@media screen and (max-width: 425px) {
  .is-pc {
    display: none !important;
  }
}
@media screen and (min-width: 426px) {
  .is-sp {
    display: none !important;
  }
}
*,
*::before,
*::after {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

html,
body {
  padding: 0;
  margin: 0;
  color: #333333;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: normal;
  color: #333333;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

p {
  line-height: 1.5;
}

img {
  vertical-align: middle;
  max-width: 100%;
  width: 100%;
  height: auto;
  line-height: 1;
}

ul,
ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

body,
h1,
h2,
h3,
h4,
p,
ul,
ol {
  margin: 0;
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}

/*========================
common
========================*/
.pc-bg {
  background: #e0ebf6;
  position: fixed;
  width: 100%;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}

.main-area {
  background: white;
  width: 100%;
  max-width: 429px;
  margin: 0 auto;
  position: relative;
}
@media screen and (max-width: 425px) {
  .main-area {
    max-width: none;
  }
}

.inner {
  max-width: 429px;
  padding: 0 16px;
  margin: 0 auto;
  -webkit-box-sizing: content-box;
          box-sizing: content-box;
}

.center {
  text-align: center;
}

.small {
  font-size: 14px;
  font-weight: 400;
}
@media screen and (max-width: 425px) {
  .small {
    font-size: 13px;
  }
}

.cta {
  padding: 32px 20px;
  text-align: center;
  background: white;
}
.btn-text {
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 7px;
}

.btn {
  border-radius: 100px;
  color: white;
  background: #00BE4C;
  display: block;
  width: 100%;
  max-width: 325px;
  position: relative;
  margin: 0 auto;
  font-size: 18px;
  font-weight: 700;
  padding: 16px 0;
  padding-left: 14px;
  -webkit-box-shadow: 0px 7px 0px 0px #1D77BA;
          box-shadow: 0px 7px 0px 0px #1D77BA;
  position: relative;
}
@media screen and (max-width: 425px) {
  .btn {
    margin-right: auto;
  }
}
.btn::after {
  content: "";
  background: url(../img/arrow.png) no-repeat center center/contain;
  position: absolute;
  width: 17px;
  height: 17px;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  right: 20px;
}
.btn::before {
  content: "";
  background: url(../img/free.png) no-repeat center center/contain;
  position: absolute;
  width: 38px;
  height: 38px;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  left: 38px;
}
@media screen and (max-width: 425px) {
  .btn::before {
    left: 28px;
  }
}
.btn:hover {
  -webkit-transform: translateY(4px);
          transform: translateY(4px);
  -webkit-box-shadow: 0px 0px 0px 0px #1D77BA;
          box-shadow: 0px 0px 0px 0px #1D77BA;
}

.section {
  padding: 48px 0;
  position: relative;
  z-index: 0;
}

.section-bg {
  background: #EDF5FF;
}

.sec-title {
  text-align: center;
  margin-bottom: 32px;
}
.sec-title span {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 1.2px;
  display: inline-block;
  padding-bottom: 3px;
  position: relative;
  background: linear-gradient(96deg, #6BC6EB 0%, #5779D8 50.5%, #AA4FD5 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sec-title span::before, .sec-title span::after {
  content: "";
  height: 1px;
  width: 100%;
  background: linear-gradient(96deg, #6BC6EB 0%, #5779D8 50.5%, #AA4FD5 100%);
  position: absolute;
  left: 0;
}
.sec-title span::before {
  top: 0;
}
.sec-title span::after {
  bottom: 0;
}

/*========================
header
========================*/
.header-area {
  width: 100%;
  max-width: 429px;
  margin: 0 auto;
  position: fixed;
  z-index: 999;
}
@media screen and (max-width: 425px) {
  .header-area {
    max-width: none;
  }
}

.header {
  padding: 10px 16px;
  position: relative;
  z-index: 999;
}
.header .logo {
  max-width: 76px;
}

.overlay {
  background: rgba(0, 0, 0, 0.37);
  position: absolute;
  z-index: 800;
  width: 100%;
  height: 100vh;
  top: 0;
  left: 0;
  display: none;
}

.hamburger-menu {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 60px;
  height: 60px;
  background-color: #ED7255;
  border: 1px solid #ED7255;
  border-radius: 50%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  cursor: pointer;
  z-index: 1000;
}

.hamburger-menu span {
  display: block;
  width: 30px;
  height: 5px;
  background-color: white;
  margin: 2.5px 0;
  -webkit-transition: 0.3s;
  transition: 0.3s;
  border-radius: 40px;
}

.drawer {
  position: absolute;
  top: 0;
  right: 0;
  width: 290px;
  background: white;
  -webkit-transition: 0.3s;
  transition: 0.3s;
  z-index: 980;
  visibility: hidden;
  opacity: 0;
  border-top: 1px solid #D9D9D9;
  padding: 24px 16px;
}
.drawer li {
  padding: 10px 0;
}
.drawer a {
  font-size: 18px;
  padding-left: 13px;
  font-weight: bold;
  border-left: 5px solid #ED7255;
}
.drawer a:hover {
  color: #ED7255;
}

.hamburger-menu.active {
  background: white;
}
.hamburger-menu.active span {
  background: #ED7255;
}

.hamburger-menu.active span:nth-child(1) {
  -webkit-transform: rotate(45deg) translate(7px, 7px);
          transform: rotate(45deg) translate(7px, 7px);
}

.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
  -webkit-transform: rotate(-45deg) translate(7px, -7px);
          transform: rotate(-45deg) translate(7px, -7px);
}

.drawer.open {
  visibility: visible;
  opacity: 1;
}

/*========================
mv
========================*/
/*========================
intro
========================*/
.intro {
  padding-bottom: 65px;
}

