body {
  font-family: "Noto Serif JP", serif;
}

h1 {
  font-size: 40px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 24px;
  text-align: center;
}

p {
  font-size: 16px;
  line-height: 200%;
}

.sp {
  display: none;
}

a:hover {
  opacity: 0.5s;
}

.container {
  /* max-width: 1140px; */
  padding: 0 20px;
  margin-inline: auto;
}

.ja {
  font-size: 14px;
  margin-bottom: 10px;
}

.en {
  font-size: 18px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid black;
  padding: 0 60px;
  height: 120px;
  position: fixed;
  width: 100%;
  background-color: white;
  z-index: 1000;
  top: 0;
  left: 0;
}

.header__hamburger {
  display: none;
}

header nav {
  width: auto;
  align-items: center;
  /* position: fixed; */
}

header nav ul {
  display: flex;
  /* right: 60px; */
  top: 0;
  /* height: 120px; */
  align-items: center;
  gap: 40px;
  /* z-index: 10000; */
  /* background-color: white; */
}

/* main {
  padding-top: 120px;
} */

.kv h1 {
  position: absolute;
  z-index: 10;
  top: 50%;
  left: 50%;
  color: white;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 100%;
  text-shadow: 0px 2px 2px black;
}

.kv {
  /* position: fixed; */
  height: 49vw;
  width: 100%;
  position: relative;
  overflow: hidden;
  /* top: 120px; */
  margin-bottom: 100px;
  /* margin-top: 120px; */
}

.img {
  position: absolute;
  background-repeat: no-repeat;
  background-size: cover;
  animation: image-switch-animation 15s linear infinite;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  background-position: center center;
}

.src1 {
  background-image: url(../img/kv.png);
}

.src2 {
  background-image: url(../img/kv2.png);
}

.src3 {
  background-image: url(../img/kv3.png);
}

@keyframes image-switch-animation {
  0% {
    opacity: 0;
  }

  15% {
    opacity: 1;
    transform: scale(1);
  }

  30% {
    opacity: 1;
  }

  45% {
    opacity: 0;
  }

  100% {
    opacity: 0;
    transform: scale(1.5);
  }
}

.img:nth-of-type(1) {
  animation-delay: 0s;
}

.img:nth-of-type(2) {
  animation-delay: 5s;
}

.img:nth-of-type(3) {
  animation-delay: 10s;
}

.about-sec>p {
  text-align: center;
  margin-bottom: 60px;
}

.btn {
  width: 500px;
  height: 100px;
  background-color: #3caa00;
  color: white;
  text-align: center;
  padding: 0 0 0 70px;
  display: flex;
  /* position: relative; */
  align-items: center;
  /* margin-bottom: 100px; */
  box-shadow: 0 5px 0px 0px green;
}

.btn:hover {
  opacity: 1;
  box-shadow: none;
  transition: 0.5s;
}

.trial-btn {
  width: 100%;
  height: 100%;
  text-align: center;
  display: flex;
  justify-content: center;
}

.about-sec .trial-btn {
  margin-bottom: 100px;
}

/* .about div{
    align-items: center;
} */
.circle {
  /* display: inline-block; */
  border-radius: 50%;
  background-color: yellow;
  width: 80px;
  height: 80px;
  color: black;
  text-align: center;
  /* line-height: 80px; */
  font-size: 18px;
  font-weight: bold;
  margin-right: 40px;
  /* position: absolute; */
  display: flex;
}

.circle>div {
  width: 100%;
  height: 100%;
  padding: 18px;
}

.Trial {
  font-size: 24px;
  font-weight: bold;
}

.about-sec h2 {
  text-align: center;
  padding-bottom: 40px;
  margin-bottom: 40px;
  position: relative;
}

.about-sec h2::after {
  content: "";
  width: 60px;
  height: 4px;
  background-color: #3caa00;
  /* padding-bottom: 40px; */
  /* margin-bottom: 40px; */
  display: block;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
}

