@keyframes hover_line {
  0% {
    scale: 0 1;
  }
  100% {
    scale: 1 1;
  }
}
html {
  background: #0c104c;
  font-size: min(0.91vw, 10px);
  font-family: "Roboto", "Noto Sans JP", sans-serif;
  color: #fff;
}
@media (max-width: 768px) {
  html {
    font-size: min(1.613vw, 5px);
  }
}

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

ul, ol, li {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: 0.2s linear;
}

input, button {
  font: inherit;
  transition: 0.2s linear;
}
input:focus, button:focus {
  transition: none;
}

img {
  object-fit: contain;
  width: 100%;
  height: 100%;
}

svg {
  width: 100%;
  height: 100%;
}

*, *::before, *::after {
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .pc-only {
    display: none !important;
  }
}

@media (min-width: 769px) {
  .sp-only {
    display: none !important;
  }
}

.js-animation.fadeIn {
  opacity: 0;
  transition: opacity 0.4s linear;
}
.js-animation.fadeIn.is-animated {
  opacity: 1;
}
.js-animation.slideUpIn {
  position: relative;
  overflow: hidden;
}
.js-animation.slideUpIn > * {
  display: block;
  translate: 0 30px;
  transition: opacity 0.4s linear, translate 0.4s ease-out;
}
.js-animation.slideUpIn.is-animated > * {
  translate: 0 0;
}
.js-animation.slideUpFadeIn {
  opacity: 0;
  translate: 0 30px;
  transition: opacity 0.4s linear, translate 0.4s ease-out;
}
.js-animation.slideUpFadeIn.is-animated {
  opacity: 1;
  translate: 0 0;
}

.header_outer {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  margin: 0 auto;
  z-index: 500;
}
@media (max-width: 768px) {
  .header_outer {
    padding: 1rem 1rem 0;
  }
}
.header_inner {
  display: flex;
  justify-content: space-between;
  position: relative;
  width: 100%;
}
@media (min-width: 769px) {
  .header_inner {
    align-items: center;
    column-gap: 4rem;
    padding: 2.6rem 4rem 2.2rem;
  }
}
@media (max-width: 768px) {
  .header_inner {
    align-items: center;
    padding: 2.2rem 3rem 4.2rem 1rem;
  }
}
@media (min-width: 769px) {
  .header_outer.is-scroll .header_inner {
    background: #24285e;
    padding: 0 4rem;
  }
}
@media (max-width: 768px) {
  .header_outer.is-scroll:not(.is-opened) .header_inner {
    background: #24285e;
    border-radius: 12rem;
    padding: 3.2rem 3rem 3.2rem 4rem;
  }
}
.header_logo {
  position: relative;
  margin-right: auto;
}
@media (min-width: 769px) {
  .header_logo {
    height: 3.6rem;
  }
}
@media (max-width: 768px) {
  .header_logo {
    width: 27.3rem;
    z-index: 5;
  }
}
.header_logo:hover {
  opacity: 0.6;
}
@media (min-width: 769px) {
  .header_outer.is-scroll .header_logo {
    height: 3.2rem;
  }
}
@media (min-width: 769px) {
  .header_mark {
    position: relative;
    width: 14.1rem;
  }
}
@media (max-width: 768px) {
  .header_mark {
    position: absolute;
    width: 10.5rem;
    left: 34.3rem;
    top: 2.4rem;
  }
}
@media (max-width: 768px) {
  .header_outer.is-scroll .header_mark {
    left: 36.3rem;
    top: 3.5rem;
  }
}

