.contact-email[data-astro-cid-vlqzbgfz] {
  overflow-wrap: anywhere;
}

.contact-email[data-astro-cid-vlqzbgfz] button[data-astro-cid-vlqzbgfz] {
  padding: .35em .55em;
  border: 1px solid;
  border-radius: 4px;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.contact-email[data-astro-cid-vlqzbgfz] button[data-astro-cid-vlqzbgfz]:hover {
  text-decoration: underline;
  text-underline-offset: .2em;
}

.contact-email[data-astro-cid-vlqzbgfz] [data-astro-cid-vlqzbgfz]:focus-visible {
  outline-color: currentColor;
}
:root {
  --color-paper: #FCF7EE;
  --color-navy: #0C233F;
  --color-navy-soft: #102846;
  --color-vermilion: #C6331B;
  --color-gold: #D9C199;
  --color-text: #33322E;
  --color-text-mute: #6B6A64;
  --color-rule: #D8D2C4;
  --color-invited: #F9E2D6;
  --color-oral: #ECEEDE;
  --color-poster: #E7EEEF;
  --color-award: #F9EFDC;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-text);
  font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: var(--color-vermilion);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.14em;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--color-vermilion);
  outline-offset: 4px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--color-navy);
  line-height: 1.35;
}

.text-line {
  display: block;
}

.container {
  width: min(100% - 40px, 1180px);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--color-paper);
  color: var(--color-navy);
  font-weight: 700;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 50;
  border-bottom: 1px solid var(--color-rule);
  background: color-mix(in srgb, var(--color-paper) 96%, transparent);
  backdrop-filter: blur(12px);
}

.site-header__inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-logo {
  display: inline-flex;
  flex: 0 0 auto;
  flex-direction: column;
  color: var(--color-navy);
  line-height: 1.15;
  text-decoration: none;
}

.site-logo__top {
  display: flex;
  align-items: center;
}

.site-logo__mark {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.site-logo__name {
  margin-top: 4px;
  color: var(--color-text-mute);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.site-nav {
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  align-items: stretch;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  position: relative;
  display: flex;
  min-height: 74px;
  min-width: 82px;
  padding: 13px 8px 10px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--color-navy);
  text-align: center;
  text-decoration: none;
}

.site-nav__link::after {
  position: absolute;
  right: 14px;
  bottom: -1px;
  left: 14px;
  height: 3px;
  background: var(--color-vermilion);
  content: '';
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav__link:hover::after,
.site-nav__link[aria-current='page']::after {
  transform: scaleX(1);
}

.site-nav__ja {
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
}

.site-nav__en {
  margin-top: 1px;
  color: var(--color-text-mute);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.11em;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--color-rule);
  background: transparent;
  color: var(--color-navy);
  cursor: pointer;
}

.menu-toggle__line {
  display: block;
  width: 23px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle[aria-expanded='true'] .menu-toggle__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded='true'] .menu-toggle__line:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded='true'] .menu-toggle__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: 540px;
  overflow: hidden;
}

.hero::before {
  position: absolute;
  z-index: -2;
  top: 0;
  bottom: 80px;
  left: 0;
  width: min(18vw, 240px);
  background-image: image-set(url('data:image/webp;base64,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') type('image/webp'), url('seigaiha-tile.Cl-Glbnm.png') type('image/png'));
  background-repeat: repeat;
  content: '';
  opacity: 0.48;
}

.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
  gap: 28px;
  align-items: center;
  padding-top: 52px;
  padding-bottom: 135px;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__eyebrow,
.page-intro__eyebrow,
.section-heading__en {
  margin-bottom: 14px;
  color: var(--color-vermilion);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero__title {
  max-width: none;
  margin-bottom: 14px;
  font-size: clamp(2rem, 3.3vw, 2.65rem);
  font-weight: 800;
  letter-spacing: -0.06em;
}