.about-sec {
  margin-bottom: 100px;
}

ol {
  list-style: auto;
  display: flex;
  justify-content: space-between;
  list-style-position: inside;
  text-align: center;
}

ol h3 {
  margin-bottom: 40px;
  background: linear-gradient(transparent 50%, yellow 50%);
  display: inline-block;
}

ol div {
  width: 32%;
}

ol p {
  text-align: initial;
}

.Trial-sec {
  background-color: #e8ffd9;
  padding: 100px 20px;
}

.Trial-sec p{
  font-size: 18px;
  margin-bottom: 30px;
  margin-inline: auto;
  text-align: center;
}

.Trial-ttl {
  text-align: center;
  font-size: 35px;
  font-weight: bold;
  margin-bottom: 40px;
}

.Trial-sec ul {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 60px;
}

.Trial-sec ul li {
  margin-bottom: 10px;
}

.Trial-sec ul p {
  margin-bottom: 10px;
}
.trial1,.trial2{
  width: 100%;
}
.trial1 img,.trial2 img{
  width: 100%;
}
.Trial-ttl nav{
  justify-content: center;
}
.QA-sec {
  padding: 100px 0;
  text-align: center;
}

.QA-sec h2 {
  text-align: center;
  padding-bottom: 40px;
  margin-bottom: 40px;
  position: relative;
}

.QA-sec h2::after {
  content: "";
  width: 60px;
  height: 4px;
  background-color: #3caa00;
  /* padding-bottom: 40px; */
  /* margin-bottom: 40px; */
  display: block;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
}

.qa {
  width: 703px;
  margin-inline: auto;
}

.q,
.a {
  display: flex;
  /* text-align: center; */
  align-items: center;
  width: 703px;
  padding: 0 20px;
}

strong {
  font-size: 20px;

}

.q p {
  font-size: 20px;
  font-weight: bold;
  padding: 15px 49px 15px 0;
  margin-left: 20px;
}

.a p {
  font-size: 16px;
  padding-top: 5px;
  /* margin-bottom: 15px; */
  margin-left: 20px;
  line-height: 140%;
}

.QA:not(:last-of-type) {
  margin-bottom: 20px;
}

.QA {
  background-color: #E8FFD9;
  border: solid 1px #E0E0E0;
  width: 703px;
}

.q {
  cursor: pointer;
}

.q img {
  width: 21px;
}

.active {
  transform: rotate(180deg);
  transition: .5s;
}

.arrow {
  transition: .5s;
}

div .a {
  margin-bottom: 15px;
  width: 100%;
}

footer {
  width: 100%;
  height: 80px;
  border-top: solid 1px #707070;
  text-align: center;
  line-height: 80px;
}

.a {
  display: none;
  /* transition: .5s; */
  /* display: flex; */
}

.a-open {
  display: block;
}
.a div{
  display: flex;
}

.a strong {
  padding-top: 5px;
}

#About::before,
#Trial-ttl::before,
#QA::before {
  content: "";
  display: block;
  height: 220px;
  margin-top: -220px;
  visibility: hidden;
}


@media screen and (max-width:750px) {

  .sp {
    display: block;
  }

  header nav ul {
    display: block;
    /* top: 120px; */
    /* right: -100%; */
    /* position: absolute; */
    margin-inline: auto;
    justify-content: center;
    padding: 40px 0;
    /* gap: 40px; */
  }

  .header {
    justify-content: center;
    background-color: #FFFFFFE5;
  }

  header {
    padding: 0 20px;
  }

  header nav {
    width: 100%;
    /* display: block; */
    top: 120px;
    left: 0;
    position: fixed;
    background-color: #FFFFFFE5;
    gap: 40px;
  }

  header nav li {
    text-align: center;

