/* ポインタ種別、広幅、狭幅、reduced-motionの順で調整する。
   ベースの二列gridは狭幅で通常フローへ戻し、単一列gridは作らない。 */
@media (pointer: fine) {
  .route-stage {
    transition: transform .3s var(--ease-out), border-color .25s var(--ease-standard);
  }

  .route-stage:hover {
    border-color: var(--brass-light);
  }
}

@media (min-width: 1280px) {
  .hero-grid {
    grid-template-columns: 1.2fr .8fr;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    z-index: 99;
    inset: 81px 0 auto;
    display: block;
    padding: 18px var(--gutter) 28px;
    border-bottom: 1px solid var(--ink);
    background: var(--paper);
    color: var(--ink);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity .25s var(--ease-standard), transform .3s var(--ease-out), visibility 0s linear .3s;
  }

  .main-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .main-nav a {
    display: block;
    padding-block: 13px;
    border-bottom: 1px solid var(--line);
  }

  .main-nav .nav-contact {
    margin-top: 12px;
    padding-inline: 13px;
  }

  .hero-grid,
  .section-heading,
  .value-heading,
  .about-atlas,
  .approach,
  .company-layout,
  .contact-grid {
    display: block;
  }

  .route-stage,
  .section-heading > div,
  .value-heading > div,
  .path-origin,
  .beliefs,
  .approach-list,
  .company-table,
  .contact-routes {
    margin-top: 48px;
  }

  .storyline-track,
  .storyline-progress {
    left: 14px;
  }

  .hero::after {
    left: 14px;
  }

  .story-bud {
    left: 7px;
  }

  .route-stage {
    margin-left: 48%;
  }

  .atlas-grid {
    display: block;
  }

  .service-item + .service-item {
    margin-top: 1px;
  }

  .culture-gallery {
    grid-template-columns: 1.05fr .95fr;
  }
}

@media (max-width: 640px) {
  html {
    scroll-padding-top: 78px;
  }

  .header-inner {
    padding-block: 14px;
  }

  .main-nav {
    top: 73px;
  }

  .hero {
    padding-top: 118px;
  }

  .hero-media img {
    object-position: 59% center;
  }

  .hero-shade {
    background: rgba(5, 11, 8, .76);
  }

  .hero-coordinate span:last-child {
    display: none;
  }

  .hero h1 {
    font-size: clamp(38px, 10.7vw, 42px);
  }

  .service .section-heading h2 {
    font-size: 26px;
    letter-spacing: -.045em;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    gap: 18px;
  }

  .hero-foot {
    align-items: flex-end;
  }

  .hero-foot span:first-child {
    white-space: nowrap;
  }

  .route-stage {
    display: none;
  }

  .js .hero-media,
  .js .hero-copy,
  .js .hero-foot {
    animation: none;
  }

  .service-summary {
    display: block;
  }

  .service-summary p {
    padding-inline: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .service-summary p:last-child {
    border-bottom: 0;
  }

  .route-catalog {
    padding: 20px;
  }

  .atlas-sheet-head,
  .atlas-sheet-foot {
    display: block;
  }

  .atlas-sheet-head p + p,
  .atlas-sheet-foot p + p {
    margin-top: 8px;
  }

  .service-item h3,
  .service-item > p:last-child {
    margin-top: 14px;
  }

  .approach {
    padding: 26px 20px;
  }

  .approach-list li {
    gap: 18px;
  }

  .value-item {
    grid-template-columns: auto 1fr auto;
    gap: 14px;
  }

  .value-copy {
    grid-column: 2 / -1;
  }

  /* モバイルでも意味を失わない芽アイコンの縮小固定寸法例外。 */
  .value-sprout {
    width: 52px;
    height: 52px;
  }

  .sprout-stem {
    color: var(--brass-light);
    transform: scaleY(1);
  }

  .sprout-leaf,
  .sprout-leaf--right {
    color: var(--green-bright);
    opacity: 1;
    transform: scale(1) rotate(0);
  }

  .culture-gallery {
    display: block;
  }

  .culture-shot + .culture-shot,
  .culture-shot--portrait + .culture-shot--portrait {
    margin-top: 46px;
  }

  .culture-shot figcaption,
  .photo-note {
    display: block;
  }

  .culture-shot figcaption span,
  .photo-note span {
    display: block;
  }

  .culture-shot figcaption span + span,
  .photo-note span + span {
    margin-top: 5px;
  }

  .company-table > div {
    grid-template-columns: .42fr 1.58fr;
    gap: 18px;
  }

  .footer-top {
    display: block;
  }

  .footer-nav {
    margin-top: 42px;
  }

  .footer-bottom {
    display: block;
  }

  .footer-bottom p + p {
    margin-top: 12px;
  }
}

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

  .js.motion-ready [data-reveal]:not(.is-visible),
  .js.motion-ready [data-image-reveal] .image-reveal-media,
  .js.motion-ready [data-mask-reveal] .mask-line > span {
    opacity: 1;
    transform: none;
  }

  .storyline-progress {
    transform: scaleY(1);
  }

  .sprout-stem {
    color: var(--brass-light);
    transform: scaleY(1);
  }

  .sprout-leaf,
  .sprout-leaf--right {
    color: var(--green-bright);
    opacity: 1;
    transform: scale(1) rotate(0);
  }

  .js.motion-ready .origin-path-mask {
    display: none;
  }
}