:root {
  --black: #333333;
  --white: #fff;
  --gray: #F6F6F6;
  --red: #CD0033;
}
body {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  line-height: 1.5;
  vertical-align: baseline;
  box-sizing: border-box;
  overflow-x: hidden;
  overflow-x: clip;

  color: var(--black);
  font-family: "Noto Sans JP", sans-serif;
}

  /* =============================================================================
  Basic style
  ========================================================================== */
  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,
  menu,
  nav,
  output,
  ruby,
  section,
  summary,
  time,
  mark,
  audio,
  video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    line-height: 1.5;
    vertical-align: baseline;
    box-sizing: border-box;
  }

  article,
  aside,
  details,
  figcaption,
  figure,
  footer,
  header,
  menu,
  nav,
  section {
    display: block;
  }

  ol,
  ul {
    list-style: none;
  }

  /* =============================================================================
  Image
  ========================================================================== */
  .main-article a {
    max-width: 100%;
    text-decoration: none;
    cursor: pointer;
  }

  picture,
  figure {
    display: block;
    max-width: 100%;
  }

  img {
    width: 100%;
    height: auto;
    vertical-align: middle;
  }

  /* =============================================================================
  Utility style
  ========================================================================== */
  .u-visuallyHidden {
    position: absolute;
    overflow: hidden;
    width: 1px;
    height: 1px;
    clip: rect(1px, 1px, 1px, 1px);
  }
  .u-display--pc {
    display: none;
  }
  @media (min-width: 768px) {
    .u-display--pc {
      display: block;
    }
  }
  .u-display--sp {
    display: none;
  }
  @media (max-width: 767px) {
    .u-display--sp {
      display: block;
    }
  }

  .u-break {
    display: inline-block;
  }
  @media (min-width: 768px) {
    .u-break--pc {
      display: inline-block;
    }
  }
  @media (max-width: 767px) {
    .u-break--sp {
      display: inline-block;
    }
  }

  .u-br {
    display: block;
  }
  @media (min-width: 768px) {
    .u-br--pc {
      display: block;
    }
  }
  @media (max-width: 767px) {
    .u-br--sp {
      display: block;
    }
  }

  .flex {
    display: flex;
    flex-wrap: wrap;
  }

  .grid {
    display: grid;
  }
  @media (min-width: 768px) {
    .grid--pc {
      display: grid;
    }
  }
  @media (max-width: 767px) {
    .grid--sp {
      display: grid;
    }
  }

  .u-color-black {
    color: var(--black);
  }

  .u-color-red {
    color: var(--red);
  }

  @media (min-width: 768px) {
    section {
      padding-inline: 20px;
    }
  }

  @media (min-width: 768px) {
    .inner {
      max-width: 1080px;
      margin-inline: auto;
    }
  }

  @media (max-width: 767px) {
    .inner {
      margin-inline: 20px;
    }
  }

  @media (min-width: 768px) {
    .inner-small {
      max-width: 792px;
      margin-inline: auto;
    }
  }
  @media (max-width: 767px) {
    .inner-small {
      margin-inline: 20px;
    }
  }
  /* ==============
  Component
  ============== */
  .content__section {
    padding-block: 100px;
  }
  @media (max-width: 767px) {
    .content__section {
      padding-block: 86px;
    }
  }
  .content__title {
    margin-block-end: 52px;
    position: relative;
    text-align: center;
    font-size: 40px;
    font-weight: 700;
  }
  @media (max-width: 767px) {
    .content__title {
      font-size: 26px;
    }
  }

  .content__title::after {
    content: '';
    width: 86px;
    height: 6px;
    position: absolute;
    bottom: -29px;
    left: 50%;
    background: var(--red);
    transform: translateX(-50%);
  }

  .content__lead-text {
    margin-block-end: 40px;
    text-align: center;
    font-size: 18px;
    font-weight: 500;
  }
  @media (max-width: 767px) {
    .content__lead-text {
      font-size: 16px;
    }
  }
  .content__lead-text  * {
    line-height: 2;
  }

  .cta {
    width: fit-content;
    margin:0 auto;
  }
  .cta__lead-text {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    margin-block-end: 8px;
    position: relative;
    color: var(--red);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.5;
  }
  @media (max-width: 767px) {
    .cta__lead-text {
      margin-block-end: 6px;
      gap: 6px;
      font-size: 14px;
    }
  }

  .cta__lead-text::before,
  .cta__lead-text::after {
    content: '';
    width: 2px;
    height: 15px;
    background: var(--red);
  }

