@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&family=Noto+Sans+JP:wght@100..900&display=swap');

/* reset ------------------- */
@layer reset {

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  * {
    margin: 0;
  }

  html {
    -webkit-text-size-adjust: 100%;
  }

  body {
    min-height: 100vh;
    line-height: 1.5;
    font-family: system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
  }

  img,
  picture,
  video,
  canvas,
  svg {
    display: block;
    max-width: 100%;
  }

  input,
  button,
  textarea,
  select {
    font: inherit;
  }

  button {
    cursor: pointer;
  }

  ul,
  ol {
    padding: 0;
    list-style: none;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  p,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    overflow-wrap: break-word;
  }
}

/* variables ------------------- */
:root {
  --blue: #0077ff;
  --purple: #af46e4;
  --red: #e92e26;
  --yellow: #eead00;
  --ink: #32383f;
  --gray: #7c8a9c;
  --line: #dee5ec;
  --white: #ffffff;

  --font-jp: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: "Montserrat", "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;

  --container: 1296px;
  --container-wide: 1440px;
  --container-narrow: 960px;
  --container-side: clamp(24px, 5vw, 72px);
  --section-space: clamp(88px, 11vw, 160px);
  --section-space-tight: clamp(72px, 8vw, 118px);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

/* base ------------------- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  color: var(--ink);
  font-family: var(--font-jp);
  background: linear-gradient(90deg, #f2fcff 0%, #fff8f9 100%);
}

a {
  color: var(--blue);
}

a:hover {
  color: var(--red);
}

/* utilities ------------------- */
.pc-only {
  display: inline;
}

.sp-only {
  display: none;
}

.narrow {
  max-width: var(--container-narrow);
}

/* layout ------------------- */
.section {
  padding: var(--section-space) 0;
}

.section__grid,
.section__grid--full,
.hero__inner {
  width: min(var(--container), calc(100% - var(--container-side)));
  margin: 0 auto;
}

.section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.section__grid--full .narrow {
  width: 100%;
  margin-inline: auto;
}

.section__kicker {
  margin-bottom: clamp(56px, 8vw, 128px);
}

.section__kicker span {
  display: inline-block;
  margin-bottom: clamp(24px, 3.2vw, 40px);
  padding-bottom: clamp(10px, 1.4vw, 16px);
  border-bottom: 1px solid var(--blue);
  color: var(--blue);
  font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 700;
}

.section__kicker h2,
.section-subheading {
  font-family: var(--font-en);
  font-style: italic;
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.035em;
}

.section__kicker h2 {
  font-size: clamp(42px, 5.4vw, 64px);
}

.section-subheading {
  margin-bottom: clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  font-size: clamp(32px, 4vw, 48px);
}

/* header ------------------- */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2vw;
  width: min(var(--container-wide), calc(100% - var(--container-side)));
  height: 96px;
  margin: 0 auto;
  padding: 0 2px;
  color: var(--white);
  transition: width 0.28s ease, height 0.28s ease, color 0.28s ease, background 0.28s ease, box-shadow 0.28s ease, backdrop-filter 0.28s ease, top 0.28s ease;
}

.site-header.is-scrolled {
  top: 12px;
  width: min(var(--container-wide), calc(100% - clamp(24px, 4vw, 48px)));
  padding: 0 40px;
  border-radius: 999px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 44px rgba(30, 71, 118, 0.12);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.site-header.is-scrolled .global-nav a {
  color: var(--ink);
}

.site-header.is-scrolled .global-nav a:hover {
  color: var(--blue);
}

body.menu-open .site-header.is-scrolled .global-nav a {
  color: var(--white);
}

body.menu-open {
  overflow: hidden;
}

.site-header__logo {
  position: relative;
  display: block;
  width: 192px;
  height: 40px;
}

.site-header__logo-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 0.3s ease;
}

.site-header__logo-image--default,
body.menu-open .site-header__logo-image--default {
  opacity: 1;
}

.site-header__logo-image--scrolled,
body.menu-open .site-header__logo-image--scrolled {
  opacity: 0;
}

.site-header.is-scrolled .site-header__logo-image--default {
  opacity: 0;
}

.site-header.is-scrolled .site-header__logo-image--scrolled {
  opacity: 1;
}

body.menu-open .site-header.is-scrolled .site-header__logo-image--default {
  opacity: 1;
}

body.menu-open .site-header.is-scrolled .site-header__logo-image--scrolled {
  opacity: 0;
}

/* navigation ------------------- */
.global-nav {
  display: flex;
  gap: 1vw;
}

