/* ==========================================================================
   Full Survey (survey.html 専用)
   ========================================================================== */
.survey-page {
  padding-top: calc(var(--space-9) + var(--space-4));
  padding-bottom: var(--space-8);
}

.survey-intro { max-width: 34rem; margin-bottom: var(--space-7); }
.survey-intro__sub { color: var(--color-ink-soft); margin-top: var(--space-4); }
.survey-intro__price { color: var(--color-ink-soft); margin-top: var(--space-3); }

/* --- Progress ---------------------------------------------------- */
.survey-progress { max-width: 34rem; margin-bottom: var(--space-8); }
.survey-progress__count {
  display: block;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-3);
  letter-spacing: 0.04em;
}
.survey-progress__track {
  display: block;
  height: 2px;
  background: var(--color-line);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.survey-progress__fill {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--color-gold);
  border-radius: var(--radius-pill);
  transition: width 0.4s var(--ease-out);
}

/* --- Basic info fields ---------------------------------------------------- */
.survey-basics {
  border: 0;
  padding: 0;
  margin: 0 0 var(--space-8);
  max-width: 30rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.survey-section__title {
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  color: var(--color-ink);
  padding: 0;
  margin-bottom: var(--space-2);
}
.survey-field { display: flex; flex-direction: column; gap: var(--space-2); }
.survey-field__label { font-size: var(--fs-small); color: var(--color-ink-faint); letter-spacing: 0.04em; }
.survey-field__required { color: var(--color-gold); margin-left: var(--space-1); }
.survey-field input[type="text"],
.survey-field input[type="email"] {
  width: 100%;
  font: inherit;
  font-size: var(--fs-body);
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 0.7em 0.8em;
}
.survey-field input::placeholder { color: var(--color-ink-faint); }
.survey-field input:focus-visible,
.survey-field-group select:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 2px; }

.survey-field-group { display: flex; flex-direction: column; gap: var(--space-2); }
.survey-field-group__row { display: flex; gap: var(--space-3); }
.survey-field-group select {
  flex: 1;
  width: 100%;
  font: inherit;
  font-size: var(--fs-body);
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 0.7em 0.8em;
}
.survey-field-group select:disabled { color: var(--color-ink-faint); background: var(--color-paper-deep); }

.survey-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  cursor: pointer;
}
.survey-checkbox input { margin-top: 0.2em; }
.survey-checkbox--tight { margin-top: var(--space-2); }

.survey-hint {
  font-size: var(--fs-small);
  color: var(--color-ink-faint);
  border-left: 2px solid var(--color-gold);
  padding-left: var(--space-3);
  margin-top: var(--space-3);
}

.survey-field--gender { border: 0; padding: 0; margin: 0; }
.survey-gender { display: flex; gap: var(--space-3); margin-top: var(--space-2); }
.survey-gender__option { position: relative; cursor: pointer; }
.survey-gender__option input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.survey-gender__option span {
  display: inline-flex;
  align-items: center;
  padding: 0.55em 1.4em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  font-size: var(--fs-body);
  color: var(--color-ink-soft);
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.survey-gender__option input:checked + span {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-paper);
}
.survey-gender__option input:focus-visible + span {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* --- Question sections ---------------------------------------------------- */
.survey-section { max-width: 40rem; margin-bottom: var(--space-8); }
.survey-section__kicker {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-ink);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.survey-question { border: 0; padding: 0; margin: 0 0 var(--space-6); }
.survey-question__text {
  padding: 0;
  font-size: var(--fs-body);
  color: var(--color-ink);
  margin-bottom: var(--space-4);
  line-height: var(--lh-body);
}

.survey-scale { display: flex; justify-content: space-between; gap: var(--space-2); max-width: 22rem; }
.survey-scale__option { display: flex; align-items: center; justify-content: center; cursor: pointer; position: relative; }
.survey-scale__option input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.survey-scale__option span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  color: var(--color-ink-soft);
  font-size: var(--fs-small);
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.survey-scale__option input:checked + span {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-paper);
}
.survey-scale__option input:focus-visible + span {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}
.survey-scale__endpoints {
  display: flex;
  justify-content: space-between;
  max-width: 22rem;
  font-size: var(--fs-small);
  color: var(--color-ink-faint);
  margin-top: var(--space-2);
}

@media (max-width: 480px) {
  .survey-scale__option span { width: 2rem; height: 2rem; }
  .survey-field-group__row { flex-wrap: wrap; }
}

/* --- Agreement / submit ---------------------------------------------------- */
.survey-agreement { margin-bottom: var(--space-6); }
.survey-agreement a { text-decoration: underline; }

#survey-submit:disabled { opacity: 0.4; cursor: not-allowed; }
#survey-submit:disabled:hover { background: var(--color-gold-bright); }