/* Reset & Base Styles */
:root {
  --color-base-primary: #35a2ea;
  --stroke-weight-1: 1px;
  --Gradient: linear-gradient(
    90deg,
    #220604 0%,
    #ff4b00 23%,
    #ffc200 40%,
    #fff 50%,
    #f697bd 60%,
    #006cbb 80%,
    #040810 100%
  );
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family:
    "Noto Sans JP",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Helvetica Neue",
    Arial,
    sans-serif;
  line-height: 1.8;
  color: #030303;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media screen and (min-width: 768px) and (max-width: 1023px) {
  body {
    -webkit-transition: 0.3s;
    transition: 0.3s;
    min-width: auto !important;
  }
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: opacity 0.3s ease;
}

a:hover {
  opacity: 0.8;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

/* ====================
   Background
   ==================== */
.bg {
  z-index: 0;
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  overflow: hidden;
  background-size: cover;
  background-image: url("../images/background-texture.svg");
  background-blend-mode: lighten;
}

.page-container {
  width: 100%;
  min-height: 100vh;
  background: linear-gradient(135deg, #0074ff 0%, #00c9ff 100%);
}

/* ====================
   Header Navigation
   ==================== */
.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(3, 3, 3, 0.6);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: transform 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-nav.scroll-down {
  transform: translateY(-100%);
}

.header-nav.scroll-up {
  transform: translateY(0);
}

.header-container {
  max-width: 1440px;
  height: 100%;
  margin: 0 auto;
  padding: 0 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo img {
  height: 55px;
  width: auto;
  min-width: 180px;
}

.header-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  text-wrap-mode: nowrap;
}

.menu-item {
  font-size: 20px;
  font-weight: 500;
  color: #ffffff;
  transition: all 0.3s ease;
  position: relative;
  padding: 8px 20px;
  border-radius: 99px;
  text-wrap-mode: nowrap;
}

.menu-item::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #ffffff;
  transition: width 0.3s ease;
  text-wrap-mode: nowrap;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
  opacity: 1;
}

.menu-item:hover::after {
  width: 100%;
}

.menu-cta {
  background: transparent;
  color: #ffffff;
  padding: 8px 24px;
  border: 1px solid #ffffff;
  border-radius: 8px;
  font-size: 20px;
  font-weight: 500;
  transition: all 0.3s ease;
  text-wrap-mode: nowrap;
}

.menu-cta:hover {
  background: rgba(255, 255, 255, 0.1);
  opacity: 1;
}

.mobile-menu-button {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-button img {
  width: 28px;
  height: 28px;
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
  display: flex;
  opacity: 1;
}

.mobile-menu-nav {
  width: 100%;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-menu-item {
  font-size: 20px;
  font-weight: 500;
  color: #ffffff;
  text-align: center;
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.mobile-menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
  opacity: 1;
}

.mobile-menu-cta {
  background: #ff6b6b;
  color: #ffffff;
  padding: 16px 32px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
  margin-top: 20px;
  transition: all 0.3s ease;
}

.mobile-menu-cta:hover {
  background: #ff5252;
  transform: scale(1.05);
  opacity: 1;
}

/* ====================
   FV Section
   ==================== */
.fv-section {
  position: relative;
  width: 100%;
  height: 546px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px;
}

.fv-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.fv-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fv-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 100px 20px 0;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  gap: 40px;
}

.fv-text-container {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 0;
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  max-width: calc(100% - 460px);
}

.fv-people-container {
  flex-shrink: 0;
  width: 480px;
  max-width: 480px;
}

.fv-people-container img {
  width: 100%;
  height: auto;
}

.fv-text-container-inner {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 0;
  line-height: normal;
}

.fv-event-title {
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: 0;
  line-height: normal;
  padding: 0 0 90px 0;
  max-width: 100%;
}

/* Brand Logo */
.fv-brand-logo {
  margin-bottom: 0;
}

.brand-text {
  font-family: "Jost", sans-serif;
  font-size: 36px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.05em;
  text-wrap-mode: nowrap;
}

/* Expo Title */
.fv-expo-title {
  margin-bottom: 80px;
}

.expo-title-text {
  font-family: "Jost", sans-serif;
  font-size: 32px;
  font-weight: 500;
  color: #ffffff;
  text-wrap-mode: nowrap;
}

/* Main Title - Go to REVENUE */
.fv-main-title {
  margin-bottom: 20px;
}

.goto-revenue {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  font-family: "Jost", sans-serif;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  margin: 0;
}

