body {
  font-family: sans-serif;
  padding: 15px;
}

p {
  line-height: 1.6;
}

/* Remove marker added by the display: list-item browser default */
details > summary {
  list-style: none;
  user-select: none;
  display: inline-block;
  outline: none;
  -webkit-appearance: none;
  -webkit-user-select: none;
}

/* Remove marker added by details polyfill */
details > summary::before {
  display: none;
}

/* Remove marker added by Chrome */
details > summary::-webkit-details-marker {
  display: none;
}

header {
  text-align: center;
  margin: 1em 0 -2em 0;
}

header img {
  height: 120px;
  display: inline-block;
}

main {
  max-width: 800px;
  margin: 0 auto;
}

img {
  max-width: 100%;
}

h2 {
  background: #eee;
  border-radius: 10px;
  padding: 0.5em 1em;
  margin-top: 2em;
}

aside {
  display: flex;
  margin: 10px -10px;
}

dl, dt, dd {
  margin: 0;
  padding: 0;
  text-align: center;
}

dl {
  flex-grow: 1;
  flex-basis: 0;
  border: solid 2px #19522d;
  border-radius: 10px;
  margin: 10px;
  padding: 2em;
}

dt {
  opacity: 0.5;
  margin-bottom: 3px;
}

dd {
  font-size: 2em;
  color: #19522d;
  font-weight: bold;
}

section {
  border-radius: 20px;
  border: solid 2px #19522d;
  position: relative;
  padding: 1.5em;
  margin-top: 2em;
}

section h2 {
  position: absolute;
  left: 50%;
  top: 0;
  background: #d9e4dd;
  color: #19522d;
  border-radius: 30px;
  padding: 0.5em 1em;
  margin: 0;
  transform: translate(-50%, -50%);
  font-size: 1rem;
}

a.button, button {
  display: inline-block;
  border-radius: 100px;
  border: solid 2px #19522d;
  background: none;
  padding: 1em 2em;
  color: #19522d;
  font-weight: bold;
  transition: background-color .3s ease,color .3s ease;
  cursor: pointer;
  text-decoration: none;
}

a.button:hover, button:hover {
  background: #19522d;
  color: white;
}

a.button i.fa, button i.fa {
  margin-left: 0.2em;
}

a.button.disabled, button[disabled],
a.button.disabled:hover, button[disabled]:hover {
  border-color: #ccc;
  color: #ccc;
  background: none;
  cursor: not-allowed;
}

details {
  border-top: solid 1px #eee;
}

summary {
  padding: 1em;
}

summary span {
  opacity: 0.5;
}

details[open] summary i.fa {
  transform: rotate(90deg);
}

table {
  width: 100%;
}

th, td {
  border-top: solid 1px #eee;
  padding: 0.5em;
  text-align: left;
}

ul {
  list-style: none;
  padding: 0.5em;
}

li::before {
  content: "〇 ";
}

figure {
  margin: 2em;
  padding: 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: rgba(50, 50, 93, 0.25) 0px 6px 12px -2px, rgba(0, 0, 0, 0.3) 0px 3px 7px -3px;
}

iframe {
  display: block;
}

footer {
  margin-top: 2em;
  padding: 1em 0;
  border-top: solid 1px #eee;
  text-align: center;
}

footer a {
  margin: 0 5px;
  text-decoration: none;
  color: #aaa;
}

footer a:hover {
  text-decoration: underline;
}

select {
  width: 100%;
  border: solid 1px #aaa;
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 1em;
}

label input {
  display: none;
}

label input + span {
  border: solid 1px #19522d;
  color: #19522d;
  border-radius: 10px;
  padding: 3px 6px;
  cursor: pointer;
}

label input:checked + span {
  background: #19522d;
  color: white;
}

#checkout {
  scroll-margin: 30px;
}