-sm); }
.picker-card.dog h3 { color: var(--color-dog-dark); }
.picker-card.cat h3 { color: var(--color-cat-dark); }

/* ---------- Generic section ---------- */
.section { padding: var(--sp-8) 0; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
  flex-wrap: wrap;
}
.section-head h2 { font-size: var(--fs-2xl); }
.see-all { font-size: var(--fs-sm); font-weight: 700; color: var(--color-primary-dark); white-space: nowrap; }
.see-all:hover { text-decoration: underline; }

/* ---------- Card grid ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 150ms ease, box-shadow 150ms ease;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card:focus-within { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.card-thumb {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-thumb svg { width: 44%; }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center 25%; }
.card-thumb.dog { background: linear-gradient(160deg, var(--color-dog-tint), #ffe9c2); }
.card-thumb.cat { background: linear-gradient(160deg, var(--color-cat-tint), #e3d9fb); }
.card-thumb.mix { background: linear-gradient(160deg, var(--color-primary-tint), #ffd9c2); }

.card-body { padding: var(--sp-4); flex: 1; display: flex; flex-direction: column; gap: var(--sp-2); }

.feature-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
}
.feature-card .card-thumb { aspect-ratio: auto; height: 100%; }
.feature-card .card-body { padding: var(--sp-6); }
@media (max-width: 768px) {
  .feature-card { grid-template-columns: 1fr; }
  .feature-card .card-thumb { aspect-ratio: 16 / 9; }
}
.card-tag {
  align-self: flex-start;
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 2px var(--sp-2);
  border-radius: 999px;
  color: #fff;
}
.card-tag.dog { background: var(--color-dog); }
.card-tag.cat { background: var(--color-cat); }
.card-tag.life { background: var(--color-primary); }
.card-title { font-size: var(--fs-base); font-weight: 700; margin: 0; }
.card-title a::after { content: ""; position: absolute; inset: 0; }
.card { position: relative; }
.card-excerpt { font-size: var(--fs-sm); color: var(--color-text-muted); margin: 0; }
.related-articles-heading { font-size: var(--fs-xl); margin-bottom: var(--sp-5); }
.card-meta { margin-top: auto; font-size: var(--fs-xs); color: var(--color-text-muted); display: flex; gap: var(--sp-3); padding-top: var(--sp-2); }

/* ---------- Feature banner ---------- */
.banner {
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  flex-wrap: wrap;
}
.banner.dog { background: var(--color-dog-tint); }
.banner.cat { background: var(--color-cat-tint); }
.banner h3 { margin-bottom: var(--sp-2); font-size: var(--fs-xl); }
.banner p { margin: 0; color: var(--color-text-muted); }

/* ---------- Q&A ---------- */
.qa-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.qa-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.qa-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--sp-4) var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-weight: 700;
  min-height: 44px;
}
.qa-item summary::-webkit-details-marker { display: none; }
.qa-item summary .q-badge {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--fs-sm);
}
.qa-item summary .chev { margin-left: auto; transition: transform 150ms ease; color: var(--color-text-muted); }
.qa-item[open] summary .chev { transform: rotate(180deg); }
.qa-item .qa-answer { padding: 0 var(--sp-5) var(--sp-5) calc(var(--sp-5) + 28px + var(--sp-3)); color: var(--color-text-muted); font-size: var(--fs-sm); }
.qa-item summary:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; }

/* ---------- Filter tabs ---------- */
.filter-tabs { display: flex; gap: var(--sp-2); flex-wrap: wrap; margin-bottom: var(--sp-6); }
.filter-tabs button {
  min-height: 44px;
  padding: var(--sp-2) var(--sp-4);
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: all 150ms ease;
}
.filter-tabs button:hover { border-color: var(--color-primary); }
.filter-tabs button.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.filter-tabs button:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ---------- Breed dictionary ---------- */
.breed-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); }
.breed-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  text-align: center;
  transition: transform 150ms ease, box-shadow 150ms ease;
  box-shadow: var(--shadow-sm);
}
.breed-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.breed-card:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.breed-card .read-more { display: block; margin-top: var(--sp-2); font-size: var(--fs-xs); font-weight: 700; }
.breed-card.dog .read-more { color: var(--color-dog-dark); }
.breed-card.cat .read-more { color: var(--color-cat-dark); }
.breed-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--color-border);
}
.breed-card-body { padding: var(--sp-4); }
.breed-card .icon-badge { width: 40px; height: 40px; border-radius: 50%; margin: 0 auto var(--sp-2); display: flex; align-items: center; justify-content: center; }
.breed-card.dog .icon-badge { background: var(--color-dog-tint); }
.breed-card.cat .icon-badge { background: var(--color-cat-tint); }
.breed-card .icon-badge svg { width: 22px; height: 22px; }
.breed-card h4 { margin: 0 0 var(--sp-1); font-size: var(--fs-sm); }
.breed-card p { margin: 0; font-size: var(--fs-xs); color: var(--color-text-muted); }
.breed-card[hidden] { display: none; }

