@charset "UTF-8";
* {
  -webkit-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  height: 100%;
}

body {
  font-family: "Montserrat", "Noto Sans JP";
  font-size: 1.8rem;
  color: #1d1d1d;
  height: 100%;
  line-height: 1.8;
  vertical-align: middle;
}
html,
body {
  height: 100%;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE・旧Edge */
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  display: none; /* Chrome, Safari */
}
.sec {
  text-align: center;
  padding-bottom: 140px;
  -ms-overflow-style: none;
}

h2 {
  font-size: 8rem;
}
._title {
  display: inline-block;
  margin: auto;
  text-align: center;
  padding-top: 100px;
}
.wt {
  color: #fff;
}

a {
  color: #23283b;
  cursor: pointer;
  text-decoration: none;
}

img {
  width: 100%;
  pointer-events: none;
}
.gray {
  color: #ccc;
}
/* page design */
.pc {
  display: block;
}
.sp {
  display: none;
}

.ta_c {
  text-align: center;
}

.txt_b {
  font-weight: bold;
}

.txt_l {
  text-align: left;
}
.mt_20 {
  margin-top: 20px;
}
.mt_60 {
  margin-top: 60px;
}
/* nav */
.menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255, 255, 255, 0.8);
  width: 100%;
  height: 72px;
  position: fixed;
  top: 0;
  left: 0;
  padding: 0 28px;
  box-sizing: border-box;
  z-index: 1000;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30%;
  height: 36%;
  cursor: pointer;
  max-width: 46px;
  max-height: 30px;
  z-index: 1000;
}

.hamburger span {
  display: block;
  height: 2px;
  background: #333;
  border-radius: 2px;
}

.news_btn {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 68px;
  height: 160px;
  position: fixed;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  writing-mode: vertical-lr;
  background: #1d1d1d;
  font-size: 1.9rem;
  font-weight: bold;
  border-radius: 10px 0 0 10px;
  letter-spacing: 0.05em;
  color: #fff;
  padding-top: 32px;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.04);
  z-index: 999;
  transition: 0.3s ease;
}
.news_btn::before {
  content: "";
  position: absolute;
  left: 56%;
  top: 8%;
  transform: translate(-50%, 50%) rotate(-20deg);
  height: 24px;
  width: 24px;
  background-image: url(../img/news_icon.png);
  background-repeat: no-repeat;
  background-size: contain;
}
.news_btn:hover {
  opacity: 0.8;
}
/* ロゴ */
.logo img {
  margin-right: 28px;
  height: 14px;
  width: auto;
}

/* ナビ */
.nav {
  display: flex;
  list-style: none;
  gap: 20px;
}

.nav li a {
  text-decoration: none;
  color: #333;
  transition: 0.4s;
}
.nav li a:hover {
  color: #1586dc;
}

/* mv */
.mv_image {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  transition: transform 0.8s ease;
  transform: translate(0, 0) scale(1);
  z-index: 10;
  position: relative;
}

.mv_image.shrink {
  transform: translate(var(--tx), var(--ty)) scale(0.3);
} /* about */
.sec._01 {
  text-align: center;
  background: #fff;
  background-image: url(../img/about_bg.jpg);
  background-size: cover;
}

.about_ttl_wrap_wrap {
  padding-top: 100vh;
}
.about_ttl {
  text-align: left;
  display: inline-block;
  margin-left: 80px;
  position: relative;
  z-index: 1000;
}
.about_ttl .sub_ttl {
  margin-bottom: 0;
}
.about_ttl_wrap {
  display: flex;
  justify-content: center;
  margin: auto;
  align-items: self-end;
  margin-bottom: 40px;
  padding-left: 220px;
}
.about_ttl_wrap img {
  /* width: 220px; */
  /* height: 140px; */
  object-fit: cover;
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
}
.sub_ttl {
  font-size: 3rem;
  font-weight: bold;
  margin: -30px 0 40px;
}