.global-nav a {
  color: var(--white);
  text-align: center;
  font-size: 14px;
  transition: font-weight 0.3s ease, transform 0.3s ease;
}

.global-nav a span {
  display: block;
  font-family: var(--font-en);
  font-size: 10px;
}

.global-nav a:hover {
  font-weight: 900;
  transform: scale(1.05);
}

.menu-button {
  position: relative;
  z-index: 40;
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.menu-button span {
  position: absolute;
  left: 13px;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--white);
  transition: transform 0.28s ease, opacity 0.2s ease, top 0.28s ease;
}

.menu-button span:nth-child(1) {
  top: 14px;
}

.menu-button span:nth-child(2) {
  top: 21px;
}

.menu-button span:nth-child(3) {
  top: 28px;
}

body.menu-open .menu-button span:nth-child(1) {
  top: 21px;
  transform: rotate(45deg);
}

body.menu-open .menu-button span:nth-child(2) {
  opacity: 0;
}

body.menu-open .menu-button span:nth-child(3) {
  top: 21px;
  transform: rotate(-45deg);
}

.site-header.is-scrolled .menu-button {
  background: rgba(0, 119, 217, 0.09);
  box-shadow: inset 0 0 0 1px rgba(0, 119, 217, 0.14);
}

.site-header.is-scrolled .menu-button span {
  background: var(--blue);
}

body.menu-open .site-header.is-scrolled .menu-button,
body.menu-open .menu-button {
  background: rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.24);
}

body.menu-open .site-header .menu-button span,
body.menu-open .site-header.is-scrolled .menu-button span {
  background: var(--white);
}

/* button ------------------- */
.button-cta {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 72px;
  padding: 0 12px 0 40px;
  border-radius: 999px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

.button-cta__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1;
}

.button-cta__main {
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
}

.button-cta__sub {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 80px;
  height: 20px;
  margin-top: 8px;
  padding: 0 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.15em;
}

.button-cta__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.button-cta__arrow img {
  width: 30px;
  height: 30px;
}

.button-cta:hover {
  filter: brightness(1.04);
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16) inset, 0 18px 36px rgba(239, 60, 142, 0.56), 0 0 34px rgba(255, 76, 96, 0.82), 0 0 52px rgba(194, 68, 255, 0.5);
}

.button-cta:hover .button-cta__arrow {
  transform: translateX(2px);
  transition: transform 0.25s ease;
}

.site-header .button-cta {
  max-width: 280px;
  background: linear-gradient(100deg, #f55951 0%, #af46e4 100%);
}

.site-header.is-scrolled .button-cta {
  box-shadow: 0 12px 24px rgba(130, 36, 200, 0.16);
}

.site-header .button-cta__body,
.event-banner .button-cta__sub {
  color: var(--white);
}

.site-header .button-cta__sub {
  color: #f55951;
  background: var(--white);
}

.site-header .button-cta__arrow {
  background: rgba(255, 255, 255, 0.2);
}

.event-banner .button-cta {
  flex-shrink: 0;
  max-width: 32%;
  min-height: clamp(64px, 5.6vw, 72px);
  margin-left: auto;
  background: var(--white);
}

.event-banner .button-cta__body {
  color: var(--blue);
}

.event-banner .button-cta__main {
  font-size: clamp(18px, 1.9vw, 22px);
}

.event-banner .button-cta__sub {
  background: var(--blue);
}

.event-banner .button-cta__arrow {
  width: clamp(42px, 4.1vw, 48px);
  height: clamp(42px, 4.1vw, 48px);
  background: rgba(0, 122, 255, 0.2);
}

.event-banner .button-cta__arrow img {
  width: clamp(26px, 2.6vw, 30px);
  height: clamp(26px, 2.6vw, 30px);
}

/* hero ------------------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(680px, 62vw, 800px);
  color: var(--white);
  background:
    url("../img/bg_noise.png") repeat center / 240px 240px,
    url("../img/dec_splines01.png") no-repeat 80% 24% / 1200px auto,
    linear-gradient(135deg, #0079ff 0%, #009cff 46%, #29d1ff 100%);

}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/bg_noise.png");
  background-repeat: repeat;
  background-size: 50%;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 1;
}

.hero__inner {
  z-index: 2;
}

.hero__eyebrow {
  margin-top: 24px;
  font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 700;
  letter-spacing: 0.055em;
}

.hero h1 {
  margin-top: 24px;
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 400;
  line-height: 1.3;
}

