/* ============================================
   KUMAMOTO BARBER SCHOOL - BRIEFING.CSS
   ============================================ */

.openschool-page {
  background:
    radial-gradient(circle at 12% 10%, rgba(0, 194, 168, 0.12), transparent 24%),
    radial-gradient(circle at 88% 14%, rgba(255, 45, 120, 0.12), transparent 22%),
    linear-gradient(180deg, #f6fbff 0%, #ffffff 28%, #f7fffd 100%);
}

.openschool-main {
  padding-top: 110px;
}

.openschool-hero {
  position: relative;
  padding: 48px 0 40px;
  overflow: hidden;
}

.openschool-hero::before,
.openschool-hero::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(12px);
  pointer-events: none;
}

.openschool-hero::before {
  width: 420px;
  height: 420px;
  top: -120px;
  right: -120px;
  background: rgba(0, 229, 255, 0.16);
}

.openschool-hero::after {
  width: 340px;
  height: 340px;
  bottom: -140px;
  left: -100px;
  background: rgba(255, 45, 120, 0.14);
}

.openschool-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 44px;
  align-items: center;
}

.openschool-kicker {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.84rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.openschool-title {
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  margin-bottom: 24px;
}

.openschool-lead {
  font-size: 1.04rem;
  line-height: 1.95;
  max-width: 620px;
  color: var(--text-mid);
}

.openschool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.openschool-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.openschool-highlights li {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(0, 194, 168, 0.14);
  border-radius: 22px;
  box-shadow: 0 18px 40px rgba(17, 17, 24, 0.06);
}

.openschool-highlights strong {
  display: block;
  font-family: 'Oswald', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--primary);
  margin-bottom: 8px;
}

.openschool-highlights span {
  font-size: 0.95rem;
  color: var(--text);
}

.openschool-hero-visual {
  position: relative;
  min-height: 620px;
}

.visual-badge {
  position: absolute;
  top: 12px;
  right: 22px;
  z-index: 2;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--coral);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-coral);
}

.visual-photo {
  overflow: hidden;
  border-radius: 32px;
  box-shadow: 0 28px 60px rgba(17, 17, 24, 0.14);
}

.visual-photo img,
.section-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.visual-photo-main {
  position: absolute;
  inset: 40px 0 60px 72px;
  border: 14px solid rgba(255, 255, 255, 0.84);
  background: #fff;
}

.visual-photo-sub {
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(42%, 240px);
  aspect-ratio: 3 / 4;
  border: 10px solid rgba(255, 255, 255, 0.92);
  background: #fff;
}

.openschool-band {
  padding: 24px 0 48px;
}

.openschool-band-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.band-card {
  padding: 24px 24px 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(240,253,252,0.96));
  border: 1px solid rgba(0, 194, 168, 0.12);
  box-shadow: 0 18px 36px rgba(17, 17, 24, 0.05);
}

.band-label {
  display: inline-block;
  font-family: 'Oswald', sans-serif;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.band-card strong {
  display: block;
  font-size: 1.3rem;
  line-height: 1.35;
  margin-bottom: 10px;
}

.band-card p {
  color: var(--text-mid);
  font-size: 0.95rem;
}

.openschool-section {
  padding: 72px 0;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(300px, 0.98fr);
  gap: 52px;
  align-items: center;
}

.section-grid.reverse {
  grid-template-columns: minmax(300px, 0.98fr) minmax(0, 1.02fr);
}

.program-list {
  display: grid;
  gap: 18px;
}

.program-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 16px;
  align-items: start;
  padding: 20px 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(0, 194, 168, 0.12);
  box-shadow: 0 16px 36px rgba(17, 17, 24, 0.05);
}

.program-list i {
  margin-top: 4px;
  color: var(--primary);
  font-size: 1.2rem;
}

.program-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.program-list p {
  color: var(--text-mid);
  font-size: 0.95rem;
  line-height: 1.8;
}

