body {
  font-family: sans-serif;
  color:#333333;
  margin:0 auto;
  -webkit-text-size-adjust: 100%;
  max-width: 1000px;
  letter-spacing: 1px;
}

a {
  text-decoration: none;
  color: #3668CD;
}

.main {
  height: 100%;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.main_container {
  margin: 0 8px;
}


#top {
  margin: 0;
}


/*ヘッダー*/

#top {
  margin: 0;
}

.sp-menu {
  margin-right: auto;
  z-index: 999;
  padding-left: 28px;
}

.sp-menu #open {
  font-size: 32px;
  line-height: 50px;
  cursor: pointer;
}

/* .sp-menu #open.hide {
  display: none;
} */

.overlay {
  position: fixed;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  background: rgba(255, 255, 255, 0.95);
  text-align: center;
  padding: 64px 0px 0px 0px ;
  opacity: 0;
  pointer-events: none;
  transition: opacity .6s;
  background: #111;
  height: 345px;
  width: 283px;
  z-index: 999;
}

.overlay.show {
  opacity: 0.9;
  pointer-events: auto;
  padding-top: 0px;
}

.overlay #close {
  position: absolute;
  top: 16px;
  left: 32px;
  cursor: pointer;
  color: #fff;
  z-index: 99;
}

.overlay nav {
  position: relative;
  background: #111;
  height: 100%;
}

.overlay ul {
  list-style-type: none;
  margin: 12% 0 0 0;
  padding: 0;
  position: absolute;
}

.overlay li {
  margin-top: 42px;
  opacity: 0;
  transform: translateY(-16px);
  transition: opacity .3s, transform .3s;
  text-align: left;
  padding-left: 32px;
}

.overlay li:first-of-type {
  margin-top: 42px;
}

.overlay li a {
  text-decoration: none;
  display: inline-block;
  color: #fff;
  font-size: 17px;
  font-weight: normal;
}

.overlay.show li {
  opacity: 1;
  transform: none;
}

header {
  background-color: #fff;
  position: sticky;
  top: 0;
  z-index: 9;
}

header::after {
  content: '';
  display: block;
  clear: both;
}

.header_container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 50px;
  width: 100%;
}

.logo {
  width: 24%;
  max-width: 123px;
}

.logo img {
  width: 100%;
}

.search {
  width: fit-content;
  height: fit-content;
  padding-right: 19px;
}

.search img {
  width: 54%;
}
/*ヘッダー*/



p {
  line-height: 26px;
}

h1 {
  font-size: 22px;
  text-align: center;
  margin-top: 35px;
  margin-bottom: 30px;
  padding: 18px 10px;
  background: #f56c2d;
  color: #fff;
}

h2 {
  margin-top: 35px;
}

.heading_small {
  font-size: 18px;
  font-weight: normal;
}

.normal {
  font-weight: normal;
  font-size: 20px;
}

.toc {
  border: 1px solid #D9D9D9;
  width: 93%;
  margin: 35px 10px;
}

.program p {
  padding: 0 10px;
}

.program + .toc {
  margin-bottom: 35px;
}

.toc h3 {
  margin-top: 20px;
  margin-bottom: 20px;
  padding-left: 20px;
}

.toc h4 {
  margin-top: 25px;
  margin-bottom: 15px;
}

.toc ul {
  padding-left: 20px;
  padding-right: 20px;
  margin-bottom: 20px;
  margin-top: 20px;
}

.toc ol {
  padding-left: 0;
}

.toc li {
  list-style: none;
  margin-top: 15px;
}

.toc li a {
  color: inherit;
  text-decoration: none;
}

.toc ol li {
  text-indent: 0em;
  font-size: 14px;
}

.toc_small {
  font-size: 12px;
}

.small {
  font-size: 12px;
  font-weight: normal;
}

.anchor {
  padding-top: 60px;
  margin-top: -60px;
}

.anchor2 {
  padding-top: 40px;
  margin-top: -60px;
}

.wallpaper {
  height: 40px;
  background-color: #F7F7F7;
}

a:visited, a:hover, a:active {
  color: #3668CD;
  text-decoration: none;
}

.training {
  padding: 0 10px;
}

.training h3 {
  font-size: 15px;
  margin-top: 30px;
  margin-bottom: 5px;
}

.training_initial p {
  margin-top: 0px;
}

.training .video:last-of-type {
  margin-bottom: 35px;
}

#video_priority {
  margin-bottom: 0px;
}

.training + .wallpaper {
  margin-top: 35px;
}

.video {
  width: 100%;
  aspect-ratio: 5 / 3;
}

a:last-of-type {
  font-size: 15px;
}




.comment {
  padding-left: 10px;
}

.comment textarea {
  padding: 0.5em;
}

/*フッター*/

footer {
  font-size: 14px;
  text-align: center;
  margin-top: 30px;
}

form p:first-child {
  margin-top: 80px;
}

html {
  scroll-behavior: smooth;
}

.pagetop {
  height: 50px;
  width: 50px;
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: #f56c2d;
  opacity: 0.8;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}

.pagetop_arrow {
  height: 10px;
  width: 10px;
  border-top: 3px solid #fff;
  border-right: 3px solid #fff;
  transform: translateY(20%) rotate(-45deg);
}

/*フッター*/