:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #6b6b6b;
  --border: #dddddd;
  --error: #b3261e;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111111;
    --fg: #f2f2f2;
    --muted: #9a9a9a;
    --border: #333333;
    --error: #ff6b60;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#app {
  flex: 1;
  max-width: 640px;
  margin: 0 auto;
  width: 100%;
  padding: 2.5rem 1.25rem;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
}

.domain {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.link-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 13px;
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}

.block {
  text-align: center;
  padding: 2rem 0;
}

.detail-block {
  border-top: 1px solid var(--border);
}

.question {
  font-size: 16px;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.answer {
  font-size: clamp(56px, 16vw, 140px);
  font-weight: 700;
  line-height: 1;
  margin: 0;
}

.context {
  font-size: 18px;
  color: var(--muted);
  margin: 1rem 0 0;
}

.place-line {
  font-size: clamp(32px, 9vw, 44px);
  font-weight: 600;
  line-height: 1.15;
  margin: 0.35rem 0;
}

#location-picker {
  text-align: center;
  padding-top: 4rem;
}

.label {
  display: block;
  font-size: 18px;
  color: var(--muted);
  margin-bottom: 1rem;
}

#location-form {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

input[type="text"] {
  font-family: inherit;
  font-size: 18px;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  border-radius: 4px;
  width: 220px;
}

button[type="submit"] {
  font-family: inherit;
  font-size: 16px;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--fg);
  background: var(--fg);
  color: var(--bg);
  border-radius: 4px;
  cursor: pointer;
}

.error {
  color: var(--error);
  font-size: 14px;
  margin-top: 1rem;
}

.loading {
  text-align: center;
  color: var(--muted);
  padding-top: 4rem;
}

footer {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding: 1.5rem;
}

footer a {
  color: var(--muted);
}

:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}