:root {
  --bg: #07111f;
  --bg-2: #0b1630;
  --bg-3: #111936;
  --text: #f7f0df;
  --muted: #d8d2c3;
  --gold: #d8c077;
  --gold-deep: #bfa46a;
  --purple: #9d7adf;
  --purple-deep: #7b61c9;
  --danger: #e06060;
  --success: #78c89a;
  --line: rgba(247, 240, 223, 0.18);
  --glass: rgba(12, 24, 52, 0.62);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 72% 12%, rgba(157, 122, 223, 0.18), transparent 32rem),
    radial-gradient(circle at 15% 44%, rgba(216, 192, 119, 0.11), transparent 28rem),
    linear-gradient(180deg, var(--bg), var(--bg-2) 46%, var(--bg-3));
  color: var(--text);
  font-family: system-ui, "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  line-height: 1.75;
}

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

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

button,
input {
  font: inherit;
}

svg {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.visually-hidden {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 48px);
  background: linear-gradient(180deg, rgba(7, 17, 31, 0.88), rgba(7, 17, 31, 0.34));
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(247, 240, 223, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--text);
}

.brand__icon {
  color: var(--gold);
  filter: drop-shadow(0 0 10px rgba(216, 192, 119, 0.65));
  font-size: 1.35rem;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 3vw, 34px);
  font-size: 0.94rem;
  color: rgba(247, 240, 223, 0.9);
}

.site-nav a,
.site-footer a {
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--gold);
}

.header-actions {
  display: flex;
  gap: 10px;
}

.icon-button {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.menu-button span:not(.visually-hidden) {
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.hero {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px clamp(22px, 8vw, 126px) 110px;
  border-bottom-left-radius: 56px;
}

.hero__image,
.hero__shade {
  position: absolute;
  inset: 0;
}

.hero__image {
  background-image: url("public/images/hero-night-bedroom.webp");
  background-position: center right;
  background-size: cover;
  transform: scale(1.01);
}

.hero__shade {
  background:
    linear-gradient(90deg, rgba(7, 17, 31, 0.98) 0%, rgba(7, 17, 31, 0.82) 34%, rgba(7, 17, 31, 0.24) 72%),
    linear-gradient(180deg, rgba(7, 17, 31, 0.24), rgba(7, 17, 31, 0.88));
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 580px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "YuMincho", serif;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 28px;
  font-size: clamp(4.2rem, 9vw, 8.7rem);
  line-height: 1.08;
  text-shadow: 0 0 32px rgba(216, 192, 119, 0.18);
}

.hero__copy {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.22rem);
}

.primary-cta,
.ghost-button,
.save-button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.primary-cta {
  min-width: min(100%, 360px);
  padding: 14px 28px;
  color: #fffaf5;
  background: linear-gradient(135deg, #bda3ff, var(--purple-deep));
  box-shadow: 0 14px 40px rgba(123, 97, 201, 0.34);
  font-weight: 700;
}

.primary-cta:hover,
.save-button:hover,
.ghost-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 48px rgba(157, 122, 223, 0.32);
}

.hero__note {
  margin: 18px 0 0;
  color: rgba(247, 240, 223, 0.84);
  font-size: 0.92rem;
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 76px 0 0;
}

.section-heading h2 {
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.35;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
}

.section-heading--row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.section-heading--row a {
  color: var(--gold);
}

.category-grid,
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.section--hubs {
  padding-top: 64px;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.hub-card {
  display: block;
  padding: 24px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.hub-card:hover {
  transform: translateY(-3px);
  border-color: rgba(216, 192, 119, 0.5);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.4), 0 0 28px rgba(216, 192, 119, 0.1);
}

.cornerstone-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.cornerstone-card {
  display: block;
  padding: 22px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.cornerstone-card:hover {
  transform: translateY(-3px);
  border-color: rgba(216, 192, 119, 0.5);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.4), 0 0 28px rgba(216, 192, 119, 0.1);
}

.cornerstone-card h3 {
  font-size: 1.05rem;
  margin: 0 0 6px;
}

.cornerstone-card p {
  margin: 0;
  color: rgba(242, 234, 211, 0.78);
  font-size: 0.92rem;
  line-height: 1.55;
}

.hub-card__kicker {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--purple);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
}

.hub-card h3 {
  margin-bottom: 8px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.3rem;
}

.hub-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.intent-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.intent-card {
  display: block;
  padding: 22px 20px;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.intent-card:hover {
  transform: translateY(-3px);
  border-color: rgba(216, 192, 119, 0.5);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.4), 0 0 28px rgba(216, 192, 119, 0.1);
}