/* ---------- Article page ---------- */
.article-hero { background: var(--color-primary-tint); padding: var(--sp-7) 0; }

.breed-hero-photo-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--sp-5);
  margin-top: calc(-1 * var(--sp-7));
  position: relative;
  z-index: 2;
}
.breed-hero-photo-wrap img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: center 25%;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-surface);
}

@media (max-width: 768px) {
  .breed-hero-photo-wrap { margin-top: var(--sp-5); }
}

@media (max-width: 768px) {
  .breed-photo-hero { height: 260px; }
}

.breadcrumb { font-size: var(--fs-xs); color: var(--color-text-muted); margin-bottom: var(--sp-4); }
.breadcrumb a:hover { text-decoration: underline; }
.article-body { max-width: 72ch; margin: 0 auto; padding: var(--sp-7) var(--sp-5); }
.article-body h2 { font-size: var(--fs-xl); margin-top: var(--sp-7); }
.article-body h3 { font-size: var(--fs-lg); margin-top: var(--sp-5); }
.article-body ul, .article-body ol { padding-left: 1.3em; }
.article-body li { margin-bottom: var(--sp-2); }
.callout {
  background: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: var(--sp-4) var(--sp-5);
  margin: var(--sp-5) 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ---------- Operator card ---------- */
.operator-card {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  box-shadow: var(--shadow-sm);
  margin: var(--sp-4) 0 var(--sp-6);
}
.operator-card img {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 15%;
  flex-shrink: 0;
  border: 3px solid var(--color-primary-tint);
}
.operator-card .operator-name { font-weight: 700; font-size: var(--fs-lg); margin: 0 0 4px; }
.operator-card .operator-email { font-size: var(--fs-sm); margin: 0; }
.operator-card .operator-email a { color: var(--color-primary-dark); font-weight: 600; }
.operator-card .operator-email a:hover { text-decoration: underline; }

@media (max-width: 480px) {
  .operator-card { flex-direction: column; text-align: center; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  margin-top: var(--sp-8);
  padding: var(--sp-7) 0 var(--sp-5);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: var(--sp-6);
}
.footer-grid h4 { font-size: var(--fs-sm); color: var(--color-text-muted); margin-bottom: var(--sp-3); }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--sp-2); }
.footer-grid a { font-size: var(--fs-sm); color: var(--color-text); }
.footer-grid a:hover { color: var(--color-primary-dark); }
.footer-bottom {
  margin-top: var(--sp-6);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: var(--sp-2) var(--sp-4);
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .breed-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .hero-art svg { max-width: 220px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-inner.open .main-nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: var(--sp-3);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  .section-picker { grid-template-columns: 1fr; }
  .card-grid, .card-grid.cols-4, .card-grid.cols-2 { grid-template-columns: 1fr; }
  .breed-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: var(--fs-2xl); }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* ---------- Diagnosis quiz ---------- */
.quiz-wrap { max-width: 640px; margin: 0 auto; padding: var(--sp-7) var(--sp-5) var(--sp-8); }

.quiz-progress {
  display: flex;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
}
.quiz-progress .dot {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: var(--color-border);
  transition: background-color 200ms ease;
}
.quiz-progress .dot.done { background: var(--color-primary); }

.quiz-step { display: none; }
.quiz-step.active { display: block; animation: quizFade 220ms ease; }
@keyframes quizFade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.quiz-question { font-size: var(--fs-xl); margin-bottom: var(--sp-5); text-align: center; }

.quiz-options {
  display: grid;
  gap: var(--sp-3);
}
.quiz-options.cols-2 { grid-template-columns: 1fr 1fr; }

.quiz-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-5) var(--sp-4);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  font-family: inherit;
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  min-height: 44px;
  transition: border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}
.quiz-option:hover { border-color: var(--color-primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.quiz-option:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.quiz-option .quiz-option-icon { font-size: 32px; line-height: 1; }
.quiz-option .quiz-option-desc { font-weight: 500; font-size: var(--fs-sm); color: var(--color-text-muted); }

.quiz-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: var(--sp-5);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  min-height: 44px;
  padding: var(--sp-2);
}
.quiz-back:hover { color: var(--color-primary-dark); }

.quiz-result-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.quiz-result-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.quiz-result-card .quiz-result-body { padding: var(--sp-6); }
.quiz-result-eyebrow { font-size: var(--fs-sm); font-weight: 700; color: var(--color-primary-dark); margin-bottom: var(--sp-2); }
.quiz-result-name { font-size: var(--fs-2xl); margin-bottom: var(--sp-3); }
.quiz-result-desc { color: var(--color-text-muted); margin-bottom: var(--sp-5); }
.quiz-result-actions { display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }

@media (max-width: 480px) {
  .quiz-options.cols-2 { grid-template-columns: 1fr; }
  .quiz-question { font-size: var(--fs-lg); }
}

