/* ============================================
   About: Company Page
   ============================================ */

.btn--entry { background-color: #e53935; color: #fff; }
.btn--entry:hover { background-color: #c62828; }
.btn--solid-green {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.7em 1.8em; font-size: var(--font-size-sm); font-weight: 700;
  background-color: var(--color-accent-green); color: #fff;
  border-radius: var(--border-radius-sm); transition: background-color 0.2s;
}
.btn--solid-green:hover { background-color: var(--color-accent-green-hover); }
.btn--outline-dark {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.7em 1.8em; font-size: var(--font-size-sm); font-weight: 500;
  border: 1px solid var(--color-primary-dark); border-radius: var(--border-radius-sm);
  color: var(--color-primary-dark); background: transparent;
  transition: background-color 0.2s, color 0.2s;
}
.btn--outline-dark:hover { background-color: var(--color-primary-dark); color: #fff; }

/* ============================================
   Layout
   ============================================ */

.co-layout { padding: var(--space-xl) 0 var(--space-3xl); }

.co-layout__grid {
  display: grid; grid-template-columns: 1fr;
  gap: var(--space-xl); align-items: start;
}
@media (min-width: 1024px) {
  .co-layout__grid { grid-template-columns: 1fr 240px; }
}

/* ============================================
   Article Base
   ============================================ */

.co-article p {
  font-size: var(--font-size-sm); color: var(--color-text-secondary);
  line-height: 2; margin-bottom: var(--space-lg);
}
.co-article p:last-child { margin-bottom: 0; }
.co-article strong { color: var(--color-text-primary); font-weight: 700; }

/* ============================================
   Intro
   ============================================ */

.co-intro {
  padding: var(--space-xl) 0 var(--space-2xl);
  margin-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.co-intro__label {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: var(--font-size-xs); font-weight: 700;
  color: var(--color-accent-green); letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.co-intro__title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700; line-height: 1.3; color: var(--color-primary-dark);
  margin-bottom: var(--space-xl);
}

.co-intro__catch {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 700; line-height: 1.6; color: var(--color-primary-dark);
  margin-bottom: var(--space-xl);
  padding-left: var(--space-lg);
  border-left: 3px solid var(--color-accent-green);
}

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

.co-section {
  margin-bottom: var(--space-3xl);
}

.co-section__heading {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: var(--font-size-lg); font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary-dark);
}

/* ============================================
   Table
   ============================================ */

.co-table {
  width: 100%; border-collapse: collapse;
}

.co-table tr {
  border-bottom: 1px solid var(--color-border);
}
.co-table tr:last-child { border-bottom: none; }

.co-table th {
  padding: var(--space-md) var(--space-lg) var(--space-md) 0;
  font-size: var(--font-size-sm); font-weight: 700;
  color: var(--color-primary-dark); white-space: nowrap;
  vertical-align: top; width: 120px;
}

.co-table td {
  padding: var(--space-md) 0;
  font-size: var(--font-size-sm); color: var(--color-text-secondary);
  line-height: 1.7;
}

.co-table--sm th { width: 90px; }

/* ============================================
   MVV
   ============================================ */

.co-mvv {
  margin-bottom: var(--space-3xl);
  display: flex; flex-direction: column; gap: var(--space-2xl);
}

.co-mvv__item {
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-card);
}

.co-mvv__label {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: var(--font-size-sm); font-weight: 900;
  color: var(--color-accent-green); letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.co-mvv__title {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 700; line-height: 1.6; color: var(--color-primary-dark);
  margin-bottom: var(--space-lg);
}

.co-mvv__item--values {
  background: var(--color-bg-light);
  border-color: #c8e6c9;
}

/* Values Grid */
.co-values-grid {
  display: grid; grid-template-columns: 1fr;
  gap: var(--space-md);
}
@media (min-width: 640px) {
  .co-values-grid { grid-template-columns: 1fr 1fr; }
}

.co-value-card {
  padding: var(--space-lg);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
}

.co-value-card h3 {
  font-size: var(--font-size-sm); font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-accent-green);
}

.co-value-card p {
  font-size: var(--font-size-xs); color: var(--color-text-secondary);
  line-height: 1.7; margin-bottom: 0;
}

/* ============================================
   Business List (交互配置)
   ============================================ */

