@font-face {
  font-family: Inter;
  src: url("../fonts/UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa1ZL7W0Q5nw.woff2")
    format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: MobiriseIconsSubset;
  src: url("../fonts/mobirise-icons.subset.woff2") format("woff2");
  font-display: swap;
}
@font-face {
  font-family: Mobirise2Subset;
  src: url("../fonts/mobirise2.subset.woff2") format("woff2");
  font-display: swap;
}

:root {
  color-scheme: dark;
  --background: #050505;
  --foreground: #f5f5f5;
  --secondary: #b9b9bd;
  --line: #343438;
  --surface: #111113;
  --accent: #ff6ec7;
  --gutter: clamp(1rem, 4.45vw, 4rem);
  --gap: clamp(1rem, 2.2vw, 2rem);
  --section-space: clamp(1rem, 3svh, 2rem);
  --chapter-gap: clamp(4rem, 10svh, 7rem);
  --heading-gap: clamp(1.5rem, 5svh, 3rem);
  --header-height: 76px;
  --persistent-bottom: 0px;
  --scene-unit: calc((100svh - var(--persistent-bottom)) / 100);
  --display: clamp(2.75rem, 7.78vw, 7rem);
  --heading: clamp(2rem, 4.6vw, 4rem);
  --title: clamp(1.25rem, 1.8vw, 1.625rem);
  --control: 0.875rem;
  --body: 0.8125rem;
  --caption: 0.75rem;
  --legal: 0.6875rem;
  --device-padding: clamp(8px, 1.2vw, 14px);
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

* {
  box-sizing: border-box;
}
html,
body {
  -ms-overflow-style: none;
  scrollbar-width: none;
  overscroll-behavior-y: none;
  overflow-x: clip;
}
html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}
html {
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
html.intro-complete {
  scroll-snap-type: none;
}
body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: Inter, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: var(--body);
  line-height: 1.75;
}
button,
input,
textarea {
  font: inherit;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button,
summary {
  cursor: pointer;
}
a {
  color: inherit;
  text-underline-offset: 0.25em;
}
button {
  min-height: 44px;
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  color: var(--foreground);
  background: var(--surface);
}
button:disabled {
  opacity: 0.4;
  cursor: default;
}
:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 5px;
}
img,
video {
  display: block;
  max-width: 100%;
}
img {
  height: auto;
}
iframe {
  width: 100%;
  border: 0;
}
h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}
h1,
h2,
h3,
h4 {
  overflow-wrap: anywhere;
  text-wrap: balance;
}
h1 {
  font-size: var(--display);
  line-height: 1.08;
  letter-spacing: -0.055em;
}
h2,
.gs-heading,
.gs-overline,
.order-gallery__title {
  font-size: var(--heading);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.04em;
  margin: 0 auto var(--heading-gap);
  max-width: none;
  text-align: center;
  text-wrap: balance;
}
h3,
h4,
.ju-design__eyebrow {
  font-size: var(--title);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.02em;
}
p,
li {
  overflow-wrap: break-word;
  line-break: strict;
}
p + p {
  margin-top: 1rem;
}
.eyebrow,
.ju-title-small {
  display: block;
  font-size: var(--caption);
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
  color: var(--secondary);
}
.text-xs {
  font-size: var(--caption);
}
.gs-card-text,
.gs-work-text,
.gs-info-text,
.ju-design__text,
.ju-acc__text {
  color: var(--secondary);
}
.container,
.chapter {
  width: min(100%, calc(1280px + 2 * var(--gutter)));
  margin-inline: auto;
  padding-left: max(var(--gutter), var(--safe-left));
  padding-right: max(var(--gutter), var(--safe-right));
}
.chapter {
  width: 100%;
  max-width: none;
  min-height: 100lvh;
  min-height: 100vh;
  padding-left: max(var(--safe-left), var(--gutter), calc((100% - 1280px) / 2));
  padding-right: max(
    var(--safe-right),
    var(--gutter),
    calc((100% - 1280px) / 2)
  );
  padding-block: calc(var(--section-space) + var(--header-height))
    calc(var(--section-space) + var(--persistent-bottom));
  margin-bottom: var(--chapter-gap);
  display: flex;
  flex-direction: column;
  justify-content: center;
  scroll-snap-align: none;
  background: var(--background);
}