  .cta__lead-text::before {
    transform: rotate(-30deg);
  }

  .cta__lead-text::after {
    transform: rotate(30deg);
  }

  .cta__button {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-block: 27px;
    padding-inline: 45px;
    background: var(--red);
    border-radius: 12px;
    color: var(--white);
    font-size: 22px;
    font-weight: 700;
  }
  .cta__button:hover {
    color: var(--white);
  }
  @media (max-width: 767px) {
    .cta__button {
      padding-block: 18px;
      padding-inline: 33px;
      font-size: 16px;
    }
  }

  .cta__button::after {
    content: '';
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: url(/content/dam/nttcom/hq/jp/business/lp/aiinfra/img/arrow_forward.png) no-repeat top left / cover;
  }
/* =============================================================================
Main style
========================================================================== */
  .main-article{
    padding:0 !important;
  }

  /* ==============
  Hero
  ============== */
  .hero {
    padding-inline: 0;
  }
  /*
  @media (min-width: 768px) {
    .hero {
      background: url(/content/dam/nttcom/hq/jp/business/lp/aiinfra/img/hero_bg.jpg) no-repeat top left / cover;
    }
  }
  */

  .hero__inner {
    max-width: 1440px;
    margin-inline: auto;
    /*padding-block: 73px;*/
    padding-block: 35px;
    padding-inline: 90px;
  }
  @media (max-width: 767px) {
    .hero__inner {
      padding-block: 30px 0;
      padding-inline: 20px;
    }
  }

  .hero__title {
    margin-block-end: 15px;
    text-align: left;
    font-size: 44px;
    font-weight: 700;
    font-feature-settings: "palt";
    line-height: 1.7;
    letter-spacing: 0.05em;
  }
  @media (max-width: 767px) {
    .hero__title {
      margin-block-end: 16px;
      font-size: 28px;
      line-height: 1.5;
    }
  }

  @media (max-width: 767px) {
    .hero .cta {
      margin-block-end: 30px;
    }
  }

  .hero__lead-text {
    margin-block-end: 24px;
    font-size: 16px;
    line-height: 2;
    font-weight: 700;
  }
  @media (max-width: 767px) {
    .hero__lead-text {
      margin-block-end: 30px;
    }
  }

  /* ==============
  About
  ============== */
  .about {
    background: url(/content/dam/nttcom/hq/jp/business/lp/aiinfra/img/about_bg.jpg) no-repeat top left / cover;
  }

  /* ==============
  What
  ============== */
  .what__flex {
    justify-content: center;
    align-items: end;
    gap: 17px;
    margin-block-end: 70px;
  }
  @media (max-width: 767px) {
    .what__flex {
      gap: 24px;
      margin-block-end: 40px;
    }
  }
  .what__check-list {
    max-width: 523px;
  }
  .what__main-text {
    max-width: 540px;
  }

  /* ==============
  Assignment
  ============== */
  .assignment {
    padding-block-end: 185px;
    background: var(--gray);
  }
  @media (max-width: 767px) {
    .assignment {
      padding-block-end: 132px;
    }
  }

  /* ==============
  Solution
  ============== */
  .solution {
    margin-block-start: -85px;
    padding-block-start: 185px;
    background: var(--red);
    background: linear-gradient(180deg, var(--red) 0%, var(--red) 75%, var(--white) 75%, var(--white) 100%);
    clip-path: polygon(0 0, 50% 85px, 100% 0, 100% 100%, 0 100%);
  }
  @media (max-width: 767px) {
    .solution {
      margin-block-start: -48px;
      padding-block-start: 88px;
      background: linear-gradient(180deg, var(--red) 0%, var(--red) 72%, var(--white) 72%, var(--white) 100%);
      clip-path: polygon(0 0, 50% 48px, 100% 0, 100% 100%, 0 100%);
    }
  }

  .solution__title {
    margin-block-end: 24px;
    text-align: center;
    color: var(--white);
    font-size: 32px;
    font-weight: 700;
  }
  @media (max-width: 767px) {
    .solution__title {
      margin-block-end: 40px;
      font-size: 26px;
    }
  }

  .solution__title-band {
    display: block;
    width: fit-content;
    margin-block: 11px;
    margin-inline: auto;
    padding-inline: 16px;
    background: var(--white);
    font-size: 40px;
  }
  @media (max-width: 767px) {
    .solution__title-band  {
      margin-block: 15px;
      padding-block: 8px;
      padding-inline: 16px;
      font-size: 32px;
    }
  }

  .solution__lead-text {
    color: var(--white);
  }
  .solution__lead-text * {
    color: var(--white);
  }

  .solution__lead-text .spacer-bottom {
    margin-block-end: 2em;
  }

  .solution__main-img {
    margin-block-end: 40px;
    filter: drop-shadow(0 0 20px rgba(0 0 0 / 0.2));
  }