.blk_box {
  color: #fff;
  background: #1d1d1d;
  padding: 2px 10px;
}

.about_txt {
  margin-bottom: 30px;
  font-weight: 500;
}
.about_txt:last-child {
  margin-bottom: 0px;
}
.about_txt.ta_c {
  line-height: 2.2;
}
.about_list {
  margin: auto;
  max-width: 980px;
  margin-top: 80px;
  padding: 30px;
  font-weight: 700;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 1px 1px 25px rgba(0, 0, 0, 0.04);
  font-weight: 600;
}
.about_list li {
  display: flex;
  align-items: center;
}
.about_list li:not(:last-of-type) {
  margin-bottom: 20px;
}
.about_list_title {
  min-width: 156px;
  margin-right: 20px;
  padding: 16px 28px;
  background: linear-gradient(
    90deg,
    rgba(57, 124, 231, 1) 0%,
    rgba(133, 122, 255, 1) 50%,
    rgba(182, 93, 255, 1) 100%
  );
  color: #fff;
  border-radius: 8px;
  text-align: center;
  line-height: 1;
}
/* DAY1とDAY2を含むコンテナ */
.event_details {
  display: flex;
  flex-direction: column; /* 縦並びにする */
}

/* 各行（DAY1、DAY2）のコンテナ */
.event_day {
  display: flex;
  align-items: center; /* 垂直方向中央揃え */
  margin-bottom: 5px; /* 行間の余白 */
}

/* 各項目の幅を揃える */
.event_day span:nth-child(1) {
  display: inline-block;
  min-width: 49px;
}

.event_day span:nth-child(2) {
  display: inline-block;
  min-width: 200px;
}

.event_day span:nth-child(3) {
  display: inline-block;
  min-width: 280px;
}

.event_day span:nth-child(4) {
  display: inline-block;
  min-width: 130px;
}

.about_list_txt.pc {
  margin-bottom: 0; /* 元々のpタグのmarginをリセット */
}

/* news */
.sec._02 {
  text-align: center;
  background-image: url(../img/news_bg.jpg);
  background-size: cover;
  padding-bottom: 0;
}

.inner {
  margin: 0 40px;
}

.news_list {
  max-width: 980px;
  margin: auto;
  padding-bottom: 140px;
}
.news_list li {
  position: relative;
  transition: 0.3s ease;
  background: rgba(255, 255, 255, 0.8);
  padding: 28px;
  margin-bottom: 12px;
  border-radius: 8px;
}
.news_list li a {
  display: flex;
}
.news_list_left {
  display: flex;
}
.news_list_right {
  margin-left: 60px;
}
.scroll-wrapper._sec03 {
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 10;
}
.arrow-icon {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 20px;
  height: 20px;
  background-image: url(../img/ar_blue.png); /* 矢印画像のパス */
  background-size: contain;
  background-repeat: no-repeat;
  transition: transform 0.3s ease;
  pointer-events: none; /* アイコンのクリック無効 */
}

.news_list li:hover {
  transform: scale(0.98);
}

/* プログラム */
.sec._03 {
  background-image: url(../img/program_bg.jpg);
  background-size: cover;
}

/* タブ */
.tab-list {
  display: flex;
  justify-content: left;
  margin-bottom: 16px;
  max-width: 980px;
  margin: 0 auto;
}
.tab_item {
  width: 25%;
  padding: 10px 0;
  border-radius: 8px 8px 0 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: 0.4s ease-in-out;
  background: #bbb;
  color: #fff;
  font-size: 22px;
  margin-right: 12px;
}

/* タブをクリックした時 ホバーした時 */
.tab_item:first-child:hover,
.tab_item:first-child.is-active {
  background: #397ce7;
  background: linear-gradient(
    90deg,
    rgba(57, 124, 231, 1) 0%,
    rgba(133, 122, 255, 1) 50%,
    rgba(182, 93, 255, 1) 100%
  );
  color: #fff;
}
.tab_item:nth-child(2):hover,
.tab_item:nth-child(2).is-active {
  background: #397ce7;
  background: linear-gradient(
    90deg,
    rgba(57, 124, 231, 1) 0%,
    rgba(133, 122, 255, 1) 50%,
    rgba(182, 93, 255, 1) 100%
  );
  color: #fff;
}
.tab_item:nth-child(3):hover,
.tab_item:nth-child(3).is-active {
  background: #397ce7;
  background: linear-gradient(
    90deg,
    rgba(57, 124, 231, 1) 0%,
    rgba(133, 122, 255, 1) 50%,
    rgba(182, 93, 255, 1) 100%
  );
  color: #fff;
}
.tab-list.sp {
  display: none;
}
.sub_txt {
  display: none;
}

