/* adjust
================================================== */
/* c-btn */
.c-btn {
  position: relative;
  display: block;
  padding: 1.25em 1.25em 1.1em;
  max-width: 870px;
  margin: 0 auto;
  background-color: #5f647c;
  border-radius: 5px;
  font-size: 18px;
  font-weight: normal;
}

.c-btn::before {
  content: "";
  position: absolute;
  top: 50%;
  right: 20px;
  width: 8px;
  height: 8px;
  border-top: solid 2px #fff;
  border-right: solid 2px #fff;
  transform: translateY(-50%) rotate(45deg);
}

.c-btn > span {
  background: none;
  padding: 0;
}

.c-btn--round {
  display: inline-block;
  padding: 1em 4em .9em;
  border-radius: 2em;
}

@media only screen and (max-width: 767px) {
  .c-btn > span {
    padding-right: .5em;
  }

  .c-btn::before {
    right: 15px;
  }

  .c-btn--round {
    padding: 1em 4em .9em;
    font-size: 16px;
  }
}
/* koubo */
.koubo {
  display: flex;
  gap: 40px;
}
.koubo__image {
  margin: 0;
  flex: 0 0 300px;
}
.koubo__body {
  flex: 1 0 0%;
}
@media only screen and (max-width: 767px) {
  .koubo {
    display: block;
  }
  .koubo__image {
    margin: 0 auto 2em;
    text-align: center;
  }
}