  .solution__foot-text {
    margin-block-end: 40px;
    text-align: center;
    font-size: 18px;
    font-weight: 700;
  }
  .solution__foot-text * {
    line-height: 2;
  }

  .solution .cta {
    margin-inline: auto;
  }

  .portfolio {
    background: var(--gray);
  }

  .portfolio__title {
    margin-block-end: 70px;
  }

  .portfolio__contents {
    grid-template-areas:
    'network date server'
    'network date img'
    ;
    grid-template-columns: repeat(3, 1fr);
    gap: 23px;
  }
  .portfolio__network {
    grid-area: network;
  }
  @media (max-width: 767px) {
    .portfolio__network {
      margin-block-end: 32px;
    }
  }

  .portfolio__date {
    grid-area: date;
  }
  @media (max-width: 767px) {
    .portfolio__date {
      margin-block-end: 32px;
    }
  }

  .portfolio__server {
    grid-area: server;
  }

  .portfolio__img {
    grid-area: img;
  }

  .portfolio__content {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
  }

  .portfolio__content-title {
    padding-block: 15px 12px;
    background: var(--red);
    text-align: center;
    color: var(--white);
    font-size: 20px;
    font-weight: 700;
  }

  .portfolio__content-container {
    padding-block: 24px;
    padding-inline: 22px;
  }
  @media (max-width: 767px) {
    .portfolio__content-container {
      padding-block: 23px 25px;
      padding-inline: 18px;
    }
  }

  .portfolio__content-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 376px;
    padding-block: 35px 24px;
    padding-inline: 16px;
    border: 1px solid #DADADA;
    border-radius: 20px;
  }
  @media (max-width: 767px) {
    .portfolio__content-wrapper {
      padding-inline: 16px;
    }
  }

  .portfolio__content-wrapper:not(:last-of-type) {
    margin-block-end: 24px;
  }

  .portfolio__content-name {
    margin-block-end: 16px;
    padding-block-end: 23px;
    border-bottom: 1px solid #B8B8B8;
    text-align: center;
    font-size: 16px;
    font-weight: 700;
    overflow-wrap: break-word;
  }
  @media (max-width: 767px) {
    .portfolio__content-name {
      padding-block-end: 10px;
    }
  }

  .portfolio__content-lead-title {
    margin-block-end: 10px;
    font-size: 15px;
    font-weight: 700;
  }

  .portfolio__content-text {
    margin-block-end: 16px;
    font-size: 15px;
    font-weight: 500;
  }

  .portfolio__content-logo {
    margin-inline: auto;
  }

  .portfolio__network .portfolio__content-wrapper:nth-of-type(1) .portfolio__content-logo  {
    width: 156px;
  }

  .portfolio__date .portfolio__content-wrapper:nth-of-type(1) .portfolio__content-logo  {
    width: 163px;
  }
  .portfolio__date .portfolio__content-wrapper:nth-of-type(2) .portfolio__content-logo  {
    width: 120px;
  }

  .portfolio__server .portfolio__content-wrapper:nth-of-type(1) .portfolio__content-logo  {
    width: 172px;
  }

  .portfolio__content-button {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-block-start: auto;
    color: var(--red);
    font-size: 14px;
    font-weight: 700;
  }
  .portfolio__content-button:visited {
    color: var(--red);
  }

  .portfolio__content-button::after {
    content: '';
    width: 22px;
    height: 22px;
    background: url(/content/dam/nttcom/hq/jp/business/lp/aiinfra/img/arrow_forward_red.png) no-repeat top left / cover;
  }

   @media (max-width: 767px) {
    .portfolio__img {
      margin-block-start: 24px;
    }
  }

  .use-case {
    background: url(/content/dam/nttcom/hq/jp/business/lp/aiinfra/img/use-case_bg.jpg) no-repeat top left / cover;
  }
  @media (max-width: 767px) {
    .use-case {
      background-image: url(/content/dam/nttcom/hq/jp/business/lp/aiinfra/img/use-case_bg-sp.jpg);
    }
  }

  @media (min-width: 768px) {
    .use-case__title {
      margin-block-end: 62px;
    }
  }

  .use-case__head {
    margin-block-end: 50px;
    padding-block: 28px 42px;
    background: #636363;
    border-radius: 20px;
  }
  @media (max-width: 767px) {
    .use-case__head {
      padding-block: 20px 40px;
      padding-inline: 17px;
    }
  }

  .use-case__head-title {
    width: fit-content;
    margin-block-end: 24px;
    margin-inline: auto;
    padding-block: 7px;
    padding-inline: 25px;
    background: var(--white);
    border-radius: 999px;
    font-size: 18px;
    font-weight: 700;
  }