.hero__title-row {
  display: flex;
  width: max-content;
  max-width: 100%;
  align-items: center;
  gap: 0.16em;
  white-space: nowrap;
}

.hero__title-enso {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
  object-fit: contain;
}

.hero__title-enso--pair {
  width: auto;
  height: 1.5em;
}

.hero__title-en {
  display: block;
  margin-top: 8px;
  color: var(--color-text-mute);
  font-size: clamp(0.92rem, 1.5vw, 1.25rem);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.hero__lead {
  max-width: 590px;
  margin-bottom: 22px;
}

.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 24px;
}

.hero__fact {
  min-width: 180px;
  padding: 9px 14px;
  border-left: 3px solid var(--color-vermilion);
  background: color-mix(in srgb, var(--color-paper) 88%, var(--color-rule));
}

.hero__fact dt {
  color: var(--color-text-mute);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.hero__fact dd {
  margin: 2px 0 0;
  color: var(--color-navy);
  font-size: 1rem;
  font-weight: 800;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button-row--spaced {
  margin-top: 20px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  padding: 9px 18px;
  border: 1px solid var(--color-vermilion);
  align-items: center;
  justify-content: center;
  background: var(--color-vermilion);
  color: var(--color-paper);
  font-weight: 700;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease;
}

.button:hover {
  background: var(--color-navy);
  color: var(--color-paper);
}

.button--outline {
  background: transparent;
  color: var(--color-vermilion);
}

.button--disabled {
  border-color: var(--color-rule);
  background: var(--color-rule);
  color: var(--color-text);
  cursor: not-allowed;
}

.hero-dates {
  display: grid;
  margin-top: 18px;
  padding-block: 12px;
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
  grid-template-columns: 118px minmax(0, 1fr);
  gap: 18px;
}

.hero-dates h2 {
  margin: 0;
  align-self: start;
  font-size: 1.15rem;
}

.hero-dates h2 span {
  display: block;
  margin-bottom: 2px;
  color: var(--color-vermilion);
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-dates dl {
  display: grid;
  margin: 0;
  gap: 5px;
}

.hero-dates dl > div {
  display: grid;
  grid-template-columns: minmax(116px, 0.7fr) minmax(0, 1.3fr);
  gap: 12px;
}

.hero-dates__item--reception dd {
  position: relative;
  z-index: 1;
  width: max-content;
  white-space: nowrap;
}

.hero-dates dt {
  color: var(--color-text-mute);
  font-size: 1rem;
  font-weight: 700;
}

.hero-dates dd {
  margin: 0;
  color: var(--color-navy);
  font-size: 1rem;
  font-weight: 800;
}

.hero__visual {
  position: relative;
  z-index: 0;
  width: min(100%, 500px);
  justify-self: end;
}

.hero__image {
  width: 100%;
  height: auto;
}

.hero__wave {
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: -2px;
  left: 0;
  height: 135px;
  background-image: image-set(url('wave-band-tileable.BQArjwvs.webp') type('image/webp'), url('wave-band-tileable.eUexygQK.png') type('image/png'));
  background-position: center bottom;
  background-repeat: repeat-x;
  background-size: auto 135px;
  pointer-events: none;
}

.section {
  padding-block: 60px;
}

.section--tinted {
  background: color-mix(in srgb, var(--color-paper) 88%, var(--color-rule));
}

.section-heading {
  display: flex;
  margin-bottom: 28px;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.section-heading__en {
  margin-bottom: 5px;
}

.section-heading__title {
  margin-bottom: 0;
  font-size: clamp(1.55rem, 2.6vw, 2.1rem);
}

.section-heading__note {
  max-width: 480px;
  margin-bottom: 3px;
  color: var(--color-text-mute);
  font-size: 0.92rem;
}

.news-list {
  margin: 0;
  border-top: 1px solid var(--color-rule);
}

.news-item {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 24px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--color-rule);
}

