/*
	Theme Name: Insight BRAIN
	Theme URI: https://insight-br.com/
	Description: 「Insight BRAIN」のLP
	Version: 1.0.1
	Author: Open8 Inc.
	Author URI: https://open8.com
*/

html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font: inherit;
  font-size: 100%;
  vertical-align: baseline;
  letter-spacing: .06rem;
}

html {
  box-sizing: border-box;
  height: 100%;
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  height: 100%;
  background: #fff;
  margin: 12rem 0 0;
  color: #2b2b2b;
  font-family: noto sans jp,sans-serif;
  font-size: 1.4rem;
  line-height: 1.7;
}

h1 {
  margin: 0;
}

h2 {
  font-size: clamp(2rem, 3.1vw, 4rem);
  font-weight: bold;
  line-height: 1.25;
}

h3 {
  font-size: clamp(1.6rem, 2vw, 3.2rem);
  font-weight: bold;
}

p {
  font-size: clamp(1.6rem, 1.7vw, 2.4rem);
}

ul {
  font-size: clamp(1.3rem, 1.7vw, 2.2rem);
  padding-left: 0;
}

li {
  list-style-type: none;
}

img {
  max-width: 100%;
  height: auto;
}

.ib-size-huge {
  font-size: clamp(2.6rem, 3.8vw, 5.3rem);
  line-height: 1.7;
}

.ib-blue-color {
  color: #30008d;
}

.ib-red-color {
  color: #e60000;
}

.site-header {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 999;
  width: 100%;
  background-color: #fff;
  box-shadow: 0 0.3rem 0.36rem 0 rgb(6 0 1 / 13%);
}

.header {
  position: relative;
  margin: 0 auto;
  padding: 0 2rem;
  max-width: 176rem;
  height: 12rem;
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.header__container .ib-button {
  padding: 0;
}

.site-content {
  overflow-x: hidden;
}

.container {
  position: relative;
}

.hero {
  position: relative;
  padding: 6rem 0;
  background-image: url(./images/background.png);
  background-image: url(./images/background.webp);
}

.hero__container {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
  max-width: 176rem;
  margin: 0 auto;
}

.hero__left {
  flex-basis: 70%;
  padding: 7rem 0 7rem 2rem;
  font-size: clamp(2.2rem, 3.6vw, 4.8rem);
}

.hero__medal {
  position: absolute;
  width: clamp(6rem, 10vw, 14rem);
  top: 0;
  left: 2rem;
}

.hero__heading {
  margin-bottom: 3rem;
  text-align: center;
  font-size: clamp(2rem, 4vw, 4rem);
}

.hero__desc {
  margin-bottom: 8rem;
  font-weight: bold;
  text-align: center;
  font-size: clamp(1.3rem, 3.4vw, 2.4rem);
  letter-spacing: 0;
}

.hero__right {
  position: absolute;
  width: 85%;
  max-width: 100rem;
  left: 70%;
  top: 0;
  bottom: 0;
  margin: auto;
}

.hero__right img {
  max-height: 100%;
  width: auto;
}

.client {
  padding: 0 2rem;
  margin: 6rem 0 3rem;
}

.client__container {
  max-width: 160rem;
  margin: 0 auto;
}

.client__heading {
  text-align: center;
  margin-bottom: 2rem;
}

.client__gallery {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
}

.client__item {
  width: calc(100% / 4);
}

.problem {
  position: relative;
  background: #f4f4f4;
  width: 100%;
  padding-bottom: 13rem;
}

.problem::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50%;
  height: 5vw;
  max-height: 10rem;
  background: linear-gradient(to bottom left, transparent 50% , white 50%);
}

.problem::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 50%;
  height: 5vw;
  max-height: 10rem;
  background: linear-gradient(to bottom right, transparent 50% , white 50%);
}

.problem__heading {
  padding: 4rem 2rem;
  color: #fff;
  background: #883d93;
  text-align: center;
  font-size: clamp(1.8rem, 2.2vw, 3.2rem);
}

.problem__list-box {
  display: flex;
}

.problem__list {
  display: inline-block;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.problem__list li {
  position: relative;
  padding-left: 4rem;
  margin-bottom: 2rem;
}

.problem__list li::before {
  content: "";
  position: absolute;
  display: block;
  width: 20px;
  height: 20px;
  top: 50%;
  margin-top: -11px;
  left: 0;
  border: 1px solid #cecece;
  background: #fff;
}