.nav_switch {
  flex-shrink: 0;
  display: block;
  position: relative;
  width: 8rem;
  height: 4.8rem;
  z-index: 5;
  cursor: pointer;
}
@media (min-width: 769px) {
  .nav_switch {
    display: none;
  }
}
.nav_switch::before, .nav_switch::after {
  content: "";
  position: absolute;
  background: #fff;
  width: 100%;
  height: 1px;
  left: 0;
  right: 0;
  margin: auto;
  transition: top 0.1s linear 0.1s, rotate 0.05s linear 0s;
}
.nav_switch::before {
  top: 29.167%;
}
.nav_switch::after {
  top: 70.834%;
  rotate: 360deg;
}
.header_outer.is-opened .nav_switch::before, .header_outer.is-opened .nav_switch::after {
  top: 50%;
  transition: top 0.1s linear 0s, rotate 0.05s linear 0.15s;
}
.header_outer.is-opened .nav_switch::before {
  rotate: 30deg;
}
.header_outer.is-opened .nav_switch::after {
  rotate: 330deg;
}
@media (min-width: 769px) {
  .nav_outer {
    flex-shrink: 0;
    position: relative;
  }
}
@media (max-width: 768px) {
  .nav_outer {
    position: fixed;
    background: #0c104c;
    inset: 0;
    overflow: hidden;
    z-index: 3;
  }
  .header_outer:not(.is-opened) .nav_outer {
    height: 0;
  }
}
@media (max-width: 768px) {
  .nav_inner {
    padding: 28rem 6.5rem 0;
  }
}
.nav_mark {
  width: 43.4rem;
  margin: 0 auto;
}
@media (min-width: 769px) {
  .nav_mark {
    display: none;
  }
}
.nav_menu {
  display: flex;
}
@media (min-width: 769px) {
  .nav_menu {
    align-items: center;
    column-gap: 3.5rem;
    cursor: pointer;
  }
}
@media (max-width: 768px) {
  .nav_menu {
    flex-direction: column;
    row-gap: 7.3rem;
    padding-top: 20.6rem;
  }
  .nav_menu[href] {
    cursor: pointer;
  }
}
.nav_menu > li {
  position: relative;
}
@media (min-width: 769px) {
  .header_outer.is-scroll .nav_menu > li {
    padding-top: 2.6rem;
    padding-bottom: 2.6rem;
  }
}
.nav_menu_index {
  letter-spacing: 0.05em;
  font-weight: 500;
}
@media (min-width: 769px) {
  .nav_menu_index {
    line-height: 2;
    font-size: 1.6rem;
    white-space: nowrap;
  }
}
@media (max-width: 768px) {
  .nav_menu_index {
    display: flex;
    justify-content: space-between;
    align-items: center;
    line-height: 1;
    font-size: 6.2rem;
  }
}
.nav_menu_index span {
  position: relative;
}
.nav_menu_index span::before {
  content: "";
  position: absolute;
  border-bottom: 1px solid;
  left: 0;
  right: 0;
  bottom: 0.05em;
  scale: 0 1;
  transition: scale 0.2s linear;
  transform-origin: right bottom;
  pointer-events: none;
}
.nav_menu_index svg {
  fill: #fff;
  width: 3.1rem;
  height: 3.1rem;
}
@media (min-width: 769px) {
  .nav_menu_index svg {
    display: none;
  }
}
@media (min-width: 769px) {
  .nav_menu_index:hover span::before {
    scale: 1 1;
    transform-origin: left bottom;
  }
}
@media (max-width: 768px) {
  .nav_menu_index[href]:hover span::before {
    scale: 1 1;
    transform-origin: left bottom;
  }
}
.nav_menu_index.is-current span::before {
  scale: 1 1;
  transition: none;
}
@media (min-width: 769px) {
  .nav_menu_index.is-current:hover span::before {
    scale: 0 1;
    animation: hover_line 0.2s linear 0.1s 1 forwards;
  }
}
@media (max-width: 768px) {
  .nav_menu_index.is-current[href]:hover span::before {
    scale: 0 1;
    animation: hover_line 0.2s linear 0.1s 1 forwards;
  }
}
.nav_menu_index.is-comingsoon {
  opacity: 0.5;
  pointer-events: none;
}
@media (min-width: 769px) {
  .nav_child {
    display: none;
    position: absolute;
    width: 24.8rem;
    left: 50%;
    top: 100%;
    padding: 2.4rem 2.5rem 1.5rem;
    translate: -50% 0;
  }
  .nav_child::before {
    content: "";
    position: absolute;
