@charset "UTF-8";

/* ==========================================================================
   ファイル概要
   ========================================================================== */

/* TOPページ専用のレイアウトとセクションスタイルを定義する。 */

/* ==========================================================================
   ヒーロー
   ========================================================================== */

.hero {
  position: relative;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-bg-white) 0%, var(--color-bg-blue) 54%, var(--color-bg-green) 100%);
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  z-index: 3;
  height: clamp(72px, 8.8vw, 132px);
  content: "";
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: 100% 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='1440' height='150' viewBox='0 0 1440 150' xmlns='http://www.w3.org/2000/svg' preserveAspectRatio='none'%3E%3Cdefs%3E%3ClinearGradient id='blue' x1='0' y1='0' x2='1' y2='0'%3E%3Cstop offset='0' stop-color='%23B3ECFD'/%3E%3Cstop offset='.333' stop-color='%23B8DBFF'/%3E%3Cstop offset='.667' stop-color='%239DEEFD'/%3E%3Cstop offset='1' stop-color='%23B8DBFF'/%3E%3C/linearGradient%3E%3ClinearGradient id='green' x1='0' y1='0' x2='1' y2='0'%3E%3Cstop offset='0' stop-color='%23D7FBEB'/%3E%3Cstop offset='.333' stop-color='%23A7FFAB'/%3E%3Cstop offset='.667' stop-color='%23C7FCD7'/%3E%3Cstop offset='1' stop-color='%23D7FBEB'/%3E%3C/linearGradient%3E%3ClinearGradient id='pale' x1='0' y1='0' x2='1' y2='0'%3E%3Cstop offset='0' stop-color='%23F5FDFD'/%3E%3Cstop offset='.333' stop-color='%23B3F0EF'/%3E%3Cstop offset='.667' stop-color='%23A6FEAE'/%3E%3Cstop offset='1' stop-color='%23F5FFF9'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath d='M0 75 C150 112 290 92 420 70 C595 40 714 49 890 78 C1060 106 1190 98 1440 55 L1440 150 L0 150 Z' fill='%23f4f7f5'/%3E%3Cpath d='M-40 72 C150 111 276 107 443 77 C606 48 718 45 887 75 C1081 110 1231 97 1480 47' fill='none' stroke='url(%23pale)' stroke-opacity='.9' stroke-width='17' stroke-linecap='round'/%3E%3Cpath d='M-40 72 C150 111 276 107 443 77 C606 48 718 45 887 75 C1081 110 1231 97 1480 47' fill='none' stroke='url(%23blue)' stroke-opacity='.4' stroke-width='9' stroke-linecap='round'/%3E%3Cpath d='M-30 91 C165 122 294 113 457 88 C628 62 746 59 913 88 C1075 116 1229 111 1480 70' fill='none' stroke='url(%23green)' stroke-opacity='.0' stroke-width='8' stroke-linecap='round'/%3E%3Cpath d='M-20 105 C188 132 312 126 482 103 C650 79 779 78 940 104 C1108 131 1243 125 1470 91' fill='none' stroke='url(%23blue)' stroke-opacity='.1' stroke-width='5' stroke-linecap='round'/%3E%3Cpath d='M-20 110 C188 137 320 130 486 108 C665 84 790 85 952 110 C1110 134 1246 130 1470 96' fill='none' stroke='url(%23green)' stroke-opacity='0' stroke-width='2.8' stroke-linecap='round'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero__layout {
  position: relative;
  width: 100%;
  padding-bottom: 56px;
}

.hero__content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  box-sizing: border-box;
  padding-top: clamp(28px, 5vw, 80px);
  padding-bottom: 0;
  pointer-events: none;
}

.hero__title-block,
.hero__meta-block,
.hero__footer-block {
  margin-left: 8%;
}

.hero__media {
  position: relative;
}

.hero__media picture {
  display: block;
}

.hero__image {
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center center;
}

