@charset "utf-8";

* {
  margin: 0;
  padding: 0;
}

html {
  height: 100%;
  overflow-y: scroll;
  scroll-behavior: smooth;
}

body {
  height: 100%;
  font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "Hiragino Sans W3", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", sans-serif;

}

img {
  display: block;
  max-width: 100%;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

:root {
  --font-family-mincho: "游明朝", YuMincho, "Hiragino Mincho ProN W3", "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝", "ＭＳ 明朝", serif;
  --font-family-gothic: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "Hiragino Sans W3", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", sans-serif;
  --main-color: #e73736;
  --hover-color: #ff0707;
  --table-color: #eca691;
  --accent-color: #FAEE00;
}

.red {
  color: var(--main-color);
}

.taC {
  text-align: center;
}

/* ハンバーガーメニュー */
.global_nav_menu {
  display: flex;
  align-items: center;
  width: 36px;
  height: 36px;
  cursor: pointer;
  z-index: 10;
}

.global_nav_menu_line {
  display: block;
  width: 100%;
  height: 3px;
  border-radius: 3px;
  background-color: #666;
  position: relative;
  transition: all 0.5s;
}

.global_nav_menu_line::before,
.global_nav_menu_line::after {
  content: '';
  display: block;
  width: 100%;
  height: 3px;
  border-radius: 3px;
  background-color: #666;
  position: absolute;
  transition: all 0.5s;
}

.global_nav_menu_line::before {
  transform: translateY(-12px);
}

.global_nav_menu_line::after {
  transform: translateY(12px);
}

.global_nav_menu.open .global_nav_menu_line {
  background-color: transparent;
}

.global_nav_menu.open .global_nav_menu_line::before {
  background-color: #fff;
  transform: rotate(45deg);
}

.global_nav_menu.open .global_nav_menu_line::after {
  background-color: #fff;
  transform: rotate(-45deg);
}

/* ナビゲーション */
.global_nav {
  display: block;
  position: fixed;
  top: 0;
  right: calc(-100% + -20px);
  width: 100%;
  height: 100%;
  padding: 60px 10px 0;
  background-color: rgba(10, 10, 10, 0.9);
  text-align: left;
  transition: right 0.5s;
  z-index: 8;
}

.global_nav.open {
  right: 0;
}

.global_nav a {
  display: inline-block;
  padding: 5px 0;
}

nav.global_nav ul {
  font-family: var(--font-family-mincho);
  list-style: none;
  margin: 0 auto;
  padding: 0;
  text-align: center;
}

nav.global_nav ul li {
  margin: 0;
}

nav.global_nav ul li a {
  display: block;
  padding: 1em 0;
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  letter-spacing: 4px;
  text-decoration: none;
  transition-duration: 0.2s;
}

nav.global_nav ul li a:hover {
  background-color: var(--main-color);
  opacity: 0.9;
}


/* body */
body {
  color: #333;
  line-height: 1.8;
}

/* header */
#header {
  position: fixed;
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 12px 0 6px;
  background: #fff;
  z-index: 1;
}

.header_left {
  margin-left: 23px;
}

.header_logo {
  width: 180px;
}

.header_right {
  display: flex;
  margin-right: 23px;
}

.icon_sns {
  display: inline-flex;
  width: clamp(30px, 5vw, 36px);
  height: 36px;
  align-items: center;
  margin-right: 12px;
  transition: .2s;
}

.icon_sns:hover {
  background-color: #FFF;
  opacity: 0.7;
}

.icon_sns_tw {
  margin-right: 23px;
}

/* SNS-ICONS */
.icon_sns_ig img {
  width: 100%;
  margin: auto;
}

.icon_sns_fb img {
  width: 100%;
  margin: auto;
}

.icon_sns_tw img {
  width: 100%;
  margin: auto;
}


main {
  padding-top: 60px;
}

#key_visual {
  background-color: #E73735;
}

div.contents_wrap {
  padding-top: 16px;
}

#read.container {
  width: clamp(370px, 90vw, 1000px);
  margin: 0 auto 0 auto;
  padding-top: 2em;
}