    background: rgba(36, 40, 94, 0.9);
    border-radius: 1.2rem;
    left: 0;
    right: 0;
    top: 0.9rem;
    bottom: 0;
    pointer-events: none;
  }
  .nav_child::after {
    content: "";
    position: absolute;
    clip-path: path("M5.1900001.9799997L.56,9h12.0000004L7.9299998.9799997C7.3200002-.0800003,5.8000002-.0800003,5.1900001.9799997Z");
    background: rgba(36, 40, 94, 0.9);
    width: 1.3rem;
    height: 0.9rem;
    left: 0;
    right: 0;
    bottom: calc(100% - 0.95rem);
    margin: 0 auto;
    pointer-events: none;
  }
  .nav_child.is-opened {
    display: block;
  }
  .nav_child > li {
    position: relative;
  }
}
@media (max-width: 768px) {
  .nav_child {
    display: flex;
    flex-direction: column;
    row-gap: 3rem;
    position: relative;
    padding-top: 3.6rem;
  }
}
.nav_child_link {
  letter-spacing: 0.05em;
  font-weight: 500;
}
@media (min-width: 769px) {
  .nav_child_link {
    line-height: 2;
    font-size: 1.5rem;
    white-space: nowrap;
  }
}
@media (max-width: 768px) {
  .nav_child_link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    line-height: 1;
    font-size: 3.6rem;
  }
}
.nav_child_link span {
  position: relative;
}
.nav_child_link span::before {
  content: "";
  position: absolute;
  border-bottom: 1px solid;
  left: 0;
  right: 0;
  scale: 0 1;
  transform-origin: right bottom;
  transition: scale 0.2s linear;
  pointer-events: none;
}
@media (min-width: 769px) {
  .nav_child_link span::before {
    bottom: 0.05em;
  }
}
@media (max-width: 768px) {
  .nav_child_link span::before {
    bottom: 0;
  }
}
.nav_child_link svg {
  fill: #fff;
  width: 3.1rem;
  height: 3.1rem;
}
@media (min-width: 769px) {
  .nav_child_link svg {
    display: none;
  }
}
.nav_child_link:hover span::before {
  scale: 1 1;
  transform-origin: left bottom;
}
.nav_child_link.is-current span::before {
  scale: 1 1;
  transition: none;
}
.nav_child_link.is-current:hover span::before {
  scale: 0 1;
  animation: hover_line 0.2s linear 0.1s 1 forwards;
}
.nav_child_link.is-comingsoon {
  opacity: 0.5;
  pointer-events: none;
}
.nav_utility {
  display: flex;
}
@media (min-width: 769px) {
  .nav_utility {
    align-items: center;
  }
}
@media (max-width: 768px) {
  .nav_utility {
    flex-direction: column;
    row-gap: 2.2rem;
    padding-top: 3.3rem;
  }
}
.nav_utility > li {
  position: relative;
}
@media (min-width: 769px) {
  .nav_utility > li + li {
    margin-left: 1rem;
    padding-left: calc(1rem + 1px);
  }
  .nav_utility > li + li::before {
    content: "";
    position: absolute;
    background: #fff;
    width: 1px;
    height: 1.1rem;
    left: 0;
    top: 50%;
    translate: 0 -50%;
  }
}
.nav_utility_link {
  letter-spacing: 0.05em;
  font-weight: 500;
}
@media (min-width: 769px) {
  .nav_utility_link {
    line-height: 2;
    font-size: 1.3rem;
  }
}
@media (max-width: 768px) {
  .nav_utility_link {
    line-height: 1.358;
    font-size: 2.8rem;
  }
}
.nav_utility_link span {
  position: relative;
}
.nav_utility_link span::before {
  content: "";
  position: absolute;
  border-bottom: 1px solid;
  left: 0;
  right: 0;
  bottom: 0.05em;
  scale: 0 1;
  transition: scale 0.2s linear;
  transform-origin: right bottom;
  pointer-events: none;
}
.nav_utility_link:hover span::before {
  scale: 1 1;
  transform-origin: left bottom;
}
.nav_utility_link.is-current span::before {
  scale: 1 1;
  transition: none;
}
.nav_utility_link.is-current:hover span::before {
  scale: 0 1;
  animation: hover_line 0.2s linear 0.1s 1 forwards;
}
.nav_utility_link.is-comingsoon {
  opacity: 0.5;
  pointer-events: none;
}