.hero h1 strong {
  font-family: var(--font-en);
  font-weight: 700;
}

/* event banner ------------------- */
.event-banner {
  position: relative;
  overflow: hidden;
  width: 100%;
  color: var(--white);
  background: linear-gradient(120deg, #d21d62 0%, #f14859 45%, #b717a5 70%, #7a0fc1 100%);
}

.hero .event-banner {
  position: absolute;
  right: 0;
  bottom: -113px;
  left: 0;
  width: min(var(--container), calc(100% - var(--container-side)));
  margin: 0 auto;
  border-radius: 24px;
}

.event-banner__inner {
  position: relative;
  z-index: 1;
  width: min(1160px, calc(100% - var(--container-side)));
  min-height: 326px;
  margin: 0 auto;
  padding: 47px 0 40px;
}

.hero .event-banner__inner {
  min-height: auto;
  padding: 24px;
}

.event-banner__top,
.event-banner__bottom {
  display: flex;
  align-items: center;
}

.event-banner__top {
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 16px;
}

.event-banner__bottom {
  flex-wrap: nowrap;
  gap: clamp(12px, 2vw, 24px);
  margin-top: clamp(8px, 1vw, 12px);
}

.event-banner__label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: clamp(10px, 1vw, 16px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.03em;
}

.event-banner__theme {
  font-size: clamp(16px, 2.5vw, 32px);
  font-weight: 500;
  line-height: 1.2;
}

.event-banner__theme strong {
  font-family: var(--font-en);
  font-size: inherit;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.event-banner__date {
  font-family: var(--font-en);
  font-size: clamp(24px, 4.8vw, 64px);
  font-style: italic;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.event-banner__date span {
  position: relative;
  top: -0.08em;
  margin: 0 0.19em;
  font-size: 1em;
  font-weight: 300;
  letter-spacing: 0.02em;
}

.event-banner__badge {
  display: flex;
  flex: 0 0 clamp(76px, 8.3vw, 96px);
  align-items: center;
  justify-content: center;
  width: clamp(72px, 8.3vw, 96px);
  height: clamp(72px, 8.3vw, 96px);
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  font-size: clamp(14px, 1.55vw, 18px);
  font-weight: 900;
  line-height: 1.25;
  text-align: center;
  letter-spacing: 0.02em;
}

.event-banner__venue {
  min-width: 0;
}

.event-banner__venue-name {
  font-size: clamp(24px, 4vw, 48px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.event-banner__venue-address {
  display: flex;
  align-items: center;
  margin-top: 8px;
  font-size: clamp(12px, 1.4vw, 16px);
  font-weight: 800;
  letter-spacing: 0.07em;
  white-space: nowrap;
}

.event-banner__pin {
  width: 20px;
  height: 20px;
  margin-right: 8px;
}

/* about ------------------- */
.about-section .section__grid {
  position: relative;
}

.about-section .section__grid::before {
  content: "";
  position: absolute;
  left: -20%;
  bottom: -40%;
  width: 640px;
  height: 800px;
  background-image: url("../img/dec_splines02.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  pointer-events: none;
  z-index: 0;
}

.about-section .section__grid>* {
  position: relative;
  z-index: 1;
}

.section.about-section {
  padding-top: clamp(176px, 18vw, 256px);
}

.about-section .section__grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: clamp(48px, 6vw, 80px);
}

.about-section .section__kicker {
  flex: 0 0 300px;
  margin-bottom: 0;
}

.about-section .section__body,
.about-section__copy {
  flex: 0 1 640px;
  max-width: 640px;
}

.about-section__copy h3 {
  margin-bottom: clamp(28px, 3vw, 40px);
  color: var(--blue);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.6;
}

.about-section__copy h3 span {
  font-family: var(--font-en);
}

.about-section__copy p {
  margin-bottom: 20px;
  font-size: clamp(15px, 1.35vw, 16px);
  font-weight: 700;
  line-height: 2.1;
}

/* speakers ------------------- */
.speakers-section {
  padding-top: 80px;
  background: linear-gradient(180deg, transparent 0%, rgba(248, 251, 255, 0.9) 100%);
  overflow: hidden;

}

.speakers-section .section__grid {
  position: relative;
}

.speakers-section .section__grid::before {
  content: "";
  position: absolute;
  right: -40%;
  bottom: -20%;
  width: 640px;
  height: 800px;
  background-image: url("../img/dec_splines03.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  pointer-events: none;
  z-index: 0;
}

.speakers-section .section__grid>* {
  position: relative;
  z-index: 1;
}

.speakers-section__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2vw, 24px);
}

