body:has(.lr) {
  background: radial-gradient(1200px 600px at 70% -10%, #17394a 0%, rgba(23, 57, 74, 0) 60%), linear-gradient(180deg, #0a1018 0%, #0d1a24 100%) fixed;
  color: #e8eef5;
}

body:has(.lr) > header {
  max-width: 980px;
  padding-bottom: 8px;
}

body:has(.lr) > header a {
  color: #9fb3c8;
  font-size: 13px;
}

main:has(.lr) {
  max-width: 980px;
  background: transparent;
  padding-top: 8px;
}

.lr {
  --accent: #2dd4bf;
  --accent-ink: #04201c;
  --red: #ef3b2d;
  --muted: #9fb3c8;
  --panel: rgba(14, 26, 38, .78);
  --line: rgba(120, 190, 200, .22);
  width: 100%;
}

.lr-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-bottom: 14px;
}

.lr-eyebrow {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--muted);
}

.lr-head h1 {
  margin: 0;
  font-size: 38px;
  line-height: 1.05;
  letter-spacing: .1em;
  font-style: italic;
  background: linear-gradient(90deg, #ffffff 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lr-tagline {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  max-width: 34em;
}

.lr[data-screen="race"] .lr-head { margin-bottom: 6px; }
.lr[data-screen="race"] .lr-head h1 { font-size: 22px; }
.lr[data-screen="race"] .lr-eyebrow,
.lr[data-screen="race"] .lr-tagline { display: none; }

.lr button {
  font: inherit;
  color: inherit;
}

.lr [hidden] { display: none !important; }

/* ---------- 共通のボタン ---------- */
.lr-actions button,
.lr-ov-buttons button,
.lr-res-buttons button,
.lr-ghost,
.lr-danger {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .06);
  color: #e8eef5;
  border-radius: 10px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  min-height: 40px;
}

.lr-actions button:hover,
.lr-ov-buttons button:hover,
.lr-res-buttons button:hover,
.lr-ghost:hover { background: rgba(255, 255, 255, .13); }

.lr .lr-primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.lr .lr-primary:hover { background: #5eead4; }

.lr .lr-danger {
  background: #b3261e;
  border-color: #b3261e;
  color: #fff;
}

.lr button:focus-visible { outline: 3px solid #ffe066; outline-offset: 2px; }

/* ---------- コース選択 ---------- */
.lr-select-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 12px;
}

.lr-demo { font-size: 12px; color: var(--muted); cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.lr-demo input { width: 16px; height: 16px; accent-color: var(--accent); }

.lr-level {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.lr-level-label {
  font-size: 12px;
  color: var(--muted);
  margin-right: 4px;
}

.lr-level button {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .05);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  min-height: 36px;
}

.lr-level button[aria-checked="true"] {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.lr-courses {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.lr-course {
  appearance: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  width: 100%;
  text-align: left;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  cursor: pointer;
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
}

.lr-course:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: rgba(20, 40, 56, .9);
}

.lr-thumb {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  border-radius: 8px;
  display: block;
}

.lr-course-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.lr-course-name { font-size: 18px; font-weight: 800; }
.lr-course-stars { color: #ffcf3f; letter-spacing: .1em; font-size: 14px; }
.lr-course-desc { font-size: 13px; color: #cbd8e6; }
.lr-course-tags { font-size: 12px; color: var(--accent); }

.lr-course-rec {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px dashed var(--line);
  padding-top: 6px;
}

.lr-course-rec strong { color: #fff; font-variant-numeric: tabular-nums; font-size: 14px; }

.lr-course-go {
  justify-self: end;
  font-weight: 800;
  font-size: 13px;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: 999px;
  padding: 4px 14px;
}

.lr-reset {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.lr-reset-confirm { font-size: 13px; color: #ffd3cf; display: inline-flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.lr-note { font-size: 12px; color: #ffcf3f; }

.lr-how {
  margin-top: 22px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  font-size: 13px;
  color: #cbd8e6;
}

.lr-how h2 { margin: 0 0 8px; font-size: 15px; color: #fff; }
.lr-how dl { margin: 0; display: grid; gap: 4px; }
.lr-how dl > div { display: grid; grid-template-columns: 10em 1fr; gap: 10px; }
.lr-how dt { font-weight: 700; color: #fff; font-variant-numeric: tabular-nums; }
.lr-how dd { margin: 0; }
.lr-how ul { margin: 10px 0 0; padding-left: 1.2em; }
.lr-sound { margin: 8px 0 0; color: var(--muted); }

/* ---------- レース ---------- */
.lr-grid { display: grid; gap: 8px; }

.lr-hud {
  display: grid;
  grid-template-columns: 1.5fr .8fr .8fr 1.1fr 1.1fr 1.1fr;
  gap: 6px;
}

.lr-cell {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 4px 8px;
  min-width: 0;
}

.lr-cell span { display: block; font-size: 10px; color: var(--muted); letter-spacing: .08em; }
.lr-cell strong {
  display: block;
  font-size: 15px;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lr-cell-pos strong { color: #ffcf3f; }

.lr-order { display: flex; flex-wrap: wrap; gap: 6px; min-height: 28px; }

.lr-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px 2px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 700;
}

.lr-chip b { color: var(--muted); font-variant-numeric: tabular-nums; }
.lr-chip i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; border: 1px solid rgba(255, 255, 255, .5); }
.lr-chip.is-you { background: rgba(239, 59, 45, .22); border-color: var(--red); }

.lr-stage {
  position: relative;
  width: min(100%, max(320px, calc((100dvh - 330px) * 4 / 3)));
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, .16);
  background: #1b4d24;
  touch-action: none;
}

.lr-stage canvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  user-select: none;
  -webkit-user-select: none;
}