.hero__label {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 4px 12px;
  color: var(--color-white);
  font-weight: 800;
  background: var(--color-secondary);
  border-radius: 999px;
  box-shadow: 0 8px 18px rgba(0, 122, 108, 0.18);
}

.hero__title {
  margin-bottom: 0;
  font-size: clamp(1.55rem, 1.18rem + 1.34vw, 2.75rem);
  font-weight: 900;
  line-height: 1.36;
  letter-spacing: 0.04em;
  color: var(--color-text-main);
  text-shadow:
    0 0 2px rgba(255, 255, 255, 1),
    0 0 8px rgba(255, 255, 255, 1),
    0 0 20px rgba(255, 255, 255, 0.96),
    0 0 38px rgba(255, 255, 255, 0.88),
    0 0 60px rgba(255, 255, 255, 0.72),
    0 0 86px rgba(255, 255, 255, 0.52);
}

.hero__title-brand {
  display: inline-block;
  margin-bottom: 0.08em;
  font-size: 1.32em;
  line-height: 1.15;
  letter-spacing: -0.05em;
}

.hero__title-name {
  letter-spacing: -0.04em;
}

.hero__title-year {
  display: inline-block;
  margin-left: 0.04em;
  font-size: 1.15em;
  line-height: 1;
  vertical-align: -0.04em;
  letter-spacing: -0.03em;
}

.hero__title-season {
  display: inline-grid;
  place-items: center;
  width: 1.36em;
  height: 1.36em;
  margin-left: 0.16em;
  color: var(--color-white);
  font-size: 0.95em;
  line-height: 1;
  vertical-align: 0.05em;
  background: var(--color-green-main);
  border-radius: 0.22em;
  text-shadow: none;
}

.hero__title-season-text {
  transform: translateX(0.02em);
}

.hero__title-block {
  margin-top: 0;
  width: min(52vw, 680px);
  max-width: calc(100vw - 40px);
}

.hero__meta-block {
  margin-top: 2%;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(221, 234, 232, 0.95);
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
  width: min(32vw, 390px);
  max-width: calc(100vw - 40px);
  padding: .65rem;
}

.hero__footer-block {
  margin-top: 2%;
  width: min(40vw, 520px);
  max-width: calc(100vw - 40px);
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.hero__content {
  justify-content: flex-end;
  padding-bottom: calc(
    clamp(180px, 20vw, 260px)
    + clamp(40px, calc(40px + ((100vw - 961px) * 0.25)), 280px)
    - clamp(0px, min(calc((100vw - 1040px) * 0.18), calc((1520px - 100vw) * 0.18), 36px), 36px)
  );
}

.hero__meta-block {
  margin-top: 0;
}

.hero__footer-block {
  margin-top: 12px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  pointer-events: auto;
}

.hero__actions .button--primary {
  color: var(--color-white);
  letter-spacing: 0.08em;
  background: var(--color-orange-dark);
  border-color: var(--color-orange-dark);
  box-shadow: 0 8px 18px rgba(159, 63, 0, 0.22);
}

.hero__actions .button--primary:hover {
  color: var(--color-white);
  background: var(--color-orange-main);
  border-color: var(--color-orange-main);
}

.hero__actions .button--primary.button--arrow::after {
  width: 1.65rem;
  height: 1.65rem;
  content: "";
  background: var(--color-tag-orange);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='m9 6 6 6-6 6' fill='none' stroke='%23F26A00' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 58% 58%;
  box-shadow: inset 0 0 0 2px var(--color-orange-main);
  transform: translateY(-0.02em);
}

.event-summary {
  display: grid;
  gap: 10px;
}

.event-summary__item {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 1em;
  align-items: start;
}

.event-summary__term {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  color: var(--color-secondary-dark);
  font-weight: 800;
  letter-spacing: 0.16em;
}

.event-summary__term::before {
  display: inline-block;
  width: 1.65em;
  height: 1.65em;
  flex: 0 0 auto;
  content: "";
  background: currentColor;
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
}

