/* =========================================
   ぽかぽか手帖 — Round 2 redesign
   Distinct visual identity for 冷え性・寒がりさん.
   Direction: cozy "warm blanket" — soft rosy-milk base,
   rounded gothic display (Zen Maru Gothic), coral ember accent,
   image-forward rounded cards with soft shadow.
   Deliberately NOT site02 (cream + Noto Serif + terracotta + hairline).
   ========================================= */

:root {
  /* Surface — warm rosy milk, not amber cream */
  --paper: #FFF9F6;
  --paper-shade: #FBEEE9;
  --paper-deep: #F6E2DC;
  --card: #FFFFFF;
  --mist: #EFE6E6;

  /* Ink — warm plum-brown (rose undertone), not pure brown */
  --ink: #4B3B45;
  --ink-muted: #6E5862;
  --ink-soft: #927986;
  /* a11y: ink-faint darkened #C7B3BC→#6B5560 (on #FFF 6.79:1 ≥4.5 WCAG AA) */
  --ink-faint: #6B5560;

  /* Accents — coral ember + honey amber + deep plum */
  /* a11y: ember darkened #E0604D→#C74833 (white text 4.77:1 ≥4.5 WCAG AA) */
  /* a11y: ember-deep darkened #C5452F→#BC3D28 (on #FBEEE9 4.82:1, on #FFF 5.47:1 ≥4.5) */
  --ember: #C74833;
  --ember-deep: #BC3D28;
  --amber: #F2A65A;
  --amber-deep: #E08B36;
  --plum: #7B4B5A;
  --plum-deep: #5E3543;

  /* Back-compat aliases (older selectors still reference these names) */
  --clay: #C74833;
  --clay-deep: #BC3D28;
  --accent: #C74833;
  --accent-deep: #BC3D28;
  --sage: #C99A5B;
  --sage-deep: #A6792F;
  --dust: #F2A65A;
  --brass: #B58A4F;

  /* Lines & shadow */
  --rule: #F0DFD9;
  --rule-soft: #F6EAE5;
  --shadow-soft: 0 6px 24px rgba(123, 75, 90, 0.08);
  --shadow-lift: 0 14px 36px rgba(123, 75, 90, 0.14);

  /* Category accents (kept for legacy selectors) */
  --c-sleep: #C8B8A8;
  --c-sound: #A8B8B5;
  --c-light: #D4B89A;
  --c-scent: #A8B89A;
  --c-touch: #D4B8B0;
  --c-outing: #B8A890;
  --c-books: #B8A88A;

  /* Type — rounded gothic display + clean gothic body (NOT serif) */
  --font-display: 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', 'Yu Gothic', sans-serif;
  --font-sans: 'Zen Kaku Gothic New', 'Hiragino Sans', 'Helvetica Neue', system-ui, sans-serif;
  /* legacy alias: anything that asked for serif now gets the rounded display */
  --font-serif: var(--font-display);

  /* Radius — soft, pillow-like (site02 used 0) */
  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;
  --radius-pill: 999px;

  /* Scale */
  --space-xs: 0.5rem;
  --space-s: 1rem;
  --space-m: 1.5rem;
  --space-l: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 5.5rem;

  --measure: 36rem;
  --container-max: 76rem;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; text-rendering: optimizeLegibility; }

body {
  margin: 0;
  background: var(--paper);
  background-image:
    radial-gradient(120% 80% at 12% -10%, rgba(242, 166, 90, 0.10) 0%, transparent 55%),
    radial-gradient(110% 70% at 100% 0%, rgba(224, 96, 77, 0.07) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--ember-deep);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover { color: var(--ember); }

::selection {
  background: var(--ember);
  color: #fff;
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============ Focus ============ */
:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============ Layout primitives ============ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container.narrow { max-width: 44rem; }

.section { padding: var(--space-xl) 0; }
.section + .section { border-top: 1px solid var(--rule-soft); }
@media (max-width: 720px) {
  .section { padding: var(--space-l) 0; }
}