.intent-card__icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 10px;
}

.intent-card h3 {
  margin: 0 0 8px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.08rem;
  color: var(--text);
}

.intent-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.glass-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.category-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  padding: 24px;
}

.category-card h3,
.article-card h3,
.feature-item p {
  margin-bottom: 8px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
}

.category-card p,
.article-card p,
.preview-card p,
.result-card p {
  color: var(--muted);
}

.category-card a {
  color: var(--gold);
  font-size: 0.9rem;
}

.category-icon {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, #668de4, #425aa7);
  font-size: 2.1rem;
}

.category-icon--purple {
  background: linear-gradient(135deg, #d19de4, #8461b9);
}

.category-icon--gold {
  background: linear-gradient(135deg, #e7bb60, #b98d3c);
}

.diagnosis-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(330px, 0.9fr);
  gap: clamp(22px, 3vw, 34px);
  align-items: start;
}

.section--diagnosis {
  scroll-margin-top: 92px;
}

.form-card,
.result-card,
.preview-card {
  padding: clamp(22px, 3vw, 34px);
}

.form-card .section-heading {
  margin-bottom: 26px;
}

.form-card .section-heading h2 {
  max-width: 14em;
  font-size: clamp(1.7rem, 3.1vw, 2.45rem);
}

.form-card .section-heading p:not(.eyebrow) {
  max-width: 48em;
}

.diagnosis-form {
  display: grid;
  gap: 26px;
}

fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 12px;
  font-weight: 700;
  color: var(--text);
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.option-grid label {
  display: flex;
  min-height: 48px;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(247, 240, 223, 0.13);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.045);
  color: rgba(247, 240, 223, 0.92);
  cursor: pointer;
  line-height: 1.45;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
  -webkit-tap-highlight-color: transparent;
}

.option-grid label:has(input:checked) {
  border-color: rgba(216, 192, 119, 0.75);
  background: rgba(216, 192, 119, 0.12);
  box-shadow: inset 0 0 0 1px rgba(216, 192, 119, 0.22);
  transform: translateY(-1px);
}

.option-grid input {
  flex: 0 0 auto;
  accent-color: var(--gold);
}

.option-grid label:focus-within {
  outline: 2px solid rgba(216, 192, 119, 0.5);
  outline-offset: 3px;
}

.form-submit {
  width: 100%;
}

.result-card {
  position: sticky;
  top: 96px;
  scroll-margin-top: 92px;
}

.result-card h2 {
  margin-bottom: 12px;
  color: var(--gold);
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1.35;
}

.result-card > p:not(.eyebrow) {
  margin-bottom: 0;
}

.result-card.is-updated {
  animation: result-reveal 520ms ease both;
  border-color: rgba(216, 192, 119, 0.44);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42), 0 0 34px rgba(216, 192, 119, 0.12);
}

.risk-meter {
  margin: 24px 0;
}

.risk-meter span,
.risk-meter strong {
  display: inline-block;
  margin-bottom: 8px;
}

.risk-meter strong {
  float: right;
  color: var(--gold);
}

.meter-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
}

.meter-track span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--success), var(--gold), var(--danger));
  transition: width 260ms ease;
}

.result-actions {
  padding: 18px;
  border: 1px solid rgba(247, 240, 223, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
}

.result-actions h3 {
  margin-bottom: 10px;
}

.result-actions ol {
  margin: 0;
  padding-left: 1.3rem;
  color: var(--muted);
}

.ghost-button {
  width: 100%;
  margin-top: 20px;
  padding: 12px 20px;
  border: 1px solid rgba(247, 240, 223, 0.22);
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
}

.preview-and-articles {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 22px;
  align-items: start;
}

.preview-card__header {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--gold);
}

.preview-card__header h2 {
  margin: 0;
  font-size: 1.15rem;
  font-family: system-ui, "Noto Sans JP", sans-serif;
}

.preview-card__body {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 20px;
  margin-top: 18px;
}

.preview-orb {
  position: relative;
  width: 132px;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(216, 192, 119, 0.4);
  overflow: hidden;
  background:
    radial-gradient(circle at 40% 35%, #ffe3aa 0 20%, transparent 21%),
    radial-gradient(circle at 48% 42%, rgba(255, 227, 170, 0.36) 0 32%, transparent 33%),
    linear-gradient(145deg, #26347d, #111936 58%, #080f22);
  box-shadow: inset 0 0 32px rgba(216, 192, 119, 0.12), 0 0 32px rgba(157, 122, 223, 0.18);
}

