/********************************************************

setting

********************************************************/
:root {
  --margin-block: 200px;
}

@media (min-width: 1101px) and (max-width: 1280px) {
  :root {
    --margin-block: 120px;
  }
}
@media (min-width: 641px) and (max-width: 1100px) {
  :root {
    --margin-block: 90px;
  }
}
@media (max-width: 640px) {
  :root {
    --margin-block: 70px;
  }
}
.notes-area {
  display: none;
}

.page_20-30 {
  background-color: #fff !important;
  font-family: 'Noto Serif JP', serif;
}

.pc-a {
  display: block;
}

@media screen and (max-width: 767px) {
  .pc-a {
    display: none;
  }
}
.sp-a {
  display: none;
}

@media screen and (max-width: 767px) {
  .sp-a {
    display: block;
  }
}
nav:has(.menu) {
  background: #f6f8fa;
}

.btn01,
.btn02,
.btn03,
.btn04 {
  cursor: pointer;
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  color: #333333;
  padding-bottom: clamp(1.5625rem, 0.0677614796rem + 6.3775510204vw, 3.125rem);
}

.line {
  position: relative;
  background: linear-gradient(#fff 60%, #fff171 100%);
}

.banner {
  margin-top: 30px;
}

.bottom__txt {
  text-align: center;
  font-size: 13px;
  margin-top: clamp(0.9375rem, 0.0406568878rem + 3.8265306122vw, 1.875rem);
}

.bottom__txt a {
  color: inherit;
  text-decoration: none;
}

.bottom__txt img {
  display: inline-block;
  width: 72px;
  margin-left: clamp(0.625rem, 0.0271045918rem + 2.5510204082vw, 1.25rem);
}

.bottom__txt .btn_click {
  width: min(90%, 620px);
  margin: 0 auto;
  transition: filter 0.3s ease-in-out;
  filter: brightness(1);
}
.bottom__txt .btn_click:hover {
  filter: brightness(1.2);
}
.bottom__txt .btn_click img {
  width: min(90%, 620px);
}

#fv02,
#fv03,
#fv04 {
  display: none;
}

#tab02,
#tab03,
#tab04 {
  display: none;
}

.fv {
  background: #7eabdc;
  padding-top: clamp(1.5625rem, 0.0677614796rem + 6.3775510204vw, 3.125rem);
  padding-bottom: clamp(0.625rem, 0.0271045918rem + 2.5510204082vw, 1.25rem);
}

.fv__imgbox {
  display: flex;
  justify-content: center;
  margin-top: clamp(0.625rem, 0.0271045918rem + 2.5510204082vw, 1.25rem);
}

.fv__txt {
  font-size: clamp(0.875rem, 0.3966836735rem + 2.0408163265vw, 1.375rem);
  text-align: center;
  margin-top: clamp(0.625rem, 0.0271045918rem + 2.5510204082vw, 1.25rem);
}

.fv01__ttl {
  width: clamp(14.6875rem, 0.6369579082rem + 59.9489795918vw, 29.375rem);
  margin: 0 auto;
}

.fv01__img01 {
  width: clamp(10.625rem, 0.4607780612rem + 43.3673469388vw, 21.25rem);
}

.fv01__img02 {
  width: clamp(7.28125rem, 0.3157684949rem + 29.7193877551vw, 14.5625rem);
}

.fv02__ttl {
  width: clamp(14.40625rem, 0.6247608418rem + 58.8010204082vw, 28.8125rem);
  margin: 0 auto;
}

.fv02__img01 {
  width: clamp(19.71875rem, 0.8551498724rem + 80.4846938776vw, 39.4375rem);
}

.fv03__ttl {
  width: clamp(11.875rem, 0.5149872449rem + 48.4693877551vw, 23.75rem);
  margin: 0 auto;
}

.fv03__img01 {
  width: clamp(17.125rem, 0.7426658163rem + 69.8979591837vw, 34.25rem);
}

@media screen and (max-width: 767px) {
  .fv__ttl {
    width: 70%;
  }
}
.fv04__ttl {
  font-size: 22px;
  text-align: center;
  font-weight: 400;
}
@media screen and (min-width: 750px) {
  .fv04__ttl {
    font-size: calc(22px + 0.0068376068 * (100vw - 750px));
  }
}
@media screen and (min-width: 1920px) {
  .fv04__ttl {
    font-size: 30px;
  }
}
@media screen and (max-width: 767px) {
  .fv04__ttl {
    width: 90%;
  }
}

.fv04__img01 {
  width: min(90%, 640px);
}

.fv04__txt {
  font-size: 13px;
  line-height: 2.0;
  margin-top: 20px;
  padding-bottom: 30px;
}
@media screen and (min-width: 750px) {
  .fv04__txt {
    font-size: calc(13px + 0.0017094017 * (100vw - 750px));
  }
}
@media screen and (min-width: 1920px) {
  .fv04__txt {
    font-size: 15px;
  }
}
@media screen and (max-width: 767px) {
  .fv04__txt {
    width: 90%;
    margin: 20px auto 0;
    text-align: left;
  }
}

