* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}
body {
  margin: 0;
  color: #12394c;
  font-family: "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.85;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}
button,
a {
  touch-action: manipulation;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #e87628;
  outline-offset: 5px;
}
.preview span {
  margin-left: 20px;
  letter-spacing: 0.03em;
}
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 4%;
  gap: 24px;
  background: #fff;
  border-bottom: 1px solid #e6ebed;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
}
.brand small {
  display: block;
  font-size: 9px;
  letter-spacing: 0.14em;
  margin-top: 5px;
}
.mark {
  font-family: Arial, sans-serif;
  font-size: 40px;
  line-height: 1;
  letter-spacing: -4px;
  border-left: 5px solid #ff783e;
  padding-left: 8px;
}
.mark span {
  display: block;
  font-size: 16px;
  letter-spacing: 1px;
}
nav {
  display: flex;
  gap: 26px;
  font-size: 14px;
  font-weight: 700;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  background: #ce4c1c;
  color: white;
  border: 0;
  padding: 17px 26px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.7;
  transition:
    background 0.2s,
    transform 0.2s;
}
.button:hover {
  background: #a93b13;
  transform: translateY(-2px);
}
.small {
  font-size: 14px;
  padding: 12px 20px;
}
.hero {
  position: relative;
  min-height: 660px;
  background: #edf5f7;
  overflow: hidden;
}
.hero-copy {
  position: relative;
  z-index: 2;
  padding: 75px 0 95px 7%;
  width: 57%;
  background: linear-gradient(90deg, #edf5f7 65%, #edf5f700);
}
.eyebrow {
  font-family: Arial, sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.19em;
  color: #236a89;
  margin: 0 0 22px;
}
.hero h1 {
  font-size: clamp(36px, 4.6vw, 66px);
  line-height: 1.42;
  letter-spacing: 0.02em;
  margin: 0 0 24px;
  font-weight: 900;
}
.hero h1 span {
  color: #087493;
}
.lead {
  font-weight: 600;
  font-size: 17px;
  line-height: 2;
}
.hero-date {
  display: flex;
  gap: 20px;
  align-items: center;
  margin: 26px 0;
}
.hero-date strong {
  font-family: Arial, sans-serif;
  font-size: 40px;
  letter-spacing: -0.03em;
}
.hero-date span {
  border-left: 1px solid #9dafb5;
  padding-left: 20px;
  font-size: 13px;
  line-height: 1.7;
}
.actions {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}
.text-link {
  font-size: 14px;
  font-weight: bold;
  border-bottom: 1px solid;
  padding: 8px 0;
}
.hero-image {
  position: absolute;
  inset: 0 0 0 42%;
  background: #61a8c4;
  background-size: cover;
  background-position: 58% center;
}
.image-note {
  position: absolute;
  bottom: 48px;
  right: 20px;
  background: #103a50c9;
  color: white;
  padding: 3px 10px;
  font-size: 12px;
}
.hero-bottom {
  position: absolute;
  bottom: 0;
  right: 0;
  background: #0c5977;
  color: #fff;
  padding: 8px 5%;
  font-size: 12px;
  letter-spacing: 0.24em;
  width: 58%;
  text-align: right;
}
.wrap {
  width: min(1120px, 86%);
  margin: auto;
}
.news {
  display: grid;
  grid-template-columns: 190px 1fr;
  align-items: center;
  gap: 35px;
  padding: 30px 0;
  border-bottom: 1px solid #dce5e9;
}
.news h2 {
  font-family: Arial, sans-serif;
  font-size: 22px;
  margin: 0;
  letter-spacing: 0.08em;
}
.news h2 span {
  font-family: inherit;
  font-size: 12px;
  display: block;
  letter-spacing: 0;
}
.news a {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
}
.news b {
  margin-left: auto;
}
.tag {
  font-size: 12px;
  white-space: nowrap;
  border: 1px solid #b8d0d9;
  padding: 3px 12px;
  color: #176681;
}
.section {
  padding-top: 90px;
  padding-bottom: 90px;
}
h2 {
  font-size: 34px;
  line-height: 1.65;
  letter-spacing: 0.03em;
  margin: 0 0 22px;
}
h3 {
  font-size: 20px;
  line-height: 1.6;
}
.blue {
  color: #087493;
  display: block;
}
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}
.prose p {
