body {
  padding: 2%; }

.contact h2 {
  color: #FFF;
  font-size: 18px;
  text-align: center;
  margin: 20px; }

.contact form {
  max-width: 600px;
  margin: 0 auto;
  background-color: #fff;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); }

.contact label {
  font-size: 13px;
  text-align: left;
  color: #000;
  display: block;
  margin-bottom: 8px; }

.contact input[type="text"],
.contact input[type="email"],
.contact input[type="tel"],
.contact input[type="url"],
.contact textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 4px; }

.contact input[type="checkbox"] {
  margin-right: 10px; }

a {
  color: dodgerblue;
  text-decoration: underline; }

a:hover {
  text-decoration: none; }

  .red {
    color: red;
  }

  .blue {
    color: #3b9cdc;
  }

  /* 
	button
-------------------------------------------------------------------- */
/*まずはお決まりのボックスサイズ算出をborer-boxに */
*,
*:before,
*:after {
  -webkit-box-sizing: inherit;
  box-sizing: inherit;
}

html {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  font-size: 62.5%;/*rem算出をしやすくするために*/
}

.btn,
a.btn,
button.btn {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 2;
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  cursor: pointer;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  letter-spacing: 0.1em;
  border-radius: 0.5rem;
}


.btn-border {
  width: 100%;
  border: 2px solid black;
  border-radius: 0;
  background: black;
  padding: 15px;
  color: white;
}

.btn-border:hover {
  color: black;
  background: white;
}