.goto-text {
  font-size: 96px;
  letter-spacing: 0.02em;
  position: relative;
  display: inline-flex;
  align-items: flex-start;
}

.to-superscript {
  font-size: 48px;
  vertical-align: super;
  margin-left: -8px;
}

.revenue-text {
  font-size: 144px;
  letter-spacing: 0.05em;
  margin-left: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #a8c5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Subtitle */
.fv-subtitle {
  margin-bottom: 40px;
  max-width: 100%;
}

.subtitle-text {
  font-family: serif;
  font-size: 38px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  margin: 0;
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* Event Info */
.fv-event-info {
  display: flex;
  padding: 20px 110px;
  justify-content: center;
  align-items: flex-end;
  gap: 20px;
  align-self: stretch;
  position: relative;
  background: #040810;
}

.event-type-badge {
  padding: 8px 24px;
  display: inline-flex;
  align-items: center;
}

.event-type-badge img {
  min-width: 180px;
}

.event-type-text {
  font-family: "Jost", sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.15em;
}

.event-date {
  display: inline-flex;
  align-items: flex-end;
  gap: 4px;
  text-wrap-mode: nowrap;
}

.date-text {
  font-family: "Jost", sans-serif;
  font-size: 24px;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: 0.05em;
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-wrap-mode: nowrap;
}

.date-large {
  font-size: 48px;
  font-weight: 700;
  color: #ffffff;
}

.date-day {
  font-size: 20px;
  font-weight: 400;
  color: #ffffff;
  margin-left: 4px;
}

.event-free-badge {
  background: rgba(255, 255, 255, 0);
  padding: 8px 20px;
  border: 2px solid #ffffff;
  display: inline-flex;
  align-items: center;
  border-radius: 4px;
  margin-left: 20px;
}

.free-text {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 18px;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 0.1em;
  text-wrap-mode: nowrap;
}

/* ====================
   Corporate Logo Section
   ==================== */
.corporate-logos {
  background-color: #fff;
  padding: 0;
  overflow: hidden;
  position: relative;
}

.corporate-logos-scroll {
  width: 100%;
  overflow: hidden;
}

.corporate-logos-track {
  display: flex;
  gap: 20px;
  animation: scroll 20s linear infinite;
  width: max-content;
}

.corporate-logo-item {
  flex-shrink: 0;
  width: 260px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  padding: 10px;
}

.corporate-logo-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

@media (max-width: 767px) {
  .corporate-logo-item {
    width: 180px;
    height: 70px;
  }
}

/* ====================
   CTA Section
   ==================== */
.cta-section {
  position: relative;
  background: rgba(4, 4, 4, 0.6);
  padding: 80px 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.cta-section.dark {
  background: rgba(0, 0, 0, 0.8);
}

.cta-message {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 500;
  color: #ffffff;
  text-align: center;
  letter-spacing: 0;
  line-height: 1.9;
}

/* CTAボタンの点滅アニメーション */
@keyframes blink-shadow {
  0% {
    box-shadow:
      13px 13px 30px 0px rgba(0, 98, 255, 0.35),
      0px 4px 40px 0px rgba(255, 255, 255, 0.25);
  }
  50% {
    box-shadow:
      13px 13px 50px 0px rgba(0, 98, 255, 0.65),
      0px 4px 60px 0px rgba(255, 255, 255, 0.55);
  }
  100% {
    box-shadow:
      13px 13px 30px 0px rgba(0, 98, 255, 0.35),
      0px 4px 40px 0px rgba(255, 255, 255, 0.25);
  }
}

.cta-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  background: #ffffff;
  padding: 30px;
  border: 6px solid #0057ff;
  border-radius: 999px;
  box-shadow:
    13px 13px 30px 0px rgba(0, 98, 255, 0.35),
    0px 4px 40px 0px rgba(255, 255, 255, 0.25);
  transition: all 0.3s ease;
  text-decoration: none;
  animation: blink-shadow 2s ease-in-out infinite;
}

.cta-button:hover {
  transform: translateY(-4px);
  box-shadow:
    13px 13px 35px 0px rgba(0, 98, 255, 0.45),
    0px 4px 45px 0px rgba(255, 255, 255, 0.35);
  opacity: 1;
}

.cta-free-badge {
  background: #0057ff;
  color: #ffffff;
  border-radius: 50%;
  width: 110px;
  height: 110px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 24px;
  font-weight: 700;
  line-height: normal;
  text-align: center;
  flex-shrink: 0;
  padding: 20px;
}

