@charset "UTF-8";
@import url("global.css");
.jp {
  font-family: 'Zen Old Mincho', "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
  font-weight: 500;
}

#pagetitle.image {
  height: 440px;
  margin-top: 0;
  margin-bottom: 80px;
}
#pagetitle.image .inner {
  text-align: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}
#pagetitle.image .inner .title_parts {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  z-index: 0;
  animation: titlebg .5s linear .3s 1;
  animation-fill-mode: both;
}
#pagetitle.image .bg {
  width: 100%;
  height: 440px;
  bottom: auto;
  z-index: 0;
}
#pagetitle.image .titleblock {
  width: auto;
  position: relative;
  z-index: 2;
  margin-top: 15px;
}
#pagetitle.image .pagetitle {
  text-align: center;
  z-index: 1;
}
#pagetitle.image .pagetitle .jp {
  animation: titlejp2 .5s linear .3s 1;
  animation-fill-mode: both;
  font-size: 16px;
}
#pagetitle.image .pagetitle .title_img {
  width: 530px;
  animation: titleen2 .6s ease-in-out .4s 1;
  animation-fill-mode: both;
}
#pagetitle.image .pagetitle .youtube_logo {
  width: 105px;
  margin: 10px auto 0;
  animation: titleen2 .7s ease-in-out .5s 1;
  animation-fill-mode: both;
}
#pagetitle.image #breadcrumbs {
  margin: 0;
  position: absolute;
  right: 0;
  bottom: -30px;
}

.flexinner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

#intro {
  padding-bottom: 100px;
}
#intro .about {
  padding: 30px 0;
  text-align: center;
}
#intro .about h3 {
  font-size: 26px;
  line-height: 1.6;
  margin-bottom: 30px;
}
#intro .about p {
  font-size: 15px;
  line-height: 2;
}
#intro .osusume_navi {
  margin: 90px 10px 30px;
  padding: 70px 30px 60px;
  position: relative;
  border-top: 2px solid #e7e7e7;
  border-bottom: 2px solid #e7e7e7;
}
#intro .osusume_navi .title {
  position: absolute;
  top: -55px;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  text-align: center;
  line-height: 2;
  padding: 0 60px;
}
#intro .osusume_navi .title .ph {
  width: 165px;
  margin: 0 auto;
}
#intro .osusume_navi .title span {
  font-size: 33px;
}
#intro .osusume_navi .flexinner {
  align-items: center;
}
#intro .osusume_navi .flexinner .block1 {
  width: 50%;
}
#intro .osusume_navi .flexinner .block1 a {
  background: #ECE5D5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 30px 35px;
}
#intro .osusume_navi .flexinner .block1 a .textarea {
  text-align: left;
}
#intro .osusume_navi .flexinner .block1 a .textarea P {
  font-size: 12px;
}
#intro .osusume_navi .flexinner .block1 a .textarea P br {
  display: none;
}
#intro .osusume_navi .flexinner .block1 a .textarea .block_th {
  font-size: 25px;
}
#intro .osusume_navi .flexinner .block1 a .textarea .block_th span em {
  color: #628EA5;
}
#intro .osusume_navi .flexinner .block1 a .textarea .block_th::after {
  content: "\f13a";
  font-family: "Font Awesome 6 free", "Font Awesome 6 Brands";
  font-weight: 900;
  font-size: 25px;
  letter-spacing: 0;
  line-height: 1;
  color: #2d2d2d;
  margin-left: 5px;
}
#intro .osusume_navi .flexinner .block1 a .imgarea {
  width: 20%;
  margin-left: 10px;
}
#intro .osusume_navi .flexinner .block1 a:hover {
  opacity: .8;
}
#intro .osusume_navi .flexinner .block2 {
  margin-left: 3%;
  width: 47%;
  text-align: left;
}
#intro .osusume_navi .flexinner .block2 h4 {
  font-size: 14px;
  font-weight: bold;
  margin: 5px 5px 10px;
  color: #8f8f8f;
}
#intro .osusume_navi .flexinner .block2 .movie_navi li {
  display: inline-block;
  margin-right: 15px;
  margin-bottom: 15px;
}
#intro .osusume_navi .flexinner .block2 .movie_navi li a {
  padding: 3px;
  font-size: 17px;
  border-bottom: 1px solid #8f8f8f;
}
#intro .osusume_navi .flexinner .block2 .movie_navi li a .arrow::after {
  content: "\f13a";
  font-family: "Font Awesome 6 free", "Font Awesome 6 Brands";
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
  color: #2d2d2d;
  margin-left: 20px;
  transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  -webkit-transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
#intro .osusume_navi .flexinner .block2 .movie_navi li a:hover {
  color: #628EA5;
}
#intro .osusume_navi .flexinner .block2 .movie_navi li a:hover .arrow::after {
  color: #628EA5;
}
#intro .youtbe_link {
  padding: 30px 0;
  text-align: center;
}
#intro .youtbe_link p {
  color: #8f8f8f;
  font-weight: bold;
}
#intro .youtbe_link button {
  position: relative;
  margin-top: 10px;
  border-radius: 50px;
}
#intro .youtbe_link button a {
  background: #e7e7e7;
  padding: 20px 30px;
  border-radius: 50px;
  display: block;
  width: 200px;
  justify-content: center;
  align-items: center;
}
#intro .youtbe_link button a:hover {
  background: #f3f3f3;
}
#intro .youtbe_link button a img {
  width: 85px;
}
#intro .youtbe_link button::after {
  content: "\f061";
  font-family: "Font Awesome 6 free", "Font Awesome 6 Brands";
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0;
  line-height: 1;
  color: #2d2d2d;
  position: absolute;
  right: 20px;
  top: 50%;
  pointer-events: none;
  transform: translateY(-50%);
}