/* ---------- Share bar ---------- */
.share-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  max-width: calc(72ch + 2 * var(--sp-5));
  margin: 0 auto var(--sp-6);
  padding: var(--sp-4) var(--sp-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.share-label { font-size: var(--fs-sm); font-weight: 700; color: var(--color-text-muted); margin-right: auto; }
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 44px;
  min-height: 44px;
  padding: 0 var(--sp-4);
  border-radius: 999px;
  font-weight: 700;
  font-size: var(--fs-sm);
  font-family: inherit;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}
.share-btn:hover, .share-btn:focus-visible { border-color: var(--color-primary); color: var(--color-primary-dark); }
.share-btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.share-x:hover { background: #000; color: #fff; border-color: #000; }
.share-line:hover { background: #06c755; color: #fff; border-color: #06c755; }
.share-facebook:hover { background: #1877f2; color: #fff; border-color: #1877f2; }

@media (max-width: 480px) {
  .share-label { width: 100%; margin-right: 0; }
}

/* ---------- Article disclaimer ---------- */
.article-disclaimer {
  max-width: 72ch;
  margin: var(--sp-6) auto 0;
  padding: var(--sp-4) var(--sp-5) 0;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
}

/* ---------- Column badge (recurring feature series) ---------- */
.column-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-primary-tint);
  padding: 4px var(--sp-3);
  border-radius: 999px;
  margin-bottom: var(--sp-2);
}
.column-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-bottom: var(--sp-4);
}
.column-intro p { margin: 0; color: var(--color-text-muted); font-size: var(--fs-sm); }

/* ---------- UGC: うちの子自慢 ---------- */
.ugc-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--sp-7);
}
.ugc-form h2 { font-size: var(--fs-lg); margin-bottom: var(--sp-2); }
.ugc-form .ugc-form-note { font-size: var(--fs-sm); color: var(--color-text-muted); margin-bottom: var(--sp-5); }
.ugc-field { margin-bottom: var(--sp-4); }
.ugc-field label { display: block; font-weight: 700; font-size: var(--fs-sm); margin-bottom: var(--sp-2); }
.ugc-field input[type="text"],
.ugc-field select,
.ugc-field textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--fs-base);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 44px;
}
.ugc-field textarea { min-height: 90px; resize: vertical; }
.ugc-field input:focus-visible,
.ugc-field select:focus-visible,
.ugc-field textarea:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 1px; border-color: var(--color-primary); }
.ugc-photo-preview {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-md);
  object-fit: cover;
  margin-top: var(--sp-3);
  display: none;
  border: 1px solid var(--color-border);
}
.ugc-photo-preview.show { display: block; }
.ugc-form-actions { display: flex; align-items: center; gap: var(--sp-4); flex-wrap: wrap; }
.ugc-form-msg { font-size: var(--fs-sm); font-weight: 700; color: var(--color-success); display: none; }
.ugc-form-msg.show { display: inline; }

.ugc-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
.ugc-post {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.ugc-post-photo { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: var(--color-primary-tint); }
.ugc-post-body { padding: var(--sp-4); display: flex; flex-direction: column; gap: var(--sp-2); flex: 1; }
.ugc-post-name { font-weight: 700; font-size: var(--fs-base); margin: 0; }
.ugc-post-owner { font-size: var(--fs-xs); color: var(--color-text-muted); }
.ugc-post-comment { font-size: var(--fs-sm); color: var(--color-text); margin: 0; flex: 1; }
.ugc-post-footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: var(--sp-2); }
.ugc-post-date { font-size: var(--fs-xs); color: var(--color-text-muted); }
.ugc-like-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 32px;
  padding: 0 var(--sp-3);
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--fs-xs);
  font-weight: 700;
  cursor: pointer;
  transition: all 150ms ease;
}
.ugc-like-btn:hover, .ugc-like-btn.liked { border-color: var(--color-primary); color: var(--color-primary-dark); background: var(--color-primary-tint); }
.ugc-empty { text-align: center; color: var(--color-text-muted); padding: var(--sp-7) 0; grid-column: 1 / -1; }
.ugc-mine-badge {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  background: var(--color-primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
}
.ugc-post { position: relative; }

@media (max-width: 1024px) {
  .ugc-gallery { grid-template-columns: repeat(2, 1fr); }
}
.sitemap-wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-7) var(--sp-8);
  padding: var(--sp-7) 0 var(--sp-9);
}
.sitemap-group h2 {
  font-size: 1.05rem;
  border-bottom: 2px solid var(--color-primary-tint);
  padding-bottom: var(--sp-2);
  margin-bottom: var(--sp-3);
}
.sitemap-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.sitemap-group li a {
  color: var(--color-text);
  text-decoration: none;
}
.sitemap-group li a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}
@media (max-width: 640px) {
  .sitemap-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .ugc-gallery { grid-template-columns: 1fr; }
  .column-intro { flex-direction: column; align-items: flex-start; }
}