.event-summary__item:nth-child(1) .event-summary__term::before {
  mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 3v4M17 3v4M4 9h16M6 5h12a2 2 0 0 1 2 2v11a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V7a2 2 0 0 1 2-2Z' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.event-summary__item:nth-child(2) .event-summary__term::before {
  mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 21s7-6.2 7-12a7 7 0 1 0-14 0c0 5.8 7 12 7 12Z' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='9' r='2.4' fill='none' stroke='black' stroke-width='2.2'/%3E%3C/svg%3E");
}

.event-summary__description {
  font-weight: 800;
}

@media (min-width: 1201px) {
  .hero__meta-block {
    width: min(40vw, 24.4em);
    padding: 0.65em;
    font-size: clamp(1rem, 0.536rem + 0.61vw, 1.25rem);
  }

  .event-summary {
    gap: 0.625em;
  }
}

@media (min-width: 961px) and (max-width: 1200px) {
  .hero__meta-block {
    width: min(39vw, 400px);
  }
}

/* ==========================================================================
   ME-BYOとは
   ========================================================================== */

.about-mebyo p + p {
  margin-top: 12px;
}

.section.about-mebyo {
  background: var(--color-bg-white);
}

.mebyo-visual {
  display: grid;
  gap: 18px;
}

.mebyo-diagram {
  display: grid;
  gap: 16px;
  margin-top: 24px;
  margin-bottom: 24px;
}

.mebyo-diagram--svg {
  margin-bottom: 0;
}

.mebyo-diagram--svg img {
  display: block;
  width: 90%;
  margin: 2rem auto;
  height: auto;
}

.mebyo-diagram__row {
  display: grid;
  min-height: 78px;
  overflow: hidden;
  font-size: 1.35rem;
  font-weight: 800;
  text-align: center;
  border: 2px solid rgb(224, 236, 238);
  border-radius: var(--radius);
}

.mebyo-diagram__row span {
  display: grid;
  place-items: center;
  padding: 12px;
}

.mebyo-diagram__row--binary {
  grid-template-columns: 1fr 1fr;
}

.mebyo-diagram__row--binary span:first-child {
  background: var(--color-white);
}

.mebyo-diagram__row--binary span:last-child {
  color: var(--color-white);
  background: #c52d1d;
  text-shadow: 0 1px 6px rgba(72, 17, 12, 0.32);
}

.mebyo-diagram__row--gradient {
  grid-template-columns: 1fr 1fr 1fr;
  background: linear-gradient(90deg, #ffffff 0%, #ffffff 25%, #c52d1d 100%);
  background-color: #c52d1d;
}

.mebyo-diagram__focus {
  align-self: center;
  justify-self: center;
  font-size: 1.6rem;
  color: #c52d1d;
  background: linear-gradient(90deg, #efc5c1 0%, #e8ada6 100%);
  background-color: #efc5c1;
  padding: 12px;
  text-shadow:
    2px 0 0 var(--color-white),
    -2px 0 0 var(--color-white),
    0 2px 0 var(--color-white),
    0 -2px 0 var(--color-white),
    1.5px 1.5px 0 var(--color-white),
    -1.5px 1.5px 0 var(--color-white),
    1.5px -1.5px 0 var(--color-white),
    -1.5px -1.5px 0 var(--color-white),
    0 6px 12px rgba(137, 33, 25, 0.18);
}

.mebyo-diagram__row--gradient span:last-child {
  color: var(--color-white);
  text-shadow: 0 1px 6px rgba(0, 52, 48, 0.34);
  background: linear-gradient(90deg, #df8b82 0%, #c52d1d 100%);
  background-color: #c52d1d;
}

.mebyo-diagram__row--gradient span:first-child {
  background-color: #ffffff;
}

.qr-placeholder {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  align-items: center;
  padding: 20px;
  background: var(--color-bg-green);
  border: 1px solid var(--color-tag-green);
  border-radius: var(--radius);
}

.qr-placeholder__code {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: var(--color-white);
  border: 1px solid #000000;
}

.qr-placeholder__title {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.qr-placeholder__button {
  margin-top: 14px;
  color: var(--color-white);
  background: var(--color-heading-green);
  border-color: var(--color-heading-green);
}

