@media (max-width: 1060px) {
  .concept-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .specimen-gallery {
    gap: 18px;
  }

  .specimen--do-self { grid-column: 1 / 7; }
  .specimen--low-energy { grid-column: 7 / 13; margin-top: 70px; }
  .specimen--direction { grid-column: 1 / 6; margin-top: 5px; }
  .specimen--first-work { grid-column: 6 / 10; margin-top: 70px; }
  .specimen--inner-order { grid-column: 9 / 13; margin-top: 8px; }
}

@media (max-width: 820px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 68px;
    padding: 10px 18px;
  }

  .section-identity {
    display: none;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    font-size: 17px;
  }

  .brand-copy strong {
    font-size: 14px;
  }

  .brand-copy small {
    display: none;
  }

  .intro {
    grid-template-columns: 1fr;
    width: min(100% - 36px, 680px);
    gap: 28px;
    padding: 40px 0 26px;
  }

  .intro h1 {
    font-size: clamp(34px, 10vw, 50px);
  }

  .view-switch {
    width: 100%;
  }

  .view-heading {
    display: grid;
    min-height: 0;
    padding: 22px 18px 18px;
  }

  .view-heading h2 {
    font-size: 26px;
  }

  .lens-switch {
    width: 100%;
    overflow-x: auto;
  }

  .lens-switch button {
    flex: 0 0 auto;
    min-height: 44px;
  }

  .concept-layout {
    grid-template-columns: 1fr;
  }

  .root-canvas {
    min-height: 520px;
    border-right: 0;
    border-bottom: 1px solid rgba(134,125,107,.25);
  }

  .root-node--core {
    width: 88px;
    height: 88px;
    font-size: 17px;
  }

  .root-node--group {
    width: 62px;
    height: 62px;
    font-size: 12px;
  }

  .root-node--leaf {
    display: none;
  }

  .concept-detail {
    min-height: 0;
    padding: 32px 20px 46px;
  }

  .concept-detail h3 {
    font-size: 30px;
  }

  .gallery-note {
    display: none;
  }

  .gallery-shell {
    min-height: auto;
    overflow: visible;
  }

  .gallery-roots {
    opacity: .55;
  }

  .specimen-gallery {
    display: grid;
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 35px 18px 86px;
  }

  .specimen,
  .specimen--do-self,
  .specimen--low-energy,
  .specimen--direction,
  .specimen--first-work,
  .specimen--inner-order {
    grid-column: 1;
    width: min(100%, 620px);
    margin: 0 auto;
    transform: none;
  }

  .specimen:hover,
  .specimen:focus-visible,
  .specimen.is-active {
    transform: translateY(-5px);
  }

  .gallery-shell.flow-shell {
    overflow: visible;
  }

  .gallery-shell.flow-shell::before {
    left: 22px;
  }

  .flow-index {
    position: sticky;
    top: 68px;
    z-index: 20;
    display: flex;
    width: 100%;
    height: 54px;
    margin: 0;
    flex-direction: row;
    justify-content: center;
    gap: 7px;
    border-bottom: 1px solid rgba(134,125,107,.22);
    background: rgba(241,237,228,.9);
    backdrop-filter: blur(12px);
    transform: none;
  }

  .flow-index button small {
    display: none;
  }

  .specimen-gallery.flow-stream {
    display: block;
    min-height: 0;
    padding: 0;
  }

  .flow-work,
  .flow-work--direction,
  .flow-work--inner-order {
    display: grid;
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 48px;
    margin: 0;
    padding: 88px 18px 112px;
  }

  .flow-work .flow-visual,
  .flow-work .flow-copy,
  .flow-work--inner-order .flow-copy {
    grid-column: 1;
    grid-row: auto;
    width: 100%;
    margin: 0;
  }

  .flow-work .flow-visual,
  .specimen.flow-visual {
    transform: none;
  }

  .flow-work:not(.is-in-view) .flow-visual,
  .flow-visual:hover,
  .flow-visual:focus-visible,
  .specimen.flow-visual:hover,
  .specimen.flow-visual:focus-visible {
    transform: none;
  }

  .flow-work--low-energy .flow-copy {
    order: 2;
  }

  .flow-work--low-energy .flow-visual {
    order: 1;
  }

  .flow-ghost-number {
    top: 60px !important;
    right: 5% !important;
    bottom: auto !important;
    left: auto !important;
    font-size: 150px;
  }

  .flow-copy h3 {
    font-size: clamp(27px, 8vw, 40px);
  }

  .flow-ending {
    padding-top: 6vh;
  }
}

@media (max-width: 430px) {
  .help-button {
    padding-left: 8px;
  }

  .intro-copy > p:last-child {
    font-size: 13px;
  }

  .view-switch button {
    min-height: 65px;
    padding: 7px 10px;
  }

  .root-canvas {
    min-height: 440px;
  }

  .root-instruction {
    right: 18px;
    left: 18px;
    text-align: center;
  }

  .specimen h3 {
    font-size: 18px;
  }

  .flow-work,
  .flow-work--direction,
  .flow-work--inner-order {
    padding: 74px 15px 92px;
  }

  .flow-copy h3 {
    font-size: 28px;
  }

  .flow-copy .specimen-question {
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}