header {
  padding: 30px 24px;
}

.header-outer {
    position: sticky;
    top: -1px;
    left: 0;
    background-color: #fff;
    z-index: 4;
  }

.header-inner {
  max-width: 1580px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}


.header-inner-left {
  max-width: 1080px;
  width: calc(100% - 400px);
}

.header-inner-right {
  max-width: 380px;
  width: 100%;
  flex-shrink: 0;
}

.header-text {
  font-size: 20px;
  margin-bottom: 20px;
}

.header-title {
  font-size: 46px;
  font-weight: bold;
  color: #1A2284;
  line-height: 1;
}

.header-button {
  background-color: #FFF1A5;
  padding: 10px 10px;
  border-radius: 16px;
  text-align: center;
  line-height: 1.2;
  font-weight: normal;
  border: 2px solid #1A2284;
}

.header-button-text {
  font-size: 36px;
}

.header-button-tel {
  font-size: 40px;
  font-weight: bold;
  color: #1A2284;
}

.nav-box {
  background-color: #1A2284;
}

.nav-list {
  display: flex;
  max-width: 1580px;
  margin: 0 auto;
}

.nav-list-item {
  flex-grow: 1;
  position: relative;
}

.nav-list-item::after {
  content: '';
  position: absolute;
  width: 2px;
  height: calc(100% - 26px);
  transform: translate(0, -50%);
  top: 50%;
  right: -1px;
  background-color: #fff;
}

.nav-list-item:last-child:after {
  display: none;
}

.nav-list-link {
  color: #fff;
  font-size: 30px;
  display: block;
  text-align: center;
  font-weight: normal;
  padding: 10px 5px;
}

.kv-zone {
  padding: 80px 20px;
}

.kv-zone-inner {
  max-width: 1580px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.kv-zone-left {
  max-width: 840px;
}

.kv-zone-right {
  max-width: 720px;
}

.kv-zone-title {
  font-size: 50px;
  font-weight: normal;
  color: #1A2284;
  margin-bottom: 30px;
}

.kv-zone-title span {
  font-size: 40px;
}

.kv-zone-text-1 {
  font-size: 30px;
  margin-bottom: 20px;
}

.kv-zone-text-2 {
  margin-bottom: 20px;
}

.kv-zone-text-3 {
  margin-bottom: 10px;
  font-size: 32px;
  border-left: 4px solid #1A2284;
  line-height: 1.2;
  padding-left: 10px;
}

.kv-zone-text-4 {
  font-size: 24px;
}

.section-box {
  margin: 0 auto 100px;
}

.inner-box {
  max-width: 1640px;
  margin: 0 auto;
  padding: 0 20px;
}

.title-2 {
  text-align: center;
  margin: 0 auto 80px;
  font-size: 42px;
  padding: 5px 0;
  color: #fff;
  background-color: #1A2284;
  font-weight: normal;
  position: relative;
}

.title-2::after {
  position: absolute;
  height: 100%;
  width: calc(50% - 250px);
  right: 0;
  top: 0;
  content: '';
  background-color: #fff;
}

.title-2--right::after {
  right: auto;
  left: 0;
}

.title-2--full {
  padding: 20px 0;
}

.title-2--full::after {
  display: none;
}

.title-3 {
  font-size: 32px;
  font-weight: bold;
  padding-left: 0.6em;
  position: relative;
  margin-bottom: 20px;
}

.title-3::before {
  position: absolute;
  height: 100%;
  left: 0;
  top: 0;
  content: '';
  width: 4px;
  background-color: #1A2284;
}

.about-image {
  text-align: center;
  margin: 0 auto 80px;
}

.box-1-outer {
  display: flex;
  justify-content: space-between;
}

.box-1-left {
  order: -1;
  width: calc(400/1600*100%);
}

.box-1-right {
  width: calc(1160/1600*100%);
  font-size: 32px;
}

.flow-list-item {
  margin: 0 auto 60px;
}

.flow-box {
  display: flex;
  justify-content: space-between;
}

.flow-box-left {
  width: calc(560/1600*100%);
}

.flow-box-right {
  width: calc(860/1600*100%);
  position: relative;
}

.flow-box-right::after {
  content: '';
  border-left: 4px dashed #1A2284;
  width: 1px;
  height: calc(100% - 30px);
  position: absolute;
  left: -62px;
  bottom: 0;
}