.qr-placeholder__button:hover {
  color: var(--color-white);
  background: var(--color-text-sub);
  border-color: var(--color-text-sub);
}

.qr-placeholder__button + .qr-placeholder__button {
  background: var(--color-green-main);
  border-color: var(--color-green-main);
}

.qr-placeholder__button + .qr-placeholder__button:hover {
  background: var(--color-text-sub);
  border-color: var(--color-text-sub);
}

.mebyo-measure-links {
  display: grid;
  gap: 12px;
}

.mebyo-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mebyo-link-list .button {
  flex: 1 1 220px;
  color: var(--color-heading-green);
  background: var(--color-white);
  border-color: var(--color-heading-green);
}

.mebyo-link-list .button__icon {
  filter: brightness(0) saturate(100%) invert(22%) sepia(53%) saturate(1267%) hue-rotate(137deg) brightness(91%) contrast(101%);
}

.mebyo-link-list .button:hover {
  color: var(--color-white);
  background: var(--color-heading-green);
  border-color: var(--color-heading-green);
}

.mebyo-link-list .button:hover .button__icon {
  filter: none;
}

.mebyo-scale {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 24px;
  overflow: hidden;
  color: var(--color-white);
  font-weight: 800;
  text-align: center;
  border-radius: var(--radius);
}

.mebyo-scale__item {
  padding: 16px 10px;
}

.mebyo-scale__item:nth-child(1) {
  background: var(--color-accent-dark);
}

.mebyo-scale__item:nth-child(2) {
  background: var(--color-secondary);
  color: var(--color-text);
}

.mebyo-scale__item:nth-child(3) {
  background: var(--color-primary);
}

/* ==========================================================================
   夏の概要
   ========================================================================== */

.summary-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.info-card {
  padding: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-secondary);
  border-radius: var(--radius);
  box-shadow: 0 6px 18px rgba(88, 53, 34, 0.08);
}

.section.summer-summary {
  padding-top: 2.5rem;
  background: linear-gradient(180deg, var(--color-bg-green) 0%, var(--color-bg-gray) 40%, var(--color-bg-gray) 100%);
}

.summer-summary .section__inner {
  padding: 32px;
  background: var(--color-white);
  border: 1px solid var(--color-border-gray);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(82, 103, 102, 0.12);
}

.summer-summary .section__title {
  color: var(--color-heading-green);
}

.program .section__title,
.about-mebyo .section__title,
.contact .section__title {
  color: var(--color-text-main);
}

.summer-summary h3 {
  position: relative;
  margin-top: 24px;
  margin-bottom: 12px;
  padding-top: 18px;
  padding-left: 12px;
  border: 0;
  font-weight: 400;
  font-size: 1.3rem;
}

.summer-summary h3::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  content: "";
  background: rgba(82, 103, 102, 0.25);
}

.summer-summary h3::after {
  position: absolute;
  top: 24px;
  bottom: 0.25em;
  left: 0;
  width: 6px;
  content: "";
  background: rgba(82, 103, 102, 0.25);
}

.summer-summary h3:first-of-type {
  margin-top: 0;
  padding-top: 0;
}

.summer-summary h3:first-of-type::before {
  display: none;
}

.summer-summary h3:first-of-type::after {
  top: 0;
}

.summer-summary .button--secondary {
  margin-top: 12px;
  color: var(--color-white);
  background: var(--color-green-main);
  border-color: var(--color-green-main);
}

.summer-summary .button--secondary:hover {
  color: var(--color-white);
  background: var(--color-text-sub);
  border-color: var(--color-text-sub);
}

.info-card__title {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

/* ==========================================================================
   アクセス
   ========================================================================== */

.access-stack {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.access-stack__lead {
  max-width: 720px;
}

.access-stack__button {
  width: fit-content;
}

.definition-grid--summary {
  grid-template-columns: 1fr 1fr;
}

/* ==========================================================================
   プログラム
   ========================================================================== */

