/* =========================================
   そっと、暮らす。
   Editorial-quality design for HSP/繊細さん
   Palette inspired by Kinfolk + Cereal magazines
   ========================================= */

:root {
  /* Surface */
  --paper: #FAF6EF;
  --paper-shade: #F2EBDE;
  --paper-deep: #ECE3D2;
  --card: #FFFDF8;

  /* Ink */
  --ink: #2B2622;
  --ink-muted: #5E544A;
  --ink-soft: #8C8276;
  --ink-faint: #B5AB9C;

  /* Accents */
  --clay: #B57862;
  --clay-deep: #8E5840;
  --sage: #7D8B6F;
  --sage-deep: #5C6B4F;
  --dust: #C9A89E;
  --brass: #A48758;

  /* Lines */
  --rule: #E5DCC8;
  --rule-soft: #EFE7D5;

  /* Category accents (low-saturation, no purple) */
  --c-sleep: #C8B8A8;
  --c-sound: #A8B8B5;
  --c-light: #D4B89A;
  --c-scent: #A8B89A;
  --c-touch: #D4B8B0;
  --c-outing: #B8A890;
  --c-books: #B8A88A;

  /* Type */
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', 'Helvetica Neue', system-ui, sans-serif;

  /* Scale */
  --space-xs: 0.5rem;
  --space-s: 1rem;
  --space-m: 1.5rem;
  --space-l: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --measure: 36rem;
  --container-max: 78rem;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

::selection {
  background: var(--clay);
  color: var(--paper);
}

/* ============ 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(--clay);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============ 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(--paper-shade);
  border-bottom: 1px solid var(--rule);
  color: var(--ink-muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-align: center;
  padding: 0.45rem 1rem;
}
.compliance-bar strong {
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0.18em;
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 239, 0.94);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--rule-soft);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.logo:hover { color: var(--ink); }
.logo-mark {
  width: 28px; height: 28px;
  border: 1px solid var(--ink);
  display: inline-grid; place-items: center;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0;
  transform: translateY(2px);
  flex-shrink: 0;
}
.logo-text {
  font-size: 18px;
  white-space: nowrap;
}
.logo-tagline {
  display: block;
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--ink-soft);
  text-transform: uppercase;
  margin-top: -2px;
  white-space: nowrap;
}
.nav {
  display: flex;
  gap: 1.75rem;
  align-items: center;
}
.nav a {
  color: var(--ink-muted);
  font-size: 13px;
  letter-spacing: 0.16em;
  font-weight: 500;
}
.nav a:hover { color: var(--ink); }
@media (max-width: 640px) {
  .nav { gap: 0.9rem; }
  .nav a { font-size: 11px; letter-spacing: 0.08em; }
  .logo-tagline { display: none; }
  .logo { gap: 0.45rem; letter-spacing: 0.04em; }
  .logo-text { font-size: 14px; }
  .logo-mark { width: 24px; height: 24px; font-size: 12px; }
  .site-header .container { padding-top: 0.75rem; padding-bottom: 0.75rem; }
}
@media (max-width: 380px) {
  .nav { gap: 0.7rem; }
  .nav a { font-size: 10.5px; letter-spacing: 0.06em; }
}

/* ============ Hero ============ */
.hero {
  padding: var(--space-xl) 0 var(--space-2xl);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 4rem;
  align-items: center;
}
.hero-text { padding-right: 1rem; }
.hero-eyebrow {
  margin: 0 0 1.5rem;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--clay-deep);
}
.hero-title {
  margin: 0 0 2rem;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.45;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.hero-title .accent {
  color: var(--clay);
  font-weight: 500;
}
.hero-lead {
  margin: 0 0 2.5rem;
  font-size: 16px;
  line-height: 2;
  color: var(--ink-muted);
  max-width: 28rem;
}
.hero-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 2rem;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2em;
  border-radius: 0;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--clay-deep);
  border-color: var(--clay-deep);
  color: var(--paper);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.hero-image-wrap {
  position: relative;
  aspect-ratio: 2/1;
  overflow: hidden;
}
.hero-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.02);
}
.hero-image-caption {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: rgba(43, 38, 34, 0.55);
  background: rgba(250, 246, 239, 0.7);
  padding: 0.3rem 0.7rem;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-image-wrap { order: -1; aspect-ratio: 16/9; }
  .hero-text { padding-right: 0; }
}

/* ============ Section common ============ */
.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--clay-deep);
  margin: 0 0 1.25rem;
}
.section-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin: 0 0 1.5rem;
  color: var(--ink);
}
.section-title.small {
  font-size: 1.3rem;
  letter-spacing: 0.08em;
}
.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(--paper-shade);
  border-left: 2px solid var(--clay);
}
.does-card-letter {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--clay);
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: 0;
}
.does-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--ink);
}
.does-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-muted);
}
.science-note {
  margin: 2rem 0 0;
  padding: 1.2rem 1.4rem;
  background: transparent;
  border: 1px dashed var(--rule);
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink-muted);
}
.note {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.9;
}