#read.container p {
  font-family: var(--font-family-mincho);
  margin: 0 auto 27px;
  font-size: 18px;
}

div#exhibition_lineup {}


div.flexbox_exh_img {
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

div.box_exh_img {
  align-self: flex-end;
}

div.box_exh_img .exh_img {
  margin: 0 auto;
}

.img_read-1 {
  width: clamp(160px, 25vw, 250px);
}

.img_read-2 {
  width: clamp(200px, 30vw, 350px);
}

.img_read-3 {
  width: clamp(160px, 25vw, 250px);
}


div.box_exh_img .exh_title {
  font-family: var(--font-family-gothic);
  font-weight: bold;
  margin: 20px 0 0 0;

}

div.box_exh_img .exh_note {
  font-size: 13px;
  margin: 0 auto;
}

div.container {
  margin: 0 auto;
  padding-top: 56px;
  width: clamp(370px, 90vw, 900px);
}

#material.container {
  padding-top: 0;
}

h2 {
  font-family: var(--font-family-mincho);
  font-size: 32px;
  text-align: center;
  margin-bottom: 1em;
  font-weight: normal;
}

h2 span {
  background-color: #e73736;
  border: 1px solid #dc3231;
  color: #fff;
  padding: 6px;
  margin: 0 1px;
}

div.wrap_chapter {
  margin: 32px 0 64px 0;
}

div.wrap_chapter h3 {
  font-family: var(--font-family-mincho);
  display: flex;
  align-items: center;
  position: relative;
}

div.wrap_chapter h3::before {
  position: absolute;
  content: "";
  width: 45px;
  height: 45px;
  background-color: transparent;
  border: 2px solid #dc3231;
  left: 15px;
  top: 12px;
}

div.wrap_chapter h3 span {
  display: inline-flex;
}

div.wrap_chapter h3 span.romeNum {
  font-size: 42px;
  color: #333;
  text-shadow: #aaa 2px 0;
  padding: 0 18px;
  margin-right: 10px;
  align-self: flex-start;
}

div.wrap_chapter h3 span.title {
  font-size: 30px;
  font-weight: normal;
}

#exhibition_lineup.container p.read {
  font-family: var(--font-family-mincho);
  width: clamp(370px, 80vw, 800px);
  margin: 1em auto;
}


div.flexbox_chap {
  display: flex;
  justify-content: space-around;
  width: clamp(370px, 84vw, 840px);
  margin: 4em auto;
}


div.chap_3_1 {
  margin-bottom: 120px;
}

div.chap_3_2 {
  margin-bottom: 120px;
}

div.chap_3_3 {
  margin-bottom: 120px;
}

div.chap_3_4 {
  margin-bottom: 120px;
}


div.chap_5 {
  flex-wrap: wrap;
  justify-content: center;
}

div.chap_5_2 {
  justify-content: space-between;
}

div.chap_5_3 {
  justify-content: flex-start;
}

div.chap_5_4 {
  justify-content: flex-start;
}

.child_box {
  padding: 0 10px;
  align-self: auto;
}


.inner_flexbox {
  display: flex;
  justify-content: space-between;

}

div.image_cap {
  align-self: flex-end;
}

.img_01-1 {
  width: clamp(192px, 25vw, 255px);
}

.img_01-2 {
  width: clamp(284px, 37vw, 372px);
}

.img_01-1-ci {
  width: clamp(90px, 13vw, 126px);
  margin-left: clamp(12px, 2vw, 32px)
}

.img_02-1 {
  width: clamp(250px, 33vw, 330px);
}

.img_02-1-ci {
  width: clamp(192px, 25vw, 252px);
  ;
  margin: 70px 0 70px 0;
}

.img_03-1 {
  width: clamp(490px, 64vw, 640px);
}

.img_03-1-ci {
  width: clamp(77px, 11vw, 112px);
  margin: 25px 25px 0 0;
}

.img_03-2 {
  width: clamp(268px, 35vw, 350px);
  margin: 0 auto;
}

.img_03-2-ci {
  width: clamp(260px, 34vw, 340px);
  margin: 150px auto 180px auto;
}

.img_03-3 {
  width: clamp(314px, 41vw, 410px);
  margin: 0 auto;
}

.img_03-3-ci {
  width: clamp(284px, 37vw, 375px);
  margin: 0 auto 80px auto;
}

.img_03-4 {
  width: clamp(368px, 48vw, 484px);
  margin: 0 auto;
}

.img_03-4-ci {
  width: clamp(215px, 28vw, 280px);
  margin: 25% auto 29px auto;
}