.problem__list li::after {
  content: "";
  position: absolute;
  display: block;
  box-sizing: border-box;
  width: 20px;
  height: 10px;
  left: 5px;
  top: 50%;
  margin-top: -8px;
  transform: rotate(-45deg);
  border-bottom: 4px solid;
  border-left: 4px solid;
  border-color: #9c1ffb;
  z-index: 2;
}

.probrem__btn {
  position: relative;
  z-index: 3;
}

.solution {
  max-width: 144rem;
  margin: 0 auto;
  padding: 0 2rem;
}

.solution__heading {
  padding: 13rem 0;
  text-align: center;
  color: #000;
}

.solution__heading-logo {
  height: clamp(2.8rem, 4.2vw, 6rem);
  margin-right: 1.5rem;
  vertical-align: sub;
}

.solution__column {
  display: flex;
  position: relative;
  align-items: center;
  height: calc((100vw - 4rem) * .7 * .6);
  max-height: calc(144rem * .7 * .6);
  margin-bottom: 10rem;
}

.solution__column:last-child {
  margin-bottom: 14rem;
}

.solution__column:nth-child(odd) {
  flex-direction: row-reverse;
}

.solution__text-box {
  position: relative;
  flex-basis: 70%;
  height: 100%;
  background: #f4f4f4;
}

.solution__text {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 53%;
  margin-top: 4rem;
  padding: 2rem 6rem;
}

.solution__column:nth-child(even) .solution__text {
  margin-left: 0;
}

.solution__column:nth-child(odd) .solution__text {
  margin-right: 0;
  margin-left: auto;
}

.solution__text h3,
.solution__text p {
  margin-bottom: 2rem;
}

.solution__text p {
  font-size: clamp(1.3rem, 1.7vw, 2rem);
}

.solution__image {
  position: absolute;
  width: 55%;
  z-index: 2;
}

.solution__column:nth-child(even) .solution__image {
  right: 0;
}

.solution__column:nth-child(odd) .solution__image {
  left: 0;
}

.sns {
  width: 76%;
  max-width: 80rem;
  margin: 10rem auto;
  text-align: center;
}

.sns__heading {
  position: relative;
  display: inline-block;
  padding: 1rem 4rem;
  color: #33008e;
  font-weight: bold;
  font-size: clamp(2rem, 3.1vw, 4rem);
  background: #b5daff;
  z-index: 2;
}

.sns__container {
  display: flex;
  flex-wrap: nowrap;
  gap: 4rem;
  padding: 6rem;
  height: 9vw;
  max-height: 10rem;
  justify-content: center;
  border: 1rem solid #b5daff;
  margin: 0 auto;
  position: relative;
  top: clamp(-4.6rem, -2.7vw - 1.1rem, -3rem);
  z-index: 1;
}

.sns__icon {
  display: flex;
  justify-content: center;
}

.sns__icon.youtube img {
  width: 85%;
}

.faq {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: url(./images/background.png) center top/cover no-repeat;
}

.faq::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50%;
  height: 5vw;
  max-height: 10rem;
  background: linear-gradient(to bottom left, transparent 50% , white 50%);
}

.faq::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 50%;
  height: 5vw;
  max-height: 10rem;
  background: linear-gradient(to bottom right, transparent 50% , white 50%);
}

.faq__container {
  max-width: 144rem;
  margin: 0 auto;
  padding: 8rem 2rem 15rem;
}

.faq__heading {
  position: relative;
  color: #000;
  text-align: center;
  text-decoration: underline #4e339a;
  text-underline-offset: 5px;
}

.faq__list {
  position: relative;
  margin: 6rem auto 0;
}

.faq__item {
  background: #fff;
  margin-bottom: 4rem;
  padding: 4rem 8rem;
}

.faq__box dt,
.faq__box dd{
  position: relative;
  margin-bottom: 2rem;
  padding-left: 6rem;
}

.faq__box dt::before {
  position: absolute;
  display: inline-table;
  content: "Q";
  color: #fff;
  background: #883d93;
  font-size: 2rem;
  font-weight: bold;
  padding: 3px 12px;
  top: 0;
  bottom: 0;
  left: 0;
  margin: auto;
}