/* ============ Compliance bar (ステマ規制 firstview) ============ */
.compliance-bar {
  background: var(--plum);
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-align: center;
  padding: 0.5rem 1rem;
}
.compliance-bar strong {
  display: inline-block;
  margin-right: 0.5em;
  padding: 0.05rem 0.5rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.12em;
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 249, 246, 0.9);
  backdrop-filter: saturate(170%) blur(10px);
  -webkit-backdrop-filter: saturate(170%) blur(10px);
  border-bottom: 1px solid var(--rule-soft);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.logo:hover { color: var(--ink); }
.logo-mark {
  width: 36px; height: 36px;
  border-radius: var(--radius-pill);
  background: var(--ember);
  color: #fff;
  border: 0;
  display: inline-grid; place-items: center;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0;
  transform: none;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(224, 96, 77, 0.32);
}
.logo-text {
  font-size: 19px;
  white-space: nowrap;
}
.logo-tagline {
  display: block;
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  margin-top: 1px;
  white-space: nowrap;
}
.nav {
  display: flex;
  gap: 1.6rem;
  align-items: center;
}
.nav a {
  color: var(--ink-muted);
  font-size: 13.5px;
  letter-spacing: 0.06em;
  font-weight: 500;
}
.nav a:hover { color: var(--ember-deep); }

/* Hamburger toggle — hidden on desktop, shown on mobile */
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: var(--radius-s);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-soft);
}
.nav-toggle:hover { border-color: var(--ember); color: var(--ember-deep); }
.nav-toggle:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 2px;
}
.nav-toggle .nav-toggle-bars {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: background 0.18s ease;
}
.nav-toggle .nav-toggle-bars::before,
.nav-toggle .nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.18s ease, top 0.18s ease;
}
.nav-toggle .nav-toggle-bars::before { top: -6px; }
.nav-toggle .nav-toggle-bars::after { top: 6px; }
/* Animate to an "X" when open */
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { top: 0; transform: rotate(-45deg); }

/* Shrink only the logo on small screens (nav handled by hamburger) */
@media (max-width: 640px) {
  .logo-tagline { display: none; }
  .logo { gap: 0.5rem; }
  .logo-text { font-size: 16px; }
  .logo-mark { width: 30px; height: 30px; font-size: 16px; }
  .site-header .container { padding-top: 0.7rem; padding-bottom: 0.7rem; }
}

/* Mobile: hamburger menu replaces the inline nav */
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 16px;
    left: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-width: 360px;
    margin-left: auto;
    padding: 0.4rem;
    background: var(--card);
    border: 1px solid var(--rule);
    border-radius: var(--radius-m);
    box-shadow: var(--shadow-lift);
    z-index: 60;
    /* Hidden by default; shown when toggled open */
    display: none;
  }
  .nav[data-open="true"] { display: flex; }
  .nav a {
    display: block;
    padding: 0.85rem 1rem;
    font-size: 15px;
    letter-spacing: 0.04em;
    line-height: 1.4;
    white-space: nowrap;
    border-radius: var(--radius-s);
  }
  .nav a + a { border-top: 1px solid var(--rule-soft); }
  .nav a:hover,
  .nav a:focus-visible { background: var(--paper-shade); color: var(--ember-deep); }
}

/* ============ Hero ============ */
.hero {
  padding: var(--space-xl) 0 var(--space-2xl);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.12fr;
  gap: 3.5rem;
  align-items: center;
}
.hero-text { padding-right: 0.5rem; }
.hero-eyebrow {
  display: inline-block;
  margin: 0 0 1.4rem;
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ember-deep);
  background: var(--paper-shade);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
}
.hero-title {
  margin: 0 0 1.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.8vw, 3.1rem);
  line-height: 1.42;
  letter-spacing: -0.005em;
  color: var(--ink);
  text-wrap: balance;
}
.hero-title .accent { white-space: nowrap; }
.hero-title .accent {
  color: var(--ember);
  font-weight: 700;
}
.hero-lead {
  margin: 0 0 2.2rem;
  font-size: 16px;
  line-height: 2;
  color: var(--ink-muted);
  max-width: 30rem;
}
.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 2.1rem;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary {
  background: var(--ember);
  color: #fff;
  border-color: var(--ember);
  box-shadow: 0 8px 20px rgba(224, 96, 77, 0.3);
}
.btn-primary:hover {
  background: var(--ember-deep);
  border-color: var(--ember-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(224, 96, 77, 0.36);
}
.btn-ghost {
  background: var(--card);
  color: var(--ink);
  border-color: var(--paper-deep);
}
.btn-ghost:hover {
  background: var(--paper-shade);
  color: var(--ember-deep);
  border-color: var(--amber);
}