.openschool-note {
  margin-top: 22px;
  display: grid;
  gap: 8px;
  padding: 18px 22px;
  border-left: 4px solid var(--coral);
  background: rgba(255, 240, 245, 0.9);
  border-radius: 0 20px 20px 0;
}

.openschool-note p {
  font-size: 0.92rem;
  color: var(--text-mid);
}

.section-image-card {
  height: clamp(420px, 52vw, 620px);
  overflow: hidden;
  border-radius: 32px;
  background: #fff;
  border: 12px solid rgba(255, 255, 255, 0.88);
  box-shadow: 0 24px 52px rgba(17, 17, 24, 0.12);
}

.support-section {
  background:
    linear-gradient(180deg, rgba(240, 253, 252, 0.86), rgba(255, 255, 255, 0.96)),
    var(--bg);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.support-card {
  padding: 22px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 194, 168, 0.12);
  box-shadow: 0 16px 34px rgba(17, 17, 24, 0.05);
}

.support-card.featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(10,10,15,0.96), rgba(17,17,24,0.94));
  border-color: transparent;
}

.support-price {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--primary);
  margin-bottom: 12px;
}

.support-card p {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--text-mid);
}

.support-card.featured .support-price {
  color: var(--lime);
}

.support-card.featured p {
  color: rgba(255, 255, 255, 0.86);
}

.benefit-section {
  padding: 24px 0 72px;
}

.benefit-panel {
  padding: 44px clamp(24px, 5vw, 56px);
  border-radius: 34px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(123,47,255,0.96), rgba(0,194,168,0.88)),
    var(--black);
  box-shadow: var(--shadow-violet);
}

.benefit-eyebrow {
  font-family: 'Oswald', sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.68);
  margin-bottom: 16px;
}

.benefit-title {
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.benefit-title span {
  color: #fff2a8;
}

.benefit-copy {
  max-width: 760px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.9;
}

.reservation-section {
  padding: 0 0 88px;
}

.reservation-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 28px;
  align-items: stretch;
}

.reservation-card {
  padding: 32px;
  border-radius: 28px;
  background: rgba(255,255,255,0.94);
  border: 1px solid rgba(0, 194, 168, 0.14);
  box-shadow: 0 20px 44px rgba(17, 17, 24, 0.08);
}

.reservation-label {
  font-family: 'Oswald', sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.reservation-number {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--black);
  margin-bottom: 14px;
}

.reservation-number-text {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.03em;
}

.reservation-sub {
  color: var(--text-mid);
  font-size: 0.94rem;
  line-height: 1.8;
}

.reservation-actions {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

@media (max-width: 1024px) {
  .openschool-hero-grid,
  .section-grid,
  .section-grid.reverse,
  .reservation-panel {
    grid-template-columns: 1fr;
  }

  .openschool-hero-visual {
    min-height: 520px;
    max-width: 700px;
    margin: 0 auto;
    width: 100%;
  }

  .openschool-highlights,
  .openschool-band-grid,
  .support-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .openschool-main {
    padding-top: 96px;
  }

  .openschool-hero {
    padding-top: 28px;
  }

  .openschool-highlights,
  .openschool-band-grid,
  .support-grid {
    grid-template-columns: 1fr;
  }

  .openschool-hero-visual {
    min-height: 420px;
  }

  .visual-badge {
    position: static;
    display: inline-block;
    margin-bottom: 16px;
  }

  .visual-photo-main {
    inset: 0 0 42px 42px;
  }

  .visual-photo-sub {
    width: 46%;
  }

  .section-image-card {
    height: 380px;
  }

  .benefit-panel,
  .reservation-card {
    padding: 28px 22px;
  }
}

@media (max-width: 480px) {
  .openschool-title {
    font-size: 2.45rem;
  }

  .openschool-actions {
    flex-direction: column;
  }

  .openschool-actions .btn {
    width: 100%;
  }

  .visual-photo-main {
    inset: 0 0 34px 24px;
    border-width: 10px;
  }

  .visual-photo-sub {
    width: 48%;
    border-width: 8px;
  }

  .section-image-card {
    height: 320px;
    border-width: 8px;
  }
}