/* パネル */
.panel-item {
  display: none;
  width: 100%;
  max-width: 980px;
  margin: 0 auto 16px;
  padding: 40px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 0 8px 8px 8px;
  border: #ccc solid 1px;
}
.panel-item img {
  margin-bottom: 16px;
  box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.04);
}
.panel-item.is-active {
  display: block;
  animation: panel-show 0.4s ease-in-out forwards;
}

.panel-item._02.is-active {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.panel-item._03.is-active {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.panel-item._02 img,
.panel-item._03 img {
  width: calc(100% / 2 - 1rem); /* 3カラムに調整（gapと合わせて調整） */
  height: 100%;
}

/* timetable */

.sec._04 {
  background-image: url(../img/timetable_bg.jpg);
  background-size: cover;
  position: relative;
}

.scroll-wrapper._sec04 {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
}

.title.min {
  font-size: 1.6rem;
  line-height: 1.3;
}

.timetable {
  text-align: left;
  display: grid;
  grid-template-columns: 75px 1fr 1fr 1fr;
  grid-template-rows: repeat(28, 108px);
  background-color: #ccc;
  margin: 120px auto 16px;
  max-width: 980px;
  position: relative;
  z-index: 10;
}

.cell {
  background-color: #fff;
  padding: 12px 12px 30px;
  border-right: 2px solid #ccc;
  border-bottom: 1px solid #efefef;
}

.time {
  background-color: #424242;
  color: #fff;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #efefef;
}

/* 10:00 */
.time._01 {
  grid-row: 1/5;
  grid-column: 1;
}
.session._01 {
  grid-row: 4/5;
  grid-column: 2;
}
.session._02 {
  grid-row: 1/4;
  grid-column: 3;
}
.session._03 {
  grid-row: 2/4;
  grid-column: 4;
}
/* 11:00 */
.time._02 {
  grid-row: 5/9;
  grid-column: 1;
}
.session._04 {
  grid-row: 5/9;
  grid-column: 2;
}
.session._05 {
  grid-row: 5/8;
  grid-column: 3;
}
.session._06 {
  grid-row: 7/9;
  grid-column: 4;
}
/* 12:00 */
.time._03 {
  grid-row: 9/13;
  grid-column: 1;
}
.session._07 {
  grid-row: 12/15;
  grid-column: 2;
}
.cell._08 {
  grid-row: 9/13;
  grid-column: 3;
}
.session._09 {
  grid-row: 10/12;
  grid-column: 4;
}
/* 13:00 */
.time._04 {
  grid-row: 13/17;
  grid-column: 1;
}
.session._10 {
  grid-row: 16/18;
  grid-column: 2;
}
.session._11 {
  grid-row: 13/16;
  grid-column: 3;
}
.session._12 {
  grid-row: 14/16;
  grid-column: 4;
}
/* 14:00 */
.time._05 {
  grid-row: 17/21;
  grid-column: 1;
}
.session._13 {
  grid-row: 19/23;
  grid-column: 2;
}
.session._14 {
  grid-row: 17/20;
  grid-column: 3;
}
.session._15 {
  grid-row: 19/20;
  grid-column: 4;
}
/* 15:00 */
.time._06 {
  grid-row: 21/25;
  grid-column: 1;
}
.session._16 {
  grid-row: 24/29;
  grid-column: 2;
}
.session._17 {
  grid-row: 21/24;
  grid-column: 3;
}
.session._18 {
  grid-row: 22/24;
  grid-column: 4;
}
/* 16:00 */
.time._07 {
  grid-row: 25/29;
  grid-column: 1;
}
.session._20 {
  grid-row: 25/28;
  grid-column: 3;
}
.session._21 {
  grid-row: 26/27;
  grid-column: 4;
}
/* 17:00 */
.time._08 {
  grid-row: 29/31;
  grid-column: 1;
}