.hero-image-wrap {
  position: relative;
  aspect-ratio: 16/11;
  overflow: hidden;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-lift);
}
.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-image-caption {
  position: absolute;
  bottom: 0.9rem;
  left: 0.9rem;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
}

@media (max-width: 900px) {
  .hero { padding-bottom: var(--space-xl); }
  .hero-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .hero-image-wrap { order: -1; aspect-ratio: 16/10; }
  .hero-text { padding-right: 0; }
}

/* ============ Section common ============ */
.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ember-deep);
  background: var(--paper-shade);
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-pill);
  margin: 0 0 1.25rem;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  line-height: 1.45;
  letter-spacing: 0.01em;
  margin: 0 0 1.3rem;
  color: var(--ink);
}
.section-title.small {
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}
.section-lead {
  font-size: 16px;
  line-height: 2;
  color: var(--ink-muted);
  margin: 0 0 2.5rem;
  max-width: 44rem;
}

/* ============ About / DOES ============ */
.about-hsp { background: var(--paper); }
.about-hsp .container.narrow { max-width: 52rem; }

.does-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 2.5rem 0;
}
.does-card {
  padding: 1.75rem 1.5rem;
  background: var(--card);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-soft);
}
.does-card-letter {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--ember);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: 0;
}
.does-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.does-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-muted);
}
.science-note {
  margin: 2rem 0 0;
  padding: 1.3rem 1.5rem;
  background: var(--paper-shade);
  border-radius: var(--radius-m);
  border: 0;
  font-size: 13.5px;
  line-height: 2;
  color: var(--ink-muted);
}
.science-note strong { color: var(--ink); font-weight: 700; }
.note {
  margin-top: 2rem;
  padding: 1.1rem 1.3rem;
  background: var(--paper-shade);
  border-radius: var(--radius-m);
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.9;
}

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

/* ============ Checklist (legacy; kept) ============ */
.section-checklist { background: var(--paper-shade); }
.checklist {
  display: grid;
  gap: 0.65rem;
  margin: 2rem 0;
}
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.2rem;
  background: var(--card);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.checklist-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.checklist-item.checked {
  background: var(--paper-deep);
}
.checklist-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: 6px;
  border: 1.5px solid var(--paper-deep);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.checklist-item input[type="checkbox"]:checked {
  background: var(--ember);
  border-color: var(--ember);
}
.checklist-item input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px; top: 1px;
  width: 5px; height: 10px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(45deg);
}
.checklist-item label {
  cursor: pointer;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}
.checklist-result {
  margin: 2rem 0 0;
  padding: 2rem;
  background: var(--card);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
  text-align: center;
}
.result-label {
  margin: 0 0 0.5rem;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}
.result-count {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--ember);
  line-height: 1.1;
}
.result-count #check-total {
  font-size: 1.4rem;
  color: var(--ink-soft);
  vertical-align: 1px;
}
.result-message {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--ink-muted);
}

