/* Hallmark · macrostructure: Product Stage · F5 knobs: frame=screenshot-only, anchor=three-screen
 * theme: studied-DNA (source: https://dena.com/jp/ + user screenshots) · vibe: "white gallery, oversized product world"
 * nav: N9 Edge-aligned minimal · footer: Ft5 Statement · enrichment: real app screenshots · v1.2.0
 * pre-emit critique: P5 H5 E4 S5 R4 V5 · contrast: pass (40–41) · slop: pass (42–45)
 * honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57)
 */

*,
*::before,
*::after {
  box-sizing: border-box;
}
html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + var(--space-xl));
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  min-width: 20rem;
  margin: 0;
  color: var(--color-ink);
  background: var(--color-paper);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  touch-action: manipulation;
}

button {
  color: inherit;
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

button:disabled,
a[aria-disabled="true"] {
  cursor: not-allowed;
  pointer-events: none;
  opacity: 0.55;
}

::selection {
  color: var(--color-accent-ink);
  background: var(--color-accent);
}

.shell {
  width: min(100%, var(--page-max));
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-tooltip);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-pill);
  color: var(--color-paper-on-ink);
  background: var(--color-ink);
  transform: translateY(-180%);
  transition: transform var(--dur-short) var(--ease-out);
  white-space: nowrap;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-sticky);
  min-height: var(--nav-height-stage);
  border-bottom: var(--rule-hair) solid color-mix(in oklch, white 12%, transparent);
  background: var(--color-ink);
}

.nav-pill {
  display: flex;
  width: 100%;
  min-height: var(--nav-height-stage);
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-sm) var(--page-gutter);
}

.wordmark {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
  white-space: nowrap;
}

.wordmark > span {
  color: var(--color-paper-on-ink);
}

.wordmark--logo img {
  width: 3.5rem;
  height: 3.5rem;
}

.nav-pill__links {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

.nav-pill__links a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding-inline: var(--space-xs);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  color: var(--color-paper-on-ink);
}

.nav-pill__action,
.stage-panel__action {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  border: var(--rule-bold) solid var(--color-ink);
  border-radius: var(--radius-pill);
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  transition: transform var(--dur-micro) var(--ease-out);
}

.nav-pill__action {
  padding-inline: var(--space-md);
  background: var(--color-paper);
  color: var(--color-ink);
  font-size: var(--text-sm);
}

.nav-pill__action:active,
.stage-panel__action:active,
.shelf-more:active,
.studio-note a:active {
  transform: translateY(2px);
}

.nav-pill__action[aria-busy="true"],
.stage-panel__action[aria-busy="true"] {
  cursor: wait;
  opacity: 0.72;
}

.nav-pill__action[data-state="error"],
.stage-panel__action[data-state="error"] {
  border-color: var(--color-accent-deep);
}

.nav-pill__action[data-state="success"],
.stage-panel__action[data-state="success"] {
  border-color: var(--color-mint-deep);
}

.showcase {
  padding-block: var(--space-2xl) var(--space-3xl);
}

.showcase__intro {
  margin-block-end: var(--space-xl);
}

.showcase__label {
  margin: 0 0 var(--space-xs);
  color: var(--color-accent-deep);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.03em;
}

.showcase h1,
.showcase h2,
.news-section h2,
.shelf-heading h2,
.studio-note h2,
.site-footer__statement {
  min-width: 0;
  margin: 0;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 1.06;
  overflow-wrap: anywhere;
}

.showcase h1 {
  font-size: var(--text-display);
}

.showcase h1 span {
  white-space: nowrap;
}

.showcase__intro > p:last-child {
  max-width: 56ch;
  margin: var(--space-md) 0 0;
  color: var(--color-ink-soft);
  font-size: var(--text-md);
}

.app-switcher {
  display: grid;
  min-width: 0;
  gap: var(--space-md);
}

.app-tabs {
  display: flex;
  max-width: 100%;
  gap: var(--space-xs);
  padding: var(--space-2xs);
  overflow-x: auto;
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-large);
  background: var(--color-paper-2);
  scrollbar-width: thin;
  scrollbar-color: var(--color-rule-strong) transparent;
}

