:root {
  --sat: env(safe-area-inset-top, 0px);
  --sar: env(safe-area-inset-right, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
}

.led-body {
  background: radial-gradient(circle at top, #fff 0, #f6f7fb 42%);
  overflow-x: clip;
}

.led-body .tool-shell {
  overflow-x: clip;
}

.led-hero .hero-inner {
  padding: 22px 16px 18px;
}

.led-hero h1 {
  font-size: clamp(1.7rem, 6vw, 2.6rem);
}

.led-hero .hero-copy {
  max-width: 40rem;
}

.led-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 16px 8px;
  min-width: 0;
}

.led-app {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  min-width: 0;
}

.led-note,
.led-stage,
.led-controls,
.share-banner {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow);
}

.led-note,
.share-banner {
  margin: 0;
  padding: 12px 14px;
  line-height: 1.7;
}

.share-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.led-stage {
  position: relative;
  height: min(30svh, 240px);
  background: #1a1a1a;
  overflow: hidden;
}

.led-board {
  position: relative;
  height: 100%;
  background: #1a1a1a;
  color: #fff;
}

.led-viewport {
  position: absolute;
  inset: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.led-viewport.is-scroll {
  justify-content: flex-start;
}

.led-viewport.is-scroll.is-vertical {
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

.led-track {
  display: flex;
  align-items: center;
  width: max-content;
  height: 100%;
}

.led-track.is-vertical {
  flex-direction: column;
  width: 100%;
  height: max-content;
}

.led-track.is-moving {
  will-change: transform;
}

.led-copy {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  line-height: 1;
  white-space: nowrap;
  box-sizing: border-box;
}

.led-track.is-vertical .led-copy {
  width: 100%;
  justify-content: center;
}

.led-plain {
  font-family: var(--led-font), "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-weight: var(--led-weight, 400);
  color: var(--led-ink, #fff);
}

.led-emoji {
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", emoji, sans-serif;
  font-weight: 400;
  font-style: normal;
  line-height: 1;
}

.led-lock-tip {
  position: absolute;
  z-index: 3;
  top: calc(10px + var(--led-pad-t, env(safe-area-inset-top)));
  left: calc(16px + var(--led-pad-l, env(safe-area-inset-left)));
  right: calc(16px + var(--led-pad-r, env(safe-area-inset-right)));
  margin: 0;
  color: #fde68a;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
}

.led-ios-hint {
  position: absolute;
  z-index: 4;
  top: calc(10px + var(--led-pad-t, env(safe-area-inset-top)));
  left: calc(12px + var(--led-pad-l, env(safe-area-inset-left)));
  right: calc(12px + var(--led-pad-r, env(safe-area-inset-right)));
  max-height: calc(100% - 84px - var(--led-pad-t, 0px) - var(--led-pad-b, 0px));
  overflow: auto;
  margin: 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.86);
  color: #fff;
  font: 700 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.led-ios-hint p,
.led-ios-hint ol {
  margin: 0 0 8px;
}

.led-ios-hint ol {
  padding-left: 1.2em;
}

.led-ios-hint button {
  min-height: 44px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: #fff;
  color: #1a1a1a;
  font: 800 14px/1.2 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.led-display-controls {
  position: absolute;
  z-index: 5;
  left: calc(12px + var(--led-pad-l, env(safe-area-inset-left)));
  right: calc(12px + var(--led-pad-r, env(safe-area-inset-right)));
  bottom: calc(10px + var(--led-pad-b, env(safe-area-inset-bottom)));
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.led-display-controls.is-light {
  justify-content: space-between;
}

.led-stage.is-open .led-display-controls button {
  background: rgba(0, 0, 0, 0.78);
}

.led-display-controls button,
.led-install {
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font: 800 14px/1.2 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  cursor: pointer;
}

