html {
  scroll-behavior: smooth;
}

:where(section, h2, .anchor-target) {
  scroll-margin-top: var(--header-h, 80px); /* 固定ヘッダの高さぶん余白 */
}

body {
  margin: 0;
  padding: 0;
  font-family: "游ゴシック体", "Yu Gothic", "游ゴシック Medium",
    "Yu Gothic Medium", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN",
    Meiryo, sans-serif;
  color: #4c4c4c;
}

main {
  padding-top: 60px;
}

.inner {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 80px 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
h1 img {
  width: 90%;
  margin: 0 auto;
}

a {
  text-decoration: none;
}

.pc {
  display: block;
}

.sp {
  display: none;
}

/* ヘッダー ======================================
============================================== */
header {
  background-color: #fff;
  box-shadow: 0 4px 26px 0 #94d7e2;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

header nav ul {
  margin: 0;
  display: flex;
  justify-content: space-between;
  padding: 24px;
  list-style: none;
  align-items: center;
}

.header_logo a {
  display: flex;
  gap: 20px;
  align-items: center;
}

.header_logo img {
  width: 170px;
}

.header_logo a span {
  position: relative;
  text-align: center;
  padding: 0 20px;
  color: #006aad;
  font-size: 14px;
  font-weight: bold;
}
.header_logo a span::before,
.header_logo a span::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 12px;
  height: 1px;
  background: #006aad;
}

.header_logo a span::before {
  left: 0;
}

.header_logo a span::after {
  right: 0;
}

.header_btn {
  background-color: #006aad;
  padding: 16px 20px;
  border-radius: 8px;
  color: #fff;
  font-weight: bold;
  font-size: 16px;
  letter-spacing: 1px;
}

.header_btn:hover {
  opacity: 0.3;
}

/* FV ======================================
============================================== */
.main-visual {
  width: 90%;
  max-width: 1000px;
  margin: 72px auto 0;
}

h1 {
  margin: 0 auto 32px;
}

/* 目次 ======================================
============================================== */
.index_area ul {
  display: flex;
  justify-content: space-between;
  list-style: none;
  padding: 0;
  gap: 20px;
  margin: 0 0 16px;
}

.index_area ul li {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 6px 6px 0px #94d7e2;
  border: #94d7e2 2px solid;
  width: 25%;
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  display: flex;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.index_area ul li a {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  flex: 1;
  padding: 10px 8px 8px;
  color: inherit;
}

.index_area ul li a .text {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  flex: 1;
  line-height: 20px;
  white-space: nowrap;
}

.index_area ul li a img {
  width: 18px;
  margin-top: 8px;
}

.index_area ul li:hover {
  background-color: rgba(148, 215, 226, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 10px 0 rgba(148, 215, 226, 0.5);
}

/* 見どころ紹介 ======================================
============================================== */
h2 {
  font-size: 32px;
  color: #006aad;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
}

h2 span {
  font-size: 16px;
  display: flex;
  gap: 4px;
  align-items: center;
}

h2 span img {
  width: 18px;
  height: 100%;
}
.bg-gradient {
  background: linear-gradient(180deg, #fff 19.71%, #c5e9ef 100%);
}

.highlight_intro {
  display: flex;
  gap: 32px;
  justify-content: center;
  align-items: center;
}

.highlight_intro_desc {
  width: 55%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

h3 {
  color: #006aad;
  font-weight: bold;
  font-size: 40px;
  margin: 0;
  line-height: 1;
}

h3 span {
  font-size: clamp(18px, 2vw, 24px);
}

p {
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
}

.highlight_intro_img {
  width: 45%;
}

.highlight_intro_img img {
  width: 100%;
}
p.highlight_catch {
  color: #006aad;
  font-size: 24px;
  text-align: center;
  font-weight: bold;
  margin: 8px auto;
}