.co-biz-list {
  display: flex; flex-direction: column;
  gap: var(--space-2xl);
}

.co-biz-item {
  display: flex; flex-direction: column; gap: var(--space-xl);
}

@media (min-width: 640px) {
  .co-biz-item { flex-direction: row; align-items: center; }
  .co-biz-item--reverse { flex-direction: row-reverse; }
}

.co-biz-item__text { flex: 1; min-width: 0; }

.co-biz-item__text h3 {
  font-size: var(--font-size-base); font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
}

.co-biz-item__text p {
  margin-bottom: 0;
}

.co-biz-item__visual {
  flex: 0 0 38%; border-radius: var(--border-radius-md); overflow: hidden;
}

.co-placeholder {
  width: 100%; aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #c8d4dc, #dce6ec);
  border-radius: var(--border-radius-md);
  display: flex; align-items: center; justify-content: center;
  color: rgba(0,0,0,0.2); font-size: var(--font-size-xs);
  text-align: center; padding: var(--space-md);
}

/* ============================================
   Timeline
   ============================================ */

.co-timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.co-timeline::before {
  content: ''; position: absolute;
  left: 8px; top: 4px; bottom: 4px;
  width: 2px; background: var(--color-border);
}

.co-timeline__item {
  position: relative;
  padding-bottom: var(--space-xl);
  display: flex; gap: var(--space-lg); align-items: baseline;
}

.co-timeline__item:last-child { padding-bottom: 0; }

.co-timeline__item::before {
  content: ''; position: absolute;
  left: calc(-1 * var(--space-2xl) + 4px); top: 6px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-accent-green);
  border: 2px solid var(--color-bg-white);
}

.co-timeline__year {
  font-size: var(--font-size-sm); font-weight: 700;
  color: var(--color-primary-dark); white-space: nowrap;
  min-width: 60px;
}

.co-timeline__event {
  font-size: var(--font-size-sm); color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ============================================
   Map Placeholder
   ============================================ */

.co-map-placeholder {
  width: 100%; height: 240px; margin-top: var(--space-xl);
  background: linear-gradient(135deg, #d8e0e8, #e8eef4);
  border-radius: var(--border-radius-md);
  display: flex; align-items: center; justify-content: center;
  color: rgba(0,0,0,0.2); font-size: var(--font-size-sm);
}

/* ============================================
   Related CTA
   ============================================ */

.co-related {
  padding: var(--space-2xl);
  background: var(--color-bg-light);
  border-radius: var(--border-radius-md);
  text-align: center;
}

.co-related__actions {
  display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-md);
}

/* ============================================
   Sidebar
   ============================================ */

.co-sidebar {
  display: none; flex-direction: column; gap: var(--space-lg);
}
@media (min-width: 1024px) {
  .co-sidebar {
    display: flex; position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
    max-height: calc(100vh - var(--header-height) - var(--space-2xl));
    overflow-y: auto; scrollbar-width: thin;
  }
}

.co-sidebar__box {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg); box-shadow: var(--shadow-card);
}

.co-sidebar__heading {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: var(--font-size-sm); font-weight: 700;
  margin-bottom: var(--space-md); padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-accent-green);
}

.co-sidebar__nav { list-style: none; display: flex; flex-direction: column; }
.co-sidebar__nav li { border-bottom: 1px solid var(--color-border); }
.co-sidebar__nav li:last-child { border-bottom: none; }
.co-sidebar__link {
  display: block; padding: var(--space-sm) 0;
  font-size: var(--font-size-xs); color: var(--color-text-secondary);
  transition: color 0.2s;
}
.co-sidebar__link:hover { color: var(--color-accent-green); }
.co-sidebar__link--active { color: var(--color-accent-green); font-weight: 700; }

.co-sidebar__box--cta {
  background-color: var(--color-accent-green);
  border-color: var(--color-accent-green); text-align: center;
}
.co-sidebar__cta-text { font-size: var(--font-size-sm); font-weight: 700; color: #fff; margin-bottom: var(--space-md); }
.co-sidebar__cta-btn { width: 100%; justify-content: center; background: #fff; color: #e53935; font-weight: 700; }
.co-sidebar__cta-btn:hover { background: #fce4ec; }