body {
  font-family: sans-serif;
  background: #f9f9f9;
/*  padding: 20px;*/
}
.container {
  max-width: 600px;
  margin: auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
}
label {
  display: block;
  margin-top: 15px;
  font-weight: bold;
}
/*
input, textarea {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
  box-sizing: border-box;
}
*/
input[type="text"], select, input[type="date"], textarea {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
  box-sizing: border-box;
}
.counter {
  font-size: 0.8em;
  color: #555;
  text-align: right;
}
.choice {
  margin-top: 10px;
}
button {
  margin-top: 20px;
  padding: 10px 15px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
}
button:hover {
  background: #0056b3;
}

/* モーダル */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100dvh;
  background: rgba(0,0,0,0.6);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}
.modal-content {
  background: white;
  padding: 20px;
  border-radius: 8px;
  max-height: 90dvh;
  overflow-y: auto;
  width: 90%;
}