:root {
  --tsum-ink: #102936;
  --tsum-muted: #4b6470;
  --tsum-paper: #f3f8fa;
  --tsum-surface: #ffffff;
  --tsum-line: #c9dfe7;
  --tsum-aqua: #55d9eb;
  --tsum-aqua-deep: #087b9d;
  --tsum-aqua-pale: #e7f9fd;
  --tsum-navy: #123f5f;
  --tsum-yellow: #ffd35c;
  --tsum-danger: #c33d4f;
  --tsum-radius: 6px;
  --tsum-shadow: 0 8px 20px rgba(16, 62, 83, .07);
}

/* Fumeidayo Lab network header */
.lab-network {
  position: relative;
  z-index: 1001;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 8px max(16px, calc((100% - 1120px) / 2));
  color: var(--tsum-ink);
  background: #fff;
  border-bottom: 1px solid #d7e0dc;
  font-family: "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.4;
}
.lab-network a { color: var(--tsum-ink); text-decoration: none; font-weight: 900; }
.lab-network > a { display: inline-flex; align-items: center; white-space: nowrap; }
.lab-network > a::before {
  content: "";
  width: 34px;
  height: 34px;
  margin-right: 9px;
  display: inline-block;
  background: url("../images/fumeidayo-lab-mark.png") center / contain no-repeat;
  vertical-align: middle;
}
.lab-network nav { display: flex; align-items: center; gap: 20px; }
.lab-network nav a {
  color: #40515a;
  padding: 5px 0;
  border-bottom: 2px solid transparent;
}
.lab-network a:hover,
.lab-network nav a:hover {
  color: #087b9d;
  border-bottom-color: var(--tsum-aqua-deep);
}

/* Tsum Tsum section navigation */
.site-nav {
  top: 0 !important;
  z-index: 1000 !important;
  background: rgba(231, 249, 253, .98) !important;
  border-bottom: 1px solid #acd9e5 !important;
  box-shadow: none !important;
  backdrop-filter: blur(10px);
}
.site-nav-inner {
  width: min(1120px, calc(100% - 32px)) !important;
  max-width: 1120px !important;
  min-height: 62px;
  margin: 0 auto !important;
  padding: 10px 0 !important;
  gap: 22px !important;
}
.site-brand {
  color: var(--tsum-navy) !important;
  font-family: "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif !important;
  font-size: 1rem !important;
  font-weight: 950 !important;
}
.site-brand img {
  width: 38px !important;
  height: 38px !important;
  margin-right: 9px !important;
  border: 1px solid #91cbd9;
  border-radius: 6px !important;
  box-shadow: none !important;
}
.site-brand-sub {
  border-left-color: #96cbd8 !important;
  color: #4f7180 !important;
}
.site-nav-links { gap: 18px !important; }
.site-nav-links a {
  padding: 8px 0 7px !important;
  color: #315464 !important;
  border-bottom: 3px solid transparent !important;
  font-family: "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif !important;
  font-size: .9rem !important;
  font-weight: 900 !important;
}
.site-nav-links a:hover,
.site-nav-links a[aria-current="page"] {
  color: #055f7a !important;
  border-bottom-color: var(--tsum-aqua-deep) !important;
}

/* Shared page foundation */
html { scroll-padding-top: 78px; }
body {
  color: var(--tsum-ink) !important;
  background: var(--tsum-paper) !important;
  font-family: "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif !important;
  line-height: 1.75;
  letter-spacing: 0 !important;
}
body::before,
body::after,
.hero::after,
.header::after { display: none !important; }
.page,
.app,
.news-page,
.article-shell {
  width: min(1120px, calc(100% - 32px)) !important;
  max-width: 1120px !important;
  margin-inline: auto !important;
}
.article-shell { max-width: 920px !important; }

.hero,
.header,
.page-heading,
.article-header {
  position: relative;
  overflow: hidden;
  margin: 22px 0 20px !important;
  padding: clamp(24px, 4vw, 44px) !important;
  color: var(--tsum-ink) !important;
  background: var(--tsum-aqua-pale) !important;
  border: 1px solid #b7dce6 !important;
  border-top: 7px solid var(--tsum-aqua) !important;
  border-radius: var(--tsum-radius) !important;
  box-shadow: none !important;
}
.page-heading,
.article-header { border-bottom: 1px solid #b7dce6 !important; }
.hero-logo {
  border: 1px solid #9acfdc !important;
  border-radius: var(--tsum-radius) !important;
  box-shadow: 4px 4px 0 #9fdce8 !important;
}

