@media (max-width: 1100px) {
  .site-header__inner,
  .hero__grid,
  .listing-page__hero,
  .section-heading,
  .project-card,
  .note-card,
  .detail-hero__details {
    grid-template-columns: 1fr;
  }

  .site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .hero__grid,
  .listing-page__hero,
  .section-heading,
  .project-list,
  .note-list,
  .section-link,
  .detail-page > .back-link,
  .detail-hero,
  .detail-overview,
  .detail-gallery,
  .detail-content,
  .error-panel {
    margin-left: 1.6rem;
    margin-right: 1.6rem;
    padding-left: 0;
    padding-right: 0;
  }

  .hero__grid,
  .listing-page__hero,
  .section-heading,
  .site-footer__inner {
    padding-left: 1.6rem;
    padding-right: 1.6rem;
  }

  .site-header__nav {
    justify-content: flex-start;
  }

  .site-header__stamp,
  .project-card__side,
  .note-card__side {
    align-items: flex-start;
    justify-items: start;
    text-align: left;
  }

  .hero__main,
  .listing-page__intro {
    padding-top: 1rem;
  }

  .hero__aside {
    padding-top: 0;
  }

  .site-footer__inner {
    margin-left: 1.6rem;
    margin-right: 1.6rem;
    padding-left: 0;
    padding-right: 0;
  }

  .hero__rail,
  .listing-page__rail {
    display: none;
  }
}

@media (max-width: 720px) {
  :root {
    --shell-width: min(100vw - 1.2rem, 100%);
  }

  .site-header {
    padding-top: 1rem;
  }

  .site-header__inner {
    position: relative;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
  }

  .site-header__mark img {
    width: 4.5rem;
    height: 4.5rem;
  }

  .site-header__toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .site-header__nav {
    position: absolute;
    top: calc(100% + 0.15rem);
    right: 0;
    z-index: 20;
    width: min(18rem, calc(100vw - 1.2rem));
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    margin-top: 0;
    padding: 0.9rem;
    border: 1px solid var(--color-line);
    border-radius: 1rem;
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.28)),
      var(--color-paper-soft);
    box-shadow: 0 18px 34px rgba(31, 24, 18, 0.1);
    backdrop-filter: blur(12px);
  }

  .site-header.is-menu-open .site-header__nav {
    display: flex;
  }

  .site-header__nav a {
    width: 100%;
    padding: 0.9rem 0.15rem;
  }

  .site-header__nav a::after {
    left: 0.15rem;
    right: 0.15rem;
  }

  .site-header.is-menu-open .site-header__toggle span:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
  }

  .site-header.is-menu-open .site-header__toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.is-menu-open .site-header__toggle span:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
  }

  .site-header__stamp {
    display: none;
  }

  .hero,
  .listing-page,
  .detail-page,
  .error-page {
    padding-top: 1.25rem;
  }

  .hero__title {
    font-size: clamp(2.7rem, 15vw, 4.2rem);
  }

  .listing-page__intro h1,
  .detail-hero h1,
  .error-panel h1 {
    font-size: clamp(2.4rem, 13vw, 3.9rem);
  }

  .project-card h3,
  .note-card h3,
  .error-panel h2 {
    font-size: clamp(1.45rem, 8vw, 2rem);
  }

  .hero__grid {
    gap: 2.8rem;
    min-height: auto;
  }

  .hero__aside {
    padding-top: 0;
    gap: 1rem;
  }

  .hero__icon-link {
    width: 2.8rem;
    height: 2.8rem;
  }

  .listing-page__hero--compact {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-top: 1.2rem;
  }

  .detail-overview {
    grid-template-columns: 1fr;
  }

  .detail-carousel__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .detail-carousel__dots {
    order: -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }

  .reveal-on-scroll {
    opacity: 1;
    transform: none;
  }
}