@charset "UTF-8";
/*!
 * ress.css • v4.0.0
 * MIT License
 * github.com/filipelinhares/ress
 */
/* # =================================================================
   # Global selectors
   # ================================================================= */
@import url("https://fonts.googleapis.com/css2?family=Jost:ital,wght@0,100..900;1,100..900&Noto+Sans+JP:wght@300..700&family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600;1,700&display=swap");
html {
  box-sizing: border-box;
  -webkit-text-size-adjust: 100%;
  /* Prevent adjustments of font size after orientation changes in iOS */
  word-break: normal;
  -moz-tab-size: 4;
  tab-size: 4; }

*,
::before,
::after {
  background-repeat: no-repeat;
  /* Set `background-repeat: no-repeat` to all elements and pseudo elements */
  box-sizing: inherit; }

::before,
::after {
  text-decoration: inherit;
  /* Inherit text-decoration and vertical align to ::before and ::after pseudo elements */
  vertical-align: inherit; }

* {
  padding: 0;
  /* Reset `padding` and `margin` of all elements */ }

p {
  margin: 0; }

/* # =================================================================
   # General elements
   # ================================================================= */
hr {
  overflow: visible;
  /* Show the overflow in Edge and IE */
  height: 0;
  /* Add the correct box sizing in Firefox */
  color: inherit;
  /* Correct border color in Firefox. */ }

details,
main {
  display: block;
  /* Render the `main` element consistently in IE. */ }

summary {
  display: list-item;
  /* Add the correct display in all browsers */ }

small {
  font-size: 80%;
  /* Set font-size to 80% in `small` elements */ }

[hidden] {
  display: none;
  /* Add the correct display in IE */ }

abbr[title] {
  border-bottom: none;
  /* Remove the bottom border in Chrome 57 */
  /* Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari */
  text-decoration: underline;
  text-decoration: underline dotted; }

a {
  background-color: transparent;
  /* Remove the gray background on active links in IE 10 */ }

a:active,
a:hover {
  outline-width: 0;
  /* Remove the outline when hovering in all browsers */ }

code,
kbd,
pre,
samp {
  font-family: monospace, monospace;
  /* Specify the font family of code elements */ }

pre {
  font-size: 1em;
  /* Correct the odd `em` font sizing in all browsers */ }

b,
strong {
  font-weight: bolder;
  /* Add the correct font weight in Chrome, Edge, and Safari */ }

/* https://gist.github.com/unruthless/413930 */
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline; }

sub {
  bottom: -0.25em; }

sup {
  top: -0.5em; }

table {
  border-color: inherit;
  /* Correct border color in all Chrome, Edge, and Safari. */
  text-indent: 0;
  /* Remove text indentation in Chrome, Edge, and Safari */ }

/* # =================================================================
   # Forms
   # ================================================================= */
input {
  border-radius: 0; }

/* Replace pointer cursor in disabled elements */
[disabled] {
  cursor: default; }

[type='number']::-webkit-inner-spin-button,
[type='number']::-webkit-outer-spin-button {
  height: auto;
  /* Correct the cursor style of increment and decrement buttons in Chrome */ }

[type='search'] {
  -webkit-appearance: textfield;
  /* Correct the odd appearance in Chrome and Safari */
  outline-offset: -2px;
  /* Correct the outline style in Safari */ }

[type='search']::-webkit-search-decoration {
  -webkit-appearance: none;
  /* Remove the inner padding in Chrome and Safari on macOS */ }

textarea {
  overflow: auto;
  /* Internet Explorer 11+ */
  resize: vertical;
  /* Specify textarea resizability */ }

button,
input,
optgroup,
select,
textarea {
  font: inherit;
  /* Specify font inheritance of form elements */ }

optgroup {
  font-weight: bold;
  /* Restore the font weight unset by the previous rule */ }

button {
  overflow: visible;
  /* Address `overflow` set to `hidden` in IE 8/9/10/11 */ }

button,
select {
  text-transform: none;
  /* Firefox 40+, Internet Explorer 11- */ }

/* Apply cursor pointer to button elements */
button,
[type='button'],
[type='reset'],
[type='submit'],
[role='button'] {
  cursor: pointer;
  color: inherit; }

/* Remove inner padding and border in Firefox 4+ */
button::-moz-focus-inner,
[type='button']::-moz-focus-inner,
[type='reset']::-moz-focus-inner,
[type='submit']::-moz-focus-inner {
  border-style: none;
  padding: 0; }

/* Replace focus style removed in the border reset above */
button:-moz-focusring,
[type='button']::-moz-focus-inner,
[type='reset']::-moz-focus-inner,
[type='submit']::-moz-focus-inner {
  outline: 1px dotted ButtonText; }

button,
html [type='button'],
[type='reset'],
[type='submit'] {
  -webkit-appearance: button;
  /* Correct the inability to style clickable types in iOS */ }