.news-item dt {
  color: var(--color-vermilion);
  font-size: 0.79rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.news-item dd {
  margin: 0;
}

.news-item h3 {
  margin-bottom: 5px;
  font-size: 1.05rem;
}

.news-item p {
  margin-bottom: 0;
  color: var(--color-text-mute);
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sponsor-card {
  min-height: 145px;
  padding: 22px 18px;
  border: 1px solid var(--color-rule);
  background: var(--color-paper);
  text-align: center;
}

.sponsor-card__mark {
  display: grid;
  width: 52px;
  height: 52px;
  margin: 0 auto 15px;
  border-radius: 50%;
  place-items: center;
  background: color-mix(in srgb, var(--color-rule) 62%, var(--color-paper));
  color: var(--color-navy);
  font-size: 1.4rem;
  font-weight: 800;
}

.sponsor-card__name {
  display: block;
  color: var(--color-navy);
  font-weight: 800;
}

.sponsor-card__note {
  display: block;
  margin-top: 4px;
  color: var(--color-text-mute);
  font-size: 0.75rem;
}

.page-intro {
  position: relative;
  overflow: hidden;
  padding-block: 50px 54px;
  border-bottom: 1px solid var(--color-rule);
  background-image: image-set(url('data:image/webp;base64,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') type('image/webp'), url('seigaiha-tile.Cl-Glbnm.png') type('image/png'));
  background-repeat: repeat;
}

.page-intro::after {
  position: absolute;
  top: -80px;
  right: -100px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: var(--color-gold);
  content: '';
  opacity: 0.2;
}

.page-intro__inner {
  position: relative;
  z-index: 1;
}

.page-intro__title {
  margin-bottom: 8px;
  font-size: clamp(2rem, 3.3vw, 2.65rem);
}

.page-intro__description {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--color-text-mute);
}

.page-body {
  padding-block: 52px 82px;
}

.content-section {
  padding-block: 32px;
  border-bottom: 1px solid var(--color-rule);
}

.content-section:first-child {
  padding-top: 0;
}

.content-section:last-child {
  border-bottom: 0;
}

.content-section h2 {
  margin-bottom: 22px;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
}

.content-section h2::before {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 12px;
  border-radius: 50%;
  background: var(--color-vermilion);
  content: '';
  vertical-align: 0.14em;
}

.content-section h3 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.pending-panel {
  display: flex;
  min-height: 90px;
  padding: 19px 22px;
  border: 1px solid var(--color-rule);
  align-items: center;
  gap: 20px;
  background: color-mix(in srgb, var(--color-paper) 86%, var(--color-rule));
}

.pending-panel__label {
  flex: 0 0 auto;
  margin: 0;
  padding: 5px 12px;
  background: var(--color-navy);
  color: var(--color-paper);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.pending-panel__text {
  margin: 0;
  color: var(--color-text-mute);
}

.discussion-theme {
  margin-bottom: 0;
  color: var(--color-navy);
  font-weight: 700;
}

.registration-deadline {
  margin-bottom: 0;
  color: var(--color-vermilion);
  font-size: 1.25rem;
  font-weight: 800;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--color-rule);
  background: var(--color-rule);
}

.info-grid__item {
  min-height: 105px;
  padding: 18px 20px;
  background: var(--color-paper);
}

.info-grid__item dt {
  color: var(--color-navy);
  font-weight: 800;
}

.info-grid__item dd {
  margin: 6px 0 0;
  color: var(--color-text-mute);
}

.plain-info-list {
  display: grid;
  gap: 9px;
  margin: 0;
}

.plain-info-list__item {
  display: grid;
  grid-template-columns: minmax(140px, 0.35fr) minmax(0, 1.65fr);
  gap: 22px;
  align-items: baseline;
  padding-block: 3px;
}

.plain-info-list__item dt {
  color: var(--color-navy);
  font-weight: 800;
}

.plain-info-list__item dd {
  margin: 0;
  color: var(--color-text-mute);
}

.plain-info-list--dates {
  gap: 11px;
}

.plain-info-list--dates .plain-info-list__item {
  grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1.45fr);
}