.faq__box dd::before {
  position: absolute;
  display: inline-table;
  content: "A";
  color: #fff;
  background: #d55b5b;
  font-size: 2rem;
  font-weight: bold;
  padding: 3px 13px;
  top: 0;
  bottom: 0;
  left: 0;
  margin: auto;
}

.contact {
  max-width: 144rem;
  margin: 0 auto;
  padding: 0 0 8rem;
  text-align: center;
}

.contact__heading {
  padding: 8rem 2rem;
}

.contact__desc {
  font-size: 3rem;
  font-weight: bold;
}

.contact__btn {
  margin-top: 4rem;
}

.form {
  background: radial-gradient(farthest-side circle at right top, #93509d, #883d93);
  text-align: center;
  color: #fff;
}

.form__container {
  max-width: 69rem;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.form__heading {
  margin-bottom: 3rem;
}

.form__description {
  font-size: clamp(1.3rem, 1.7vw, 1.6rem);
  margin-bottom: 3rem;
}

.form form {
  margin: 0 auto;
}

.form form#mktoForm_1638 span,
.form form#mktoForm_1638 label,
.form form#mktoForm_1638 a {
  color: #fff !important;
}

.header__container.document-header {
  justify-content: center;
}

.document {
  padding: 6rem 2rem;
}

.document__container {
  max-width: 120rem;
  margin: 0 auto;
}

.document__heading {
  font-size: 2.6rem;
  font-weight: bold;
  margin: 0 auto 6rem;
  text-align: center;
}

.document__column {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.document__column-left {
  width: 50%;
}

.document__column-left ul,
.document__column-left p {
  font-size: 1.6rem;
}

.document__column-left li {
  position: relative;
  padding-left: 4rem;
  margin-bottom: 1rem;
}

.document__column-left li::before {
  content: "";
  position: absolute;
  display: block;
  width: 20px;
  height: 20px;
  top: 50%;
  margin-top: -11px;
  left: 0;
  border: 1px solid #cecece;
  background: #fff;
}

.document__column-left li::after {
  content: "";
  position: absolute;
  display: block;
  box-sizing: border-box;
  width: 20px;
  height: 10px;
  left: 5px;
  top: 50%;
  margin-top: -8px;
  transform: rotate(-45deg);
  border-bottom: 4px solid;
  border-left: 4px solid;
  border-color: #9c1ffb;
  z-index: 2;
}

.document__column-left p {
  margin-top: 3rem;
  line-height: 2;
}

.document__column-right {
  width: 50%;
}

.site-footer {
  background: #f4f4f4;
  padding: 2.5rem 0;
}

.footer-nav__menu {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  font-size: 1.3rem;
}

.footer-nav__item a {
  color: #2b2b2b;
  text-decoration: none;
}

.footer-info {
  margin-top: 3rem;
}

.footer-info__copy {
  text-align: center;
  font-size: 1.2rem;
}

.ib-button {
  text-align: center;
  padding: 0 2rem;
}

.ib-button__over {
  position: relative;
  width: fit-content;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: 0;
  color: #E50000;
  margin: 0 auto 1rem;
}

.ib-button__over::before {
  content: "";
  position: absolute;
  width: 0px;
  height: clamp(3.6rem, 4vw, 5.5rem);
  top: 0;
  left: -1rem;
  border-left: 2px solid #E50000;
  transform: translateX(0) translateY(0) rotate(-20deg);
}

.ib-button__over::after {
  content: "";
  position: absolute;
  width: 0px;
  height: clamp(3.6rem, 4vw, 5.5rem);
  top: 0;
  right: -1rem;
  border-left: 2px solid #E50000;
  transform: translateX(0) translateY(0) rotate(20deg);
}

.ib-button__link {
  display: inline-block;
  padding: 1.5rem 9rem;
  background: linear-gradient(to bottom, #3400e4, #2e00c9);;
  border-radius: 3rem;
  color: #fff;
  font-size: 2rem;
  font-weight: bold;
  text-decoration: none;
  transition: all .3s;
}

.ib-button__link:hover {
  opacity: .7;
}

.sp-only {
  display: none;
}

.fadeup {
  opacity: 0;
  will-change: opacity, transform;
}

.fadeup.is-animated {
  animation: fadeup 1s cubic-bezier(0.33, 1, 0.68, 1) 1 forwards;
}