.gs-container,
.ju-container {
  width: 100%;
  min-width: 0;
}
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  color: #f5f5f5;
  background: transparent;
  border-bottom: 1px solid #ffffff14;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  transform: translateY(var(--viewport-offset-y, 0px));
}
.header-inner {
  min-height: calc(76px + var(--safe-top));
  padding-top: var(--safe-top);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  font-size: 1.375rem;
  letter-spacing: 0.05em;
  text-decoration: none;
}
.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  font-size: var(--caption);
}
.status-text {
  color: var(--accent);
  font-size: 0.8125rem;
  white-space: nowrap;
}
.hero.chapter {
  width: 100%;
  max-width: none;
  height: 100svh;
  min-height: 0;
  display: grid;
  place-content: center;
  position: relative;
  isolation: isolate;
  padding: 0;
  background: var(--background);
  color: #fff;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.hero-video {
  position: absolute;
  inset: 0;
}
.video-el {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-title {
  text-align: center;
}
#hero .hero-title {
  font-size: min(13.5vw, 55svh);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.05em;
  width: 100vw;
  max-width: none;
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
  white-space: nowrap;
  mix-blend-mode: difference;
}
html:not(.hero-media-ready) #hero .hero-title {
  visibility: hidden;
}
.hero-shift-wrapper {
  display: block;
}
.gooey-wrapper {
  display: block;
  position: relative;
  width: 100%;
  height: 1.2em;
}
.gooey-wrapper > span {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
html:not(.intro-complete):not([data-hero-state="transition"]) .site-header {
  visibility: hidden;
}
#hero-scroll-zone {
  height: 1600dvh;
  min-height: 12800px;
  position: relative;
}
#hero-scroll-zone #hero {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100lvh;
  margin: 0;
}
html[data-hero-state="hero"] .site-header {
  visibility: hidden;
}
@media (prefers-reduced-motion: reduce) {
  #hero-scroll-zone {
    height: 100svh;
    min-height: 0;
  }
  #face3d-layer {
    display: none;
  }
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.status-tooltip-wrapper {
  position: relative;
}
.tooltip-box {
  position: absolute;
  top: 100%;
  right: 0;
  width: max-content;
  max-width: 80vw;
  background: #111;
  padding: 0.5rem;
  visibility: hidden;
}
.status-tooltip-wrapper:hover .tooltip-box {
  visibility: visible;
}
.gs-grid-2,
.gs-grid-3,
.gs-grid-4,
.ju-design__row,
.ju-policy__wrap,
.apology-grid {
  display: grid;
  gap: var(--gap);
  align-items: start;
}
.gs-grid-2,
.ju-design__row,
.ju-policy__wrap,
.apology-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.gs-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.gs-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.gs-card,
.gs-work-card,
.gs-feature-card,
.gs-info-card,
.ju-design__col,
.apology-left,
.apology-right {
  min-width: 0;
}
.story .gs-card {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}
.gs-card-title,
.gs-info-title {
  margin-bottom: 0.75rem;
}
.story .gs-card-text br {
  display: none;
}
picture {
  display: contents;
}
.gs-work-image-wrapper {
  aspect-ratio: 1;
  margin-bottom: 1rem;
  overflow: hidden;
}
.gs-work-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  aspect-ratio: 1;
}
.gs-work-title {
  font-size: var(--title);
}
.gs-work-text {
  margin-top: 0.4rem;
}
.features .gs-feature-card {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}
.gs-feature-list {
  padding: 0;
  margin: 1rem 0 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  color: var(--secondary);
}
.showcase {
  max-width: 1728px;
}

.rail {
  display: flex;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  gap: var(--gap);
  padding-block: 0.5rem 1.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.rail-item {
  flex: 0 0 clamp(260px, 29vw, 360px);
  min-width: 0;
  scroll-snap-align: start;
}
.rail-item img {
  cursor: grab;
}
.rail-item .gs-work-text {
  font-size: var(--caption);
}

.coverflow-slide {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.ju-design__row {
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
}
.ju-design__stack {
  display: grid;
  gap: 2rem;
}
.ju-design__eyebrow {
  margin-bottom: 1rem;
}
.ju-design__image img {
  width: 100%;
}
.ju-policy__wrap {
  gap: clamp(2rem, 6vw, 6rem);
}
.ju-policy__img {
  width: 100%;
}
#policy .ju-policy__img {
  width: auto;
  max-width: 100%;
  height: min(52svh, 560px);
  object-fit: contain;
  margin-inline: auto;
}
#works .gs-work-image-wrapper {
  width: min(100%, calc(26 * var(--scene-unit)));
  margin-inline: auto;
}
#design .ju-design__image img {
  width: auto;
  max-width: 100%;
  max-height: max(
    100px,
    calc(
      var(--scene-height, 100svh) - var(--header-height) -
        var(--persistent-bottom) - 2 * var(--section-space)
    )
  );
  margin-inline: auto;
}
#design-intro .ju-design__image img {
  width: auto;
  max-width: 100%;
  max-height: 38svh;
  margin-inline: auto;
}
.accordion-item {
  border-top: 1px solid var(--line);
  transition: background-color 0.2s ease;
}
.accordion-item:last-child {
  border-bottom: 1px solid var(--line);
}
summary {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  min-height: 44px;
  padding: 0.7rem 0;
  font-size: var(--control);
  line-height: 1.45;
  list-style: none;
  cursor: pointer;
  user-select: none;
}
summary::-webkit-details-marker {
  display: none;
}

summary .ttl {
  flex: 1;
}
summary .sign::after {
  content: "+";
}
details[open] summary .sign::after {
  content: "−";
}
.ju-acc__panel {
  padding: 0 0 1.5rem;
  animation: ju-acc-expand 0.24s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes ju-acc-expand {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.ju-acc__text,
.ju-acc__text.text-xs {
  font-size: var(--body);
  line-height: 1.75;
}
.ju-header {
  margin-bottom: var(--heading-gap);
}
.ju-title-big {
  display: block;
}
.ju-media {
  position: relative;
  aspect-ratio: 16/9;
  background: #000;
}
.ju-media iframe,
.hero-video iframe {
  position: absolute;
  inset: 0;
  height: 100%;
}
.btn-container {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-top: 1.5rem;
  color: var(--foreground);
  font-size: var(--caption);
}
.custom-btn {
  display: inline-flex;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  align-items: center;
}
.custom-btn + .custom-btn {
  border-left: 0;
  background: transparent;
  color: inherit;
}
.simu-frame iframe {
  width: 100%;
  height: min(
    720px,
    max(
      120px,
      calc(
        100svh - var(--header-height) - var(--persistent-bottom) - 100px - 2 *
          var(--device-padding)
      )
    )
  );
  min-height: 0;
  display: block;
  border: 0;
}
.simu-frame {
  background: var(--surface);
}
.device-shell {
  position: relative;
  padding: clamp(8px, 1.2vw, 14px);
  border: 2px solid #5a5a60;
  border-radius: clamp(24px, 3.2vw, 38px);
  background: linear-gradient(145deg, #252528, #0c0c0e 45%, #161618);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -2px 0 #000,
    0 0 0 1px #000;
  transform-origin: center;
  will-change: transform;
}
.device-shell::before {
  content: "";
  position: absolute;
  left: calc(50% - 2px);
  top: 5px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #10161b;
  box-shadow:
    inset 0 0 0 1px #343a42,
    0 0 0 1px #000;
  z-index: 2;
}
.device-shell .ju-media,
.device-shell .simu-frame {
  border-radius: clamp(16px, 2.4vw, 28px);
  overflow: hidden;
}
#simulator .simu-wrapper {
  max-width: 1180px;
  margin-inline: auto;
  perspective: 1400px;
}
#simulator .simu-wrapper.is-hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}
.simu-empty {
  position: absolute;
  inset: var(--header-height) 0 var(--persistent-bottom);
  display: grid;
  place-items: center;
  color: var(--secondary);
  font-size: var(--caption);
  pointer-events: none;
}
.simu-empty[hidden] {
  display: none;
}
#simulator.chapter {
  justify-content: center;
  padding-top: calc(var(--header-height) + 0.5rem);
  padding-bottom: calc(var(--persistent-bottom) + 0.5rem);
  min-height: 100svh;
  height: 100svh;
  box-sizing: border-box;
}
.simu-ctrl-bar {
  display: flex;
  justify-content: flex-end;
  max-width: 1180px;
  margin: 0 auto 0.4rem;
  position: relative;
  z-index: 5;
}
@media (max-width: 520px) {
  :root {
    --device-padding: 6px;
  }
  .device-shell {
    padding: 6px;
    border-radius: 20px;
  }
  .device-shell .ju-media,
  .device-shell .simu-frame {
    border-radius: 14px;
  }
}