/* 見どころ紹介(ポイント3つ) */
ul.highlight_points {
  display: flex;
  padding: 0;
}

li.highlight_point {
  width: 33.3%;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 0 24px 0;
  border-right: 1px solid #94d7e2;
  justify-content: space-between;
  align-items: center;
}

li.highlight_point:first-child {
  padding: 0 24px 0 0;
}
li.highlight_point:last-child {
  padding: 0 0 0 24px;
  border: none;
}

h4 {
  margin: 0;
  text-align: center;
  color: #006aad;
  font-weight: bold;
  white-space: nowrap;
  font-size: clamp(16px, 2vw, 18px);
}

li.highlight_point img {
  width: 100%;
  max-width: 200px;
}

/* 見どころ紹介(ミニプレゼン) */
.highlight_presentation {
  background-color: #fff;
  border-radius: 8px;
}
.highlight_presentation_heading {
  background: #006aad;
  border-radius: 8px 8px 0px 0;
  padding: 8px;
  text-align: center;
  font-size: 18px;
  color: #fff;
  font-weight: bold;
}

.highlight_presentation p {
  padding: 16px;
  width: 90%;
  max-width: 700px;
  margin: 0 auto;
}

.highlight_presentation_btn {
  border: 2px solid #94d7e2;
  padding: 10px 24px;
  width: fit-content;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  border-radius: 23px;
  margin: 0 auto 24px;
  font-weight: bold;
  color: #4c4c4c;
}

.highlight_presentation_btn img {
  width: 24px;
}

/* 来場事前予約 ======================================
============================================== */
.reservation_intro {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  margin-bottom: 24px;
}

.reservation_intro_desc {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 55%;
  max-width: 560px;
}

.reservation_intro_heading {
  font-size: 22px;
  font-weight: bold;
}

.reservation_services_caption {
  font-size: 14px;
}

.reservation_intro img {
  width: 35%;
  max-width: 300px;
}

/* バーチャルブース ======================================
============================================== */
.bg-blue {
  background-color: #eaf6fd;
}

.virtualBooth_area p {
  width: fit-content;
  margin: 0 auto;
  font-size: 18px;
  font-weight: bold;
}

.virtualBooth-apply {
  background-color: #fff;
  border: #006aad solid 2px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 24px;
  font-weight: bold;
  color: #006aad;
  padding: 16px 24px;
  border-radius: 36px;
  width: fit-content;
  gap: 24px;
  margin: 0 auto;
}

.virtualBooth-apply img {
  width: 32px;
}

/* 来場者特典 ======================================
============================================== */
.novelty_desc_area {
  display: flex;
  gap: 32px;
  justify-content: center;
  align-items: center;
}

.novelty_desc_area img {
  width: 50%;
  max-width: 400px;
}

.novelty_desc_txt {
  color: #006aad;
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 50%;
}

.novelty_desc_txt p {
  border-bottom: #006aad solid 1px;
  padding: 0 0 16px;
}

.novelty_desc_txt p .bold {
  font-weight: bold;
}

.bold::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  background-color: #006aad;
  margin-right: 6px;
  vertical-align: middle;
}

.novelty_desc_txt p .small {
  font-size: 14px;
}

.novelty_desc_txt p:last-child {
  border: none;
  padding: 0;
}

/* タイムテーブル ======================================
============================================== */
p.comingsoon {
  font-size: 24px;
}
p.presentation_present {
  font-weight: bold;
}

img.present_icon {
  width: 24px;
}
.table-wrap {
  position: relative;
  margin: 0 auto;
  border-radius: 12px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  border: 2px solid #62c3cc;
  background: #62c3cc;
}

/* ヘッダーの白い縦線（高さはヘッダーと同じ 40px） */
.table-wrap::before {
  content: "";
  position: absolute;
  left: calc(160px + 2px); /* 時間列160px + 外枠2px */
  top: 0;
  width: 2px;
  height: 40px; /* .table-header の高さと一致 */
  background: #fff;
  pointer-events: none;
}

