:root {
  color-scheme: light;
  --ink: #1f2933;
  --muted: #667085;
  --line: #d9e2ec;
  --soft: #f5f8fb;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --warn: #b45309;
  --white: #fff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Yu Gothic UI", Meiryo, sans-serif;
  line-height: 1.8;
  background: var(--white);
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: .08em;
  text-underline-offset: .2em;
}

img,
iframe,
video {
  max-width: 100%;
  height: auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 20px 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #facc15;
  color: #713f12;
  font-weight: 700;
}

.brand strong {
  display: block;
  font-size: 1.25rem;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: .85rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px 16px;
}

.site-nav a {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 12px;
  color: var(--ink);
  text-decoration: none;
  font-size: .92rem;
}

.site-nav a[aria-current="page"] {
  border-color: var(--accent);
  background: #ecfdf5;
  color: var(--accent-dark);
}

.site-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 34px 20px 56px;
}

.hero {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr);
  align-items: center;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.hero h1,
.page h1 {
  margin: 0 0 14px;
  line-height: 1.35;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.lead {
  color: #344054;
  font-size: 1.08rem;
}

.hero-panel {
  border-radius: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  padding: 20px;
}

.hero-panel ul,
.card ul,
.page ul {
  padding-left: 1.4em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 6px;
  padding: 9px 16px;
  background: var(--accent);
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  background: var(--white);
  color: var(--accent-dark);
  border: 1px solid var(--accent);
}

.section {
  margin-top: 46px;
}

.section h2,
.page h2 {
  margin: 0 0 14px;
  line-height: 1.45;
  font-size: 1.45rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: var(--white);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.note {
  border-left: 4px solid var(--accent);
  background: #f0fdfa;
  padding: 14px 16px;
  color: #134e4a;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
}

.info-table th,
.info-table td {
  border: 1px solid var(--line);
  padding: 12px;
  vertical-align: top;
}

.info-table th {
  width: 28%;
  text-align: left;
  background: var(--soft);
}

.page {
  max-width: 860px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--soft);
  padding: 24px 20px;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 18px;
}

.copyright {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: .9rem;
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 22px;
  }

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

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

  .site-nav {
    gap: 6px;
  }

  .site-nav a {
    flex: 1 1 auto;
    text-align: center;
  }

  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
  }
}

/* three-site-blueimpulse-live-20260525 start */

.three-site-panel{margin:32px 0;padding:22px;border:1px solid var(--line,#d9e2ec);border-radius:8px;background:linear-gradient(135deg,#f7fbff,#fff)}
.three-site-panel .eyebrow{margin:0 0 4px;color:var(--accent-dark,#115e59);font-weight:800;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase}
.three-site-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.three-site-grid article{padding:16px;border:1px solid var(--line,#d9e2ec);border-radius:8px;background:#fff}
.three-site-grid strong,.three-site-grid span{display:block}
.three-site-grid span{color:var(--muted,#667085);font-size:.92rem}
.live-event-grid .status-label{display:inline-block;margin-top:8px;padding:4px 9px;border-radius:999px;background:#ecfdf5;color:#115e59;font-weight:800;font-size:.82rem}
@media (max-width:760px){.three-site-grid{grid-template-columns:1fr}.three-site-panel{padding:18px}}

/* three-site-blueimpulse-live-20260525 end */

/* chinanago-blueimpulse-live-hub-20260526 start */

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-dark);
  font-weight: 800;
  font-size: .84rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.live-hero {
  background:
    linear-gradient(135deg, rgba(15, 118, 110, .10), rgba(255, 255, 255, .92)),
    var(--soft);
}

.live-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  gap: 8px;
}

.live-card p {
  margin: 0;
}

.date-chip {
  display: inline-flex;
  align-self: flex-start;
  border-radius: 999px;
  padding: 3px 9px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: .82rem;
  font-weight: 800;
}

.mini-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 10px;
}

.mini-links a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  background: var(--soft);
  color: var(--accent-dark);
  font-size: .86rem;
  font-weight: 700;
  text-decoration: none;
}

.top-live-grid {
  margin-top: 16px;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  background: var(--white);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  margin: 10px 0 0;
  color: #344054;
}

@media (max-width: 760px) {
  .mini-links a {
    flex: 1 1 auto;
    text-align: center;
  }
}

/* chinanago-blueimpulse-live-hub-20260526 end */


/* chinanago-youtube-archive-20260526 start */
.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.video-card{overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff}
.video-thumb{display:block;background:#e5edf5;text-decoration:none}
.video-thumb img{display:block;width:100%;aspect-ratio:16/9;height:auto;object-fit:cover}
.video-card-body{display:grid;gap:10px;padding:16px}
.video-card h3{margin:0;font-size:1.02rem;line-height:1.5}
.video-meta{display:grid;gap:6px;margin:0;color:#344054;font-size:.9rem}
.video-meta div{display:grid;grid-template-columns:78px minmax(0,1fr);gap:8px}
.video-meta dt{font-weight:800;color:var(--muted)}
.video-meta dd{margin:0}
@media (max-width:900px){.video-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.video-grid{grid-template-columns:1fr}.video-meta div{grid-template-columns:1fr;gap:2px}}
/* chinanago-youtube-archive-20260526 end */


/* chinanago-live-honkan-ui-20260527 start */
.brand-logo {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 999px;
  object-fit: contain;
  background: #fff7ed;
  box-shadow: 0 4px 14px rgba(15, 23, 42, .08);
}

.live-home-hero,
.live-hero {
  background:
    linear-gradient(135deg, rgba(14, 165, 233, .12), rgba(20, 184, 166, .10)),
    #ffffff;
}

.hero-copy {
  min-width: 0;
}

.hero-logo-card {
  display: grid;
  place-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: linear-gradient(180deg, #fff, #f8fafc);
}

.hero-logo-card.compact {
  align-self: stretch;
}

.hero-logo {
  width: min(320px, 100%);
  max-height: 320px;
  object-fit: contain;
}

.hero-logo.compact {
  width: min(220px, 78vw);
  max-height: 220px;
}

.logo-caption {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
  text-align: center;
}

.youtube-button {
  background: #dc2626;
}

.feature-grid .card,
.archive-hub .card,
.compact-event-grid .card {
  min-height: 100%;
}

.status-label {
  display: inline-flex;
  align-self: flex-start;
  border-radius: 999px;
  padding: 4px 10px;
  background: #ecfdf5;
  color: #115e59;
  font-weight: 800;
  font-size: .84rem;
}

.three-site-grid article a {
  display: inline-flex;
  margin: 8px 8px 0 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
  background: #fff;
  font-size: .88rem;
  font-weight: 800;
  text-decoration: none;
}

.youtube-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: #f8fafc;
}

@media (max-width: 760px) {
  .brand {
    align-items: flex-start;
  }

  .brand-logo {
    width: 42px;
    height: 42px;
  }

  .hero-logo {
    width: min(220px, 74vw);
    max-height: 220px;
  }

  .hero-logo.compact {
    width: min(180px, 68vw);
    max-height: 180px;
  }

  .cta-row .button {
    flex: 1 1 100%;
  }
}
/* chinanago-live-honkan-ui-20260527 end */