/*共通*/

:root {
  --primary-color: #333333;
  --secondary-color: #ffffff;
  --text-color: #fff;
  --accent-color: #FFA500;
  --sub-nav-color: #000000;
  --button-color: #633319;
}

.required-star {
  color: red;
}


.confirmation-details {
  background-color: #ffffff;
  border: 1px solid #eee;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 5px;
}

.confirm-form {
  font-size: 1.1em;
  margin-bottom: 15px;
  line-height: 1.6;
}

.confirm-form strong {
  display: inline-block;
  width: 100%;
  margin-right: 10px;
  color: #333;
}

.regi-form>p {
  text-align: center;
  margin: 20px 0;
  font-weight: bold;
}

.regi-form .btn-submit {
  display: block;
  width: 50%;
  margin: 20px auto 0;
  background-color: var(--button-color);
}

.register p a {
  color: #007bff;
  text-decoration: none;
}

.register p a:hover {
  text-decoration: underline;
}

.register-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 160px);
  padding: 20px;
  box-sizing: border-box;
}

.register {
  background-color: #f9f9f9;
  padding: 30px 40px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.register .wrapper-title {
  text-align: center;
  margin-bottom: 25px;
}

.register .wrapper-title h3 {
  font-size: 28px;
  color: #333;
  margin-bottom: 5px;
  font-weight: 600;
}

.register .wrapper-title p {
  font-size: 14px;
  color: #666;
}

.regi-form .form-group {
  margin-bottom: 20px;
}

.regi-form label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  font-size: 14px;
  color: #555;
}

.regi-form input[type="text"],
.regi-form input[type="email"],
.regi-form input[type="password"] {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
  font-size: 16px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.regi-form input[type="text"]:focus,
.regi-form input[type="email"]:focus,
.regi-form input[type="password"]:focus {
  border-color: #ffa600;
  outline: none;
  box-shadow: 0 0 0 0.2rem rgba(255, 174, 0, 0.25);
}

.btn-submit {
  width: 100%;
  padding: 12px 15px;
  background-color: #FFA500;
  ;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  font-weight: bold;
  text-transform: uppercase;
  transition: background-color 0.3s ease;
}

.btn-submit:hover {
  background-color: #ffa600;
}

.invalid-feedback {
  color: red;
}

.alert-danger {
  color: red;
}

/* タブレット向けスタイル (768px以上 1024px以下) */
@media (min-width: 768px) and (max-width: 1024px) {
  .register {
    max-width: 600px;
    padding: 35px 50px;
  }

  .register .wrapper-title h3 {
    font-size: 30px;
  }

  .register .wrapper-title p {
    font-size: 15px;
  }

  .regi-form label {
    font-size: 15px;
  }

  .regi-form input[type="text"],
  .regi-form input[type="email"],
  .regi-form input[type="password"] {
    padding: 14px 18px;
    font-size: 17px;
  }

  .btn-submit {
    padding: 14px 18px;
    font-size: 17px;
  }

  .invalid-feedback {
    color: red;
  }

  .alert-danger {
    color: red;
  }
}

/* PC向けスタイル (960px以上) */
/* 960px-1024pxの範囲では、こちらのスタイルがタブレットのスタイルを上書きします */
@media (min-width: 960px) {
  .register {
    max-width: 650px;
    /* PCではもう少し幅を広げる */
    padding: 40px 60px;
  }

  .register .wrapper-title h3 {
    font-size: 32px;
  }

  .register .wrapper-title p {
    font-size: 16px;
  }

  .regi-form label {
    font-size: 16px;
  }

  .regi-form input[type="text"],
  .regi-form input[type="email"],
  .regi-form input[type="password"] {
    padding: 15px 20px;
    font-size: 18px;
  }

  .btn-submit {
    padding: 15px 20px;
    font-size: 18px;
  }

  .invalid-feedback {
    color: red;
  }

  .alert-danger {
    color: red;
  }
}