.cta-text {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 52px;
  font-weight: 700;
  color: #0057ff;
  letter-spacing: -1.56px;
  line-height: 64px;
  text-align: center;
  text-wrap-mode: nowrap;
}

.cta-arrow {
  width: 96px;
  height: 96px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta-arrow img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ====================
   Concept Section
   ==================== */
.concept-section {
  position: relative;
  background: rgba(0, 0, 0, 0.6);
  padding: 80px 100px;
}

.concept-container {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  gap: 160px;
  align-items: center;
}

.concept-left {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.concept-logo {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.concept-logo-svg {
  width: 100%;
  height: auto;
  max-width: 540px;
}

.concept-logo-text {
  font-family: "Shippori Mincho", serif;
  font-size: 64px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
}

.concept-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.concept-title {
  font-family: "Shippori Mincho", serif;
  font-size: 40px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0;
  line-height: 2;
}

.concept-text {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 500;
  color: #ffffff;
  line-height: 1.9;
  letter-spacing: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.concept-text p {
  margin-bottom: 0;
}

/* ====================
   Section Headers
   ==================== */
.section-header {
  text-align: center;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.section-title {
  font-family: "Jost", sans-serif;
  font-size: 88px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -1.32px;
  line-height: 1.05;
  margin: 0;
}

.section-title.dark {
  color: #030303;
}

.title-line {
  width: 70px;
  height: 4px;
  border-radius: 999px;
  background: var(--Gradient, #220604);
}

.title-line.dark {
  background: #030303;
}

.title-line.red {
  background: #ff6b6b;
}

/* ====================
   Day Header
   ==================== */
.day-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  margin: 0 0 40px;
  width: 100%;
}

.day-divider-line {
  flex: 1;
  height: 1px;
  background: #ffffff;
  opacity: 0.5;
}

.day-title {
  font-family: "Jost", sans-serif;
  font-size: 36px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: -0.36px;
  line-height: 1.2;
  white-space: nowrap;
  margin: 0;
  text-align: center;
}

/* ====================
   Keynote Section
   ==================== */
.keynote-section {
  position: relative;
  background: rgba(0, 0, 0, 0.6);
  border-top: 10px solid;
  border-bottom: 10px solid;
  border-image-source: var(--Gradient);
  border-image-slice: 1;
  padding: 80px 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.keynote-contents {
  max-width: 1240px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.keynote-card {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid #ffffff;
  border-radius: 20px;
  padding: 20px;
  width: 100%;
}

.keynote-speaker-image {
  flex: 1 0 0;
  aspect-ratio: 1 / 1;
  min-width: 320px;
  max-width: 360px;
  min-height: 320px;
  max-height: 360px;
  background: #ffffff;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}

.keynote-speaker-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.keynote-content {
  flex: 1 0 0;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.keynote-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: fit-content;
}

.label-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.label-icon svg {
  width: 24px;
  height: 24px;
}

.label-text {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 500;
  color: #ffffff;
  line-height: 1.9;
  letter-spacing: 0;
}

.keynote-title {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.5;
  letter-spacing: 0;
  margin: 0;
}

.speaker-info {
  display: flex;
  flex-direction: column;
  gap: 0;
  color: #ffffff;
}

.speaker-name-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.speaker-name-main {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.5;
  letter-spacing: 0;
  margin: 0;
}

.speaker-name-honorific {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 500;
  color: #ffffff;
  line-height: 1.9;
  letter-spacing: 0;
  margin: 0;
}

.speaker-company-info {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.speaker-company {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 500;
  color: #ffffff;
  line-height: 1.9;
  letter-spacing: 0;
  margin: 0;
}

.speaker-position {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 500;
  color: #ffffff;
  line-height: 1.9;
  letter-spacing: 0;
  margin: 0;
}

.speaker-bio-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
  width: 100%;
}

.speaker-bio-container {
  width: 100%;
  overflow: hidden;
}

.speaker-bio {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #ffffff;
  line-height: 1.7;
  letter-spacing: 0;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

.speaker-bio.expanded {
  -webkit-line-clamp: unset;
  line-clamp: unset;
  display: block;
}

.more-button-wrapper {
  display: flex;
  justify-content: flex-end;
  width: 100%;
}

.more-button {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 4px;
  background: transparent;
  border: none;
  color: #ffffff;
  font-family: "Noto Sans CJK JP", "Noto Sans JP", sans-serif;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: 0;
  cursor: pointer;
  border-radius: 2px;
  transition: all 0.3s ease;
  text-align: right;
}