/* ============ Categories grid (image-forward) ============ */
.section-categories { padding-top: var(--space-2xl); }
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(248px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
/* Wide desktop: show all 5 cards in a single row (≥1260px → card width ≥226px) */
@media (min-width: 1260px) {
  .category-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
  }
}
.category-card {
  display: block;
  background: var(--card);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
  border: 0;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}
.category-card-image {
  aspect-ratio: 5/4;
  overflow: hidden;
  position: relative;
}
.category-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.category-card:hover .category-card-image img {
  transform: scale(1.05);
}
.category-card-num {
  position: absolute;
  top: 0.85rem; left: 0.85rem;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ember-deep);
  background: rgba(255, 255, 255, 0.92);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-pill);
}
.category-card-body { padding: 1.4rem 1.5rem 1.7rem; }
.category-card-kanji {
  display: inline-grid;
  place-items: center;
  width: 38px; height: 38px;
  margin-bottom: 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--paper-shade);
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ember-deep);
  font-weight: 700;
  letter-spacing: 0;
}
.category-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.category-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--ink-muted);
}

/* ============ Products by category ============ */
.section-products { padding-bottom: var(--space-2xl); }
.category-section {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--rule-soft);
}
.category-section:first-of-type { border-top: 0; }
.category-section-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 2.75rem;
}
.category-section-header-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
}
.category-section-header-image img {
  width: 100%; height: 100%; object-fit: cover;
}
.category-section-num {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ember-deep);
  background: var(--paper-shade);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-pill);
  margin: 0 0 0.9rem;
}
.category-section-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  letter-spacing: 0.01em;
  color: var(--ink);
}
.category-section-desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 2;
  color: var(--ink-muted);
}

@media (max-width: 800px) {
  .category-section-header {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }
  .category-section-header-image { aspect-ratio: 16/10; }
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.product-card {
  background: var(--card);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
  border: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}
.product-image {
  aspect-ratio: 1/1;
  background: #fff;
  object-fit: contain;
  object-position: center;
  display: block;
  width: 100%;
  /* keep maker white-bg images centered without awkward side gaps */
  padding: 1.4rem max(1.4rem, calc(50% - 150px));
}
.product-body {
  border-top: 1px solid var(--rule-soft);
  padding: 1.4rem 1.5rem 1.7rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-grow: 1;
}
.product-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.reason-block {
  background: var(--paper-shade);
  border-radius: var(--radius-m);
  border: 0;
  padding: 1rem 1.15rem;
}
.reason-label {
  margin: 0 0 0.5rem;
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ember-deep);
}
.reason-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink);
}
.amazon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  margin-top: auto;
  padding: 0.95rem 1rem;
  background: var(--ember);
  color: #fff;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.04em;
  font-weight: 700;
  border: 0;
  box-shadow: 0 6px 16px rgba(224, 96, 77, 0.26);
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.amazon-link:hover {
  background: var(--ember-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(224, 96, 77, 0.32);
}
.pr-tag {
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 0.12rem 0.45rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.6);
  /* a11y: explicit white (4.77:1 on #C74833) + full opacity — compliance-critical PR label */
  color: #ffffff;
  opacity: 1;
}

/* ============ Disclosure (Amazon) ============ */
.section-disclosure {
  background: var(--paper-shade);
}
.disclosure-block {
  background: var(--card);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
  border: 0;
  padding: 2rem 2.25rem;
}
.disclosure-block p {
  margin: 0 0 1rem;
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-muted);
}
.disclosure-block p:last-child { margin-bottom: 0; }
.disclosure-block .amazon-required {
  font-size: 13.5px;
  color: var(--ink);
  font-weight: 700;
  padding: 1rem 1.15rem;
  background: var(--paper-shade);
  border-radius: var(--radius-m);
  border: 0;
  margin-top: 1rem;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--plum-deep);
  color: var(--paper);
  padding: var(--space-xl) 0 var(--space-l);
  /* a11y: white-bg faint (#6B5560) is unreadable on the dark plum footer.
     Re-scope --ink-faint to a light rose-grey here (#E8D9DE = 7.46:1 on #5E3543). */
  --ink-faint: #E8D9DE;
}
.site-footer .container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
}
.footer-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 0 0 0.5rem;
}
.footer-tagline {
  margin: 0 0 1.5rem;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}
.footer-meta {
  font-size: 12px;
  color: var(--ink-faint);
  line-height: 1.95;
  margin: 1.5rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 249, 246, 0.12);
}
.footer-meta strong {
  color: var(--paper);
  font-weight: 700;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  font-size: 13.5px;
  letter-spacing: 0.04em;
}
.footer-nav a { color: var(--paper); opacity: 0.78; }
.footer-nav a:hover { color: var(--amber); opacity: 1; }
.footer-related {
  grid-column: 1 / -1;
  margin: 1.5rem 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--ink-faint);
}
.footer-related a { color: var(--amber); }
.footer-related a:hover { color: #fff; }
.footer-copy {
  grid-column: 1 / -1;
  margin: 1.5rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 249, 246, 0.12);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}