/* Remove the default button styling in all browsers */
button,
input,
select,
textarea {
  background-color: transparent;
  border-style: none; }

a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline-width: 0; }

/* Style select like a standard input */
select {
  -moz-appearance: none;
  /* Firefox 36+ */
  -webkit-appearance: none;
  /* Chrome 41+ */ }

select::-ms-expand {
  display: none;
  /* Internet Explorer 11+ */ }

select::-ms-value {
  color: currentColor;
  /* Internet Explorer 11+ */ }

legend {
  border: 0;
  /* Correct `color` not being inherited in IE 8/9/10/11 */
  color: inherit;
  /* Correct the color inheritance from `fieldset` elements in IE */
  display: table;
  /* Correct the text wrapping in Edge and IE */
  max-width: 100%;
  /* Correct the text wrapping in Edge and IE */
  white-space: normal;
  /* Correct the text wrapping in Edge and IE */
  max-width: 100%;
  /* Correct the text wrapping in Edge 18- and IE */ }

::-webkit-file-upload-button {
  /* Correct the inability to style clickable types in iOS and Safari */
  -webkit-appearance: button;
  color: inherit;
  font: inherit;
  /* Change font properties to `inherit` in Chrome and Safari */ }

/* # =================================================================
   # Specify media element style
   # ================================================================= */
img {
  border-style: none;
  /* Remove border when inside `a` element in IE 8/9/10 */ }

/* Add the correct vertical alignment in Chrome, Firefox, and Opera */
progress {
  vertical-align: baseline; }

/* # =================================================================
   # Accessibility
   # ================================================================= */
/* Specify the progress cursor of updating elements */
[aria-busy='true'] {
  cursor: progress; }

/* Specify the pointer cursor of trigger elements */
[aria-controls] {
  cursor: pointer; }

/* Specify the unstyled cursor of disabled, not-editable, or otherwise inoperable elements */
[aria-disabled='true'] {
  cursor: default; }

@media screen and (min-width: 768px) {
  .pc {
    display: inherit; } }
@media screen and (max-width: 767px) {
  .pc {
    display: none; } }

@media screen and (min-width: 768px) {
  .sp {
    display: none; } }
@media screen and (max-width: 767px) {
  .sp {
    display: inherit; } }

html {
  scroll-behavior: smooth; }

body {
  margin: 0;
  padding: 0;
  background-color: #06061c;
  color: #fff;
  font-family: "Poppins", "Noto Sans JP", "游ゴシック体", YuGothic, "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5; }
  @media screen and (max-width: 767px) {
    body {
      font-size: 14px; } }

img {
  width: 100%;
  vertical-align: bottom;
  transition: all .2s linear;
  object-fit: contain; }

li {
  list-style: none; }

section, div, p, li {
  box-sizing: border-box; }

a {
  color: #333;
  text-decoration: none;
  transition: all .2s linear; }

a.txt-link {
  color: #4b5575;
  text-decoration: underline;
  transition: all .2s linear; }
  a.txt-link:hover {
    text-decoration: none;
    opacity: .7; }

.cmn-hl {
  margin: 0 0 50px;
  background: linear-gradient(180deg, #3f4146 30%, #06061c 90%);
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-fill-color: transparent;
  font-size: 165px;
  font-weight: 300;
  text-align: center;
  line-height: 1;
  letter-spacing: .1em; }
  @media screen and (max-width: 767px) {
    .cmn-hl {
      font-size: 15vw; } }
  .cmn-hl-wrap {
    width: 90%;
    max-width: 1080px;
    margin: 0 auto;
    text-align: center;
    position: relative; }
  .cmn-hl-jp {
    margin: auto;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 20px;
    font-size: 20px;
    font-weight: 500;
    letter-spacing: .1em;
    line-height: 1; }
    @media screen and (max-width: 767px) {
      .cmn-hl-jp {
        bottom: 5px;
        font-size: 16px;
        font-weight: 400; } }