.gs-info-card {
  border-top: 0;
  padding-top: 1.5rem;
}
.visual {
  padding-inline: 0;
}
.visual > .gs-container {
  width: 100%;
}
.visual .ttl-wrap {
  padding-inline: var(--gutter);
}
.visual-title-line {
  display: inline-block;
}
.visual .ov {
  width: 100%;
  margin: 0;
}
.visual img {
  width: 100%;
  height: auto;
}
#originalballmaking-visual-2 .ov img {
  clip-path: inset(0.35%);
}
@media (orientation: landscape) {
  .visual.chapter {
    padding-inline: 0;
  }
  .visual > .gs-container {
    height: calc(
      100svh - var(--header-height) - var(--persistent-bottom) - 2 *
        var(--section-space)
    );
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    align-items: center;
    gap: var(--heading-gap);
  }
  .visual .gs-overline {
    margin: 0;
    white-space: normal;
  }
  .visual .ov {
    height: 100%;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .visual img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
  }
}
@media (min-aspect-ratio: 11/5) and (max-height: 560px) {
  .visual.chapter {
    padding-inline: var(--gutter);
  }
  .visual > .gs-container {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    justify-content: center;
    grid-template-rows: minmax(0, 1fr);
    gap: var(--gap);
  }
  .visual .ttl-wrap {
    padding: 0;
  }
  .visual > .gs-container {
    max-width: 1000px;
    margin-inline: auto;
  }
  .visual .ttl-wrap {
    justify-self: end;
  }
  .visual .ov {
    justify-content: flex-start;
  }
}
#hero-2-slide {
  width: 100%;
  max-width: none;
  padding: 0;
  padding-block: 0;
  min-height: 100vh;
  min-height: 100dvh;
}
#hero-2 {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  isolation: isolate;
  overflow: hidden;
}
#hero-2 .hero-title {
  position: relative;
  z-index: 1;
  padding-inline: var(--gutter);
  font-size: var(--heading);
  font-weight: 900;
  color: #fff;
  max-width: none;
  margin: 0;
  text-shadow: 0 2px 24px #0008;
  pointer-events: none;
}
#hero-2 .hero-video {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
#hero-2 .hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
#hero-2 .hero-video iframe {
  width: max(100%, 177.778vh, 177.778dvh);
  height: max(100%, 56.25vw);
  min-width: 100%;
  min-height: 100%;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.specs .gs-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gap);
}
.specs .gs-work-image-wrapper {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.specs .gs-work-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  aspect-ratio: auto;
}
.specs ul {
  padding-left: 1.25rem;
  color: var(--secondary);
}
#specs .gs-container {
  max-height: calc(
    100svh - var(--header-height) - var(--persistent-bottom) - 2 *
      var(--section-space)
  );
  overflow: auto;
}
#specs .gs-grid-4 {
  grid-template-columns: repeat(4, minmax(190px, 1fr));
}
#specs .gs-work-card {
  border-top: 0;
  padding-top: 1rem;
}
#specs .gs-work-text {
  font-size: var(--body);
}
.craft .ju-design__row {
  grid-template-columns: 1fr 1.3fr 1fr;
  gap: var(--gap);
}
.apology-grid {
  gap: clamp(2rem, 6vw, 6rem);
}
.apology-left h3 {
  margin-bottom: 1rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
label {
  display: block;
  font-size: var(--caption);
  margin-bottom: 0.5rem;
}
input,
textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
  color: var(--foreground);
  font-size: 1rem;
  min-height: 48px;
}
textarea {
  min-height: 160px;
  resize: vertical;
}
#site-notice {
  position: fixed;
  inset: auto 0 0;
  width: 100%;
  z-index: 900;
  font-size: var(--caption);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  transform: translateY(var(--viewport-offset-y, 0px));
}
#site-notice .band {
  background: #ff6ec7;
  color: #000;
  padding: 10px 0;
  overflow: hidden;
}
#site-notice .marquee {
  display: flex;
  width: max-content;
  white-space: nowrap;
  animation: notice-flow 22s linear infinite;
}
#site-notice .row {
  flex: none;
}
@keyframes notice-flow {
  to {
    transform: translateX(-50%);
  }
}
footer {
  position: fixed;
  inset: auto 0 var(--notice-height, 44px);
  z-index: 900;
  padding: 0.75rem max(var(--gutter), var(--safe-right)) 0.75rem
    max(var(--gutter), var(--safe-left));
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  border: 0;
  text-align: center;
  color: #f5f5f5;
  font-size: var(--caption);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  transform: translateY(var(--viewport-offset-y, 0px));
}
.footer-visible footer,
.footer-visible #site-notice {
  opacity: 1;
  pointer-events: auto;
}
#contact-apology {
  padding-bottom: calc(var(--section-space) + var(--footer-height, 140px));
}
footer .text-xs {
  font-size: var(--legal);
}
footer .ju-footer-privacy-link {
  margin: 0;
  padding: 0;
  min-height: 0;
  border: 0;
  background: none;
  color: inherit;
  white-space: nowrap;
}
dialog {
  width: min(900px, calc(100% - 2rem));
  max-height: calc(100dvh - 2rem);
  padding: clamp(1.25rem, 4vw, 3rem);
  background: var(--background);
  color: var(--foreground);
  border: 1px solid var(--line);
}
dialog::backdrop {
  background: #000c;
}
.dialog-close {
  display: block;
  margin-left: auto;
  margin-bottom: 1.5rem;
  position: sticky;
  top: 0;
  z-index: 2;
}