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

.speaker-card__info {
  min-height: 27em;
  padding: clamp(24px, 3.2vw, 40px);
  background: var(--white);
  box-shadow: 0 18px 45px rgba(39, 58, 84, 0.08);
}

.speakers-section__list--guest .speaker-card__info {
  min-height: auto;
}

.speaker-card__info h3 {
  margin-bottom: 16px;
  font-size: clamp(24px, 2.7vw, 32px);
}

.speaker-card__info h3 span {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(13px, 1.35vw, 16px);
}

.speaker-card__role {
  margin-bottom: 24px;
  font-weight: 700;
  line-height: 1.3;
}

.speaker-card__role,
.speaker-card__info p:last-child {
  font-size: clamp(14px, 1.25vw, 16px);
}

.speaker-card__info p:last-child {
  color: var(--ink);
  line-height: 1.5;
}

.speaker-card--accent-red .speaker-card__info h3 span {
  color: var(--red);
}

.speaker-card--accent-purple .speaker-card__info h3 span {
  color: var(--purple);
}

.speaker-card--accent-yellow .speaker-card__info h3 span {
  color: var(--yellow);
}

.speaker-card--accent-green .speaker-card__info h3 span {
  color: #00BC2F;
}

.speaker-card--accent-blue .speaker-card__info h3 span {
  color: #32ACE6;
}

.speakers-section__group+.speakers-section__group {
  margin-top: clamp(72px, 8vw, 112px);
}

.speakers-section__list--guest {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: calc((100% - 24px) / 3 * 2 + 24px);
  margin: 0 auto;

}

/* timetable ------------------- */
.timetable-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 0% 20%, rgba(0, 152, 255, 0.08), transparent 28rem),
    radial-gradient(circle at 100% 40%, rgba(255, 97, 130, 0.08), transparent 30rem),
    linear-gradient(90deg, #f2fcff 0%, #fff8f9 100%);
}

.adjustment {
  margin: 160px auto;
  font-size: 40px;
  color: var(--gray);
  font-weight: 700;
  text-align: center;
  border: 1px solid var(--gray);
  padding: 24px 40px;
  width: 30%;
}

/* overview ------------------- */
.overview-section {
  padding-top: var(--section-space-tight);
  background: var(--white);
}

.overview-section__list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.overview-section__item {
  display: grid;
  grid-template-columns: minmax(180px, 256px) 1fr;
  padding: clamp(28px, 3.4vw, 40px) 0;
  border-bottom: 1px solid var(--line);
}

.overview-section__term {
  color: var(--gray);
  font-size: clamp(14px, 1.3vw, 16px);
}

.overview-section__description {
  font-size: clamp(15px, 1.45vw, 16px);
}

.overview-section__description strong {
  font-family: var(--font-en);
  font-size: clamp(20px, 2vw, 22px);
  font-weight: 400;
}

.overview-section__description strong span {
  font-size: 16px;
}

.overview-section__description small {
  display: block;
  margin-top: 3px;
  color: var(--ink);
}

.overview-section__description ul {
  padding-left: 2em;
  list-style: initial;
}

.overview-section__description li {
  font-size: clamp(16px, 1.9vw, 22px);
}

.overview-section__description li+li {
  margin-top: 8px;
}

.overview-section__description li small {
  font-size: 14px;
}

.overview-section__description a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.overview-section__date {
  display: flex;
  align-items: baseline;
  line-height: 1;
}

.overview-section__date time {
  font-family: var(--font-en);
  font-size: clamp(28px, 3vw, 32px);
  font-style: italic;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.overview-section__date time span {
  font-family: var(--font-jp);
  font-size: 16px;
  font-style: normal;
}

.overview-section__date>span,
.overview-section__time {
  font-size: clamp(14px, 1.35vw, 16px);
}

.overview-section__time {
  font-weight: 400;
  line-height: 1.6;
}

.overview-section__time span {
  margin-left: 0.4em;
}

.overview-section .note {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 8px;
  border: 1px solid var(--red);
  color: var(--red);
  line-height: 1;
}

/* faq ------------------- */
.faq-section {
  overflow: hidden;
}

.faq-section .section__grid {
  position: relative;
}

.faq-section .section__grid::before {
  content: "";
  position: absolute;
  left: 0%;
  top: -30%;
  width: 800px;
  height: 800px;
  background-image: url("../img/dec_splines03.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  pointer-events: none;
  z-index: 0;
}

