    :root {
       --bg: #f4f7fb;
       --card: #ffffff;
       --text: #202534;
       --muted: #5f687a;
       --yda-blue: #4f78c4;
       --yda-blue2: #6d8fe0;
       --pink: #ff7fb0;
       --line: #e6ebf4;
       --shadow: 0 14px 40px rgba(30, 40, 70, .08);
       --shadow2: 0 18px 48px rgba(30, 40, 70, .12);
       --radius: 28px;
       --container: 1160px;
    }
    * {
       box-sizing: border-box
    }
    html {
       scroll-behavior: smooth
    }
    body {
       margin: 0;
       font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
       color: var(--text);
       background: radial-gradient(circle at top left, rgba(79, 120, 196, .18), transparent 28%), radial-gradient(circle at top right, rgba(109, 143, 224, .15), transparent 28%), linear-gradient(180deg, #f8fbff 0%, var(--bg) 42%, #f8f9fd 100%);
       line-height: 1.8;
    }
    a {
       color: inherit;
       text-decoration: none
    }
    .wrap {
       width: min(var(--container), calc(100% - 32px));
       margin: 0 auto;
    }
    .topbar {
       position: sticky;
       top: 0;
       z-index: 100;
       backdrop-filter: blur(14px);
       background: rgba(255, 255, 255, .78);
       border-bottom: 1px solid rgba(230, 235, 244, .95);
    }
    .topbar-inner {
       display: flex;
       align-items: center;
       justify-content: space-between;
       gap: 16px;
       padding: 14px 0;
    }
    .brand {
       display: flex;
       align-items: center;
       gap: 12px;
       font-weight: 900;
       letter-spacing: .02em;
       font-size: 1rem;
    }
    .brand-mark {
       width: 40px;
       height: 40px;
       border-radius: 14px;
       background: linear-gradient(135deg, var(--yda-blue), var(--yda-blue2));
       box-shadow: 0 10px 24px rgba(79, 120, 196, .25);
    }
    .nav {
       display: flex;
       gap: 18px;
       flex-wrap: wrap;
       justify-content: flex-end;
       font-size: .95rem;
    }
    .nav a {
       color: var(--muted);
       font-weight: 700;
    }
    .nav a:hover {
       color: var(--yda-blue)
    }
    .hero {
       padding: 28px 0 18px;
    }
    .hero-box {
       position: relative;
       overflow: hidden;
       border-radius: 32px;
       background: linear-gradient(135deg, var(--yda-blue) 0%, #6d8fe0 100%);
       color: #fff;
       box-shadow: var(--shadow2);
    }
    .hero-grid {
       display: grid;
       grid-template-columns: 1.08fr .92fr;
       min-height: 540px;
    }
    .hero-copy {
       padding: 46px 36px 34px;
       display: flex;
       flex-direction: column;
       justify-content: center;
    }
    .eyebrow {
       display: inline-flex;
       align-items: center;
       gap: 8px;
       width: fit-content;
       padding: 8px 14px;
       border-radius: 999px;
       background: rgba(255, 255, 255, .18);
       backdrop-filter: blur(10px);
       font-size: .88rem;
       font-weight: 800;
       margin-bottom: 16px;
    }
    .hero h1 {
       margin: 0;
       font-size: clamp(2.2rem, 5vw, 4.7rem);
       line-height: 1.06;
       letter-spacing: .01em;
    }
    .hero-lead {
       margin: 16px 0 0;
       max-width: 40em;
       font-size: 1.05rem;
       opacity: .96;
    }
    .hero-points {
       display: flex;
       flex-wrap: wrap;
       gap: 10px;
       margin: 22px 0 0;
       padding: 0;
       list-style: none;
    }
    .hero-points li {
       padding: 8px 12px;
       border-radius: 999px;
       background: rgba(255, 255, 255, .16);
       border: 1px solid rgba(255, 255, 255, .18);
       font-size: .92rem;
    }
    .hero-actions {
       display: flex;
       flex-wrap: wrap;
       gap: 12px;
       margin-top: 28px;
    }
    .btn {
       display: inline-flex;
       align-items: center;