#osusume {
  padding: 100px 0;
  background: url(../images/youtube/mainarea_bg.jpg) repeat left top;
}
#osusume .osusume_title {
  max-width: 80px;
  margin-right: 80px;
  z-index: 3;
  position: sticky;
  top: 150px;
  font-size: 38px;
  -webkit-writing-mode: vertical-rl;
  -moz-writing-mode: vertical-rl;
  -ms-writing-mode: tb-rl;
  writing-mode: vertical-rl;
  white-space: nowrap;
  display: inline-block;
  letter-spacing: .15em;
  text-align: left;
}
#osusume .osusume_title .sub {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-top: 5px;
}
#osusume .mainarea {
  width: 100%;
  margin-top: 100px;
}

.block_beginner {
  background: url(../images/youtube/note_bg.jpg) repeat center top;
  position: relative;
  padding: 0 80px 40px;
}
.block_beginner::before {
  content: "";
  width: 100%;
  height: 100px;
  background: url(../images/youtube/note_top.jpg) no-repeat center center;
  background-size: cover;
  position: absolute;
  top: -100px;
  left: 0;
  right: 0;
  z-index: 0;
}
.block_beginner .decoration {
  position: absolute;
  width: 190px;
  top: -130px;
  right: -50px;
}
.block_beginner .toparea {
  margin-bottom: 60px;
}
.block_beginner .toparea .titlearea {
  text-align: left;
  width: 45%;
  margin-right: 4%;
}
.block_beginner .toparea .titlearea .block_th {
  font-size: 36px;
  line-height: 1.3;
}
.block_beginner .toparea .titlearea .block_th em {
  color: #628EA5;
}
.block_beginner .toparea .titlearea .block_th .en {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  font-family: "EB Garamond", "Zen Old Mincho", "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
}
.block_beginner .toparea .textarea {
  width: 60%;
  font-size: 14px;
  line-height: 2.5;
}
.block_beginner .beginner_list {
  margin: 0 -30px;
  flex-wrap: wrap;
}
.block_beginner .beginner_list > li {
  width: 50%;
  margin-bottom: 60px;
}
.block_beginner .beginner_list > li a {
  display: block;
  margin: 0 30px;
}
.block_beginner .beginner_list > li a .inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.block_beginner .beginner_list > li a .inner .block1 h4 {
  font-size: 19px;
  line-height: 1.5;
  margin-left: 30px;
  margin-bottom: 10px;
  text-indent: -30px;
  transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  -webkit-transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.block_beginner .beginner_list > li a .inner .block1 h4::before {
  content: "";
  background-color: #628EA5;
  box-sizing: border-box;
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 100%;
  margin: 3px;
  margin-right: 8px;
  transition: all 0.3s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  -webkit-transition: all 0.3s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.block_beginner .beginner_list > li a .inner .block1 .comment {
  font-size: 14px;
  text-align: justify;
}
.block_beginner .beginner_list > li a .inner .block2 .thumbnail {
  aspect-ratio: 16 / 9;
  margin: 20px auto 10px;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  -webkit-transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.block_beginner .beginner_list > li a .inner .block2 .thumbnail img {
  transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  -webkit-transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.block_beginner .beginner_list > li a .inner .block2 .hash_tag {
  line-height: 1.4;
}
.block_beginner .beginner_list > li a .inner .block2 .hash_tag li {
  display: inline-block;
  font-size: 15px;
  color: #8f8f8f;
}
.block_beginner .beginner_list > li a .inner .block2 .hash_tag li + li {
  margin-left: 10px;
}
.block_beginner .beginner_list > li a:hover .inner .block1 h4 {
  color: #628EA5;
}
.block_beginner .beginner_list > li a:hover .inner .block2 .thumbnail {
  opacity: .8;
}
.block_beginner .beginner_list > li a:hover .inner .block2 .thumbnail img {
  transform: scale(1.03);
}