.bnr-exhibition {
  width: 90%;
  max-width: 1080px;
  margin: 50px auto 0; }
  .bnr-exhibition-inner {
    padding: 35px 45px;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between; }
    @media screen and (max-width: 767px) {
      .bnr-exhibition-inner {
        padding: 25px 35px;
        display: block; } }
  .bnr-exhibition-desc {
    width: 55%; }
    @media screen and (max-width: 767px) {
      .bnr-exhibition-desc {
        width: 100%; } }
  .bnr-exhibition-hl {
    margin: 0;
    padding: 0;
    color: #a5c8ff;
    font-size: 32px;
    font-weight: 500; }
    @media screen and (max-width: 767px) {
      .bnr-exhibition-hl {
        font-size: 24px; } }
  .bnr-exhibition-txt {
    margin-top: 1em;
    line-height: 1.75; }
    @media screen and (max-width: 767px) {
      .bnr-exhibition-txt {
        font-size: 14px; } }
  .bnr-exhibition-btn {
    width: 240px;
    margin-top: 1em;
    padding: 16px 48px 16px 32px;
    background-image: linear-gradient(90deg, #0042b8, #41b4ff);
    position: relative;
    z-index: 1;
    display: inline-block;
    color: #fff;
    text-align: center; }
    @media screen and (max-width: 767px) {
      .bnr-exhibition-btn {
        width: 100%; } }
    .bnr-exhibition-btn::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background: linear-gradient(90deg, #41b4ff, #0042b8);
      opacity: 0;
      transition: opacity .3s ease; }
    .bnr-exhibition-btn::after {
      content: "";
      width: 6px;
      height: 6px;
      border: 0;
      border-top: solid 2px #fff;
      border-right: solid 2px #fff;
      transform: rotate(45deg);
      position: absolute;
      top: 0;
      right: 10%;
      bottom: 0;
      margin: auto;
      transition: all .2s linear; }
    .bnr-exhibition-btn:hover::before {
      opacity: 1; }
    .bnr-exhibition-btn:hover::after {
      right: 8%; }
  @media screen and (max-width: 767px) {
    .bnr-exhibition-pic-wrap {
      margin-top: 30px; } }

.container {
  width: 100%;
  overflow: hidden; }

.header {
  width: 100%;
  margin: 0 auto;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between; }
  .header-logo {
    width: 100%;
    display: block; }
    .header-logo-wrap {
      width: 165px;
      margin-left: 3%;
      display: flex;
      align-items: center;
      justify-content: flex-start; }
      @media screen and (max-width: 1000px) {
        .header-logo-wrap {
          width: 140px;
          margin-top: 28px;
          margin-left: 5%; } }
  .header-nav {
    width: calc(100% - 200px);
    max-width: 900px;
    margin: 0;
    display: flex;
    justify-content: space-between; }
    .header-nav > li {
      display: flex;
      align-items: center;
      justify-content: space-between; }
      .header-nav > li > a {
        padding: 15px;
        color: #fff; }
    .header-nav-entry > a {
      width: 100%;
      display: inline-block;
      position: relative;
      z-index: 1;
      aspect-ratio: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      background-image: linear-gradient(90deg, #0042b8, #41b4ff); }
      .header-nav-entry > a::before {
        content: "";
        position: absolute;
        top: 0;
        right: 0;
        inset: 0;
        z-index: -1;
        background: linear-gradient(90deg, #41b4ff, #0042b8);
        opacity: 0;
        transition: opacity .3s ease; }
      .header-nav-entry > a:hover::before {
        opacity: 1; }
  .header.fixed {
    background-color: #000; }
    .header.fixed .header-logo-wrap {
      width: 110px; }
      @media screen and (max-width: 1000px) {
        .header.fixed .header-logo-wrap {
          margin-top: 20px;
          margin-bottom: 20px; } }
    .header.fixed .header-nav {
      width: calc(100% - 150px);
      max-width: 800px; }
    .header.fixed .header-nav > li > a {
      padding: 10px;
      font-size: 13px; }

.header-nav-pc {
  display: flex; }

@media screen and (max-width: 999px) {
  .header-nav-pc {
    display: none; } }
.header-nav-item {
  padding-right: 35px;
  display: flex;
  align-items: center;
  justify-content: center; }

.header-nav-item > a {
  color: #2b2828;
  font-size: 14px;
  font-weight: 500;
  transition: all .2s linear; }

.header-nav-item > a:hover {
  text-decoration: underline; }

.header-nav-item:nth-child(n+5) {
  padding-right: 0; }

.header-nav-item:nth-child(n+5) > a {
  width: 120px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff; }

.header-nav-item:nth-child(n+5) > a:hover {
  opacity: .7;
  text-decoration: none; }

.header-nav-item-article > a {
  background-color: #48b4b3; }

.header-nav-item-knowhow > a {
  background-color: #269897; }

.header-nav-item-contact > a {
  background-color: #004499; }

.header-nav-hb {
  display: none; }

@media screen and (max-width: 999px) {
  .header-nav-hb {
    display: block;
    position: fixed;
    top: 32px;
    right: 5%;
    width: 30px;
    height: 24px;
    z-index: 501;
    cursor: pointer;
    transition: all .4s; } }
.header-nav-hb span {
  position: absolute;
  width: 30px;
  height: 2px;
  background: #fff;
  transition: all .4s; }

.header-nav-hb span:first-child {
  top: 0; }

.header-nav-hb span:nth-child(2) {
  top: 10px; }

.header-nav-hb span:nth-child(3) {
  top: 20px; }

.header-nav-hb.hb-open {
  transform: rotate(180deg); }

.header-nav-hb.hb-open span {
  background: #fff; }

.header-nav-hb.hb-open span:first-child {
  width: 24px;
  transform: translate(-6px, 18px) rotate(45deg); }

.header-nav-hb.hb-open span:nth-child(3) {
  width: 24px;
  transform: translate(-6px, -18px) rotate(-45deg); }