.fv__ttl {
  margin: 0 auto;
}

.menu {
  width: min(90%, 1240px);
  margin: 0 auto;
  background: #f6f8fa;
  display: flex;
  justify-content: center;
  padding: clamp(0.625rem, 0.0271045918rem + 2.5510204082vw, 1.25rem) 0;
  flex-wrap: wrap;
}
@media screen and (max-width: 767px) {
  .menu {
    gap: 10px 0;
  }
}

.menu li:first-child {
  border-left: 1px solid #6fa5e9;
}

@media screen and (max-width: 767px) {
  .menu li:nth-child(odd) {
    border-left: 1px solid #6fa5e9;
  }
}

.menu li {
  border-right: 1px solid #6fa5e9;
  padding: 0 clamp(0.625rem, -1.7665816327rem + 10.2040816327vw, 3.125rem);
  font-size: clamp(0.5rem, 0.2010522959rem + 1.2755102041vw, 0.8125rem);
  min-height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: 0.3s;
}
@media screen and (max-width: 767px) {
  .menu li {
    width: 50%;
    min-height: inherit;
  }
}

.menu li:hover {
  opacity: 0.5;
}

.tab01,
.tab02,
.tab03,
.tab04 {
  position: relative;
  z-index: 0;
}

.tab01 .sec {
  margin-top: clamp(2.5rem, 0.1084183673rem + 10.2040816327vw, 5rem);
}

.tab01 .sec__ttl01 {
  width: clamp(10.375rem, 0.4499362245rem + 42.3469387755vw, 20.75rem);
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
  .tab01 .sec__ttl01 {
    width: 60%;
  }
}
.tab01 .sec__ttl02 {
  width: clamp(18.59375rem, 0.8063616071rem + 75.8928571429vw, 37.1875rem);
  margin: 0 auto;
}

.tab01 .sec__content {
  display: flex;
  justify-content: space-between;
  margin-top: clamp(1.5625rem, 0.0677614796rem + 6.3775510204vw, 3.125rem);
  padding: 0 20px;
}

@media screen and (max-width: 767px) {
  .tab01 .sec__content {
    flex-direction: column-reverse;
    align-items: center;
  }
}
.tab01 .sec__txt h3 {
  color: #4b90ca;
  font-weight: normal;
  font-size: clamp(1.0625rem, 0.8233418367rem + 1.0204081633vw, 1.3125rem);
  line-height: 1.8;
  text-align: left !important;
}

.tab01 .sec__txt p {
  margin-top: clamp(0.625rem, 0.0271045918rem + 2.5510204082vw, 1.25rem);
  font-size: 14px;
  line-height: 2;
  text-align: justify;
}

@media screen and (max-width: 767px) {
  .tab01 .sec__txt p {
    text-align: left;
  }
}
.tab01 .sec__img {
  flex-shrink: 0;
  width: clamp(9.9375rem, 0.4309630102rem + 40.5612244898vw, 19.875rem);
  margin-left: 10px;
}

@media screen and (max-width: 767px) {
  .tab01 .sec__img {
    width: 70%;
  }
}
.tab .col2 {
  display: flex;
  justify-content: space-between;
}

.tab .col2--column {
  flex-direction: column;
}

@media screen and (max-width: 767px) {
  .tab .col2 {
    flex-direction: column;
  }
}
@media screen and (max-width: 767px) {
  .tab .col2--reverse {
    flex-direction: column-reverse;
  }
}
.tab .sec {
  padding-top: clamp(1.5625rem, 0.0677614796rem + 6.3775510204vw, 3.125rem);
}

.tab .sec__icon {
  display: block;
  width: clamp(2.1875rem, 1.0514987245rem + 4.8469387755vw, 3.375rem);
  margin: 0 auto;
  margin-bottom: clamp(0.625rem, 0.0271045918rem + 2.5510204082vw, 1.25rem);
}

.tab .sec__ttl {
  font-size: clamp(1.0625rem, 0.404815051rem + 2.806122449vw, 1.75rem);
  font-weight: normal;
  text-align: center;
  color: #4b90ca;
}

.tab .sec__container {
  margin-top: clamp(1.5625rem, 0.0677614796rem + 6.3775510204vw, 3.125rem);
  border: 1px solid #231815;
  background: #fff;
  position: relative;
  padding: 0 11%;
  padding-top: clamp(1.25rem, 0.0542091837rem + 5.1020408163vw, 2.5rem);
  padding-bottom: clamp(1.25rem, 0.0542091837rem + 5.1020408163vw, 2.5rem);
}

@media screen and (max-width: 900px) {
  .tab .sec__container {
    margin-left: 10px;
    margin-right: 10px;
    padding-left: 4%;
    padding-right: 4%;
  }
}
.tab .sec__container::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  border: 1px solid #231815;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  transform: translate(4px, 4px);
}

