/* diagnosis.css */
body { background: #ffffff; color: var(--navy); }

.diagnosis { min-height: calc(100vh - 65px); }
.diagnosis__container {
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

/* ---- ステップ ---- */
.diagnosis__step { animation: fadeUp .4s ease forwards; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- 質問 ---- */
.question__num {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--gold);
  margin-bottom: 10px;
  text-transform: uppercase;
  font-weight: 700;
}
.question__text {
  font-family: var(--font-sans);
  font-size: clamp(20px, 3.5vw, 28px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--navy);
  margin-bottom: 8px;
}
.question__hint {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 32px;
  line-height: 1.7;
}

/* ---- 選択肢 ---- */
.options { display: grid; gap: 11px; }

.options__btn {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  padding: 18px 22px;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.options__btn:hover {
  border-color: var(--navy);
  box-shadow: var(--shadow-md);
  transform: translateX(3px);
}
.options__btn--selected {
  border-color: var(--navy);
  background: rgba(30,46,83,.04);
}

.options__mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-500);
  flex-shrink: 0;
  transition: var(--transition);
}
.options__btn--selected .options__mark {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.options__content { flex: 1; }
.options__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  display: block;
  margin-bottom: 3px;
}
.options__desc {
  font-size: 12px;
  color: var(--gray-500);
  display: block;
}

/* ---- ナビボタン ---- */
.diagnosis__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 36px;
}

.btn-next {
  background: var(--navy);
  color: var(--white);
  border: none;
  padding: 13px 32px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.btn-next:hover { background: var(--navy-light); transform: translateY(-1px); }
.btn-next:disabled { opacity: .35; cursor: not-allowed; transform: none; }

.btn-back {
  color: var(--gray-500);
  font-size: 13px;
  background: none;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color .2s;
}
.btn-back:hover { color: var(--navy); }