[hidden] {
  display: none;
}
#cursor3d {
  position: fixed;
  top: 0;
  left: 0;
  width: 32px;
  height: 32px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 100000;
  mix-blend-mode: difference;
  opacity: 0;
}
#cursor3d canvas {
  display: block;
}
#cursor3d {
  transition: transform 0.18s ease;
}
#cursor3d.is-interactive {
  transform: translate(-50%, -50%) scale(1.65);
}
.story .gs-card,
#testimonial-event-shop .gs-card {
  display: block;
}
#originalballmaking-visual-1 .visual-title-line {
  display: block;
  white-space: nowrap;
}
@media (min-aspect-ratio: 11/5) and (max-height: 560px) {
  #originalballmaking-visual-1 h2 {
    font-size: min(var(--heading), 3.65vw);
  }
}
@media (any-pointer: fine) {
  .ju-hide-cursor,
  .ju-hide-cursor * {
    cursor: none;
  }
}
#privacy-dialog {
  width: min(1000px, calc(100% - 2rem));
  padding: 1rem 1.5rem;
  font-size: var(--legal);
  line-height: 1.5;
}
#privacy-dialog .dialog-close {
  margin: 0 0 0.25rem auto;
  padding: 0;
  min-height: 24px;
  width: 24px;
  border: 0;
  background: none;
}
.privacy-content h2 {
  font-size: inherit;
  text-align: left;
  letter-spacing: normal;
  font-weight: 700;
  max-width: none;
  margin: 0.75em 0 0.25em;
}
.privacy-content p {
  margin: 0 0 0.5em;
}
.privacy-content ul {
  padding-left: 1.25em;
  margin: 0.25em 0 0.5em;
}
.privacy-content a {
  overflow-wrap: anywhere;
}
#faq-title,
#ju-contact-embedded > h2 {
  font-size: var(--title);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.02em;
  text-align: left;
  margin: 0 0 1rem;
  max-width: none;
}
.value-lead {
  font: inherit;
  letter-spacing: inherit;
}
@media (orientation: portrait) {
  #features h2 {
    font-size: min(var(--heading), calc((100vw - 2 * var(--gutter)) / 16));
  }
  .value-lead {
    white-space: nowrap;
  }
  #features .gs-feature-card {
    text-align: center;
  }
  #features .gs-feature-list {
    justify-content: center;
  }
}
.mbr-iconfont {
  font-style: normal;
  font-weight: normal;
  line-height: 1;
  display: inline-block;
  -webkit-font-smoothing: antialiased;
}
.mbri-globe::before {
  font-family: MobiriseIconsSubset;
  content: "\e933";
}
.mbri-users::before {
  font-family: MobiriseIconsSubset;
  content: "\e98c";
}
.mbri-speed::before {
  font-family: MobiriseIconsSubset;
  content: "\e975";
}
.mobi-mbri-quote-left::before {
  font-family: Mobirise2Subset;
  content: "\e965";
}
@media (max-height: 560px) and (min-width: 600px) {
  .privacy-content {
    columns: 2;
    column-gap: 2rem;
  }
  .privacy-content h2 {
    break-after: avoid;
  }
  .privacy-content p,
  .privacy-content ul {
    break-inside: avoid;
  }
}
#modeling .ju-title-small {
  font-size: var(--title);
  color: var(--foreground);
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: 0;
}
#modeling h2 {
  margin-bottom: 0;
}
#manufacturing-status .gs-feature-card {
  text-align: center;
}
#manufacturing-status .btn-container {
  justify-content: center;
}
#testimonial-event-shop {
  justify-content: center;
  text-align: center;
}
#testimonial-event-shop .gs-card {
  max-width: 60rem;
  margin-inline: auto;
}
#testimonial-event-shop .gs-card-title {
  font-size: var(--title);
}
html.theme-invert {
  color-scheme: light;
  --background: #fff;
  --foreground: #111;
  --secondary: #49494d;
  --line: #aaa;
  --surface: #f3f3f3;
}
html.theme-invert footer {
  color: var(--foreground);
  background: transparent;
  border-top: 0;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}
html.theme-invert .ju-footer-privacy-link {
  color: var(--secondary);
}
html.theme-invert .ju-footer-privacy-link:hover {
  color: var(--foreground);
}
html.theme-invert .site-header {
  color: #111;
  background: transparent;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.theme-toggle,
.simu-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  min-height: 44px;
  flex: none;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  opacity: 0.8;
  cursor: pointer;
}
.theme-toggle::before,
.simu-toggle::before {
  content: "";
  position: absolute;
  inset: 21px 6px;
  background: currentColor;
  opacity: 0.4;
}
.theme-toggle::after,
.simu-toggle::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 17px;
  width: 10px;
  height: 10px;
  background: currentColor;
}
.theme-toggle[aria-pressed="true"]::after,
.simu-toggle[aria-pressed="false"]::after {
  transform: translateX(22px);
}
.theme-toggle:hover,
.simu-toggle:hover {
  opacity: 1;
}
.simu-toggle:focus,
#privacy-dialog .dialog-close:focus {
  outline: none;
  box-shadow: none;
}
.simu-toggle:focus-visible,
#privacy-dialog .dialog-close:focus-visible {
  box-shadow: inset 0 -2px currentColor;
}
@media (min-aspect-ratio: 3/2) {
  :root {
    --heading: clamp(1.5rem, 3.9vw, 4rem);
  }
  main h2:not(.eyebrow) br {
    display: none;
  }
  main h2:not(.eyebrow) {
    white-space: nowrap;
  }
  .gs-grid-3,
  .gs-grid-4,
  .specs .gs-grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .gs-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .ju-policy__wrap,
  .apology-grid,
  .ju-design__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-height: 560px) and (min-aspect-ratio: 3/2) {
  :root {
    --heading: min(4.8vw, 12svh);
    --title: 1.125rem;
    --section-space: 1.5rem;
    --heading-gap: 2rem;
    --chapter-gap: 3rem;
  }
}
@media (max-width: 1100px) {
  .gs-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .craft .ju-design__row {
    grid-template-columns: 1fr 1fr;
  }
  .craft .ju-design__col:nth-child(2) {
    grid-column: 1 / -1;
    grid-row: 1;
  }
}
@media (max-width: 760px) {
  .gs-grid-3,
  .ju-policy__wrap,
  .apology-grid {
    grid-template-columns: 1fr;
  }
  .ju-policy__wrap aside {
    max-width: 440px;
  }
  .ju-design__row {
    grid-template-columns: 1fr;
  }
  .rail-item {
    flex-basis: 78vw;
  }
}
@media (max-width: 520px) {
  :root {
    --header-height: 68px;
  }
  #privacy-dialog {
    width: calc(100% - 1rem);
    max-width: none;
    max-height: calc(100dvh - 1rem);
    padding: 0.75rem;
    line-height: 1.4;
  }
  #simulator.chapter {
    width: 100%;
    padding-inline: max(32px, 8vw);
  }
  .gs-grid-2,
  .gs-grid-4,
  .specs .gs-grid-4 {
    grid-template-columns: 1fr;
  }
  .header-inner {
    min-height: calc(68px + var(--safe-top));
  }
  .brand {
    font-size: 1rem;
    gap: 0.5rem;
  }
  .brand img {
    width: 30px;
    height: 30px;
  }
  .nav {
    gap: 0.5rem;
  }
  .status-text {
    font-size: 0.75rem;
  }
  .craft .ju-design__row {
    grid-template-columns: 1fr;
  }
  #works .gs-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  #works .gs-work-title {
    font-size: var(--title);
    overflow-wrap: anywhere;
  }
  #policy .ju-policy__img {
    height: 20svh;
  }
  #policy .ju-policy__wrap {
    gap: var(--gap);
  }
  #design-intro .ju-design__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gap);
  }
  #design-intro .ju-design__col:nth-child(2) {
    grid-column: 1 / -1;
    grid-row: 2;
  }
  #design-intro .ju-design__image img {
    max-height: 23svh;
  }
  #design-intro .ju-design__stack {
    gap: 1rem;
  }
  #contact-apology .form-group {
    margin-bottom: 0.65rem;
  }
  #contact-apology textarea {
    min-height: 90px;
    height: 90px;
  }
}