.plain-info-list--dates dt,
.plain-info-list--dates dd {
  font-size: 1.08rem;
}

.venue-name {
  margin-bottom: 0;
  color: var(--color-navy);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
}

.program-day {
  margin-top: 34px;
}

.program-day:first-of-type {
  margin-top: 0;
}

.program-day__date {
  margin-bottom: 16px;
  color: var(--color-text-mute);
  font-weight: 700;
}

.program-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--color-rule);
}

.program-table th,
.program-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--color-rule);
  text-align: left;
  vertical-align: top;
}

.program-table thead th {
  background: var(--color-navy);
  color: var(--color-paper);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.program-table tbody th {
  width: 20%;
  color: var(--color-navy);
  font-weight: 800;
}

.program-row--invited { background: var(--color-invited); }
.program-row--oral { background: var(--color-oral); }
.program-row--poster { background: var(--color-poster); }
.program-row--award { background: var(--color-award); }

.program-label {
  display: inline-block;
  min-width: 96px;
  margin-right: 12px;
  padding: 3px 9px;
  border: 1px solid var(--color-navy);
  color: var(--color-navy);
  font-size: 0.75rem;
  font-weight: 800;
  text-align: center;
}

.step-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.step-list li {
  position: relative;
  min-height: 72px;
  padding: 16px 18px 16px 72px;
  border: 1px solid var(--color-rule);
  counter-increment: steps;
}

.step-list li::before {
  position: absolute;
  top: 15px;
  left: 18px;
  display: grid;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  place-items: center;
  background: var(--color-navy);
  color: var(--color-paper);
  content: counter(steps, decimal-leading-zero);
  font-size: 0.72rem;
  font-weight: 800;
}

.template-download {
  display: inline-block;
  margin-left: 0.35em;
}

.step-list__example {
  display: block;
  margin-top: 4px;
  color: var(--color-navy);
  font-weight: 700;
}

.submission-form-status {
  margin-top: 20px;
}

.access-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.access-list li {
  padding: 18px 20px;
  border: 1px solid var(--color-rule);
  background: var(--color-paper);
}

.access-list__line {
  margin-bottom: 3px;
  color: var(--color-vermilion);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.access-list h3 {
  margin-bottom: 8px;
}

.access-list li > p:last-child,
.access-source {
  margin-bottom: 0;
}

.access-source {
  margin-top: 14px;
  color: var(--color-text-mute);
  font-size: 0.78rem;
}

.campus-map {
  margin: 0;
}

.campus-map a {
  display: block;
  border: 1px solid var(--color-rule);
  background: var(--color-paper);
}

.campus-map img {
  width: 100%;
  height: auto;
}

.campus-map figcaption {
  margin-top: 8px;
  color: var(--color-text-mute);
  font-size: 0.82rem;
}

.site-footer {
  position: relative;
  overflow: hidden;
  padding-block: 48px 24px;
  background: var(--color-navy);
  color: var(--color-paper);
}

.site-footer::after {
  position: absolute;
  right: -130px;
  bottom: -100px;
  width: 720px;
  height: 360px;
  background-image: image-set(url('gold-flow-lines.DDPrQo5v.webp') type('image/webp'), url('gold-flow-lines.VHCKYvTF.png') type('image/png'));
  background-position: right bottom;
  background-repeat: no-repeat;
  background-size: contain;
  content: '';
  opacity: 0.72;
  pointer-events: none;
}

.site-footer__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 42px;
}

.site-footer h2 {
  margin-bottom: 16px;
  color: var(--color-paper);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
}

.site-footer p,
.site-footer li {
  color: color-mix(in srgb, var(--color-paper) 78%, transparent);
  font-size: 0.84rem;
}