  margin: 0 0 20px;
}
.beach-section {
  background: #ecf5f8;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: start;
}
.section-heading p {
  margin-top: 0;
  font-size: 15px;
}
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 35px;
  margin-top: 30px;
}
.features article {
  border-top: 2px solid #197b9a;
  padding-top: 22px;
}
.features span {
  font: 700 12px Arial;
  letter-spacing: 0.16em;
  color: #28718b;
}
.features p {
  font-size: 15px;
}
.event {
  display: grid;
  grid-template-columns: 1fr 1.65fr;
  gap: 65px;
}
.muted {
  color: #59707b;
}
.date-block {
  font: bold 56px Arial;
  margin-top: 40px;
  color: #147694;
}
.date-block span {
  display: block;
  font-size: 14px;
  letter-spacing: 0.23em;
  margin: 8px 0 18px;
}
.date-block b {
  font:
    700 16px "Yu Gothic",
    sans-serif;
  color: #12394c;
}
.info {
  min-width: 0;
  margin: 0;
}
.info > div {
  display: grid;
  grid-template-columns: 125px minmax(0, 1fr);
  gap: 10px;
  padding: 18px 0;
  border-bottom: 1px solid #dbe4e8;
}
.info > div:first-child {
  border-top: 2px solid #12394c;
}
dt {
  font-size: 14px;
  font-weight: bold;
}
/* 長い正式会場名でも説明欄が横にはみ出さないようにする。 */
dd {
  min-width: 0;
  overflow-wrap: anywhere;
  margin: 0;
  font-size: 15px;
}
dd small {
  display: block;
  color: #627780;
  font-size: 13px;
  margin-top: 4px;
}
.pending {
  color: #65757e;
}
.support {
  background: #103b50;
  color: #fff;
}
.support .eyebrow {
  color: #92cbdc;
}
.support-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 90px;
}
.support h2 {
  font-size: 40px;
}
.support p {
  color: #d4e1e7;
}
.support .button {
  margin-top: 14px;
}
.fine {
  font-size: 12px !important;
}
.funds {
  border: 1px solid #557789;
  padding: 28px 30px;
  align-self: center;
}
.funds h3 {
  margin: 0;
}
.funds p {
  font-size: 13px;
  margin: 8px 0;
}
.funds ul {
  padding: 0;
  list-style: none;
}
.funds li {
  border-top: 1px solid #446778;
  padding: 15px 0;
  font-size: 15px;
}
.funds li span {
  font: 12px Arial;
  color: #94c9da;
  margin-right: 18px;
}
.funds small {
  font-size: 12px;
  color: #c9d9e2;
  display: block;
}
.sponsor {
  border-top: 1px solid #557789;
  margin-top: 55px;
  padding-top: 35px;
  display: flex;
  justify-content: space-between;
  gap: 25px;
  align-items: center;
}
.sponsor span {
  font: 12px Arial;
  letter-spacing: 0.16em;
  color: #97cadb;
}
.sponsor h3 {
  margin: 8px 0;
}
.sponsor p {
  font-size: 14px;
  margin: 0;
}
.outline {
  border: 1px solid #c9dce6;
  padding: 14px 24px;
  font-size: 14px;
  font-weight: bold;
}
.outline:hover {
  background: #26566b;
}
.faq {
  display: grid;
  grid-template-columns: 1fr 1.65fr;
  gap: 65px;
}
details {
  border-bottom: 1px solid #dbe4e8;
}
summary {
  cursor: pointer;
  font-weight: 700;
  padding: 20px 24px 20px 0;
  font-size: 15px;
}
details p {
  font-size: 15px;
  color: #536d79;
  margin: 0 0 24px;
}
.contact {
  text-align: center;
  background: #f0f5f6;
}
.contact h2 {
  font-size: 30px;
}
.navy {
  background: #143f54;
}
.navy:hover {
  background: #245f7a;
}
.organizer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 45px;
  max-width: 800px;
  margin: 42px auto 0;
  text-align: left;
}
.organizer > div {
  padding: 16px 0;
  border-bottom: 1px solid #cedde3;
}
.organizer dd {
  font-size: 14px;
  color: #617781;
}
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  padding-top: 34px;
  padding-bottom: 34px;
}
footer strong {
  font-size: 15px;
}
footer p {
  font-size: 11px;
  color: #5c7280;
  letter-spacing: 0.04em;
}
footer button {
  border: 0;
  background: none;
  color: #12394c;
  padding: 0;
  font-size: 13px;
}
.mobile-cta {
  display: none;
}
.skip {
  position: fixed;
  top: -100px;
  left: 10px;
  z-index: 100;
  background: white;
  padding: 10px;
}
.skip:focus {
  top: 10px;
}
dialog {
  border: 0;
  padding: 40px;
  width: min(520px, 90%);