.block_seminar {
  margin: 60px auto;
  align-items: center;
  background: #fff;
  border: 1px solid #e7e7e7;
  overflow: hidden;
}
.block_seminar .ph {
  width: 28%;
  height: 100%;
}
.block_seminar .ph_box {
  position: relative;
  width: 28%;
  height: 420px;
}
.block_seminar .ph_box figure {
  position: absolute;
}
.block_seminar .ph_box figure.ph_l1 {
  width: 90%;
  max-width: 240px;
  left: 0;
  top: 0;
  animation: titlejp2 .5s linear .3s 1;
  animation-fill-mode: both;
}
.block_seminar .ph_box figure.ph_l2 {
  width: 110px;
  right: 0;
  top: 40%;
  z-index: -1;
  animation: titlejp2 .6s linear .4s 1;
  animation-fill-mode: both;
}
.block_seminar .ph_box figure.ph_l3 {
  width: 210px;
  left: 0;
  bottom: 0;
  animation: titlejp2 .7s linear .5s 1;
  animation-fill-mode: both;
}
.block_seminar .ph_box figure.ph_r1 {
  width: 160px;
  left: 20%;
  top: 0;
  animation: titlejp2 .5s linear .3s 1;
  animation-fill-mode: both;
}
.block_seminar .ph_box figure.ph_r2 {
  max-width: 280px;
  right: 0;
  bottom: 0;
  animation: titlejp2 .7s linear .5s 1;
  animation-fill-mode: both;
}
.block_seminar .ph_sp {
  display: none;
}
.block_seminar .text_box {
  width: 44%;
  text-align: center;
  padding: 10px 30px;
}
.block_seminar .text_box .titlearea .block_th {
  line-height: 1.3;
  color: #628EA5;
  font-weight: 700;
}
.block_seminar .text_box .titlearea .block_th span {
  padding-top: 5px;
  display: block;
  font-size: 32px;
}
.block_seminar .text_box .titlearea p {
  font-size: 18px;
  margin: 5px auto;
}
.block_seminar .text_box .theme {
  margin: 20px auto 25px;
}
.block_seminar .text_box .theme h4 {
  color: #8f8f8f;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: bold;
}
.block_seminar .text_box .theme .theme_list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 -5px;
}
.block_seminar .text_box .theme .theme_list li {
  width: 33.3%;
}
.block_seminar .text_box .theme .theme_list li .item {
  text-align: center;
  font-size: 12px;
  font-weight: bold;
  background: #e7e7e7;
  border-radius: 3px;
  padding: 15px 0;
  margin: 0 5px;
  line-height: 1.3;
}
.block_seminar .text_box .link_btn {
  margin: 0 auto;
}
.block_seminar .text_box .link_btn a {
  display: inline-block;
  padding: 8px 40px;
  color: #fff;
  font-size: 14px;
  font-weight: bold;
  background: #628EA5;
  border: 2px solid #628EA5;
  border-radius: 50px;
  position: relative;
}
.block_seminar .text_box .link_btn a::after {
  content: "\f054";
  font-family: "Font Awesome 6 free", "Font Awesome 6 Brands";
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
  color: #fff;
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
}
.block_seminar .text_box .link_btn a:hover {
  background: #fff;
  color: #628EA5;
}
.block_seminar .text_box .link_btn a:hover::after {
  color: #628EA5;
}