.session._24 {
  grid-row: 28/29;
  grid-column: 4;
}
/* session1_box */
.c1_box,
.c2_box,
.c3_box {
  background: #efefef;
  border-right: 2px solid #ccc;
  border-bottom: 1px solid #efefef;
}
.cell.c1_box._01 {
  grid-row: 1/4;
  grid-column: 2;
}
.cell.c1_box._02 {
  grid-row: 9/12;
  grid-column: 2;
}
.cell.c1_box._03 {
  grid-row: 15/16;
  grid-column: 2;
}
.cell.c1_box._04 {
  grid-row: 18/19;
  grid-column: 2;
}
.cell.c1_box._05 {
  grid-row: 23/24;
  grid-column: 2;
}
/* session2_box */
.cell.c2_box._01 {
  grid-row: 4/5;
  grid-column: 3;
}
.cell.c2_box._02 {
  grid-row: 8/13;
  grid-column: 3;
}
.cell.c2_box._03 {
  grid-row: 16/17;
  grid-column: 3;
}
.cell.c2_box._04 {
  grid-row: 20/21;
  grid-column: 3;
}
.cell.c2_box._05 {
  grid-row: 24/25;
  grid-column: 3;
}
.cell.c2_box._06 {
  grid-row: 28/29;
  grid-column: 3;
}
/* session3_box */
.cell.c3_box._01 {
  grid-row: 1/2;
  grid-column: 4;
}
.cell.c3_box._02 {
  grid-row: 4/7;
  grid-column: 4;
}
.cell.c3_box._03 {
  grid-row: 9/10;
  grid-column: 4;
}
.cell.c3_box._04 {
  grid-row: 12/14;
  grid-column: 4;
}
.cell.c3_box._05 {
  grid-row: 16/19;
  grid-column: 4;
}
.cell.c3_box._06 {
  grid-row: 20/22;
  grid-column: 4;
}
.cell.c3_box._07 {
  grid-row: 24/26;
  grid-column: 4;
}
.cell.c3_box._08 {
  grid-row: 27/28;
  grid-column: 4;
}

.day1 {
  background-color: #32b0ff;
}
.day2-main {
  background-color: #fdbf3c;
}
.day2-sub {
  background-color: #4cd2aa;
}

.session {
  background: #fff;
}

.time-range {
  font-size: 0.9em;
  color: #888;
  position: relative;
  padding-left: 20px;
}
.time-range::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 18px;
  background-image: url(../img/time.svg);
  background-size: contain;
  background-repeat: no-repeat;
}

.section-label {
  display: inline-block;
  padding: 2px 8px;
  font-size: 0.75em;
  border-radius: 2px;
  color: white;
  margin: 6px 0;
  margin-left: 10px;
}

.table_top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.blue {
  background-color: #1586dc;
}
.orange {
  background-color: #f8a902;
}
.green {
  background-color: #1bc28b;
}
.flag-icon._01 {
  position: absolute;
  top: -4.5%;
  left: 11%;
  width: 24%;
  z-index: -1;
  background: none;
}
.flag-icon._02 {
  position: absolute;
  top: -4.5%;
  left: 42%;
  width: 24%;
  z-index: -1;
  background: none;
}
.flag-icon._03 {
  position: absolute;
  top: -4.5%;
  left: 73%;
  width: 24%;
  z-index: -1;
  background: none;
}
.flag-icon.blue {
  content: url(../img/ttl01.png);
}
.flag-icon.orange {
  content: url(../img/ttl02.png);
}
.flag-icon.green {
  content: url(../img/ttl03.png);
}

.title {
  font-weight: bold;
  padding-bottom: 8px;
}

/* アーカイブ */

.sec._05 {
  background-image: url(../img/arc_bg.jpg);
  background-size: cover;
  background-position: bottom;
  position: relative;
  padding-bottom: 0;
}
.sec._05 ._title {
  padding-top: 200px;
}

.slider-container {
  width: 100%;
  max-width: 980px;
  margin: auto;
  padding-bottom: 120px;
}

.main-slide a {
  display: block;
  width: 60%;
  border-radius: 10px;
  margin-right: 30px;
}
.main-slide {
  display: flex;
  align-items: center;
  justify-content: center;
}

.main-text {
  width: 40%;
  font-size: 2.7rem;
  line-height: 1.5;
}

.thumbnail-slider {
  display: flex;
  gap: 10px;
  margin-top: 40px;
  justify-content: center;
}
.thumbnail-slider img {
  pointer-events: all;
}

.thumb {
  width: 12%;
  cursor: pointer;
  border-radius: 8px;
  opacity: 0.6;
  transition: 0.3s;
}

.thumb.active {
  opacity: 1;
  border: 4px solid #7425ce;
}

/* 装飾アニメーション */

.scroll_wrapper {
  width: 100vw;
  overflow: hidden;
  position: relative;
  z-index: 10;
  height: 68px;
}
.scroll_wrapper._sec05._01 {
  position: absolute;
  height: 120px;
  bottom: 10px;
  left: 0;
  width: 100%;
}
.scroll_wrapper._sec05._02 {
  position: absolute;
  height: 120px;
  top: 10px;
  left: 0;
  width: 100%;
}
.scroll_wrapper._sec05 img {
  margin-left: 20px;
}