@media (max-width: 720px) {
  .site-footer .container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ============ Utility ============ */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============ Skip to content (a11y) ============ */
.skip-link {
  position: absolute;
  left: -10000px;
  top: 0;
  z-index: 200;
  background: var(--ember);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ============ Category editorial intro (pull-quote) ============ */
.category-intro {
  margin: 0 0 2.75rem;
  padding: 1.5rem 1.75rem;
  background: var(--paper-shade);
  border-radius: var(--radius-l);
  border: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 2.05;
  letter-spacing: 0.01em;
  color: var(--ink);
  max-width: 50rem;
}
.category-intro p { margin: 0; }
.category-intro p + p { margin-top: 0.8rem; }
@media (max-width: 640px) {
  .category-intro {
    padding: 1.25rem 1.35rem;
    font-size: 0.97rem;
    line-height: 1.95;
  }
}

/* ============ Books category subgroups (legacy) ============ */
.book-subgroup {
  margin: 3rem 0 0;
}
.book-subgroup-header {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}
.book-subgroup-label {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 0;
}
.book-subgroup-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-muted);
}
@media (max-width: 640px) {
  .book-subgroup-header { flex-direction: column; gap: 0.35rem; align-items: flex-start; }
}

/* ============ Light category sub-section divider (legacy) ============ */
.subsection-divider {
  margin: 3rem 0 2rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  text-align: center;
}
.subsection-divider-label {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ember-deep);
}

/* ============ Six-Factor science card (legacy) ============ */
.science-six-factor {
  margin: 2.5rem 0 0;
  padding: 2rem 1.75rem;
  background: var(--paper-shade);
  border-radius: var(--radius-l);
  border: 0;
}
.science-six-factor h3 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.science-six-factor ol {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 14.5px;
  line-height: 2.1;
  color: var(--ink-muted);
}
.science-six-factor ol li {
  padding-left: 0.4rem;
}
.science-six-factor ol li strong {
  color: var(--ink);
  font-weight: 700;
}
.science-citation {
  display: block;
  margin: 1rem 0 0;
  font-size: 12px;
  letter-spacing: 0.02em;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ============ Six-Factor Taxonomy grid (legacy) ============ */
.six-factor-intro {
  margin: 2.5rem 0 1.5rem;
  font-size: 15px;
  line-height: 1.95;
  color: var(--ink-muted);
}
.six-factor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 0 0 2rem;
}
.six-factor-card {
  position: relative;
  padding: 1.5rem 1.3rem 1.6rem;
  background: var(--paper-shade);
  border-radius: var(--radius-m);
  border: 0;
}
.six-factor-num {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ember-deep);
  margin: 0 0 0.5rem;
}
.six-factor-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  line-height: 1.45;
  color: var(--ink);
}
.six-factor-jp {
  display: inline-block;
  margin-top: 0.15rem;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ink-muted);
}
.six-factor-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ink-muted);
}
@media (max-width: 900px) {
  .six-factor-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .six-factor-grid { grid-template-columns: 1fr; }
}

/* ============ DOES legacy (collapsible) ============ */
.does-legacy {
  margin: 2rem 0 0;
  padding: 1.2rem 1.5rem;
  background: var(--paper-shade);
  border-radius: var(--radius-m);
  border: 0;
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink-muted);
}
.does-legacy summary {
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.does-legacy summary:hover { color: var(--ember-deep); }
.does-legacy p {
  margin: 1rem 0 0;
}
.does-legacy strong { color: var(--ink); font-weight: 700; }