.header-nav-sp {
  width: 300px;
  height: 100%;
  padding-top: 60px;
  position: fixed;
  top: 0;
  right: -300px;
  z-index: 500;
  background-color: rgba(6, 6, 28, 0.8); }

.header-nav-sp-list {
  padding: 0 30px;
  display: block; }

.header-nav-sp-list li {
  width: 100%;
  padding: 5px 0; }

.header-nav-sp-list li a {
  color: #fff;
  line-height: 1.75; }

@media screen and (max-width: 1000px) {
  .header.fixed .header-nav-hb {
    top: 20px; } }

.overlay {
  display: none;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 499;
  transition: all .5s linear; }

.footer {
  padding: 50px 3%;
  background-color: #000;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between; }
  @media screen and (max-width: 767px) {
    .footer {
      padding-left: 5%;
      padding-bottom: 20px;
      display: block; } }
  .footer-logo {
    width: 100%;
    display: block; }
    .footer-logo-wrap {
      width: 165px; }
      @media screen and (max-width: 767px) {
        .footer-logo-wrap {
          width: 140px; } }
  .footer-info {
    width: 600px; }
    @media screen and (max-width: 767px) {
      .footer-info {
        width: 100%;
        margin: 30px auto 0; } }
    .footer-info-contact {
      margin-left: 20px;
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      text-align: right; }
      @media screen and (max-width: 767px) {
        .footer-info-contact {
          margin-top: 0;
          margin-left: 0;
          display: block;
          text-align: left; } }
      .footer-info-contact-hl {
        width: 30%; }
    .footer-info-office {
      width: 65%;
      margin-left: 20px; }
      .footer-info-office-hl {
        display: block; }
      .footer-info-office-email {
        margin-top: 5px;
        display: inline-block;
        color: #fff; }
        .footer-info-office-email:hover {
          text-decoration: underline; }
  .footer-cookie {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center; }
    @media screen and (max-width: 767px) {
      .footer-cookie {
        justify-content: flex-start;
        margin-top: 12px; } }
    .footer-cookie-link {
      color: #fff; }
      .footer-cookie-link:hover {
        text-decoration: underline; }
  .footer-cr {
    margin-top: 20px;
    font-size: 12px;
    text-align: right; }
    @media screen and (max-width: 767px) {
      .footer-cr {
        text-align: center;
        font-size: 11px;
        font-weight: 300; } }

.hero {
  height: 90vh;
  min-height: 700px;
  background: url("../img/key-bg.png") center -100px no-repeat;
  background-size: cover;
  display: flex;
  position: relative;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center; }
  @media screen and (max-width: 1599px) {
    .hero {
      background-position: center top; } }
  @media screen and (max-width: 1000px) {
    .hero {
      height: 640px;
      min-height: initial; } }
  @media screen and (max-width: 767px) {
    .hero {
      height: 480px; } }
  .hero-grad {
    width: 100%;
    height: 100px;
    background: linear-gradient(0deg, #06061c 0%, rgba(6, 6, 28, 0) 100%);
    position: absolute;
    bottom: 0; }
  .hero-inner {
    width: 78%; }
    @media screen and (max-width: 767px) {
      .hero-inner {
        width: 90%;
        margin: 0 auto; } }
  .hero-logo {
    width: 80%;
    max-width: 800px;
    margin: 0;
    padding: 0;
    display: block; }
    @media screen and (max-width: 767px) {
      .hero-logo {
        width: 90%;
        margin: 0 auto; } }
  .hero-ov {
    margin-top: 40px;
    display: flex;
    align-items: center;
    justify-content: flex-start; }
    @media screen and (max-width: 767px) {
      .hero-ov {
        display: block;
        margin-top: 30px; } }
  .hero-period {
    font-size: 28px;
    font-weight: 500;
    text-shadow: 0 5px 10px rgba(0, 0, 0, 0.5);
    letter-spacing: .15em; }
    @media screen and (max-width: 767px) {
      .hero-period {
        font-size: 20px;
        text-align: center; } }
  .hero-venue {
    margin-left: 20px;
    font-size: 28px;
    font-weight: 600;
    text-shadow: 0 5px 10px rgba(0, 0, 0, 0.5);
    letter-spacing: .2em; }
    @media screen and (max-width: 767px) {
      .hero-venue {
        font-size: 18px;
        text-align: center; } }
  .hero-btn {
    width: 80%;
    max-width: 300px;
    margin-top: 40px;
    padding: 15px;
    background-image: linear-gradient(90deg, #0042b8, #41b4ff);
    position: relative;
    z-index: 1;
    display: block;
    box-shadow: 3px 5px 10px rgba(102, 102, 102, 0.4), -3px -5px 10px rgba(221, 221, 221, 0.15);
    color: #fff;
    font-size: 18px;
    font-weight: 500;
    text-align: center;
    letter-spacing: .1em; }
    @media screen and (max-width: 767px) {
      .hero-btn {
        margin: 30px auto 0;
        font-size: 16px; } }
    .hero-btn::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background: linear-gradient(90deg, #41b4ff, #0042b8);
      opacity: 0;
      transition: opacity .3s ease; }
    .hero-btn::after {
      content: "";
      width: 6px;
      height: 6px;
      border: 0;
      border-top: solid 2px #fff;
      border-right: solid 2px #fff;
      transform: rotate(45deg);
      position: absolute;
      top: 0;
      right: 10%;
      bottom: 0;
      margin: auto;
      transition: all .2s linear; }
    .hero-btn:hover::before {
      opacity: 1; }
    .hero-btn:hover::after {
      right: 8%; }