h1,
h2,
h3,
.hero h1,
.header h1,
.page-heading h1,
.article-header h1,
.section-title {
  color: var(--tsum-navy) !important;
  font-family: "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif !important;
  font-weight: 950 !important;
  letter-spacing: 0 !important;
  text-shadow: none !important;
}
.hero h1,
.header h1 {
  font-size: clamp(2rem, 5vw, 3.75rem) !important;
  line-height: 1.13 !important;
}
.page-heading h1,
.article-header h1 { font-size: clamp(1.8rem, 4.4vw, 2.8rem) !important; }
.hero p,
.header p,
.page-heading p,
.article-header p,
.lead,
.hint,
.subtitle,
.hero-text,
.archive-note {
  color: var(--tsum-muted) !important;
  text-shadow: none !important;
}
.hero-label,
.eyebrow,
.label,
.updated,
.update-date,
.status,
.pill {
  color: #075e77 !important;
  background: #fff !important;
  border: 1px solid #9dd2df !important;
  border-radius: 4px !important;
  box-shadow: none !important;
  text-shadow: none !important;
  font-weight: 900 !important;
}

/* Cards and section rhythm */
.card,
.adsense-quality-note,
.article-box,
.feature,
.link-card,
.route-card,
.info-card,
.media-card,
.result-card,
.summary-box,
.quality-box,
.step,
.top-card,
.notice-card,
.news-row,
.gacha-update,
.summary-grid,
.official-media > a,
.table-wrap {
  color: var(--tsum-ink) !important;
  background: var(--tsum-surface) !important;
  border: 1px solid var(--tsum-line) !important;
  border-radius: var(--tsum-radius) !important;
  box-shadow: var(--tsum-shadow) !important;
}
.card,
.adsense-quality-note,
.article-box,
.quality-box {
  margin-bottom: 18px !important;
  padding: clamp(18px, 3vw, 30px) !important;
}
.section-title,
.article-section h2 {
  padding-bottom: 10px !important;
  border-bottom: 3px solid var(--tsum-aqua) !important;
}
.news-row,
.gacha-update {
  margin: 14px 0 !important;
  padding: 16px !important;
}
.article-section {
  margin: 0;
  padding: 28px 0 !important;
  border-bottom: 1px solid var(--tsum-line) !important;
}
.news-thumbnail,
.article-thumb,
.visual,
.media-card img,
.official-media img,
.gacha-images img { border-radius: var(--tsum-radius) !important; }
.news-thumbnail {
  border: 1px solid #8fc8d7;
  box-shadow: none !important;
}
.news-thumbnail::after {
  height: 7px !important;
  background: var(--tsum-yellow) !important;
}
.thumb-date {
  background: rgba(9, 74, 101, .92) !important;
  border-radius: 3px !important;
}
.thumb-title { color: #fff !important; }
.route-card:hover,
.link-card:hover,
.news-row:hover {
  border-color: #77bfd0 !important;
  background: #fbfeff !important;
}

/* Controls follow the Lab's yellow primary / white secondary language. */
.btn,
.button,
.save,
.main-btn,
.input-btn,
.csv-btn,
.file-label,
.card-cta,
.small-action,
.top-link,
button {
  min-height: 44px;
  color: var(--tsum-ink) !important;
  background: var(--tsum-yellow) !important;
  border: 2px solid var(--tsum-ink) !important;
  border-radius: var(--tsum-radius) !important;
  box-shadow: 3px 3px 0 var(--tsum-ink) !important;
  text-shadow: none !important;
  font-weight: 900 !important;
}
.btn:hover,
.button:hover,
.save:hover,
.main-btn:hover,
.input-btn:hover,
.csv-btn:hover,
.card-cta:hover,
button:hover {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--tsum-ink) !important;
}
.btn-secondary,
.sub-btn,
.item-btn,
.sort-btn,
.stats-mode-btn,
.ranking-btn {
  color: var(--tsum-navy) !important;
  background: #fff !important;
  border: 1px solid #9fcbd7 !important;
  box-shadow: none !important;
}
.item-btn.active,
.sort-btn.active,
.stats-mode-btn.active,
.ranking-btn.active {
  color: var(--tsum-ink) !important;
  background: var(--tsum-yellow) !important;
  border: 2px solid var(--tsum-ink) !important;
  box-shadow: 2px 2px 0 var(--tsum-ink) !important;
}
.danger-btn,
.delete-one,
.row-delete,
.delete-all {
  color: #fff !important;
  background: var(--tsum-danger) !important;
  border: 1px solid #9d2b3b !important;
  border-radius: var(--tsum-radius) !important;
  box-shadow: none !important;
}
.csv-action-main,
.csv-action-sub {
  min-height: 0 !important;
  padding: 0 !important;
  color: inherit !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  transform: none !important;
}
input,
select,
textarea {
  color: var(--tsum-ink) !important;
  background: #fff !important;
  border: 1px solid #9fcbd7 !important;
  border-radius: var(--tsum-radius) !important;
  box-shadow: none !important;
}
input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(85, 217, 235, .28) !important;
  border-color: var(--tsum-aqua-deep) !important;
}