.img_05-1 {
  width: clamp(250px, 33vw, 330px);
  margin: 0 6% 6% 0;
}

.img_05-2 {
  width: clamp(250px, 33vw, 330px);
  margin: 0 6% 0 6%;
}

.img_05-1-ci {
  width: clamp(200px, 26vw, 265px);
  margin: 1em 0 0 20%;
}

.chap_5 .box_info {
  width: clamp(250px, 47vw, 470px);
}


.img_05-3 {
  width: clamp(290px, 38vw, 380px);
  margin: 0 0 0 auto;
}

.img_05-4 {
  width: clamp(215px, 28vw, 284px);
  margin: 0 auto 0 0;
}

.img_05-2-ci {
  width: clamp(200px, 26vw, 265px);
  margin: 1em 0 0 0;
}

.img_05-5 {
  width: clamp(380px, 62vw, 620px);
  margin: 0 auto;
}

.img_05-6 {
  width: clamp(380px, 53vw, 528px);
  margin: 0 0 0 auto;
}

.img_05-3-ci {
  width: clamp(138px, 18vw, 186px);
  margin: -5em 0 0 3em;
}

.box_info {
  margin-top: 1em;
}

.box_info .title {
  font-size: 18px;
  font-weight: bold;
}


.wrap_innerbox {
  font-family: var(--font-family-mincho);
  width: clamp(290px, 78vw, 780px);
  margin: 0 auto;
}

.wrap_innerbox p {
  margin: 0 0 2em 0;
}



/* 開催概要 */
.wrap_innertable_summary {
  width: clamp(370px, 84vw, 840px);
  margin: 0 auto;
}

.wrap_innertable_summary .inner_dl_table {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 16px;
  font-size: 13px;
}

.wrap_innertable_summary .inner_dl_table dt {
  background-color: var(--table-color);
  border: 1px solid #e8e8e8;
  width: 80px;
  padding: 7px 14px;
  font-weight: bold;
}

.wrap_innertable_summary .inner_dl_table dd {
  background-color: #fff;
  border: 1px solid #e8e8e8;
  width: calc(100% - 140px);
  padding: 7px 14px;
}


/* 観覧料 Table(PC) */
table.fee_table {
  margin: 1em auto;
  width: 100%;
  border-collapse: collapse;
}

table.fee_table th,
table.fee_table td {
  text-align: left;
  padding: 1em 0;
}

table.fee_table th.exh {
  border-top: 1px solid #fff;
  padding: 2px 0;
  text-align: center;
}

table.fee_table th.for {
  border: 1px solid #5db1d4;
  background-color: #9bd7f6;
  padding: 1em 1em;
}

table.fee_table td.fee {
  border: 1px solid #5db1d4;
  text-align: center;
  width: clamp(100px, 25vw, 260px);
}

/* 観覧料 Table(SP) */
div.exh {
  font-weight: bold;
}

ul.fee_list {
  margin-left: 1em;
  margin-bottom: 1em;
  list-style-type: none;
}

ul.fee_list li {
  line-height: 1.8;
}

table.fee_list th,
table.fee_list td {
  text-align: left;
  padding: 1em 0;
}

table.fee_list th.exh {
  border-top: 1px solid #fff;
  padding: 2px 0;
  text-align: center;
}

table.fee_list th.for {
  border: 1px solid #5db1d4;
  background-color: #9bd7f6;
  padding: 1em 1em;
}

table.fee_list td.fee {
  border: 1px solid #5db1d4;
  text-align: center;
  width: clamp(100px, 25vw, 260px);
}

.content_inner_comment {
  font-size: 13px;
}




/* 関連イベント */
#event  div.note {
  font-size: 14px;
  margin: .5em auto;
}

.wrap_innertable_event {
  width: clamp(300px, 84vw, 840px);
  margin: 0 auto;
}

#event h3 {
  font-family: var(--font-family-mincho);
  border-bottom: 1px solid #000;
  margin: 0 0 1em 0;
  padding: 0;
  height: clamp(40px, 7.4vw, 74px);
}

#event h3 span {
  /* display: inline-block; */
}

#event h3 span.num {
  font-size: clamp(30px, 3.8vw, 48px);
  color: #000;
  margin-right: 12px;
}

