body {
  font-family: Arial, sans-serif;
  padding: 20px;
  background: #fafafa;
}

.container {
  max-width: 600px;
  margin: 30px auto;
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  font-family: sans-serif;
}

label {
  display: block;
  margin-top: 10px;
  font-weight: bold;
}

input[type="number"],
input[type="date"] {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.checkbox-group {
  margin: 10px 0;
}
.checkbox-group label {
  display: block;
  margin: 3px 0;
}

button {
  width: 100%;
  padding: 10px;
  background-color: #0088cc;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  margin-top: 15px;
}

#result {
  margin-top: 20px;
  font-size: 18px;
  font-weight: bold;
}

.bar-container {
  width: 100%;
  height: 30px;
  background-color: #e0e0e0;
  border-radius: 15px;
  margin-top: 15px;
  overflow: hidden;
  position: relative;
}

.bar-fill {
  height: 100%;
  background-color: #ff7f50;
  width: 0%;
  transition: width 0.4s ease-in-out;
}

.bar-label {
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  font-weight: bold;
}

.disclaimer {
  font-size: 0.95em;
  color: #444;
  margin-top: 30px;
  line-height: 1.6;
  background-color: #fff3f3;
  border-left: 5px solid #e53935;
  padding: 15px;
  border-radius: 4px;
}
.disclaimer strong {
  color: #d32f2f;
}

.info1 {
  font-size: 0.95em;
  color: #444;
  margin-top: 30px;
  line-height: 1.6;
  background-color: #e6f4ff;       /* 연한 하늘색 배경 */
  border-left: 5px solid #2196f3;   /* 선명한 하늘색 강조선 */
  padding: 15px;
  border-radius: 4px;
}
.info1 strong {
  color: #1976d2; /* 더 진한 파란색 강조 텍스트 */
}

.ad-banner {
  background: #f0f0f0;
  padding: 20px;
  margin: 20px 0;
  text-align: center;
  font-weight: bold;
  border-radius: 10px;
}

.text-link {
  display: inline-block;
  color: #007BFF; /* 파란색 */
  font-size: 16px;
  text-decoration: underline;
  cursor: pointer;
  margin-top: 20px;
}

.text-link:hover {
  color: #0056b3;
}

#open-ovulation-btn:hover {
  background-color: #ff5c2b;
}

.lang-switch {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 999;
}

.lang-switch select {
  padding: 6px 10px;
  font-size: 14px;
  border-radius: 5px;
  border: 1px solid #ccc;
}

.site-footer a {
  color: #c2185b;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.container_footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 40px 20px;
  text-align: center;  /* ← 이 줄 추가 */
}