@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap");
html {
  font-family: "Helvetica Neue", "Noto Sans JP", Futura, Trebuchet MS, Arial, sans-serif;
  scroll-behavior: smooth;
}

body {
  font-size: 16px;
  font-weight: 400;
  font-family: "Helvetica Neue", "Noto Sans JP", Futura, Trebuchet MS, Arial, sans-serif;
  line-height: 1.7;
  letter-spacing: 0.05rem;
  min-height: 100%;
  min-width: 100%;
  height: 100%;
  overflow-x: hidden;
  margin: 0px;
  padding: 0px;
}
@media (min-width: 768px) {
  body {
    font-size: 18px;
  }
}

main {
  margin-top: 0;
}

p {
  line-height: 1.6;
}

.container-wrap {
  max-width: 1140px;
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
}
.container-wrap.full {
  max-width: 100%;
  padding: 0 16px;
}
@media (min-width: 768px) {
  .container-wrap.full {
    padding: 0 48px;
  }
}

.btn {
  display: inline-block;
  text-align: center;
  width: 100%;
  min-width: 280px;
  max-width: 280px;
  padding: 10px;
  border-radius: 100px;
}
@media (min-width: 768px) {
  .btn {
    min-width: 320px;
    max-width: 320px;
    padding: 16px;
  }
}
@media (min-width: 768px) {
  .btn.btn-header {
    min-width: 180px;
    max-width: 180px;
  }
}

.font-helvetica {
  font-family: "Helvetica Neue", sans-serif;
}

.marker {
  background: linear-gradient(transparent 60%, #FFDC84 60%);
}

/*------------------
 setting
------------------*/
.section-wrap {
  position: relative;
  padding: 64px 0;
  z-index: 0;
}
@media (min-width: 768px) {
  .section-wrap {
    padding: 100px 0;
  }
}

a {
  transition: all 0.2s ease-in;
}
a:hover, a:focus, a:hover img, a:focus img {
  opacity: 0.8;
  transition: all ease 0.25;
}

.section-ttl {
  color: #FCB606;
  position: relative;
  margin-bottom: 16px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.3;
  text-align: center;
  letter-spacing: 0.05rem;
}
@media (min-width: 768px) {
  .section-ttl {
    font-size: 20px;
    margin-bottom: 40px;
  }
}
.section-ttl::before {
  font-size: 64px;
  position: absolute;
  top: -32px;
  left: 0;
  width: 100%;
  height: 100%;
  color: #FFFAEE;
  text-transform: uppercase;
  z-index: -1;
}
@media (min-width: 768px) {
  .section-ttl::before {
    font-size: 120px;
    top: -64px;
  }
}
.section-ttl.problem::before {
  content: "problem";
}
.section-ttl.attention::before {
  content: "problem";
}
.section-ttl.flow::before {
  content: "flow";
  color: rgba(255, 227, 158, 0.2);
}
.section-ttl.price::before {
  content: "price";
}
.section-ttl.contact::before {
  content: "contact";
  color: rgba(255, 227, 158, 0.2);
}

.title-txt {
  font-size: 6vw;
  margin-bottom: 20px;
  line-height: 1.5;
  font-weight: 800;
  text-align: center;
}
@media (min-width: 768px) {
  .title-txt {
    font-size: 32px;
    margin-bottom: 32px;
  }
}

/*------------------
 header
------------------*/
.header {
  background-color: #fff;
  padding: 12px 0;
  transition: padding 0.2s ease, background-color 0.3s ease;
}
.header.fixed-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 10px 0;
  background-color: rgba(255, 255, 255, 0.95);
  z-index: 9999;
}
.header .header-logo img {
  height: 32px;
  width: 100%;
  transition: transform 0.3s ease, height 0.3s ease;
  transform-origin: top left;
}
@media (min-width: 768px) {
  .header .header-logo img {
    height: 40px;
  }
}
.header .menu-logo {
  display: none;
}

