:root {
  color-scheme: light;
  --bg: #f6f1ea;
  --bg-2: #fffaf4;
  --card: rgba(255, 255, 255, 0.82);
  --ink: #171717;
  --muted: #5d5a56;
  --line: rgba(23, 23, 23, 0.08);
  --accent: #c05a4f;
  --accent-2: #18233a;
  --shadow: 0 18px 50px rgba(30, 20, 12, 0.12);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(192, 90, 79, 0.14), transparent 34%),
    radial-gradient(circle at top right, rgba(24, 35, 58, 0.1), transparent 30%),
    linear-gradient(180deg, #fff 0%, var(--bg) 40%, #f3ede6 100%);
}

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

.page-shell {
  width: min(1040px, calc(100% - 24px));
  margin: 0 auto;
  padding: 12px 0 120px;
}

.hero {
  padding: 16px 0 10px;
}

.hero__topbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 12px 14px;
  margin-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-menu {
  position: relative;
  flex: 0 0 auto;
}

.site-menu > summary {
  list-style: none;
}

.site-menu > summary::-webkit-details-marker {
  display: none;
}

.menu-toggle {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.08);
  cursor: pointer;
}

.menu-toggle__icon {
  width: 18px;
  display: grid;
  gap: 4px;
}

.menu-toggle__icon span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: var(--ink);
}

.menu-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 190px;
  padding: 10px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(23, 23, 23, 0.08);
  box-shadow: 0 22px 48px rgba(17, 24, 39, 0.14);
  backdrop-filter: blur(18px);
  z-index: 10;
}

.menu-panel a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  border-radius: 14px;
  color: var(--muted);
  font-weight: 700;
}

.menu-panel a:hover {
  background: rgba(24, 35, 58, 0.05);
  color: var(--ink);
}

.site-menu:not([open]) .menu-panel {
  display: none;
}

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

.brand__mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #e98a72);
  color: #fff;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.brand__eyebrow,
.section-head__label,
.hero__badge,
.article-card__label,
.tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand__title {
  margin: 2px 0 0;
  font-size: 18px;
}

.ghost-pill,
.primary-btn,
.secondary-btn,
.chip,
.ranking-item a {
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.ghost-pill,
.secondary-btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
}

.hero__content,
.section-card {
  background: var(--card);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.hero__content {
  padding: 24px;
  border-radius: 32px;
}

.hero__content h2 {
  margin: 12px 0 0;
  font-size: clamp(34px, 8vw, 60px);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.hero__copy {
  margin: 14px 0 0;
  max-width: 40rem;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.hero__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.primary-btn {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 12px 24px rgba(23, 23, 23, 0.16);
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.hero__metrics > div {
  padding: 14px 12px;
  border-radius: 18px;
  background: rgba(24, 35, 58, 0.05);
  border: 1px solid rgba(24, 35, 58, 0.08);
}

.hero__metrics strong {
  display: block;
  font-size: 24px;
}

.hero__metrics span {
  font-size: 12px;
  color: var(--muted);
}

.section-card {
  margin-top: 16px;
  border-radius: var(--radius);
  padding: 20px;
}

.section-head h3 {
  margin: 6px 0 0;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.inline-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.pr-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(192, 90, 79, 0.12);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 16px;
}

.chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted);
}

.chip.is-active {
  background: var(--accent-2);
  color: #fff;
  border-color: transparent;
}

.recommend-grid,
.article-grid {
  display: grid;
  gap: 12px;
}

.recommend-card,
.article-card,
.stack-item {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.recommend-card h4,
.article-card h4,
.stack-item h4,
.ranking-item h4 {
  margin: 6px 0 6px;
  font-size: 18px;
}

.recommend-card p,
.article-card p,
.stack-item p,
.ranking-item p,
.faq-item p,
.disclosure p {
  margin: 0;
  line-height: 1.7;
  color: var(--muted);
}

.recommend-card a {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent-2);
  font-weight: 700;
}

.article-card a {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent-2);
  font-weight: 700;
}

.ranking-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.ranking-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.ranking-item__rank {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(192, 90, 79, 0.12), rgba(24, 35, 58, 0.1));
  font-weight: 800;
  font-size: 18px;
}

.ranking-item a {
  background: rgba(24, 35, 58, 0.08);
}

.stack-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.faq-item {
  margin-top: 10px;
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  padding-top: 10px;
}

.disclosure {
  background: linear-gradient(135deg, rgba(192, 90, 79, 0.08), rgba(255, 255, 255, 0.88));
}

.ctr-hero h1,
.list-hero h1,
.article-page h1 {
  margin: 0;
  font-size: clamp(30px, 7vw, 50px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.list-hero p,
.lead-text {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.list-stack,
.article-block {
  display: grid;
  gap: 12px;
}

.list-stack {
  margin-top: 16px;
}

.list-item h2,
.article-block h2 {
  margin: 0;
  font-size: 20px;
}

.list-item__meta,
.product-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.list-item a {
  color: var(--accent-2);
  font-weight: 800;
}

.callout,
.product-card {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.callout strong {
  display: block;
  margin-bottom: 8px;
}

.summary-grid,
.score-grid,
.voice-list {
  display: grid;
  gap: 12px;
}

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

.summary-card,
.voice-card,
.score-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.summary-card span,
.voice-card span,
.score-card strong {
  display: block;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary-card strong {
  display: block;
  margin: 8px 0;
  font-size: 24px;
}

.summary-card p,
.voice-card p {
  margin: 0;
  line-height: 1.7;
  color: var(--muted);
}

.score-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.score-card strong {
  margin-bottom: 8px;
}