  }

  .ja {
    font-size: 16px;
    font-weight: bold;
  }

  .en {
    font-weight: bold;
  }

  /* .hamburger-menu { */
  /* display: none; */
  /* } */

  /* .open {
    display: block;
    transition: opacity 1s ease;
  } */

  .menu-li:not(:last-of-type) {
    margin-bottom: 40px;

  }


  /* ハンバーガーメニュー */

  .header__hamburger {
    width: 46px;
    height: 35px;
    display: block;
  }

  .hamburger {
    background-color: transparent;
    border-color: transparent;
    z-index: 9999;
    position: fixed;
    right: 20px;
  }

  .h-active {
    /* transform: rotate(180deg); */
    transition: .5s;
  }


  /* ハンバーガーメニューの線 */
  .hamburger span {
    width: 100%;
    height: 1px;
    background-color: #000;
    position: relative;
    transition: ease .5s;
    display: block;
  }

  .hamburger span:nth-child(1) {
    top: 0;
  }

  .hamburger span:nth-child(2) {
    margin: 17px 0;
  }

  .hamburger span:nth-child(3) {
    top: 0;
  }


  /* ハンバーガーメニュークリック後のスタイル */
  .header__nav.h-active {
    transform: translateX(0);
  }

  .hamburger.h-active span:nth-child(1) {
    top: 17px;
    transform: rotate(45deg);
  }

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

  }

  .hamburger.h-active span:nth-child(3) {
    top: -19px;
    transform: rotate(-45deg);
  }

  .nav {
    /* pointer-events: none; */
    opacity: 0;
    transition: .5s ease;
    visibility: hidden;
  }

  .nav.is-active {
    /* pointer-events: auto; */
    opacity: 1;
    visibility: visible;
  }

  .src1 {
    background-image: url(../img/kv-sp.png);
  }

  .src2 {
    background-image: url(../img/kv-sp2.png);
  }

  .src3 {
    background-image: url(../img/kv-sp3.png);
  }

  .img {
    height: 100vh;
    width: 100vw;
  }

  .kv {
    height: 100vh;
    margin-bottom: 60px;
  }

  .kv h1 {
    line-height: 60px;
    font-size: 30px;
    font-weight: bold;
  }

  .about-sec>p {
    text-align: center;
    margin-bottom: 55px;
  }

  .circle {
    width: 65px;
    height: 65px;
  }

  .circle div {
    font-size: 16px;
    padding: 13px;
  }

  .btn {
    padding: 0 10%;
    gap: 0 6%;
    /* padding-left: initial; */
    /* width: auto; */
  }

  .circle {
    margin-right: initial;
  }

  /* .about-sec .trial-btn {
    margin-bottom: 80px;
  } */

  ol {
    display: initial;
    text-align: center;
  }
  ol div{
    text-align: center;
    width: 100%;
  }

  .reason div:not(:last-child) {
    margin-bottom: 60px;
  }
  .about-sec{
    margin-bottom: 80px;
  }
  .Trial-sec{
    padding-top: 80px ;
    padding-bottom: 80px;
    padding-inline: 20px;
  }
  .Trial-sec ul{
    display: initial;
  }
  .Trial-sec img{
    width: 100%;
  }
  .trial1{
    margin-bottom: 40px;
  }
  .trial2{
    margin-bottom: 60px;
  }
  .q p{
    font-size: 16px;
    padding: 20px 0;
    width: 91%;
  }
  div .QA{
    width: 100%;
  }
  .q{
    width: 100%;
  }
  .arrow{
    right: 20px;
  }
  .QA-sec{
    text-align: initial;
    padding: 80px 20px;
  }
  .qa{
    width: 100%;
  }

#Trial-ttl::before,
#QA::before {
  content: "";
  display: block;
  height: 200px;
  margin-top: -200px;
  visibility: hidden;
}
#About::before{
  content: "";
  display: block;
  height: 180px;
  margin-top: -180px;
  visibility: hidden;
}
}