.intro__box {
  background: #FBF7E1;
  padding: 24px;
  color: #414955;
}
@media screen and (max-width: 425px) {
  .intro__box {
    padding: 24px 16px;
  }
}
.intro__box h2 {
  text-align: center;
  margin-bottom: 16px;
  font-size: 24px;
}
@media screen and (max-width: 425px) {
  .intro__box h2 {
    font-size: 22px;
  }
}
.intro__box h3 {
  max-width: 307px;
  margin: 0 auto;
}
.intro__box ul {
  padding-left: 1.5em;
}
.intro__box ul li {
  list-style-type: disc;
  font-size: 20px;
  font-weight: bold;
  line-height: 1.8;
}
@media screen and (max-width: 425px) {
  .intro__box ul li {
    font-size: 18px;
  }
}
.intro__box .img {
  margin-top: 20px;
  margin-bottom: -100px;
}

/*========================
problem
========================*/
.problem {
  padding-top: 30px;
}
.problem .balloon {
  max-width: 39px;
  display: inline-block;
  margin-top: -10px;
}
.problem h2 {
  text-align: center;
  font-size: 30px;
  line-height: 1.3;
  color: #414955;
  margin-bottom: 22px;
}
.problem .blue {
  color: #378CCB;
}
.problem .orange {
  color: #F5AB37;
}
.problem .img {
  margin-bottom: 24px;
}
.problem .box {
  background: #E1F0FB;
  border-radius: 65.5px;
  position: relative;
  padding: 26px;
  padding-left: 40px;
}
@media screen and (max-width: 425px) {
  .problem .box {
    padding-left: 25px;
  }
}
.problem .box h3 {
  text-align: center;
  font-size: 19px;
  line-height: 1;
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  top: -7px;
}
.problem .box li {
  font-weight: bold;
  line-height: 2;
}
.problem .img2 {
  max-width: 296px;
  margin: 24px auto 0;
}

/*========================
about
========================*/
.about {
  background: #EDF5FF;
  padding: 32px 0;
}
.about h2 {
  text-align: center;
  color: #59606B;
  font-size: 34px;
  margin-bottom: 16px;
}
.about .box {
  text-align: center;
  border-radius: 10px;
  background: #3A94D3;
  color: white;
  font-size: 23px;
  font-weight: bold;
  padding: 16px;
  position: relative;
  max-width: 332px;
  margin: 0 auto;
}
.about .box::before {
  content: "";
  background: url(../img/free2.png) no-repeat center center/contain;
  position: absolute;
  width: 65px;
  height: 65px;
  top: -24px;
  right: -24px;
}
@media screen and (max-width: 425px) {
  .about .box::before {
    right: -20px;
  }
}
.about .about__list {
  max-width: 370px;
  margin: 16px auto 0;
}
.about .item {
  padding: 15px 0;
}
.about .item:not(:first-child) {
  border-top: 1px solid #3A94D3;
}
.about .item .img {
  margin-top: 8px;
}
.about ol {
  margin-top: 10px;
}
.about ol li {
  color: #ED7255;
  font-size: 17px;
  line-height: 2;
  font-weight: bold;
}
@media screen and (max-width: 425px) {
  .about ol li {
    font-size: 16px;
  }
}

/*========================
lesson
========================*/
.lesson {
  padding: 34px 0 0;
}
.lesson h2 {
  color: #59606B;
  font-size: 30px;
  text-align: center;
}
.lesson h2 span {
  color: #ED7255;
}
.lesson h2 span.c2 {
  color: #F7C069;
}
.lesson .box {
  border-radius: 10px;
  background: #ED7255;
  text-align: center;
  color: white;
  font-size: 22px;
  font-weight: bold;
  line-height: 1.4;
  padding: 17px;
  margin: 29px auto 10px;
  max-width: 332px;
}
.lesson .item {
  border-bottom: 1px solid #3A94D3;
  max-width: 360px;
  margin: 0 auto;
  padding: 16px 0;
}
.lesson .message {
  text-align: center;
  color: #59606B;
  font-size: 23px;
  font-weight: 500;
  margin: 16px auto 30px;
}

/*========================
faq
========================*/
.faq {
  padding: 24px 0 40px;
}
.faq .items {
  padding: 0 7px;
}
.faq .item:not(:first-child) {
  margin-top: 32px;
}
.faq .head {
  background: #EFFAFD;
  padding: 4px 16px;
  color: #0C6BB0;
  font-weight: 500;
  margin-bottom: 8px;
}
.faq p {
  padding: 0 15px;
  font-weight: 500;
  line-height: 1.8;
}

/*========================
bottom
========================*/
.bottom {
  background: #378CCB;
  padding: 62px 0 40px;
  text-align: center;
}
.bottom .img {
  max-width: 335px;
  margin: 0 auto 32px;
}

/*========================
footer
========================*/
.footer {
  text-align: center;
  background: #378CCB;
  color: white;
  font-size: 13px;
  font-weight: 400;
  padding: 9px 0 10px;
  border-top: 1px solid white;
}
@media screen and (max-width: 425px) {
  .footer {
    padding-bottom: 68px;
  }
}

.fixed {
  display: none;
  position: fixed;
  width: 100%;
  bottom: 0;
  left: 0;
  z-index: 500;
  text-align: center;
  padding: 6px 0 4px;
  background: #378CCB;
}
.fixed .btn {
  padding: 8px 0 10px;
  padding-right: 0px;
  padding-left: 10px;
  margin: 6px auto;
  max-width: 309px;
}
.fixed .btn::before {
  width: 58px;
  height: 58px;
  left: -8px;
}