.acu-check-root {
  --acu-bg: #fffdf8;
  --acu-card: #ffffff;
  --acu-main: #1f5b4f;
  --acu-sub: #4d5f5a;
  --acu-line: #d9e2de;
  --acu-accent: #2f8f7f;
  --acu-soft: #eef7f4;
  max-width: 760px;
  margin: 20px auto;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: #1f2b28;
}

.acu-check-card,
.acu-result {
  background: var(--acu-card);
  border: 1px solid var(--acu-line);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.04);
}

.acu-check-title,
.acu-result-main-title {
  margin: 0;
  font-size: 1.35rem;
  color: var(--acu-main);
}

.acu-check-lead {
  margin: 8px 0 14px;
  color: var(--acu-sub);
  line-height: 1.6;
}

.acu-progress {
  width: 100%;
  height: 9px;
  background: var(--acu-soft);
  border-radius: 999px;
  overflow: hidden;
}

.acu-progress-bar {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #63b39b, #2f8f7f);
  transition: width 0.2s ease;
}

.acu-progress-text {
  margin: 8px 0 0;
  font-size: 0.9rem;
  color: var(--acu-sub);
}

.acu-question {
  margin: 16px 0;
  border: 0;
  padding: 0;
}

.acu-question-label {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.acu-options {
  display: grid;
  gap: 8px;
}

.acu-option {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #f8fbfa;
  border: 1px solid var(--acu-line);
  border-radius: 10px;
  padding: 10px;
  cursor: pointer;
}

.acu-option input {
  width: 17px;
  height: 17px;
  accent-color: var(--acu-accent);
}

.acu-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 16px;
}

.acu-btn,
.acu-cta-btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.95rem;
  text-decoration: none;
  text-align: center;
}

.acu-btn {
  background: #e9f3f0;
  color: #214f45;
}

.acu-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.acu-next {
  background: var(--acu-accent);
  color: #fff;
}

.acu-result {
  margin-top: 16px;
}

.acu-result-block + .acu-result-block {
  margin-top: 14px;
}

.acu-result-heading {
  margin: 0 0 8px;
  font-size: 1.02rem;
  color: var(--acu-main);
}

.acu-summary-text,
.acu-reason-text {
  margin: 0;
  line-height: 1.7;
}

.acu-memo-text {
  width: 100%;
  min-height: 210px;
  border: 1px solid var(--acu-line);
  border-radius: 10px;
  padding: 10px;
  resize: vertical;
  font-size: 0.92rem;
  line-height: 1.55;
}

.acu-copy-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.acu-copy-status {
  font-size: 0.9rem;
  color: var(--acu-sub);
}

.acu-cta-wrap {
  margin-top: 16px;
}

.acu-cta-btn {
  display: inline-block;
  background: #d96a3f;
  color: #fff;
  font-weight: 700;
}

.acu-cta-missing {
  margin: 0;
  color: #875642;
  background: #fff2ea;
  border: 1px solid #f2c9b9;
  border-radius: 10px;
  padding: 10px;
}

.acu-fixed-note {
  margin-top: 14px;
  padding: 10px;
  border-radius: 10px;
  background: #f8f5ea;
  border: 1px solid #e7dcc2;
  color: #5c5339;
  line-height: 1.6;
}

.acu-restart {
  margin-top: 14px;
}

@media (max-width: 640px) {
  .acu-check-root {
    margin: 14px 0;
  }

  .acu-check-card,
  .acu-result {
    padding: 14px;
    border-radius: 12px;
  }

  .acu-actions {
    flex-direction: column;
  }

  .acu-btn,
  .acu-cta-btn {
    width: 100%;
  }
}