#main-slider {
  width: 100%;
  overflow: hidden;
}

#main-slider .splide__slide img {
  display: block;
  width: 100%;
  height: auto;
}

/* 矢印 */
#main-slider .splide__arrow {
  width: 44px;
  height: 44px;
  opacity: 0.8;
}

/* スマホ */
@media screen and (max-width: 767px) {
  #main-slider .splide__arrow {
    display: none;
  }
}

/* スライド全体 */
#main-slider .splide__slide {
  position: relative;
  min-height: 400px;
  height: 40vw;
  max-height: 750px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* 背景画像 */
#main-slider .slide-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 半透明のテキストボックス */
#main-slider .slide-content {
  position: relative;
  z-index: 2;
  width: min(60%, 700px);
  padding: 8px 16px;
  text-align: center;
  border-radius: 20px;
}

/* 見出し */
#main-slider .slide-content h2 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0;
  color: #ffffff;
  font-size: clamp(18px, 2.2vw, 32px);
  font-family: "Noto Serif JP", serif;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-shadow: 3px 3px 6px rgba(0, 0, 0, 1), 0 0 12px rgba(0, 0, 0, 0.9);
}

/* 見出し横のライン */
#main-slider .heading-line {
  position: relative;
  width: 48px;
  height: 2px;
  background: #0055b8;
  flex-shrink: 0;
}

#main-slider .heading-line::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1px;
  transform: translateY(-50%);

  border-left: 9px solid #0055b8;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

/* 説明文 */
#main-slider .slide-content p {
  margin: 12px 0 20px;
  color: #ffffff;
  font-size: clamp(13px, 1.4vw, 17px);
  line-height: 1.8;
  letter-spacing: 0.08em;
  text-shadow: 3px 3px 6px rgba(0, 0, 0, 1), 0 0 12px rgba(0, 0, 0, 0.9);
}

/* ボタンエリア */
#main-slider .slide-buttons {
  display: none;
  justify-content: center;
  gap: 12px;
}

/* 共通ボタン */
#main-slider .slide-button {
  width: 180px;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;

  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;

  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    opacity 0.25s ease;
}

#main-slider .slide-button:hover {
  transform: translateY(-3px);
}

/* 青ボタン */
#main-slider .slide-button-blue {
  color: #fff;
  background: #0063d8;
  box-shadow: 0 8px 18px rgba(0, 99, 216, 0.35);
}

#main-slider .slide-button-blue:hover {
  background: #004fab;
}

/* 金ボタン */
#main-slider .slide-button-gold {
  color: #fff;
  background: #e2b85c;
  box-shadow: 0 8px 18px rgba(185, 139, 40, 0.28);
}

#main-slider .slide-button-gold:hover {
  background: #d5a642;
}

/* PCではスマホ用改行を無効化 */
.sp-only {
  display: none;
}

@media screen and (max-width: 767px) {
  .sp-only {
    display: block;
  }
  #main-slider .splide__slide {
    min-height: 600px;
    height: 120vw;
    padding: 24px 15px;
  }

  #main-slider .slide-content {
    width: 100%;
    padding: 20px 16px;
    border-radius: 20px;
  }

  #main-slider .slide-content h2 {
    display: block;
    font-size: 26px;
    line-height: 1.5;
    color: #ffffff;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 1), 0 0 12px rgba(0, 0, 0, 0.9);
  }

  #main-slider .heading-line {
    display: block;
    width: 32px;
    margin: 0 auto 10px;
  }

  #main-slider .slide-content p {
    margin: 12px 0 18px;
    font-size: 13px;
    line-height: 1.9;
    color: #ffffff;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 1), 0 0 12px rgba(0, 0, 0, 0.9);
  }

  #main-slider .slide-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  #main-slider .slide-button {
    width: 100%;
    max-width: 240px;
    min-height: 46px;
    font-size: 14px;
  }

  .sp-only {
    display: block;
  }
}
/* ファーストビューのメインコピーを150%に拡大して視認性を強化 */
#main-slider .slide-content-primary h2 {
  display: block;
  position: relative;
  left: 50%;
  width: max-content;
  max-width: none;
  margin-right: 0;
  margin-left: 0;
  transform: translateX(-50%);
  font-size: clamp(27px, 3.3vw, 48px);
  text-align: center;
  white-space: nowrap;
  text-shadow: 0 3px 5px #000000, 0 0 10px #000000, 0 0 20px rgba(0, 0, 0, 0.95);
}

#main-slider .slide-content-primary p {
  position: relative;
  left: 50%;
  width: max-content;
  max-width: none;
  margin-right: 0;
  margin-left: 0;
  transform: translateX(-50%);
  font-size: clamp(19.5px, 2.1vw, 25.5px);
  white-space: nowrap;
  text-shadow: 0 3px 5px #000000, 0 0 10px #000000, 0 0 20px rgba(0, 0, 0, 0.95);
}

@media screen and (max-width: 767px) {
  #main-slider .slide-content-primary h2 {
    left: auto;
    width: auto;
    max-width: 100%;
    margin-right: auto;
    margin-left: auto;
    transform: none;
    font-size: 39px;
    white-space: normal;
  }

  #main-slider .slide-content-primary p {
    left: auto;
    width: auto;
    max-width: 100%;
    margin-right: auto;
    margin-left: auto;
    transform: none;
    font-size: 19.5px;
    white-space: normal;
  }
}