.preview-orb::before,
.preview-orb::after {
  position: absolute;
  content: "";
  left: 0;
  right: 0;
  bottom: 0;
  height: 36%;
  background: linear-gradient(135deg, rgba(157, 122, 223, 0.34), rgba(7, 17, 31, 0.8));
  clip-path: polygon(0 76%, 16% 48%, 32% 62%, 48% 28%, 66% 56%, 82% 38%, 100% 64%, 100% 100%, 0 100%);
}

.preview-orb::after {
  height: 24%;
  opacity: 0.8;
  transform: translateY(10px);
}

.preview-orb span {
  position: absolute;
  right: 14px;
  bottom: 18px;
  width: 34px;
  height: 54px;
  border-radius: 999px 999px 16px 16px;
  background: linear-gradient(180deg, rgba(247, 240, 223, 0.26), rgba(157, 122, 223, 0.28));
}

.stars {
  display: grid;
  gap: 4px;
  margin: 16px 0;
}

.stars div {
  display: grid;
  grid-template-columns: 6.5em 1fr;
  gap: 8px;
}

.stars dt {
  color: var(--muted);
}

.stars dd {
  margin: 0;
  color: var(--gold);
}

.save-button {
  min-height: 44px;
  padding: 10px 22px;
  color: #2b1f0a;
  background: linear-gradient(135deg, #ffe0a0, var(--gold));
  font-weight: 700;
}

.save-status {
  min-height: 1.4em;
  margin: 10px 0 0;
  color: var(--success);
  font-size: 0.9rem;
}

.share-status {
  min-height: 1.2em;
  margin: 10px 0 0;
  color: var(--success);
  font-size: 0.88rem;
}

.result-related {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(247, 240, 223, 0.12);
}

.result-related p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.84rem;
}

.result-related a {
  display: inline-block;
  margin: 0 8px 8px 0;
  padding: 6px 12px;
  border: 1px solid rgba(216, 192, 119, 0.4);
  border-radius: 999px;
  color: var(--gold);
  font-size: 0.86rem;
  transition: background-color 180ms ease;
}

.result-related a:hover {
  background: rgba(216, 192, 119, 0.12);
}

.articles-block {
  min-width: 0;
}

.article-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
}

.article-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid rgba(247, 240, 223, 0.1);
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-card__content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 18px;
}

.article-card__content span {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 10px;
  border-radius: 999px;
  color: #fff;
  background: rgba(157, 122, 223, 0.75);
  font-size: 0.78rem;
}

.article-card h3 {
  margin-bottom: 10px;
  line-height: 1.55;
}

.article-card p {
  margin-bottom: 18px;
  flex: 1;
  font-size: 0.95rem;
}

.article-card time {
  margin-top: auto;
  color: rgba(247, 240, 223, 0.72);
  font-size: 0.88rem;
}

.feature-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 76px;
  padding: 30px clamp(18px, 6vw, 72px);
  border-top: 1px solid rgba(247, 240, 223, 0.1);
  border-bottom: 1px solid rgba(247, 240, 223, 0.1);
  background: linear-gradient(90deg, rgba(216, 192, 119, 0.09), rgba(157, 122, 223, 0.12));
}

.feature-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: center;
}

.feature-item span {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border: 1px solid rgba(216, 192, 119, 0.52);
  border-radius: 50%;
  color: var(--gold);
  font-size: 1.8rem;
}

.feature-item p {
  margin: 0;
  color: var(--text);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 22px;
  align-items: center;
  padding: 34px clamp(18px, 4vw, 48px);
  color: var(--muted);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
}

.site-footer p {
  margin: 0;
}

.site-footer .footer-policy {
  grid-column: 1 / -1;
  order: 9;
  max-width: 72ch;
  margin: 4px 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--muted);
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .menu-button {
    display: flex;
    justify-self: end;
  }

  .site-nav,
  .header-actions {
    display: none;
  }

  .site-nav.is-open {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding-top: 8px;
  }

  .site-nav.is-open a {
    padding: 10px 12px;
    border: 1px solid rgba(247, 240, 223, 0.1);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
  }

  .diagnosis-layout,
  .preview-and-articles,
  .feature-band {
    grid-template-columns: 1fr;
  }

  .result-card {
    position: static;
  }

  .article-grid {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    gap: 12px;
    padding: 12px 16px;
  }

  .brand {
    font-size: 0.95rem;
  }

  .hero {
    min-height: auto;
    padding: 96px 18px 48px;
    border-bottom-left-radius: 34px;
  }