.scroll_track {
  display: flex;
  width: max-content;
  animation: scroll-right 80s linear infinite;
}
.scroll_track._02 {
  display: flex;
  width: max-content;
  animation: scroll-left 80s linear infinite;
}

.scroll_track img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

/* スライドイン（テキスト） */
.slide-in {
  animation: slideIn 0.5s forwards;
}

.main-slide .more-button,
.back-button {
  width: 250px;
  display: inline-block;
  text-align: center;
  margin-top: 20px;
  padding: 12px 24px;
  background-color: #111;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  font-size: 24px;
  border-radius: 50px;
  position: relative;
  transition: background-color 0.3s ease;
  transition: 0.4s;
  margin-right: 0;
}

.more-button:hover,
.back-button:hover {
  background-color: #333;
  transform: scale(0.95);
}

.more-button::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 24px;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-image: url(../img/ar.svg);
  background-size: contain;
  background-repeat: no-repeat;
}
.back-button::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 24px;
  transform: translateY(-50%) scaleX(-1);
  width: 16px;
  height: 16px;
  background-image: url(../img/ar.svg);
  background-size: contain;
  background-repeat: no-repeat;
}
.back-button {
  margin-top: 60px;
}

/* footer */
.footer {
  padding: 0 0 40px 0;
  color: #fff;
  background: #1d1d1d;
  text-align: center;
  padding-top: 80px;
}
.footer_list {
  display: flex;
  gap: 30px;
  justify-content: center;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  font-size: 1.6rem;
  font-weight: bold;
}
.footer_list li a {
  color: #fff;
  transition: 0.4s;
}
.footer_list li a:hover {
  color: #188ce5;
}
.footer .copy {
  padding-top: 30px;
  font-size: 1.2rem;
  line-height: 1.5;
  text-align: center;
}
.footer_list {
  text-decoration: underline;
  margin-bottom: 30px;
  font-weight: normal;
}
.note {
  display: inline-block;
  margin: auto;
  padding: 0 140px;
  text-align: center;
  font-weight: 300;
}
.note p {
  text-align: left;
}
.sec._04 .note {
  margin-bottom: 120px;
}
.footer .note {
  font-weight: lighter;
}

/* bnr */
.bnr_list {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.bnr_list li {
  width: 23%;
  max-width: 300px;
}
.bnr_list li a {
  display: block;
  transition: 0.4s;
}
.bnr_list li a:hover {
  transform: scale(0.95);
}
.bnr_list li img {
  width: 100%;
}
/* SNS */
.sns_title {
  padding-top: 100px;
  font-family: "Kanit", sans-serif;
  font-size: 32px;
  font-weight: bold;
  color: #fff;
  text-align: center;
  line-height: 1;
}
.sns_list {
  display: flex;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  margin-bottom: 40px;
  padding-top: 80px;
  padding-bottom: 40px;
  border-bottom: 2px solid #fff;
  gap: 30px;
  justify-content: center;
}
.sns_list li {
  width: 60px;
}
.sns_list li a {
  display: block;
  transition: 0.4s;
}
.sns_list li a:hover {
  transform: scale(0.9);
}
.sns_list li img {
  width: 100%;
}

@keyframes slideIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* フェードイン（全体） */
.fade-in {
  animation: fadeIn 1s ease forwards;
}
@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
/* アニメーションクラス */
.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

@keyframes scroll-right {
  from {
    transform: translateX(-50%);
  }
  to {
    transform: translateX(0%);
  }
}
@keyframes scroll-left {
  from {
    transform: translateX(0%);
  }
  to {
    transform: translateX(-50%);
  }
}
/* パネル切り替えのアニメーション */
@keyframes panel-show {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ===== レスポンシブ設定 ===== */

@media (max-width: 768px) {
  body {
    font-size: 1.8rem;
    line-height: 1.5;
  }