@media (orientation: landscape) and (max-height: 560px) {
  :root {
    --section-space: 0.5rem;
    --heading-gap: 1rem;
  }
  #works .gs-work-image-wrapper {
    width: min(
      100%,
      calc(
        100svh - var(--header-height) - var(--persistent-bottom) - 2 *
          var(--section-space) - 1.16 * var(--heading) - var(--heading-gap) -
          100px
      )
    );
  }
  #policy .ju-policy__img {
    height: calc(45 * var(--scene-unit));
  }
  .story .gs-card {
    display: block;
    padding-top: 0.5rem;
  }
  summary {
    min-height: 30px;
    padding: 0.35rem 0;
  }
  #policy .ju-acc,
  #originalballmaking-accordion .ju-acc,
  #faq-accordion .ju-acc {
    max-height: 48svh;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  #policy .ju-acc,
  #faq-accordion .ju-acc {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1rem;
  }
  #policy .accordion-item:nth-last-child(-n + 2),
  #faq-accordion .accordion-item:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
  #policy summary,
  #faq-accordion summary {
    min-height: 44px;
  }
  #policy details[open],
  #faq-accordion details[open] {
    grid-column: 1 / -1;
  }
  #design .ju-design__stack {
    gap: 1rem;
  }
  #design .ju-design__eyebrow {
    margin-bottom: 0.5rem;
  }
  #design .ju-design__text {
    line-height: 1.6;
  }
  #design-intro .ju-design__row {
    grid-template-columns: 0.65fr 1.7fr 0.65fr;
  }
  #design-intro .ju-design__col:nth-child(2) {
    grid-column: auto;
    grid-row: auto;
  }
  #design-intro .ju-design__stack {
    gap: 0.5rem;
  }
  #design-intro .ju-design__text {
    line-height: 1.45;
  }
  #faq-accordion > .ju-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
  }
  #faq-accordion > .ju-container > .gs-overline {
    grid-column: 1;
    grid-row: 1 / 3;
    align-self: center;
    margin: 0;
  }
  #faq-title {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 0;
  }
  #faq-accordion .ju-acc {
    grid-column: 2;
    grid-row: 2;
  }
  #contact-apology .apology-grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--gap);
  }
  #ju-contact-embedded > h2 {
    margin-bottom: 0.5rem;
  }
  #contact-apology .dragArea {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
  }
  #contact-apology .form-group {
    margin: 0;
  }
  #contact-apology .form-group:nth-child(4),
  #contact-apology button {
    grid-column: 1 / -1;
  }
  #contact-apology input {
    min-height: 36px;
    height: 36px;
    padding: 0.4rem;
    font-size: var(--body);
  }
  #contact-apology textarea {
    min-height: 60px;
    height: 60px;
    padding: 0.4rem;
  }
  #contact-apology {
    padding-bottom: calc(12px + var(--footer-height, 84px));
  }
}

