/* 端末条件とレスポンシブ上書きを集約する最終CSS。 */
/* pointer:fine→広い幅→狭い幅→reduced-motionの順で読む。 */

@media (pointer: fine) {
  .site-nav a:hover::after,
  .site-nav a:focus-visible::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .menu-card:hover::after {
    animation: menu-card-shine-sweep var(--shine-duration) var(--ease-light) 1;
  }

  .menu-card:hover {
    border-color: var(--champagne-gold);
    transform: translateY(-4px);
  }

  .shutter-button:not(:disabled):hover,
  .shutter-button:not(:disabled):focus-visible,
  .contact-button:hover,
  .contact-button:focus-visible {
    background: #4a3427;
    border-color: #4a3427;
  }

  .social-link:hover,
  .social-link:focus-visible {
    background: var(--ink);
    color: var(--paper);
    transform: translateY(-3px);
  }
}

@media (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .chapter-gallery .frame-caption {
    opacity: 0.72;
    transform: translateY(4px);
  }

  .photo-window:hover .photo-soft.is-ready,
  .photo-window:focus-visible .photo-soft.is-ready {
    opacity: 0;
    transition-delay: 0s;
    transition-duration: var(--photo-hover-in-duration);
    transition-timing-function: var(--ease-light);
  }

  .chapter-gallery .photo-window:hover .photo-glow,
  .chapter-gallery .photo-window:focus-visible .photo-glow {
    opacity: 0.28;
    transform: scale(1.06);
    transition-duration: 0.5s;
    transition-delay: 0s;
    transition-timing-function: var(--ease-light);
  }

  .chapter-gallery .photo-window:hover .photo-window-reflection,
  .chapter-gallery .photo-window:focus-visible .photo-window-reflection {
    opacity: 0.22;
    transition-duration: 0.6s;
    transition-delay: 0.3s;
    transition-timing-function: var(--ease-light);
  }

  .chapter-gallery .photo-window:hover .photo-dust i,
  .chapter-gallery .photo-window:focus-visible .photo-dust i {
    animation: photo-dust-rise 0.6s var(--ease-light) both;
  }

  .chapter-gallery .photo-window:hover .photo-dust i:nth-child(1),
  .chapter-gallery .photo-window:focus-visible .photo-dust i:nth-child(1) {
    animation-delay: 0.6s;
  }

  .chapter-gallery .photo-window:hover .photo-dust i:nth-child(2),
  .chapter-gallery .photo-window:focus-visible .photo-dust i:nth-child(2) {
    animation-delay: 0.68s;
  }

  .chapter-gallery .photo-window:hover .photo-dust i:nth-child(3),
  .chapter-gallery .photo-window:focus-visible .photo-dust i:nth-child(3) {
    animation-delay: 0.76s;
  }

  .chapter-gallery .photo-window:hover .frame-caption-gold,
  .chapter-gallery .photo-window:focus-visible .frame-caption-gold {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    transition-delay: 0.34s;
    transition-duration: 0.56s;
    transition-timing-function: var(--ease-light);
  }

  .shutter-button:not(:disabled):hover,
  .shutter-button:not(:disabled):focus-visible,
  .contact-button:hover,
  .contact-button:focus-visible {
    transform: scale(1.015);
  }

  .shutter-button:not(:disabled):hover::before,
  .shutter-button:not(:disabled):focus-visible::before,
  .contact-button:hover::before,
  .contact-button:focus-visible::before {
    animation: button-shine-sweep var(--hover-light-duration) linear 1;
  }

  .shutter-button:not(:disabled):hover::after,
  .shutter-button:not(:disabled):focus-visible::after,
  .contact-button:hover::after,
  .contact-button:focus-visible::after {
    animation: button-glow-pulse var(--hover-light-duration) linear 1;
  }
}

@media (min-width: 1400px) {
  .hero-media img {
    object-position: center 45%;
  }
}

@media (max-width: 900px) {
  .site-nav {
    gap: 0.75rem;
  }

  .menu-grid,
  .flow-grid {
    display: block;
  }

  .menu-card + .menu-card,
  .flow-grid li + li {
    margin-top: 1.5rem;
  }

  .flow-grid::after {
    /* 1列時は手順間を縦に結ぶ1px装飾線へ静的置換する。 */
    height: auto;
    inset: 1rem auto 1rem 1.85rem;
    transform: none;
    width: 1px;
  }

  .flow-grid li {
    padding-left: 4.6rem;
  }

  .flow-grid li::before {
    left: 0.4rem;
  }

  .hero-content {
    padding-right: 30%;
  }

  .concept-layout {
    display: block;
  }

  .concept-still {
    margin-left: 36%;
    margin-top: 3.5rem;
  }
}

@media (max-width: 760px) {
  .site-nav {
    display: none;
  }

  .hero-content {
    padding-right: 18%;
  }

  .profile-grid {
    display: block;
  }

  .chapter-gallery--pair,
  .shutter-studio-grid {
    display: block;
  }

  .chapter-gallery--pair .gallery-frame-motion + .gallery-frame-motion {
    margin-top: 1.25rem;
  }

  .profile-copy {
    margin-top: 2.5rem;
  }

  .shutter-stack {
    /* 390pxでは正方形の外接範囲が5枚を重ねても切れない実測値。 */
    aspect-ratio: 1;
    margin-top: 2rem;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-block: 1.1rem;
  }