/* ============ Editorial articles grid (home page, legacy) ============ */
.section-articles {
  background: var(--paper-shade);
}
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.article-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
  border: 0;
  padding: 1.75rem 1.75rem 2rem;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  color: var(--ink);
}
.article-card-num {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ember-deep);
}
.article-card-eyebrow {
  margin: 0 0 1.25rem;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}
.article-card-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.article-card-excerpt {
  margin: 0 0 1.75rem;
  font-size: 14px;
  line-height: 1.95;
  color: var(--ink-muted);
  flex-grow: 1;
}
.article-card-link {
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ember-deep);
}

/* ============ Article / About page typography ============ */
.article-lead {
  margin: 0 0 2.5rem;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 2.05;
  color: var(--ink-muted);
}
.article-h2 {
  margin: 3.5rem 0 1.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.55rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--ink);
  padding: 0 0 0 1rem;
  border-left: 5px solid var(--ember);
}

.article-h3 {
  margin: 2.25rem 0 0.9rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--ink);
  padding-left: 0.85rem;
  border-left: 3px solid var(--amber);
}

.article-meta {
  margin: 0 0 2.5rem;
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.numbered-list,
.reference-list {
  margin: 1.5rem 0 2rem;
  padding-left: 1.5rem;
  font-size: 15px;
  line-height: 2.05;
  color: var(--ink);
}
.numbered-list li,
.reference-list li {
  margin-bottom: 0.85rem;
  padding-left: 0.4rem;
}
.reference-list li em {
  font-style: italic;
  color: var(--ink-muted);
}
.article {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}
.article p {
  margin: 0 0 1.5rem;
  font-size: 16.5px;
  line-height: 2.1;
  color: var(--ink);
}
.article p strong { font-weight: 700; }

/* pull-quote inside articles */
.pullquote {
  margin: 2rem 0;
  padding: 1.5rem 1.75rem;
  background: var(--paper-shade);
  border-radius: var(--radius-l);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.95;
  letter-spacing: 0.01em;
  color: var(--ink);
}

/* in-prose related link & notes */
.related-link {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--ember-deep);
}
.ad-note, .ref-note {
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-soft);
}

@media (max-width: 640px) {
  .article-h2 { font-size: 1.3rem; margin: 2.5rem 0 1rem; }
  .article-h3 { font-size: 1.12rem; margin: 2rem 0 0.8rem; }
  .article p { font-size: 16px; line-height: 2.05; }
  .article-lead { font-size: 1rem; }
  .pullquote { font-size: 1.02rem; padding: 1.25rem 1.35rem; }
  .numbered-list, .reference-list { font-size: 14.5px; padding-left: 1.2rem; }
}

/* ============ Contact form ============ */
.contact-form {
  margin-top: 2rem;
  padding: 2rem 1.75rem;
  background: var(--card);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
  border: 0;
}
.contact-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.form-row {
  margin-bottom: 1.5rem;
}
.form-row label {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.form-row .required {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.05rem 0.5rem;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--ember);
  border-radius: var(--radius-pill);
}
.form-row input[type="text"],
.form-row input[type="email"],
.form-row textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  border: 1.5px solid var(--paper-deep);
  border-radius: var(--radius-m);
  transition: border-color 0.2s ease;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--ember);
}
.form-row textarea {
  resize: vertical;
  min-height: 6rem;
  font-family: var(--font-sans);
}
.form-hint {
  margin: 0.5rem 0 0;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}
.contact-status {
  margin: 1.25rem 0 0;
  padding: 0.75rem 1rem;
  font-size: 14px;
  border-radius: var(--radius-m);
  background: var(--paper-shade);
  color: var(--ink-muted);
  min-height: 1.5rem;
}
.contact-status:empty { display: none; }
.contact-status-ok {
  color: var(--sage-deep);
  background: rgba(125, 139, 111, 0.1);
}
.contact-status-error {
  color: var(--ember-deep);
  background: rgba(224, 96, 77, 0.1);
}
#contact-submit:disabled {
  opacity: 0.6;
  cursor: wait;
}