#event h3 span.title {
  font-size: clamp(18px, 2.3vw, 24px);
  font-weight: normal;

}

#event h3 span.subtitle {
  font-family: var(--font-family-gothic);
  font-size: clamp(12px, 2vw, 18px);
  font-weight: bold;
  margin-left: 1em;
}

#event .flexbox_app_btn {
  display: flex;
  justify-content: space-between;
  margin: 0 auto 60px auto;
  flex-wrap: wrap;
}

#event .flexbox_app_btn .wrap_btn {
  flex-basis: 50%;
}

#event .btn_white {
  width: 94%;
  border-radius: 28px;
  border: 2px solid var(--main-color);
  text-align: center;
  margin: 0 auto;
  position: relative;
}

#event .btn_white::after {
  position: absolute;
  width: 16px;
  height: 16px;
  content: "▲";
  transform: rotate(90deg);
  right: 8px;
  top: 11px;
}

#event .btn_white:hover {
  background-color: var(--main-color);
}

#event .btn_white:hover::after {
  color: #fff;
}

#event .btn_white a {
  display: inline-flex;
  padding: 6px 0;
  width: 100%;
  height: 100%;
  font-size: 14px;
  font-weight: bold;
  color: #000;
  text-decoration: none;
  justify-content: center;
  letter-spacing: 0.5px;
}

#event .btn_white a:hover {
  color: #fff;
}


#event .btn_app_course {
  width: clamp(320px, 42%, 420px);
  border-radius: 28px;
  text-align: center;
  margin: 10px auto;
}

#event .btn_app_course:hover {
  width: clamp(380px, 46%, 460px);
  transition: .3s;
}

#event .btn_app_course a {
  display: inline-flex;
  padding: 6px 0;
  width: 100%;
  height: 100%;
  font-weight: bold;
  text-decoration: none;
  justify-content: center;
  letter-spacing: 0.5px;
}

#event .btn_red {
  background-color: var(--main-color);
}

#event .btn_red:hover {
  background-color: var(--hover-color)
}

#event .btn_red a {
  color: #fff;
}

#event .btn_red a:hover {
  color: #fff;
}

#event .btn_blue {
  background-color: #0069b0;
}

#event .btn_blue:hover {
  background-color: #0026b0;
}

#event .btn_blue a {
  color: #fff;
}

#event .btn_blue a:hover {
  color: #fff;
}

/* 終了しました */
#event .btn_white_finished {
  width: 94%;
  border-radius: 28px;
  border: 2px solid #333;
  text-align: center;
  margin: 0 auto;
  position: relative;
  background-color: #666;
}

#event .btn_white_finished a {
  display: inline-flex;
  padding: 6px 0;
  width: 100%;
  height: 100%;
  font-size: 14px;
  font-weight: bold;
  color: #000;
  text-decoration: none;
  justify-content: center;
  letter-spacing: 0.5px;
}

#event .btn_app_course_finished {
  width: clamp(320px, 42%, 420px);
  border-radius: 28px;
  text-align: center;
  margin: 10px auto;
  background-color: #666;
  position: relative;
}

#event .btn_app_course_finished a {
  display: inline-flex;
  padding: 6px 0;
  width: 100%;
  height: 100%;
  font-weight: normal;
  text-decoration: none;
  justify-content: center;
  color:#333;
}

.layer_finished {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.finished {
  position: absolute;
  color: #fff;
  font-weight: bold;
  font-size:1em;
  letter-spacing: 10px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
}


#event .wrap_btn .note {
  font-size: 13px;
  margin-left: 40px;
}

#event .wrap_btn .note2 {
  font-weight: bold;
  margin: 5px auto;
  text-align: center;
}


div.course {}

div.course .app_type {
  font-size: 20px;
  background-color: #000;
  color: #fff;
  font-weight: bold;
  text-align: center;
  letter-spacing: 2px;
}

div.flexbox_course {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

div.flexbox_course div.box_left,
div.flexbox_course div.box_right {
  flex-basis: 48%;
}

div.flexbox_course div.box_center {
  flex-basis: 60%;
  margin: 0 auto;

