* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "ヒラギノ角ゴシック", "游ゴシック", sans-serif;
  background-color: #fff;
  font-size: 16px;
  line-height: 24px;
}
header {
  position: fixed;
  top: 0;
  left: 0;
  height: 80px;
  width: 100%;
  background-color: #545454;
  box-shadow: 0 0 5px 2px #fff;
  z-index: 999;
  display: block;
}
#header-column {
  display: flex;
  justify-content: space-between;
  z-index: 999;
}
img.logo {
  width: auto;
  height: 60px;
  border-radius: 5px;
  padding: 5px 10px;
  background-color: #fff;
  box-shadow: 0px 0px 5px 2px #c5c5c5 inset;
  margin: 10px 20px;
}
.p-none {
  display: none;
}
#side-icon {
  position: relative;
  width: 60px;
  height: 60px;
  cursor: pointer;
  margin: 10px 10px;
  border-radius: 5px;
}
#side-icon span {
  display: inline-block;
  transition: all 0.4s ease;
  position: absolute;
  right: 25%;
  height: 3px;
  border-radius: 2px;
  background-color: #ffffff;
  width: 50%;
}
#side-icon span:nth-of-type(1) {
  top: 21px;
}
#side-icon span:nth-of-type(2) {
  top: 28.5px;
}
#side-icon span:nth-of-type(3) {
  top: 36px;
}
#side-icon.open span:nth-of-type(1) {
  top: 22px;
  transform: translateY(6px) rotate(-45deg);
}
#side-icon.open span:nth-of-type(2) {
  opacity: 0;
}
#side-icon.open span:nth-of-type(3) {
  top: 34px;
  transform: translateY(-6px) rotate(45deg);
}
/*sidebar*/
#sideBody {
  display: block;
  position: fixed;
  box-sizing: border-box;
  top: 80px;
  width: 100vw;
  height: 100%;
  background-color: #b8b8b8;
  opacity: 0.9;
  overflow: hidden;
  overflow-y: scroll;
  z-index: 99;
  display: none;
}
#sideBody.open {
  top: 80px;
}
#side-list {
  padding: 0 5%;
}
#side-list li {
  list-style: none;
  margin: 5px auto;
  font-size: large;
  background-color: #ffffff;
  box-shadow: 0 0 5px 2px #979797;
  border-radius: 3px;
}
#side-list li a {
  display: block;
  padding: 1.5% 4%;
}
.noLink {
  display: block;
  padding: 1.5% 4%;
}
.taisho-methods {
  text-indent: 2em;
}
header a:visited,
header a:link {
  color: #000000;
}
header a:hover {
  color: #ff2424;
}
a:hover {
  font-weight: bold;
}
.bold {
  font-weight: bold;
}

/*メイン*/

main {
  width: 100%;
  margin: 0 auto 10px auto;
  margin-top: 85px;
  background-color: #ebebeb;
  display: block;
  padding: 10px 0 20px 0;
}
#main-title {
  font-weight: bold;
  text-align: center;
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.5;
}
.section {
  width: 90%;
  margin: 3% auto;
}
.section-title {
  font-weight: bold;
  font-size: 1.2rem;
  line-height: 1.5;
}
.section-wrapper {
  width: 90%;
  margin-left: auto;
  margin-right: auto;
  margin-top: 10px;
}
.section-heading {
  margin: 2% 0;
}
.section-text img.bait-box {
  width: 60%;
  height: auto;
  margin: 5% auto;
}
.link:link,
.link:visited {
  color: #3e23a0;
}
.form {
  margin: 3%;
}
.button {
  color: #fff;
  border-radius: 2px;
  background-color: #545454;
  box-shadow: 0px 0px 5px 2px #d3d3d3;
  padding: 5px 20px;
}
.button:hover {
  font-weight: bolder;
  opacity: 0.8;
  box-shadow: 0px 0px 5px 2px #999999;
}
.qa-item {
  border-bottom: 1px solid #ccc;
  padding: 12px 0;
}
.question {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
  user-select: none;
}
.label {
  flex: 0 0 40px;
  font-weight: bold;
}
.q-text {
  flex: 1;
  display: flex;
  align-items: center;
}
.openButton {
  width: 20px;
  height: 20px;
  margin-left: 6px;
  transform: 0.3s;
}
.openButton.rotated {
  transform: rotate(180deg);
}
.answer {
  display: flex;
  align-items: flex-start;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.answer.open {
  max-height: 500px;
  margin-top: 6px;
}
.answer .a-text {
  flex: 1;
}

footer {
  display: block;
  text-align: center;
  margin: 10px;
}
hr {
  max-width: 920px;
  margin: 0 auto;
}
.copyright {
  text-align: center;
  font-size: small;
  margin-top: 5px;
}