@media (hover: none) and (pointer: coarse) and (orientation: landscape) and (max-height: 560px) {
  :root {
    --header-height: 48px;
    --caption: 0.625rem;
    --legal: 0.625rem;
    --gutter: 12px;
  }
  .site-header .header-inner {
    min-height: calc(48px + var(--safe-top));
  }
  .brand {
    font-size: 1rem;
    gap: 0.5rem;
  }
  .brand img {
    width: 28px;
    height: 28px;
  }
  .status-text {
    font-size: 0.625rem;
  }
  footer {
    padding-block: 4px;
    line-height: 1.4;
  }
  footer .text-xs {
    font-size: var(--legal);
    line-height: 1.4;
  }
  #site-notice .band {
    padding-block: 4px;
  }
}
@media (hover: none) and (pointer: coarse) and (orientation: landscape) and (max-height: 340px) {
  :root {
    --title: 1rem;
  }
  #design .ju-design__stack {
    gap: 0.5rem;
  }
  #design .ju-design__text,
  .apology-left p {
    line-height: 1.45;
  }
}

main {
  isolation: isolate;
}
.chapter-stage {
  position: relative;
  background: var(--background);
  margin-bottom: var(--chapter-gap);
}
.chapter-stage[data-chapter-anchor="contact-apology"] {
  margin-bottom: 0;
}
.chapter-stage > .chapter {
  position: sticky;
  top: var(--stack-top, 0px);
  margin: 0;
}
/* Keep the page's sticky movement native. Whole-container perspective and
   counter-translation made small scroll steps visibly wobble. */
.chapter-stage > .chapter > :is(.gs-container, .ju-container) {
  opacity: 1;
  transform: none;
}
#hero.chapter {
  margin-bottom: var(--chapter-gap);
}
#testimonial-event-shop {
  min-height: 100svh;
}
#modeling .ju-persp {
  perspective: 1200px;
}
#modeling .ju-card {
  transform-origin: center;
  will-change: transform;
}
#modeling .ju-media {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
}
@media (orientation: portrait) {
  #modeling .ju-persp {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.75rem, 1.8svh, 1.25rem);
  }
  #modeling .ju-header {
    margin-bottom: 0.25rem;
    text-align: center;
  }
  #modeling .ju-card {
    width: min(
      100%,
      280px,
      calc(
        (
            100svh - var(--header-height) - var(--persistent-bottom) - 2 *
              var(--section-space) - 1.16 * var(--heading) - 1.4 *
              var(--title) - 116px
          ) /
          2.05
      )
    );
    aspect-ratio: 1 / 2.05;
    margin-inline: auto;
  }
  #modeling .device-shell::before {
    left: calc(50% - 2px);
    top: 6px;
  }
}
@media (orientation: landscape) {
  #modeling > .gs-container {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr);
    column-gap: var(--gap);
    align-items: center;
  }
  #modeling .ju-csa,
  #modeling .ju-persp {
    display: contents;
  }
  #modeling .ju-header {
    margin-bottom: 0;
    text-align: center;
  }
  #modeling .ju-header {
    grid-column: 1;
    grid-row: 1;
    align-self: end;
  }
  #modeling .ju-title-big {
    font-size: min(var(--heading), 3.2vw);
    white-space: nowrap;
  }
  #modeling .ju-card {
    grid-column: 2;
    grid-row: 1 / 3;
    width: min(
      100%,
      calc(
        (
            100svh - var(--header-height) - var(--persistent-bottom) - 2 *
              var(--section-space)
          ) *
          2.05
      )
    );
    aspect-ratio: 2.05;
    justify-self: center;
  }
  #modeling .btn-container {
    grid-column: 1;
    grid-row: 2;
    align-self: start;
  }
  #modeling .device-shell::before {
    left: 8px;
    top: calc(50% - 2px);
  }
}
@media (min-aspect-ratio: 3/2) {
  .gs-grid-4,
  .specs .gs-grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .gs-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .ju-policy__wrap,
  .apology-grid,
  .ju-design__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  #modeling .ju-title-small {
    font-size: var(--title);
  }
  #modeling .ju-header h2 {
    white-space: normal;
  }
  #modeling .ju-title-big {
    white-space: nowrap;
  }
}

@media (orientation: landscape) and (min-aspect-ratio: 3/2) and (max-aspect-ratio: 13/4) and (min-height: 561px) {
  #modeling > .gs-container {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  #modeling .ju-csa {
    display: block;
    width: 100%;
  }
  #modeling .ju-persp {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    gap: clamp(0.75rem, 1.8svh, 1.25rem);
  }
  #modeling .ju-header {
    align-self: stretch;
    width: 100%;
    margin-bottom: 0;
    text-align: center;
  }
  #modeling .ju-card {
    width: min(100%, calc(48svh * 2.05), 980px);
    aspect-ratio: 2.05;
    margin-inline: auto;
  }
  #modeling .btn-container {
    align-self: center;
    margin-top: clamp(0.75rem, 1.8svh, 1.25rem);
  }
  #modeling .device-shell::before {
    left: 8px;
    top: calc(50% - 2px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .chapter-stage > .chapter {
    position: relative;
    top: auto;
  }
}
@media (min-aspect-ratio: 13/4) and (max-height: 560px) {
  #works .gs-work-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 0.75rem;
  }
  #works .gs-work-image-wrapper {
    width: min(
      100%,
      calc(
        100svh - var(--header-height) - var(--persistent-bottom) - 2 *
          var(--section-space) - 1.16 * var(--heading) - var(--heading-gap)
      )
    );
    margin: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  #site-notice .marquee {
    animation: none;
  }
}

html,
body {
  scroll-snap-type: none;
}
.chapter {
  scroll-snap-align: none;
}

/* Keep the HERO composited while video and Three.js scrub together. */
.hero-video,
.face3d-layer,
#hero .hero-title {
  transform: translateZ(0);
  will-change: transform;
  backface-visibility: hidden;
}

