:root {
  --color-bg: #f7f3ec;
  --color-bg-soft: #fffaf2;
  --color-card: #fffdf8;
  --color-main: #7f9b82;
  --color-main-dark: #526b55;
  --color-accent: #d8bfa4;
  --color-text: #3f3a34;
  --color-muted: #7b746c;
  --color-border: #e8ded0;
  --color-white: #ffffff;
  --shadow-card: 0 18px 45px rgba(85, 72, 56, 0.14);
  --shadow-button: 0 10px 22px rgba(82, 107, 85, 0.22);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --transition: 0.28s ease;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(216, 191, 164, 0.28), transparent 34%),
    radial-gradient(circle at bottom right, rgba(127, 155, 130, 0.24), transparent 35%),
    linear-gradient(135deg, #f9f4ec 0%, #edf2e8 100%);
  position: relative;
  overflow-x: hidden;
}

/* 背景画像だけを60%透過で右側に固定表示 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url("material/bg.png") right center / auto 100% no-repeat;
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font-family: inherit;
}

.app {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 100vh;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screen {
  display: none;
  width: 100%;
  max-width: 720px;
  animation: fadeSlideIn 0.36s ease both;
}

.screen-active {
  display: block;
}

.hero-card,
.question-card,
.result-card {
  width: 100%;
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid rgba(232, 222, 208, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: clamp(28px, 5vw, 48px);
  backdrop-filter: blur(10px);
}

.hero-card {
  text-align: center;
}

.eyebrow,
.result-label,
.question-number {
  margin: 0 0 12px;
  color: var(--color-main-dark);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
.result-title {
  margin: 0;
  font-family: "Zen Maru Gothic", "Noto Sans JP", sans-serif;
  color: var(--color-main-dark);
  font-weight: 700;
  line-height: 1.28;
}

h1 {
  font-size: clamp(2rem, 7vw, 3.7rem);
}

.lead {
  max-width: 560px;
  margin: 22px auto 0;
  color: var(--color-muted);
  font-size: clamp(0.98rem, 2.4vw, 1.08rem);
  line-height: 1.9;
}

.time-box {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 28px auto 30px;
  padding: 12px 18px;
  border-radius: 999px;
  background: #f1eadf;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.time-box strong {
  color: var(--color-main-dark);
  font-size: 1rem;
}

.primary-button,
.share-button,
.restart-button,
.back-button {
  min-height: 48px;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition),
    opacity var(--transition);
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 360px);
  padding: 15px 24px;
  background: var(--color-main);
  color: var(--color-white);
  box-shadow: var(--shadow-button);
  font-size: 1rem;
}

.primary-button:hover {
  transform: translateY(-2px);
  background: var(--color-main-dark);
}

.progress-area {
  margin-bottom: 30px;
}

.progress-text {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.progress-bar {
  width: 100%;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: #eee5d8;
}

.progress-fill {
  width: 0%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-main));
  transition: width 0.32s ease;
}

.question-text {
  margin: 0 0 26px;
  font-family: "Zen Maru Gothic", "Noto Sans JP", sans-serif;
  font-size: clamp(1.35rem, 4vw, 2rem);
  line-height: 1.55;
  color: var(--color-text);
}

.choices {
  display: grid;
  gap: 12px;
}

.choice-button {
  width: 100%;
  min-height: 54px;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition:
    transform var(--transition),
    border var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.choice-button:hover {
  transform: translateY(-2px);
  border-color: rgba(127, 155, 130, 0.55);
  box-shadow: 0 10px 24px rgba(85, 72, 56, 0.1);
}

.choice-button.selected {
  border-color: var(--color-main);
  background: #edf4ea;
  box-shadow: 0 10px 24px rgba(127, 155, 130, 0.16);
}

.back-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 22px;
  padding: 12px 18px;
  background: transparent;
  color: var(--color-main-dark);
  border: 1px solid var(--color-border);
}

.back-button:hover {
  background: #f4eee4;
}

.back-button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.result-card {
  animation: fadeSlideIn 0.36s ease both;
}

.result-title {
  margin-bottom: 18px;
  font-size: clamp(1.85rem, 5.6vw, 3rem);
}

.result-description {
  margin: 0 0 26px;
  color: var(--color-muted);
  font-size: 1.02rem;
  line-height: 1.9;
  white-space: pre-line;
}

.result-cta {
  margin: 4px 0 28px;
}

.result-section {
  margin-top: 24px;
  padding: 22px;
  border-radius: var(--radius-md);
  background: #faf5ed;
  border: 1px solid rgba(232, 222, 208, 0.85);
}

.result-section h3 {
  margin: 0 0 10px;
  color: var(--color-main-dark);
  font-family: "Zen Maru Gothic", "Noto Sans JP", sans-serif;
  font-size: 1.08rem;
}

.result-section p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.85;
}

.result-section ul {
  margin: 0;
  padding-left: 1.25em;
  color: var(--color-muted);
  line-height: 1.85;
}

.share-button,
.restart-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 360px);
  margin: 14px auto 0;
  padding: 14px 20px;
}

.share-button {
  background: #3f3a34;
  color: var(--color-white);
}

.share-button:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.restart-button {
  background: transparent;
  color: var(--color-main-dark);
  border: 1px solid var(--color-border);
}

.restart-button:hover {
  background: #f4eee4;
}

.sp-only {
  display: none;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  body::before {
    background: url("material/bg.png") right bottom / 70% auto no-repeat;
    opacity: 0.6;
  }
  .app {
    padding: 16px;
    align-items: flex-start;
  }

  .hero-card,
  .question-card,
  .result-card {
    padding: 28px 20px;
    border-radius: 24px;
  }

  .sp-only {
    display: block;
  }

  .choice-button {
    font-size: 0.96rem;
  }

  .result-section {
    padding: 18px;
  }
}