/* ========================================================
   K1-INSU.COM — Subpage Styles
   Shared styles for about.html, notice.html, location.html
   ======================================================== */

/* ── Page Banner ── */
.page-banner {
  position: relative;
  padding: calc(var(--header-height) + 60px) 0 60px;
  background: linear-gradient(165deg, #0f2d4d 0%, #1a4f7a 40%, #1a6da6 80%, #2490c8 100%);
  overflow: hidden;
  text-align: center;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,255,255,0.05) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(26,143,214,0.12) 0%, transparent 50%);
  pointer-events: none;
}

.page-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: linear-gradient(to top, #fff 0%, transparent 100%);
  pointer-events: none;
}

.page-banner-content {
  position: relative;
  z-index: 2;
}

.page-banner h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.page-banner .breadcrumb {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.page-banner .breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s;
}

.page-banner .breadcrumb a:hover {
  color: #fff;
}

.page-banner .breadcrumb span {
  margin: 0 8px;
  opacity: 0.5;
}


/* ── Subpage Content Area ── */
.subpage-content {
  padding: 80px 0;
  background: #fff;
}

.subpage-content .container {
  max-width: 960px;
}


/* ── About Page ── */
.about-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
}

.about-column {
  padding: 40px 0;
}

.about-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-500);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.about-column h2 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 900;
  color: var(--gray-900);
  margin-bottom: 28px;
  line-height: 1.3;
}

.about-column p {
  font-size: 16px;
  color: var(--gray-500);
  line-height: 2;
}

.about-column blockquote {
  font-size: 15px;
  font-style: italic;
  color: var(--gray-600);
  padding: 20px 24px;
  background: var(--gray-50);
  border-left: 4px solid var(--primary-400);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.value-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  transition: all 0.4s var(--ease-spring);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-100);
  background: #fff;
}

.value-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--primary-50);
  color: var(--primary-500);
  border-radius: 50%;
  margin-bottom: 20px;
  font-size: 28px;
}

.value-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: 10px;
}

.value-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
}


/* ── Notice Page ── */
.notice-guide {
  margin-bottom: 40px;
}

.notice-guide-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-600);
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--primary-100);
}

.notice-item {
  padding: 32px;
  background: var(--gray-50);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  border: 1px solid var(--gray-100);
  transition: all 0.3s;
}

.notice-item:hover {
  border-color: var(--primary-100);
  box-shadow: var(--shadow-sm);
}

.notice-item h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.notice-item h3::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--primary-400);
  border-radius: 2px;
}

.notice-item p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.9;
}

.notice-item .bold-text {
  font-weight: 700;
  color: var(--gray-800);
}

.notice-item .highlight-text {
  color: var(--primary-600);
  font-weight: 700;
}


/* ── Location Page ── */
.location-content {
  text-align: center;
}

.map-container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto 48px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.map-container iframe {
  display: block;
  width: 100%;
  height: 400px;
  border: 0;
}

.address-card {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 40px 60px;
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
}

.address-card h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary-600);
  margin-bottom: 4px;
}

.address-card .address-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--primary-50);
  color: var(--primary-500);
  border-radius: 50%;
}

.address-card p {
  font-size: 17px;
  color: var(--gray-600);
  line-height: 1.6;
}


/* ── Responsive (Subpages) ── */
@media (max-width: 768px) {
  .about-hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-column {
    padding: 0;
  }

  .about-values {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .notice-item {
    padding: 24px;
  }

  .map-container iframe {
    height: 300px;
  }

  .address-card {
    padding: 28px 32px;
    width: 100%;
  }

  .page-banner {
    padding: calc(var(--header-height) + 40px) 0 50px;
  }
}