/* ボディ側の青い縦線（ヘッダーの下から下端まで） */
.table-wrap::after {
  content: "";
  position: absolute;
  left: calc(160px + 2px);
  top: 40px; /* ヘッダーの直下から */
  bottom: 0;
  width: 2px;
  background: #62c3cc;
  pointer-events: none;
}

.table-header {
  color: #fff;
  font-weight: bold;
  display: grid;
  grid-template-columns: 160px 1fr; /* 時間 / テーマ */
  gap: 0;
  background: #62c3cc;
  align-content: center;
  text-align: center;
}

.table-header div {
  height: 40px;
  align-content: center;
}

.table-header .header_topic {
  text-align: left;
  padding-left: 24px;
}

.table-header div:last-child {
  border-right: none;
}

.schedule {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.schedule tr:nth-child(odd) {
  background: #fff;
}
.schedule tr:nth-child(even) {
  background: #eaf6fd;
}

.schedule td {
  padding: 12px 0;
  line-height: 1.5;
  vertical-align: middle;
}

.schedule td.time {
  width: 160px;
  white-space: nowrap;
  text-align: center;
  font-weight: bold;
  color: #006aad;
}

.schedule td.topic {
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* トップに戻る ======================================
============================================== */
.to-top {
  position: fixed;
  bottom: 32px;
  right: 14px;
  z-index: 1000;
}

.to-top img {
  width: 40px;
}

/* フッター ======================================
============================================== */
footer {
  background-color: #006aad;
  color: #fff;
  padding: 50px 32px 16px;
}

footer a {
  color: #fff;
}

footer a:hover {
  opacity: 0.3;
  transition: opacity 0.3s ease;
}

.fmenu_inner {
  display: flex;
  width: fit-content;
  margin: 0 auto;
  justify-content: center;
  align-items: center;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 50px;
}

a.footer_logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding-right: 32px;
  border-right: 1px solid #fff;
}

.footer_logo img {
  width: 200px;
}

.footer_logo span {
  position: relative;
  text-align: center;
  padding: 0 20px;
  font-size: 14px;
  font-weight: bold;
}

.footer_logo span::before,
.footer_logo span::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 12px;
  height: 1px;
  background: #fff;
}

.footer_logo span::before {
  left: 0;
}

.footer_logo span::after {
  right: 0;
}

.contact_area {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.tel_number {
  font-size: 51px;
  line-height: 1;
  font-weight: bold;
  display: flex;
  gap: 16px;
  justify-content: flex-start;
  align-items: center;
}

.tel_number img {
  width: 32px;
}

.copyright {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-size: 12px;
}

.copyright ul {
  display: flex;
  gap: 24px;
  padding: 0;
  margin: 0;
}

.copyright ul li {
  border-right: 1px solid #fff;
  padding-right: 16px;
  list-style: none;
}

.copyright ul li a {
  display: flex;
  gap: 4px;
  justify-content: center;
  align-items: center;
  width: fit-content;
}

.copyright ul li a img {
  width: 14px;
  height: fit-content;
}

.copyright ul li:last-child {
  border-right: none;
}

/* スマホ ======================================
============================================== */
@media (max-width: 768px) {
  main {
    padding-top: 50px;
  }
  h1 {
    margin-bottom: 24px;
  }
  h1 img {
    width: 100%;
  }
  h2 {
    font-size: 24px;
  }
  h2 span {
    font-size: 14px;
  }
  .pc {
    display: none;
  }

  .sp {
    display: block;
  }

  .inner {
    padding: 40px 0;
  }

  /* FV */
  .main-visual {
    margin: 40px auto 0;
  }

  /* ヘッダー(スマホ)  */
  header nav ul {
    padding: 16px;
  }
  .header_logo img {
    width: 120px;
  }
  .header_btn {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 16px 0;
    text-align: center;
    border-radius: 0;
    box-shadow: 0 -2px 8px 1px rgba(0, 0, 0, 0.25);
  }