.site-footer a {
  color: var(--color-paper);
}

.site-footer__brand {
  margin-bottom: 12px;
  color: var(--color-paper);
  font-size: 1.25rem;
  font-weight: 800;
}

.site-footer__list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__past {
  grid-column: 1 / -1;
  padding-top: 24px;
  border-top: 1px solid color-mix(in srgb, var(--color-paper) 24%, transparent);
}

.site-footer__past-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__past-list li {
  min-width: 0;
}

.site-footer__bottom {
  position: relative;
  z-index: 1;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid color-mix(in srgb, var(--color-paper) 24%, transparent);
  color: color-mix(in srgb, var(--color-paper) 70%, transparent);
  font-size: 0.75rem;
}

@media (max-width: 1100px) {
  .site-header__inner {
    min-height: 72px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 73px;
    right: 0;
    bottom: 0;
    left: 0;
    visibility: hidden;
    background: var(--color-paper);
    opacity: 0;
    transform: translateY(-12px);
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms;
  }

  .site-nav[data-open='true'] {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .site-nav__list {
    display: grid;
    width: min(100% - 40px, 720px);
    margin: 22px auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--color-rule);
  }

  .site-nav__link {
    min-height: 64px;
    border-bottom: 1px solid var(--color-rule);
  }

  .hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 24px;
  }

  .hero__title {
    font-size: clamp(1.75rem, 3vw, 2.1rem);
  }

  .sponsor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__past-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    position: absolute;
    z-index: -1;
    right: -80px;
    bottom: 92px;
    width: 420px;
    opacity: 0.18;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 30px, 1180px);
  }

  .site-logo__name {
    display: none;
  }

  .site-nav__list {
    grid-template-columns: 1fr;
    width: min(100% - 30px, 720px);
  }

  .site-nav__link {
    min-height: 61px;
    flex-direction: row;
    gap: 10px;
  }

  .hero {
    min-height: 650px;
  }

  .hero::before {
    width: 34vw;
    opacity: 0.36;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    padding-top: 38px;
    padding-bottom: 115px;
  }

  .hero__title {
    font-size: clamp(0.95rem, 4.1vw, 1.35rem);
  }

  .page-intro__title {
    font-size: clamp(1.28rem, 5.8vw, 1.55rem);
  }

  .hero__visual {
    position: absolute;
    z-index: -1;
    right: -130px;
    bottom: 86px;
    width: 330px;
    opacity: 0.17;
  }

  .hero__lead {
    max-width: 92%;
  }

  .hero__facts {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .hero__fact {
    min-width: 0;
  }

  .hero-dates {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .hero__wave {
    height: 95px;
    background-size: auto 95px;
  }

  .section {
    padding-block: 48px;
  }

  .section-heading {
    display: block;
    margin-bottom: 28px;
  }

  .section-heading__note {
    margin-top: 12px;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .sponsor-grid,
  .info-grid,
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .plain-info-list__item,
  .plain-info-list--dates .plain-info-list__item {
    grid-template-columns: minmax(105px, 0.42fr) minmax(0, 1.58fr);
    gap: 14px;
  }

  .page-intro {
    padding-block: 38px 42px;
  }

  .page-body {
    padding-block: 38px 60px;
  }

  .content-section {
    padding-block: 28px;
  }

  .pending-panel {
    display: block;
  }

  .pending-panel__label {
    display: inline-block;
    margin-bottom: 12px;
  }

  .program-table,
  .program-table tbody,
  .program-table tr,
  .program-table th,
  .program-table td {
    display: block;
    width: 100%;
  }

  .program-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .program-table tbody tr {
    padding: 14px 16px;
    border-bottom: 1px solid var(--color-rule);
  }

  .program-table th,
  .program-table td {
    padding: 4px 0;
    border: 0;
  }

  .site-footer__grid {
    gap: 28px;
  }

  .access-list {
    grid-template-columns: 1fr;
  }

  .site-footer__past-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}