body {
  font-family: sans-serif;
  text-align: center;
  color: #363533;
  line-height: 1.4;
}

img {
  width: 100%;
}

section {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
section:nth-of-type(1) {
  background-image: url("../img/q-1-bg.jpg");
  padding: 20% 0 10%;
  margin-top: -16%;
}
section:nth-of-type(2) {
  background-image: url("../img/q-2-bg.jpg");
  padding: 10% 0;
}
section:nth-of-type(3) {
  background-image: url("../img/q-3-bg.jpg");
  padding: 10% 0;
}
section:nth-of-type(4) {
  background-image: url("../img/q-4-bg.jpg");
  padding: 10% 0;
}
section.offer {
  background-image: url("../img/offer-bg.jpg");
}

.box {
  background-color: #fff;
  width: 92%;
  margin: 0 auto;
  padding: 5% 3%;
  border-radius: 1rem;
}

.number {
  width: 15%;
  margin: 0 auto;
}

.color {
  color: #e50012;
  font-weight: 700;
}

.question {
  margin: 1em 0;
}

section:nth-of-type(even) .box {
  border: 3px solid #13186b;
}

section:nth-of-type(4) .image {
  width: 60%;
  margin: 0 auto;
}

.note {
  font-size: 0.6em;
  vertical-align: super;
  font-weight: normal;
}

ul.answer {
  margin: 1.5em 0 1em;
}
ul.answer li {
  margin-bottom: 0.3em;
}
ul.answer input {
  display: none;
}
ul.answer label {
  display: block;
  width: 100%;
  padding: 1.3rem 0;
  font-weight: 700;
  border-radius: 3rem;
  color: #fff;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  -webkit-box-shadow: inset 0 0 0 2px rgb(255, 255, 255);
          box-shadow: inset 0 0 0 2px rgb(255, 255, 255);
  border: 2px solid transparent;
  font-size: 0.85em;
}

section:nth-of-type(odd) ul.answer label {
  background: #2628ff;
}

section:nth-of-type(odd) ul.answer input:checked + label {
  background: #07911f;
}

section:nth-of-type(even) ul.answer label {
  background: #242a82;
}

section:nth-of-type(even) ul.answer input:checked + label {
  background: #07911f;
}

.detail {
  padding: 1.5em 0;
  border-radius: 1em;
  margin-top: 2em;
}
.detail p {
  font-size: 0.85rem;
  margin-bottom: 1em;
  padding: 0 4%;
}
.detail .marker {
  font-weight: 700;
  background: #e50012;
  color: #fff;
  padding: 0.2em 0.3em;
  border-radius: 0.2em;
  line-height: 1.5;
}
.detail img {
  width: 86%;
  margin: 0 auto 1em;
}
.detail img.title {
  width: 80%;
  margin: 1em auto;
}

section.q2 .detail img:nth-of-type(2) {
  width: 60%;
  margin: 0;
}

section:nth-of-type(odd) .detail {
  background: #c9dfff;
}

section:nth-of-type(even) .detail {
  background: #ffe5ad;
}

.offer {
  color: #fff;
  font-weight: bold;
  padding: 10% 4%;
}
.offer .thanks {
  font-size: 1.5em;
  margin-bottom: 1em;
}
.offer p {
  margin-top: 1.5em;
}
.offer .cta a {
  position: relative;
  display: block;
  width: 92%;
  margin: 1.2em auto 0;
  overflow: hidden;
  -webkit-transform-origin: center center;
          transform-origin: center center;
}
.offer .cta a::after {
  content: "";
  position: absolute;
  top: -25%;
  left: -45%;
  width: 50%;
  height: 150%;
  z-index: 1;
  background: linear-gradient(100deg, transparent 0%, rgba(255, 255, 255, 0) 40%, rgba(255, 255, 255, 0.65) 50%, rgba(255, 255, 255, 0) 60%, transparent 100%);
  -webkit-transform: skewX(-18deg);
          transform: skewX(-18deg);
  pointer-events: none;
  -webkit-animation: cta-shimmer 5s ease-in-out infinite;
          animation: cta-shimmer 5s ease-in-out infinite;
}

@-webkit-keyframes cta-shimmer {
  0%, 72% {
    -webkit-transform: translateX(-20%) skewX(-18deg);
            transform: translateX(-20%) skewX(-18deg);
    opacity: 0;
  }
  76% {
    -webkit-transform: translateX(-20%) skewX(-18deg);
            transform: translateX(-20%) skewX(-18deg);
    opacity: 1;
  }
  80% {
    -webkit-transform: translateX(280%) skewX(-18deg);
            transform: translateX(280%) skewX(-18deg);
    opacity: 1;
  }
  83% {
    -webkit-transform: translateX(280%) skewX(-18deg);
            transform: translateX(280%) skewX(-18deg);
    opacity: 0;
  }
  100% {
    -webkit-transform: translateX(-20%) skewX(-18deg);
            transform: translateX(-20%) skewX(-18deg);
    opacity: 0;
  }
}

@keyframes cta-shimmer {
  0%, 72% {
    -webkit-transform: translateX(-20%) skewX(-18deg);
            transform: translateX(-20%) skewX(-18deg);
    opacity: 0;
  }
  76% {
    -webkit-transform: translateX(-20%) skewX(-18deg);
            transform: translateX(-20%) skewX(-18deg);
    opacity: 1;
  }
  80% {
    -webkit-transform: translateX(280%) skewX(-18deg);
            transform: translateX(280%) skewX(-18deg);
    opacity: 1;
  }
  83% {
    -webkit-transform: translateX(280%) skewX(-18deg);
            transform: translateX(280%) skewX(-18deg);
    opacity: 0;
  }
  100% {
    -webkit-transform: translateX(-20%) skewX(-18deg);
            transform: translateX(-20%) skewX(-18deg);
    opacity: 0;
  }
}
@media screen and (min-width: 769px) {
  html {
    font-size: 24px;
    display: flex;
    justify-content: center;
  }
  body {
    width: 600px;
    margin: 0 auto;
  }
}