.fadeup.is-animated.delay1 {
  animation-delay: .2s;
}

.fadeup.is-animated.delay2 {
  animation-delay: .4s;
}

.fadeup.is-animated.delay3 {
  animation-delay: .6s;
}

.fadeup.is-animated.delay4 {
  animation-delay: .8s;
}

.fadeup.is-animated.delay5 {
  animation-delay: 1s;
}

.fadeup.is-animated.delay6 {
  animation-delay: 1.2s;
}

.fadeup.is-animated.delay7 {
  animation-delay: 1.4s;
}

.fadeup.is-animated.delay8 {
  animation-delay: 1.6s;
}

@keyframes fadeup {
  0% {
    transform: translateY(50px);
    opacity: 0;
  }
  80% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media screen and (max-width:896px) {

  body {
    margin: 5rem 0 0;
  }

  .site-header {
    height: 5rem;
  }

  .header {
    width: 15rem;
    height: 100%;
  }

  .hero {
    padding: 0;
  }

  .hero__left {
    padding: 5rem 0 5rem 2rem;
  }

  .hero__medal {
    top: 2rem;
  }

  .hero__desc {
    margin-bottom: 4rem;
  }

  .hero__right {
    width: 100%;
    padding: 1rem 0;
  }

  .problem {
    padding-bottom: 10rem;
  }

  .solution__heading {
    padding: 6rem 0;
  }

  .solution__heading-logo {
    margin-right: .5rem;
  }

  .solution__column {
    min-height: 30rem;
    margin-bottom: 5rem;
  }

  .solution__text {
    width: 58%;
    margin-top: 1rem;
    padding: 2rem 4rem;
  }

  .solution__image {
    width: 50%;
  }

  .sns {
    margin: 6rem auto;
    width: 85%;
    max-width: 64rem;
  }

  .sns__container {
    height: 10vw;
  }

  .faq__container {
    padding: 6rem 2rem 10rem;
  }

  .contact__heading {
    padding: 6rem 2rem 2rem;
  }

  .pc-only {
    display: none;
  }
}

@media screen and (max-width:640px) {

  .hero {
    padding: 2rem 0 3rem;
  }

  .hero__medal {
    top: -1rem;
  }

  .hero__heading {
    margin-top: 2rem;
  }

  .hero__desc {
    margin-bottom: 2rem;
  }

  .client {
    margin-top: 0;
  }

  .client__item {
    width: calc(100% / 3 );
  }

  .problem {
    padding-bottom: 5rem;
  }

  .problem__list {
    padding: 3rem 2rem 2rem;
  }

  .solution__heading {
    padding: 5rem 0 0;
  }

  .solution__column {
    flex-direction: column-reverse;
    height: auto;
    margin-bottom: 0;
  }

  .solution__column:nth-child(odd) {
    flex-direction: column-reverse;
  }

  .solution__column:last-child {
    margin-bottom: 3rem;
  }

  .solution__text {
    width: auto;
    margin-top: 6rem;
  }

  .solution__text h3 {
    text-align: center;
  }

  .solution__image {
    position: relative;
    width: 80%;
    bottom: -5rem;
  }

  .sns {
    margin: 4rem auto;
    width: 100%;
  }

  .sns__container {
    gap: 3rem;
    padding: 4rem 3rem;
    height: 12vw;
  }

  .faq__container {
    padding: 6rem 2rem 5rem;
  }

  .faq__list {
    margin: 4rem auto 0;
  }

  .faq__item {
    margin-bottom: 3rem;
    padding: 4rem 2rem;
  }

  .contact {
    padding: 0 0 5rem;
  }

  .document {
    padding: 4rem 2rem;
  }

  .document__heading {
    font-size: 2.2rem;
    margin-bottom: 4rem;
  }

  .document__column {
    flex-direction: column;
  }

  .document__column-left,
  .document__column-right {
    width: 100%;
  }

  .document__column-left ul,
  .document__column-left p {
    font-size: 1.4rem;
  }

  .footer-nav__menu {
    flex-wrap: wrap;
    gap: 1rem 0;
    padding: 0 2rem;
  }

  .footer-nav__menu li {
    width: 50%;
    text-align: center;
  }

  .ib-button__link {
    width: 100%;
    margin-bottom: 2rem;
    padding: 1.5rem 0px;
    border-radius: 5rem;
    font-size: 1.6rem;
  }

  .sp-only {
    display: block;
  }

  .sp-none {
    display: none;
  }
}