/* ============================================================
   Blue Academy — Components (Buttons, Breadcrumb, CTA Strip)
   ============================================================ */

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}

.btn-primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.btn-secondary:hover {
  background: var(--ink);
  color: var(--white);
}

.btn-line {
  background: transparent;
  color: var(--ink);
  border-color: var(--border);
}

.btn-line:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.btn-arrow::after {
  content: "→";
  font-family: var(--font-en);
  font-weight: 700;
  margin-left: 4px;
  transition: transform var(--transition-fast);
}

.btn-arrow:hover::after {
  transform: translateX(4px);
}

.btn-sm { padding: 10px 20px; font-size: 12px; }
.btn-lg { padding: 18px 36px; font-size: 15px; }

/* ============ Breadcrumb ============ */
.breadcrumb {
  background: var(--soft-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.breadcrumb li:not(:last-child)::after {
  content: "／";
  color: var(--border);
}

.breadcrumb a {
  color: var(--muted);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--blue);
}

.breadcrumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

/* ============ CTA Strip ============ */
.cta-strip {
  background: var(--blue);
  color: var(--white);
  padding: 80px 0;
}

.cta-strip-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}

.cta-strip h2 {
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--white);
}

.cta-strip-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cta-strip .btn-primary {
  background: var(--white);
  color: var(--blue);
  border-color: var(--white);
  padding: 18px 32px;
  font-size: 14px;
}

.cta-strip .btn-primary:hover {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.cta-strip .btn-line {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
  padding: 18px 32px;
  font-size: 14px;
}

.cta-strip .btn-line:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

/* ============ Section Headers ============ */
.section-num-head {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 60px;
  margin-bottom: 64px;
  align-items: baseline;
}

.section-num {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--blue);
  text-transform: uppercase;
}

.section-h2 {
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.section-h2 .blue {
  color: var(--blue);
}

/* ============ Eyebrow Label ============ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--blue);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--blue);
}

/* ============ Tags / Chips ============ */
.tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--soft-bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
}

.tag-blue {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .cta-strip-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .section-num-head {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 40px;
  }
}

/* ============================================================
   Page Section Common (About / Results / etc)
   ============================================================ */

/* ============ Section Common ============ */
.section {
  padding: var(--pad-section, 160px) 0;
  border-bottom: 1px solid var(--border);
}
.section-head {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  margin-bottom: 80px;
  align-items: start;
}
.section-eyebrow {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--blue);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-eyebrow .num {
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--muted);
}
.section-title {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.section-lead {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.9;
  margin-top: 24px;
  max-width: 600px;
}

/* ============ Numbers Section (DARK) ============ */
.numbers-section {
  padding: 120px 0;
  background: var(--ink);
  color: var(--white);
  border-bottom: none;
}
.numbers-section .section-eyebrow { color: #4D94FF; }
.numbers-section .section-eyebrow .num { color: rgba(255,255,255,0.4); }
.numbers-section .section-title { color: var(--white); }
.numbers-section .section-lead { color: rgba(255,255,255,0.6); }

.big-numbers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  border-left: 1px solid rgba(255,255,255,0.15);
  margin-bottom: 80px;
}
/* テキスト型（数値以外、例: 「全国」）の値表示は小さめに */
.big-num-value.is-text {
  font-size: clamp(28px, 3vw, 40px);
}
.big-num-cell {
  padding: 40px 28px 36px;
  border-right: 1px solid rgba(255,255,255,0.15);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.big-num-value {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: clamp(48px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: #4D94FF;
  font-variant-numeric: tabular-nums;
  margin-bottom: 16px;
}
.big-num-value small { font-size: 0.5em; font-weight: 700; margin-left: 4px; }
.big-num-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.55;
}

/* ============ Reasons Grid (3 cards) ============ */
.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.numbers-section .reasons-grid { color: var(--white); }
.reason-card {
  border-top: 2px solid var(--blue);
  padding: 28px 4px 0;
}
.numbers-section .reason-card { border-top-color: #4D94FF; }
.reason-num {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
}
.numbers-section .reason-num { color: #4D94FF; }
.reason-title {
  font-size: 20px;
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.reason-text {
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}
.numbers-section .reason-text { color: rgba(255,255,255,0.6); }

/* ============ Section Common Responsive ============ */
@media (max-width: 1024px) {
  .section-head { grid-template-columns: 1fr; gap: 24px; }
  .reasons-grid { grid-template-columns: 1fr; }
}