.program-list {
  display: grid;
  gap: 16px;
}

.program-item {
  padding: 20px;
  background: var(--color-white);
  border: 1px solid var(--color-border-gray);
  border-left: 6px solid var(--color-secondary);
  border-radius: var(--radius);
}

.program-item--greeting {
  border-left-color: var(--color-heading-green);
}

.program-item--lecture {
  border-left-color: var(--color-blue-dark);
}

.program-item--panel {
  border-left-color: var(--color-magenta-dark);
}

.program-item--greeting .program-item__time {
  color: var(--color-heading-green);
}

.program-item--lecture .program-item__time {
  color: var(--color-blue-dark);
}

.program-item--panel .program-item__time {
  color: var(--color-magenta-dark);
}

.program-item__summary {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 18px;
  align-items: center;
  list-style: none;
  cursor: pointer;
}

.program-item__summary::-webkit-details-marker {
  display: none;
}

.program-item__summary::after {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--color-text-main);
  font-weight: 900;
  content: "＋";
  background: var(--color-bg-gray);
  border: 1px solid var(--color-text-main);
  border-radius: 50%;
}

.program-item[open] .program-item__summary::after {
  content: "−";
}

.program-item__panel {
  margin-top: 16px;
  padding: 14px 0 0 148px;
  border-top: 1px solid var(--color-border-gray);
}

.program-speaker-list {
  display: grid;
  gap: 10px;
}

.program-speaker-list li {
  display: grid;
  grid-template-columns: minmax(10em, max-content) 1fr;
  gap: 10px 14px;
  align-items: baseline;
}

.program-speaker-list button {
  width: fit-content;
  padding: 0;
  color: var(--color-text-sub);
  font: inherit;
  font-weight: 900;
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  background: transparent;
  border: 0;
}

.program-speaker-list button:hover {
  color: var(--color-text-sub);
}

.program-speaker-list span {
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.program-item--break {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 18px;
  border-color: var(--color-border-gray);
  border-left-color: var(--color-border-gray);
  background: var(--color-bg-gray);
}

.program-item--break .program-item__time {
  color: var(--color-text-main);
}

.program-item__time {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  color: var(--color-secondary-dark);
  font-weight: 700;
}

.program-item__time::before {
  display: inline-block;
  width: 1.5em;
  height: 1.5em;
  flex: 0 0 auto;
  content: "";
  background: currentColor;
  mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='12' cy='12' r='8' fill='none' stroke='black' stroke-width='2.2'/%3E%3Cpath d='M12 7v5l3 2' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
}

.program-item__type {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 6px;
  padding: 2px 10px;
  color: var(--color-text-main);
  font-size: 0.88rem;
  font-weight: 700;
  background: var(--color-secondary-soft);
  border-radius: 999px;
}

.program-item--lecture .program-item__type {
  background: var(--color-tag-blue);
}

.program-item--panel .program-item__type {
  background: var(--color-tag-magenta);
}

.program-item__title {
  display: block;
  margin-bottom: 8px;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.5;
}

.program-item__content .program-item__title {
  margin-bottom: 0;
}

.program-item__content .program-item__type + .program-item__title {
  margin-top: 8px;
}


/* ==========================================================================
   登壇者紹介
   ========================================================================== */

.section.speakers {
  background: var(--color-bg-orange);
  color: var(--color-text);
}

.speakers .section__title {
  color: var(--color-text-main);
}

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.speaker-card {
  position: relative;
  display: grid;
  gap: 10px;
  align-content: start;
  grid-template-rows: auto 1fr;
  width: 100%;
  padding: 18px;
  font: inherit;
  text-align: left;
  background: var(--color-white);
  border: 1px solid var(--color-border-gray);
  border-radius: var(--radius);
  min-height: 100%;
  color: var(--color-text);
  cursor: pointer;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.speaker-card:hover {
  border-color: var(--color-border-gray);
  box-shadow: 0 10px 24px rgba(0, 88, 79, 0.12);
  transform: translateY(-2px);
}