/* Solid rounded handset: sixteen depth slices close the curved side wall.
   Keep opacity at one and overflow visible to preserve the 3D descendants. */
.device-shell {
  transform-style: preserve-3d;
  overflow: visible;
}
.device-shell > :is(.ju-media, .simu-frame) {
  transform: translateZ(1px);
  backface-visibility: hidden;
}
.device-shell::before {
  transform: translateZ(2px);
  backface-visibility: hidden;
}
.device-depth,
.device-back {
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  pointer-events: none;
  border: 1px solid #777a80;
  background: linear-gradient(
    110deg,
    #26272b,
    #8b8d93 12%,
    #292b30 35%,
    #606269 85%,
    #1d1e21
  );
  transform: translateZ(var(--device-z));
}
.device-back {
  transform: translateZ(var(--device-z)) rotateY(180deg);
  backface-visibility: hidden;
  background: linear-gradient(135deg, #383a40, #151619 65%, #292b30);
}
.device-back::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 16px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    #26394a 10%,
    #080b10 35%,
    #30343b 40%,
    #090a0d 62%
  );
  box-shadow:
    0 29px 0 #090a0d,
    0 0 0 3px #4b4d54;
}
.device-back::after {
  content: "";
  position: absolute;
  top: 25px;
  left: 49px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #c3c3b6;
}

.unroll-anchor {
  position: relative;
}
.unroll-source {
  opacity: 0;
}
.unroll-canvas {
  position: absolute;
  pointer-events: none;
  z-index: 1;
}
.unroll-canvas[hidden] {
  display: none;
}

/* Persistent footer safe area.
   Once the footer is latched, reserve its real measured height only in the
   visual composition. Scene timeline lengths stay unchanged. */
html.footer-visible {
  --persistent-bottom: var(--footer-height, 0px);
  --visual-safe-height: max(
    1px,
    calc(var(--scene-height, 100dvh) - var(--footer-height, 0px))
  );
}

/* The compositor normally fixes chapters to the full viewport. After the
   one-way footer latch, stop the visual scene above the footer/notice instead
   of letting content continue underneath it. */
html.spiral-scenes.footer-visible .scene-slot > .chapter:not(#hero) {
  min-height: var(--visual-safe-height);
  height: auto;
  padding-bottom: var(--section-space);
}

/* 3D WebGL galleries must retain full viewport coverage so that their
   spherical and cylindrical geometry is never clipped at the bottom. */
html.spiral-scenes.footer-visible
  .scene-slot
  > :is(#usage-title, #event-shop-title).cylinder-target,
html.spiral-scenes.footer-visible
  .scene-slot
  > :is(#order, #gallery).gallery-enhanced {
  min-height: var(--scene-height);
  height: var(--scene-height);
  padding-bottom: 0;
}

/* ID rules with their own viewport heights need the same safe frame. */
html.spiral-scenes.footer-visible #simulator.chapter,
html.spiral-scenes.footer-visible #hero-2-slide.chapter {
  min-height: var(--visual-safe-height);
  height: var(--visual-safe-height);
}

/* Keep long reading chapters on the page timeline. Their content may exceed
   one visual frame by design, but it must never be hidden underneath footer. */
html.spiral-scenes.footer-visible #works > .gs-container,
html.spiral-scenes.footer-visible #specs .gs-container,
html.spiral-scenes.footer-visible #policy .ju-acc,
html.spiral-scenes.footer-visible #originalballmaking-accordion .ju-acc,
html.spiral-scenes.footer-visible #faq-accordion .ju-acc {
  max-height: none;
  overflow: visible;
  overscroll-behavior: auto;
}

/* Device/video sizes already reference --persistent-bottom. Explicit caps
   prevent their shells from exceeding the reduced visual frame on short UI
   viewports without altering the public layout before the footer is reached. */
html.spiral-scenes.footer-visible #simulator .simu-frame iframe {
  height: min(
    720px,
    max(
      120px,
      calc(
        100svh - var(--header-height) - var(--persistent-bottom) - 100px - 2 *
          var(--device-padding)
      )
    )
  );
}

@media (orientation: portrait) {
  html.spiral-scenes.footer-visible #modeling .ju-card {
    width: min(
      100%,
      280px,
      max(
        120px,
        calc(
          (
              100svh - var(--header-height) - var(--persistent-bottom) - 2 *
                var(--section-space) - 1.16 * var(--heading) - 1.4 *
                var(--title) - 116px
            ) /
            2.05
        )
      )
    );
  }
}

@media (orientation: landscape) and (max-height: 560px) {
  html.spiral-scenes.footer-visible #modeling .ju-card {
    width: min(
      100%,
      max(
        220px,
        calc(
          (
              100svh - var(--header-height) - var(--persistent-bottom) - 2 *
                var(--section-space)
            ) *
            2.05
        )
      )
    );
  }
}

/* Final footer-latched fit guards for wide/short viewports. These apply only
   after the one-way footer is visible, so the public pre-latch composition is
   unchanged. */
@media (orientation: landscape) and (min-aspect-ratio: 3/2) and (max-aspect-ratio: 13/4) and (min-height: 561px) {
  html.spiral-scenes.footer-visible #modeling .ju-card {
    width: min(
      100%,
      max(
        220px,
        calc(
          (
              100svh - var(--header-height) - var(--persistent-bottom) - 2 *
                var(--section-space) - 140px
            ) *
            2.05
        )
      ),
      980px
    );
  }
}
@media (min-width: 900px) {
  html.spiral-scenes.footer-visible #specs > .gs-container {
    transform: scale(0.97);
    transform-origin: center center;
  }
}

/* Works: only the established phone-width horizontal presentation moves copy
   to the image's right. Desktop and normal tablet layouts stay untouched. */
@media (hover: none) and (pointer: coarse) and (orientation: landscape) and (max-height: 560px) {
  #works .gs-work-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 0.75rem;
  }
  #works .gs-work-image-wrapper {
    width: 100%;
    margin: 0;
  }
  #works .gs-work-content {
    align-self: center;
  }
}

/* Current-layout refinements (Oct 2026): keep established desktop/tablet
   compositions, refine mobile portrait Design & Policy sections so they remain
   fully visible, vertically centered, and never overlap the persistent footer. */
@media (orientation: portrait) and (max-width: 760px) {
  #policy .ju-policy__wrap > aside {
    width: min(100%, 440px);
    max-width: 440px;
    justify-self: center;
    margin-inline: auto;
  }
  #policy .ju-policy__wrap > aside figure,
  #policy .ju-policy__wrap > aside picture {
    width: 100%;
  }
  #policy .ju-policy__img {
    display: block;
    margin-inline: auto;
  }
}