}


div.flexbox_course div.each_course {
  width: 98%;
  margin: 2em 0;
  font-size: 0.875em;
}

div.flexbox_course div.each_course h4 {
  font-size: 18px;
  margin: 0.5em 0;
}

div.wrap_innertable_event {
  width: 100%;
}

#event div.wrap_innertable_event .course_image {
  width:80%;
  margin:0 auto 30px auto;
}


.wrap_innertable_event .inner_dl_table {
  /* display: flex;
  flex-wrap: wrap; */
  margin-bottom: 30px;
  font-size: 14px;
  /* background-color: #a9a5a3; */
  /* padding:1px 1px 0 1px; */
  border: 1px solid #a9a5a3;
  border-bottom: none;
}

.wrap_innertable_event .inner_dl_table dt {
  background-color: #fbdccf;
  margin-bottom: 1px;
  padding: 5px 10px;
  font-weight: bold;
  border-bottom: 1px solid #a9a5a3;
}

.wrap_innertable_event .inner_dl_table dd {
  background-color: #fff;
  padding: 5px 10px 5px 2em;
  border-bottom: 1px solid #a9a5a3;
}


#material {}

div.flexbox_material {
  display: flex;
  justify-content: space-between;
}

div.flexbox_material div.box_left,
div.flexbox_material div.box_right {
  width: 49%;
  border: 1px solid #aaa;
}

div.flexbox_material h3 {
  font-family: var(--font-family-mincho);
  font-size: 20px;
  font-weight: normal;
  text-align: center;
  margin-top: .5em;
  margin-bottom: 0.3em;

}

div.flexbox_material h3 span {
  padding-bottom: 5px;
  border-bottom: 1px solid #aaa;

}


div.flexbox_2col {
  display: flex;
  justify-content: space-between;
}

div.flexbox_2col div.cnt_left {
  padding: 10px;
  width: 33%;
}

div.flexbox_2col div.cnt_left div.box_image {
  margin: 2px auto;
  border: 1px solid #ccc;
}

div.flexbox_2col div.cnt_right {
  width: 67%;
  padding: 10px;
  align-self: center;
}

div.flexbox_material div.title {
  font-size: 14px;
  font-weight: bold;
  margin: 0.5em 0 1em 0;
}

div.flexbox_material div.note {
  font-size: 12px;
  margin: 1em 0;
}

div.flexbox_material div.link a {
  position: relative;
  font-size: 13px;
  color: #000;
  text-decoration: underline;
  padding-left: 13px;
}

div.flexbox_material div.link a::before {
  position: absolute;
  width: 16px;
  height: 16px;
  content: "▲";
  transform: rotate(90deg);
  left: 0px;
  top: 1px;
}

div.flexbox_material div.link a:hover {
  color: var(--main-color);
}



/* アクセス */
div.flexbox_access {
  display: flex;
  justify-content: space-between;
}

div.data_access {
  align-self: center;
  /* font-size:14px; */
}

div.map_access {
  width: clamp(360px, 48vw, 524px);
  border: 1px solid #333;
}

div.data_access .title {
  font-size: 20px;
  font-weight: bold;
}

div.data_access .address {
  margin-top: 2em;
}

div.data_access .tel {}

div.data_access .root {
  margin-top: 2em;
}

div.data_access .note {}

p.note {
  font-size: 13px;
  margin: 0.5em 0;
}


div.bg_washi_wrap {
  width: 100%;
  padding: 0 0 30px 0;
  background: url(../images/bg_washi.png) repeat-x;
}

div.bg_white_wrap {
  width: 100%;
  padding: 1em 0;
  background: #fff;
}



footer {
  position: relative;
  background-color: var(--main-color);
  height: 60px;
}

footer .copyright {
  position: absolute;
  top: 1.2em;
  right: 2em;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
}


.sp_only {
  display: none;
}







#special_contents {}

#special_contents .image_spc:hover {
  opacity: 0.7;
}

#special_contents div.wrap_spc {
  /* height:500px; */
  position: relative;
}

.layer_comingsoon {
  width: 100%;
  height: 100%;
  position: absolute;
  background: rgba(223, 223, 223, 0.5);
  top: 0;
  left: 0;
}

.comingsoon {
  position: absolute;
  background-color: rgba(255, 255, 255, 0.8);
  color: var(--main-color);
  /* color:#666; */
  border: 3px solid var(--main-color);
  font-weight: bold;
  font-size: 1.5em;
  padding: .5em 3em;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
}


