/* ==================== 共通スタイル ==================== */
body {
  font-family: sans-serif;
  text-align: center;
  background-color: #f7f7f7;
  color: #333;
  margin: 0;
  padding: 0;
}

h1, h2 {
  color: #333;
  margin-bottom: 20px;
}

.btn {
  padding: 10px 20px;
  font-size: 16px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  margin: 5px;
  transition: background-color 0.3s ease;
}

.btn:hover {
  opacity: 0.8;
}

.btn-lightblue {
  background-color: hsl(244, 100%, 64%);
  color: white;
}

/* ==================== index.php スタイル ==================== */
#index-container {
  padding-top: 100px;
}
#index-container h1 {
  margin-bottom: 100px;
  font-size: 36px;
}
.btn-search { background-color: #4CAF50; color: white; }
.btn-register { background-color: #f44336; color: white; }
.note { color: red; margin-top: 10px; font-size: 14px; }


/* ==================== search.php スタイル ==================== */
#search-container {
  padding: 30px;
  max-width: 800px;
  margin: 0 auto;
}
#search-container h2 {
  text-align: center;
  font-size: 30px;
}
.search-form {
  text-align: center;
  margin-bottom: 30px;
}
.search-form label {
  font-size: 18px;
}
.search-form select {
  padding: 8px;
  font-size: 16px;
  border: 1px solid #ddd;
  border-radius: 4px;
  margin-right: 10px;
}
.search-form .btn {
  padding: 8px 20px;
  font-size: 16px;
  margin-top: 0;
}
.item {
  background: #fff;
  padding: 15px;
  margin: 15px auto;
  max-width: 600px;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  text-align: left;
}
.item img {
  width: 150px;
  height: auto;
  margin-bottom: 10px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  border-radius: 5px;
}
.item p {
  font-size: 16px;
  margin: 5px 0;
}
.item .btn {
  padding: 5px 15px;
  margin-top: 10px;
}

/* ==================== detail.php スタイル ==================== */
#detail-container {
  padding: 50px;
  max-width: 600px;
  margin: 0 auto;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
#detail-container img {
  max-width: 250px;
  height: auto;
  margin-bottom: 25px;
  border-radius: 5px;
}
#detail-container p {
  font-size: 18px;
  margin: 10px 0;
  line-height: 1.5;
}
.btn-green {
  background-color: #4CAF50;
  color: white;
}
.btn-red {
  background-color: #f44336;
  color: white;
}
#detail-container form {
  margin-top: 30px;
}


/* ==================== register.php スタイル ==================== */
#register-container {
  padding-top: 50px;
  max-width: 600px;
  margin: 0 auto;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  padding-bottom: 30px;
}
#register-container h2 {
  font-size: 30px;
}
#register-container label {
  display: block;
  margin: 15px auto;
  width: 80%;
  max-width: 350px;
  font-size: 16px;
  text-align: left;
}
#register-container label + label,
#register-container label + input[type="file"],
#register-container label + select,
#register-container label + input[type="text"] {
  margin-top: 25px;
}
#register-container input[type="file"],
#register-container select,
#register-container input[type="text"] {
  display: block;
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border: 1px solid #ddd;
  border-radius: 4px;
  box-sizing: border-box;
}
#register-container .btn {
  background-color: #f44336;
  color: white;
  padding: 12px 30px;
  font-size: 18px;
  margin-top: 30px;
}

/* ==================== register_complete.php & search_complete.php スタイル ==================== */
.complete-container {
  padding: 100px 20px;
  max-width: 600px;
  margin: 0 auto;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.complete-container h2 {
  color: #333;
  margin-bottom: 30px;
  font-size: 30px;
}
.complete-container p {
  font-size: 18px;
  margin-bottom: 40px;
  line-height: 1.6;
}
.complete-container .btn {
  background-color: #4CAF50;
  color: white;
  padding: 12px 24px;
  font-size: 16px;
}