  .pc {
    display: none;
  }
  .sp {
    display: block;
  }
  .inner {
    margin: 0px 4%;
  }
  h2.min {
    font-size: 15vw;
  }
  .sec {
    padding-bottom: 30%;
  }
  ._title {
    padding-top: 20%;
  }
  .title {
    padding-bottom: 1.5%;
  }
  .menu {
    height: 19.2vw;
  }
  .mv {
    padding-top: 19.2vw;
    background: #739de9;
  }
  .nav {
    display: block;
  }
  .mt_60 {
    margin-top: 14%;
  }
  .logo img {
    width: 60%;
    height: auto;
  }
  .hamburger {
    display: flex;
  }
  .hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hamburger span {
    transition: all 0.3s ease;
  }

  .nav {
    position: absolute;
    top: 72px;
    right: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.95);
    flex-direction: column;
    align-items: center;
    display: flex;
    gap: 5%;
    padding: 20% 0;
    transform: translateX(100%);
    opacity: 0;
    pointer-events: none; /* 非表示時はクリックできないように */

    transition: transform 0.4s ease, opacity 0.4s ease;
    z-index: 999;
    font-size: 8vw;
  }

  .nav.active {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
  } /* about */
  .sec._01 {
    background-image: url(../img/s_about_bg.jpg);
    background-size: cover;
  }

  .about_ttl {
    margin: 0 auto;
    text-align: center;
  }
  .sub_ttl {
    margin: -2% 0 10%;
  }
  .sub_ttl.policy {
    margin: 4% 0 6%;
  }
  .about_txt {
    margin-bottom: 4%;
  }
  .about_list {
    margin-top: 10.66vw;
    padding: 8vw 4vw;
    border-radius: 10px;
  }
  .about_list li {
    display: block;
  }
  .about_list li p {
    margin: 2% auto;
  }
  .about_list_txt.about_txt.sp {
    margin-bottom: 6%;
    font-weight: 600;
  }

  .about_list li:not(:last-of-type) {
    margin-bottom: 20px;
  }
  .about_list_title {
    margin-right: 0px;
    padding: 4% 0;
  }
  .about_ttl_wrap {
    margin-bottom: 4%;
    padding-left: 0;
  }

  /* news */
  .news_list {
    padding-bottom: 30%;
  }
  .news_list li {
    padding: 4% 4% 10%;
  }
  .news_list li a {
    display: block;
  }
  .news_list_right {
    margin: 2% 0;
    text-align: left;
  }
  .arrow-icon {
    bottom: 12px;
    right: 8px;
    width: 8%;
    height: 20px;
    background-image: url(../img/ar_blue.png);
    background-size: contain;
    background-repeat: no-repeat;
    transition: transform 0.3s ease;
    pointer-events: none;
  }

  .news_btn {
    display: block;
    width: 64px;
    height: 78px;
    position: fixed;
    top: 92%;
    right: 0;
    transform: translateY(-50%);
    writing-mode: unset;
    font-size: 1.2rem;
    letter-spacing: 0;
    color: #fff;
    padding-top: 40px;
    text-align: center;
    font-weight: 500;
  }
  .news_btn::before {
    content: "";
    position: absolute;
    left: 56%;
    top: 10%;
    height: 18px;
    width: 20px;
  }

  /* プログラム */
  .panel-item {
    margin-bottom: 0;
    padding: 4%;
  }
  .panel-item img {
    margin-bottom: 4%;
  }
  .panel-item img:last-child {
    margin-bottom: 0;
  }

  .panel-item._02 img,
  .panel-item._03 img {
    width: 100%;
    height: auto;
  }

  /* タイムテーブルタブ */
  .timetable {
    grid-template-columns: 1fr;
    background-color: #ccc;
    margin: 45% auto 4%;
    position: relative;
    z-index: 10;
    grid-template-rows: none;
  }

  .table_top {
    justify-content: space-between;
    margin-bottom: 2%;
  }
  .title.min {
    font-size: 1.8rem;
    line-height: 1.5;
  }

  .flag-icon._01,
  .flag-icon._02,
  .flag-icon._03 {
    position: relative;
    top: 0;
    left: 0;
    width: 70%;
    margin: -55% auto 4%;
    display: block;
  }

  .tab-list.sp {
    display: flex;
  }
  .tab-list.pc {
    display: none;
  }

  .color_tab_list {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3%;
    margin: 0 auto 3%;
  }