.led-controls {
  padding: 14px;
  box-shadow: none;
  min-width: 0;
}

.led-controls input,
.led-controls textarea,
.led-controls select {
  scroll-margin-top: 32svh;
  scroll-margin-bottom: 50svh;
}

.led-text {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  font: 700 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.led-slider {
  display: grid;
  gap: 4px;
  margin-top: 12px;
}

.led-slider input[type="range"] {
  width: 100%;
  height: 36px;
  accent-color: var(--primary);
}

.hint,
.contrast-note,
.motion-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.contrast-note,
.motion-note {
  color: #9a3412;
  font-weight: 700;
}

.saved-block {
  margin-top: 12px;
}

.saved-block .chip-row {
  margin-top: 6px;
}

.led-ad-slot {
  height: 100px;
  min-height: 100px;
  margin: 0;
}

.led-article {
  max-width: 1180px;
  margin: 0 auto;
  padding: 8px 16px 12px;
}

.led-article h2 {
  margin: 28px 0 8px;
  font-size: 1.35rem;
}

.led-article h3 {
  margin: 16px 0 6px;
  font-size: 1.05rem;
}

html.led-display-open,
body.led-display-open {
  background: #000;
  overflow: hidden;
}

body.led-display-open {
  position: fixed;
  width: 100%;
  height: 100%;
}

body.led-display-open .site-header,
body.led-display-open .led-hero,
body.led-display-open .led-note,
body.led-display-open .share-banner,
body.led-display-open .led-controls,
body.led-display-open .led-article,
body.led-display-open .related-tools,
body.led-display-open .site-footer {
  visibility: hidden;
}

body.led-display-open .led-ad-slot {
  display: none !important;
}

.led-body .toast {
  z-index: 90;
}

.led-stage.is-open:not(.is-api) {
  position: fixed;
  z-index: 80;
  top: 0;
  right: auto;
  bottom: auto;
  left: 0;
  width: 100%;
  height: 100svh;
  margin: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: #000;
}

.led-stage.is-open .led-viewport {
  top: var(--led-pad-t, env(safe-area-inset-top));
  right: var(--led-pad-r, env(safe-area-inset-right));
  bottom: var(--led-pad-b, env(safe-area-inset-bottom));
  left: var(--led-pad-l, env(safe-area-inset-left));
}

.led-stage.is-api,
.led-stage.is-api:fullscreen {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  background: #1a1a1a;
}

.led-stage.is-open .led-board,
.led-stage:fullscreen .led-board {
  height: 100%;
}

.led-stage.is-open .led-board.is-rotated,
.led-stage:fullscreen .led-board.is-rotated {
  width: var(--led-vv-h, 100svh);
  height: var(--led-vv-w, 100dvw);
}

/* Portrait phones: rotate the board so a vertical hold reads as landscape. */
.led-board.is-rotated {
  position: absolute;
  top: 0;
  left: 100%;
  width: var(--led-vv-h, 100svh);
  height: var(--led-vv-w, 100dvw);
  transform: rotate(90deg);
  transform-origin: top left;
}

a.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

@media (max-width: 959px) {
  .led-stage {
    position: sticky;
    top: env(safe-area-inset-top, 0px);
    z-index: 30;
  }

  .led-stage.is-pinned {
    height: min(25svh, 200px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  }

  .led-stage.is-editing {
    position: relative;
    top: auto;
    height: min(18svh, 120px);
    box-shadow: none;
  }
}

@media (min-width: 960px) {
  .led-app {
    grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
    align-items: start;
  }

  .led-stage,
  .led-stage.is-pinned,
  .led-stage.is-editing {
    position: sticky;
    top: 12px;
    height: 280px;
    z-index: 2;
  }

  .led-stage.is-open,
  .led-stage.is-open.is-pinned,
  .led-stage.is-open.is-editing {
    position: fixed;
    top: 0;
    z-index: 80;
    height: 100svh;
  }
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid #4f46e5;
  outline-offset: 2px;
}