@charset "UTF-8";

body {
  font-family: "Hiragino Maru Gothic ProN", sans-serif;
  background: #fff9f9;
  color: #444;
  text-align: center;
  padding: 20px 20px;
}
h1 {
  color: #d87fa7;
  font-size: 1.8em;
  margin-bottom: 1em;
}
form {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  max-width: 400px;
  margin: auto;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  text-align: left;
}
label {
  display: block;
  margin-top: 1em;
  font-weight: bold;
}
input[type="radio"] {
  margin-right: 6px;
}
button {
  margin-top: 1.5em;
  background-color: #f8d7e3;
  color: #444;
  border: none;
  padding: 12px 24px;
  font-size: 1em;
  border-radius: 8px;
  cursor: pointer;
}
button:hover {
  background-color: #f2c2d5;
}
footer {
  margin-top: 2em;
  font-size: 0.9em;
  color: #888;
}
a:hover img {
  filter: alpha(opacity=50);
  -moz-opacity: 0.5;
  opacity: 0.5;
  /*画像を70%の不透明度に
  もし50%にしたいときは
  上から50、0.5、0.5にします*/
}