#special_contents div.wrap_spc div.image_spc {
  position: relative;
}

#special_contents div.btn_spc {
  position: absolute;
  width: 40%;
  border-radius: 32px;
  background-color: var(--main-color);
  color: #fff;
  text-align: center;
  margin: 0 auto;
  /* top:0; */
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
}

#special_contents div.btn_spc::after {
  position: absolute;
  width: 32px;
  height: 32px;
  content: "▲";
  transform: rotate(90deg);
  right: 10px;
  top: 12px;
}

#special_contents div.btn_spc:hover {
  width: 50%;
  background-color: var(--hover-color);
  transition: 0.3s;
}

#special_contents div.btn_spc:hover::after {
  color: #fff;
}

#special_contents div.btn_spc a {
  display: inline-flex;
  padding: 10px 0;
  width: 100%;
  height: 100%;
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
  justify-content: center;
  letter-spacing: 0.5px;
}

#special_contents div.btn_spc a:hover {
  color: #fff;
}





@media screen and (max-width: 767px) {

  /* .sp_only{
    display: inline-block;
  } */
  .pc_only {
    display: none;
  }

  #event .flexbox_app_btn .wrap_btn {
    flex-basis: 80%;
    margin: 10px auto;
  }

  div.flexbox_course {
    justify-content: center;
    flex-wrap: wrap;
  }


  div.flexbox_course div.box_left,
  div.flexbox_course div.box_right {
    flex-basis: 94%;
  }

  div.flexbox_course div.box_center {
    flex-basis: 94%;
    margin: 0 auto;
  }

  div.flexbox_course div.each_course {
    width: 98%;
    margin: 2em auto;
    font-size: 0.875em;
  }

  #event h3 {
    height: 74px;
  }

  #event h3 span.num {
    font-size: 48px;
  }

  #event h3 span.title {
    font-size: 24px;
  }

  #event h3 span.subtitle {
    font-size: 18px;
  }


  div.flexbox_material {
    justify-content: center;
    flex-wrap: wrap;
  }

  div.flexbox_material div.box_left,
  div.flexbox_material div.box_right {
    width: 100%;
    margin: 10px auto;
  }

  div.image_spc picture img {
    width: 80%;
    margin: 0 auto;
  }


  /* アクセス */
  div.flexbox_access {
    justify-content: center;
    font-size: 1em;
    flex-wrap: wrap-reverse;
  }

  div.data_access {
    width: 524px;
    margin-top: 1em;
  }

  div.map_access {
    width: 524px;
  }

  div.data_access .title {
    font-size: 24px;
  }

}





@media screen and (max-width: 480px) {
  .sp_only {
    display: inline-block;
  }

  .pc_only {
    display: none;
  }

  /* header */
  .header_left {
    margin-left: 10px;
  }

  .header_logo {
    width: 160px;
  }

  .header_right {
    margin-right: 10px;
  }

  .icon_sns {
    margin-right: 6px;
  }

  .icon_sns_tw {
    margin-right: 10px;
  }

  /* body */
  #read.container p {
    font-size: 16px;
  }


  h2 {
    font-size: 28px;
  }

  div.wrap_chapter {
    margin: 16px 0 32px 0;
  }

  div.wrap_chapter h3::before {
    width: 36px;
    height: 36px;
    left: 0px;
    top: 9px;
  }

  div.wrap_chapter h3 span.romeNum {
    font-size: 33px;
    padding: 0 3px;
    margin-right: 10px;
  }

  div.wrap_chapter h3 span.title {
    font-size: 22px;
    font-weight: normal;
  }

  div.flexbox_exh_img {
    flex-wrap: wrap;
    justify-content: center;
    margin: 0.5em auto;
  }

  .img_read-1 {
    width: 70%;
    margin: 10px auto;
  }

  .img_read-3 {
    width: 70%;
    margin: 10px auto;
  }

  div.flexbox_chap {
    flex-wrap: wrap;
    justify-content: center;
    margin: 1em auto;
  }