.app-tab {
  display: inline-flex;
  min-width: max-content;
  min-height: 3.5rem;
  flex: 1 0 auto;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border: var(--rule-bold) solid transparent;
  border-radius: var(--radius-card);
  background: transparent;
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform var(--dur-micro) var(--ease-out);
  white-space: nowrap;
}

.app-tab img {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 24%;
}

.app-tab.is-selected {
  border-color: var(--color-ink);
  background: var(--color-paper);
  box-shadow: 0 4px 0 var(--color-ink);
}

.app-tab:active {
  transform: translateY(2px);
}

.app-tab[aria-busy="true"] {
  cursor: wait;
  opacity: 0.72;
}

.app-tab[data-state="error"] {
  border-color: var(--color-accent-deep);
}

.app-tab[data-state="success"] {
  border-color: var(--color-mint-deep);
}

.app-stage {
  min-width: 0;
}

.stage-panel {
  --panel-accent: var(--color-accent-deep);
  display: grid;
  min-width: 0;
  min-height: 42rem;
  grid-template-columns: minmax(0, 1fr);
  overflow: clip;
  border: var(--rule-bold) solid var(--color-ink);
  border-radius: var(--radius-large);
  background: var(--color-pink-tint);
  box-shadow: 0 18px 0 -10px var(--panel-accent);
}

.stage-panel[hidden] {
  display: none;
}

.stage-panel.is-entering {
  animation: panel-enter var(--dur-long) var(--ease-out) both;
}

.stage-panel--weight {
  --panel-accent: var(--color-blue-deep);
  background: var(--color-blue-tint);
}

.stage-panel--memory {
  --panel-accent: var(--color-blue);
  background: var(--color-sky-tint);
}

.stage-panel--night {
  --panel-accent: var(--color-purple-deep);
  background: var(--color-purple-tint);
}

.stage-panel--travel {
  --panel-accent: var(--color-mint-deep);
  background: var(--color-mint-tint);
}

.stage-panel__copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: flex-start;
  gap: var(--space-xl);
  padding: var(--space-xl);
}

.stage-panel__identity {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.stage-panel__identity img {
  width: 4rem;
  height: 4rem;
  border-radius: 24%;
  box-shadow: 0 8px 18px -12px color-mix(in oklch, var(--color-shadow) 45%, transparent);
}

.stage-panel__identity span {
  padding: var(--space-xs) var(--space-sm);
  border: var(--rule-hair) solid var(--color-ink);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
}

.stage-panel h2 {
  font-size: clamp(var(--text-3xl), 7vw, var(--text-display));
}

.stage-panel__copy p {
  max-width: 50ch;
  margin: var(--space-md) 0 0;
  color: var(--color-ink-soft);
  font-size: var(--text-md);
}

.stage-panel__action {
  width: fit-content;
  margin-block-start: auto;
  padding-inline: var(--space-lg);
  background: color-mix(in oklch, var(--color-paper) 76%, transparent);
}

.stage-panel__visual {
  position: relative;
  display: grid;
  min-width: 0;
  margin: 0;
  place-items: end center;
  padding: var(--space-lg) var(--space-lg) 0;
  overflow: clip;
}

.stage-panel__visual img {
  width: auto;
  max-width: 100%;
  height: min(58rem, 72vh);
  min-height: 30rem;
  border: var(--rule-hair) solid color-mix(in oklch, var(--color-rule-strong) 60%, transparent);
  border-radius: var(--radius-large) var(--radius-large) 0 0;
  object-fit: cover;
  object-position: top;
  box-shadow: 0 26px 50px -26px color-mix(in oklch, var(--color-shadow) 42%, transparent);
}

.stage-panel__visual figcaption {
  position: absolute;
  inset-block-end: var(--space-md);
  inset-inline-end: var(--space-md);
  max-width: 18rem;
  padding: var(--space-xs) var(--space-sm);
  border: var(--rule-hair) solid var(--color-ink);
  border-radius: var(--radius-pill);
  background: color-mix(in oklch, var(--color-paper) 88%, transparent);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.4;
}

@keyframes panel-enter {
  from {
    opacity: 0;
    transform: translateY(var(--space-sm));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.news-section {
  padding-block: var(--space-3xl);
  background: var(--color-blue-tint);
}

.news-section__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
}

.news-section header > p {
  margin: 0 0 var(--space-xs);
  color: var(--color-blue-deep);
  font-family: var(--font-display);
  font-weight: 800;
}