  color: #12394c;
  box-shadow: 0 20px 80px #0003;
}
dialog::backdrop {
  background: #092b40aa;
}
dialog h2 {
  font-size: 24px;
}
dialog p {
  font-size: 15px;
}
.close {
  position: absolute;
  right: 12px;
  top: 5px;
  border: 0;
  background: none;
  font-size: 28px;
  color: #12394c;
}
.close-action {
  margin-top: 10px;
}
@media (min-width: 1500px) {
  .hero-copy {
    padding-left: calc((100vw - 1280px) / 2);
  }
}
@media (max-width: 1000px) {
  nav {
    display: none;
  }
  .hero-copy {
    width: 67%;
    padding-left: 7%;
  }
  .hero h1 {
    font-size: 48px;
  }
  .hero-image {
    left: 35%;
  }
  .hero-copy {
    background: linear-gradient(90deg, #edf5f7 45%, #edf5f7e0 75%, #edf5f700);
  }
  .section-heading {
    display: block;
  }
  .support-grid {
    gap: 40px;
  }
  .about {
    gap: 40px;
  }
  .event,
  .faq {
    gap: 35px;
  }
  h2 {
    font-size: 28px;
  }
}
@media (max-width: 640px) {
  html {
    scroll-padding-top: 90px;
  }
  .preview span {
    font-size: 10px;
    margin-left: 8px;
    letter-spacing: 0;
  }
  header {
    padding: 12px 5%;
    gap: 12px;
  }
  .brand {
    font-size: 14px;
  }
  .brand small {
    font-size: 8px;
  }
  .mark {
    font-size: 30px;
  }
  .mark span {
    font-size: 12px;
  }
  header .button {
    font-size: 12px;
    padding: 9px 11px;
    gap: 0;
  }
  header .button span {
    display: none;
  }
  .hero {
    min-height: 800px;
    display: flex;
    flex-direction: column;
  }
  .hero-copy {
    padding: 35px 7% 32px;
    width: 100%;
    background: #edf5f7;
  }
  .hero h1 {
    font-size: 36px;
    line-height: 1.42;
  }
  .hero .eyebrow {
    font-size: 10px;
    margin-bottom: 18px;
  }
  .lead {
    font-size: 15px;
  }
  .hero-date {
    margin: 20px 0;
  }
  .hero-date strong {
    font-size: 36px;
  }
  .hero-date span {
    font-size: 12px;
    padding-left: 14px;
  }
  .actions {
    gap: 14px;
  }
  .actions .button {
    padding: 14px 16px;
    font-size: 14px;
  }
  .text-link {
    font-size: 13px;
  }
  .hero-image {
    position: relative;
    inset: auto;
    min-height: 280px;
    flex: 1;
    background-position: center 55%;
  }
  .hero-bottom {
    width: 100%;
    font-size: 10px;
    padding: 8px 7%;
  }
  .image-note {
    bottom: 40px;
    font-size: 10px;
  }
  .news {
    display: block;
    padding: 24px 0;
  }
  .news h2 {
    font-size: 18px;
    margin-bottom: 12px;
  }
  .news h2 span {
    display: inline;
    margin-left: 10px;
  }
  .news a {
    gap: 10px;
    font-size: 13px;
  }
  .tag {
    font-size: 11px;
    padding: 2px 7px;
  }
  .wrap {
    width: 86%;
  }
  .section {
    padding: 58px 0;
  }
  .about,
  .event,
  .faq,
  .support-grid {
    display: block;
  }
  .about .prose {
    margin-top: 28px;
    font-size: 15px;
  }
  h2 {
    font-size: 28px;
  }
  .features {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 30px;
  }
  .features article {
    padding-top: 16px;
  }
  .features h3 {
    margin: 12px 0;
  }
  .features p {
    margin: 0 0 10px;
  }
  .date-block {
    margin: 22px 0 30px;
    font-size: 42px;
  }
  .info > div {
    grid-template-columns: 95px minmax(0, 1fr);
    gap: 12px;
  }
  .info dt,
  .info dd {
    font-size: 14px;
  }
  .support h2 {
    font-size: 34px;
  }
  .support p {
    font-size: 15px;
  }
  .funds {
    margin-top: 30px;
    padding: 24px;
  }
  .sponsor {
    display: block;
    margin-top: 35px;
    padding-top: 25px;
  }
  .outline {
    display: inline-block;
    margin-top: 22px;
  }
  .organizer {
    grid-template-columns: 1fr;
  }
  .contact h2 {
    font-size: 25px;
  }
  .contact p {
    font-size: 14px;
  }
  footer {
    display: block;
    padding-bottom: 95px;
  }
  footer > div + div {
    margin-top: 20px;
  }
  .mobile-cta {
    display: flex;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 11;
    padding: 14px 10px;
