.about-hero {
  padding: 2rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
  text-align: center;
}

.about-hero-logo {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(139, 124, 216, 0.2);
  margin-bottom: 1rem;
}

.about-hero-title {
  font-size: 24px;
  font-weight: 600;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
  line-height: 1.5;
}

.about-hero-sub {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
}

.about-section {
  margin-bottom: 2rem;
}

.about-section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  padding-left: 10px;
  border-left: 3px solid var(--purple);
}

.about-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 1px 4px rgba(139, 124, 216, 0.06);
}

.about-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
  margin-bottom: 12px;
}

.about-card p:last-child {
  margin-bottom: 0;
}

.about-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-list li {
  font-size: 14px;
  color: var(--text);
  padding-left: 1.4em;
  position: relative;
  line-height: 1.6;
}

.about-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad);
}

/* 料金カード */
.about-price-card {
  padding: 0;
  overflow: hidden;
}

.price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
}

.price-label {
  font-size: 13px;
  color: var(--text-sub);
  flex-shrink: 0;
}

.price-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}

.price-note {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-sub);
}

.price-divider {
  height: 1px;
  background: var(--border);
  margin: 0 20px;
}

/* リポジトリリンク */
.repo-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  margin: 4px 0 14px;
  transition: background 0.15s, border-color 0.15s;
}

.repo-link:hover {
  background: var(--blue-light);
  border-color: var(--blue);
}

.about-note {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
  padding: 12px 14px;
  background: var(--pink-light);
  border-radius: 10px;
}

/* CTA */
.about-cta {
  text-align: center;
  padding: 2rem 0 1rem;
}

.about-cta-text {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 16px;
}

.cta-btn {
  display: inline-block;
  background: var(--grad);
  color: white;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  padding: 13px 32px;
  border-radius: 12px;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.15s;
  box-shadow: 0 4px 16px rgba(139, 124, 216, 0.3);
}

.cta-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}