.news-section h2 {
  font-size: clamp(var(--text-2xl), 5vw, var(--text-4xl));
}

.news-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-list li {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, auto) minmax(0, 1fr);
  gap: var(--space-md);
  align-items: center;
  padding-block: var(--space-lg);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
}

.news-list li:last-child {
  border-block-end: var(--rule-hair) solid var(--color-rule-strong);
}

.news-list time,
.news-list li > span {
  font-size: var(--text-xs);
  font-weight: 700;
  white-space: nowrap;
}

.news-tag {
  justify-self: start;
  padding: var(--space-2xs) var(--space-xs);
  border-radius: var(--radius-pill);
  color: var(--color-accent-ink);
  line-height: 1.4;
}

.news-tag--web {
  color: var(--color-blue-deep);
  background: var(--color-blue-tint);
}

.news-tag--release {
  color: var(--color-accent-deep);
  background: var(--color-pink-tint);
}

.news-list p {
  margin: 0;
  font-weight: 700;
}

.app-shelf {
  padding-block: var(--section-gap);
}

.shelf-heading {
  display: flex;
  margin-block-end: var(--space-xl);
  align-items: end;
  justify-content: space-between;
  gap: var(--space-lg);
}

.shelf-heading h2 {
  font-size: clamp(var(--text-2xl), 5vw, var(--text-4xl));
}

.shelf-heading p {
  max-width: 46ch;
  margin: 0 0 var(--space-xs);
  color: var(--color-ink-soft);
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: var(--space-md);
}

.app-card {
  display: grid;
  min-width: 0;
  overflow: clip;
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-card);
  background: var(--color-paper-2);
  transition: transform var(--dur-short) var(--ease-out);
}

.app-card:nth-child(2) {
  background: var(--color-blue-tint);
}

.app-card:nth-child(3) {
  background: var(--color-pink-tint);
}

.app-card:nth-child(4) {
  background: var(--color-purple-tint);
}

.app-card:nth-child(5) {
  background: var(--color-mint-tint);
}

.app-card > a {
  display: grid;
  min-width: 0;
  min-height: 11rem;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
}

.app-card > a > img {
  width: 4.5rem;
  aspect-ratio: 1;
  border-radius: 24%;
}

.app-card > a > span {
  display: grid;
  min-width: 0;
  gap: var(--space-2xs);
}

.app-card strong {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.app-card small {
  color: var(--color-ink-soft);
  font-size: var(--text-xs);
}

.app-card > div {
  display: flex;
  min-height: 3.25rem;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-2xs) var(--space-sm);
  border-block-start: var(--rule-hair) solid var(--color-rule-strong);
  font-size: var(--text-xs);
}

.app-card > div > span {
  margin-inline-end: auto;
  color: var(--color-muted);
}

.app-card > div a {
  display: inline-grid;
  min-width: 2.75rem;
  min-height: 2.75rem;
  place-items: center;
  border-radius: var(--radius-pill);
  background: color-mix(in oklch, var(--color-paper) 76%, transparent);
}

.app-card > div a:active {
  transform: translateY(1px);
}

.shelf-more,
.studio-note a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-xs);
  border-block-end: var(--rule-bold) solid currentColor;
  font-weight: 800;
  line-height: 1;
  transition: transform var(--dur-micro) var(--ease-out);
  white-space: nowrap;
}

.shelf-more {
  margin-block-start: var(--space-xl);
}

.studio-note {
  padding-block: var(--space-2xl);
  background: var(--color-pink-tint);
}

.studio-note__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
}

.studio-note h2 {
  max-width: 18ch;
  font-size: clamp(var(--text-2xl), 5vw, var(--text-4xl));
}

.studio-note__inner > div {
  display: flex;
  max-width: 58ch;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-lg);
}

.studio-note p {
  margin: 0;
  color: var(--color-ink-soft);
}

.site-footer {
  padding-block: var(--space-xl) max(var(--space-xl), env(safe-area-inset-bottom));
  color: var(--color-paper-on-ink);
  background: var(--color-ink);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-xl);
}

.wordmark--footer {
  width: fit-content;
  font-size: var(--text-2xl);
}

.wordmark--footer > span:last-child {
  color: var(--color-accent);
}

.site-footer__primary {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.site-footer__primary a,
.site-footer__utility > a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.site-footer__bottom {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-xl);
}