.faq-section .section__grid>* {
  position: relative;
  z-index: 1;
}

.faq-section__list {
  display: grid;
  gap: clamp(16px, 2vw, 24px);
}

.faq-section__item {
  padding: clamp(24px, 3.2vw, 40px) clamp(24px, 3.2vw, 40px) clamp(24px, 3.2vw, 40px) clamp(64px, 7vw, 96px);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 16px 44px rgba(41, 61, 88, 0.07);
}

.faq-section__item h3,
.faq-section__item p {
  position: relative;
}

.faq-section__item h3 {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  color: var(--blue);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.5;
}

.faq-section__item p {
  margin-top: 16px;
  color: var(--ink);
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.5;
}

.faq-section__item h3::before,
.faq-section__item p::before {
  position: absolute;
  left: -40px;
  display: grid;
  place-items: center;
  font-family: var(--font-en);
  font-weight: 700;
}

.faq-section__item h3::before {
  content: "Q.";
}

.faq-section__item p::before {
  content: "A.";
}

.faq-section__item p strong {
  display: block;
}

/* scroll animation ------------------- */
.js-reveal {
  opacity: 0;
  transform: translate3d(0, 32px, 0);
  filter: blur(8px);
  transition:
    opacity 0.8s var(--ease-out),
    transform 0.8s var(--ease-out),
    filter 0.8s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform, filter;
}

.js-reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .js-reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}

/* footer ------------------- */
.site-footer {
  padding: clamp(64px, 7vw, 96px) 0;
  text-align: center;
  background: var(--white);
}

.site-footer__logo {
  display: inline-block;
  width: clamp(200px, 22vw, 256px);
  height: auto;
  margin-bottom: 40px;
}

/* tablet ------------------- */
@media (max-width: 1024px) {
  :root {
    --container-side: 48px;
  }

  .site-header {
    height: 80px;
  }

  .site-header__logo {
    width: 192px;
  }

  .global-nav {
    position: fixed;
    inset: 0;
    z-index: 30;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding: 96px 32px 48px;
    overflow-y: auto;
    overscroll-behavior: contain;
    color: var(--white);
    background:
      radial-gradient(circle at 20% 18%, rgba(0, 194, 255, 0.42), transparent 24rem),
      radial-gradient(circle at 82% 76%, rgba(236, 25, 122, 0.36), transparent 22rem),
      linear-gradient(135deg, rgba(0, 91, 210, 0.96), rgba(120, 24, 204, 0.97));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate3d(0, -10px, 0);
    transition:
      opacity 0.28s ease,
      visibility 0.28s ease,
      transform 0.28s ease;
    letter-spacing: 0.18em;
  }

  body.menu-open .global-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate3d(0, 0, 0);
  }

  body.menu-open .site-header.is-scrolled {
    color: var(--white);
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .global-nav a {
    padding: 6px 0;
  }

  .menu-button {
    display: inline-flex;
  }

  .site-header .button-cta {
    display: none;
  }

  .hero {
    min-height: 760px;
  }

  .section.about-section {
    overflow: hidden;
  }

  .about-section .section__grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .about-section .section__grid::before {
    top: -48%;
    right: -36%;
    bottom: auto;
    left: auto;
    width: 480px;
    height: 640px;
  }

  .about-section .section__kicker,
  .about-section .section__body {
    flex: none;
  }

  .about-section .section__body,
  .about-section__copy {
    max-width: 720px;
  }

  .speakers-section__list,
  .speakers-section__list--guest {
    grid-template-columns: 1fr;
    max-width: 760px;
    margin-inline: auto;
  }

  .speaker-card {
    display: grid;
    grid-template-columns: 280px 1fr;
  }

  .speaker-card__info {
    min-height: auto;
  }

  .adjustment {
    width: min(100%, 520px);
    margin: clamp(64px, 10vw, 120px) auto;
    padding: 20px 28px;
    font-size: clamp(24px, 4vw, 32px);
  }

  .event-banner__bottom {
    flex-wrap: wrap;
    align-items: center;
    gap: 18px 16px;
  }

  .event-banner__venue {
    flex: 1 1 0;
  }

  .event-banner .button-cta {
    flex: 0 0 100%;
    width: 100%;
    max-width: none;
    margin-left: 0;
  }

  .overview-section__item {
    grid-template-columns: minmax(140px, 200px) 1fr;
  }
}

/* small tablet / mobile ------------------- */
@media (max-width: 767px) {
  :root {
    --container-side: 32px;
  }

