.nav_list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 20px;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.nav_list a:hover {
  opacity: 0.7 !important;
}

.box {
  padding: 0px 30px 20px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}
@media (max-width: 679px) {
  .box {
    padding: 0px 20px 20px;
  }
}
.box._first {
  margin-top: 40px;
}

h4:not(.box_head) {
  margin-top: 35px;
}
h4.box_head {
  font-size: 18px;
  color: #db4132;
  padding: 15px 0;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  position: relative;
}
@media (max-width: 767px) {
  h4.box_head {
    font-size: 16px;
  }
}
h4.box_head:after {
  content: "";
  position: absolute;
  top: 0;
  left: -30px;
  display: block;
  width: calc(100% + 60px);
  height: 100%;
  background-color: rgba(255, 232, 229, 0.3);
  z-index: 8;
}
h4.box_head span {
  position: relative;
  z-index: 10;
}
h4.box_head span > span {
  font-size: 14px;
}

@media (min-width: 680px) {
  .box + h4:not(.box_head) {
    margin-top: 60px;
  }
}

.box + p {
  margin-top: 15px;
}

p {
  letter-spacing: 0.04em;
}

.box_body {
  padding: 15px 0 0;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}
.box_body a:not(.btn) {
  text-decoration: none;
}
.box_body a:not(.btn):hover {
  text-decoration: underline;
}
.box_body .color {
  color: #2255aa;
}

p + .box_column {
  margin-top: 20px;
  border-top: 1px solid #ccc;
  padding-top: 20px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

.box_column {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 60px;
}
.box_column > div {
  width: calc(50% - 30px);
  position: relative;
  padding: 8px 0;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}
.box_column > div:after {
  content: none;
  position: absolute;
  top: 0;
  right: -30px;
  display: block;
  width: 1px;
  height: 100%;
  background-color: #cccccc;
}
.box_column > div:nth-child(odd)::after {
  content: "";
}
.box_column > div .subtitle {
  font-size: 16px;
  background-color: transparent;
  position: relative;
  padding-left: 15px;
  color: #333333;
  font-weight: bold;
  line-height: 1.125;
  margin-bottom: 8px;
}
.box_column > div .subtitle:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 3px;
  height: 100%;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  background-color: #db4132;
}
.box_column > div img {
  display: block;
  margin: 0 auto;
}
@media (max-width: 679px) {
  .box_column {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 32px;
  }
  .box_column > div {
    width: 100%;
  }
  .box_column > div::after {
    top: auto;
    bottom: -16px;
    left: 50%;
    -webkit-transform: translate(-50%, 0);
        -ms-transform: translate(-50%, 0);
            transform: translate(-50%, 0);
    width: 100%;
    height: 1px;
  }
  .box_column._reverse {
    -webkit-box-orient: vertical;
    -webkit-box-direction: reverse;
        -ms-flex-direction: column-reverse;
            flex-direction: column-reverse;
  }
  .box_column._reverse > div::after {
    top: -16px;
    bottom: auto;
  }
}
.box_column._single_reverse {
  -webkit-box-orient: vertical;
  -webkit-box-direction: reverse;
      -ms-flex-direction: column-reverse;
          flex-direction: column-reverse;
  gap: 50px;
  padding-top: 15px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}
.box_column._single_reverse > div {
  width: 100%;
  padding: 0;
}
.box_column._single_reverse > div::after {
  top: -20px;
  bottom: auto;
  left: 50%;
  -webkit-transform: translate(-50%, 0);
      -ms-transform: translate(-50%, 0);
          transform: translate(-50%, 0);
  width: 100%;
  height: 1px;
}

.btn2 {
  border: 2px solid #ffa983;
  border-radius: 3px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 15px 20px;
  text-decoration: none;
  color: #333;
  display: inline-block;
  min-width: 320px;
  font-weight: 600;
  position: relative;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
.btn2:hover {
  color: #333;
  opacity: 0.7;
  text-decoration: none !important;
}
.btn2:after {
  content: "";
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
  right: 20px;
  display: block;
  width: 17px;
  height: 17px;
  background-image: url(/common/img/icon/arrow_grenn.png);
}

.btn3 {
  border: 1px solid #2255aa;
  border-radius: 3px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 15px 20px 15px 40px;
  text-decoration: none !important;
  color: #2255aa;
  display: inline-block;
  width: 100%;
  font-weight: 600;
  position: relative;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
.btn3:before {
  content: "";
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
      -ms-transform: translateY(-50%);
          transform: translateY(-50%);
  left: 15px;
  display: block;
  width: 17px;
  height: 17px;
  background-image: url(/common/img/icon/arrow_blue.png);
  background-size: cover;
  -webkit-transition: all 0.2s;
  transition: all 0.2s;
}
.btn3:hover {
  color: #fff !important;
  background-color: #2255aa;
  text-decoration: none;
}
.btn3:hover::before {
  background-image: url(/common/img/icon/arrow_white2.png);
  background-size: cover;
}

.flow {
  margin-top: 80px;
}

.flow-green h4.box_head {
  color: #4d8c2b;
}
.flow-green h4.box_head:after {
  background-color: rgba(228, 246, 219, 0.3);
}
.flow-green .box_column > div .subtitle:before {
  background-color: #4d8c2b;
}

@media (min-width: 680px) {
  .pc_hidden {
    display: none;
  }
}

@media (max-width: 679px) {
  .sp_hidden {
    display: none;
  }
}

.branch_wrapper {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin-bottom: 1em;
}
.branch_wrapper > div {
  width: 50%;
}
.branch_wrapper > div.arrow {
  position: relative;
}
.branch_wrapper > div.arrow::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
      -ms-transform: translateX(-50%);
          transform: translateX(-50%);
  width: 4px;
  height: calc(100% - 5px);
  background-color: #7eab64;
}
.branch_wrapper > div.arrow::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
      -ms-transform: translateX(-50%);
          transform: translateX(-50%);
  width: 30px;
  height: 18px;
  background-image: url(/common/img/icon/arrow_down_green.png);
  background-size: cover;
}
@media (max-width: 679px) {
  .branch_wrapper > div {
    width: 100%;
  }
  .branch_wrapper > div.arrow {
    display: none;
  }
}