.speaker-card:has(.speaker-card__action:focus-visible) {
  outline: 3px solid var(--color-orange-main);
  outline-offset: 4px;
}

.speaker-card__action {
  position: absolute;
  inset: 0;
  z-index: 1;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
}

.speaker-card__action:focus-visible {
  outline: 0;
}

.speaker-card__body {
  display: grid;
  gap: 8px;
  grid-template-rows: auto auto 1fr;
  align-content: start;
  height: 100%;
}

.speaker-card__photo {
  display: grid;
  aspect-ratio: 3 / 4;
  place-items: center;
  overflow: hidden;
  color: var(--color-heading-orange);
  font-weight: 700;
  background: var(--color-tag-orange);
  border: 1px solid var(--color-border-gray);
  border-radius: var(--radius);
}

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

.speaker-card h3 {
  color: var(--color-text-main);
  font-size: 1.12rem;
  line-height: 1.45;
}

.speaker-card p {
  color: var(--color-text-sub);
  font-size: 0.92rem;
  line-height: 1.65;
}

.speaker-card__tag {
  display: inline-flex;
  width: fit-content;
  align-self: end;
  padding: 2px 8px;
  color: var(--color-text-main);
  font-size: 0.84rem;
  font-weight: 700;
  background: var(--color-tag-green);
  border: 1px solid var(--color-green-main);
  border-radius: 999px;
}

.speaker-card__tag--lecture {
  background: var(--color-tag-blue);
  border-color: var(--color-tag-blue);
}

.speaker-card__tag--panel {
  background: var(--color-tag-magenta);
  border-color: var(--color-magenta-dark);
}

/* ==========================================================================
   更新情報
   ========================================================================== */

.news-list {
  display: grid;
  border-top: 1px solid var(--color-white);
}

.section.news {
  background: var(--color-bg-gray);
}

.section.news .section__title {
  color: var(--color-text-main);
}

.section.news a {
  color: var(--color-heading-green);
}

.section.news a:hover {
  color: var(--color-text-sub);
}

.news-list li {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-white);
}

.news-list__meta {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  width: fit-content;
}

.news-list time {
  color: var(--color-muted);
  font-weight: 700;
}

.news-list__tag {
  display: inline-flex;
  justify-content: center;
  padding: 2px 8px;
  color: var(--color-text-main);
  font-size: 0.88rem;
  font-weight: 700;
  background: var(--color-tag-green);
  border-radius: 999px;
}

/* ==========================================================================
   秋の予告
   ========================================================================== */

.section.autumn {
  background: var(--color-bg-orange);
}

.autumn .section__title {
  color: var(--color-text-main);
}

.autumn .button {
  margin-top: 12px;
  color: var(--color-white);
  background: var(--color-orange-dark);
  border-color: var(--color-orange-dark);
}

.autumn .button:hover {
  color: var(--color-white);
  background: var(--color-orange-main);
  border-color: var(--color-orange-main);
}

.autumn .definition-grid div {
  border-color: var(--color-orange-main);
}

.autumn .definition-grid div {
  display: grid;
  gap: 0;
}

.autumn .definition-grid dt {
  padding-top: 12px;
  color: var(--color-orange-dark);
  border-top: 1px solid var(--color-orange-main);
}

.autumn .definition-grid dt:first-child {
  padding-top: 0;
  border-top: 0;
}

.autumn .definition-grid dd {
  padding-bottom: 12px;
}

/* ==========================================================================
   アーカイブ導線
   ========================================================================== */

.archive-cta {
  background: var(--color-bg);
}

.archive-cta p {
  max-width: 680px;
}

/* ==========================================================================
   SDGs
   ========================================================================== */

.sdgs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.sdgs-list li {
  width: 96px;
  background: var(--color-white);
}

/* ==========================================================================
   協賛
   ========================================================================== */