.flow-box-text {
  font-size: 28px;
}

.flow-box-image {
  display: none;
}

.flow-box-title {
  font-size: 32px;
  position: relative;
  margin-bottom: 5px;
  padding-top: 16px;
}

.flow-box-title-number {
  right: calc(100% + 10px);
  top: 0;
  position: absolute;
  height: 100px;
  width: 100px;
  color: #1A2284;
  border: 4px solid #1A2284;
  background-color: #BFE6F6;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 300px;
  font-size: 48px;
  z-index: 3;
}

.flow-box-title-text {
  font-weight: bold;
}

.flow-list-note {
  font-size: 28px;
  margin: 30px auto;
}

.charge-text-1 {
  margin: 0 auto 40px;
  font-size: 28px;
}


.charge-text-1 span {
  font-weight: bold;
}

.charge-text-2 {
  margin: 0 auto 60px;
  font-size: 24px;
}

.charge-text-3 {
  font-size: 32px;
  margin: 0 auto 20px;
}

.table-sys-1,
.table-sys-2 {
  width: 100%;
  border-collapse: collapse;
  border-left: 1px solid #707070;
  border-top: 1px solid #707070;
  margin: 0 auto 60px;
}

.table-sys-1 th,
.table-sys-1 td,
.table-sys-2 th,
.table-sys-2 td {
  border-right: 1px solid #707070;
  border-bottom: 1px solid #707070;
  font-size: 28px;
  padding: 10px;
  font-weight: normal;
}


.table-sys-1 th {
  text-align: center;
  background-color: #BFE6F6;
  width: 28%;
}

.table-sys-2 th {
  text-align: center;
  background-color: #F6DCBF;
  width: 28%;
}

.table-sys-2 .item-left {
  text-align: left;
  padding: 20px 40px;
}

.table-sys-2 .item-dark {
  background-color: #FFD099;
}

.table-sys-2 .item-strong {
  font-weight: bold;
}

.tool-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 60px;
}

.tool-list-item {
  width: calc(50% - 30px);
}

.tool-p-1 {
  font-size: 32px;
  font-weight: bold;
  margin-bottom: 20px;
}

.overview-p-1 {
  font-size: 32px;
  margin: 0 auto 60px;
}

.overview-p-1 span {
  font-weight: bold;
}

.footer-p1 {
  text-align: center;
  padding: 20px 10px;
  font-size: 16px;
}

.back-to-top {
  position: fixed;
  right: 10px;
  bottom: 10px;
  text-decoration: none;
  color: #333;
  z-index: 10;
}

.back-to-top:hover {
  text-decoration: none;
  opacity: 0.9;
}

.back-to-top .icon {
  display: block;
  width: 60px;
  height: 60px;
  border-radius: 300px;
  position: relative;
  background-color: #1A2284;
  margin-bottom: 10px;
  box-shadow: 0px 0px 2px #fff;
}

.back-to-top .icon::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 16px solid transparent;
  border-right: 16px solid transparent;
  border-bottom: 26px solid #fff;
  position: absolute;
  left: 50%;
  top: 12px;
  transform: translate(-50%, 0);
}

.back-to-top .text {
  font-size: 14px;
  line-height: 1.2;
  display: block;
  text-align: center;
  text-shadow:
    -1px -1px 0 #fff,
    1px -1px 0 #fff,
    -1px 1px 0 #fff,
    1px 1px 0 #fff,
    0 -1px 0 #fff,
    1px 0 0 #fff,
    0 1px 0 #fff,
    -1px 0 0 #fff;
}

img.is-pc {
  margin: 0 auto;
}

@media (max-width: 670px) {
  img.is-sp {
    margin: 0 auto;
  }

  header {
    padding: 10px 10px;
  }

  .header-inner {
    /* display: block; */
  }

  .header-inner-left {
    width: calc(100% - 120px);
  }

  .header-inner-right {
    width: 114px;
  }

  .header-text {
    font-size: 12px;
    margin-bottom: 10px;
  }

  .header-text-sp {
    font-size: 13px;
    padding: 10px 10px 0;
  }

  .header-title {
    font-size: 16px;
    line-height: 1.4;
  }

  .header-title span {
    display: inline-block;
  }

  .header-button {
    padding: 2px 0 4px;
    text-align: center;
    width: 100%;
    border-radius: 4px;
    border-width: 2px;
  }