.lower_bottom {
  display: flex;
  justify-content: center;
}
@media (min-width: 769px) {
  .lower_bottom {
    padding: 16rem 0;
  }
}
@media (max-width: 768px) {
  .lower_bottom {
    padding: 21rem 0;
  }
}
@media (min-width: 769px) {
  .lower_bottom figure {
    width: 29.8rem;
  }
}
@media (max-width: 768px) {
  .lower_bottom figure {
    width: 38rem;
  }
}

.footer_outer {
  position: relative;
}
.footer_outer::before {
  content: "";
  position: absolute;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  width: 100dvw;
  height: 1px;
  left: 50%;
  top: 0;
  translate: -50% 0;
}
@media (min-width: 769px) {
  .footer_outer::before {
    background-image: url(/global/en/dynabook-b2c/images/common/footer_line_pc.png);
  }
}
@media (max-width: 768px) {
  .footer_outer::before {
    background-image: url(/global/en/dynabook-b2c/images/common/footer_line_sp.png);
  }
}
.footer_inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 auto;
}
@media (min-width: 769px) {
  .footer_inner {
    column-gap: 3.4rem;
    max-width: 140rem;
    padding: 3rem 5rem 2.4rem;
  }
}
@media (max-width: 768px) {
  .footer_inner {
    flex-direction: column;
    padding: 6.5rem 0 5.8rem;
  }
}
.footer_utility {
  display: flex;
  align-items: center;
  color: rgb(157.8, 159.4, 183.4);
}
@media (max-width: 768px) {
  .footer_utility {
    flex-direction: column;
    row-gap: 2rem;
  }
}
.footer_utility > li {
  position: relative;
}
@media (max-width: 768px) {
  .footer_utility > li {
    padding: 0 3.2rem;
  }
  .footer_utility > li::before, .footer_utility > li::after {
    content: "";
    position: absolute;
    background: rgb(157.8, 159.4, 183.4);
    width: 1px;
    height: 2.1rem;
    top: 50%;
    translate: 0 -50%;
    pointer-events: none;
  }
  .footer_utility > li::before {
    left: 0;
  }
  .footer_utility > li::after {
    right: 0;
  }
}
@media (min-width: 769px) {
  .footer_utility > li + li {
    margin-left: 1.5rem;
    padding-left: calc(1.5rem + 1px);
  }
  .footer_utility > li + li::before {
    content: "";
    position: absolute;
    background: rgb(157.8, 159.4, 183.4);
    width: 1px;
    height: 1.1rem;
    left: 0;
    top: 50%;
    translate: 0 -50%;
  }
}
.footer_utility_link {
  letter-spacing: 0.05em;
}
@media (min-width: 769px) {
  .footer_utility_link {
    line-height: 1;
    font-size: 1.2rem;
  }
}
@media (max-width: 768px) {
  .footer_utility_link {
    line-height: 1.334;
    font-size: 2.4rem;
  }
}
.footer_utility_link span {
  position: relative;
}
.footer_utility_link span::before {
  content: "";
  position: absolute;
  border-bottom: 1px solid;
  left: 0;
  right: 0;
  bottom: 0.05em;
  scale: 0 1;
  transition: scale 0.2s linear;
  transform-origin: right bottom;
  pointer-events: none;
}
.footer_utility_link:hover span::before {
  scale: 1 1;
  transform-origin: left bottom;
}
.footer_utility_link.is-current span::before {
  scale: 1 1;
  transition: none;
}
.footer_utility_link.is-current:hover span::before {
  scale: 0 1;
  animation: hover_line 0.2s linear 0.1s 1 forwards;
}
.footer_note {
  letter-spacing: 0.05em;
  line-height: 1;
  color: rgb(157.8, 159.4, 183.4);
}
@media (min-width: 769px) {
  .footer_note {
    font-size: 1rem;
  }
}
@media (max-width: 768px) {
  .footer_note {
    padding-top: 5.7rem;
    font-size: 2rem;
  }
}
.footer_copyright {
  letter-spacing: 0.05em;
  line-height: 1;
  color: rgb(157.8, 159.4, 183.4);
}
@media (min-width: 769px) {
  .footer_copyright {
    margin-left: auto;
    font-size: 1rem;
  }
}
@media (max-width: 768px) {
  .footer_copyright {
    padding-top: 3.4rem;
    font-size: 2rem;
  }
}