@charset "UTF-8";
body {
  font-size: 14px;
  line-height: 1.5;
  color: #000;
  padding: 12px 0 40px;
}

.container {
  width: 100%;
  max-width: 375px;
  padding: 0 10px;
  margin: auto;
}

.header {
  margin-bottom: 12px;
}

.header__logo {
  display: block;
  width: 335px;
  max-width: 92%;
  margin: auto;
}

.header__logo > img {
  width: 100%;
  height: auto;
}

.coupon {
  background: #d71718;
  border-radius: 8px;
  font-size: 26px;
  font-weight: bold;
  line-height: 1.2;
  color: #fff;
  text-align: center;
  padding: 24px;
  margin-bottom: 20px;
}

@media screen and (max-width: 349px) {
  .coupon {
    font-size: 24px;
  }
}

.coupon > span {
  display: inline-block;
}

.ttl {
  font-weight: bold;
}

.ttl--plain {
  font-size: 30px;
  text-align: center;
  margin: 32px 0 40px;
}

@media screen and (max-width: 349px) {
  .ttl--plain {
    font-size: 24px;
  }
}

.ttl--name {
  font-size: 16px;
  margin: 24px 0 12px;
}

.ttl--coupon {
  font-size: 36px;
  box-shadow: 0 0 8px 0 #fff inset;
  border-radius: 8px;
  text-align: center;
  padding: 12px;
  margin-bottom: 42px;
  animation: flash 1s ease infinite alternate;
}

@keyframes flash {
  0% {
    background: #ff9;
  }
  100% {
    background: #fff;
  }
}

.ttl--coupon__prefix {
  display: block;
  font-size: 24px;
  font-weight: normal;
  margin: auto;
}

.txt {
  font-size: 16px;
  line-height: 1.6;
}

@media screen and (max-width: 349px) {
  .txt {
    font-size: 14px;
  }
}

.txt > span {
  display: inline-block;
  text-align: center;
}

.txt--center {
  text-align: center;
}

.btn {
  font-size: 16px;
  font-weight: bold;
  text-align: center;
}

.btn--large {
  display: block;
  width: 80%;
  background: #acacac;
  border-radius: 4px;
  color: #fff;
  padding: 8px;
  margin: 42px auto 0;
  outline: none;
}

.btn--large:hover, .btn--large:focus {
  background: #9e9e9e;
}

.btn--large:active {
  background: #848484;
}

.thumb > img {
  display: block;
  width: 100%;
  height: auto;
}

.thumb--coupon {
  width: 92%;
  max-width: 329px;
  margin: 0 auto 36px;
}

.form {
  margin-bottom: 24px;
}

.form:after {
  display: table;
  width: 0;
  height: 0;
  clear: both;
  content: '';
  visibility: hidden;
}

.form > .input {
  width: calc(100% - 70px);
  float: left;
}

.form > .input.text > input[type="text"],
.form > .input.email > input[type="email"] {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  display: block;
  width: 100%;
  background: #f3f3f3;
  border: 1px solid #d3d3d3;
  border-radius: 4px;
  font-size: 12px;
  color: #000;
  text-align: left;
  padding: 6px 14px;
}

.form > .input.text > input[type="text"]::-webkit-input-placeholder, .form > .input.text > input[type="text"]:-moz-placeholder, .form > .input.text > input[type="text"]::moz-placeholder,
.form >
.input.text > input[type="text"]:-ms-input-placeholder .form > .input.text > input[type="text"]:placeholder-shown,
.form > .input.email > input[type="email"]::-webkit-input-placeholder,
.form > .input.email > input[type="email"]:-moz-placeholder,
.form > .input.email > input[type="email"]::moz-placeholder,
.form >
.input.email > input[type="email"]:-ms-input-placeholder .form > .input.text > input[type="text"]:placeholder-shown,
.form >
.input.text > input[type="text"]:-ms-input-placeholder
.form > .input.email > input[type="email"]:placeholder-shown,
.form >
.input.email > input[type="email"]:-ms-input-placeholder
.form > .input.email > input[type="email"]:placeholder-shown {
  color: #b7b7b7;
}

.form > .submit {
  width: calc(62px);
  float: right;
  margin-left: 8px;
}

.form > .submit > input[type="submit"] {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  display: block;
  width: 100%;
  border-radius: 4px;
  background: #acacac;
  border: none;
  font-size: 16px;
  font-weight: bold;
  color: #fff;
  text-align: center;
  padding: 4px;
}

.form > .submit > input[type="submit"]:hover, .form > .submit > input[type="submit"]:focus {
  background: #9e9e9e;
}

.form > .submit > input[type="submit"]:active {
  background: #848484;
}

.form__error {
  display: block;
  width: 100%;
  clear: both;
  float: left;
  background: #ffeaea;
  border: 1px solid #d71718;
  border-radius: 4px;
  font-size: 13px;
  line-height: 1.4;
  color: #d71718;
  padding: 8px 12px;
  margin-top: 12px;
}

@media screen and (max-width: 349px) {
  .form__error {
    font-size: 12px;
  }
}

.note {
  margin-bottom: 1em;
}

.note > li {
  line-height: 1.4;
  text-indent: -1em;
  padding-left: 1em;
}

.note > li:before {
  display: inline-block;
  width: 1em;
  text-align: right;
}

.note--circle > li:before {
  content: '●';
}

.note--star > li:before {
  content: '★';
}