  @media (min-width: 768px) {
    .use-case__head-list {
      display: grid;
      grid-template-columns: repeat(2, max-content);
      justify-content: center;
      gap: 40px 60px;
    }
  }

  .use-case__head-item {
    display: flex;
    gap: 12px;
    position: relative;
    color: var(--white);
    font-size: 18px;
    font-weight: 500;
  }
  .use-case__head-item * {
    color: var(--white);
  }
  @media (max-width: 767px) {
    .use-case__head-item {
      font-size: 15px;
    }
  }


  @media (max-width: 767px) {
    .use-case__head-item:not(:last-of-type) {
      margin-block-end: 24px;
    }
  }

  .use-case__head-item::before {
    content: '';
    display: block;
    width: 24px;
    height: 24px;
    position: relative;
    top: 2px;
    background: url(/content/dam/nttcom/hq/jp/business/lp/aiinfra/img/chack_icon_white.png) no-repeat top left / cover;
  }

  .use-case__head-item--large {
    display: block;
    font-size: 24px;
    font-weight: 700;
  }
  @media (max-width: 767px) {
    .use-case__head-item--large {
      font-size: 22px;
    }
  }

  .use-case__graph {
    max-width: 792px;
    margin-block-end: 36px;
    margin-inline: auto;
  }
  @media (max-width: 767px) {
    .use-case__graph {
      margin-block-end: 30px;
    }
  }

  .use-case__foot-list {
    width: fit-content;
    margin-block-end: 31px;
    margin-inline: auto;
    color: var(--red);
    font-size: 22px;
    font-weight: 700;
  }
  @media (max-width: 767px) {
    .use-case__foot-list {
      font-size: 16px;
    }
  }

  .use-case__foot-list li {
    color: var(--red);
    line-height: 1.8;
  }

  .use-case__foot-text {
    margin-block-end: 40px;
    text-align: center;
    font-size: 16px;
  }
  @media (max-width: 767px) {
    .use-case__foot-text {
      margin-block-end: 30px;
    }
  }
  .use-case__foot-text  * {
    line-height: 1.8;
  }

  .use-case .cta {
    margin-inline: auto;
  }

  .news__title {
    margin-block-end: 81px;
  }
  @media (max-width: 767px) {
    .news__title {
      margin-block-end: 51px;
    }
  }

  .news__article {
    padding-block: 28px;
    padding-inline: 32px;
    border-bottom: 2px dotted #D9D9D9;
  }
  @media (max-width: 767px) {
    .news__article {
      padding-block: 20px;
      padding-inline: 10px;
    }
  }

  .news__article:first-of-type {
    border-top: 2px dotted #D9D9D9;
  }

  .news__article-link {
    display: block;
    color: var(--black);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.8;
    overflow-wrap: break-word;
  }

  .news__article-link::after {
    content: '';
    display: inline-block;
    width: 23px;
    height: 23px;
    margin-inline-start: 0.8em;
    background: url(/content/dam/nttcom/hq/jp/business/lp/aiinfra/img/link_icon.png) no-repeat top left / cover;
    vertical-align: middle;
  }
  @media (max-width: 767px) {
    .news__article-link::after {
      width: 19px;
      height: 19px;
      margin-inline-start: 0.5em;
    }
  }

  .related {
    background: var(--gray);
  }

  .related__title {
    margin-block-end: 93px;
  }
  @media (max-width: 767px) {
    .related__title {
      margin-block-end: 52px;
    }
  }

  .related__container {
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
    margin-block-end: 40px;
  }

  .related__content {
    position: relative;
    color: var(--block);
  }

  @media (max-width: 767px) {
    .related__content:not(:last-of-type) {
      margin-block-end: 40px;
    }
  }

  .related__content-label {
    display: flex;
    align-items: center;
    gap: 11px;
    padding-block: 5px;
    padding-inline: 11px;
    position: absolute;
    top: 0;
    right: 0;
    background: var(--white);
    font-size: 14px;
    font-weight: 500;
    z-index: 1;
  }

  .related__content-label-tag {
    padding-block: 3px;
    padding-inline: 14px;
    border: 1px solid var(--red);
    border-radius: 999px;
    color: var(--red);
    font-size: 13px;
    font-weight: 700;
  }

  .related__content-thumb {
    margin-block-end: 12px;
    position: relative;
    z-index: 0;
  }

  .related__content-title {
    margin-block-end: 5px;
    font-size: 20px;
    font-weight: 700;
  }

  .related__content-text {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.8;
  }

  .related .cta {
    margin-inline: auto;
  }