/* ============ Mobile typography ============ */
@media (max-width: 640px) {
  body { font-size: 16px; line-height: 1.85; }
  .product-grid { grid-template-columns: 1fr; gap: 1.1rem; }
  .category-grid { grid-template-columns: 1fr; gap: 1.1rem; }
  .hero { padding: 1.5rem 0 2.5rem; }
  .container { padding: 0 1.25rem; }
  .contact-form { padding: 1.5rem 1.25rem; }
  .hero-lead { font-size: 15.5px; }
  .disclosure-block { padding: 1.5rem 1.4rem; }
  .product-image { padding: 1.2rem max(1.2rem, calc(50% - 130px)); }
}

/* ============ 記事内 比較表（選び分けの目安） ============ */
.compare-wrap { overflow-x: auto; margin: 1.25rem 0 2rem; }
.compare-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  font-size: 13.5px; line-height: 1.7;
  background: var(--card);
  border-radius: var(--radius-m);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.compare-table th, .compare-table td {
  padding: 0.85rem 0.8rem; border-bottom: 1px solid var(--rule-soft); text-align: left; vertical-align: top;
}
.compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-table tbody td { line-height: 1.85; }
.compare-table thead th {
  background: var(--paper-shade);
  color: var(--ink); font-weight: 700;
  font-size: 12px; letter-spacing: 0.04em;
}
.compare-table th:first-child, .compare-table td:first-child { width: 27%; }
.compare-table th:nth-child(2), .compare-table td:nth-child(2) { width: 42%; }
.compare-table .ct-sub { font-size: 11.5px; color: var(--ink-muted); letter-spacing: 0.02em; }

/* 本文内PRリンクの小タグ */
.inline-pr {
  display: inline-block; margin-left: 0.3em; padding: 0 0.4em;
  font-size: 9.5px; letter-spacing: 0.06em; vertical-align: 0.15em;
  color: var(--ink-muted); border: 1px solid var(--rule); border-radius: var(--radius-pill);
}

/* Article cover figure */
.article-cover {
  margin: 0 0 2.75rem;
  padding: 0;
}
.article-cover img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
}
@media (max-width: 640px) {
  .article-cover { margin: 0 0 2.2rem; }
}

/* a11y: in-prose links must not rely on color alone */
.article p a:not(.related-link),
.article ul.bare li a:not(.related-link),
.article .ad-note a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in srgb, var(--ember-deep) 55%, transparent);
}
.disclosure-block p a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* article bare list */
.article ul.bare { list-style: none; padding-left: 0; }
.article ul.bare li { margin-bottom: 0.6rem; }

/* ===== ぽかぽか手帖 hero placeholder (legacy fallback) ===== */
.hero-image-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  aspect-ratio: 16 / 11;
  width: 100%;
  border-radius: var(--radius-l);
  background:
    radial-gradient(120% 100% at 30% 20%, var(--paper-shade) 0%, var(--paper-deep) 60%, var(--amber) 140%);
  box-shadow: var(--shadow-lift);
}
.hero-image-mark {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 700;
  color: #fff;
  width: clamp(72px, 12vw, 104px);
  height: clamp(72px, 12vw, 104px);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--ember);
  box-shadow: 0 8px 20px rgba(224, 96, 77, 0.32);
}
.hero-image-text {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

/* "リンク先はAmazonの検索結果ページです" note under each card link */
.search-note {
  margin: 0.5rem 0 0;
  font-size: 11px;
  line-height: 1.5;
  color: var(--ink-faint);
  letter-spacing: 0.01em;
  text-align: center;
}

/* 読みもの (Reading list on hub) */
.reading-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.75rem;
}
.reading-list li {
  background: var(--card);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.reading-list li:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}
.reading-list a {
  display: block;
  padding: 1.15rem 1.4rem;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s ease;
}
.reading-list a:hover {
  color: var(--ember-deep);
}