@charset "UTF-8";

:root {
  --color-primary: #36b0c9;
  --color-primary-dark: #178fa9;
  --color-secondary: #454c67;
  --color-accent: #e85d91;
  --color-text: #333946;
  --color-muted: #667085;
  --color-border: #dce5e9;
  --color-soft: #f1f8fa;
  --color-white: #ffffff;
  --color-footer: #343b54;
  --content-width: 1080px;
  --shadow-card: 0 12px 32px rgba(39, 55, 76, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: #f7f9fa;
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Yu Gothic", YuGothic, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 1.0rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration: none;
}

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

address {
  font-style: normal;
}

#contents {
  padding: 32px 20px 88px;
}

.page-container {
  width: min(100%, var(--content-width));
  margin: 0 auto;
}

.breadcrumb {
  margin-bottom: 28px;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35em;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb li:not(:last-child)::after {
  margin-left: 0.45em;
  color: #a3adb7;
  content: ">";
}

.breadcrumb a {
  color: inherit;
}

.event-header {
  padding: clamp(28px, 5vw, 60px);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.event-header h1 {
  margin: 0 0 32px;
  color: var(--color-secondary);
  font-size: clamp(1.2rem, 2.6vw, 1.75rem);
  line-height: 1.5;
  text-align: center;
}

.event-logo {
  width: min(100%, 820px);
  margin: 0 auto clamp(32px, 5vw, 52px);
}

.event-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 32px;
}

.event-summary__item {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-white);
}

.event-summary dt {
  padding: 8px 12px;
  background: var(--color-secondary);
  color: var(--color-white);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
}

.event-summary__item dd {
  display: grid;
  min-width: 0;
  min-height: 74px;
  margin: 0;
  padding: 14px;
  place-items: center;
  color: var(--color-accent);
  font-size: clamp(1rem, 2vw, 1.7rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-align: center;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
}
@media (max-width: 767px) {
  .event-summary dd {
    padding: 10px 14px;
    font-size: clamp(0.82rem, 3.8vw, 1.35rem);
    text-align: left;
  }
}
.event-target {
  margin: 0;
  padding: 22px 24px;
  border-left: 5px solid var(--color-primary);
  border-radius: 0 12px 12px 0;
  background: var(--color-soft);
}

.event-target small {
  display: block;
  margin-top: 6px;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.event-cta {
  margin: 32px 0 0;
  text-align: center;
}

.event-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55em;
  min-width: min(100%, 440px);
  padding: 15px 28px;
  border: 2px solid var(--color-primary);
  border-radius: 999px;
  background: var(--color-primary);
  box-shadow: 0 8px 20px rgba(54, 176, 201, 0.25);
  color: var(--color-white);
  font-weight: 700;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.event-cta a:hover {
  background: var(--color-white);
  box-shadow: none;
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.event-cta span {
  font-size: 1.5em;
  line-height: 1;
}

.participant-section {
  margin-top: clamp(56px, 8vw, 88px);
}

.participant-section > h2 {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 28px;
  color: var(--color-secondary);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  line-height: 1.4;
}

.participant-section > h2::before {
  flex: 0 0 8px;
  align-self: stretch;
  min-height: 1.4em;
  border-radius: 99px;
  background: var(--color-primary);
  content: "";
}

.facility-card {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
   margin: 0 0 35px;
}

.facility-card > h3 {
  margin: 0;
  padding: 20px clamp(20px, 4vw, 36px);
  background: var(--color-secondary);
  color: var(--color-white);
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  line-height: 1.5;
}

.facility-card__body {
  padding: clamp(22px, 4vw, 40px);
}

.facility-card__image {
  width: min(100%, 608px);
  margin: 0 auto 36px;
}

.facility-card__image img {
  width: 100%;
  border-radius: 16px;
}

.facility-details {
  margin: 0;
  border-top: 1px solid var(--color-border);
}

.facility-details__row {
  display: grid;
  grid-template-columns: minmax(150px, 22%) 1fr;
  border-bottom: 1px solid var(--color-border);
}

.facility-details__row dt,
.facility-details__row dd {
  margin: 0;
  padding: 20px 22px;
}