.more-button:hover {
  background: rgba(255, 255, 255, 0.1);
}

.more-button svg {
  transition: transform 0.3s ease;
}

.more-button.expanded svg {
  transform: rotate(180deg);
}

.more-button svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.more-button.dark {
  color: #030303;
}

.more-button.dark:hover {
  background: rgba(0, 0, 0, 0.05);
}

/* ====================
   TimeTable Section
   ==================== */
.timetable-section {
  position: relative;
  background: #ffffff;
  padding: 80px 100px;
}

.timetable-content {
  max-width: 1240px;
  margin: 0 auto;
}

.timetable-columns {
  display: flex;
  gap: 40px;
}

.timetable-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
}

.day-badge {
  background: #41464d;
  color: #ffffff;
  padding: 20px 60px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.day-text {
  font-family: "Jost", sans-serif;
  font-size: 36px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.36px;
}

.date-text {
  font-family: "Jost", sans-serif;
  font-size: 36px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.36px;
}

.session-item {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.session-time {
  font-family: "Jost", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 500;
  color: #41464d;
  letter-spacing: 1.68px;
  padding-left: 58px;
  line-height: 1;
  margin-bottom: 0;
}

.session-number-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.session-number {
  font-family: "Jost", sans-serif;
  font-size: 36px;
  font-weight: 600;
  color: #046dff;
  line-height: 1.2;
  letter-spacing: -0.36px;
  width: 50px;
  text-align: center;
  flex-shrink: 0;
}

.session-title {
  font-family: "Noto Sans CJK JP", "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 500;
  color: #001125;
  line-height: 1.9;
  flex: 1;
}

.session-company {
  font-family: "Noto Sans CJK JP", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #4e81a5;
  line-height: 1.7;
  padding-left: 58px;
}

/* ====================
   Program Section
   ==================== */
.program-section {
  position: relative;
  background: #ffffff;
  padding: 80px 100px;
}

.program-day-label {
  max-width: 1240px;
  margin: 0 auto 40px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.day-label-text {
  font-family: "Jost", sans-serif;
  font-size: 36px;
  font-weight: 600;
  color: #030303;
  letter-spacing: -0.36px;
  line-height: 1.2;
}

.program-ceremony {
  max-width: 1240px;
  margin: 0 auto 40px;
  background: #41464d;
  padding: 20px 60px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ceremony-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.ceremony-time {
  font-family: "Jost", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #fffdf8;
  letter-spacing: 1.68px;
  line-height: 1;
}

.ceremony-title {
  font-family: "Jost", "Noto Sans JP", sans-serif;
  font-size: 24px;
  font-weight: 600;
  color: #fffdf8;
  letter-spacing: -0.12px;
  line-height: 1.25;
}

.program-session {
  max-width: 1240px;
  margin: 0 auto 40px;
  background: transparent;
  padding: 0;
  border-radius: 0;
  overflow: visible;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-bottom: 20px;
}

.session-time-header {
  background: transparent;
  padding: 0 0 16px 0;
  border-bottom: 1px solid #220604;
  font-family: "Jost", "Noto Sans JP", sans-serif;
  font-size: 24px;
  font-weight: 600;
  color: #41464d;
  letter-spacing: -0.12px;
  line-height: 1.25;
}

.session-detail-content {
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.session-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 4px;
}

.tag {
  padding: 8px 12px;
  border-radius: 999px;
  font-family: "Jost", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1.68px;
  line-height: 1;
}

.tag.special {
  position: relative;
  background: #ffffff;
  color: #030303;
  border-radius: 999px;
  border: none;
  padding: 8px 12px;
}

.tag.special::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 999px;
  padding: var(--stroke-weight-1, 1px);
  background: var(--Gradient);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.tag.normal {
  background: transparent;
  color: #030303;
  border: 1px solid #b5bbcd;
}

.session-detail-title {
  font-family: "Noto Sans CJK JP", "Noto Sans JP", sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: #030303;
  line-height: 1.5;
  letter-spacing: 0;
}

.session-description-wrapper {
  position: relative;
  width: 100%;
}

.session-description {
  font-family: "Noto Sans CJK JP", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #41464d;
  line-height: 1.7;
  letter-spacing: 0;
  height: 50px;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0;
  transition: height 0.3s ease;
}

.session-description.expanded {
  height: auto;
  overflow: visible;
}

.description-gradient {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.session-speakers {
  display: flex;
  flex-wrap: wrap;
  gap: 60px 60px;
  margin-top: 0;
}