  .header-button-text {
    font-size: 10px;
    font-weight: bold;
  }

  .header-button-tel {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    font-size: 11px;
  }

  .nav-list {
    flex-wrap: wrap;
  }

  .nav-list-item {
    width: calc(100% / 3);
  }

  .nav-list-link {
    box-sizing: border-box;
    font-size: 13px;
    word-break: keep-all;
    border-bottom: 1px solid #fff;
    border-right: 1px solid #fff;
  }

  .nav-list-item::after {
    display: none;
  }

  .kv-zone {
    padding: 30px 10px;
  }

  .kv-zone-inner {
    display: block;
  }

  .kv-zone-left {
    width: 100%;
    margin-bottom: 20px;
  }

  .kv-zone-right {
    width: 100%;
  }

  .kv-zone-title {
    font-size: 20px;
    text-align: center;
    margin-bottom: 20px;
  }

  .kv-zone-title span {
    font-size: 18px;
  }

  .kv-zone-text-1 {
    font-size: 16px;
  }

  .kv-zone-text-2 {
    max-width: calc(200/320*100%);
    margin: 0 auto 20px;
  }

  .kv-zone-text-3 {
    font-size: 20px;
  }

  .kv-zone-text-4 {
    font-size: 16px;
  }

  .section-box {
    margin: 0 auto 60px;
  }

  .title-2 {
    font-size: 22px;
    margin: 0 auto 20px;
  }

  .title-2::after {
    display: none;
  }

  .about-image {
    max-width: calc(240/320*100%);
    margin: 0 auto 20px;
  }

  .box-1-outer {
    display: block;
  }

  .box-1-right {
    width: 100%;
    margin: 0 auto 20px;
    font-size: 16px;
  }

  .box-1-left {
    width: 100%;
    max-width: calc(240/320*100%);
    margin: 0 auto 20px;
  }

  .flow-box {
    display: block;
  }

  .flow-box-left {
    display: none;
  }

  .flow-box-right {
    width: 100%;
  }

  .flow-box-title {
    position: static;
    display: flex;
    align-items: center;
    gap: 0 10px;
    padding: 0;
  }

  .flow-box-title-number {
    position: static;
    font-size: 20px;
    width: 40px;
    height: 40px;
    border-width: 2px;
    flex-shrink: 0;
  }

  .flow-box-title-text {
    font-size: 20px;
  }

  .flow-box-text {
    font-size: 18px;
  }

  .flow-box-image {
    display: block;
    margin: 0 auto 10px;
  }

  .flow-list-item {
    max-width: 400px;
    margin: 0 auto 40px;
  }

  .flow-box-right::after {
    display: none;
  }

  .flow-list-note {
    max-width: 400px;
    margin: 0 auto;
    font-size: 16px;
  }

  .charge-text-1 {
    font-size: 20px;
    margin-bottom: 20px;
  }

  .charge-text-1 span {
    font-size: 24px;
  }

  .table-sys-1,
  .table-sys-2 {
    margin: 0 auto 40px;
  }

  .table-sys-1 th,
  .table-sys-1 td,
  .table-sys-2 th,
  .table-sys-2 td {
    display: block;
    width: 100%;
    font-size: 18px;
  }

  .title-3 {
    font-size: 20px;
  }

  .charge-text-2 {
    font-size: 18px;
    margin-bottom: 40px;
  }

  .charge-text-3 {
    font-size: 18px;
    margin: 0 auto 10px;
  }

  .table-sys-2 .item-left {
    padding: 10px;
  }

  .table-sys-2 .item-strong {
    display: inline-block;
    width: 100%;
    text-align: center;
  }

  .tool-list {
    display: flex;
    gap: 20px 10px;
  }

  .tool-p-1 {
    font-size: 13px;
    margin-bottom: 5px;
  }

  .inner-box {
    padding: 0 10px;
  }

  .tool-list-item {
    width: calc(50% - 5px);
  }

  .overview-p-1 {
    font-size: 18px;
    margin: 0 auto 20px;
  }

  .footer-p1 {
    font-size: 14px;
    padding: 10px 0;
  }

  .back-to-top {
    display: none;
  }

  .normal-link {
    color: #333;
    text-decoration: none;
  }

  .header-outer {
    position: sticky;
    top: -1px;
    left: 0;
    background-color: #fff;
    z-index: 4;
  }
}