@charset "utf-8";

/* =========================
*  基本（PC/SP共通）
========================= */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 20px;
}

body {
  background: #ffffff;
  color: #000000;
  font-family: "Noto Sans JP", sans-serif;
  width: 100%;
  font-size: 15px;
  /* overflow: hidden; */
}

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

a {
  color: #000000;
  text-decoration: none;
  display: block;
}

a:hover {
  opacity: 0.7;
}

#wrap {
  position: relative;
  overflow: hidden;
}

header {
  position: fixed;
  z-index: 999;
  height: 6em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.75);
  width: 100%;
}

header h1 {
  padding: 0 2em;
  width: 16%;
  max-width: 240px;
}

header h1 img {
  width: 100%;
}

nav ul.menu {
  display: flex;
  align-items: center;
  /* padding: 0 2em 0 0; */
}

nav ul.menu > li {
  font-weight: 500;
  cursor: pointer;
  transition: .2s cubic-bezier(0.45, 0, 0.55, 1);
  padding: 0 0 0.5em;
  position: relative;
  margin: 0 1em;
}

nav ul.menu > li::before,
nav ul.menu > li.inMenu p a::before {
  background: #0052a4;
  content: '';
  width: 100%;
  height: 2px;
  position: absolute;
  left: 0;
  bottom: 0;
  margin: auto;
  transform-origin: center top;
  transform: scale(0, 1);
  transition: transform .3s;
}

nav ul.menu > li a {
  font-size: 1.1em;
  font-style: italic;
}

nav ul.menu > li.inMenu::before {
  content: none;
}

nav ul.menu > li:hover::before,
nav ul.menu > li.inMenu p a:hover::before {
  transform-origin: center top;
  transform: scale(1, 1);
  opacity: 1;
}

nav ul.menu > li:hover a,
nav ul.menu > li.inMenu p a:hover {
  opacity: 1;
}

nav ul.menu > li.inMenu p {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 0.5em;
}

nav ul.menu > li.inMenu p::before,
nav ul.menu > li.inMenu p::after {
  content: "";
  background: #000;
  width: 50%;
  height: 2px;
  margin: 0 0 0.25em;
}

nav ul.menu > li.inMenu p a {
  position: relative;
  cursor: pointer;
  transition: .2s cubic-bezier(0.45, 0, 0.55, 1);
  padding: 0 0 0.25em;
  margin: 0 0.5em;
  display: inline-block;
}

nav ul.menu > li.inMenu p a span {
  font-size: 1.25em;
}

nav ul.menu > li ul.inner {
  display: flex;
  gap: 1em;
}

nav ul.menu > li ul.inner > li {
  cursor: pointer;
  transition: .2s cubic-bezier(0.45, 0, 0.55, 1);
  padding: 0 0 0.5em;
  position: relative;
}

nav ul.menu > li ul.inner > li::before {
  background: linear-gradient(90deg, rgba(153, 221, 51, 1) 2%, rgba(0, 204, 204, 1) 18%, rgba(0, 153, 255, 1) 34%, rgba(102, 102, 255, 1) 50%, rgba(204, 0, 255, 1) 66%, rgba(255, 51, 153, 1) 82%, rgba(255, 170, 51, 1) 98%);
  content: '';
  width: 100%;
  height: 2px;
  position: absolute;
  left: 0;
  bottom: 0;
  margin: auto;
  transform-origin: center top;
  transform: scale(0, 1);
  transition: transform .3s;
}

nav ul.menu > li ul.inner > li:hover::before {
  transform-origin: center top;
  transform: scale(1, 1);
  opacity: 1;
}

nav ul.menu > li ul.inner a {
  font-size: 1em;
}

main {
  padding: 6em 0 0;
}

section {
  position: relative;
  margin: 0 0 4em;
  padding: 4em 0 0;
}

.box {
  margin: 0 1em;
}

.main_visual {
  background: #efefef;
  text-align: center;
  padding: 0 !important;
}

.main_visual div {
  position: relative;
  aspect-ratio: 16 / 9;
  max-height: 810px;
  margin: 0 auto;

}

.main_visual svg {
  width: 95%;
  position: absolute;
  z-index: 10;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
}

.main_visual svg path {
  fill: #fff;
}

.main_visual img[src="assets/img/txt-copy.svg"] {
  position: absolute;
  z-index: 20;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  width: 40%;
}

.main_visual img[src="assets/img/bsn-vision-report.svg"] {
  position: absolute;
  z-index: 30;
  right: 10%;
  bottom: 10%;
  width: 60%;
}

.main_visual img[src*="bg_parts"] {
  position: absolute;
}

.main_visual img[src*="bg_parts_sbl"] {
  width: 24%;
  top: 5%;
  left: 0%;
  z-index: 4;
}

.main_visual img[src*="bg_parts_pnk"] {
  width: 42%;
  top: 0;
  left: 12%;
  z-index: 2;
}

.main_visual img[src*="bg_parts_org"] {
  /* width: 28%; */
  height: 50%;
  top: 0;
  right: 0;
  z-index: 3;
}

.main_visual img[src*="bg_parts_yel"] {
  width: 10%;
  right: 0;
  bottom: 0;
  z-index: 4;
}

.main_visual img[src*="bg_parts_blu"] {
  /* width: 50%; */
  height: 50%;
  bottom: 0;
  right: 10%;
  z-index: 5;
}

.main_visual img[src*="bg_parts_ygn"] {
  left: 0;
  bottom: 0;
  width: 36%;
  z-index: 5;
}