.lr-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: rgba(6, 12, 20, .72);
}

.lr-ov-title {
  margin: 0;
  font-size: clamp(26px, 6vw, 44px);
  font-weight: 800;
  letter-spacing: .2em;
  font-style: italic;
}

.lr-ov-buttons { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }

/* タッチ操作のボタン（PC では出さない） */
.lr-pads { display: none; }

.lr-pad {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.lr-pad button {
  appearance: none;
  pointer-events: none;
  min-height: 68px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .08);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: .04em;
  color: #e8eef5;
}

.lr-pad button.is-on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.lr-pad-pedal button[data-act="brake"] { font-size: 15px; }
.lr-pad-pedal button[data-act="gas"] { font-size: 18px; }
.lr-pad-pedal button[data-act="brake"].is-on { background: var(--red); border-color: var(--red); color: #fff; }

.lr-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.lr-laps { display: inline-flex; flex-wrap: wrap; gap: 6px; margin-left: auto; }

.lr-lapchip {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  padding: 3px 9px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .05);
  border: 1px dashed var(--line);
  color: var(--muted);
}

.lr-lapchip.is-done { border-style: solid; color: #fff; }
.lr-lapchip.is-best { background: rgba(45, 212, 191, .2); border-color: var(--accent); color: #b6fff2; }

.lr-status { margin: 4px 0 0; font-size: 12px; color: var(--muted); min-height: 1.2em; }

/* ---------- 結果 ---------- */
.lr-result-card {
  max-width: 640px;
  margin: 0 auto;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.lr-result-card h2 {
  margin: 0;
  font-size: 34px;
  font-style: italic;
  letter-spacing: .12em;
  color: #ffe066;
}

.lr-res-headline { margin: 4px 0 14px; font-size: 18px; font-weight: 800; }

.lr-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.lr-table th { text-align: left; font-size: 11px; font-weight: 700; color: var(--muted); padding: 4px 6px; border-bottom: 1px solid var(--line); }
.lr-table td { padding: 8px 6px; border-bottom: 1px solid rgba(120, 190, 200, .12); }
.lr-table tr.is-you td { background: rgba(239, 59, 45, .18); font-weight: 800; }
.lr-rank { width: 3em; font-weight: 800; color: #ffcf3f; }
.lr-num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.lr-dot { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 8px; vertical-align: -1px; border: 1px solid rgba(255, 255, 255, .5); }

.lr-res-laps { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.lr-res-records { margin: 12px 0 0; font-size: 13px; color: var(--muted); }
.lr-res-records.is-new { color: #5eead4; font-weight: 800; font-size: 15px; }
.lr-res-buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

/* ---------- 幅・向きの調整 ---------- */
@media (max-width: 760px) {
  .lr-head h1 { font-size: 30px; }
  .lr-courses { gap: 10px; }
  .lr-course { padding: 8px; gap: 4px; }
  .lr-course-name { font-size: 15px; }
  .lr-course-head { flex-direction: column; align-items: flex-start; gap: 0; }
  .lr-level-label { flex-basis: 100%; }
  .lr-course-desc { display: none; }
  .lr-course-rec { grid-template-columns: 1fr; font-size: 11px; }
  .lr-course-rec span { display: block; }
  .lr-course-rec strong { font-size: 13px; }
  .lr-course-go { font-size: 12px; padding: 3px 10px; }
  .lr-how dl > div { grid-template-columns: 1fr; gap: 0; }
  .lr-hud { grid-template-columns: .8fr .8fr 1.1fr 1.1fr 1.1fr; }
  .lr-cell:first-child { display: none; }
  .lr-cell { padding: 3px 5px; }
  .lr-cell strong { font-size: 13px; }
  .lr-cell span { font-size: 9px; letter-spacing: 0; }
  .lr-laps { margin-left: 0; }
  .lr-actions button { padding: 6px 12px; min-height: 36px; }
}

@media (max-width: 900px), (pointer: coarse) {
  .lr-pads {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .lr-stage { width: min(100%, max(300px, calc((100dvh - 420px) * 4 / 3))); }
}

@media (max-width: 380px) {
  .lr-order { gap: 4px; }
  .lr-chip { padding: 1px 6px 1px 4px; font-size: 11px; }
  .lr-pad button { min-height: 62px; }
}

/* 横持ち（高さが低い）: ハンドルとペダルを左右に置き、コースを大きく。一時停止・やり直しも左に */
@media (orientation: landscape) and (max-height: 560px) {
  .lr[data-screen="race"] .lr-head { display: none; }
  .lr-grid {
    grid-template-columns: minmax(96px, 1fr) auto minmax(96px, 1fr);
    grid-template-areas:
      "hud hud hud"
      "actions stage pedal"
      "steer stage pedal"
      "order order order";
    align-items: stretch;
  }
  .lr-hud { grid-area: hud; grid-template-columns: 1.4fr .8fr .8fr 1.1fr 1.1fr 1.1fr; }
  .lr-cell:first-child { display: block; }
  .lr-order { grid-area: order; justify-content: center; }
  .lr-stage { grid-area: stage; width: min(100%, calc((100dvh - 150px) * 4 / 3)); min-width: 280px; align-self: center; }
  .lr-pads { display: contents; }
  .lr-pad-steer { grid-area: steer; grid-template-columns: 1fr 1fr; align-self: end; }
  .lr-pad-pedal { grid-area: pedal; grid-template-columns: 1fr; align-self: center; }
  .lr-pad-steer button, .lr-pad-pedal button { min-height: 58px; }
  .lr-actions { grid-area: actions; flex-direction: column; align-items: stretch; align-self: start; }
  .lr-actions button { width: 100%; }
  .lr-laps { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .lr-course { transition: none; }
}