.block_category {
  padding: 60px 0;
}
.block_category .block_th {
  text-align: center;
  font-size: 26px;
  margin-bottom: 60px;
}
.block_category .block_th .en {
  display: block;
  font-size: 14px;
  font-family: "EB Garamond", "Zen Old Mincho", "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
}
.block_category .cattitle {
  font-family: 'Zen Old Mincho', "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
  font-weight: 500;
  font-size: 21px;
  background: #628EA5;
  padding: 10px 30px;
  text-align: center;
  margin-top: 80px;
  color: #fff;
}
.block_category section:first-of-type .cattitle {
  margin-top: 0;
}
.block_category ul.list {
  display: flex;
  flex-wrap: wrap;
  margin: 0 max(-2vw,-20px);
}
.block_category ul.list > li {
  width: 33.33333%;
  box-sizing: border-box;
  padding: 0 min(2vw,20px);
  margin-top: 60px;
  /*&.osusume_tag {
  	a::after {
  		content: "オススメ";
  		position: absolute;
  		top: -20px;
  		left: -20px;
  		border: #fff 2px solid;
  		background-color: $yellow;
  		color: #fff;
  		width: 60px;
  		height: 60px;
  		border-radius: 50%;
  		text-align: center;
  		line-height: 1.1;
  		@include serif;
  		align-content: center;
  		box-sizing: border-box;
  		padding: 0 8px;
  	}
  }*/
}
.block_category ul.list > li .item {
  display: flex;
  align-content: space-between;
}
.block_category ul.list > li .item a {
  display: block;
  position: relative;
  text-align: left;
}
.block_category ul.list > li .item a .title {
  font-size: 16px;
  line-height: 1.5;
  margin: 20px auto 10px;
  letter-spacing: 0;
  transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  -webkit-transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  font-family: 'Zen Old Mincho', "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
  font-weight: 500;
}
.block_category ul.list > li .item a .thumbnail {
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  -webkit-transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.block_category ul.list > li .item a .thumbnail img {
  transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  -webkit-transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0s;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.block_category ul.list > li .item a .hash_tag {
  line-height: 1.4;
}
.block_category ul.list > li .item a .hash_tag li {
  display: inline-block;
  font-size: 13px;
  color: #8f8f8f;
  margin-right: 10px;
}
.block_category ul.list > li .item a:hover .title {
  color: #628EA5;
}
.block_category ul.list > li .item a:hover .thumbnail {
  opacity: .8;
}
.block_category ul.list > li .item a:hover .thumbnail img {
  transform: scale(1.03);
}

/* ------------------------------------------------------------------------------------------------------------------------

 Responsive-Breakpoint-1 (1300px)

------------------------------------------------------------------------------------------------------------------------ */
@media only screen and (max-width: 1300px) {
  #intro .osusume_navi {
    padding: 70px 15px 60px;
  }
  #intro .osusume_navi .flexinner .block1 {
    width: 45%;
    min-width: 380px;
  }
  #intro .osusume_navi .flexinner .block1 a {
    justify-content: center;
    padding: 25px;
  }
  #intro .osusume_navi .flexinner .block1 a .textarea {
    text-align: center;
  }
  #intro .osusume_navi .flexinner .block1 a .textarea p br {
    display: block;
  }
  #intro .osusume_navi .flexinner .block1 a .textarea .block_th {
    margin-top: 5px;
    font-size: 24px;
    line-height: 1.3;
  }
  #intro .osusume_navi .flexinner .block1 a .textarea .block_th span em {
    display: block;
  }
  #intro .osusume_navi .flexinner .block1 a .imgarea {
    margin-left: 20px;
    min-width: 100px;
  }
  #intro .osusume_navi .flexinner .block2 {
    width: 55%;
  }