.speaker-card-small {
  display: flex;
  gap: 20px;
  align-items: center;
  background: transparent;
  padding: 0;
  border-radius: 0;
  flex-shrink: 0;
}

.speaker-photo-small {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  background: #ffffff;
}

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

.speaker-info-small {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 0;
}

.speaker-company-small {
  font-family: "Noto Sans CJK JP", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #030303;
  line-height: 1.7;
  letter-spacing: 0;
}

.speaker-position-small {
  font-family: "Noto Sans CJK JP", "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 400;
  color: #030303;
  line-height: 1.7;
  letter-spacing: 0;
}

.speaker-name-small {
  font-family: "Noto Sans CJK JP", "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 500;
  color: #030303;
  line-height: 1.9;
  letter-spacing: 0;
  margin-top: 0;
}

/* ====================
   Outline Section
   ==================== */
.outline-section {
  position: relative;
  background: rgba(3, 3, 3, 0.6);
  padding: 64px 100px 76px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.outline-container {
  max-width: 1240px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
}

.outline-header {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.outline-title {
  font-family: "Jost", sans-serif;
  font-size: 88px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -1.32px;
  color: #ffffff;
  text-align: center;
  margin: 0;
}

.outline-title-line {
  width: 70px;
  height: 4px;
  background: linear-gradient(90deg, #ff4b00 0%, #ffc200 100%);
  border-radius: 999px;
}

.outline-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, auto);
  column-gap: 76px;
  row-gap: 28px;
}

.outline-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.outline-label {
  width: 68px;
  font-family: "Noto Sans CJK JP", "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.9;
  color: #ffffff;
  flex-shrink: 0;
}

.outline-divider {
  width: 2px;
  flex-shrink: 0;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.outline-divider.height {
  height: 88px;
}

.outline-divider::after {
  content: "";
  position: absolute;
  width: 2px;
  background: rgba(255, 255, 255, 0.8);
}

.outline-divider.height::after {
  height: 88px;
}

.outline-divider.short {
  height: 44px;
}

.outline-divider.short::after {
  height: 44px;
}

.outline-value {
  font-family: "Noto Sans CJK JP", "Noto Sans JP", sans-serif;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.9;
  color: #ffffff;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  justify-content: center;
}

.outline-value p {
  margin: 0;
}

/* ====================
   Application Section
   ==================== */
.application-section {
  position: relative;
  background: #ffffff;
  padding: 80px 20px;
  text-align: center;
}

.application-note {
  font-size: 20px;
  font-weight: 700;
  color: #030303;
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: 0.05em;
}

.application-image-container {
  max-width: 1240px;
  margin: 0 auto;
}

.application-image-container img {
  width: 100%;
  height: auto;
  border-radius: 20px;
}

/* ====================
   Sponsor Section
   ==================== */
.sponsor-section {
  position: relative;
  background: #000000;
  padding: 80px 20px;
}

.sponsor-tier {
  max-width: 1240px;
  margin: 0 auto 60px;
}

.sponsor-tier:last-child {
  margin-bottom: 0;
}

.tier-title {
  font-family: "Jost", sans-serif;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 40px;
  text-align: center;
}

.tier-title.platinum {
  color: #e5e4e2;
}

.tier-title.gold {
  color: #ffd700;
}

.tier-title.silver {
  color: #c0c0c0;
}

.sponsor-grid {
  display: grid;
  gap: 40px;
  align-items: center;
  justify-items: center;
}

.platinum-grid {
  grid-template-columns: repeat(2, 1fr);
}

.gold-grid {
  grid-template-columns: repeat(3, 1fr);
}

.silver-grid {
  grid-template-columns: repeat(4, 1fr);
}

.sponsor-logo {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 140px;
}

.sponsor-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* ====================
   Navigation
   ==================== */
.navigation {
  position: fixed;
  left: 0;
  bottom: 0;
  height: 100px;
  z-index: 200;
}

.navigation > .up {
  position: fixed;
  left: 10px;
  bottom: 10px;
}

.navigation > .share {
  position: fixed;
  right: 10px;
  bottom: 50%;
  transform: translate(0, 50%);
}

.navigation > .share > div {
  margin-bottom: 16px;
}

.navigation > .share > .label {
  text-align: center;
  color: white;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
}

.navigation > .button {
  position: fixed;
  right: 10px;
  bottom: 15px;
  width: 133px;
  height: 133px;
}