.score-card span {
  display: block;
  font-size: 28px;
  color: var(--ink);
  font-weight: 800;
  line-height: 1;
}

.comparison-table {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1.1fr;
  gap: 1px;
  overflow: hidden;
  border-radius: 18px;
  background: rgba(23, 23, 23, 0.08);
}

.comparison-table > div {
  padding: 12px;
  background: rgba(255, 255, 255, 0.96);
  line-height: 1.5;
}

.comparison-table > div:nth-child(-n + 3) {
  font-weight: 800;
}

.bullet-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.8;
}

.product-card {
  display: grid;
  gap: 12px;
}

.product-card a {
  width: fit-content;
}

.generator-layout {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.generator-form {
  display: grid;
  gap: 12px;
}

.generator-form label {
  display: grid;
  gap: 8px;
}

.generator-form span {
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.generator-form input,
.generator-form select,
.generator-form textarea,
.draft-output {
  width: 100%;
  border: 1px solid rgba(23, 23, 23, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font: inherit;
}

.generator-form input,
.generator-form select {
  min-height: 48px;
  padding: 0 14px;
}

.generator-form textarea,
.draft-output {
  padding: 14px;
  line-height: 1.7;
}

.generator-form textarea {
  resize: vertical;
}

.generator-image {
  display: block;
  width: 100%;
  aspect-ratio: 1.2 / 1;
  object-fit: contain;
  border-radius: 24px;
  border: 1px solid rgba(23, 23, 23, 0.08);
  background: #fff;
}

.product-preview-card {
  overflow: hidden;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.product-preview-card__body {
  padding: 16px;
  display: grid;
  gap: 10px;
}

.product-preview-card__body h4 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

.product-preview-card__body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.detected-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.detected-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(24, 35, 58, 0.08);
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 700;
}

.save-status {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.history-list {
  display: grid;
  gap: 12px;
}

.history-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.history-card img {
  width: 100%;
  aspect-ratio: 1.5 / 1;
  object-fit: cover;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.history-card__body h4 {
  margin: 4px 0 6px;
  font-size: 18px;
}

.history-card__body p {
  margin: 0;
  color: var(--muted);
}

.history-card__body .inline-link-row {
  margin-top: 12px;
}

.generated-article-body {
  background:
    radial-gradient(circle at top left, rgba(192, 90, 79, 0.12), transparent 32%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

.generated-article {
  overflow: hidden;
}

.generated-hero {
  display: grid;
  gap: 16px;
  padding: 18px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.generated-hero__media {
  display: grid;
  gap: 10px;
}

.generated-hero__media > img {
  width: 100%;
  aspect-ratio: 1.4 / 1;
  object-fit: cover;
  border-radius: 22px;
  border: 1px solid rgba(23, 23, 23, 0.08);
  background: #fff;
}

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

.generated-hero__thumb-row img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.generated-hero__content h1 {
  margin: 8px 0 0;
  font-size: clamp(28px, 6vw, 46px);
  line-height: 1.08;
}

.generated-rating {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 14px 0;
}

.generated-rating strong {
  font-size: 46px;
  line-height: 1;
}

.generated-rating span {
  color: var(--muted);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.draft-output {
  min-height: 580px;
  white-space: pre-wrap;
}

.ctr-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0 18px;
}

.metric-card {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.metric-card strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.metric-card span {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.chart-image {
  width: 100%;
  display: block;
  border-radius: 24px;
  border: 1px solid rgba(23, 23, 23, 0.08);
  background: #fff;
}

.ctr-table {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.ctr-table__head,
.ctr-table__row {
  display: grid;
  grid-template-columns: 1.6fr 0.6fr 0.6fr 0.6fr;
  gap: 10px;
  align-items: center;
}

.ctr-table__head {
  padding: 0 6px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ctr-table__row {
  padding: 16px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(23, 23, 23, 0.08);
}

.empty-state {
  margin: 0;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px dashed rgba(23, 23, 23, 0.16);
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-shell {
    padding-top: 18px;
  }

  .hero__content {
    padding: 34px;
  }

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

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

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

  .article-page {
    max-width: 860px;
    margin-inline: auto;
  }

  .generator-layout {
    grid-template-columns: 1fr 1fr;
  }

  .generator-panel--wide {
    grid-column: 1 / -1;
  }

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

  .score-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .ctr-table__head,
  .ctr-table__row {
    grid-template-columns: 1.8fr 0.5fr 0.5fr 0.5fr;
  }
}

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

  .summary-grid,
  .score-grid {
    grid-template-columns: 1fr;
  }

  .mini-metrics {
    grid-template-columns: 1fr;
  }

  .generated-hero {
    grid-template-columns: 0.95fr 1.05fr;
    align-items: start;
  }

  .generated-hero__media {
    position: sticky;
    top: 20px;
  }

  .ctr-table__head,
  .ctr-table__row {
    grid-template-columns: 1fr;
  }

  .ctr-table__head {
    display: none;
  }
}

@media (max-width: 560px) {
  .hero__metrics {
    grid-template-columns: 1fr;
  }

  .ranking-item {
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .ranking-item a {
    grid-column: 1 / -1;
    justify-self: start;
    width: fit-content;
  }

  .hero__topbar {
    align-items: flex-start;
  }

  .menu-panel {
    min-width: 220px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero__content,
  .section-card {
    animation: rise 0.7s ease both;
  }

  .recommend-card,
  .ranking-item,
  .article-card,
  .stack-item {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  .recommend-card:hover,
  .ranking-item:hover,
  .article-card:hover,
  .stack-item:hover,
  .ghost-pill:hover,
  .primary-btn:hover,
  .secondary-btn:hover,
  .chip:hover,
  .menu-panel a:hover {
    transform: translateY(-2px);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}