.lede {
  position: relative;
  background: url("../img/lede-pic.png") right 50% no-repeat; }
  @media screen and (max-width: 1000px) {
    .lede {
      background-position: right -100px top 50%;
      background-size: 400px auto; } }
  .lede-inner {
    width: 90%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 100px 0; }
    @media screen and (max-width: 767px) {
      .lede-inner {
        padding: 60px 0; } }
  .lede-txt {
    font-size: 30px;
    font-weight: 300;
    line-height: 2.4;
    letter-spacing: .1em; }
    @media screen and (max-width: 1000px) {
      .lede-txt {
        font-size: 18px;
        line-height: 2;
        letter-spacing: .05em; } }
    .lede-txt-wrap {
      margin-top: 2em; }

.feature {
  background: url("../img/grad-bg.png") center bottom no-repeat;
  background-size: contain; }
  .feature-merit {
    width: 90%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 100px 0;
    margin-top: 0;
    padding-top: 0;
    display: flex;
    justify-content: space-between; }
    @media screen and (max-width: 767px) {
      .feature-merit {
        padding: 0 0 60px;
        display: block; } }
    .feature-merit li {
      width: 31.5%;
      padding: 40px;
      border-radius: 10px;
      background-color: rgba(0, 0, 0, 0.2);
      text-align: center; }
      @media screen and (max-width: 767px) {
        .feature-merit li {
          width: 100%;
          padding: 25px; } }
      @media screen and (max-width: 767px) {
        .feature-merit li:nth-child(n+2) {
          margin-top: 20px; } }
    @media screen and (max-width: 767px) {
      .feature-merit-hl {
        margin-top: 0;
        padding-top: 0; } }
    .feature-merit-hl-num {
      display: block;
      font-family: "Jost", sans-serif;
      font-size: 80px;
      font-weight: 400;
      line-height: 1; }
      @media screen and (max-width: 767px) {
        .feature-merit-hl-num {
          font-size: 40px; } }
    .feature-merit-hl-txt {
      margin-top: 20px;
      font-size: 30px;
      font-weight: 400;
      letter-spacing: .05em; }
      @media screen and (max-width: 767px) {
        .feature-merit-hl-txt {
          margin-top: 10px;
          font-size: 20px; } }
    .feature-merit-txt {
      margin-top: 30px;
      font-size: 14px;
      font-weight: 400;
      letter-spacing: .1em; }
      @media screen and (max-width: 767px) {
        .feature-merit-txt {
          margin-top: 10px; } }
      .feature-merit-txt::before {
        content: "";
        width: 50px;
        height: 2px;
        margin: 0 auto 30px;
        background-color: #fff;
        display: block; }
        @media screen and (max-width: 767px) {
          .feature-merit-txt::before {
            margin-bottom: 10px; } }

.guest {
  padding: 80px 0;
  background-color: #090926; }
  .guest-list {
    width: 90%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 100px 0;
    padding-top: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between; }
    @media screen and (max-width: 767px) {
      .guest-list {
        padding: 0 0 60px;
        display: block; } }
    .guest-list::after {
      content: "";
      display: block;
      width: 30%; }
    .guest-list > li {
      width: 30%;
      position: relative; }
      @media screen and (max-width: 767px) {
        .guest-list > li {
          width: 100%; } }
      @media screen and (max-width: 767px) {
        .guest-list > li:nth-child(n+2) {
          margin-top: 40px; } }
      .guest-list > li:nth-child(n+4) {
        margin-top: 30px; }
        @media screen and (max-width: 767px) {
          .guest-list > li:nth-child(n+4) {
            margin-top: 40px; } }
  .guest-pic {
    width: 100%;
    display: block; }
    .guest-pic-wrap {
      position: relative; }
    .guest-pic-grad {
      width: 100%;
      height: 50px;
      background: linear-gradient(0deg, #06061c 0%, rgba(9, 9, 38, 0) 100%);
      position: absolute;
      bottom: 0; }
  .guest-prof {
    margin-top: -50px;
    padding: 0 8px;
    position: relative;
    z-index: 10; }
    .guest-prof-session {
      padding: 5px 10px;
      background-color: #008ee7;
      display: inline-block;
      color: #fff;
      font-size: 14px;
      font-weight: 500; }
    .guest-prof-comp {
      margin-top: 8px;
      font-size: 14px;
      letter-spacing: .1em; }
    .guest-prof-posi {
      margin-top: 6px;
      font-size: 14px;
      letter-spacing: .1em; }
    .guest-prof-name {
      margin-top: 8px;
      font-size: 18px;
      letter-spacing: .1em; }
      .guest-prof-name-note {
        color: #999;
        font-size: 12px;
        letter-spacing: normal; }