    padding-bottom: max(14px, env(safe-area-inset-bottom));
    font-size: 14px;
  }
  dialog {
    padding: 30px 25px;
  }
  .hero {
    min-height: 0;
  }
}
.hero-image {
  background-image: url("./assets/hero.png");
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}
.social-links {
  display: flex;
  gap: 12px;
  align-items: center;
}
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid #d7e2e7;
  border-radius: 50%;
  transition:
    background 0.2s,
    color 0.2s;
}
.social-link svg {
  width: 22px;
  height: 22px;
}
.social-link:hover {
  background: #12394c;
  color: #fff;
}
.partners {
  padding: 0 0 55px;
  margin-bottom: 55px;
  border-bottom: 1px solid #cfdee3;
}
.partners .eyebrow {
  margin-bottom: 12px;
}
.partners h2 {
  margin-bottom: 12px;
}
.partner-logos {
  display: grid;
  /* 実際のコンテナー幅で列数を決め、ロゴの固有幅に列を押し広げさせない。 */
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 22px;
  margin-top: 32px;
}
.partner-logo {
  min-width: 0;
  max-width: 100%;
  height: 120px;
  overflow: hidden;
  min-height: 100px;
  background: white;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}
.partner-logo img {
  display: block;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
}
.partner-logo.placeholder {
  border: 1px solid #dbe5e9;
  flex-direction: column;
  gap: 4px;
  color: #6a7d86;
}
.placeholder span {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
}
.placeholder small {
  font-size: 12px;
  color: #71838b;
}
.partner-logo[href]:hover {
  outline: 2px solid #217b99;
  outline-offset: 2px;
}
@media (max-width: 640px) {
  .social-links {
    gap: 8px;
  }
  .social-link {
    width: 38px;
    height: 38px;
  }
  .social-link svg {
    width: 19px;
    height: 19px;
  }
  .partner-logos {
    gap: 12px;
    margin-top: 24px;
  }
  .partner-logo {
    min-height: 80px;
    padding: 12px;
    height: 100px;
  }
  .placeholder span {
    font-size: 13px;
  }
  .partners {
    padding-bottom: 35px;
    margin-bottom: 35px;
  }
  .partners h2 {
    font-size: 25px;
  }
}

.intro {
  text-align: center;
  border-bottom: 1px solid #dbe4e8;
}
.intro-description {
  max-width: 900px;
  margin: 0 auto 34px;
  line-height: 2.1;
}
.intro-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 32px 0;
}
.intro-facts > div {
  padding: 15px 20px;
  border-right: 1px solid #dbe4e8;
}
.intro-facts > div:last-child {
  border: 0;
}
.intro-facts dt {
  color: #29728b;
  font-size: 12px;
  letter-spacing: 0.1em;
}
.intro-facts dd {
  font-size: 24px;
  font-weight: 700;
  margin-top: 10px;
}
.intro-facts dd span {
  display: block;
  font-size: 13px;
  font-weight: 400;
  color: #5b727d;
  margin-top: 4px;
}
.access {
  background: #edf5f7;
}
.access-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 45px;
  margin-top: 28px;
}
.access-status {
  display: inline-block;
  padding: 5px 14px;
  border: 1px solid #9fbfce;
  font-size: 13px;
  white-space: nowrap;
}
.venue-photo {
  margin: 0;
}
.venue-photo img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.venue-photo figcaption,
.access-source {
  font-size: 12px;
  color: #526f7d;
  line-height: 1.8;
  margin-top: 12px;
}
.venue-photo a,
.access-source a,
.info a {
  text-decoration: underline;
  text-underline-offset: 3px;
}
.map-link {
  margin-top: 26px;
}
@media (max-width: 640px) {
  .intro-description {
    font-size: 15px;
    text-align: left;
  }
  .intro-description br {
    display: none;
  }
  .intro-facts {
    grid-template-columns: 1fr;
    margin: 24px 0;
  }
  .intro-facts > div {
    border-right: 0;
    border-bottom: 1px solid #dbe4e8;
    padding: 16px 0;
  }
  .intro-facts dd {
    font-size: 21px;
  }
  .access-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .access-status {
    margin-top: 8px;
  }
  .venue-photo img {
    aspect-ratio: 16/10;
  }
  .map-link {
    width: 100%;
  }
}
.hero {
  min-height: 580px;
}
.hero-copy {
