@charset "UTF-8";
/* テンプレート
------------------------*/
.template {
  background-color: #eee;
  width: 100%;
  height: 50px; }
  @media screen and (max-width: 640px) {
    .template {
      width: 100%;
      height: 25px;
      background-color: #999; } }

.wrap--m {
  position: relative;
  width: 100%;
  margin: auto;
  max-width: 980px; }
  @media screen and (max-width: 640px) {
    .wrap--m {
      width: 84.375%; } }

.headline .headline__inner {
  max-width: 100%;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  color: white;
  position: relative; }

.headline .headline__inner--toptitletext1 {
  font-size: 3rem;
  letter-spacing: 2px; }

@media screen and (max-width: 640px) {
  .headline .headline__inner--toptitletext1 {
    font-size: 2rem;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    text-align: center; } }

.position-headline {
  width:100%;
  text-align: center; }
  .position-headline img{
    width:100%; }

.pc {
  display: inline-block; }

.sp {
  display: none; }

@media screen and (max-width: 640px) {
  .pc {
    display: none; }
  .sp {
    display: inline-block; } }

.course {
  width: 100%;
  /* background: #65ae32; */
  background-image:url(../../img/kashiwa/course/202008/bk.png);
  text-align: center; }
  .course .course-title {
    margin-top: 5.469vw;
    margin-bottom: 2.344vw;
    text-align: center; }
    @media screen and (max-width: 640px) {
      .course .course-title {
        margin-top: 4.688vw;
        margin-bottom: 7.813vw; } }
  .course__list__box {
    margin-bottom: 7.031vw; }
  .course__list__box:last-child {
    margin-bottom: 9.375vw; }
    @media screen and (max-width: 640px) {
      .course__list__box:last-child {
        margin-bottom: 14.063vw; } }



.bk_triangle{
  position: relative;
  width:100%;
  max-width:1800px;
  margin:0 auto; }

.bk_triangle .triangle1,
.bk_triangle .triangle2,
.bk_triangle .triangle3,
.bk_triangle .triangle4{
  position: absolute; }

.bk_triangle .triangle1{
  left:58px;top:135px; }

.bk_triangle .triangle2{
  right:23px;top:515px; }

.bk_triangle .triangle3{
  left:85px;bottom:880px; }

.bk_triangle .triangle4{
  right:34px;bottom:157px; }