/* breakpoint
---------------------- */
/* color
---------------------- */
/* Component
---------------------- */
html {
  font-size: 62.5%;
}

@media screen and (min-width: 768px) {
  .c-pc-none {
    display: none;
  }
}
.gothic {
  font-family: "Helvetica Neue", Arial, YuGothic, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", Meiryo, sans-serif;
}

.c-mb15 {
  margin-bottom: 15px;
}
@media screen and (min-width: 768px) {
  .c-mb15 {
    margin-bottom: 30px;
  }
}

.c-mb30 {
  margin-bottom: 30px;
}
@media screen and (min-width: 768px) {
  .c-mb30 {
    margin-bottom: 60px;
  }
}

#lp-change {
  width: 100%;
  max-width: 780px;
  margin: auto 0;
  letter-spacing: 0.1em;
}
@media screen and (min-width: 768px) {
  #lp-change {
    margin: 53px auto 0;
  }
}

/* mv
---------------------- */
.mv {
  margin-bottom: 30px;
  padding-top: 20px;
}
@media screen and (min-width: 768px) {
  .mv {
    margin-bottom: 60px;
    padding-top: 0;
  }
}

/* step
---------------------- */
.step {
  text-align: center;
}
.step__flow {
  width: 100%;
  margin: 0 auto;
}
@media screen and (min-width: 768px) {
  .step__flow {
    width: 780px;
  }
}
.step__box {
  position: relative;
  background-color: #ffffff;
  margin-bottom: 30px;
}
@media screen and (min-width: 768px) {
  .step__box {
    margin-bottom: 60px;
  }
}
.step__number {
  position: relative;
  width: 100%;
  margin-bottom: 20px;
}
@media screen and (min-width: 768px) {
  .step__number {
    margin-bottom: 40px;
  }
}
.step__txt {
  font-weight: bold;
  font-size: 1.6rem;
  margin-bottom: 20px;
}
@media screen and (min-width: 768px) {
  .step__txt {
    margin-bottom: 40px;
    font-size: 2rem;
  }
}
.step__detail {
  position: relative;
  width: 90%;
  margin: 0 auto;
}
.step__detail-arrow {
  font-weight: bold;
  font-size: 2rem;
  line-height: 1;
  color: #499cd9;
  margin: 15px auto;
}
@media screen and (min-width: 768px) {
  .step__detail-arrow {
    margin: 30px auto;
    font-size: 3rem;
  }
}
.step__line {
  position: relative;
  width: 100%;
  margin: 20px auto;
}
@media screen and (min-width: 768px) {
  .step__line {
    margin: 40px auto;
  }
}