  .hero__image {
    background-position: 58% center;
  }

  .hero__shade {
    background:
      linear-gradient(180deg, rgba(7, 17, 31, 0.94), rgba(7, 17, 31, 0.72) 58%, rgba(7, 17, 31, 0.92)),
      linear-gradient(90deg, rgba(7, 17, 31, 0.88), rgba(7, 17, 31, 0.28));
  }

  h1 {
    margin-bottom: 20px;
    font-size: clamp(3.25rem, 15vw, 4.9rem);
  }

  .hero__copy {
    margin-bottom: 22px;
    font-size: 1rem;
  }

  .primary-cta {
    width: 100%;
    min-height: 56px;
    padding-inline: 20px;
  }

  .section {
    width: min(100% - 28px, 1180px);
    padding-top: 54px;
  }

  .form-card,
  .result-card,
  .preview-card {
    padding: 20px 16px;
  }

  .diagnosis-form {
    gap: 22px;
  }

  .option-grid {
    gap: 9px;
  }

  .option-grid label {
    min-height: 54px;
    padding: 12px 13px;
  }

  .category-grid,
  .article-grid,
  .option-grid,
  .hub-grid,
  .intent-grid,
  .cornerstone-grid {
    grid-template-columns: 1fr;
  }

  .section--seasonal {
    padding-top: 56px;
  }

  .seasonal-banner {
    padding: clamp(26px, 4vw, 44px);
    background: linear-gradient(135deg, rgba(216, 192, 119, 0.16), rgba(157, 122, 223, 0.18));
  }

  .seasonal-banner h2 {
    font-size: clamp(1.8rem, 4vw, 3rem);
  }

  .seasonal-banner p:not(.eyebrow) {
    color: var(--muted);
    max-width: 52em;
  }

  .seasonal-banner .primary-cta {
    margin-top: 18px;
  }

  .article-grid {
    overflow: visible;
  }

  .category-card {
    grid-template-columns: 1fr;
  }

  .preview-card__body {
    grid-template-columns: 1fr;
  }

  .preview-orb {
    width: 118px;
  }

  .article-card__content {
    padding: 16px;
  }

  .feature-band {
    margin-top: 54px;
    padding-block: 22px;
  }

  .feature-item {
    align-items: start;
  }

  .section-heading--row {
    align-items: start;
    flex-direction: column;
  }

  .site-nav.is-open {
    grid-template-columns: 1fr;
  }
}

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

@keyframes result-reveal {
  from {
    opacity: 0.78;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}


.research-hub {
  padding-top: 56px;
}

.section--faq .faq-block {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: clamp(20px, 3vw, 30px);
  backdrop-filter: blur(18px);
}

.section--faq .faq-block details {
  border-top: 1px solid rgba(247, 240, 223, 0.12);
  padding: 16px 0;
}

.section--faq .faq-block details:first-child {
  border-top: 0;
  padding-top: 0;
}

.research-card {
  padding: clamp(24px, 4vw, 42px);
  background: linear-gradient(135deg, rgba(12, 24, 52, 0.72), rgba(37, 31, 75, 0.62));
}

.research-card h2 {
  max-width: 14em;
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.research-card p {
  max-width: 58em;
  color: var(--muted);
}

.research-links,
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.research-links a,
.related-grid a {
  min-height: 58px;
  padding: 14px 16px;
  border: 1px solid rgba(247, 240, 223, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--gold);
}

.takeaways {
  background: linear-gradient(180deg, rgba(157, 122, 223, 0.12), rgba(157, 122, 223, 0.04));
  border: 1px solid rgba(157, 122, 223, 0.28);
}

.takeaway-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  gap: 10px;
  counter-reset: tk;
}

.takeaway-list li {
  position: relative;
  padding-left: 38px;
  line-height: 1.7;
  color: var(--text);
}

.takeaway-list li::before {
  counter-increment: tk;
  content: counter(tk);
  position: absolute;
  left: 0;
  top: 2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  color: #0b1630;
  background: var(--gold);
}

.article-diagram .diagram-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(8, 16, 28, 0.45);
  padding: 0.75rem;
}
.article-diagram svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 640px;
  margin: 0 auto;
}

.checklist-box {
  background: rgba(216, 192, 119, 0.07);
  border: 1px solid rgba(216, 192, 119, 0.3);
}

.checklist-box__hint {
  font-size: 0.86rem;
  color: var(--muted);
  margin: 6px 0 16px;
}