  #osusume .osusume_title {
    margin-right: 40px;
  }

  .block_beginner {
    padding: 0 50px 40px;
  }
  .block_beginner .toparea .titlearea {
    width: 50%;
    margin-right: 3%;
  }
  .block_beginner .toparea .titlearea .block_th {
    font-size: 32px;
  }
  .block_beginner .toparea .textarea {
    width: 55%;
    line-height: 2;
  }
  .block_beginner .beginner_list {
    margin: 0 -20px;
  }
  .block_beginner .beginner_list > li a {
    margin: 0 20px;
  }
  .block_beginner .beginner_list > li a .inner .block1 h4 {
    margin-left: 20px;
    text-indent: -20px;
  }

  .block_seminar .ph {
    width: 25%;
  }
  .block_seminar .ph_box {
    width: 25%;
    height: 35vw;
  }
  .block_seminar .ph_box figure.ph_l1 {
    width: 90%;
  }
  .block_seminar .ph_box figure.ph_l2 {
    width: 46%;
    top: 12.5vw;
  }
  .block_seminar .ph_box figure.ph_l3 {
    width: 80%;
  }
  .block_seminar .ph_box figure.ph_r1 {
    width: 60%;
    left: 20%;
  }
  .block_seminar .ph_box figure.ph_r2 {
    width: auto;
  }
  .block_seminar .text_box {
    width: 50%;
    padding: 10px 20px;
  }
  .block_seminar .text_box .titlearea .block_th span {
    font-size: 2.5vw;
  }
  .block_seminar .text_box .titlearea p {
    font-size: 1.8vw;
  }
  .block_seminar .text_box .theme {
    margin: 20px auto;
  }
  .block_seminar .text_box .theme .theme_list li .item {
    font-size: 1vw;
  }
  .block_seminar .text_box .link_btn a {
    padding: 8px 30px;
  }

  .block_category .block_th {
    margin-bottom: 50px;
  }
  .block_category ul.list {
    margin: 0 max(-2vw,-15px);
  }
  .block_category ul.list > li {
    padding: 0 min(2vw,15px);
    margin-top: 50px;
  }
  .block_category ul.list > li .item a .hash_tag li {
    margin-right: 6px;
  }
}
/* ------------------------------------------------------------------------------------------------------------------------

 Responsive-Breakpoint-2 ( 960px )

------------------------------------------------------------------------------------------------------------------------ */
@media only screen and (max-width: 959px) {
  #pagetitle.image {
    height: 320px;
    margin-bottom: 40px;
  }
  #pagetitle.image .inner .title_parts {
    width: 78vh;
  }
  #pagetitle.image .bg {
    height: 320px;
  }
  #pagetitle.image .pagetitle .jp {
    font-size: min(30px, 1.8vw);
  }
  #pagetitle.image .pagetitle .title_img {
    width: 40vw;
  }
  #pagetitle.image .pagetitle .youtube_logo {
    width: 10vw;
  }