.navigation > .button > .sp {
  display: none;
}

@media (max-width: 767px) {
  .navigation > .share {
    left: auto;
    right: 10px;
    bottom: 40%;
    transform: translate(0, 50%);
  }

  .navigation > .button {
    width: 250px;
    height: 80px;
  }

  .navigation > .button > .pc {
    display: none;
  }

  .navigation > .button > .sp {
    display: block;
  }

  .navigation > .up {
    position: fixed;
    left: auto;
    right: 10px;
    bottom: 20%;
  }
}

/* ====================
   Fixed CTA Button (右下固定)
   ==================== */
.fixed-cta-button-sp {
  display: none;
  position: fixed;
  bottom: 16px;
  z-index: 500;
  left: 50%;
  width: 100%;
  transform: translate(-50%, -50%);
  padding: 0 20px;
}

.fixed-cta-content-sp-content {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background: #0057ff;
  border: 6px solid #ffffff;
  border-radius: 999px;
  box-shadow:
    13px 13px 30px 0px rgba(0, 98, 255, 0.35),
    0px 4px 40px 0px rgba(255, 255, 255, 0.25);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.5;
  text-align: center;
  transition: all 0.3s ease;
  animation: pulse-shadow 2s ease-in-out infinite;
}

.fixed-cta-content-sp:hover .fixed-cta-content-sp-content {
  transform: translateY(-4px);
  box-shadow:
    13px 13px 50px 0px rgba(0, 98, 255, 0.65),
    0px 4px 60px 0px rgba(255, 255, 255, 0.55);
}

.fixed-cta-button {
  position: fixed;
  right: 16px;
  bottom: 30px;
  width: 260px;
  height: 260px;
  background: #ffffff;
  box-shadow:
    13px 13px 30px 0px rgba(0, 98, 255, 0.35),
    0px 4px 40px 0px rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 500;
  border-radius: 50%;
  transition: all 0.3s ease;
  animation: pulse-shadow 2s ease-in-out infinite;
}

.fixed-cta-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  border: 10px solid transparent;
  background: var(--Gradient, #220604);
  -webkit-mask:
    linear-gradient(#fff 0 0) padding-box,
    linear-gradient(#fff 0 0) border-box;
  -webkit-mask-composite: destination-out;
  mask:
    linear-gradient(#fff 0 0) padding-box,
    linear-gradient(#fff 0 0) border-box;
  mask-composite: exclude;
}

@keyframes pulse-shadow {
  0% {
    box-shadow:
      13px 13px 30px 0px rgba(0, 98, 255, 0.35),
      0px 4px 40px 0px rgba(255, 255, 255, 0.25);
  }
  50% {
    box-shadow:
      13px 13px 50px 0px rgba(0, 98, 255, 0.65),
      0px 4px 60px 0px rgba(255, 255, 255, 0.55);
  }
  100% {
    box-shadow:
      13px 13px 30px 0px rgba(0, 98, 255, 0.35),
      0px 4px 40px 0px rgba(255, 255, 255, 0.25);
  }
}

.fixed-cta-button:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow:
    13px 13px 40px 0px rgba(0, 98, 255, 0.5),
    0px 4px 50px 0px rgba(255, 255, 255, 0.4);
  opacity: 1;
}

.fixed-cta-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 30px;
  width: 100%;
  height: 100%;
}

.fixed-cta-badge {
  background: #0057ff;
  color: #ffffff;
  padding: 5px 10px;
  border-radius: 4px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 24px;
  font-weight: 500;
  line-height: 1;
  text-align: center;
}

.fixed-cta-badge span {
  display: block;
}

.fixed-cta-entry {
  font-family: "Jost", sans-serif;
  font-size: 70px;
  font-weight: 700;
  color: #0057ff;
  line-height: 1;
  text-align: center;
  margin: -5px 0;
}

.fixed-cta-text {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 24px;
  font-weight: 500;
  color: #0057ff;
  line-height: 1;
  text-align: center;
}

.fixed-cta-arrow {
  width: 44px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 5px;
}

.fixed-cta-arrow svg {
  width: 100%;
  height: 100%;
}

/* SP版のスタイル */
@media (max-width: 768px) {
  .fixed-cta-button {
    display: none;
  }

  .fixed-cta-button-sp {
    display: block;
  }

  .fixed-cta-content-sp-content {
    font-size: 20px;
    padding: 20px 40px;
  }
}

/* ====================
   Responsive Design - Tablet
   ==================== */
@media (max-width: 1024px) {
  .header-menu {
    display: none;
  }