/* Data, rankings and tables */
.stat,
.metric,
.summary-row,
.mini-stat,
.rank-chip,
.calc-box,
.detail-box,
.play-detail,
.site-data-notice,
.notice {
  color: var(--tsum-ink) !important;
  background: #f8fdff !important;
  border-color: var(--tsum-line) !important;
  border-radius: var(--tsum-radius) !important;
  box-shadow: none !important;
}
.stat-value,
.metric .value,
.summary-value,
.rank-name,
.top-name,
.rank-count,
.tsum-name { color: var(--tsum-navy) !important; }
.ranking-item,
.rank-row {
  background: #fff !important;
  border: 1px solid #b6d8e1 !important;
  border-left: 5px solid var(--tsum-aqua) !important;
  border-radius: var(--tsum-radius) !important;
  box-shadow: var(--tsum-shadow) !important;
}
table {
  color: var(--tsum-ink) !important;
  background: #fff !important;
  border-color: var(--tsum-line) !important;
  border-radius: var(--tsum-radius) !important;
}
th {
  color: var(--tsum-navy) !important;
  background: #dff5fa !important;
}
th,
td { border-color: var(--tsum-line) !important; }

/* Floating shortcuts and footer */
.bottom-nav {
  border: 1px solid #9fcbd7 !important;
  border-radius: var(--tsum-radius) !important;
  background: rgba(255, 255, 255, .97) !important;
  box-shadow: 0 10px 24px rgba(16, 62, 83, .16) !important;
}
.bottom-nav a {
  color: var(--tsum-navy) !important;
  background: var(--tsum-aqua-pale) !important;
  border: 0 !important;
  border-radius: 4px !important;
  box-shadow: none !important;
  text-shadow: none !important;
}
.footer,
footer.footer,
.article-footer {
  margin-top: 28px !important;
  padding: 26px !important;
  color: #dcebed !important;
  background: #10252d !important;
  border-top: 6px solid var(--tsum-aqua) !important;
  border-radius: var(--tsum-radius) var(--tsum-radius) 0 0 !important;
  text-align: left !important;
}
.footer p,
.footer li,
.footer small,
.article-footer,
.article-footer p { color: #c3d5d9 !important; }
.footer a,
.article-footer a { color: #8ee9f4 !important; }
.footer .site-disclosure {
  color: #dcebed !important;
  background: rgba(255, 255, 255, .06) !important;
  border-color: rgba(255, 255, 255, .18) !important;
}
a {
  color: #006f96;
  text-underline-offset: 3px;
}

@media (max-width: 720px) {
  html { scroll-padding-top: 112px; }
  .lab-network {
    min-height: 48px;
    padding: 7px 10px;
    gap: 10px;
    font-size: 12px;
  }
  .lab-network > a::before {
    width: 30px;
    height: 30px;
    margin-right: 7px;
  }
  .lab-network nav { gap: 10px; }
  .lab-network nav a { white-space: nowrap; }
  .site-nav-inner {
    width: 100% !important;
    min-height: 0;
    padding: 8px 10px !important;
  }
  .site-brand { margin-bottom: 7px !important; }
  .site-brand img {
    width: 34px !important;
    height: 34px !important;
  }
  .site-nav-links {
    gap: 14px !important;
    padding-bottom: 2px;
  }
  .site-nav-links a {
    padding: 6px 0 !important;
    font-size: .86rem !important;
  }
  .page,
  .app,
  .news-page,
  .article-shell { width: calc(100% - 16px) !important; }
  .hero,
  .header,
  .page-heading,
  .article-header {
    margin-top: 12px !important;
    padding: 20px 16px !important;
    border-top-width: 5px !important;
  }
  .hero h1,
  .header h1 { font-size: clamp(1.78rem, 9vw, 2.55rem) !important; }
  .hero-logo {
    width: 66px !important;
    height: 66px !important;
    margin-bottom: 12px !important;
  }
  .card,
  .adsense-quality-note,
  .article-box,
  .quality-box {
    padding: 14px 12px !important;
    margin-bottom: 10px !important;
  }
  .news-row,
  .gacha-update { padding: 10px !important; }
  .footer,
  footer.footer,
  .article-footer { padding: 20px 14px !important; }
}

@media (max-width: 390px) {
  .lab-network nav a:first-child { display: none; }
  .site-brand-sub { display: none; }
  .site-brand { font-size: .95rem !important; }
}