  .hero {
    padding-block: 9.5rem 6rem;
  }

  .hero-media img {
    object-position: 60% center;
  }

  .hero-scrim {
    background: rgba(250, 246, 239, 0.56);
  }

  .hero-content {
    padding-right: 0;
  }

  .concept-still {
    margin-left: 0;
    margin-top: 3rem;
  }

  .concept::before {
    opacity: 0.12;
  }

  .concept::after {
    opacity: 0.1;
  }

  .hero-light-parallax {
    inset: -8% -35% -8% 5%;
  }

  .hero-bokeh {
    inset: -6% -40% -6% 12%;
    opacity: 0.4;
  }

  .concept {
    padding-block: 7rem;
  }

  .section-heading {
    align-items: start;
    display: block;
  }

  .section-heading p {
    margin-top: 0.5rem;
  }

  .chapter-visual {
    padding-block: 9rem;
  }

  .chapter-gallery {
    padding-block: 4.5rem;
  }

  .chapter-gallery .photo-window {
    padding: 1.1rem 1.1rem 2.6rem;
  }

  .chapter-gallery--single {
    padding-inline: var(--gutter);
  }

  .chapter-copy p {
    letter-spacing: 0.04em;
  }

  .darkroom-stage {
    padding-block: 6rem;
  }

  .darkroom-scene img {
    object-position: 54% center;
  }

  .darkroom-workbench {
    margin-top: 3rem;
  }

  .shutter-stack {
    padding-block: 2.5rem;
  }

  .contact-desk {
    padding-inline: 0;
  }

  .contact-dried-flower {
    bottom: -9%;
    left: -9%;
    transform: rotate(-13deg);
    /* 390pxで便箋脇へ小枝の実寸感で収める画像例外。 */
    width: 44vw;
  }

  .footer-inner p:last-child {
    line-height: 1.7;
  }

  .motion-ok .ambient-light.is-active,
  .motion-ok .hero-bokeh.is-active,
  .motion-ok .night-lamp-glow.is-active,
  .motion-ok .gallery-light-pass,
  .motion-ok .section-light-pass,
  .motion-ok .contact-leaf-shadow.is-active,
  .motion-ok .contact-bokeh-field.is-active i {
    animation: none;
    transform: translate3d(0, 0, 0) scale(1.05);
  }

  .motion-ok .chapter-gallery.is-active .gallery-light-pass,
  .motion-ok .section-light-pass.is-active {
    animation: none;
    opacity: 0.16;
    transform: translate3d(28%, 0, 0) scale(1.05);
  }

  .motion-ok .chapter-gallery.is-active .photo-glow,
  .motion-ok .chapter-gallery.is-active .photo-window-reflection,
  .motion-ok .chapter-gallery.is-active .photo-dust,
  .motion-ok .chapter-gallery.is-active .photo-dust i,
  .motion-ok .chapter-gallery.is-active .frame-caption-gold {
    animation: none;
  }

  .motion-ok .chapter-gallery.is-active .photo-glow,
  .motion-ok .chapter-gallery.is-active .photo-window-reflection,
  .motion-ok .chapter-gallery.is-active .photo-dust i,
  .motion-ok .chapter-gallery.is-active .frame-caption-gold {
    opacity: 0;
    transform: none;
  }

  .motion-ok .chapter-lighting.is-active .chapter-sun-pool--one,
  .motion-ok .chapter-lighting.is-active .chapter-sun-pool--two,
  .motion-ok .chapter-lighting.is-active .chapter-leaf-shadow,
  .motion-ok .chapter-lighting.is-active .chapter-night-bokeh {
    animation: none;
    transform: translate3d(0, 0, 0) scale(1.05);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .intro {
    display: none !important;
  }

  .ambient-light,
  .hero-bokeh,
  .chapter-sun-pool,
  .chapter-leaf-shadow,
  .chapter-night-bokeh,
  .night-lamp-glow,
  .darkroom-red-wash,
  .contact-leaf-shadow,
  .contact-bokeh-field i,
  .gallery-light-pass,
  .section-light-pass,
  .photo-glow,
  .photo-window-reflection,
  .photo-dust,
  .photo-dust i,
  .frame-caption-gold {
    animation: none !important;
  }

  .photo-glow,
  .photo-window-reflection,
  .photo-dust,
  .photo-dust i,
  .frame-caption-gold {
    opacity: 0 !important;
    transform: none !important;
  }

  .ambient-light,
  .hero-bokeh,
  .chapter-sun-pool,
  .chapter-leaf-shadow,
  .chapter-night-bokeh,
  .night-lamp-glow,
  .darkroom-red-wash,
  .contact-leaf-shadow,
  .contact-bokeh-field i,
  .gallery-light-pass,
  .section-light-pass {
    transform: none !important;
  }

  .ambient-light,
  .photo-window img,
  [data-hero-copy],
  [data-hero-line],
  [data-chapter-title],
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-bokeh { opacity: 0.44 !important; }
  .chapter-sun-pool--one { opacity: 0.4 !important; }
  .chapter-sun-pool--two { opacity: 0.3 !important; }
  .chapter-leaf-shadow { opacity: 0.26 !important; }
  .chapter-night-bokeh { opacity: 0.5 !important; }
  .contact-leaf-shadow { opacity: 0.12 !important; }
  .contact-bokeh-field i { opacity: 0.3 !important; }
  .gallery-light-pass,
  .section-light-pass { opacity: 0.18 !important; }
  .menu-card::before,
  .flow-grid::after,
  .flow-grid li::before {
    opacity: 1 !important;
    transform: none !important;
  }
  .night-lamp-glow { opacity: 0.54 !important; }
  .darkroom-red-wash { opacity: 0.54 !important; }
}