:root {
  color-scheme: light;
  --bg: #fff6da;
  --panel: #fffaf0;
  --ink: #102a3a;
  --muted: #66717d;
  --accent: #f17b1f;
  --accent-strong: #df4d1d;
  --line: #ecd9ae;
  --focus: #0d6efd;
  --shadow: 0 18px 38px rgba(55, 36, 14, 0.13);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 12% 12%, rgba(255, 255, 255, 0.9), transparent 34%), var(--bg);
  color: var(--ink);
  font-family: "Yu Gothic", "Meiryo", system-ui, sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

.app-shell {
  width: min(1120px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0 28px;
}

.question-view,
.result-view {
  display: grid;
  gap: 18px;
}

.question-view {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 160ms ease, transform 160ms ease;
}

.question-view.is-transitioning {
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(1.35rem, 2.7vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: 0;
}

.progress {
  min-width: min(280px, 42vw);
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-align: right;
}

.progress-track {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: #ead9b9;
}

.progress-track span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width 220ms ease;
}

.image-stage {
  width: 100%;
  height: clamp(260px, 52vh, 620px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.image-stage img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 10px;
}

.choice-button,
.primary-button,
.ghost-button {
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
  letter-spacing: 0;
}

.choice-button {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--ink);
  background: #fffefa;
  border: 1px solid var(--line);
  text-align: left;
}

.choice-button:hover,
.choice-button:focus-visible,
.multi-option:hover,
.multi-option:focus-visible {
  border-color: var(--accent);
  outline: 3px solid rgba(241, 123, 31, 0.18);
}

.choice-number {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: #fff;
  background: var(--accent-strong);
  font-variant-numeric: tabular-nums;
}

.choice-label {
  min-width: 0;
  overflow-wrap: anywhere;
}

.nav-row,
.action-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.primary-button,
.ghost-button {
  padding: 0 18px;
}

.primary-button {
  color: #fff;
  background: var(--accent-strong);
}

.primary-button:hover,
.primary-button:focus-visible {
  outline: 3px solid rgba(223, 77, 29, 0.2);
}

.ghost-button {
  color: var(--ink);
  background: #fffefa;
  border: 1px solid var(--line);
}

.ghost-button:disabled {
  cursor: default;
  opacity: 0.45;
}

.multi-controls {
  display: grid;
  gap: 12px;
}

.multi-group {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 254, 250, 0.78);
}

.multi-title {
  margin: 0;
  font-weight: 900;
}

.multi-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(74px, 1fr));
  gap: 8px;
}

.multi-option {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.multi-option.is-selected {
  border-color: var(--accent-strong);
  background: #fff0e8;
  color: #9c2b0a;
}

.multi-submit {
  justify-self: end;
}

.form-note {
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff8e8;
  color: var(--ink);
  font-weight: 800;
}

.answer-form {
  display: grid;
  gap: 12px;
}

.field-row {
  display: grid;
  gap: 7px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 254, 250, 0.78);
  font-weight: 900;
}

.field-row input,
.field-row textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.5;
  box-shadow: none;
}

.field-row textarea {
  min-height: 112px;
  resize: vertical;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 10px;
}

.scale-list {
  display: grid;
  gap: 12px;
}

.scale-row {
  display: grid;
  grid-template-columns: 120px 86px 1fr 86px;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 254, 250, 0.78);
}

.scale-title {
  margin: 0;
  font-weight: 900;
}

.scale-end {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 900;
}

.scale-end-right {
  text-align: right;
}

.scale-options {
  display: grid;
  grid-template-columns: repeat(8, minmax(34px, 1fr));
  gap: 6px;
}

.scale-option {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 900;
}

.scale-option.is-selected {
  border-color: var(--accent-strong);
  background: #fff0e8;
  color: #9c2b0a;
}

textarea {
  width: 100%;
  min-height: min(58vh, 520px);
  resize: vertical;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  color: var(--ink);
  line-height: 1.8;
  box-shadow: var(--shadow);
}

.result-guide {
  margin: -4px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.7;
}

#toast {
  position: fixed;
  left: 50%;
  bottom: 20px;
  z-index: 10;
  max-width: calc(100% - 28px);
  padding: 11px 16px;
  border-radius: 8px;
  background: rgba(16, 42, 58, 0.95);
  color: #fff;
  font-weight: 800;
  opacity: 0;
  transform: translate(-50%, 12px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

#toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 700px) {
  .app-shell {
    width: min(100% - 18px, 680px);
    padding-top: 12px;
  }

  .topbar {
    display: grid;
    align-items: start;
  }

  .progress {
    min-width: 100%;
    text-align: left;
  }

  .image-stage {
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .choice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .choice-button {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .multi-group {
    grid-template-columns: 1fr;
  }

  .form-actions {
    justify-content: stretch;
  }

  .form-actions button {
    flex: 1 1 140px;
  }

  .scale-row {
    grid-template-columns: 1fr;
  }

  .scale-end,
  .scale-end-right {
    text-align: left;
  }

  .nav-row,
  .action-grid {
    justify-content: stretch;
  }

  .nav-row button,
  .action-grid button {
    flex: 1 1 140px;
  }
}