.print-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.print-checklist li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(247, 240, 223, 0.1);
  line-height: 1.65;
}

.print-check {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 6px;
  border: 2px solid var(--gold);
  background: transparent;
}

.more-in-cat {
  border-top: 1px solid rgba(247, 240, 223, 0.1);
  padding-top: 28px;
}

.more-in-cat__hub {
  margin: 0 0 6px;
}

.more-in-cat__hub a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--cream);
  background: var(--glass-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 18px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.more-in-cat__hub a:hover {
  transform: translateY(-2px);
  background: rgba(247, 240, 223, 0.14);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
}

.more-in-cat__hub a span {
  color: var(--violet);
}

.hub-pick {
  background: linear-gradient(180deg, rgba(157, 122, 223, 0.1), rgba(157, 122, 223, 0.03));
  border: 1px solid rgba(157, 122, 223, 0.26);
}

.hub-pick__card {
  display: block;
  margin-top: 16px;
  padding: 20px 22px;
  text-decoration: none;
}

.hub-pick__card span {
  font-size: 0.8rem;
  color: var(--gold);
}

.hub-pick__card h3 {
  margin: 6px 0 8px;
  color: var(--text);
  font-size: 1.15rem;
}

.hub-pick__card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.hub-siblings {
  border-top: 1px solid rgba(247, 240, 223, 0.1);
  padding-top: 28px;
}

.hub-steps {
  background: linear-gradient(135deg, rgba(157, 122, 223, 0.1), rgba(216, 192, 119, 0.06));
  border: 1px solid rgba(157, 122, 223, 0.26);
}

.step-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: step;
}

.step-list li {
  position: relative;
  padding-left: 52px;
  line-height: 1.7;
  color: var(--muted);
}

.step-list li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #07111f;
  background: linear-gradient(135deg, #ffe0a0, var(--purple-deep));
  box-shadow: 0 6px 18px rgba(123, 97, 201, 0.3);
}

.step-list li strong {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
  font-size: 1.05rem;
}

@media print {
  .print-checklist li { border-color: #bbb; }
  .print-check { border-color: #333; }
}

.article-page .site-header {
  position: sticky;
}

.site-nav--article {
  justify-content: end;
}

.article-shell {
  width: min(920px, calc(100% - 36px));
  margin: 0 auto;
  padding: 58px 0 86px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  color: rgba(247, 240, 223, 0.72);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--gold);
}

.article-hero {
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid rgba(247, 240, 223, 0.16);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(12, 24, 52, 0.78), rgba(30, 32, 72, 0.58));
  box-shadow: var(--shadow);
}

.article-hero h1 {
  font-size: clamp(2.35rem, 6vw, 4.6rem);
}

.article-lead {
  color: var(--muted);
  font-size: clamp(1.02rem, 2vw, 1.18rem);
}

.article-meta,
.note {
  color: rgba(247, 240, 223, 0.72);
  font-size: 0.92rem;
}

.article-section {
  margin-top: 34px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(247, 240, 223, 0.13);
  border-radius: 22px;
  background: rgba(12, 24, 52, 0.46);
}

.article-section h2 {
  font-size: clamp(1.55rem, 3vw, 2.35rem);
}

.article-section p,
.article-section li {
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(247, 240, 223, 0.12);
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--gold);
}

td a,
.source-box a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 1.4rem;
}

.faq-block details {
  border-top: 1px solid rgba(247, 240, 223, 0.12);
  padding: 14px 0;
}

.faq-block summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 700;
}

.source-box ul {
  display: grid;
  gap: 8px;
  padding-left: 1.2rem;
}

.article-cta {
  margin-top: 34px;
  padding: clamp(26px, 4vw, 42px);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(216, 192, 119, 0.16), rgba(157, 122, 223, 0.18));
}

.article-cta p {
  color: var(--muted);
}

@media (max-width: 760px) {
  .research-links,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .article-shell {
    width: min(100% - 28px, 920px);
    padding-top: 34px;
  }

  .article-hero,
  .article-section,
  .article-cta {
    border-radius: 18px;
  }
}

/* Article quality + share enhancements */
.toc {
  margin: 26px 0;
  padding: 18px 20px;
  border: 1px solid rgba(247, 240, 223, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
}

.toc__title {
  margin: 0 0 10px;
  color: var(--gold);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.toc ol {
  margin: 0;
  padding-left: 1.3rem;
}

.toc li {
  margin: 6px 0;
  color: var(--muted);
}

.toc a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(216, 192, 119, 0.4);
}