  .color_tab_list .color_tab_item .sub_txt,
  .tab_item .sub_txt {
    display: block;
    font-size: 3.2vw;
  }
  .color_tab_item {
    width: calc(100% / 3 - 1rem); /* 3カラムに調整（gapと合わせて調整） */
    padding: 2% 0;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: 0.4s ease-in-out;
    background-color: #6693be;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }

  /* タブをクリックした時 ホバーした時 */
  .color_tab_item:first-child:hover,
  .color_tab_item:first-child.is-active {
    background: #397ce7;
    background: linear-gradient(
      90deg,
      rgba(57, 124, 231, 1) 0%,
      rgba(133, 122, 255, 1) 50%,
      rgba(182, 93, 255, 1) 100%
    );
  }
  .color_tab_item:nth-child(2):hover,
  .color_tab_item:nth-child(2).is-active {
    background: #397ce7;
    background: linear-gradient(
      90deg,
      rgba(57, 124, 231, 1) 0%,
      rgba(133, 122, 255, 1) 50%,
      rgba(182, 93, 255, 1) 100%
    );
    color: #fff;
  }
  .color_tab_item:nth-child(3):hover,
  .color_tab_item:nth-child(3).is-active {
    background: #397ce7;
    background: linear-gradient(
      90deg,
      rgba(57, 124, 231, 1) 0%,
      rgba(133, 122, 255, 1) 50%,
      rgba(182, 93, 255, 1) 100%
    );
    color: #fff;
  }

  .tab_item,
  .color_tab_item {
    line-height: 1.2;
    font-size: 6vw;
    padding: 3% 0;
  }
  .tab_item {
    width: calc(100% / 3 - 1rem);
    margin-right: 3%;
    padding: 2% 0;
  }
  .cell {
    padding: 4% 6% 10%;
  }
  .cell.session._01,
  .cell.session._02,
  .cell.session._03 {
    padding: 12% 6% 10%;
  }

  .cell.session {
    display: none;
  }

  .cell.session.active-sp {
    display: block;
  }

  .time {
    display: none;
  }
  .time-range {
    font-size: 2rem;
    padding-left: 8%;
  }
  .time-range::before {
    width: 24px;
    height: 24px;
    background-image: url(../img/time.svg);
    background-size: contain;
    background-repeat: no-repeat;
  }

  .section-label {
    margin: 4% 0;
  }

  /* アーカイブ */
  .sec._05 {
    background-image: url(../img/s_arc_bg.png);
    background-size: cover;
    background-position: bottom;
  }

  .sec._05 ._title {
    padding-top: 50%;
  }
  .slider-container {
    width: 100%;
    padding-bottom: 20%;
  }

  .main-slide {
    display: block;
    align-items: center;
    justify-content: center;
  }
  .main-slide img {
    width: 60%;
    border-radius: 10px;
  }
  .main-text {
    width: 100%;
    font-size: 4rem;
    line-height: 1.5;
  }

  .thumbnail-slider {
    display: flex;
    gap: 10px;
    justify-content: flex-start;
    margin: 10% 0 5%;
  }

  .thumb {
    width: 12%;
    cursor: pointer;
    border-radius: 8px;
    opacity: 0.6;
    transition: 0.3s;
  }

  .thumb.active {
    opacity: 1;
    border: 4px solid #7425ce;
  }

  /* 仮 */
  .main-slide {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .main-slide img {
    width: 100%;
    border-radius: 10px;
    order: 0; /* メイン画像を先頭に */
    margin-right: 0;
  }

  .thumbnail-slider {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    gap: 10px;
    padding: 0 1em;
    margin: 20px 0;
    order: 1; /* サムネイルを2番目に */
    scrollbar-width: none;
  }

  .thumbnail-slider::-webkit-scrollbar {
    display: none;
  }

  .thumb {
    flex: 0 0 calc((100% - 20px) / 3);
    height: auto;
    border-radius: 8px;
    opacity: 0.6;
    transition: 0.3s;
  }

  .thumb.active {
    opacity: 1;
    border: 3px solid #7425ce;
  }

  .main-text {
    width: 100%;
    font-size: 5vw;
    padding: 1em 0;
    order: 2;
  }
  .footer {
    padding: 20% 4% 4%;
  }
  .bnr_list li {
    width: 45%;
  }
  .sns_list {
    gap: 4%;
    padding-top: 20%;
    padding-bottom: 15%;
    margin-bottom: 15%;
  }
  .sns_list li {
    width: 12.8vw;
  }
  .note {
    margin: auto;
    font-size: 3.2vw;
    padding: 0;
  }
  .sec._03 .note {
    margin: 4% 4% 0;
  }
  .sec._04 .note {
    margin: 0 4% 20%;
  }

