/* 
─────────────────────────────────────────────────────────────────
Ｓ：メインビジュアル
───────────────────────────────────────────────────────────────── */
.main_visual {
  position: relative;
  width: 100%;
  overflow: hidden;
  background-color: #66e;
}

.background_video {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: auto;
  min-height: 100%;
  object-fit: cover;
  transform: translateY(-50%);
}

.main_visual::after {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  content: "";
  background: hsl(240deg 100% 31% / 60%);
}

.main_visual_frame {
  position: relative;
  z-index: 3;
  max-width: 648px;
  margin: 0 auto;
}

.main_visual_contents {
  max-width: 600px;
  aspect-ratio: 1 / 1;
  margin: 0 24px;
}

/* 
───────────────────────────────────────────────────────────────── */
.main_visual_catch {
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

/* 
───────────────────────────────────────────────────────────────── */
.main_visual_copy {
  padding: 0 24px 24px;
  color: #fff;
}

.main_visual_copy_title {
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  line-height: 2rem;
}

.main_visual_copy_title_block {
  display: block;
}

.main_visual_copy_title_abbreviation {
  display: none;
}

.main_visual_copy_description {
  display: none;
}

/* 
───────────────────────────────────────────────────────────────── */
.main_visual_form_button {
  width: 280px;
  height: auto;
  cursor: pointer;
  background-color: #fff;
  border-radius: 500px;
  transition: all 0.3s ease;
}

.main_visual_form_button_frame {
  position: relative; /* main_visual_form_button_titleとmain_visual_form_button_button_signの起点 */
  display: block;
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 8px 0;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
}

.main_visual_form_button_icon {
  position: absolute;
  top: 50%;
  left: 16px;
  width: 28px;
  margin: 2px 0 0;
  transition: all 0.3s ease;
  transform: translateY(-50%);
}

.main_visual_form_button_title {
  width: auto;
  padding: 2px 0 0;
  text-align: center;
}

.main_visual_form_button_title_main {
  font-size: 1.1rem;
  font-weight: 500;
  color: #00009f;
}

.main_visual_form_button_sign {
  position: absolute;
  top: 50%;
  right: 16px;
  margin: 2px 0 0;
  transition: all 0.3s ease;
  transform: translateY(-50%);
}

.main_visual_form_button_sign_frame {
  position: relative;
  display: inline-block;
  width: 14px;
  height: 14px;
  font-size: 14px;
}

.main_visual_form_button_sign_line {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: 56%;
  height: 56%;
  margin: -28% 0 0 -38%;
  border-right: 2px solid #00009f;
  border-bottom: 2px solid #00009f;
  transform: rotate(-45deg);
}

/* 
─────────────────────────────────────────────────────────────────
横幅800px～
───────────────────────────────────────────────────────────────── */
@media screen and (width >= 888px) {
  /* 
  ─────────────────────────────────────────────────────────────────
  Ｌ：メインビジュアル
  ───────────────────────────────────────────────────────────────── */
  .main_visual {
    width: 100%;
  }

  .main_visual_frame {
    max-width: 1248px;
  }

  .main_visual_contents {
    max-width: 1200px;
    aspect-ratio: 16 / 9;
  }

  /* 
  ───────────────────────────────────────────────────────────────── */
  .main_visual_copy {
    padding: 0 24px 40px;
  }

  .main_visual_copy_title {
    flex-flow: row;
    font-size: 3rem;
    line-height: 3.2rem;
  }

  .main_visual_copy_title_block {
    display: flex;
  }

  .main_visual_copy_title_abbreviation {
    display: flex;
  }

  .main_visual_copy_description {
    display: block;
    max-width: 800px;
    margin: 24px auto 0;
  }

  /* 
  ───────────────────────────────────────────────────────────────── */
  .main_visual_form_button {
    width: 560px;
  }

  .main_visual_form_button_frame {
    padding: 12px 0;
  }

  .main_visual_form_button:hover {
    background-color: #e5e5fc;
  }

  .main_visual_form_button_icon {
    left: 24px;
    width: 40px;
    margin: 0;
  }

  .main_visual_form_button:hover .main_visual_form_button_icon {
    transition: transform 0.3s ease;
    transform: translateY(-50%) scale(1.1);
  }

  .main_visual_form_button_title_main {
    font-size: 1.5rem;
  }

  .main_visual_form_button_sign {
    right: 24px;
  }

  .main_visual_form_button:hover .main_visual_form_button_sign {
    transform: translateY(-50%) translateX(4px);
  }

  /*
  ─────────────────────────────────────────────────────────────────
  ここまで
  ───────────────────────────────────────────────────────────────── */
}