.timetable-sec {
  padding: 100px 0; }

:root {
  --header-color: #3d4066;
  --session-header-color: #8b8ead;
  --border-color: #ddd;
  --time-column-width: 60px;
  --row-height: 50px;
  /* Room別カラー */
  --room-a-color: #8687b8;
  --room-b-color: #5c5d91;
  --room-c-color: #404082;
  --room-d-color: #23235f; }

/* ======================
 PC版レイアウト (768px以上)
 ====================== */
.timetable {
  display: grid;
  grid-template-columns: var(--time-column-width) repeat(4, 1fr);
  max-width: 1080px;
  margin: 0 auto;
  position: relative; }

.timetable-header {
  background: var(--header-color);
  color: #fff;
  padding: 12px 8px;
  text-align: center;
  font-weight: bold;
  font-size: 14px; }

.timetable-header.time-header {
  background: transparent; }

/* Room別ヘッダーカラー */
.timetable-header.header-room-a {
  background: var(--room-a-color); }

.timetable-header.header-room-b {
  background: var(--room-b-color); }

.timetable-header.header-room-c {
  background: var(--room-c-color); }

.timetable-header.header-room-d {
  background: var(--room-d-color); }

.time-grid {
  display: grid;
  grid-template-columns: var(--time-column-width) repeat(4, 1fr);
  grid-template-rows: repeat(37, var(--row-height));
  grid-column: 1 / -1; }

.time-label {
  grid-column: 1;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding-right: 10px;
  font-size: 13px;
  color: #fff;
  transform: translateY(-8px); }

.grid-line {
  grid-column: 2 / -1;
  border-top: 1px solid rgba(255, 255, 255, 0.3); }

.grid-line.half-hour {
  border-top: 1px solid rgba(255, 255, 255, 0.3); }

.timetable .sessions {
  grid-column: 2 / -1;
  grid-row: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(37, var(--row-height)); }

/* PC版セッションカード */
.session {
  background: #fff;
  margin: 2px;
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s; }

.session:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2); }

.session-header {
  background: var(--session-header-color);
  color: #fff;
  padding: 6px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center; }

/* Room別セッションヘッダーカラー */
.session.room-a .session-header {
  background: var(--room-a-color); }

.session.room-b .session-header {
  background: var(--room-b-color); }

.session.room-c .session-header {
  background: var(--room-c-color); }

.session.room-d .session-header {
  background: var(--room-d-color); }

.session-id {
  font-size: 12px;
  font-weight: bold; }

.session-time {
  font-size: 11px; }

.session-body {
  padding: 8px 10px;
  flex: 1;
  display: flex;
  flex-direction: column; }

.session-title {
  font-size: 12px;
  line-height: 1.4;
  color: #333;
  flex: 1; }

.session-body-p {
  margin-bottom: 1em;
  padding-bottom: 1em; }

.session-body-p-time {
  display: block; }

.session-body-p-ttl {
  margin-top: 0.25em;
  display: block; }

.session-body-p-company {
  margin-top: 3px;
  display: block;
  font-size: 10px;
  color: #666; }

.session-body-p-company-note {
  color: #999; }

.session-company {
  font-size: 10px;
  margin-top: 4px;
  color: #666; }

/* セッション配置 */
.keynote {
  grid-column: 1 / 4;
  grid-row: 2 / 13; }

.lunch {
  grid-column: 4;
  grid-row: 13 / 17; }

.session-a1 {
  grid-column: 1;
  grid-row: 18 / 21; }

.session-a2 {
  grid-column: 1;
  grid-row: 22 / 25; }

.session-a3 {
  grid-column: 1;
  grid-row: 26 / 29; }

.session-a4 {
  grid-column: 1;
  grid-row: 30 / 33; }

.session-b1 {
  grid-column: 2;
  grid-row: 19 / 24; }

.session-b2 {
  grid-column: 2;
  grid-row: 25 / 27; }

.session-b3 {
  grid-column: 2;
  grid-row: 28 / 30; }

.session-b4 {
  grid-column: 2;
  grid-row: 31 / 33; }

.session-c1 {
  grid-column: 3;
  grid-row: 18 / 20; }

.session-c2 {
  grid-column: 3;
  grid-row: 21 / 24; }

.session-c3 {
  grid-column: 3;
  grid-row: 25 / 28; }

.session-c4 {
  grid-column: 3;
  grid-row: 29 / 32; }

.session-d1 {
  grid-column: 4;
  grid-row: 18 / 21; }

.session-d2 {
  grid-column: 4;
  grid-row: 22 / 25; }

.session-d3 {
  grid-column: 4;
  grid-row: 26 / 29; }

.session-d4 {
  grid-column: 4;
  grid-row: 30 / 33; }

.wrapup {
  grid-column: 4;
  grid-row: 34 / 37; }

/* ======================
   スマホ版タブUI
   ====================== */
.mobile-timetable {
  display: none;
  width: 90%;
  max-width: 600px;
  margin: 0 auto; }

