/* 背景 */
.background {
  background-image: url('../images/top/background-object-1.png'), url('../images/top/background-object-2.png'), linear-gradient(#fff, #a3daf6);
  background-size: cover, cover, cover;
  background-position: top center, top center, top center;
}

/* FV */
.fv-wrapper {
  position: relative;
}
.fv-main-back,
.fv-main-back-sp {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
}
.fv-main-back-sp {
  display: none;
}
.fv-contents {
  display: flex;
  justify-content: flex-start;
  /* min: 16px, max: 24px | min-viewport: 1100px, max-viewport: 1920px */
  margin-top: clamp(1rem, 0.329rem + 0.98vw, 1.5rem);
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
}
.fv-inner {
  box-sizing: content-box;
  /* min: 480px, max: 800px | min-viewport: 1100px, max-viewport: 1920px */
  width: clamp(30rem, 3.171rem + 39.02vw, 50rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  /* min: 160px, max: 280px | min-viewport: 1100px, max-viewport: 1920px */
  padding-left: clamp(10rem, -0.061rem + 14.63vw, 17.5rem);
}
.fv-inner img {
  width: 100%;
  height: auto;
}
.fv-img-first {
  width: 95%;
  margin: auto;
}
.fv-img-second {
  width: 80%;
  margin: auto;
  margin-top: -40px;
}
.fv-message {
  display: grid;
  grid-template-columns: 1fr 4fr 1fr;
  grid-template-rows: auto;
  align-items: center;
  margin-top: -56px;
}
.fv-message-img-wrapper {
  width: 100%;
}
.fv-message-text {
  color: #fff;
  /* min: 20px, max: 28px | min-viewport: 1100px, max-viewport: 1920px */
  font-size: clamp(1.25rem, 0.579rem + 0.98vw, 1.75rem);
  font-weight: bold;
  text-align: center;
}
.fv-message-text span {
  /* min: 24px, max: 32px | min-viewport: 1100px, max-viewport: 1920px */
  font-size: clamp(1.5rem, 0.829rem + 0.98vw, 2rem);
}
.fv-info {
  background: #fff;
  border-color: #ccc;
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 24px;
  font-weight: bold;
  align-self: flex-start;
  margin-top: 40px;
}
.fv-info-text {
  color: var(--main-blue);
  /* min: 24px, max: 48px | min-viewport: 1100px, max-viewport: 1920px */
  font-size: clamp(1.5rem, -0.512rem + 2.93vw, 3rem);
}
.fv-info-text--medium {
  /* min: 20px, max: 32px | min-viewport: 1100px, max-viewport: 1920px */
  font-size: clamp(1.25rem, 0.244rem + 1.46vw, 2rem);
}
.fv-info-important {
  color: #d13155;
  /* min: 16px, max: 28px | min-viewport: 1100px, max-viewport: 1920px */
  font-size: clamp(1rem, -0.006rem + 1.46vw, 1.75rem);
}
/* ニュース */
.news-list-wrapper {
  width: 100%;
  overflow: hidden;
}
.news-list-container {
  max-height: 200px;
  padding: 16px 16px 16px 24px;
  overflow-y: scroll;
}
.news-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-item {
  display: flex;
  flex-direction: column;
}
.news-item-date {
  font-weight: bold;
  color: var(--main-blue);
  font-size: var(--text-size);
}
.news-item-detail {
  font-size: var(--text-size);
}
/* 開催概要 */
.event-details-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  padding: 16px 24px;
}
.event-details {
  display: grid;
  grid-template-columns: 120px 1fr;
  grid-template-rows: auto;
  align-items: flex-start;
  gap: 24px;
}
.event-details:not(:first-child) {
  margin-top: 20px;
  padding-top: 20px;
  border-top: dotted 4px #4eb5e5;
}
.event-detail-title-wrapper {
  display: flex;
  align-items: center;
  gap: 2px;
}
.event-detail-title-wrapper::before {
  content: '';
  width: 20px;
  height: 18px;
  margin-top: 2px;
  background: var(--main-blue);
  border-radius: 9999px;
}
.event-detail-title {
  width: 100%;
  color: var(--main-blue);
  font-size: var(--text-size);
  font-weight: bold;
  text-align-last: justify;
}
.event-details-text-wrapper {
  display: flex;
  flex-direction: column;
}
.event-details-text {
  font-size: var(--text-size);
}
.event-days {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, auto);
  margin-top: 24px;
}
.event-day {
  width: 100%;
  margin-top: 40px;
}
.event-day-heading {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
}
.event-day-date {
  color: var(--main-blue);
  font-size: var(--large-heading-size);
}
.event-day-mark {
  width: 24px;
  height: auto;
  min-height: 0;
  margin-top: 12px;
}
.event-day-box {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 12px 20px;
}
.event-day-title {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: var(--small-heading-size);
}
.event-day-title::before {
  content: '';
  width: 8px;
  height: var(--heading-size);
  background: #1079bd;
}
.event-day-speaker {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  font-size: var(--mini-text-size);
}
.event-day-speaker-sp {
  display: contents;
}
.event-day-speaker-position {
  font-size: 16px;
}
.event-day-speaker-name {
  font-size: var(--speaker-name-font-size);
  font-weight: bold;
}
.event-day-speaker-columns {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}
.event-day-speaker-columns .event-day-speaker-name {
  margin-bottom: -4px;
}
.event-day-speaker-positions {
  display: flex;
  flex-direction: column;
}
.event-day-speaker-positions-text {
  font-size: var(--mini-text-size);
}
.event-day-speaker-names {
  display: flex;
  align-items: flex-end;
  gap: 4px;
}
.event-img-wrapper {
  width: 100%;
  height: 100%;
  margin-top: 8px;
  position: relative;
}
.event-img {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  position: relative;
  z-index: 1;
}
.event-img-sp {
  display: none;
}
.event-type-tag {
  background: var(--gradient-back);
  border-radius: 8px;
  color: #fff;
  padding: 4px 16px;
  font-size: 16px;
  position: absolute;
  top: 4px;
  left: 4px;
  z-index: 2;
}
.event-day-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  grid-template-rows: repeat(2, auto);
  column-gap: 20px;
}
.event-day-title-area {
  grid-column: 1/2;
  grid-row: 1/2;
  display: flex;
  align-items: center;
}
.event-day-title-name {
  width: 100%;
  max-width: 160px;
}
.event-day-title-line {
  width: 100%;
  height: 10px;
  background-image: radial-gradient(circle, #06b6d4 2px, transparent 2px);
  background-position: left center;
  background-size: 20px 20px;
}
.event-day-box-detail .event-day-title-line {
  margin: 8px 0;
}
.event-day-img-area {
  grid-column: 2/3;
  grid-row: 1/3;
  display: flex;
  align-items: center;
  margin: 16px 0;
}
.event-day-text-area {
  grid-column: 1/2;
  grid-row: 2/3;
  width: 100%;
}
.event-sub-text {
  font-size: 20px;
  color: var(--main-blue);
}
.event-detail-text-wrapper {
  margin-top: 16px;
}
.event-detail-text {
  font-size: 16px;
  text-align: justify;
}

