/* ═══════════════════════════════════════════════════════════════════════════════
   WATSU LOGI V2 — Company Overview Page Styles
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ─────────────────────── SKIP LINK ─────────────────────── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-4);
  z-index: 9999;
  padding: var(--sp-2) var(--sp-4);
  background: var(--navy-900);
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  border-radius: var(--r-md);
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus { top: var(--sp-4); }

/* ─────────────────────── HERO ─────────────────────── */
.co-hero {
  background: var(--navy-900);
  color: var(--white);
  padding-top: calc(var(--header-h) + clamp(var(--sp-10), 5vw, var(--sp-16)));
  padding-bottom: clamp(var(--sp-10), 5vw, var(--sp-16));
  overflow: hidden;
  position: relative;
}

.co-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 55% 70% at 95% 50%, rgba(200,169,110,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.co-hero .container {
  position: relative;
}

.co-hero-inner {
  display: flex;
  align-items: flex-end;
  gap: var(--sp-10);
  position: relative;
}

/* Large ghost kana — purely decorative watermark */
.co-hero-kana {
  position: absolute;
  right: 0;
  bottom: -0.15em;
  font-size: clamp(5rem, 12vw, 9rem);
  font-weight: var(--weight-bold);
  color: rgba(255,255,255,0.025);
  letter-spacing: -0.04em;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

.co-hero-text {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.co-hero-text .section-label {
  color: var(--accent);
  margin-bottom: var(--sp-5);
}

.co-hero-title {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}

.co-hero-title-ja {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: var(--weight-bold);
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--white);
}

.co-hero-title-en {
  font-size: clamp(var(--text-base), 1.8vw, var(--text-xl));
  font-weight: var(--weight-medium);
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
}

.co-hero-sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.6);
  line-height: 1.65;
}

/* ─────────────────────── COMPANY PROFILE TABLE ─────────────────────── */
.co-profile {
  background: var(--bg-base);
}

.co-profile-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--sp-10) clamp(var(--sp-10), 5vw, var(--sp-16));
  align-items: start;
}

.co-profile-head {
  position: sticky;
  top: calc(var(--header-h) + var(--sp-8));
}

/* Table container */
.co-table {
  border: 1px solid var(--gray-200);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-xs);
  /* Grid spans both columns below the header */
  grid-column: 1 / -1;
}

/* Each row */
.co-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  border-bottom: 1px solid var(--gray-100);
}

.co-row--last {
  border-bottom: none;
}

/* Row label (dt) */
.co-row-label {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  padding: var(--sp-5) var(--sp-6);
  background: var(--gray-50);
  border-right: 1px solid var(--gray-100);
}

.co-row-label-ja {
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  color: var(--navy-700);
  line-height: 1.3;
}

.co-row-label-en {
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

/* Row value (dd) */
.co-row-value {
  display: flex;
  align-items: center;
  padding: var(--sp-5) var(--sp-6);
  font-size: var(--text-sm);
  color: var(--text-primary);
  line-height: 1.6;
  background: var(--white);
}

/* Primary row — company name */
.co-row--primary .co-row-value {
  padding-block: var(--sp-6);
}

.co-name-ja {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  letter-spacing: -0.01em;
  color: var(--navy-900);
}

.co-name-en {
  font-size: var(--text-base);
  font-weight: var(--weight-semi);
  letter-spacing: 0.04em;
  color: var(--navy-700);
}

/* Corporate number — monospace feel */
.co-corp-num {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
  color: var(--gray-600);
}

/* Address */
.co-address {
  font-style: normal;
  line-height: 1.65;
  color: var(--text-primary);
}

/* Contact links */
.co-contact-link {
  color: var(--navy-600);
  font-weight: var(--weight-medium);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
}
.co-contact-link:hover {
  color: var(--navy-900);
  border-bottom-color: var(--navy-400);
}

/* Business activities list */
.co-row--multi .co-row-value {
  align-items: flex-start;
  padding-block: var(--sp-5);
}

.co-biz-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding: 0;
}

.co-biz-list li {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.co-biz-list li::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 0.45em;
}

/* Language tags */
.co-lang-tags {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.co-lang-tag {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding-inline: var(--sp-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: 0.04em;
  color: var(--navy-700);
  background: rgba(14,51,99,0.07);
  border-radius: var(--r-full);
}

/* ─────────────────────── SUPPORTING NOTE ─────────────────────── */
.co-profile-note {
  grid-column: 1 / -1;
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  background: #FFFBF0;
  border: 1px solid rgba(200,169,110,0.25);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-lg);
  margin-top: var(--sp-2);
}

.co-note-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}

.co-note-text {
  font-size: var(--text-sm);
  color: var(--gray-600);
  line-height: 1.7;
}

/* ─────────────────────── OPERATIONAL NETWORK ─────────────────────── */
.co-network {
  background: var(--bg-alt);
}

.co-network-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-5);
}

.co-net-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  display: flex;
  gap: var(--sp-5);
  align-items: flex-start;
  transition: box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}

.co-net-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--gray-300);
}

.co-net-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-lg);
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.co-net-body {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.co-net-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
  color: var(--navy-900);
}

.co-net-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ─────────────────────── CTA BAND ─────────────────────── */
.co-cta-band {
  background: var(--navy-900);
  padding-block: clamp(var(--sp-16), 6vw, var(--sp-24));
  position: relative;
  overflow: hidden;
}

.co-cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 100% 50%, rgba(200,169,110,0.07) 0%, transparent 55%);
  pointer-events: none;
}

.co-cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-10);
  flex-wrap: wrap;
}

.co-cta-title {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: var(--weight-bold);
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: var(--sp-3);
}

.co-cta-sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.55);
  line-height: 1.65;
  max-width: 480px;
}

.co-cta-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* ─────────────────────── SCROLL REVEAL ─────────────────────── */
.co-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.45s var(--ease-out), transform 0.45s var(--ease-out);
}
.co-reveal.co-revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .co-reveal { opacity: 1; transform: none; transition: none; }
}

/* ─────────────────────── RESPONSIVE ─────────────────────── */
@media (max-width: 960px) {
  .co-profile-layout {
    grid-template-columns: 1fr;
  }
  .co-profile-head {
    position: static;
  }
  .co-table {
    grid-column: unset;
  }
  .co-profile-note {
    grid-column: unset;
  }
}

@media (max-width: 720px) {
  .co-row {
    grid-template-columns: 1fr;
  }
  .co-row-label {
    flex-direction: row;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    border-right: none;
    border-bottom: 1px solid var(--gray-100);
  }
  .co-row-label-ja {
    font-size: var(--text-xs);
  }
  .co-row-label-en {
    font-size: 0.68rem;
  }
  .co-row-value {
    padding: var(--sp-3) var(--sp-4);
  }
  .co-name-ja {
    font-size: var(--text-lg);
  }
  .co-network-grid {
    grid-template-columns: 1fr;
  }
  .co-net-card {
    flex-direction: column;
    gap: var(--sp-4);
  }
  .co-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .co-cta-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }
  .co-cta-actions .btn-primary,
  .co-cta-actions .btn-ghost {
    justify-content: center;
  }
  .co-hero-kana {
    display: none;
  }
}

@media (max-width: 480px) {
  .co-profile-note {
    flex-direction: column;
    gap: var(--sp-3);
  }
}