.tab-nav {
  display: flex;
  background: #fff;
  border-radius: 8px 8px 0 0;
  overflow: hidden;
  border-bottom: none; }

.tab-btn {
  flex: 1;
  padding: 12px 8px;
  background: #f5f5f5;
  border: none;
  font-size: 12px;
  font-weight: bold;
  color: #666;
  cursor: pointer;
  transition: all 0.2s;
  border-right: 1px solid var(--border-color); }

.tab-btn:last-child {
  border-right: none; }

.tab-btn.active {
  background: var(--header-color);
  color: #fff; }

/* タブボタンRoom別カラー */
.tab-btn[data-tab="A"].active {
  background: var(--room-a-color); }

.tab-btn[data-tab="B"].active {
  background: var(--room-b-color); }

.tab-btn[data-tab="C"].active {
  background: var(--room-c-color); }

.tab-btn[data-tab="D"].active {
  background: var(--room-d-color); }

.tab-content {
  border: solid 1px rgba(255, 255, 255, 0.25);
  border-radius: 0 0 8px 8px;
  padding: 16px;
  min-height: 400px; }

.tab-panel {
  display: none; }

.tab-panel.active {
  display: block; }

/* スマホ版セッションカード */
.mobile-session {
  background: #fff;
  margin-bottom: 12px;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s; }

.mobile-session:last-child {
  margin-bottom: 0; }

.mobile-session:active {
  transform: scale(0.98); }

.mobile-session-header {
  background: var(--session-header-color);
  color: #fff;
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center; }

/* スマホ版Room別カラー */
.mobile-session.room-a .mobile-session-header {
  background: var(--room-a-color); }

.mobile-session.room-b .mobile-session-header {
  background: var(--room-b-color); }

.mobile-session.room-c .mobile-session-header {
  background: var(--room-c-color); }

.mobile-session.room-d .mobile-session-header {
  background: var(--room-d-color); }

.mobile-session-id {
  font-size: 14px;
  font-weight: bold; }

.mobile-session-time {
  font-size: 13px; }

.mobile-session-body {
  padding: 12px 14px; }

.mobile-session-title {
  font-size: 14px;
  line-height: 1.6;
  color: #333;
  margin-bottom: 8px; }

.mobile-session-company {
  font-size: 12px;
  color: #666; }

.no-session {
  text-align: center;
  color: #999;
  padding: 40px 20px; }

/* ======================
   モーダル
   ====================== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: 20px; }

.modal-overlay.active {
  display: flex; }

.modal {
  background: #fff;
  border-radius: 8px;
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  animation: modalIn 0.3s ease; }

@keyframes modalIn {
  from {
    opacity: 0;
    transform: translateY(-20px); }
  to {
    opacity: 1;
    transform: translateY(0); } }
.modal-header {
  background: var(--header-color);
  color: #fff;
  padding: 20px 24px;
  position: relative; }

/* モーダルヘッダーRoom別カラー */
.modal-header.modal-room-a {
  background: var(--room-a-color); }

.modal-header.modal-room-b {
  background: var(--room-b-color); }

.modal-header.modal-room-c {
  background: var(--room-c-color); }

.modal-header.modal-room-d {
  background: var(--room-d-color); }

.modal-session-id {
  font-size: 14px;
  opacity: 0.9;
  margin-bottom: 8px; }

.modal-title {
  font-size: 20px;
  font-weight: bold;
  line-height: 1.4;
  padding-right: 40px; }

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  opacity: 0.8;
  transition: opacity 0.2s;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center; }

.modal-close:hover {
  opacity: 1; }

.modal-body {
  padding: 24px; }

/* セッション概要 */
.modal-section {
  margin-bottom: 24px; }

.modal-section:last-child {
  margin-bottom: 0; }

.modal-section-title {
  font-size: 14px;
  font-weight: bold;
  color: #333;
  margin-bottom: 10px; }

.modal-description-text {
  color: #555;
  line-height: 1.8;
  font-size: 14px; }

/* 会場・時間 */
.modal-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee; }

.modal-info-item {
  display: flex;
  flex-direction: column;
  gap: 4px; }

.modal-info-label {
  font-size: 12px;
  color: #888;
  font-weight: bold; }

.modal-info-value {
  font-size: 15px;
  color: #333; }

/* 登壇者 */
.modal-speakers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px; }