/* スライダー */
.splide {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 100%;
  overflow: hidden;
}
.splide__track {
  padding-top: 8px;
  padding-bottom: 8px;
}
.splide__pagination {
  gap: 8px;
}
.splide__pagination__page {
  background: transparent;
  border: solid 2px #fff;
  border-radius: 50%;
  height: 16px;
}
.splide__pagination__page.is-active {
  background: #fff;
}
/* レスポンシブ */
@media screen and (max-width:1040px) {
  /* 背景 */
  .background {
    background-position: top left, top left, top center;
  }
  /* ファーストビュー */
  .fv-wrapper {
    display: flex;
    flex-direction: column;
  }
  .fv-main-back {
    display: none;
  }
  .fv-main-back-sp {
    display: block;
  }
  .fv-contents {
    /* min: 300px, max: 720px | min-viewport: 320px, max-viewport: 1040px */
    width: clamp(18.75rem, 7.083rem + 58.33vw, 45rem);
    justify-content: center;
    left: 50%;
    transform: translateX(-50%);
  }
  .fv-inner {
    width: 100%;
    padding-left: 0;
  }
  .fv-message {
    display: none;
  }
  .fv-info {
    align-self: initial;
    margin-top: 0;
  }
  .fv-info-text {
    /* min: 20px, max: 40px | min-viewport: 320px, max-viewport: 1040px */
    font-size: clamp(1.25rem, 0.694rem + 2.78vw, 2.5rem);
  }
  .fv-info-text--medium {
    /* min: 16px, max: 32px | min-viewport: 320px, max-viewport: 1040px */
    font-size: clamp(1rem, 0.556rem + 2.22vw, 2rem);
  }
  .fv-img-first {
    width: 100%;
  }
  /* 開催概要 */
  .event-days {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .event-days > * {
    grid-column: 1;
  }
  .event-day-box {
    height: fit-content;
  }
  .event-day-heading {
    padding-left: 8px;
  }
  .event-day-first {
    order: 1;
  }
  #slider-1 {
    order: 2;
  }
  .event-day-second {
    order: 3;
  }
  #slider-2 {
    order: 4;
  }
  .event-day-speaker {
    justify-content: flex-start;
  }
  .event-day-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .event-day-grid > * {
    grid-column: 1;
    grid-row: auto;
  }
  .event-day-title-area .event-day-title-line {
    display: none;
  }
  /* スライダー */
  .splide__track {
    margin-left: -8px;
  }
}

@media screen and (max-width:600px) {
  /* メイン */
  .main-inner {
    padding: 0 24px;
    /* min: 120px, max: 16px | min-viewport: 320px, max-viewport: 600px */
    margin-top: clamp(16px, 238.84px - 37.14vw, 120px);
  }
  /* 開催概要 */
  .event-day-title {
    gap: 8px;
  }
  .event-details {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .event-detail-title {
    text-align-last: initial;
  }
  .event-day-speaker {
    flex-direction: column;
  }
  .event-day-speaker-columns {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }
  .event-day-speaker-sp {
    display: flex;
    align-items: baseline;
    gap: 8px;
  }
  .event-day-box {
    justify-content: initial;
  }
  .event-img-wrapper {
    height: auto;
  }
  .event-img {
    height: auto;
  }
  .event-img-pc {
    display: none;
  }
  .event-img-sp {
    display: block;
  }
  .event-detail-text-wrapper {
    margin-top: 4px;
  }
  .event-sub-text {
    font-size: 16px;
  }
  .event-detail-text {
    font-size: 14px;
  }
  .event-day-box-detail .event-day-title-line {
    margin: 4px 0 0;
  }
}