.section.sponsors {
  background: var(--color-bg-gray);
}

.sponsors .section__title {
  color: var(--color-text-main);
}

.sponsor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px 24px;
  margin-top: 24px;
  padding: 24px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.sponsor-logo {
  display: grid;
  min-height: 104px;
  place-items: center;
  padding: 12px;
}

.sponsor-logo a {
  display: grid;
  width: 100%;
  min-height: 80px;
  place-items: center;
}

.sponsor-logo a:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 6px;
}

.sponsor-logo img {
  width: 100%;
  max-width: 190px;
  max-height: 72px;
  object-fit: contain;
}

.sponsor-logo--compact img {
  max-width: 152px;
  max-height: 58px;
}

/* ==========================================================================
   問い合わせ
   ========================================================================== */

.section.contact {
  background: var(--color-bg-white);
}

.contact p + p {
  margin-top: 12px;
}

/* ==========================================================================
   ラップトップ
   ========================================================================== */

@media (max-width: 1200px) {
  .speaker-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

/* ==========================================================================
   タブレット
   ========================================================================== */

@media (max-width: 960px) {
  .hero {
    min-height: auto;
    padding: 42px 20px;
    background: var(--color-soft-green);
  }

  .hero::after {
    display: none;
  }

  .hero__layout {
    position: relative;
    display: grid;
    gap: 0;
    padding-bottom: 0;
  }

  .hero__content {
    position: relative;
    inset: auto;
    display: contents;
    padding-top: 0;
    padding-bottom: 0;
    pointer-events: auto;
  }

  .hero__title-block,
  .hero__meta-block,
  .hero__footer-block {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    transform: none;
    width: 100%;
    min-width: 0;
    max-width: none;
    margin-left: 0;
    justify-self: stretch;
  }

  .hero__title-block {
    position: absolute;
    top: max(0px, calc(clamp(24px, 5vw, 52px) - 2rem));
    left: 0;
    z-index: 4;
    width: min(58vw, 520px);
    max-width: calc(100% - 40px);
    margin-left: 0;
    pointer-events: none;
  }

  .hero__meta-block {
    margin-top: 0;
  }

  .hero__footer-block {
    margin-top: 0;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__actions .button--primary {
    width: 100%;
  }

  .hero__media {
    position: relative;
    order: -1;
    margin: -42px -20px 0;
    border-radius: 0;
    overflow: visible;
  }

  .hero__media::after {
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
    z-index: 3;
    height: clamp(64px, 10vw, 104px);
    content: "";
    background-image: url("data:image/svg+xml,%3Csvg width='1440' height='150' viewBox='0 0 1440 150' xmlns='http://www.w3.org/2000/svg' preserveAspectRatio='none'%3E%3Cdefs%3E%3ClinearGradient id='blue' x1='0' y1='0' x2='1' y2='0'%3E%3Cstop offset='0' stop-color='%23B3ECFD'/%3E%3Cstop offset='.333' stop-color='%23B8DBFF'/%3E%3Cstop offset='.667' stop-color='%239DEEFD'/%3E%3Cstop offset='1' stop-color='%23B8DBFF'/%3E%3C/linearGradient%3E%3ClinearGradient id='green' x1='0' y1='0' x2='1' y2='0'%3E%3Cstop offset='0' stop-color='%23D7FBEB'/%3E%3Cstop offset='.333' stop-color='%23A7FFAB'/%3E%3Cstop offset='.667' stop-color='%23C7FCD7'/%3E%3Cstop offset='1' stop-color='%23D7FBEB'/%3E%3C/linearGradient%3E%3ClinearGradient id='pale' x1='0' y1='0' x2='1' y2='0'%3E%3Cstop offset='0' stop-color='%23F5FDFD'/%3E%3Cstop offset='.333' stop-color='%23B3F0EF'/%3E%3Cstop offset='.667' stop-color='%23A6FEAE'/%3E%3Cstop offset='1' stop-color='%23F5FFF9'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath d='M0 75 C150 112 290 92 420 70 C595 40 714 49 890 78 C1060 106 1190 98 1440 55 L1440 150 L0 150 Z' fill='%23f4f7f5'/%3E%3Cpath d='M-40 72 C150 111 276 107 443 77 C606 48 718 45 887 75 C1081 110 1231 97 1480 47' fill='none' stroke='url(%23pale)' stroke-opacity='.9' stroke-width='17' stroke-linecap='round'/%3E%3Cpath d='M-40 72 C150 111 276 107 443 77 C606 48 718 45 887 75 C1081 110 1231 97 1480 47' fill='none' stroke='url(%23blue)' stroke-opacity='.4' stroke-width='9' stroke-linecap='round'/%3E%3Cpath d='M-30 91 C165 122 294 113 457 88 C628 62 746 59 913 88 C1075 116 1229 111 1480 70' fill='none' stroke='url(%23green)' stroke-opacity='.0' stroke-width='8' stroke-linecap='round'/%3E%3Cpath d='M-20 105 C188 132 312 126 482 103 C650 79 779 78 940 104 C1108 131 1243 125 1470 91' fill='none' stroke='url(%23blue)' stroke-opacity='.1' stroke-width='5' stroke-linecap='round'/%3E%3Cpath d='M-20 110 C188 137 320 130 486 108 C665 84 790 85 952 110 C1110 134 1246 130 1470 96' fill='none' stroke='url(%23green)' stroke-opacity='0' stroke-width='2.8' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center bottom;
    background-size: 100% 100%;
    pointer-events: none;
  }