.facility-details__row dt {
  display: flex;
  align-items: center;
  background: var(--color-soft);
  color: var(--color-secondary);
  font-weight: 700;
}

.facility-details__row dd {
  min-width: 0;
}

.numbered-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none !important;
  counter-reset: numbered-item;
}

.numbered-list > li {
  position: relative;
  display: flex;
  min-height: 3.25rem;
  padding: 0.8rem 1rem 0.8rem 4.15rem;
  align-items: center;
  border: 1px solid rgba(54, 176, 201, 0.28);
  border-radius: 14px;
  background:
    linear-gradient(90deg, rgba(54, 176, 201, 0.1), rgba(255, 255, 255, 0.98) 46%),
    var(--color-white);
  box-shadow: 0 5px 14px rgba(39, 55, 76, 0.06);
  list-style: none !important;
  counter-increment: numbered-item;
}

.numbered-list > li::marker {
  content: "";
}

.numbered-list > li::before {
  position: absolute;
  top: 50%;
  left: 0.75rem;
  display: grid;
  width: 2.6rem;
  height: 2.6rem;
  border: 3px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  box-shadow:
    0 0 0 1px rgba(23, 143, 169, 0.24),
    0 5px 12px rgba(23, 143, 169, 0.24);
  color: var(--color-white);
  content: counter(numbered-item, decimal-leading-zero) !important;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  line-height: 1;
  place-items: center;
  transform: translateY(-50%);
}

.numbered-list--spaced {
  gap: 12px;
}

.facility-details__row--message dd p {
  margin: 0;
}

.facility-details__row--message dd p + p {
  margin-top: 0.9em;
}

.site-footer {
  padding: 42px 20px;
  background: var(--color-footer);
  color: rgba(255, 255, 255, 0.9);
}

.site-footer__inner {
  display: flex;
  width: min(100%, var(--content-width));
  margin: 0 auto;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}

.site-footer address {
  font-size: 0.9rem;
  line-height: 1.8;
}

.site-footer a {
  color: inherit;
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
  font-size: 0.82rem;
}

.page-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 10;
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 8px 22px rgba(29, 58, 76, 0.25);
  color: var(--color-white);
  cursor: pointer;
  opacity: 0;
  place-items: center;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.page-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.page-top:hover {
  background: var(--color-primary-dark);
}

.page-top:focus-visible,
a:focus-visible {
  outline: 3px solid #ffbf47;
  outline-offset: 3px;
}

@media (max-width: 767px) {
  body {
    font-size: 15px;
  }

  #contents {
    padding: 18px 14px 60px;
  }

  .breadcrumb {
    margin-bottom: 18px;
  }

  .event-header {
    padding: 24px 18px 28px;
    border-radius: 16px;
  }

  .event-header h1 {
    margin-bottom: 24px;
    text-align: left;
  }

  .event-logo {
    margin-bottom: 28px;
  }

  .event-summary {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .event-summary__item {
    display: grid;
    grid-template-columns: 76px 1fr;
  }

  .event-summary dt,
  .event-summary dd {
    min-height: 58px;
  }

  .event-summary dt {
    display: grid;
    padding: 10px 8px;
    place-items: center;
  }

  .event-summary dd {
    padding: 10px 14px;
    text-align: left;
  }

  .event-target {
    padding: 17px 16px;
  }

  .event-cta a {
    width: 100%;
    padding-inline: 18px;
  }

  .participant-section > h2 {
    gap: 11px;
    margin-bottom: 20px;
  }

  .participant-section > h2::before {
    flex-basis: 6px;
  }

  .facility-card {
    border-radius: 16px;
  }

  .facility-card__body {
    padding: 18px 14px 24px;
  }

  .facility-card__image {
    margin-bottom: 24px;
  }

  .facility-details__row {
    display: block;
  }

  .facility-details__row dt,
  .facility-details__row dd {
    padding: 14px 15px;
  }

  .facility-details__row dt {
    border-bottom: 1px solid var(--color-border);
  }

  .site-footer {
    padding: 34px 18px 74px;
  }

  .site-footer__inner {
    display: block;
  }

  .site-footer__links {
    align-items: flex-start;
    margin-top: 20px;
  }

  .page-top {
    right: 14px;
    bottom: 14px;
    width: 44px;
    height: 44px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}