/* ======================================================================
  Side Event — Archive（一覧）
====================================================================== */

:root {
  --se-blue: #006AB0;
  --se-blue-main: #cafef7;
  --se-blue-public: #9af0e4;
  --se-blue-intro: #cafef7;
  --se-blue-ended: #afafaf;
  --se-blue-dark: #004a7c;
  --se-coral: #f15a29;
  --se-pink: #c82800;
  --se-lang: #006AB0;
  --se-text: #003a66;
  --se-muted: #5a7a94;
  --se-border: #d5e3ee;
  --se-card-w: 360px;
}

/* ----------------------------------------------------------------------
  Archive（一覧）
---------------------------------------------------------------------- */

.sideevent-archive {
  background-color: var(--se-blue-main);
  color: #000;
}

.sideevent-archive .top_title1,
.sideevent-archive .top_title1.white {
  color: #006ab0;
}

/* イントロのみ別色（デザイン準拠） */
.sideevent-archive__intro-block {
  background-color: var(--se-blue-intro);
  padding: 30px 0 60px;
}

.sideevent-archive__intro-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.sideevent-archive__intro {
  margin-top: 24px;
  color: #000;
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.05em;
  text-align: justify;
}

.en .sideevent-archive__intro {
  text-align: left;
  word-break: keep-all;
}

@media all and (min-width: 681px) {
  .sideevent-archive__intro {
    width: 862px;
  }
}

.sideevent-archive__note {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background-color: #a0e8dc;
  color: #000;
  font-size: 15px;
  line-height: 1.8;
  letter-spacing: 0.05em;
}

.sideevent-archive__public {
  background-color: var(--se-blue-public);
  padding: 60px 0 80px;
}

.sideevent-archive__upcoming {
  background-color: var(--se-blue-main);
  padding: 60px 0 80px;
}

.sideevent-archive__main {
  max-width:1150px; /* 360×3 + gap24×2 */
  margin: 0 auto;
}

.sideevent-archive__section {
  margin-top: 80px;
}

.sideevent-archive__section:first-child {
  margin-top: 0;
}

.sideevent-archive__section-title {
  text-align: center;
  font-size: 35px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 30px;
  color: #006ab0;
  font-family: 'Oswald';
}

.sideevent-archive__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, var(--se-card-w)));
  gap: 35px 35px;
  align-items: stretch;
  justify-content: center;
}

.sideevent-archive__empty {
  text-align: center;
  padding: 60px 0 80px;
  font-size: 16px;
}

/* 開催終了ブロック */
.sideevent-archive__ended {
  margin-top: 0;
  padding: 60px 0 80px;
  background-color: var(--se-blue-ended);
  color: #fff;
}

.sideevent-archive__ended-inner {
  width: min(1128px, 92%);
  margin: 0 auto;
}

.sideevent-archive__ended .sideevent-archive__section-title {
  color: #fff;
}

.sideevent-archive__ended .sideevent-archive__section {
  margin-top: 48px;
}

.sideevent-archive__ended .sideevent-archive__section:first-of-type {
  margin-top: 40px;
}

.sideevent-archive__section-title--date {
  font-weight: 700;
  margin-bottom: 28px;
  line-height: 1;
  letter-spacing: 0.02em;
}

.sideevent-archive__date-year,
.sideevent-archive__date-md,
.sideevent-archive__date-wday {
  font-weight: 700;
}

.sideevent-archive__date-wday {
  font-family: "Noto Sans JP", sans-serif;
}

@media all and (min-width: 681px) {
  .sideevent-archive__date-year {
    font-size: 40px;
  }

  .sideevent-archive__date-md {
    font-size: 50px;
  }

  .sideevent-archive__date-wday {
    font-size: 20px;
  }
}

/* ----------------------------------------------------------------------
  Card
---------------------------------------------------------------------- */

.sideevent-card {
  background: #fff;
  color: var(--se-text);
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: var(--se-card-w);
  height: 100%;
  transition: opacity 0.3s ease;
}

@media (hover: hover) {
  .sideevent-card:hover {
    opacity: 0.8;
  }
}

.sideevent-card__link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.sideevent-card__thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2; /* 360×240 */
  overflow: hidden;
  background: #c5d8e8;
}

.sideevent-card__thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.sideevent-card__badges {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  flex-direction: row;
  gap: 6px;
  align-items: flex-start;
  z-index: 4;
}

.sideevent-card__badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--se-pink);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.27;
  text-align: center;
  letter-spacing: 0;
}

.sideevent-card__badge--restricted {
  background: #fff;
  color: #006AB0;
  border: 1px solid #006AB0;
  box-sizing: border-box;
}

.sideevent-card__ended {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: rgb(0 0 0 / 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.04em;
  pointer-events: none;
  padding-top: 0.5em;
}

.sideevent-card__body {
  position: relative;
  padding: 18px 24px 40px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.sideevent-card__lang {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 10px;
  padding: 4px 10px;
  background: var(--se-lang);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.02em;
  border-radius: 2px;
}

.sideevent-card__datetime {
  font-size: 14px;
  font-weight: 700;
  color: var(--se-blue);
  letter-spacing: 0;
  /* margin-bottom: 8px; */
  font-family: 'Oswald';
}

.sideevent-card__datetime-sep {
  display: inline-block;
  margin: 0 0.75em; /* デザインに合わせて調整 */
}

.sideevent-card__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--se-blue);
  margin-bottom: 8px;
}

.sideevent-card__copy {
  font-size: 13px;
  line-height: 1.7;
  color: #000;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sideevent-card__arrow {
  position: absolute;
  right: 16px;
  bottom: 14px;
  width: 14px;
  height: 11px;
  background: url("../img/sideevent/arrow_rb.svg") no-repeat center / contain;
}

/* @media (hover: hover) {
  .sideevent-card:not(.is-ended) .sideevent-card__link:hover .sideevent-card__title {
    text-decoration: underline;
  }
} */

/* ----------------------------------------------------------------------
  Responsive
---------------------------------------------------------------------- */

@media all and (max-width: 900px) {
  .sideevent-archive__grid {
    grid-template-columns: repeat(2, minmax(0, var(--se-card-w)));
  }
}

@media all and (max-width: 680px) {
  .sideevent-archive__main {
    width: 85%;
  }

  .sideevent-archive__intro-block {
    padding: 20px 5% 40px;
  }

  .sideevent-archive__intro {
    margin-top: 16px;
    font-size: 14px;
  }

  .sideevent-archive__public,
  .sideevent-archive__upcoming {
    padding: 50px 0;
  }

  .sideevent-archive__section {
    margin-top: 50px;
  }

  .sideevent-archive__ended {
    margin-top: 0;
    padding: 50px 0 70px;
  }

  .sideevent-archive__section-title--date {
    margin-bottom: 20px;
  }

  .sideevent-archive__date-year {
    font-size: 24px;
  }

  .sideevent-archive__date-md {
    font-size: 30px;
  }

  .sideevent-archive__date-wday {
    font-size: 14px;
  }

  .sideevent-archive__section-title {
    font-size: 22px;
    margin-bottom: 15px;
}

  .sideevent-archive__grid {
    grid-template-columns: minmax(0, var(--se-card-w));
    gap: 20px;
  }

}