  .header-container {
    padding: 0 20px;
  }

  .mobile-menu-button {
    display: block;
  }

  .cta-text {
    font-size: 38px;
  }

  .fv-section {
    height: 490px;
  }

  .fv-content {
    padding: 40px 20px 0;
  }

  .fv-text-container {
    width: 100%;
    padding: 0 10px;
  }

  .fv-event-title {
    padding: 0;
  }

  .goto-text {
    font-size: 72px;
  }

  .to-superscript {
    font-size: 36px;
  }

  .revenue-text {
    font-size: 108px;
    margin-left: 15px;
  }

  .brand-text {
    font-size: 20px;
  }

  .expo-title-text {
    font-size: 20px;
  }

  .fv-expo-title {
    margin-bottom: 24px;
  }

  .subtitle-text {
    font-size: 20px;
    white-space: normal;
  }

  .fv-main-title {
    width: 360px;
  }

  .event-free-badge {
    margin-left: 20px;
  }
  
  .concept-section {
    padding: 80px 20px;
  }

  .concept-container {
    flex-direction: column;
    gap: 40px;
  }

  .keynote-section {
    padding: 80px 20px;
  }

  .keynote-card {
    flex-direction: column;
  }

  .keynote-speaker-image {
    max-width: 100%;
  }

  .timetable-columns {
    flex-direction: column;
  }

  .outline-divider.height {
    height: 170px;
  }

  .outline-divider.height::after {
    height: 170px;
  }

  .platinum-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gold-grid {
    padding: 0 50px;
    grid-template-columns: repeat(2, 1fr);
  }

  .silver-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-contact-section {
    flex-direction: column;
  }

  .contact-divider {
    width: 100%;
    height: 1px;
  }

  .cta-message {
    text-wrap-mode: nowrap;
  }
}

/* ====================
   Responsive Design - Mobile
   ==================== */
@media (max-width: 768px) {
  .header-container {
    padding: 0 20px;
  }

  .header-logo {
    width: 180px;
  }

  .fv-section {
    height: 780px;
    padding: 20px 20px 0;
  }

  .fv-content {
    padding: 160px 0 0;
    flex-direction: column;
  }

  .event-type-badge {
    padding: 0;
  }

  .fv-text-container {
    width: 100%;
    padding: 0 10px;
    max-width: 100%;
  }

  .brand-text {
    font-size: 24px;
  }

  .expo-title-text {
    font-size: 16px;
  }

  .fv-expo-title {
    margin-bottom: 40px;
  }

  .goto-text {
    font-size: 48px;
  }

  .to-superscript {
    font-size: 24px;
  }

  .revenue-text {
    font-size: 72px;
    margin-left: 10px;
  }

  .subtitle-text {
    font-size: 19px;
    white-space: normal;
  }

  .fv-subtitle {
    margin-bottom: 30px;
  }

  .fv-event-info {
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    align-items: center;
  }

  .fv-text-container {
    align-items: center;
  }

  .fv-text-container-inner {
    align-items: center;
  }

  .fv-main-title {
    width: 320px;
  }

  .event-free-badge {
    margin-left: 10px; 
  }

  .mobile-menu-button {
    padding-right: 20px;
  }

  .event-type-text {
    font-size: 14px;
  }

  .date-text {
    font-size: 18px;
  }

  .date-large {
    font-size: 32px;
  }

  .date-day {
    font-size: 16px;
  }

  .free-text {
    font-size: 14px;
  }

  .logo-scroll-container {
    gap: 40px;
  }

  .logo-item {
    height: 40px;
  }

  .cta-section {
    padding: 60px 20px;
  }

  .cta-message {
    font-size: 16px;
  }

  .cta-message span {
    display: block;
  }

  .cta-button {
    padding: 20px;
    gap: 20px;
    border-width: 4px;
  }

  .cta-free-badge {
    display: none;
  }

  .cta-text {
    font-size: 28px;
    line-height: 36px;
    letter-spacing: -0.84px;
  }

  .cta-arrow {
    display: none;
  }

  .concept-section {
    padding: 60px 20px;
  }

  .concept-container {
    gap: 30px;
  }

  .concept-logo-svg {
    max-width: 300px;
  }

  .concept-logo-text {
    font-size: 36px;
    text-align: center;
  }

  .concept-right {
    gap: 30px;
  }

  .concept-title {
    font-size: 24px;
    text-align: center;
  }

  .concept-text {
    font-size: 16px;
    gap: 16px;
  }

  .section-title {
    font-size: 56px;
    letter-spacing: -0.84px;
  }

  .title-line {
    width: 56px;
    height: 3px;
  }

  .day-header {
    gap: 20px;
  }

  .day-title {
    font-size: 28px;
    letter-spacing: -0.28px;
  }

  .keynote-section {
    padding: 60px 20px;
  }

  .keynote-contents {
    gap: 30px;
  }

  .keynote-card {
    padding: 16px;
    gap: 30px;
  }

  .keynote-speaker-image {
    max-width: 100%;
    min-height: 280px;
    max-height: 360px;
  }