.site-footer__sns {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-footer__social {
  display: inline-grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border: var(--rule-hair) solid color-mix(in oklch, var(--color-paper-on-ink) 34%, transparent);
  border-radius: 50%;
  color: var(--color-paper-on-ink);
}

.site-footer__social--note {
  font-size: var(--text-xs);
  letter-spacing: -0.04em;
  text-transform: none;
}

.site-footer__utility {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.site-footer__utility > p {
  margin: 0;
  color: var(--color-paper-on-ink);
  font-size: var(--text-xs);
  opacity: 0.72;
}

@media (hover: hover) and (pointer: fine) {
  .nav-pill__links a:hover,
  .site-footer__primary a:hover,
  .site-footer__utility > a:hover {
    color: var(--color-accent-deep);
  }

  .site-footer__social:hover {
    color: var(--color-ink);
    background: var(--color-paper-on-ink);
  }

  .nav-pill__action:hover,
  .stage-panel__action:hover {
    transform: translateY(-2px);
  }

  .app-tab:hover {
    background: var(--color-paper-3);
  }

  .app-card:hover,
  .app-card:focus-within {
    transform: translateY(-4px);
  }

  .app-card > div a:hover {
    background: var(--color-paper);
  }

  .shelf-more:hover,
  .studio-note a:hover {
    color: var(--color-accent-deep);
  }
}

@media (min-width: 40rem) {
  .nav-pill__links {
    display: flex;
  }

  .news-section__inner {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .studio-note__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: end;
  }

}

@media (min-width: 60rem) {
  .showcase {
    padding-block-start: var(--space-3xl);
  }

  .stage-panel {
    min-height: 45rem;
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  }

  .stage-panel__copy {
    padding: var(--space-2xl);
  }

  .stage-panel__visual {
    padding: var(--space-xl) var(--space-xl) 0;
  }

  .stage-panel__visual img {
    height: min(50rem, 75vh);
  }
}

@media (max-width: 39.99rem) {
  .nav-pill {
    gap: var(--space-sm);
    min-height: var(--nav-height-stage-mobile);
  }

  .wordmark {
    font-size: var(--text-md);
  }

  .nav-pill__action {
    padding-inline: var(--space-sm);
  }

  .showcase {
    padding-block-start: var(--space-2xl);
  }

  .showcase h1 {
    font-size: clamp(var(--text-2xl), 13vw, var(--text-3xl));
  }

  .showcase h1 span {
    display: block;
  }

  .app-switcher {
    padding-inline: 0;
  }

  .app-tabs {
    margin-inline: var(--page-gutter);
    border-radius: var(--radius-card);
  }

  .stage-panel {
    min-height: auto;
    border-inline: 0;
    border-radius: 0;
    box-shadow: 0 12px 0 -8px var(--panel-accent);
  }

  .stage-panel__copy {
    padding: var(--space-xl) var(--page-gutter);
  }

  .stage-panel__action {
    width: 100%;
  }

  .stage-panel__visual {
    padding-inline: var(--page-gutter);
  }

  .stage-panel__visual img {
    width: min(100%, 18rem);
    height: auto;
    min-height: 0;
    aspect-ratio: 0.54;
  }

  .news-list li {
    grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  }

  .news-list p {
    grid-column: 1 / -1;
  }

  .shelf-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .app-card > a {
    min-height: 9rem;
  }

  .site-footer__bottom {
    grid-column: 1 / -1;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-md);
  }

  .site-footer__utility {
    gap: var(--space-md);
  }

  .site-footer {
    padding-block: var(--space-lg) max(var(--space-lg), env(safe-area-inset-bottom));
  }

  .site-footer__inner {
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-md) var(--space-lg);
  }

  .site-footer__primary {
    justify-self: end;
    gap: var(--space-lg);
  }

  .site-footer__sns {
    gap: var(--space-sm);
  }

  .site-footer__utility > a {
    min-height: 2.5rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }

  .stage-panel.is-entering {
    animation: none;
  }

  .nav-pill__action,
  .stage-panel__action,
  .app-tab,
  .app-card,
  .shelf-more,
  .studio-note a {
    transform: none !important;
  }
}