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

/* ============ Checklist ============ */
.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: 1px solid var(--rule);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.checklist-item:hover { border-color: var(--clay); }
.checklist-item.checked {
  background: var(--paper-deep);
  border-color: var(--clay);
}
.checklist-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px; height: 18px;
  flex-shrink: 0;
  margin-top: 6px;
  border: 1px solid var(--ink-soft);
  border-radius: 0;
  cursor: pointer;
  position: relative;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.checklist-item input[type="checkbox"]:checked {
  background: var(--clay);
  border-color: var(--clay);
}
.checklist-item input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 5px; top: 1px;
  width: 5px; height: 10px;
  border-right: 2px solid var(--paper);
  border-bottom: 2px solid var(--paper);
  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: 1px solid var(--rule);
  text-align: center;
}
.result-label {
  margin: 0 0 0.5rem;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.result-count {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 500;
  color: var(--clay);
  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 ============ */
.section-categories { padding-top: var(--space-2xl); }
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.category-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--rule);
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.25s ease, transform 0.25s ease;
  position: relative;
  overflow: hidden;
}
.category-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}
.category-card-image {
  aspect-ratio: 1/1;
  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(1.04);
}
.category-card-num {
  position: absolute;
  top: 1rem; left: 1rem;
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(250, 246, 239, 0.85);
  background: rgba(43, 38, 34, 0.55);
  padding: 0.3rem 0.6rem;
}
.category-card-body { padding: 1.5rem 1.5rem 1.75rem; }
.category-card-kanji {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--clay-deep);
  font-weight: 500;
  letter-spacing: 0.12em;
}
.category-card h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--ink);
}
.category-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.85;
  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: 3rem;
  align-items: center;
  margin-bottom: 3rem;
}
.category-section-header-image {
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
}
.category-section-header-image img {
  width: 100%; height: 100%; object-fit: cover;
}
.category-section-num {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.34em;
  color: var(--clay-deep);
  margin: 0 0 0.8rem;
}
.category-section-title {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  letter-spacing: 0.04em;
  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: 1.5rem;
  }
  .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: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.product-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}
.product-image {
  aspect-ratio: 4/3;
  background: linear-gradient(180deg, #FCFAF5 0%, #F4ECDD 100%);
  object-fit: contain;
  object-position: center;
  width: 100%;
  padding: 1rem;
  border-bottom: 1px solid var(--rule-soft);
}
.product-body {
  padding: 1.5rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-grow: 1;
}
.product-name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.reason-block {
  background: var(--paper-shade);
  border-left: 2px solid var(--clay);
  padding: 1rem 1.1rem;
}
.reason-label {
  margin: 0 0 0.5rem;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clay-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: 0.65rem;
  margin-top: auto;
  padding: 0.95rem 1rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.18em;
  font-weight: 500;
  border: 1px solid var(--ink);
  transition: background 0.2s ease, color 0.2s ease;
}
.amazon-link:hover {
  background: var(--clay-deep);
  color: var(--paper);
  border-color: var(--clay-deep);
}
.pr-tag {
  font-size: 10px;
  letter-spacing: 0.24em;
  padding: 0.1rem 0.4rem;
  border: 1px solid currentColor;
  color: inherit;
  opacity: 0.7;
}

/* ============ Disclosure (Amazon) ============ */
.section-disclosure {
  background: var(--paper-shade);
}
.disclosure-block {
  background: var(--card);
  border: 1px solid var(--rule);
  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: 500;
  padding: 1rem 1.1rem;
  background: var(--paper-shade);
  border-left: 2px solid var(--clay);
  margin-top: 1rem;
}

/* ============ Footer ============ */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: var(--space-xl) 0 var(--space-l);
}
.site-footer .container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
}
.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin: 0 0 0.5rem;
}
.footer-tagline {
  margin: 0 0 1.5rem;
  font-size: 13px;
  letter-spacing: 0.18em;
  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, 253, 248, 0.08);
}
.footer-meta strong {
  color: var(--paper);
  font-weight: 500;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  font-size: 13px;
  letter-spacing: 0.12em;
}
.footer-nav a { color: var(--paper); opacity: 0.7; }
.footer-nav a:hover { color: var(--paper); opacity: 1; }
.footer-copy {
  grid-column: 1 / -1;
  margin: 2rem 0 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 253, 248, 0.08);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

@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(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.18em;
  text-decoration: none;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ============ Category editorial intro (magazine pull-quote) ============ */
.category-intro {
  margin: 0 0 3rem;
  padding: 0 0 0 2rem;
  border-left: 2px solid var(--clay-deep);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 2.1;
  letter-spacing: 0.04em;
  color: var(--ink);
  max-width: 48rem;
}
.category-intro p { margin: 0; }
.category-intro p + p { margin-top: 0.8rem; }
@media (max-width: 640px) {
  .category-intro {
    padding-left: 1.25rem;
    font-size: 0.98rem;
    line-height: 1.95;
  }
}

/* ============ Books category subgroups ============ */
.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-serif);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  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 ============ */
.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-serif);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--clay-deep);
  text-transform: uppercase;
}

/* ============ Six-Factor science card ============ */
.science-six-factor {
  margin: 2.5rem 0 0;
  padding: 2rem 1.75rem;
  background: var(--paper-shade);
  border-left: 2px solid var(--sage);
}
.science-six-factor h3 {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  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: 500;
}
.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 (About HSP) ============ */
.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-left: 2px solid var(--clay);
}
.six-factor-num {
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--clay-deep);
  margin: 0 0 0.5rem;
}
.six-factor-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 0.98rem;
  letter-spacing: 0.03em;
  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: 0.04em;
  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: 1.1rem 1.4rem;
  background: transparent;
  border: 1px dashed var(--rule);
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--ink-muted);
}
.does-legacy summary {
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.03em;
}
.does-legacy summary:hover { color: var(--clay-deep); }
.does-legacy p {
  margin: 1rem 0 0;
}
.does-legacy strong { color: var(--ink); font-weight: 500; }

/* ============ Mobile typography ============ */
@media (max-width: 640px) {
  body { font-size: 16px; line-height: 1.85; }
  .product-grid { grid-template-columns: 1fr; gap: 1rem; }
  .category-grid { grid-template-columns: 1fr; }
  .hero { padding: 2rem 0 3rem; }
  .container { padding: 0 1.25rem; }
}