.toc a:hover {
  color: var(--gold);
}

.article-summary {
  margin-top: 30px;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(216, 192, 119, 0.34);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(216, 192, 119, 0.12), rgba(157, 122, 223, 0.12));
}

.article-summary h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.article-summary p {
  margin: 0;
  color: var(--text);
}

.share-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
}

.share-bar__label {
  color: var(--muted);
  font-size: 0.86rem;
}

.share-btn {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid rgba(247, 240, 223, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.share-btn:hover {
  transform: translateY(-2px);
  border-color: rgba(216, 192, 119, 0.6);
}

.share-x {
  background: #15181c;
  border-color: rgba(255, 255, 255, 0.18);
}

.share-line {
  background: #06c755;
  border-color: #06c755;
  color: #fff;
}

.share-fb {
  background: #1877f2;
  border-color: #1877f2;
  color: #fff;
}

@media (max-width: 760px) {
  .share-bar {
    gap: 8px;
  }
  .share-btn {
    padding: 0 14px;
    min-height: 38px;
  }
}

/* Sibling site cross-links in footer */
.footer-sites {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  grid-column: 1 / -1;
}

.footer-sites a {
  color: var(--muted);
  font-size: 0.86rem;
}

.footer-sites a:hover {
  color: var(--gold);
}

/* EEAT: editor note + author block */
.editor-note {
  border-color: rgba(157, 122, 223, 0.3);
  background: rgba(157, 122, 223, 0.1);
}

.editor-note p {
  color: var(--text);
}

.author-block {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-top: 30px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid rgba(247, 240, 223, 0.14);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.04);
}

.author-block__avatar {
  flex: none;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(216, 192, 119, 0.16);
  border: 1px solid rgba(216, 192, 119, 0.4);
  color: var(--gold);
  font-size: 1.5rem;
}

.author-block__name {
  margin: 2px 0 6px;
  font-weight: 700;
  color: var(--text);
}

.author-block__bio {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

/* Article index page */
.index-group {
  background: transparent;
  border: none;
  padding: 0;
}

.index-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.index-group__head h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

.index-group__more {
  color: var(--gold);
  text-decoration: none;
  white-space: nowrap;
  font-weight: 700;
}

.index-group .article-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.article-search {
  margin: 8px 0 34px;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(247, 240, 223, 0.14);
  display: grid;
  gap: 12px;
}

.article-search input[type="search"] {
  width: 100%;
  padding: 13px 16px;
  border-radius: 12px;
  border: 1px solid rgba(247, 240, 223, 0.2);
  background: rgba(7, 17, 31, 0.6);
  color: var(--text);
  font-size: 1rem;
}

.article-search input[type="search"]:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
}

.article-search__filters {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.article-search__filters label {
  color: var(--muted);
  font-size: 0.9rem;
}

.article-search__filters select {
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid rgba(247, 240, 223, 0.2);
  background: rgba(7, 17, 31, 0.6);
  color: var(--text);
}

.article-search__count {
  color: var(--gold);
  font-size: 0.85rem;
}

.saved-box {
  margin: 0 0 10px;
  padding: 18px 20px;
  border-radius: 18px;
  background: rgba(157, 122, 223, 0.1);
  border: 1px solid rgba(157, 122, 223, 0.28);
}

.saved-box h2 {
  margin: 0 0 12px;
  font-size: 1.15rem;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
}

.saved-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.saved-list a {
  display: block;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(247, 240, 223, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  text-decoration: none;
}

.saved-list a:hover {
  border-color: rgba(216, 192, 119, 0.5);
}

.share-save[aria-pressed="true"] {
  background: var(--gold);
  color: #07111f;
  border-color: var(--gold);
}

@media (max-width: 1100px) {
  .intent-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .index-group .article-grid {
    grid-template-columns: 1fr;
  }
}

/* Accessibility: skip link + focus-visible */
.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--glass-2, rgba(20, 30, 48, 0.95));
  border: 1px solid var(--line, rgba(247, 240, 223, 0.2));
  border-radius: 10px;
  color: var(--cream, #f7f0df);
  text-decoration: none;
  transition: top 0.18s ease;
}
.skip-link:focus {
  top: 12px;
}

:focus-visible {
  outline: 3px solid var(--violet, #9d7adf);
  outline-offset: 2px;
  border-radius: 6px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--violet, #9d7adf);
  outline-offset: 2px;
}