.speaker-card {
  display: flex;
  gap: 12px; }

.speaker-photo {
  width: 80px;
  height: 80px;
  background: #e0e0e0;
  border-radius: 4px;
  flex-shrink: 0;
  overflow: hidden; }

.speaker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover; }

.speaker-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px; }

.speaker-company {
  font-size: 12px;
  color: #666; }

.speaker-department {
  font-size: 11px;
  color: #888; }

.speaker-position {
  font-size: 11px;
  color: #888; }

.speaker-name {
  font-size: 15px;
  font-weight: bold;
  color: #333;
  margin-top: 4px; }

.modal-footer {
  padding: 16px 24px;
  background: #f9f9f9;
  border-top: 1px solid #eee;
  text-align: right; }

.modal-btn {
  background: #2d3050;
  color: #fff;
  border: none;
  padding: 10px 24px;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s; }

.modal-btn:hover {
  opacity: .75; }

/* ======================
   レスポンシブ (767px以下)
   ====================== */
@media (max-width: 767px) {
  .timetable {
    display: none; }

  .mobile-timetable {
    display: block; }

  .modal {
    max-height: 90vh;
    border-radius: 8px; }

  .modal-header {
    padding: 16px; }

  .modal-title {
    font-size: 18px; }

  .modal-body {
    padding: 16px; }

  .modal-info-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px; }

  .modal-speakers-grid {
    grid-template-columns: 1fr;
    gap: 16px; }

  .speaker-photo {
    width: 70px;
    height: 70px; }

  .modal-footer {
    padding: 12px 16px; } }
.ov {
  padding: 80px 0;
  background-color: #090926; }
  .ov-table {
    width: 90%;
    max-width: 960px;
    margin: 0 auto;
    display: block; }
    .ov-table th {
      width: 25%;
      padding: 15px 0;
      text-align: left;
      vertical-align: top;
      line-height: 2; }
      @media screen and (max-width: 767px) {
        .ov-table th {
          width: 100%;
          padding-bottom: 0;
          display: block; } }
    .ov-table td {
      width: 75%;
      padding: 15px 0;
      line-height: 2; }
      @media screen and (max-width: 767px) {
        .ov-table td {
          width: 100%;
          padding-top: 0;
          display: block; } }

.access {
  padding: 80px 0 0; }
  .access-map {
    width: 100%;
    margin-top: 50px; }
    .access-map > iframe {
      width: 100%;
      height: 400px; }
  .access-table {
    width: 90%;
    max-width: 960px;
    margin: 50px auto 0; }
    .access-table th {
      width: 25%;
      padding: 15px 0;
      text-align: left;
      vertical-align: top;
      line-height: 2; }
      @media screen and (max-width: 767px) {
        .access-table th {
          width: 100%;
          padding-bottom: 0;
          display: block; } }
    .access-table td {
      width: 75%;
      padding: 15px 0;
      line-height: 2; }
      @media screen and (max-width: 767px) {
        .access-table td {
          width: 100%;
          padding-top: 0;
          display: block; } }
  .access-venue {
    margin: 0;
    padding: 0;
    font-size: 28px;
    font-weight: 500;
    line-height: 1; }
    @media screen and (max-width: 767px) {
      .access-venue {
        font-size: 20px; } }
  .access-address {
    margin-top: .5em; }
  .access-station {
    margin-top: .75em; }
    @media screen and (max-width: 767px) {
      .access-station {
        margin-top: 0; } }

.entry {
  width: 100%;
  padding: 160px 0;
  background: url("../img/grad-bg.png") center bottom -150px no-repeat;
  background-size: cover; }
  @media screen and (max-width: 767px) {
    .entry {
      padding: 60px 0; } }
  .entry-btn {
    width: 90%;
    max-width: 480px;
    margin: 0 auto;
    padding: 25px;
    background-image: linear-gradient(90deg, #0042b8, #41b4ff);
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 5px 10px 20px rgba(102, 102, 102, 0.4), -5px -10px 20px rgba(221, 221, 221, 0.15);
    color: #fff;
    font-size: 24px;
    font-weight: 500;
    text-align: center;
    letter-spacing: .1em; }
    @media screen and (max-width: 767px) {
      .entry-btn {
        padding: 15px;
        font-size: 16px; } }
    .entry-btn::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background: linear-gradient(90deg, #41b4ff, #0042b8);
      opacity: 0;
      transition: opacity .3s ease; }
    .entry-btn::after {
      content: "";
      width: 6px;
      height: 6px;
      border: 0;
      border-top: solid 2px #fff;
      border-right: solid 2px #fff;
      transform: rotate(45deg);
      position: absolute;
      top: 0;
      right: 10%;
      bottom: 0;
      margin: auto;
      transition: all .2s linear; }
    .entry-btn:hover::before {
      opacity: 1; }
    .entry-btn:hover::after {
      right: 8%; }