/* ==========================================
   SERVICE EDUCATION PAGE — Additional Styles
   Requires: style.css + service-consulting.css
========================================== */

/* HERO — Education Variant
========================================== */
.sc-hero-bg--edu {
  background-color: #0a1520;
  background-image:
    linear-gradient(135deg, rgba(8,18,28,0.78) 0%, rgba(14,28,42,0.62) 100%),
    url('https://images.unsplash.com/photo-1522202176988-66273c2fd55f?w=1920&q=80&fit=crop');
  background-size: cover;
  background-position: center top;
}

/* Lifetime stat (smaller font) */
.edu-lifetime {
  font-size: clamp(28px, 3.5vw, 40px) !important;
  letter-spacing: -1px !important;
}
.edu-lifetime span {
  font-size: 0.65em !important;
}

/* ==========================================
   PHILOSOPHY SECTION
========================================== */
.edu-philosophy {
  background: #0d1117;
  padding: 100px 0;
  overflow: hidden;
  position: relative;
}

.edu-philosophy::before {
  content: 'OS';
  position: absolute;
  top: -60px;
  right: 0;
  font-size: 360px;
  font-weight: 900;
  color: rgba(201,168,76,0.03);
  font-style: italic;
  pointer-events: none;
  user-select: none;
  line-height: 1;
  max-width: 100%;
  overflow: hidden;
}

/* Section Header (dark version) */
.edu-section-header {
  text-align: center;
  margin-bottom: 72px;
}

.edu-section-en {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4em;
  color: var(--accent);
  margin-bottom: 12px;
}

.edu-section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 20px;
  letter-spacing: 0.08em;
}

.edu-section-line {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto;
}

/* ---- Formula ---- */
.edu-formula {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 2vw, 32px);
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.edu-formula-result {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 28px 32px;
  text-align: center;
  flex-shrink: 0;
}

.edu-formula-result-text {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(15px, 1.8vw, 21px);
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
}

.edu-formula-eq,
.edu-formula-op {
  font-size: clamp(22px, 3vw, 42px);
  font-weight: 900;
  color: rgba(255,255,255,0.25);
  flex-shrink: 0;
  line-height: 1;
}

.edu-formula-factor {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 28px 36px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  flex-shrink: 0;
}

.edu-formula-factor:hover {
  transform: translateY(-5px);
  border-color: rgba(201,168,76,0.25);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.edu-formula-factor--key {
  background: rgba(201,168,76,0.07);
  border-color: rgba(201,168,76,0.45);
  box-shadow: 0 0 50px rgba(201,168,76,0.07);
  position: relative;
  padding-top: 36px;
}

.edu-formula-factor--key::before {
  content: '最重要';
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 3px 12px;
  border-radius: 2px;
  white-space: nowrap;
}

.edu-formula-factor--key:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 12px 50px rgba(201,168,76,0.18);
}

.edu-factor-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent);
  background: rgba(201,168,76,0.12);
  padding: 2px 10px;
  border-radius: 2px;
  border: 1px solid rgba(201,168,76,0.3);
}

.edu-factor-en {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.3);
}

.edu-factor-ja {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(24px, 2.8vw, 38px);
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.edu-formula-factor--key .edu-factor-ja {
  color: var(--accent);
}

/* ---- Formula Note ---- */
.edu-formula-note {
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
  padding: 0 20px;
}

.edu-formula-note-headline {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(17px, 2.2vw, 24px);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(201,168,76,0.2);
}

.edu-formula-note-body {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  line-height: 2.3;
}

/* ---- OS Transform Block ---- */
.edu-os-block {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 28px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius);
  padding: 44px 52px;
}

.edu-os-item {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.edu-os-icon {
  font-size: 22px;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-top: 2px;
}

.edu-os-icon--bad  { background: rgba(255,80,80,0.1);  color: #ff6b6b; border: 1px solid rgba(255,80,80,0.2); }
.edu-os-icon--good { background: rgba(201,168,76,0.1); color: var(--accent); border: 1px solid rgba(201,168,76,0.25); }

.edu-os-bad {
  font-family: 'Noto Serif JP', serif;
  font-size: 16px;
  font-weight: 700;
  color: #ff6b6b;
  margin-bottom: 8px;
  line-height: 1.4;
}

.edu-os-good {
  font-family: 'Noto Serif JP', serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
  line-height: 1.4;
}

.edu-os-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.42);
  line-height: 1.9;
}

.edu-os-arrow {
  font-size: 28px;
  color: rgba(201,168,76,0.5);
  flex-shrink: 0;
  font-weight: 900;
}

/* ==========================================
   CORE VALUES SECTION
========================================== */
.edu-values {
  background: var(--bg-light);
}

.edu-values-lead {
  text-align: center;
  font-size: 15px;
  color: var(--text-light);
  line-height: 2.1;
  margin-bottom: 64px;
}

.edu-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.edu-value-card {
  background: var(--primary);
  border-radius: var(--radius);
  padding: 60px 36px 52px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform var(--ease), box-shadow var(--ease);
}

.edu-value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
}

.edu-value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
}

.edu-value-kanji {
  position: absolute;
  bottom: -20px;
  right: 10px;
  font-family: 'Noto Serif JP', serif;
  font-size: 120px;
  font-weight: 900;
  color: rgba(255,255,255,0.03);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.edu-value-en {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.38em;
  color: var(--accent);
  margin-bottom: 14px;
  position: relative;
}

.edu-value-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 24px;
  position: relative;
  line-height: 1;
}

.edu-value-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.58);
  line-height: 2.1;
  position: relative;
  text-align: left;
}

/* ==========================================
   RESPONSIVE
========================================== */
@media (max-width: 1024px) {
  .edu-os-block {
    padding: 36px 36px;
    gap: 20px;
  }
}

@media (max-width: 900px) {
  .edu-os-block {
    flex-direction: column;
    padding: 32px 28px;
    gap: 20px;
    align-items: flex-start;
  }

  .edu-os-arrow {
    align-self: center;
    transform: rotate(90deg);
  }

  .edu-values-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 480px;
    margin: 0 auto;
  }
}

@media (max-width: 680px) {
  .edu-formula {
    gap: 12px;
  }

  .edu-formula-result,
  .edu-formula-factor {
    padding: 20px 22px;
  }

  .edu-formula-factor--key {
    padding-top: 34px;
  }

  .edu-formula-eq,
  .edu-formula-op {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .edu-philosophy {
    padding: 60px 0;
  }

  /* ::before OS watermark — make smaller to avoid overflow */
  .edu-philosophy::before {
    font-size: 200px;
    top: -20px;
    right: 0;
  }

  .edu-formula {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .edu-formula-result,
  .edu-formula-factor {
    width: 100%;
    max-width: 260px;
    padding: 18px 20px;
  }

  .edu-formula-factor--key {
    padding-top: 32px;
  }

  .edu-formula-eq,
  .edu-formula-op {
    transform: rotate(90deg);
    font-size: 16px;
  }

  .edu-formula-note-headline { font-size: 16px; }
  .edu-formula-note-body     { font-size: 13px; }

  .edu-os-block {
    padding: 24px 20px;
  }

  .edu-os-bad,
  .edu-os-good { font-size: 15px; }

  /* Core Values */
  .edu-value-card { padding: 48px 28px 40px; }
  .edu-value-card h3 { font-size: 26px; }
  .edu-value-card p  { font-size: 14px; }

  /* CTA */
  .sc-cta-title { font-size: clamp(20px, 6vw, 28px) !important; }
}