@media (max-width: 767.98px) {
  .header .menu {
    display: none;
  }
  .header .menu .container-wrap.full {
    padding: 0;
  }
  .header .menu.active {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    width: auto;
    height: 100vh;
    padding: 8px 16px;
    display: block;
    background-color: rgba(255, 255, 255, 0.95);
    z-index: 999;
    transition: all 0.3s ease;
    overflow-y: scroll;
  }
  .header .menu.active .menu-logo {
    display: block;
  }
  .header .menu.active ul {
    height: 100%;
  }
  .header .menu.active ul li {
    width: 100%;
  }
  .header .menu.active ul li a {
    display: block;
  }
  .hamburger {
    position: relative;
    width: 48px;
    height: 48px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    background-color: #FCB606;
    border-radius: 100px;
  }
  .hamburger span {
    display: inline-block;
    text-align: center;
    font-size: 10px;
    line-height: 1;
    margin-top: 6px;
  }
  .line {
    position: relative;
    width: 100%;
    height: 1px;
    background-color: #fff;
    transition: all 0.3s ease;
  }
  .line:nth-child(2), .line:nth-child(3) {
    margin-top: 8px;
  }
  .hamburger.clicked .line:nth-child(1) {
    width: 85%;
    transform: rotate(45deg);
    top: 3px;
    left: 2px;
  }
  .hamburger.clicked .line:nth-child(2) {
    display: none;
  }
  .hamburger.clicked .line:nth-child(3) {
    width: 85%;
    transform: rotate(-45deg);
    bottom: 6px;
    left: 2px;
  }
}
@keyframes slideIn {
  0% {
    opacity: 0;
    transform: translateX(320px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}
/*------------------
 mainkv
------------------*/
.section-mainkv {
  background-color: #F3F8FA;
  background: url(../img/mainkv_sp.png) center center/cover no-repeat;
  padding: 32px 0;
}
@media (min-width: 768px) {
  .section-mainkv {
    background: url(../img/mainkv.png) center center/cover no-repeat;
    padding: 64px 0;
  }
}
.section-mainkv .mainkv-inner__col .mainkv-num {
  font-size: 72px;
}
@media (min-width: 768px) {
  .section-mainkv .mainkv-inner__col .mainkv-num {
    font-size: 100px;
  }
}

/*------------------
 about
------------------*/
.section-about {
  padding-bottom: 0;
}
.section-about .yellow-balloon {
  position: relative;
  display: inline-block;
  background-color: #FCB606;
  color: #333;
  padding: 8px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
}
@media (min-width: 768px) {
  .section-about .yellow-balloon {
    padding: 8px 24px;
    border-radius: 12px;
    margin-bottom: 24px;
  }
}
.section-about .yellow-balloon::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid #FCB606;
}
@media (min-width: 768px) {
  .section-about .yellow-balloon::after {
    bottom: -10px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid #FCB606;
  }
}

/*------------------
 problem
------------------*/
.section-problem {
  padding-bottom: 0;
}

/*------------------
 attention
------------------*/
.section-attention .attention-wrap .attention-block + .attention-block {
  margin-top: 40px;
}
@media (min-width: 768px) {
  .section-attention .attention-wrap .attention-block {
    margin-top: 64px;
  }
}

/*------------------
 flow
------------------*/
.section-flow .flow-wrap {
  position: relative;
}
.section-flow .flow-wrap::before {
  content: "";
  position: absolute;
  left: 50px;
  top: 8px;
  width: 1px;
  height: calc(100% - 100px);
  background-color: #C8C8C8;
}
@media (min-width: 768px) {
  .section-flow .flow-wrap::before {
    width: 2px;
    left: 78px;
    height: calc(100% - 156px);
  }
}
.section-flow .flow-wrap .flow-block {
  display: flex;
  position: relative;
}
.section-flow .flow-wrap .flow-block + .flow-block {
  margin-top: 40px;
}
@media (min-width: 768px) {
  .section-flow .flow-wrap .flow-block {
    align-items: center;
    margin-top: 64px;
  }
}
.section-flow .flow-wrap .flow-block__icon {
  position: relative;
  width: 100px;
  flex-shrink: 0;
}
@media (min-width: 768px) {
  .section-flow .flow-wrap .flow-block__icon {
    width: 156px;
  }
}
.section-flow .flow-wrap .flow-block__col {
  padding-left: 16px;
  width: calc(100% - 100px);
}
@media (min-width: 768px) {
  .section-flow .flow-wrap .flow-block__col {
    padding-left: 40px;
    width: calc(100% - 156px);
  }
}

/*------------------
 price
------------------*/
/*------------------
 cta
------------------*/
/*------------------
 contact
------------------*/
select {
  -webkit-appearance: auto;
  -moz-appearance: auto;
  appearance: auto;
}

/*------------------
 float button (mobile only)
------------------*/
.float-area {
  display: block;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  padding: 12px 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.9) 100%);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(100%);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}
.float-area.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
@media (min-width: 768px) {
  .float-area {
    display: none;
  }
}
.float-area .btn-float {
  width: 100%;
  max-width: 100%;
  min-width: auto;
  padding: 14px;
  font-size: 16px;
  font-weight: bold;
  background-color: #FF9000;
  color: #fff;
  border-radius: 100px;
  text-align: center;
  display: block;
  transition: all 0.3s ease;
}
.float-area .btn-float:hover, .float-area .btn-float:focus {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 144, 0, 0.3);
}