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

  .summary-grid,
  .speaker-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .definition-grid--summary {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   スマホ
   ========================================================================== */

@media (max-width: 640px) {
  .hero {
    padding: 28px 16px;
  }

  .hero__media {
    margin: -28px -16px 0;
  }

  .hero__media::after {
    height: 58px;
  }

  .hero__title-block {
    top: clamp(30px, 5.625vw, 36px);
    width: auto;
    max-width: none;
    transform: none;
  }

  .hero__title {
    font-size: clamp(1.78rem, calc(0.94rem + 3.45vw), 2.32rem);
  }

  .hero__footer-block {
    margin-top: 12px;
    width: 100%;
  }

  .hero__content {
    gap: 14px;
  }

  .qr-placeholder {
    grid-template-columns: 96px 1fr;
    align-items: center;
  }

  .qr-placeholder__code {
    width: 96px;
  }

  .hero__actions,
  .button-group {
    display: grid;
  }

  .hero__actions {
    width: 100%;
    justify-content: stretch;
  }

  .hero__actions .button--primary {
    display: inline-flex;
    width: 100%;
    max-width: none;
    justify-self: stretch;
    text-align: center;
  }

  .event-summary__item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .news-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .news-list__meta {
    max-width: 100%;
  }

  .program-item__summary,
  .program-item--break {
    grid-template-columns: 1fr auto;
    gap: 10px;
  }

  .program-item__summary .program-item__time,
  .program-item--break .program-item__time {
    grid-column: 1 / -1;
  }

  .program-item__panel {
    padding-left: 0;
  }

  .program-speaker-list li {
    grid-template-columns: 1fr;
  }

  .summary-grid,
  .speaker-grid {
    grid-template-columns: 1fr;
  }

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

  .speaker-card {
    gap: 8px;
    padding: 12px;
  }

  .speaker-card h3 {
    font-size: 1rem;
  }

  .speaker-card p {
    display: none;
  }

  .speaker-card span {
    font-size: 0.78rem;
  }

  .sponsor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    padding: 18px;
  }

  .sponsor-logo img {
    max-width: 144px;
    max-height: 62px;
  }

  .sponsor-logo--compact img {
    max-width: 104px;
    max-height: 40px;
  }

  .mebyo-scale {
    grid-template-columns: 1fr;
  }

  .mebyo-diagram__row {
    min-height: 64px;
    font-size: 1.1rem;
  }

  .sdgs-list li {
    width: calc(50% - 7px);
  }

  .access-stack__button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero__title-block {
    top: clamp(-16px, calc((100vw - 320px) * 0.2875 - 16px), 30px);
  }
}