/* Diagnosis result reasons */
.result-reasons {
  margin: 10px 0 4px;
}
.result-reasons h3 {
  font-size: 0.95rem;
  margin: 0 0 6px;
  color: var(--gold, #d8c077);
}
.result-reasons ul {
  margin: 0;
  padding-left: 1.2em;
  display: grid;
  gap: 4px;
}
.result-reasons li {
  font-size: 0.92rem;
  color: var(--muted, #c9cdd6);
}
.result-restore-note,
.saved-note {
  font-size: 0.85rem;
  color: var(--muted, #c9cdd6);
  line-height: 1.7;
}

/* Saved results panel */
.saved-list {
  display: grid;
  gap: 14px;
  margin-top: 12px;
}
.saved-empty {
  font-size: 0.9rem;
  color: var(--muted, #c9cdd6);
}
.saved-item {
  border: 1px solid var(--line, rgba(247, 240, 223, 0.14));
  border-radius: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
}
.saved-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}
.saved-item__meta {
  font-size: 0.8rem;
  color: var(--muted, #c9cdd6);
}
.saved-reasons {
  margin: 8px 0;
  padding-left: 1.2em;
  font-size: 0.85rem;
  color: var(--muted, #c9cdd6);
}
.saved-delete {
  margin-top: 6px;
  background: transparent;
  border: 1px solid rgba(247, 240, 223, 0.2);
  color: var(--muted, #c9cdd6);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.85rem;
}
.saved-delete:hover {
  color: var(--cream, #f7f0df);
  border-color: var(--violet, #9d7adf);
}

/* ---- Header search button (replaces removed decorative icons) ---- */
.header-search {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(247, 240, 223, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text, #f7f0df);
  font-size: 1.2rem;
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}
.header-search:hover,
.header-search:focus-visible {
  color: var(--gold, #d8c077);
  border-color: rgba(216, 192, 119, 0.55);
  background: rgba(216, 192, 119, 0.08);
}
.header-actions,
.icon-button {
  display: none !important;
}

/* ---- Search dialog ---- */
.search-dialog[hidden] { display: none; }
.search-dialog {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.search-dialog__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 10, 20, 0.66);
  backdrop-filter: blur(4px);
}
.search-dialog__panel {
  position: relative;
  margin-top: clamp(56px, 12vh, 140px);
  width: min(640px, 92vw);
  max-height: 76vh;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(216, 192, 119, 0.3);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(13, 24, 46, 0.98), rgba(8, 17, 31, 0.98));
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}
.search-dialog__head {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(247, 240, 223, 0.12);
}
.search-dialog__head input {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(247, 240, 223, 0.16);
  border-radius: 12px;
  color: var(--text, #f7f0df);
  padding: 12px 14px;
  font-size: 1rem;
}
.search-dialog__head input:focus-visible {
  outline: none;
  border-color: var(--gold, #d8c077);
}
.search-dialog__close {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(247, 240, 223, 0.16);
  background: transparent;
  color: var(--text, #f7f0df);
  cursor: pointer;
  font-size: 1rem;
}
.search-dialog__results {
  overflow-y: auto;
  padding: 8px;
}
.search-result {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 14px;
  border-radius: 14px;
  text-decoration: none;
  color: var(--text, #f7f0df);
}
.search-result + .search-result { border-top: 1px solid rgba(247, 240, 223, 0.07); }
.search-result:hover { background: rgba(216, 192, 119, 0.08); }
.search-result__cat {
  font-size: 0.74rem;
  color: var(--gold, #d8c077);
  letter-spacing: 0.04em;
}
.search-result__title {
  font-weight: 700;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
}
.search-result__desc {
  font-size: 0.85rem;
  color: var(--muted, #c9cdd6);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.search-empty { padding: 20px; color: var(--muted, #c9cdd6); text-align: center; }

/* ---- Reading progress (article pages) ---- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 40;
  background: transparent;
  pointer-events: none;
}
.reading-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--gold-deep, #bfa46a), var(--gold, #d8c077));
  box-shadow: 0 0 12px rgba(216, 192, 119, 0.6);
  transition: width 80ms linear;
}

/* ---- Back to top ---- */
.back-to-top {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 1px solid rgba(216, 192, 119, 0.4);
  background: rgba(13, 24, 46, 0.9);
  color: var(--gold, #d8c077);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
  z-index: 35;
}
.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ---- Mobile CTA ---- */
.mobile-cta {
  display: none;
}
@media (max-width: 700px) {
  .mobile-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 38;
    padding: 14px 18px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--gold, #d8c077), var(--gold-deep, #bfa46a));
    color: #1a1306;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    justify-content: center;
  }
}