  .section {
    padding: clamp(72px, 18vw, 96px) 0;
  }

  .section__kicker {
    margin-bottom: 40px;
  }

  .section__kicker h2 {
    font-size: clamp(36px, 12vw, 48px);
  }

  .section-subheading {
    margin-bottom: 32px;
    font-size: clamp(28px, 8vw, 36px);
  }

  .hero {
    min-height: 100vh;
    padding: 64px 0 128px;
    background:
      url("../img/bg_noise.png") repeat center / 240px 240px,
      url("../img/dec_splines01.png") no-repeat -50% 150% / 640px auto,
      linear-gradient(135deg, #0079ff 0%, #009cff 46%, #29d1ff 100%);
  }

  .hero::before {
    opacity: 0.7;
  }

  .hero__inner {
    padding: 0;
  }

  .hero__eyebrow {
    font-size: 15px;
    line-height: 1.8;
  }

  .hero h1 {
    margin-top: 8px;
    font-size: clamp(24px, 7.5vw, 44px);
  }

  .hero .event-banner {
    margin-top: 40px;
    border-radius: 16px;
    bottom: -96px;

  }

  .event-banner__inner {
    width: calc(100% - 32px);
    min-height: auto;
    padding: 32px 0;
  }

  .hero .event-banner__inner {
    width: 100%;
    padding: 24px 18px;
  }

  .event-banner__top {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
  }

  .event-banner__label {
    height: auto;
    min-height: 26px;
    padding: 6px 12px;
    font-size: 11px;
  }

  .event-banner__theme {
    line-height: 1.6;
  }

  .event-banner__date {
    line-height: 1.25;
    font-size: clamp(16px, 5.4vw, 32px);
    letter-spacing: 0.04em;
    white-space: normal;
  }

  .event-banner__date span {
    margin: 0 4px;
  }

  .event-banner__badge {
    flex: 0 0 76px;
    width: 76px;
    height: 76px;
    font-size: 14px;
  }

  .event-banner__venue-name,
  .event-banner__venue-address {
    white-space: normal;
  }

  .event-banner__venue-name {
    font-size: clamp(20px, 5.6vw, 48px);
    letter-spacing: 0.06em;
  }

  .event-banner__venue-address {
    align-items: flex-start;
    margin-top: 10px;
    font-size: clamp(11px, 2vw, 20px);
    line-height: 1.6;
    letter-spacing: 0.04em;
  }

  .event-banner__pin {
    flex: 0 0 16px;
    width: 16px;
    height: 16px;
    margin-top: 2px;
  }

  .event-banner .button-cta {
    min-height: 64px;
    padding: 0 10px 0 24px;
  }

  .event-banner .button-cta__main {
    font-size: 18px;
  }

  .event-banner .button-cta__sub {
    height: 18px;
    margin-top: 6px;
    font-size: 10px;
  }

  .event-banner .button-cta__arrow {
    width: 42px;
    height: 42px;
  }

  .event-banner .button-cta__arrow img {
    width: 26px;
    height: 26px;
  }

  .about-section__copy h3 {
    font-size: clamp(24px, 7vw, 32px);
  }

  .speakers-section__group+.speakers-section__group {
    margin-top: 64px;
  }

  .speaker-card {
    display: block;
  }

  .speaker-card__info h3 {
    font-size: 24px;
  }

  .overview-section__item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .overview-section__description li {
    font-size: 16px;
  }

  .faq-section__item {
    padding: 24px 20px 24px 54px;
  }
}

/* mobile ------------------- */
@media (max-width: 640px) {
  .pc-only {
    display: none;
  }

  .sp-only {
    display: inline;
  }

  .site-header {
    width: calc(100% - 32px);
    height: 64px;
  }

  .site-header.is-scrolled {
    top: 8px;
    width: calc(100% - 24px);
    height: 58px;
    padding: 0 24px;
  }

  .site-header__logo {
    width: 128px;
  }

  .menu-button {
    width: 42px;
    height: 42px;
  }

  .menu-button span {
    left: 12px;
  }

  .global-nav {
    gap: 22px;
  }

  .about-section__copy p {
    line-height: 2;
  }

  .adjustment {
    width: 100%;
    margin: 48px auto;
    font-size: 20px;
  }
}

/* complete / form common ------------------- */
.complete-page,
.form-page {
  background: var(--white);
}

.complete-section,
.form-section {
  position: relative;
  overflow: hidden;
  min-height: clamp(680px, 62vw, 800px);
  padding: clamp(72px, 12vw, 120px) 0 clamp(96px, 10vw, 144px);
  color: var(--white);
  background:
    url("../img/bg_noise.png") repeat center / 240px 240px,
    url("../img/dec_splines01.png") no-repeat 90% center / 1200px auto,
    linear-gradient(135deg, #0079ff 0%, #009cff 46%, #29d1ff 100%);
}