  padding-top: 100px;
  padding-bottom: 100px;
  pointer-events: none;
}
.hero-slider {
  position: absolute;
  inset: 0 0 0 40%;
  overflow: hidden;
  background: #408299;
}
.slide {
  margin: 0;
  height: 100%;
  width: 100%;
}
.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% center;
}
.slide figcaption {
  position: absolute;
  bottom: 80px;
  right: 20px;
  color: #fff;
  background: #12394ce6;
  padding: 5px 12px;
  font-size: 12px;
}
.slider-controls {
  position: absolute;
  bottom: 20px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #12394c;
  color: white;
  padding: 7px 12px;
  z-index: 3;
}
.slider-controls button {
  border: 1px solid #7898a9;
  background: transparent;
  color: white;
  min-width: 40px;
  min-height: 40px;
}
.slider-controls button:hover {
  background: #2d627c;
}
.slider-controls span {
  font-size: 13px;
  letter-spacing: 0.12em;
}
.site-footer {
  display: block;
  width: 100%;
  background: #0b2d40;
  color: #edf5f7;
  padding: 58px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 35px;
}
.site-footer h2 {
  font-size: 15px;
  margin-bottom: 20px;
}
.site-footer .footer-grid a {
  display: block;
  font-size: 14px;
  margin: 10px 0;
  color: #d8e7ec;
}
.site-footer a:hover {
  text-decoration: underline;
}
.site-footer .eyebrow {
  color: #8dc5d9;
  font-size: 11px;
}
.site-footer strong {
  font-size: 21px;
  line-height: 1.7;
}
.site-footer p {
  color: #b0c5d0;
  font-size: 12px;
}
.footer-contact {
  border-top: 1px solid #456270;
  padding-top: 15px;
  margin-top: 22px !important;
}
.footer-bottom {
  margin-top: 40px;
  border-top: 1px solid #456270;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
}
.footer-bottom a {
  font-size: 12px;
}
.news-blog {
  grid-column: 2;
  font-size: 13px !important;
  color: #217b99;
}
.news {
  row-gap: 12px;
}
.subpage {
  min-height: 60vh;
}
.breadcrumbs {
  font-size: 13px;
  padding-top: 24px;
  color: #617b88;
}
.page-title {
  padding-top: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid #ccdde5;
}
.page-title h1 {
  font-size: 36px;
  line-height: 1.6;
  margin: 0;
}
.page-body {
  padding-top: 40px;
  padding-bottom: 80px;
}
.page-lead {
  margin-top: 0;
  margin-bottom: 35px;
}
.post-card {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 36px;
  border-bottom: 1px solid #d0dfe5;
  padding-bottom: 35px;
}
.post-card img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.post-card h2 {
  font-size: 25px;
  margin: 12px 0;
}
.post-card:hover h2 {
  text-decoration: underline;
}
.draft-note {
  background: #edf4f7;
  border-left: 3px solid #4a849d;
  padding: 18px 22px;
  font-size: 14px;
  line-height: 1.9;
  margin: 28px 0;
}
.reading {
  max-width: 800px;
  margin: auto;
}
.reading h2 {
  font-size: 24px;
  margin-top: 35px;
}
.reading p {
  line-height: 2;
}
.reading a,
.sitemap-grid a {
  color: #196d8e;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-image {
  width: 100%;
  height: auto;
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 65px;
}
.contact-layout h2 {
  font-size: 24px;
}
.contact-layout fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}
.contact-layout legend {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
}
.contact-layout label {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 24px;
}
.contact-layout label span {
  font-size: 12px;
  color: #a13b21;
  margin-left: 10px;
}
.contact-layout label .optional {
  color: #71838b;
}
.contact-layout input,
.contact-layout select,
.contact-layout textarea {
  display: block;
  font: inherit;
  font-weight: 400;
  font-size: 16px;
  width: 100%;
  border: 1px solid #a6bcc7;
  padding: 12px;
  margin-top: 8px;
  border-radius: 0;
  background: #fff;
  color: #12394c;
}
.contact-layout textarea {
  resize: vertical;
}
.contact-layout input:focus,
.contact-layout textarea:focus,
.contact-layout select:focus {
  outline: 2px solid #176d8f;