.opening div {
  text-align: center;
}

.opening p {
  margin: 0 0 2em;
  font-size: 1.8em;
  overflow: hidden;
}

.slide-in {
  overflow: hidden;
  display: inline-block;
}

.slide-in_inner {
  display: inline-block;
}

/* 上下のアニメーション*/
.upAnime {
  opacity: 0;
  /* 事前に透過0 にして消しておく*/
}

.slideAnimeDownUp {
  animation-name: slideTextY100;
  animation-duration: 1.0s;
  animation-fill-mode: forwards;
  opacity: 0;
}

@keyframes slideTextY100 {
  from {
    transform: translateY(100%);
    /* 要素を上の枠外に移動*/
    opacity: 0;
  }

  to {
    transform: translateY(0);
    /* 要素を元の位置に移動*/
    opacity: 1;
  }
}

.slideAnimeUpDown {
  animation-name: slideTextY-100;
  animation-duration: 1.0s;
  animation-fill-mode: forwards;
  opacity: 0;
}

@keyframes slideTextY-100 {
  from {
    transform: translateY(-100%);
    /* 要素を下の枠外に移動*/
    opacity: 0;
  }

  to {
    transform: translateY(0);
    /* 要素を元の位置に移動*/
    opacity: 1;
  }
}

.fadeUp {
  animation-name: fadeUpAnime;
  animation-duration: 0.8s;
  animation-fill-mode: forwards;
  opacity: 0;
}

@keyframes fadeUpAnime{
  from {
    opacity: 0;
    transform: translateY(100px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fadeUpTrigger{
  opacity: 0;
}

h2 {
  font-size: 3em;
  font-weight: 500;
  position: relative;
  margin: 0 0 1.5em;
  text-align: center;
}

h2:before {
  content: '';
  position: absolute;
  bottom: -0.5em;
  display: inline-block;
  width: 3em;
  height: 2px;
  left: 0;
  right: 0;
  margin: 0 auto;
  background-color: #000;
  border-radius: 100vh;
}

h3 {
  font-size: 3em;
  text-align: center;
  /* color: #0052a4; */
  color: #000;
  font-weight: 700;
  position: relative;
  margin: 0 0 1.5em;
}

h3:before {
  content: '';
  position: absolute;
  bottom: -0.5em;
  display: inline-block;
  width: 3em;
  height: 0.1em;
  left: 0;
  right: 0;
  margin: 0 auto;
  background: linear-gradient(90deg, rgba(153, 221, 51, 1) 2%, rgba(0, 204, 204, 1) 18%, rgba(0, 153, 255, 1) 34%, rgba(102, 102, 255, 1) 50%, rgba(204, 0, 255, 1) 66%, rgba(255, 51, 153, 1) 82%, rgba(255, 170, 51, 1) 98%);
  border-radius: 100vh;
}

.index_gp {
  margin: 0 auto;
  text-align: center;
  display: block;
}

.index_gp ul.outer {
  display: inline-block;
  font-size: 1.6em;
}

.index_gp ul.outer li {
  text-align: left;
  margin: 0 0 1em;
}

.index_gp a {
  display: inline-block;
  transition: .3s;
  background-position: 0 0;
  background-size: 200% auto;
  padding: 0.25em 0.5em;
}

.index_gp li:nth-of-type(1) a {
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0) 50%, #5f7dff 50%);
}

.index_gp li:nth-of-type(2) a {
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0) 50%, #A4FD49 50%);
}

.index_gp li:nth-of-type(3) a {
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0) 50%, #60FFED 50%);
}

.index_gp li:nth-of-type(4) a {
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0) 50%, #FF53B7 50%);
}

.index_gp li:nth-of-type(5) a {
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0) 50%, #FF694E 50%);
}

.index_gp a:hover{
  background-position: -100% 0;
  color: #fff;
  opacity: 1;
}

/*Page Topと書かれたテキストの位置*/
#page-top span {
  position: absolute;
  bottom: -20px;
  right: 20px;
  color: #666;
}

footer {
  background: #0052a4;
  margin: 8em 0 0;
  padding: 2em 0;
}

footer .copy {
  text-align: center;
  font-size: 0.8em;
  color: #ffffff;
}


@media screen and (min-width :900px) {
  .sp {
    display: none;
  }
}


@media screen and (max-width :899px) {
  body {
    font-size: 10px;
  }

  header {
    /* display: block; */
    justify-content: center;
    flex-wrap: wrap;
    padding: 1em 0;
    height: 7em;
  }

  header h1 {
    padding: 0 1em 1em 1em;
    width: 33%;
    max-width: 160px;
  }

  h3 {
    font-size: 2.4em;
  }

  nav {
    overflow-x: auto;
  }

  nav ul.menu {
    font-size: 0.9em;
    width: max-content;
  }

  nav ul.menu > li.inMenu p {
    justify-content: left;
  }

  nav ul.menu > li.inMenu p::before {
    height: 1px;
    width: 1em;
  }

 nav ul.menu > li.inMenu p::after {
  height: 1px;
  width: 100%;
 }

  /* nav ul.menu > li.inMenu p a {
    margin: 0 0.5em 0 0;
  } */

  nav ul.menu > li.inMenu p a span {
    font-size: 1.1em;
  }

  main {
    padding: 9em 0 0;
  }

  section {
    margin: 0 0 2em;
    padding: 2em 0 0;
  }

  .opening div p {
    font-size: 1.6em;
    line-height: 1.5em;
  }

  footer {
    margin: 4em 0 0;
  }

}