*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* SP: 595px時に1rem=10px */
html {
  font-size: calc(100vw / 59.5);
}

body {
  min-width: 320px;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

.container {
  width: 100%;
}

.mv .container {
  position: relative;
}

.mv__btn {
  position: absolute;
  bottom: 12.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 32.5rem;
  display: block;
}

.mv__btn,
.section04__btn,
.section05__btn {
  transition: opacity 0.3s;
}

.mv__btn:hover,
.section04__btn:hover,
.section05__btn:hover {
  opacity: 0.7;
}

.content01 .container,
.content02 .container,
.content03 .container {
  padding: 10rem 4.5rem;
}

.section04 {
  padding-bottom: 13.5rem;
}

.section04 .container {
  position: relative;
}

.section04__btn {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 35rem;
  display: block;
}

.section05 .container {
  position: relative;
}

.section05__btns {
  position: absolute;
  bottom: 28.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.section05__btn {
  display: block;
  width: 26.4rem;
}

.content01 {
  background: url(img/bg01.png) repeat;
  background-size: 200% auto;
}

.content02 {
  background: url(img/bg02.png) repeat;
  background-size: 200% auto;
}

.content03 {
  background: url(img/bg03.png) repeat;
  background-size: 200% auto;
}

/* PC: 1366px時に1rem=10px */
@media (min-width: 768px) {
  html {
    font-size: calc(100vw / 136.6);
  }

  .container {
    width: 100rem;
    margin: 0 auto;
  }

  .mv .container {
    width: 100%;
  }

  .mv__btn {
    width: 31.6vw;
    bottom: 12vw;
    left: 25vw;
  }

  .section04__btn {
    width: 47rem;
    bottom: 4.5rem;
  }

  .section05__btns {
    bottom: 48rem;
    gap: 3.4rem;
  }

  .section05__btn {
    width: 44.3rem;
  }

  .content01,
  .content02,
  .content03 {
    background-size: 100% auto;
  }

  .content01 img,
  .content02 img,
  .content03 img {
    width: 75rem;
    margin: 0 auto;
  }
}