.pc-header {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 9;
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  padding: 12px 48px;
  border-bottom: 1px solid color-mix(in srgb, var(--border-color) 70%, transparent);
  background: var(--header-background);
  backdrop-filter: blur(16px);
  transform: translateX(-50%);
}
.pc-header-logo {
  flex: none;
  color: var(--secondary-text-color);
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
}

.pc-header-logo span {
  color: var(--secondary-color);
}

.pc-header-logo b {
  color: var(--primary-color);
  font-size: 1.15em;
}

.pc-header-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.pc-header-links li {
  list-style: none;
}

.pc-header-link {
  position: relative;
  color: var(--primary-text-color);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
  transition: color 0.2s ease;
}

.pc-header-link:not(.pc-header-link--cv)::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--secondary-color);
  content: '';
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.2s ease;
}

.pc-header-link:hover {
  color: var(--secondary-color);
}

.pc-header-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.pc-header-link--cv {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--surface-background);
}

.pc-header-link--cv:hover {
  border-color: var(--secondary-color);
}

@media (max-width: 720px) {
  .pc-header {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
    padding: 10px 24px;
  }

  .pc-header-logo {
    font-size: 1rem;
    text-align: center;
  }

  .pc-header nav {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .pc-header nav::-webkit-scrollbar {
    display: none;
  }

  .pc-header-links {
    width: max-content;
    min-width: 100%;
    justify-content: center;
    gap: 24px;
  }
}

@media (max-width: 520px) {
  .pc-header-links {
    gap: 18px;
  }

  .pc-header-links li:nth-child(4) {
    display: none;
  }
}