.complete-section::before,
.form-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../img/bg_noise.png") repeat center / 240px 240px;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.complete-section__inner,
.form-section__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(40px, 5vw, 64px);
  width: min(var(--container), calc(100% - var(--container-side)));
  margin: 0 auto;
}

.complete-section__event,
.form-section__event {
  text-align: center;
}

.complete-section__event .event-banner__label,
.form-section__event .event-banner__label {
  margin-inline: auto;
}

.complete-section__event h1,
.form-section__event h1 {
  margin-top: 24px;
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 400;
  line-height: 1.3;
}

.complete-section__event h1 strong,
.form-section__event h1 strong {
  font-family: var(--font-en);
  font-weight: 700;
}

.complete-section__event .event-banner__date,
.form-section__event .event-banner__date {
  margin-top: clamp(24px, 4vw, 40px);
  font-size: clamp(24px, 4vw, 48px);
  white-space: normal;
}

.complete-section__event .event-banner__venue-name,
.form-section__event .event-banner__venue-name {
  font-size: clamp(24px, 2vw, 32px);
}

.complete-message,
.form-panel {
  text-align: center;

  width: min(960px, 100%);
  margin-inline: auto;
  overflow: hidden;
  color: var(--ink);
  border: 1px solid rgba(222, 229, 236, 0.9);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 24px 56px rgba(22, 75, 120, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}


.complete-message__body,
.form-panel__head {
  padding: clamp(40px, 5vw, 64px) clamp(24px, 4vw, 48px) clamp(36px, 4.5vw, 56px);
  border-bottom: 1px solid var(--line);
}

.complete-message__body h2,
.form-panel__head h2 {
  margin-bottom: 24px;
  color: var(--blue);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 800;
  line-height: 1.5;
}

.complete-message__body p,
.form-panel__head p {
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.8;
}

.complete-message__button {
  display: block;
  padding: 22px 24px;
  color: var(--blue);
  font-weight: 800;
  transition: color 0.25s ease, background 0.25s ease;
}

.complete-message__button:hover {
  color: var(--white);
  background: var(--blue);
}

.form-panel__body {
  padding: clamp(32px, 4vw, 48px);
}

.form-panel__body form {
  display: grid;
  gap: 20px;
}

.form-panel__body input,
.form-panel__body select,
.form-panel__body textarea {
  max-width: 100%;
}

.form-panel__body input[type="text"],
.form-panel__body input[type="email"],
.form-panel__body input[type="tel"],
.form-panel__body select,
.form-panel__body textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
}

.form-panel__body textarea {
  min-height: 120px;
  resize: vertical;
}

.form-panel__body input[type="submit"],
.form-panel__body button[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 32px;
  border: 0;
  border-radius: 999px;
  color: var(--white);
  background: linear-gradient(100deg, #f55951 0%, #af46e4 100%);
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.25s ease, filter 0.25s ease;
}

.form-panel__body input[type="submit"]:hover,
.form-panel__body button[type="submit"]:hover {
  filter: brightness(1.04);
  transform: translateY(-2px);
}

.full--width+.full--width {
  margin-top: 16px;
}

@media (max-width: 767px) {

  .complete-section,
  .form-section {
    min-height: auto;
    padding: 104px 0 80px;
    background:
      url("../img/bg_noise.png") repeat center / 240px 240px,
      url("../img/dec_splines01.png") no-repeat -50% 150% / 640px auto,
      linear-gradient(135deg, #0079ff 0%, #009cff 46%, #29d1ff 100%);
  }

  .complete-section__event,
  .form-section__event {
    text-align: left;
  }

  .complete-section__event .event-banner__label,
  .form-section__event .event-banner__label {
    margin-inline: 0;
  }

  .complete-section__event h1,
  .form-section__event h1 {
    margin-top: 8px;
    font-size: clamp(24px, 7.5vw, 44px);
  }

  .complete-message,
  .form-panel {
    border-radius: 14px;
  }

  .complete-message__body p br,
  .form-panel__head p br {
    display: none;
  }
}


/* timetable ------------------- */
.timetable-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 0% 20%, rgba(0, 152, 255, 0.08), transparent 28rem),
    radial-gradient(circle at 100% 40%, rgba(255, 97, 130, 0.08), transparent 30rem),
    linear-gradient(90deg, #f2fcff 0%, #fff8f9 100%);
}