.tab .sec__container .sub__ttl {
  font-weight: normal;
  width: clamp(22.0625rem, 6.3035714286rem + 67.2380952381vw, 44.125rem);
  width: 100%;
  height: 110px;
  margin: 0 auto;
  font-size: clamp(0.875rem, 0.3368941327rem + 2.2959183673vw, 1.4375rem);
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

@media screen and (max-width: 900px) {
  .tab .sec__container .sub__ttl {
    flex-direction: column;
    line-height: 1.4;
  }
}
.tab .sec__container .sub__ttl--bg {
  background: url(../images/20-30/ttl-bg.png) no-repeat;
  background-size: contain;
  background-position: center;
}

@media screen and (max-width: 767px) {
  .tab .sec__container .sub__ttl--bg {
    background: url(../images/20-30/ttl-bg-sp.png) no-repeat;
    background-size: contain;
    background-position: center;
  }
}
.tab .sec__container .sub__ttl--bg02 {
  background: url(../images/20-30/ttl-bg.png) no-repeat;
  background-size: contain;
  background-position: center;
}

@media screen and (max-width: 767px) {
  .tab .sec__container .sub__ttl--bg02 {
    background: url(../images/20-30/ttl-bg02-sp.png) no-repeat;
    background-size: contain;
    background-position: center;
  }
}
.tab .sec__container .sub__ttl--bg03 {
  background: url(../images/20-30/ttl-bg.png) no-repeat;
  background-size: contain;
  background-position: center;
}

@media screen and (max-width: 400px) {
  .tab .sec__container .sub__ttl--bg03 {
    background: url(../images/20-30/ttl-bg02-sp.png) no-repeat;
    background-size: contain;
    background-position: center;
    font-size: 13px;
  }
}
.tab .sec__container .sec__txt {
  font-size: clamp(0.8125rem, 0.7527104592rem + 0.2551020408vw, 0.875rem);
  line-height: 1.8;
  margin-top: clamp(0.625rem, 0.0271045918rem + 2.5510204082vw, 1.25rem);
  text-align: left !important;
}

@media screen and (max-width: 670px) {
  .tab .sec__container .sec__txt {
    line-height: 1.5;
  }
}
.tab .sec__container .sec__img {
  flex-shrink: 0;
  margin-top: clamp(0.625rem, 0.0271045918rem + 2.5510204082vw, 1.25rem);
}

.tab .sec__container .sec__img._over img {
  max-width: 110%;
}

@media screen and (max-width: 900px) {
  .tab .sec__container .sec__img._over img {
    width: 100%;
  }
}
.tab .sec__container .sec__bottom-txt {
  font-size: clamp(0.875rem, 0.3368941327rem + 2.2959183673vw, 1.4375rem);
  text-align: center;
  line-height: 1.2;
  padding: 10px 0;
  margin-top: clamp(1.25rem, 0.0542091837rem + 5.1020408163vw, 2.5rem);
}

.tab .sec__container .sec__bottom-txt--bg {
  background: url(../images/20-30/txt-bg.png);
  background-size: cover;
  background-position: left center;
}

.tab02 ._img02 {
  width: 30%;
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
  .tab02 ._img02 {
    width: 50%;
  }
}
.tab02 ._img03 {
  width: 39%;
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
  .tab02 ._img03 {
    width: 90%;
    margin-top: 40px !important;
  }
}
.tab02 ._img04 {
  width: 55%;
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
  .tab02 ._img04 {
    width: 90%;
    margin-top: 40px !important;
  }
}
.tab03 ._img01 {
  width: 30%;
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
  .tab03 ._img01 {
    width: 50%;
  }
}
.tab03 ._logo {
  width: 47%;
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
  .tab03 ._logo {
    width: 70%;
  }
}
.tab03 ._img02 {
  width: 725px;
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
  .tab03 ._img02 {
    width: 100%;
  }
}
.tab04 {
  margin-bottom: clamp(50px, calc(50px + 4.8vw), 100px);
}

.tab04 .sec {
  padding-top: clamp(50px, calc(50px + 4.8vw), 100px);
}

.tab04 .column_text {
  text-align: center;
  font-size: 14px;
  line-height: 2.0;
}
@media screen and (min-width: 750px) {
  .tab04 .column_text {
    font-size: calc(14px + 0.0017094017 * (100vw - 750px));
  }
}
@media screen and (min-width: 1920px) {
  .tab04 .column_text {
    font-size: 16px;
  }
}
@media screen and (max-width: 767px) {
  .tab04 .column_text {
    text-align: left;
  }
}

.tab04 .column_img {
  margin: 30px auto 0;
}

.tab04 .sec01 .column_img {
  width: min(90%, 523px);
}

.tab04 .sec02 .column_img {
  width: min(90%, 460px);
}

.tab04 .sec03 .column_img {
  width: min(90%, 350px);
}