  .header_btn:hover {
    opacity: 1;
  }

  /* 目次(スマホ)  */
  .index_area ul {
    padding: 10px;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    border-radius: 8px;
    border: 1px solid #94d7e2;
    background: #fff;
    box-shadow: 0 2px 8px 0 rgba(98, 195, 204, 0.75);
    margin-bottom: 20px;
  }
  .index_area ul li {
    border-radius: 0;
    box-shadow: none;
    border: none;
    border-bottom: 1px solid #94d7e2;
    width: 100%;
  }
  .index_area ul li a {
    flex-direction: row;
    padding: 10px;
  }
  .index_area ul li a .text {
    justify-content: flex-start;
  }
  .index_area ul li:last-child {
    border-bottom: none;
  }

  /* 見どころ紹介(スマホ) */
  .highlight_intro {
    flex-direction: column;
  }

  .highlight_intro_desc {
    width: 100%;
  }

  h3 {
    font-size: 28px;
    line-height: 1;
    text-align: center;
  }

  .highlight_intro_img {
    width: 100%;
  }

  p.highlight_catch {
    font-size: 18px;
    word-break: keep-all;
    font-size: clamp(16px, 2vw, 18px);
  }

  ul.highlight_points {
    flex-direction: column;
  }

  li.highlight_point {
    width: 100%;
    border-bottom: 1px solid #94d7e2;
    border-right: none;
    padding: 24px 0;
  }

  li.highlight_point:first-child {
    padding: 0 0 24px;
  }
  li.highlight_point:last-child {
    padding: 24px 0 0;
  }

  .highlight_presentation_btn {
    padding: 10px 24px;
    border-radius: 35px;
    width: 74%;
    line-height: 1.3;
  }

  .highlight_presentation_btn img {
    width: 20px;
  }

  /* 来場事前予約(スマホ) */
  .reservation_intro {
    flex-direction: column;
  }

  .reservation_intro_desc {
    width: 100%;
  }

  .reservation_intro img {
    width: 70%;
  }

  /* バーチャルブース(スマホ) */
  .virtualBooth-apply {
    font-size: 20px;
    width: inherit;
    padding: 12px 16px;
    line-height: 1.3;
    border-radius: 44px;
    width: 90%;
    justify-content: center;
  }

  /* 来場者特典(スマホ) */
  .novelty_desc_area {
    flex-direction: column;
  }
  .novelty_desc_area img {
    width: 100%;
  }
  .novelty_desc_txt {
    width: 100%;
  }

  /* プレゼンタイムスケジュール(スマホ) */
  .table-header {
    grid-template-columns: 120px 1fr;
  }

  .table-wrap::before {
    left: calc(120px + 2px);
  }

  .table-wrap::after {
    left: calc(120px + 2px);
  }

  .table-header .header_topic {
    padding-left: 16px;
  }

  .schedule td.time {
    width: 120px;
  }

  .schedule td.topic {
    padding: 12px 16px;
    gap: 14px;
  }

  /* フッター(スマホ) */
  footer {
    padding: 24px 0 74px;
  }

  .fmenu_inner {
    flex-direction: column;
    margin-bottom: 24px;
    width: 90%;
  }

  a.footer_logo {
    border-right: none;
    border-bottom: #fff solid 1px;
    padding-right: 0;
    padding-bottom: 24px;
  }

  .contact_area {
    gap: 16px;
    border-bottom: #fff solid 1px;
    padding-bottom: 24px;
    align-items: center;
  }

  .tel_number {
    font-size: 32px;
    gap: 8px;
  }

  .tel_number img {
    width: 24px;
  }

  .contact-time {
    text-align: center;
  }

  .exclude {
    font-size: 12px;
  }

  .copyright {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    width: 90%;
    margin: 0 auto;
  }

  .copyright ul {
    flex-direction: column;
    gap: 8px;
  }

  .copyright ul li {
    border-right: none;
  }

  /* トップに戻る(スマホ)  */
  .to-top {
    bottom: 64px;
  }
}

/* フェードイン */
.fade-in-element {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s ease-out, transform 1s ease-out;
}

.fade-in-element.show {
  opacity: 1;
  transform: translateY(0);
}