.timetable-section::before {
  content: "";
  position: absolute;
  right: 0%;
  top: -2%;
  width: 800px;
  height: 800px;
  background-image: url(../img/dec_splines04.png);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  pointer-events: none;
  z-index: 0;
}

.timetable {
  position: relative;
  width: min(960px, 100%);
  margin: 0 auto;
  padding-left: 72px;
}

.timetable__line {
  position: absolute;
  top: 112px;
  bottom: 76px;
  left: 18px;
  width: 1px;
  background: #d8e3ed;
}

.timetable__item {
  position: relative;
}

.timetable__time span {
  display: inline-block;
  font-size: 0.72em;
  opacity: 0;
  transform: translate3d(0.3em, 0, 0);
  transition:
    opacity 0.6s var(--ease-out),
    transform 0.6s var(--ease-out);
  transition-delay: 0.25s;
}

.js-reveal.is-visible .timetable__time span {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.timetable__item+.timetable__item {
  margin-top: 24px;
}

.timetable__dot {
  position: absolute;
  top: 50%;
  left: -63px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--blue);
}

.timetable__card {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 24px;
  min-height: 234px;
  padding: 40px 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow:
    0 24px 56px rgba(22, 75, 120, 0.06),
    0 0 0 1px rgba(255, 255, 255, 0.78) inset;
}

.timetable__card--plain {
  display: block;
  min-height: 166px;
  padding-top: 36px;
  padding-bottom: 36px;
}

.timetable__content {
  min-width: 0;
}

.timetable__time {
  position: relative;
  margin-bottom: 18px;
  padding-bottom: 9px;
  border-bottom: 1px solid #8c969f;
  color: var(--ink);
  font-family: var(--font-en);
  font-size: clamp(30px, 3.2vw, 38px);
  font-style: italic;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.1em;
}

.timetable__time span {
  display: inline-block;
  font-size: 0.72em;
  transform: translateY(-0.04em);
}

.timetable__card--plain .timetable__time {
  max-width: 100%;
}

.timetable__card h3 {
  margin-bottom: 20px;
  color: var(--blue);
  font-size: clamp(24px, 2.7vw, 32px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.timetable__text {
  margin-bottom: 26px;
  color: var(--ink);
  font-size: clamp(14px, 1.25vw, 16px);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.02em;
}

.timetable__profile {
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.9;
}

.timetable__profile strong {
  margin-left: 10px;
  font-size: 22px;
  font-weight: 700;
}

.timetable__lead {
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
}

.timetable__photo {
  align-self: end;
  width: 200px;
  height: 225px;
  overflow: hidden;
}

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

.timetable__photo--red {
  background: #ff5a58;
}

.timetable__photo--purple {
  background: #bb63e9;
}

.timetable__photo--yellow {
  background: #f4bf25;
}

.timetable__note {
  margin-top: 24px;
  color: var(--gray);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  text-align: right;
}

/* tablet */
@media (max-width: 1024px) {
  .timetable {
    width: 100%;
    padding-left: 64px;
  }

  .timetable__dot {
    left: -56px;
  }

  .timetable__card {
    grid-template-columns: 1fr 136px;
    gap: 20px;
    padding: 32px;
  }

  .timetable__photo {
    width: 136px;
    height: 136px;
  }
}

/* mobile */
@media (max-width: 767px) {
  .timetable {
    padding-left: 34px;
  }

  .timetable__line {
    top: 80px;
    bottom: 56px;
    left: 8px;
  }

  .timetable__dot {
    left: -32px;
    width: 14px;
    height: 14px;
  }

  .timetable__item+.timetable__item {
    margin-top: 18px;
  }

  .timetable__card {
    grid-template-columns: 1fr;
    gap: 20px;
    min-height: auto;
    padding: 24px 20px;
    border-radius: 10px;
  }

  .timetable__card--plain {
    padding: 24px 20px;
  }

  .timetable__time {
    margin-bottom: 14px;
    font-size: 28px;
  }

  .timetable__card h3 {
    margin-bottom: 14px;
    font-size: 20px;
  }

  .timetable__text {
    margin-bottom: 20px;
    font-size: 12px;
  }

  .timetable__profile {
    font-size: 12px;
  }

  .timetable__profile strong {
    display: inline-block;
    margin-left: 8px;
    font-size: 14px;
  }

  .timetable__photo {
    width: 50%;
    height: auto;
  }

  .timetable__note {
    margin-top: 20px;
    font-size: 12px;
    text-align: left;
  }
}