  .child_box {
    padding: 0;
  }

  .box_info {
    margin-top: 0.1em;
  }

  .box_info .title {
    font-size: 17px;
  }

  div.chap_2 {
    flex-wrap: wrap-reverse;
  }

  div.chap_3_3 {
    flex-wrap: wrap-reverse;
  }

  .img_01-1 {
    width: 80%;
    margin: 10px auto;
  }

  .img_01-2 {
    width: 90%;
    margin: 10px auto;
  }

  .img_02-1 {
    width: 80%;
    margin: 10px auto;
  }

  .img_03-1 {
    width: 90%;
    margin: 10px auto;
  }

  .img_03-2 {
    width: 80%;
    margin: 10px auto;
  }

  .img_03-3 {
    width: 90%;
    margin: 10px auto;
  }

  .img_03-4 {
    width: 90%;
    margin: 10px auto;
  }

  .img_05-1 {
    width: 80%;
    margin: 10px auto;
  }

  .img_05-2 {
    width: 80%;
    margin: 10px auto;
  }

  .chap_5 .box_info {
    width: 100%;
    margin: 10px auto;
  }

  .img_05-3 {
    width: 80%;
    margin: 10px auto;
  }

  .img_05-4 {
    width: 80%;
    margin: 10px auto;
  }

  .img_05-5 {
    width: 90%;
    margin: 10px auto;
  }

  .img_05-6 {
    width: 90%;
    margin: 10px auto;
  }

  .wrap_innerbox {
    width: clamp(360px, 78vw, 780px);
  }

  div.wrap_chapter h3 span.title.l2 {
    line-height: 1.2;
    margin-top: 8px;
  }

  .wrap_innertable_summary .inner_dl_table {
    margin-bottom: 16px;
    font-size: 13px;
  }

  .wrap_innertable_summary .inner_dl_table dt {
    width: 52px;
    padding: 7px 7px;
  }

  .wrap_innertable_summary .inner_dl_table dd {
    width: calc(100% - 86px);
    padding: 7px 7px;
  }



  #event h3 {
    margin: 0 0 1em 0;
    height: 50px;
  }

  #event h3.sp_l2 {
    line-height: 1.3;
    height: 80px;
  }


  #event h3 span.num {
    font-size: 36px;
    margin-right: 8px;
  }

  #event h3 span.title {
    font-size: 24px;
  }

  #event h3 span.subtitle {
    font-size: 18px;
  }


  #event .flexbox_app_btn .wrap_btn {
    flex-basis: 96%;
    margin: 10px auto;
  }

  div.course .app_type {
    font-size: 18px;
    letter-spacing: 1px;
  }

  .wrap_innertable_event .inner_dl_table {
    margin-bottom: 30px;
    font-size: 14px;
  }

  .wrap_innertable_event .inner_dl_table dt {
    padding: 5px 10px;
  }

  .wrap_innertable_event .inner_dl_table dd {
    padding: 5px 10px;
  }



  #special_contents div.btn_spc {
    width: 70%;
    bottom: 28px;
  }

  #special_contents div.btn_spc:hover {
    width: 80%;
  }

  .comingsoon {
    border: 2px solid var(--main-color);
    font-weight: bold;
    font-size: 1.5em;
    padding: .5em 1em;
  }


  div.flexbox_material h3 {
    font-size: 32px;
  }

  div.flexbox_2col {
    flex-wrap: wrap;
    justify-content: center;
  }

  div.flexbox_2col div.cnt_left {
    width: 50%;
  }

  div.flexbox_2col div.cnt_left div.box_image {
    margin: 2px auto;
    border: 1px solid #ccc;
  }

  div.flexbox_2col div.cnt_right {
    width: 90%;
    padding: 10px;
  }

  div.flexbox_material div.title {
    font-size: 18px;
  }

  div.flexbox_material div.note {
    font-size: 16px;
  }

  div.flexbox_material div.link {
    text-align: center;
  }

  div.flexbox_material div.link a {
    font-size: 16px;
  }

  div.flexbox_material div.link a:hover {
    color: var(--hover-color);
  }

  /* アクセス */
  div.data_access {
    font-size: 18px;
  }

  div.data_access .title {
    font-size: 24px;
    font-weight: bold;
  }

  div.data_access .address {
    margin-top: .5em;
  }

  div.data_access .tel {}

  div.data_access .root {
    margin-top: .5em;
  }

  div.data_access .note {}

  div.data_access {
    width: 90%;
    margin-top: 1em;
  }

  div.map_access {
    width: 90%;
  }

}