  outline-offset: 2px;
}
#review-values {
  margin-bottom: 28px;
}
#review-values dd {
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.sitemap-grid h2 {
  font-size: 21px;
}
.sitemap-grid a {
  display: block;
  margin: 12px 0;
}
header nav {
  gap: 16px;
  font-size: 13px;
}
[hidden] {
  display: none !important;
}
@media (max-width: 1000px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .hero {
    min-height: 0;
  }
  .hero-copy {
    padding: 38px 7% 30px;
    pointer-events: auto;
  }
  .hero-slider {
    position: relative;
    inset: auto;
    height: 340px;
    flex: none;
  }
  .slide figcaption {
    right: 12px;
    bottom: 76px;
    font-size: 10px;
  }
  .slider-controls {
    bottom: 12px;
    right: 12px;
  }
  .site-footer {
    padding-top: 40px;
    padding-bottom: 65px;
  }
  .footer-grid {
    gap: 28px 18px;
  }
  .footer-brand {
    grid-column: 1/-1;
  }
  .footer-bottom {
    display: block;
    margin-top: 25px;
  }
  .footer-bottom a {
    display: inline-block;
    margin-top: 8px;
  }
  .site-footer .footer-grid a {
    font-size: 13px;
  }
  .site-footer h2 {
    font-size: 14px;
  }
  .page-title {
    padding-top: 32px;
  }
  .page-title h1 {
    font-size: 27px;
  }
  .page-body {
    padding-top: 28px;
    padding-bottom: 50px;
  }
  .post-card,
  .contact-layout,
  .sitemap-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .post-card h2 {
    font-size: 23px;
  }
  .reading h2 {
    font-size: 22px;
  }
  .news-blog {
    margin-top: 10px;
  }
  .contact-layout aside .draft-note {
    margin-bottom: 0;
  }
}
.records-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.record-preview {
  display: block;
  padding: 32px;
  background: #edf5f7;
  border-top: 3px solid #1e7695;
}
.record-preview > strong {
  font: bold 76px Arial;
  color: #177594;
  display: block;
  line-height: 1.1;
  margin: 20px 0;
}
.record-preview > strong span {
  font:
    700 15px "Yu Gothic",
    sans-serif;
  display: block;
  margin-top: 14px;
  color: #12394c;
}
.record-preview h3 {
  margin-bottom: 10px;
}
.record-preview p {
  font-size: 14px;
}
.record-status {
  display: inline-block;
  font-size: 13px;
  padding: 6px 14px;
  background: #dceaf0;
  color: #325e74;
}
.record-preview:hover,
.record-list-card:hover {
  outline: 2px solid #287997;
  outline-offset: 4px;
}
.record-list-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 35px;
  padding: 30px 0;
  border-top: 1px solid #cfdee5;
  border-bottom: 1px solid #cfdee5;
}
.record-year {
  background: #12394c;
  color: white;
  font: 700 56px Arial;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  min-height: 180px;
}
.record-year span {
  font-size: 12px;
  letter-spacing: 0.18em;
  margin-top: 14px;
}
.record-list-card h2 {
  font-size: 25px;
  margin: 15px 0;
}
.record-list-card p {
  font-size: 15px;
}
.record-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
}
.record-heading h2 {
  font-size: 28px;
  margin-top: 16px;
}
.record-summary {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 55px;
  margin: 45px 0 65px;
}
.record-summary h2 {
  font-size: 25px;
}
.record-report {
  background: #f0f5f7;
  padding: 30px;
}
.tournament-gallery {
  padding: 50px 0;
  border-top: 1px solid #cedee5;
}
.gallery-notice {
  font-size: 14px;
  color: #526e7c;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin: 28px 0;
}
.gallery-placeholder {
  aspect-ratio: 4/3;
  background: #edf3f6;
  border: 1px solid #d4e2e8;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: #647f8b;
}
.gallery-placeholder > span {
  font: 12px Arial;
  letter-spacing: 0.15em;
}
.gallery-placeholder strong {
  font-size: 17px;
}
.gallery-placeholder small {
  font-size: 12px;
}
.gallery-grid figure {
  margin: 0;
}
.gallery-grid figure button {
  border: 0;
  background: none;
  padding: 0;
  width: 100%;
  display: block;
}
