@import url("https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@400;500;700&display=swap");

:root {
  --card-cream: #fffaf0;
  --card-brown: #4a3728;
  --card-green: #257836;
  --card-green-soft: #e7f2df;
  --card-terracotta: #c86e4a;
  --card-border: #efe7d9;
  --card-muted: #6f6258;
  --card-shadow:
    0 1px 2px rgba(74, 55, 40, 0.05),
    0 4px 14px rgba(74, 55, 40, 0.07),
    0 14px 30px rgba(74, 55, 40, 0.05);
  --heading-font: "Zen Maru Gothic", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  --body-font: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
}

* { box-sizing: border-box; }

html { color-scheme: light; }

body {
  min-height: 100vh;
  margin: 0;
  background: var(--card-cream);
  color: var(--card-brown);
  font-family: var(--body-font);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img, button { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
img { -webkit-user-drag: none; user-drag: none; }

.app-shell {
  width: min(100% - 32px, 960px);
  margin: 0 auto;
  padding: clamp(22px, 5vw, 56px) 0 56px;
}

.app-header, .card-screen .picture-card, .answer-panel, .complete-screen {
  border: 1px solid var(--card-border);
  border-radius: 24px;
  background: rgba(255, 255, 255, .94);
  box-shadow: var(--card-shadow);
}

.app-header { padding: clamp(24px, 5vw, 40px); }
.app-header h1 {
  margin: 0;
  color: var(--card-brown);
  font-family: var(--heading-font);
  font-size: clamp(1.65rem, 4vw, 2.1rem);
  line-height: 1.5;
  letter-spacing: 0.01em;
}
.lead { margin: 8px 0 0; color: var(--card-muted); }
.eyebrow {
  margin: 0 0 4px;
  color: var(--card-green);
  font-family: var(--heading-font);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.audience-switch { margin-top: 18px; }
.switch-label { margin: 0 0 8px; color: var(--card-muted); font-size: .9rem; font-weight: 700; }
.chip-list { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  min-height: 48px;
  min-width: 116px;
  padding: 9px 18px;
  background: #fff;
  color: var(--card-brown);
  font-size: .98rem;
}
.chip:hover { background: #f7f2e8; }
.chip.is-selected {
  border-color: var(--card-green);
  background: var(--card-green-soft);
  color: var(--card-green);
}

.image-fallback {
  margin: 0;
  padding: 0 12px;
  color: var(--card-muted);
  font-family: var(--heading-font);
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  font-weight: 700;
  text-align: center;
}

.card-screen { margin-top: 20px; }
.card-status { display: flex; align-items: center; justify-content: space-between; padding: 0 4px 12px; color: var(--card-muted); font-size: .93rem; }
.card-status p { margin: 0; }

.picture-card {
  display: grid;
  min-height: min(64vh, 620px);
  place-items: center;
  padding: clamp(12px, 3vw, 30px);
  background: var(--card-cream);
}
.picture-card img { width: 100%; max-width: 760px; max-height: 62vh; object-fit: contain; }

.answer-panel { margin-top: 18px; padding: 18px 22px; text-align: center; }
.answer-label { margin: 0; color: var(--card-muted); font-weight: 700; }
.answer-word {
  margin: 2px 0;
  color: var(--card-brown);
  font-family: var(--heading-font);
  font-size: clamp(1.8rem, 6vw, 3rem);
  font-weight: 700;
}

button {
  cursor: pointer;
  min-height: 56px;
  padding: 13px 24px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  font: inherit;
  font-size: 1.02rem;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}
button:active { transform: translateY(1px); }
button:disabled { cursor: not-allowed; opacity: .48; }
button:focus-visible {
  outline: 3px solid rgba(37, 120, 54, 0.48);
  outline-offset: 3px;
}

.primary-button { background: var(--card-green); color: #fff; border-color: var(--card-green); }
.primary-button:hover { background: #1d5e2a; border-color: #1d5e2a; }
.secondary-button { background: #fff; color: var(--card-terracotta); border-color: var(--card-terracotta); }
.secondary-button:hover { background: #fff1ea; }

.card-actions { display: flex; gap: 16px; align-items: center; justify-content: center; flex-wrap: wrap; margin-top: 20px; }

.complete-screen { margin-top: 20px; padding: clamp(22px, 4vw, 36px); text-align: center; }
.complete-screen h2 { margin: 10px 0; font-family: var(--heading-font); }
.complete-screen > p:not(.eyebrow) { color: var(--card-muted); }

@media (max-width: 560px) {
  .app-shell { width: min(100% - 20px, 960px); padding-top: 12px; }
  .card-status { align-items: flex-start; flex-direction: column; gap: 8px; }
  .picture-card { min-height: 52vh; }
  .card-actions { display: grid; grid-template-columns: 1fr; }
  .card-actions button { width: 100%; }
}