html body {
  margin: 0;
  padding: 0;
}

.top {
  width: 100%;
  vertical-align: bottom;
}

p {
  width: 100%;
}

p::after {
  content: url("../img/icon_copy.svg");
  vertical-align: middle;
  padding-left: 5px;
}

.button {
  display: flex;
}

.minna_btn,
.tech_btn,
.manzoku_btn {
  width: calc(100% / 3);
  height: 100px;
  font-family: "Noto Sans Japanese", "sans-serif";
  font-weight: bold;
  text-align: center;
  font-size: 30px;
  line-height: 100px;
  color: #707070;
  text-align: center;
}

.minna_btn {
  background-color: rgba(149, 197, 26, .5);
}

.minna_btn:hover {
  background-color: rgba(149, 197, 26, .4);
}

.tech_btn {
  background-color: rgba(89, 211, 242, .75);
}

.tech_btn:hover {
  background-color: rgba(89, 211, 242, .65);
}

.manzoku_btn {
  background-color: rgba(255, 153, 0, .6);
}

.manzoku_btn:hover {
  background-color: rgba(255, 153, 0, .5);
}

h1 {
  font-size: 28px;
  font-family: 'Noto Sans Japanese', sans-serif;
  font-weight: bold;
  color: #707070;
  height: 55px;
  border-bottom: solid 4px #707070;
  margin-left: auto;
  margin-right: auto;
  margin-top: 114px;
  margin-bottom: 80px;
}

.container {
  width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.wrapper {
  display: flex;
  margin-top: 60px;
}

a {
  font-size: 16px;
  font-family: 'Noto Sans Japanese', sans-serif;
  line-height: 30px;
  color: #707070;
  text-decoration: none;
}

.oldlink {
  position: relative;
}

.oldlink a {
  position: absolute;
  font-size: 20px;
  top: 40px;
  right: 40px;
}

.container a:hover {
  color: #999;
}

.indent {
  padding-left: 1em;
  text-indent: -1em;
}

.acc-open{
	font-size: 20px;
	position: relative;
}
.acc-open::before{/* 閉じている時 */
	content: "＋";
  scale: 1.5;
	position: absolute;
  top: 8px;
	right: 40px;
}
.acc-open.active::before{/* 開いている時 */
	content: "－";
}

.accordion{
  display: none;
}

.content{
  width: 346px;
  margin-right: 31px;
}

.content:last-of-type{
  margin-right: 0;
}

.wrapper:last-of-type{
  margin-bottom: 180px;
}

.item {
  width: 318px;
  margin-left: 28px;
  margin-top: 40px;
}

.success-msg {
  display: none;
  position: fixed;
  width: 300px;
  height: 40px;
  line-height: 40px;
  background-color: #29aba4;
  color: #fff;
  top: 100px;
  left: 0;
  right: 0;
  margin: auto;
  text-align: center;
  border-radius: 5px;
}

.copy-link {
  display: inline-block;
  cursor: pointer;
  position: relative;
}

/* Tooltip */
.tooltip::after {
  content: 'Copied!';
  background: #555;
  display: inline-block;
  color: #fff;
  border-radius: .4rem;
  position: absolute;
  left: 50%;
  bottom: 2rem;
  transform: translate(-50%, 0);
  font-size: .75rem;
  padding: 4px 10px 6px 10px;
  animation: fade-tooltip .5s 1s 1 forwards;
}

/* Animation */
@keyframes fade-tooltip {
  to { opacity: 0; }
}

.flex {
  display: flex;
  align-items: center;
}