  #intro {
    padding-bottom: 90px;
  }
  #intro .about h3 {
    font-size: 24px;
    line-height: 1.5;
  }
  #intro .about p {
    font-size: 14px;
    line-height: 1.8;
  }
  #intro .about p br {
    display: none;
  }
  #intro .osusume_navi {
    padding: 60px 5px 40px;
  }
  #intro .osusume_navi .title {
    top: -42px;
    line-height: 1.8;
    padding: 0 30px;
  }
  #intro .osusume_navi .title .ph {
    width: 160px;
  }
  #intro .osusume_navi .title span {
    font-size: 28px;
  }
  #intro .osusume_navi .flexinner {
    flex-direction: column;
  }
  #intro .osusume_navi .flexinner .block1 {
    width: 100%;
    max-width: 600px;
  }
  #intro .osusume_navi .flexinner .block1 a .textarea {
    text-align: left;
  }
  #intro .osusume_navi .flexinner .block1 a .textarea P {
    font-size: 14px;
  }
  #intro .osusume_navi .flexinner .block1 a .textarea .block_th {
    font-size: 26px;
  }
  #intro .osusume_navi .flexinner .block1 a .imgarea {
    width: 25%;
    margin-left: 30px;
  }
  #intro .osusume_navi .flexinner .block2 {
    margin: 30px auto 0;
    width: auto;
    max-width: 600px;
    padding: 0;
  }
  #intro .youtbe_link {
    padding: 20px 0;
  }
  #intro .youtbe_link button a {
    padding: 15px 25px;
    width: 180px;
  }
  #intro .youtbe_link button a img {
    width: 80px;
  }

  #osusume {
    padding: 90px 0;
  }
  #osusume > .wrapper > .flexinner {
    flex-direction: column;
  }
  #osusume .osusume_title {
    max-width: inherit;
    margin: 0 auto;
    margin-bottom: 30px;
    position: relative;
    top: auto;
    font-size: 24px;
    writing-mode: inherit;
    white-space: inherit;
    display: inline-block;
    letter-spacing: 0.1em;
    text-align: center;
  }
  #osusume .osusume_title .sub {
    font-size: 14px;
  }
  #osusume .mainarea {
    width: auto;
    margin-top: 75px;
  }

  .block_beginner {
    padding: 0 40px 30px;
  }
  .block_beginner::before {
    top: -75px;
  }
  .block_beginner .decoration {
    width: 180px;
    top: -100px;
    right: -30px;
  }
  .block_beginner .toparea {
    margin-bottom: 50px;
    flex-direction: column;
  }
  .block_beginner .toparea .titlearea {
    width: auto;
    margin: 0;
  }
  .block_beginner .toparea .titlearea .block_th {
    font-size: 26px;
  }
  .block_beginner .toparea .titlearea .block_th br {
    display: none;
  }
  .block_beginner .toparea .textarea {
    width: auto;
    margin-top: 20px;
  }
  .block_beginner .beginner_list {
    margin: 0 -15px;
  }
  .block_beginner .beginner_list > li {
    margin-bottom: 50px;
  }
  .block_beginner .beginner_list > li a {
    margin: 0 15px;
  }
  .block_beginner .beginner_list > li a .inner .block1 h4 {
    font-size: 16px;
    margin-left: 10px;
    text-indent: -17px;
  }
  .block_beginner .beginner_list > li a .inner .block1 h4::before {
    width: 8px;
    height: 8px;
    margin-right: 6px;
  }
  .block_beginner .beginner_list > li a .inner .block2 .hash_tag li {
    font-size: 13px;
  }
  .block_beginner .beginner_list > li a .inner .block2 .hash_tag li + li {
    margin-left: 8px;
  }

  .block_seminar .ph_box {
    height: 45vw;
  }
  .block_seminar .ph_box figure.ph_l1 {
    width: 95%;
  }
  .block_seminar .ph_box figure.ph_l2 {
    width: 50%;
    top: 15vw;
  }
  .block_seminar .ph_box figure.ph_l3 {
    width: 90%;
  }
  .block_seminar .ph_box figure.ph_r1 {
    width: 75%;
  }
  .block_seminar .ph_box figure.ph_r2 {
    width: auto;
  }
  .block_seminar .text_box {
    padding: 25px 10px;
  }
  .block_seminar .text_box .titlearea .block_th span {
    font-size: 20px;
  }
  .block_seminar .text_box .titlearea p {
    font-size: 16px;
  }
  .block_seminar .text_box .theme .theme_list {
    flex-wrap: wrap;
    justify-content: center;
  }
  .block_seminar .text_box .theme .theme_list li {
    width: 50%;
    margin-bottom: 10px;
  }
  .block_seminar .text_box .theme .theme_list li .item {
    margin: 0 5px;
    padding: 5px 0;
    font-size: 13px;
  }
  .block_seminar .text_box .link_btn a {
    font-size: 13px;
  }

