@layer base, layout, components, utilities, pages;

@layer pages {

  /* ==========================================================================
     Hero Section
     ========================================================================== */

  .sitemap-hero {
    background: var(--color-navy);
    padding: 80px 0;
  }

  .sitemap-hero__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
  }

  .sitemap-hero__body {
    max-width: 600px;
  }

  .sitemap-hero__eyebrow {
    display: block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-slate-400);
    margin-bottom: 16px;
  }

  .sitemap-hero__title {
    font-size: 40px;
    font-weight: 600;
    line-height: 1.2;
    color: #fff;
    margin: 0 0 20px;
  }

  .sitemap-hero__lead {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-slate-300);
    margin: 0;
  }

  .sitemap-hero__nav {
    flex-shrink: 0;
  }

  .sitemap-hero__nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .sitemap-hero__nav-link {
    display: inline-flex;
    align-items: center;
    height: 36px;
    padding: 0 16px;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s;
  }

  .sitemap-hero__nav-link:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
  }

  /* ==========================================================================
     Content Container
     ========================================================================== */

  .sitemap-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 56px 32px 80px;
  }

  /* ==========================================================================
     Section
     ========================================================================== */

  .sitemap-section {
    margin-bottom: 64px;
  }

  .sitemap-section:last-child {
    margin-bottom: 0;
  }

  .sitemap-section__header {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-navy);
  }

  .sitemap-section__eyebrow {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-slate-400);
    flex-shrink: 0;
  }

  .sitemap-section__title {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-navy);
    margin: 0;
    flex-grow: 1;
  }

  /* ==========================================================================
     Featured Section (サービス)
     ========================================================================== */

  .sitemap-section--featured {
    background: var(--color-slate-50);
    margin-left: -32px;
    margin-right: -32px;
    padding: 40px 32px;
    margin-bottom: 64px;
  }

  .sitemap-featured {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 24px;
  }

  .sitemap-featured__main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 32px;
    background: var(--color-navy);
    color: #fff;
    text-decoration: none;
    position: relative;
    transition: background 0.2s;
  }

  .sitemap-featured__main:hover {
    background: #0a1628;
  }

  .sitemap-featured__label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-slate-400);
    text-transform: uppercase;
  }

  .sitemap-featured__title {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
  }

  .sitemap-featured__arrow {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .sitemap-featured__arrow::before {
    content: '';
    width: 8px;
    height: 8px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
    transform: rotate(45deg);
    margin-left: -3px;
  }

  .sitemap-featured__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--color-slate-200);
    border: 1px solid var(--color-slate-200);
  }

  .sitemap-featured__item {
    background: #fff;
  }

  .sitemap-featured__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    text-decoration: none;
    height: 100%;
    transition: background 0.15s;
  }

  .sitemap-featured__link:hover {
    background: var(--color-slate-50);
  }

  .sitemap-featured__link::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-navy);
    flex-shrink: 0;
  }

  .sitemap-featured__link-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-navy);
    line-height: 1.5;
  }

  .sitemap-featured__link:hover .sitemap-featured__link-title {
    color: var(--color-primary);
  }

  /* ==========================================================================
     Multi-group Section (技術情報・情報サポート)
     ========================================================================== */

  .sitemap-section--multi .sitemap-section__header {
    margin-bottom: 32px;
  }

  .sitemap-groups {
    display: flex;
    flex-direction: column;
    gap: 48px;
  }

  .sitemap-group {
    /* Individual group */
  }

  .sitemap-group__header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-slate-200);
  }

  .sitemap-group__eyebrow {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--color-slate-400);
  }

  .sitemap-group__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-navy);
    margin: 0;
    flex-grow: 1;
  }

  .sitemap-group__count {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-slate-500);
    background: var(--color-slate-100);
    padding: 3px 10px;
  }

  .sitemap-group__empty {
    font-size: 14px;
    color: var(--color-slate-500);
    margin: 0;
    padding: 16px 0;
  }

  /* ==========================================================================
     List
     ========================================================================== */

  .sitemap-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--color-slate-200);
    border: 1px solid var(--color-slate-200);
  }

  .sitemap-list__item {
    background: #fff;
  }

  .sitemap-list__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    text-decoration: none;
    height: 100%;
    transition: background 0.15s;
  }

  .sitemap-list__link:hover {
    background: var(--color-slate-50);
  }

  .sitemap-list__title {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-navy);
    line-height: 1.5;
    transition: color 0.15s;
  }

  .sitemap-list__link:hover .sitemap-list__title {
    color: var(--color-primary);
  }

  .sitemap-list__date {
    font-size: 12px;
    color: var(--color-slate-400);
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
  }

  /* Simple list (企業情報) */
  .sitemap-list--simple {
    grid-template-columns: repeat(4, 1fr);
  }

  .sitemap-list--simple .sitemap-list__link {
    padding: 20px 24px;
    justify-content: flex-start;
    gap: 16px;
  }

  .sitemap-list--simple .sitemap-list__link::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-navy);
    flex-shrink: 0;
  }

  .sitemap-list--simple .sitemap-list__title {
    font-size: 15px;
  }

  /* ==========================================================================
     Responsive
     ========================================================================== */

  @media (max-width: 1024px) {
    .sitemap-hero__inner {
      flex-direction: column;
      align-items: flex-start;
    }

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

    .sitemap-featured__list {
      grid-template-columns: repeat(2, 1fr);
    }

    .sitemap-list {
      grid-template-columns: repeat(2, 1fr);
    }

    .sitemap-list--simple {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 768px) {
    .sitemap-hero {
      padding: 60px 0;
    }

    .sitemap-hero__inner {
      padding: 0 20px;
    }

    .sitemap-hero__title {
      font-size: 32px;
    }

    .sitemap-hero__nav-list {
      gap: 6px;
    }

    .sitemap-hero__nav-link {
      height: 32px;
      padding: 0 12px;
      font-size: 12px;
    }

    .sitemap-content {
      padding: 40px 20px 60px;
    }

    .sitemap-section {
      margin-bottom: 48px;
    }

    .sitemap-section__title {
      font-size: 20px;
    }

    .sitemap-section--featured {
      margin-left: -20px;
      margin-right: -20px;
      padding: 32px 20px;
    }

    .sitemap-featured__main {
      padding: 24px;
    }

    .sitemap-featured__title {
      font-size: 18px;
    }

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

    .sitemap-featured__link {
      padding: 16px 20px;
    }

    .sitemap-groups {
      gap: 40px;
    }

    .sitemap-group__title {
      font-size: 16px;
    }

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

    .sitemap-list__link {
      padding: 12px 16px;
    }

    .sitemap-list--simple {
      grid-template-columns: 1fr;
    }

    .sitemap-list--simple .sitemap-list__link {
      padding: 16px 20px;
    }
  }
}