.gallery-grid img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}
.gallery-grid figcaption {
  font-size: 13px;
  margin-top: 8px;
}
#photo-viewer {
  width: min(1000px, 94vw);
  max-height: 94vh;
  padding: 45px 20px 20px;
}
#photo-full {
  display: block;
  max-height: 65vh;
  max-width: 100%;
  margin: auto;
  object-fit: contain;
}
#photo-close {
  position: absolute;
  top: 3px;
  right: 12px;
  font-size: 28px;
  background: none;
  border: 0;
}
#photo-caption {
  text-align: center;
}
.photo-navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.photo-navigation button {
  padding: 8px 12px;
  background: #12394c;
  color: #fff;
  border: 0;
  font-size: 14px;
}
#photo-count {
  font-size: 13px;
}
@media (max-width: 640px) {
  .records-intro,
  .record-summary {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .record-preview {
    padding: 25px;
  }
  .record-preview > strong {
    font-size: 60px;
  }
  .record-list-card {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .record-year {
    min-height: 140px;
  }
  .record-heading {
    display: block;
  }
  .record-heading h2 {
    font-size: 24px;
  }
  .record-summary {
    margin: 35px 0;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
  .gallery-placeholder {
    aspect-ratio: 1;
    gap: 8px;
    padding: 8px;
  }
  .gallery-placeholder strong {
    font-size: 14px;
  }
  .gallery-placeholder small {
    font-size: 11px;
  }
  .tournament-gallery h2 {
    font-size: 25px;
  }
  .records-intro .button {
    font-size: 13px;
    padding: 16px;
  }
}

.brand-logo {
  display: block;
  width: 64px;
  height: 64px;
  object-fit: contain;
  flex-shrink: 0;
}
.footer-logo {
  display: block;
  width: 90px;
  height: 90px;
  object-fit: contain;
  margin-bottom: 18px;
  border-radius: 50%;
}
.brand {
  flex-shrink: 0;
}
@media (max-width: 1100px) {
  header nav {
    display: none;
  }
}
@media (max-width: 640px) {
  .brand-logo {
    width: 48px;
    height: 48px;
  }
  .brand {
    font-size: 13px;
    gap: 8px;
  }
  .brand small {
    font-size: 9px;
  }
  .social-links {
    gap: 6px;
  }
  .social-link {
    width: 34px;
    height: 34px;
  }
  .partner-logo {
    min-height: 80px;
  }
  .footer-logo {
    width: 76px;
    height: 76px;
  }
}
header .desktop-nav {
  display: flex;
  margin-left: auto;
  gap: 8px;
}
header .desktop-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  font-size: 14px;
  border-bottom: 2px solid transparent;
}
header .desktop-nav a:hover,
header .desktop-nav a[aria-current="page"] {
  border-color: #187a98;
  color: #116a88;
  background: #f0f6f8;
}
.menu-toggle,
.mobile-menu {
  display: none;
}
@media (max-width: 900px) {
  header {
    z-index: 30;
  }
  header .desktop-nav,
  header > .social-links {
    display: none;
  }
  .menu-toggle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    margin-left: auto;
    background: none;
    color: #12394c;
    border: 0;
    min-width: 48px;
    min-height: 48px;
    padding: 5px;
  }
  .hamburger {
    width: 24px;
    display: flex;
    flex-direction: column;
    gap: 5px;
  }
  .hamburger i {
    display: block;
    height: 2px;
    width: 24px;
    background: currentColor;
  }
  .menu-label {
    font-size: 10px;
    line-height: 1.2;
  }
  .menu-toggle[aria-expanded="true"] .hamburger i:first-child {
    transform: translateY(7px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] .hamburger i:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle[aria-expanded="true"] .hamburger i:last-child {
    transform: translateY(-7px) rotate(-45deg);
  }
  .mobile-menu {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    border-top: 1px solid #d7e5eb;
    box-shadow: 0 16px 25px #12394c26;
    padding: 12px 7% 30px;
    max-height: calc(100dvh - 135px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  .mobile-menu nav {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .mobile-menu nav a {