  .block_category {
    padding: 30px 0;
  }
  .block_category .block_th {
    font-size: 24px;
    margin-bottom: 40px;
  }
  .block_category .block_th .en {
    font-size: 13px;
  }
  .block_category .cattitle {
    font-size: 18px;
    padding: 10px 20px;
    margin-top: 60px;
  }
  .block_category ul.list {
    margin: 0 max(-2vw,-10px);
  }
  .block_category ul.list > li {
    padding: 0 min(2vw,10px);
    margin-top: 40px;
  }
  .block_category ul.list > li .item a .title {
    font-size: 15px;
    line-height: 1.5;
    margin: 15px auto 10px;
  }
  .block_category ul.list > li .item a .hash_tag li {
    font-size: 12px;
    margin-right: 5px;
  }
}
/* ------------------------------------------------------------------------------------------------------------------------

 Responsive-Breakpoint-3 ( 644px )
 
------------------------------------------------------------------------------------------------------------------------ */
@media only screen and (max-width: 644px) {
  #pagetitle.image {
    height: 160px;
    margin-top: 70px;
    margin-bottom: 20px;
  }
  #pagetitle.image .inner {
    height: 100%;
    display: flex;
  }
  #pagetitle.image .inner .title_parts {
    width: 400px;
  }
  #pagetitle.image .bg {
    position: absolute;
    height: 160px;
    margin: 0;
  }
  #pagetitle.image .titleblock {
    margin-top: -10px;
    width: auto;
  }
  #pagetitle.image .pagetitle .jp {
    font-size: 10px;
    margin-bottom: 0px;
    letter-spacing: 0;
  }
  #pagetitle.image .pagetitle .title_img {
    width: 200px;
  }
  #pagetitle.image .pagetitle .youtube_logo {
    margin-top: 0;
    width: 60px;
  }
  #pagetitle.image #breadcrumbs {
    bottom: -25px;
    color: #2d2d2d;
  }

  #intro {
    padding-bottom: 60px;
  }
  #intro .about h3 {
    font-size: 18px;
  }
  #intro .about p {
    text-align: justify;
  }
  #intro .about p + p {
    margin-top: 10px;
  }
  #intro .osusume_navi {
    margin: 60px 5px 20px;
    padding: 40px 5px 30px;
  }
  #intro .osusume_navi .title {
    top: -30px;
    line-height: 1.6;
    padding: 0 10px;
    width: 150px;
  }
  #intro .osusume_navi .title .ph {
    width: 120px;
  }
  #intro .osusume_navi .title span {
    font-size: 18px;
  }
  #intro .osusume_navi .flexinner .block1 {
    width: auto;
    min-width: inherit;
  }
  #intro .osusume_navi .flexinner .block1 a {
    padding: 15px;
  }
  #intro .osusume_navi .flexinner .block1 a .textarea P {
    font-size: 12px;
  }
  #intro .osusume_navi .flexinner .block1 a .textarea .block_th {
    font-size: 16px;
  }
  #intro .osusume_navi .flexinner .block1 a .textarea .block_th::after {
    font-size: 16px;
  }
  #intro .osusume_navi .flexinner .block1 a .imgarea {
    min-width: 80px;
    width: 20%;
    margin-left: 15px;
  }
  #intro .osusume_navi .flexinner .block2 {
    margin: 30px auto 0;
  }
  #intro .osusume_navi .flexinner .block2 h4 {
    text-align: center;
    margin: 0 auto 10px;
  }
  #intro .osusume_navi .flexinner .block2 .movie_navi {
    display: flex;
    flex-wrap: wrap;
    margin: -5px;
  }
  #intro .osusume_navi .flexinner .block2 .movie_navi li {
    width: 50%;
    margin: 0;
  }
  #intro .osusume_navi .flexinner .block2 .movie_navi li a {
    display: block;
    font-size: 14px;
    margin: 5px;
    padding: 0 5px;
    position: relative;
    letter-spacing: 0;
  }
  #intro .osusume_navi .flexinner .block2 .movie_navi li a .arrow::after {
    position: absolute;
    right: 5px;
    top: 5px;
  }
  #intro .youtbe_link {
    padding: 10px 0;
  }
  #intro .youtbe_link p {
    font-size: 12px;
  }
  #intro .youtbe_link button a {
    padding: 15px 20px;
    width: 160px;
  }
  #intro .youtbe_link button a img {
    width: 80px;
  }

