.artistsignatureguidebody {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #fff;
  color: #1A1A1A;
}

/* Hero */
.hero {
  padding: 3rem 2rem 2.5rem;
  text-align: center;
  border-bottom: 1px solid #E8E6E0;
}
.eyebrow {
  font-size: 14px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: .875rem;
}
.hero-title {
  font-size: 36px;
  font-weight: 500;
  color: #1A1A1A;
  line-height: 1.5;
  margin-bottom: 1rem;
}
.hero-title em {
  font-style: normal;
  color: #534AB7;
}
.hero-body {
  font-size: 18px;
  color: #555;
  line-height: 1.8;
  max-width: 1040px;
  margin: 0 auto;
}

/* Grid */
.signs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-bottom: 1px solid #E8E6E0;
}
@media (max-width: 580px) {
  .signs-grid { grid-template-columns: 1fr; }
}
.sign-item {
  padding: 2rem 1.75rem;
  border-right: 1px solid #E8E6E0;
  border-bottom: 1px solid #E8E6E0;
}
.sign-item:nth-child(2n) { border-right: none; }
@media (max-width: 580px) {
  .sign-item { border-right: none; }
}

/* Image slot */
.img-slot {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #F5F3EF;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  overflow: hidden;
  position: relative;
  border: 1px dashed #D0CCC4;
}
.img-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.img-slot-icon {
  font-size: 28px;
  color: #CCC;
  margin-bottom: .375rem;
}
.img-slot-label {
  font-size: 12px;
  color: #AAA;
}

.sign-item h3 {
  font-size: 16px;
  font-weight: 500;
  color: #1A1A1A;
  margin-bottom: .5rem;
}
.sign-item p {
  font-size: 13.5px;
  color: #666;
  line-height: 1.75;
}

/* CTA */
.cta-band {
  padding: 2.5rem 2rem;
  text-align: center;
  background: #fff;
}
.cta-band h2 {
  font-size: 24px;
  font-weight: 500;
  color: #1A1A1A;
  margin-bottom: .5rem;
}
.cta-band h3 {
  font-size: 16px;
  color: #777;
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

/* カード内 */
.sign-item h3  { font-size: 22px; }
.sign-item p   { font-size: 16px; }