/* ---- Sticky TOC (desktop) ---- */
@media (min-width: 980px) {
  .toc {
    position: sticky;
    top: 92px;
    align-self: start;
  }
  .toc a.is-active {
    color: var(--gold, #d8c077);
    text-decoration-color: var(--gold, #d8c077);
  }
}

/* ---- Tools hub + interactive tools ---- */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.tool-card {
  display: block;
  padding: 24px;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.tool-card:hover {
  transform: translateY(-3px);
  border-color: rgba(216, 192, 119, 0.5);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.4), 0 0 28px rgba(216, 192, 119, 0.1);
}

.tool-card h3 {
  font-size: 1.1rem;
  margin: 0 0 8px;
}

.tool-card p {
  margin: 0;
  color: rgba(242, 234, 211, 0.78);
  font-size: 0.94rem;
  line-height: 1.6;
}

.tool-panel {
  display: block;
  padding: 28px;
  margin-top: 18px;
}

.tool-panel[hidden] {
  display: none;
}

.tool-panel label {
  display: block;
  margin: 16px 0 6px;
  font-weight: 600;
}

.tool-panel input[type="number"],
.tool-panel input[type="text"],
.tool-panel select {
  width: 100%;
  max-width: 340px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(216, 192, 119, 0.3);
  background: rgba(10, 20, 34, 0.6);
  color: #f2ead3;
  font-size: 1rem;
}

.tool-panel button {
  margin-top: 18px;
  padding: 11px 20px;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid rgba(216, 192, 119, 0.5);
  background: rgba(216, 192, 119, 0.16);
  color: #f2ead3;
  font-size: 1rem;
}

.tool-panel button:hover {
  background: rgba(216, 192, 119, 0.28);
}

.tool-result {
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid rgba(216, 192, 119, 0.35);
  background: rgba(10, 20, 34, 0.5);
}

.tool-result[hidden] {
  display: none;
}

.tool-result strong {
  color: var(--gold, #d8c077);
}

@media (max-width: 760px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Research / evidence map ---- */
.research-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.5rem;
}
.research-list li {
  list-style: "✦";
  padding-left: 0.4rem;
}
.evidence-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: end;
  margin-bottom: 1rem;
}
.evidence-filters label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--text-soft, #b8b2a3);
}
.evidence-filters select,
.evidence-filters input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text, #f7f0df);
  border-radius: 8px;
  padding: 0.4rem 0.5rem;
  font-size: 0.9rem;
}
.evidence-count {
  font-size: 0.85rem;
  color: var(--text-soft, #b8b2a3);
}
.table-scroll {
  overflow-x: auto;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.evidence-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  min-width: 920px;
}
.evidence-table th,
.evidence-table td {
  text-align: left;
  padding: 0.55rem 0.6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  vertical-align: top;
}
.evidence-table thead th {
  position: sticky;
  top: 0;
  background: var(--bg-3, #111936);
  color: var(--gold, #d8c077);
  white-space: nowrap;
}
.evidence-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}
.evidence-table a {
  color: var(--link, #cdb4f6);
}

/* ---- Decision friction matrix ---- */
.matrix-filter {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text, #f7f0df);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
  cursor: pointer;
}
.matrix-filter[aria-pressed="true"] {
  background: var(--gold, #d8c077);
  color: #1a1206;
  border-color: var(--gold, #d8c077);
}
.matrix-table th[scope="row"] {
  white-space: nowrap;
}
.matrix-cell {
  text-align: center;
  font-size: 1.1rem;
}
.matrix-mark {
  color: var(--gold, #d8c077);
}

/* ---- Citation kit + embed ---- */
.cite-block {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  margin: 0.75rem 0;
  overflow: hidden;
}
.cite-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0.6rem;
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.85rem;
}
.cite-copy {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text, #f7f0df);
  border-radius: 8px;
  padding: 0.2rem 0.6rem;
  cursor: pointer;
  font-size: 0.78rem;
}
.cite-block pre {
  margin: 0;
  padding: 0.7rem 0.8rem;
  background: rgba(0, 0, 0, 0.25);
  overflow-x: auto;
  font-size: 0.82rem;
  white-space: pre-wrap;
  word-break: break-all;
}
.embed-preview {
  border-radius: 12px;
  overflow: hidden;
}

/* Article -> research brief cross-link */
.research-brief-link {
  border-top: 1px solid rgba(216, 192, 119, 0.28);
  margin-top: 1.5rem;
  padding-top: 1.25rem;
}