  .footer_list {
    display: block;
    font-weight: lighter;
  }
  .footer_list li {
    margin-bottom: 5%;
    font-size: 4vw;
  }
  .footer .copy {
    padding-top: 30px;
    font-size: 1.2rem;
    line-height: 1.5;
    font-weight: lighter;
  }
}

/* 下層共通 */
.pankuzu {
  display: flex;
  width: 90%;
  margin: 72px 0 40px 40px;
  margin-left: 6%;
  margin-bottom: 40px;
  padding-bottom: 20px;
  gap: 30px;
  white-space: nowrap;
  /* overflow: scroll; */
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.pankuzu.contents_box::-webkit-scrollbar {
  display: none;
}
.pankuzu li {
  display: block;
  color: #bbb;
}
.pankuzu_link a {
  padding-right: 40px;
  color: #282d46;
  background: url(../img/arrow_pan.png) no-repeat;
  background-position: center right;
  background-size: 10px;
}
.pankuzu li a:hover {
  opacity: 0.6;
}
.sec._06,
.sec._07 {
  padding-bottom: 140px;
  background-image: url(../img/about_bg.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: right;
}
.news._title {
  padding-top: 40px;
}
@media screen and (max-width: 768px) {
  .pankuzu {
    margin-top: 19.2vw;
    margin-bottom: 10.33vw;
    padding-top: 3vw;
    padding-bottom: 3vw;
    gap: 4vw;
    overflow: scroll;
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  .pankuzu.contents_box::-webkit-scrollbar {
    display: none;
  }
  .pankuzu_link a {
    padding-right: 6vw;
    background-size: 2vw;
  }
  .news_item {
    width: 90%;
  }
  .news_item .news_title {
    margin-bottom: 5vw;
    padding-bottom: 4vw;
    font-size: 4.53vw;
  }

  .news_item .news_title span {
    width: 24%;
    min-width: auto;
    margin-bottom: 2vw;
  }
  .news_item p.note {
    padding-top: 2.66vw;
  }
  .btn._back {
    background-position: center bottom 5vw;
    background-size: 4vw;
  }
  .btn._back::before {
    background-position: center bottom 5vw;
    background-size: 4vw;
  }

  .sec._07 .news_inner {
    width: 90%;
    margin-top: 20vw;
    padding-top: 0;
  }
  .sec._07 .news_inner > div {
    flex-direction: column;
    gap: 0;
  }
  .sec._07 .news_list {
    width: 100%;
  }
  .sec._06,
  .sec._07 {
    padding-bottom: 20%;
    background-image: url(../img/s_about_bg.jpg);
    background-position: top;
  }
  .news._title {
    padding-top: 0;
  }
  ._under.footer {
    padding-top: 10%;
  }
  .back-button {
    margin-top: 10%;
  }
  .sec._07 .note {
    width: 100%;
  }
  .lh_1 {
    line-height: 1;
  }
}

/* ニュース詳細、サイトポリシー */
.news_item {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
}

.news_title {
  margin-bottom: 36px;
  padding-bottom: 26px;
  font-size: 2.8rem;
  border-bottom: 1px solid #eee;
  line-height: 1.5;
  text-align: left;
}
.news_item .about_list {
  margin: 20px 0;
}
.news_item .news_title span {
  display: block;
  min-width: 100px;
  font-family: "Kanit", sans-serif;
  font-size: 1.4rem;
}
.news_item p.note {
  padding: 20px 0;
  line-height: 1.5;
}
.news_item p a:hover {
  text-decoration: underline;
}
.btn._back {
  background-image: url(../img/arrow_left.png);
  background-repeat: no-repeat;
  background-position: center bottom 30px;
  background-size: 21%;
}
.btn._back::before {
  background-image: url(../img/arrow_left_w.png);
  background-repeat: no-repeat;
  background-position: center bottom 30px;
  background-size: 21%;
}
.sec._06 {
  text-align: center;
}

.sec._07 .news_inner {
  width: 100%;
  max-width: 1200px;
  margin: auto;
}
.sec._07 .news_list {
  width: 70%;
  max-width: 830px;
  margin: 0 auto;
}
.g_link a {
  word-break: break-all;
}