:root {
  --bg: #FAFAF7;
  --panel: #FFFFFF;
  --ink: #1C2B33;
  --sub: #5B6B73;
  --line: #DFE4E2;
  --line-strong: #C7CFCC;

  --c-rare: #6E5AA3;
  --c-rare-bg: #F3F0FA;
  --c-bio: #236253;
  --c-bio-bg: #EBF4F1;
  --c-drug: #2E6F9E;
  --c-drug-bg: #EAF2F8;
  --c-nutri: #96592A;
  --c-nutri-bg: #FAF1E6;
}

/* * {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Zen Kaku Gothic New', 'Hiragino Sans', sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

 a {
  color: inherit;
} */

#contents .badge {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: .04em;
  padding: 8px 10px 9px;
  border-radius: 3px;
  background: #EEF1F0;
  color: var(--sub);
  margin-bottom: 14px;
}

/* ---------- overview strip (before/after framing) ---------- */
.compare-note {
  max-width: 1040px;
  margin: 22px auto 0;
  padding: 16px 24px;
  border: 1px solid var(--line);
  background: #F2F6F4;
  font-size: 13.5px;
  color: var(--sub);
}

#contents .compare-note p:last-child {
  margin-bottom: 0;
}

/* ---------- jump nav ---------- */
nav.jump {
  max-width: 1040px;
  margin: 26px auto 0;
  padding: 0;
}

#contents nav.jump ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

#contents nav.jump ul li {
  margin: 0;
  padding: 0;
  background: none;
}

nav.jump a {
  text-decoration: none;
  font-size: 1rem;
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  color: var(--ink);
  background: var(--panel);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: border-color .15s ease, background .15s ease;
}

nav.jump a:hover {
  border-color: var(--ink);
}

nav.jump a::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

nav.jump a[href="#rare"]::before {
  background: #6E5AA3;
}

nav.jump a[href="#bio"]::before {
  background: #2E7D6B;
}

nav.jump a[href="#drug"]::before {
  background: #2E6F9E;
}

nav.jump a[href="#nutri"]::before {
  background: #B8763A;
}

/* ---------- category sections ---------- */

#contents section.category {
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 24px;
  background: none;
  text-align: left;
}

section.category:first-of-type {
  margin-top: 44px;
}

.cat-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
}

.cat-bar {
  width: 5px;
  align-self: stretch;
  border-radius: 3px;
  flex-shrink: 0;
}

#contents .cat-head h2 {
  font-family: serif;
  font-size: 1.3125rem;
  font-weight: 600;
  margin: 0 0 8px;
  padding: 0;
}

#contents .cat-head h2::before {
  display: none;
}

#contents .cat-head p {
  margin: 0;
  color: var(--sub);
  font-size: 0.875rem;
  max-width: 60ch;
}

.db-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width:680px) {
  .db-grid {
    grid-template-columns: 1fr;
  }
}

.db-card {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.db-card.highlight {
  border-color: var(--c-bio);
  background: var(--c-bio-bg);
}

.db-card>p {
  margin: 0;
}

#contents .db-card .db-name {
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  line-height: 1.6;
}

.db-card .db-name:hover {
  text-decoration: underline;
}

#contents .db-card .db-desc {
  font-size: 0.875rem;
  color: var(--sub);
  margin: 0;
}

#contents .db-card .db-tag {
  font-size: 0.875rem;
  color: var(--c-bio);
  font-weight: 700;
  letter-spacing: .03em;
  margin: 0 0 2px;
}

.ext-icon {
  width: 11px;
  height: 11px;
  flex-shrink: 0;
  opacity: .55;
}

/* grouped card (parent + children) spans full width */
.db-card.parent {
  grid-column: 1 / -1;
}

#contents .child-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

#contents .child-list li {
  background: #f7f8f7;
  line-height: 1.4;
}


@media (max-width:820px) {
  .child-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.child-item {
  font-size: 0.78125rem;
  padding: 10px 12px;
  background: #F7F8F7;
  border: 1px solid var(--line);
}

.child-item a {
  font-weight: 700;
  text-decoration: none;
  display: block;
  margin-bottom: 3px;
  line-height: 1.4;
}

.child-item a:hover {
  text-decoration: underline;
}

.child-item span {
  color: var(--sub);
  font-size: 0.7375rem;
}

footer.note {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px 60px;
  font-size: 0.78125rem;
  color: var(--sub);
}

/* category color assignment */
#rare .cat-bar {
  background: var(--c-rare);
}

#rare .badge {
  background: var(--c-rare-bg);
  color: var(--c-rare);
}

#bio .cat-bar {
  background: var(--c-bio);
}

#bio .badge {
  background: var(--c-bio-bg);
  color: var(--c-bio);
}

#drug .cat-bar {
  background: var(--c-drug);
}

#drug .badge {
  background: var(--c-drug-bg);
  color: var(--c-drug);
}

#nutri .cat-bar {
  background: var(--c-nutri);
}

#nutri .badge {
  background: var(--c-nutri-bg);
  color: var(--c-nutri);
}