  #osusume {
    padding: 60px 0;
  }
  #osusume .osusume_title {
    margin-bottom: 20px;
    font-size: 20px;
  }
  #osusume .osusume_title .sub {
    font-size: 12px;
  }
  #osusume .mainarea {
    width: auto;
  }

  .block_beginner {
    padding: 0 30px 20px;
  }
  .block_beginner .decoration {
    width: 26vw;
    top: -75px;
    right: -10px;
  }
  .block_beginner .toparea {
    margin-bottom: 40px;
  }
  .block_beginner .toparea .titlearea .block_th {
    font-size: 18px;
    letter-spacing: 0;
  }
  .block_beginner .toparea .textarea {
    font-size: 12px;
    line-height: 1.8;
  }
  .block_beginner .beginner_list {
    margin: 0 -1vw;
  }
  .block_beginner .beginner_list > li {
    border-bottom: 1px solid #8f8f8f;
    width: auto;
    margin-bottom: 20px;
    padding-bottom: 20px;
  }
  .block_beginner .beginner_list > li:last-child {
    border-bottom: none;
  }
  .block_beginner .beginner_list > li a {
    margin: 0 1vw;
  }
  .block_beginner .beginner_list > li a .inner .block1 h4 {
    font-size: 16px;
    margin-left: 0;
    text-indent: inherit;
    color: #628EA5;
  }
  .block_beginner .beginner_list > li a .inner .block1 h4::before {
    content: none;
  }
  .block_beginner .beginner_list > li a .inner .block1 .comment {
    font-size: 12px;
    letter-spacing: 0;
  }
  .block_beginner .beginner_list > li a .inner .block2 .thumbnail {
    margin: 15px auto 5px;
  }
  .block_beginner .beginner_list > li a .inner .block2 .hash_tag li {
    font-size: 12px;
  }
  .block_beginner .beginner_list > li a .inner .block2 .hash_tag li + li {
    margin-left: 5px;
  }

  .block_seminar {
    margin: 30px auto;
    flex-direction: column;
  }
  .block_seminar .ph {
    display: none;
  }
  .block_seminar .ph_box {
    display: none;
  }
  .block_seminar .ph_sp {
    display: block;
  }
  .block_seminar .text_box {
    padding: 30px 10px;
    width: auto;
  }
  .block_seminar .text_box .titlearea p {
    font-size: 14px;
  }
  .block_seminar .text_box .theme .theme_list {
    flex-wrap: wrap;
    justify-content: center;
    margin: 0 auto;
  }
  .block_seminar .text_box .theme .theme_list li {
    width: 50%;
    margin-bottom: 10px;
  }
  .block_seminar .text_box .theme .theme_list li .item {
    margin: 0 5px;
    padding: 10px 0;
    font-size: 13px;
  }
  .block_seminar .text_box .link_btn a {
    font-size: 14px;
    padding: 6px 40px;
  }
  .block_seminar .text_box .link_btn a:hover {
    background: #628EA5;
    color: #fff;
  }
  .block_seminar .text_box .link_btn a:hover::after {
    color: #fff;
  }

  .block_category .block_th {
    font-size: 20px;
    margin-bottom: 30px;
  }
  .block_category .cattitle {
    font-size: 18px;
    padding: 5px 10px;
    margin-top: 40px;
  }
  .block_category ul.list {
    margin: 0 -1.5vw;
  }
  .block_category ul.list > li {
    padding: 0 1.5vw;
    margin-top: 30px;
    width: 50%;
  }
  .block_category ul.list > li .item a .title {
    font-size: 13px;
    margin: 10px auto 5px;
  }
  .block_category ul.list > li .item a .hash_tag {
    line-height: 1.2;
  }
  .block_category ul.list > li .item a .hash_tag li {
    font-size: 10px;
    margin-right: 5px;
  }
}