  .keynote-content {
    gap: 16px;
    min-width: 280px;
  }

  .label-text {
    font-size: 18px;
  }

  .keynote-title {
    font-size: 24px;
  }

  .speaker-name-main {
    font-size: 28px;
  }

  .speaker-name-honorific {
    font-size: 18px;
  }

  .speaker-company,
  .speaker-position {
    font-size: 18px;
  }

  .speaker-bio {
    font-size: 13px;
    line-height: 1.6;
  }

  .more-button {
    font-size: 14px;
  }

  .timetable-section {
    padding: 60px 20px;
  }

  .day-badge {
    padding: 16px 32px;
    font-size: 24px;
  }

  .day-text {
    font-size: 24px;
  }

  .date-text {
    font-size: 24px;
  }

  .session-time {
    padding-left: 40px;
    font-size: 12px;
  }

  .session-number {
    font-size: 28px;
    width: 40px;
  }

  .session-title {
    font-size: 16px;
  }

  .session-company {
    padding-left: 40px;
    font-size: 13px;
  }

  .program-section {
    padding: 60px 20px;
  }

  .day-label-text {
    font-size: 28px;
  }

  .program-ceremony {
    padding: 20px 30px;
  }

  .ceremony-time {
    font-size: 12px;
  }

  .ceremony-title {
    font-size: 20px;
  }

  .session-time-header {
    font-size: 20px;
    padding: 0 0 12px 0;
  }

  .session-detail-content {
    padding: 0;
    gap: 16px;
  }

  .session-detail-title {
    font-size: 24px;
  }

  .session-description {
    font-size: 13px;
  }

  .session-speakers {
    flex-direction: column;
    gap: 30px;
  }

  .speaker-card-small {
    width: 100%;
  }

  .speaker-photo-small {
    width: 80px;
    height: 80px;
  }

  .speaker-company-small,
  .speaker-position-small {
    font-size: 12px;
  }

  .speaker-name-small {
    font-size: 16px;
  }

  .outline-section {
    padding: 40px 20px 60px;
  }

  .outline-container {
    gap: 30px;
  }

  .outline-title {
    font-size: 48px;
    letter-spacing: -0.72px;
  }

  .outline-title-line {
    width: 50px;
    height: 3px;
  }

  .outline-grid {
    grid-template-columns: 1fr;
    row-gap: 20px;
  }

  .outline-item {
    gap: 8px;
  }

  .outline-label {
    width: auto;
    min-width: 50px;
    font-size: 16px;
  }

  .outline-divider.height {
    height: 65px;
  }

  .outline-divider.height::after {
    height: 65px;
  }

  .outline-divider.short,
  .outline-divider.sp-height {
    height: 30px;
  }

  .outline-divider.short::after,
  .outline-divider.sp-height::after {
    height: 30px;
  }

  .outline-value {
    font-size: 14px;
  }

  .application-section {
    padding: 60px 20px;
  }

  .application-note {
    font-size: 16px;
    margin-bottom: 30px;
  }

  .sponsor-section {
    padding: 60px 20px;
  }

  .sponsor-tier {
    margin-bottom: 40px;
  }

  .tier-title {
    font-size: 24px;
    margin-bottom: 30px;
  }

  .platinum-grid,
  .gold-grid,
  .silver-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .gold-grid {
    padding: 0 50px;
  }

  .silver-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sponsor-logo {
    padding: 20px;
    height: 100px;
  }

  .footer-contact-section {
    padding: 60px 20px;
  }

  .contact-card {
    padding: 30px 20px;
  }

  .contact-icon {
    width: 64px;
    height: 64px;
  }

  .contact-icon img {
    width: 32px;
    height: 32px;
  }

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

  .contact-description {
    font-size: 13px;
  }

  .footer {
    padding: 40px 20px 30px;
  }

  .footer-links {
    gap: 30px;
  }

  .footer-link-group {
    min-width: 120px;
  }

  .footer-bottom-links {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

.position-relative {
  position: relative;
}