    display: block;
    padding: 13px 0;
    border-bottom: 1px solid #e1e9ed;
    font-size: 15px;
  }
  .mobile-menu nav a:hover {
    color: #167695;
  }
  .mobile-social {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 20px;
    align-items: center;
  }
  .mobile-social p {
    flex-basis: 100%;
    margin: 0;
    font-size: 12px;
    letter-spacing: 0.12em;
    color: #587787;
  }
  .mobile-social a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    padding: 10px 16px;
    border: 1px solid #cedee5;
  }
  .mobile-social svg {
    width: 22px;
    height: 22px;
  }
}
.hero-slider .slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.8s ease,
    visibility 0.8s;
  pointer-events: none;
}
.hero-slider .slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}
.hero-slider .slide img {
  transform: scale(1.04);
  transition: transform 4s ease-out;
}
.hero-slider .slide.is-active img {
  transform: scale(1);
}
.hero-slider .slide:after {
  content: "";
  position: absolute;
  inset: 55% 0 0;
  background: linear-gradient(transparent, #082a4359);
  pointer-events: none;
}
.hero-slider .slide figcaption {
  z-index: 2;
  background: #11384e99;
  backdrop-filter: blur(8px);
  border-radius: 4px;
  bottom: 92px;
}
.slider-controls {
  border: 1px solid #ffffff66;
  border-radius: 40px;
  background: #12394c99;
  backdrop-filter: blur(12px);
  gap: 14px;
  padding: 8px 12px;
}
.slider-controls > button {
  border: 0;
  border-radius: 50%;
  font-size: 28px;
  line-height: 1;
  width: 40px;
  height: 40px;
  min-width: 40px;
}
.slider-controls #slide-pause {
  font-size: 18px;
  border-left: 1px solid #ffffff55;
  border-radius: 0;
}
.slide-dots {
  display: flex;
  gap: 10px;
  align-items: center;
}
.slider-controls .slide-dots button {
  width: 28px;
  min-width: 28px;
  height: 40px;
  min-height: 40px;
  border: 0;
  position: relative;
  background: transparent;
}
.slide-dots button:after {
  content: "";
  position: absolute;
  top: 16px;
  left: 10px;
  width: 8px;
  height: 8px;
  border-radius: 10px;
  background: #ffffff66;
  transition:
    background 0.3s,
    transform 0.3s;
}
.slide-dots button[aria-current="true"]:after {
  background: white;
  transform: scale(1.35);
}
@media (prefers-reduced-motion: reduce) {
  .hero-slider .slide,
  .hero-slider .slide img {
    transition: none;
    transform: none;
  }
}
@media (max-width: 640px) {
  .slider-controls {
    bottom: 16px;
    right: 16px;
  }
  .hero-slider .slide figcaption {
    bottom: 87px;
    max-width: 90%;
    font-size: 10px;
  }
}

.hero-slider .slide figcaption {
  bottom: 24px;
}
.hero-slider .slide img {
  transition-duration: 2.8s;
}
@media (max-width: 640px) {
  .site-footer {
    padding-bottom: 0;
  }
  .hero-slider .slide figcaption {
    bottom: 18px;
  }
}

.cms-entry {
  padding: 30px 0;
  border-bottom: 1px solid #d7e3e9;
}
.cms-entry h2 a {
  color: inherit;
}
.cms-prose {
  overflow-wrap: anywhere;
}
@media (prefers-reduced-motion: reduce) {
  .hero-slider .slide,
  .hero-slider .slide img {
    transition: none !important;
    transform: none !important;
  }
}

.brand-logo,
.footer-logo {
  border-radius: 0;
  object-fit: contain;
}
.gallery-grid > [hidden],
.gallery-more[hidden] {
  display: none !important;
}
.gallery-more {
  display: flex;
  margin: 28px auto 0;
  cursor: pointer;
}

/* 記事本文の改行を保持し、長いURLなどは本文幅で折り返す。 */
.content-prose {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

/* Keep the spam trap out of the visual layout and keyboard navigation. */
.contact-trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
#contact-review .button {
  margin: 0.5rem 0.5rem 0.5rem 0;
}
#contact-review button:disabled {
  opacity: 0.6;
  cursor: wait;
}
#contact-status {
  white-space: pre-wrap;
}

.news-items {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 0.75rem;
}