@media (orientation: portrait) and (max-width: 600px) {
  /* Unified mobile portrait typography: fine body text standardized across all sections */
  :root {
    --heading: clamp(
      1.35rem,
      5.8vw,
      1.55rem
    ); /* Unified major heading (~22.6px on 390px viewport) */
    --title: 0.9375rem; /* Unified sub-heading (15px) */
    --body: 0.6875rem; /* Fine body text (11px) */
    --caption: 0.625rem; /* Captions (10px) */
    --heading-gap: clamp(0.75rem, 2svh, 1.15rem);
  }
  body {
    font-size: var(--body);
    line-height: 1.5;
  }
  .gs-card-text,
  .gs-work-text,
  .gs-info-text,
  .ju-design__text,
  .ju-acc__text,
  #contact-apology p {
    font-size: var(--body);
    line-height: 1.5;
  }

  /* Unified major heading across all sections (excluding small eyebrow text) */
  h2:not(.eyebrow),
  .gs-heading,
  .gs-overline:not(.eyebrow),
  .order-gallery__title,
  #ju-policy-title,
  #originalballmaking-title {
    font-size: var(--heading) !important;
    line-height: 1.22;
  }
  .eyebrow,
  .ju-title-small {
    font-size: var(--caption) !important;
    line-height: 1.5;
    letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
    color: var(--secondary);
    font-weight: 500;
  }

  /* Unified sub-heading across all sections */
  h3,
  h4,
  .gs-work-title,
  .ju-design__eyebrow,
  .gs-card-title,
  .gs-feature-title,
  #ju-contact-embedded > h2 {
    font-size: var(--title) !important;
    line-height: 1.35;
  }

  /* #works section image scaling: 
     Pre-footer width 122px. When footer is visible, strictly guarantee 90% scale (110px). */
  html:not(.footer-visible) #works .gs-work-image-wrapper {
    width: 122px !important;
  }
  html.footer-visible #works .gs-work-image-wrapper {
    width: 110px !important; /* Exactly 90% scaling */
  }

  /* #design section layout */
  #design.chapter {
    padding-top: calc(var(--header-height) + 0.5rem);
    padding-bottom: 1rem;
    box-sizing: border-box;
  }
  #design .ju-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  #design .ju-design__row {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(0.5rem, 1.5svh, 0.85rem);
    width: 100%;
  }
  #design .ju-design__stack {
    display: flex;
    flex-direction: column;
    gap: clamp(0.3rem, 1svh, 0.6rem);
    width: 100%;
    text-align: left;
  }
  #design .ju-design__eyebrow {
    margin-bottom: clamp(0.12rem, 0.4svh, 0.25rem);
  }
  #design .ju-design__text {
    font-size: var(--body);
    line-height: 1.5;
  }
  #design .ju-design__image {
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 0;
  }
  html:not(.footer-visible) #design .ju-design__image img {
    height: auto;
    max-height: clamp(230px, 34svh, 290px) !important;
    max-width: min(100%, 380px);
    object-fit: contain;
    display: block;
    margin-inline: auto;
  }
  #design .ju-design__image img {
    height: auto;
    max-width: min(100%, 380px);
    object-fit: contain;
    display: block;
    margin-inline: auto;
  }

  /* #policy section layout */
  #policy.chapter {
    padding-top: calc(var(--header-height) + 0.5rem);
    padding-bottom: 1rem;
    box-sizing: border-box;
  }
  #policy .ju-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  #ju-policy-title {
    margin-bottom: clamp(0.3rem, 1svh, 0.6rem);
    text-align: center;
  }
  #policy .ju-policy__wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.45rem, 1.4svh, 0.85rem);
    width: 100%;
  }
  #policy .ju-policy__wrap > aside {
    width: 100%;
    display: flex;
    justify-content: center;
    margin: 0;
  }
  #policy .ju-policy__wrap > aside figure,
  #policy .ju-policy__wrap > aside picture {
    display: flex;
    justify-content: center;
    width: auto;
  }
  html:not(.footer-visible) #policy .ju-policy__img {
    height: clamp(170px, 25svh, 215px) !important;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    display: block;
    margin-inline: auto;
  }
  #policy .ju-policy__img {
    width: auto;
    max-width: 100%;
    object-fit: contain;
    display: block;
    margin-inline: auto;
  }
  #policy .ju-acc {
    width: 100%;
    max-width: 440px;
    max-height: clamp(190px, 30svh, 250px);
    overflow-y: auto;
  }
  #policy summary {
    min-height: 28px;
    padding: 0.12rem 0;
    font-size: 0.8125rem;
  }

  /* When persistent footer is latched: symmetrically trim top/bottom padding,
     tighten line gaps, and restrict image reduction to 90% (barely noticeable change) */
  html.footer-visible #design.chapter,
  html.footer-visible #policy.chapter {
    min-height: var(--visual-safe-height);
    height: var(--visual-safe-height);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: calc(var(--header-height) + 0.25rem);
    padding-bottom: calc(var(--persistent-bottom) + 0.25rem);
    box-sizing: border-box;
  }
  html.footer-visible #design .ju-design__row {
    gap: clamp(0.3rem, 0.8svh, 0.55rem);
  }
  html.footer-visible #design .ju-design__stack {
    gap: clamp(0.18rem, 0.5svh, 0.38rem);
  }
  html.footer-visible #design .ju-design__image img {
    max-height: clamp(
      207px,
      30.6svh,
      261px
    ) !important; /* Exactly 90% of 230px-290px */
  }
  html.footer-visible #policy .ju-policy__wrap {
    gap: clamp(0.25rem, 0.7svh, 0.45rem);
  }
  html.footer-visible #policy .ju-policy__img {
    height: clamp(
      153px,
      22.5svh,
      193.5px
    ) !important; /* Exactly 90% of 170px-215px */
  }
  html.footer-visible #policy .ju-acc {
    max-height: clamp(150px, 24svh, 210px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }
}