       justify-content: center;
       min-height: 48px;
       padding: 12px 20px;
       border-radius: 999px;
       font-weight: 900;
       letter-spacing: .02em;
       transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
       border: 1px solid transparent;
       cursor: pointer;
    }
    .btn:hover {
       transform: translateY(-2px)
    }
    .btn-primary {
       background: #fff;
       color: #2f5fb0;
       box-shadow: 0 14px 30px rgba(0, 0, 0, .12);
    }
    .btn-secondary {
       background: rgba(255, 255, 255, .16);
       color: #fff;
       border-color: rgba(255, 255, 255, .25);
    }
    .hero-media {
       position: relative;
       min-height: 360px;
    }
    .hero-media img {
       width: 100%;
       height: 100%;
       object-fit: cover;
       display: block;
       transform: scale(1.00);
       transition: none;
    }
    .hero-box:hover .hero-media img {
       transform: scale(1.00)
    }
    .hero-media::after {
       content: "";
       position: absolute;
       inset: 0;
       background: linear-gradient(180deg, transparent 35%, rgba(0, 0, 0, .45));
    }
    .hero-badge {
       position: absolute;
       left: 18px;
       bottom: 18px;
       z-index: 2;
       padding: 10px 14px;
       border-radius: 999px;
       background: rgba(255, 255, 255, .18);
       border: 1px solid rgba(255, 255, 255, .2);
       backdrop-filter: blur(10px);
       font-size: .92rem;
       font-weight: 800;
    }
    .section {
       margin: 18px auto 0;
       background: var(--card);
       border: 1px solid var(--line);
       border-radius: var(--radius);
       box-shadow: var(--shadow);
       padding: 28px;
       overflow: hidden;
    }
    .section h2 {
       margin: 0;
       font-size: clamp(1.4rem, 2.6vw, 2.05rem);
       line-height: 1.18;
    }
    .lead {
       margin: 0 auto;
       color: var(--muted);
  text-align: center;
    }
    .split {
       display: grid;
       grid-template-columns: 1fr 1fr;
       gap: 16px;
    }
    .panel {
       border-radius: 22px;
       background: linear-gradient(180deg, #fff, #fbfcff);
       border: 1px solid var(--line);
       padding: 18px;
    }
    .panel h3 {
       margin: 0 0 8px;
       font-size: 1.05rem
    }
    .panel p {
       margin: 0;
       color: #555
    }
    .work-grid, .grid {
       display: grid;
       grid-template-columns: repeat(3, minmax(0, 1fr));
       gap: 16px;
       margin-top: 16px;
    }
    .card, .work-card {
       border-radius: 24px;
       overflow: hidden;
       background: #fff;
       border: 1px solid var(--line);
       box-shadow: 0 8px 20px rgba(30, 40, 70, .05);
       transition: transform .25s ease, box-shadow .25s ease;
       min-width: 0;
       display: block;
    }
    .card:hover, .work-card:hover {
       transform: translateY(-4px);
       box-shadow: 0 16px 34px rgba(30, 40, 70, .10);
    }
    .card-media, .work-media {
       position: relative;
       aspect-ratio: 16/10;
       overflow: hidden;
       background: #eef1f8;
    }
    .card-media img, .work-media img {
       width: 100%;
       height: 100%;
       object-fit: cover;
       display: block;
       transition: transform .35s ease;
    }
    .card:hover .card-media img, .work-card:hover .work-media img {
       transform: scale(1.06)
    }
    .card-body, .work-body {
       padding: 16px;
    }
    .card-body h3, .work-body h3 {
       margin: 0 0 8px;
       font-size: 1.05rem;
       color: #2f5fb0;
    }
    .card-body p, .work-body p {
       margin: 0;
       color: #555;
       font-size: .96rem;
    }
    .flow {
       display: grid;
       grid-template-columns: repeat(4, minmax(0, 1fr));
       gap: 14px;
       margin-top: 16px;
    }
    .step {
       position: relative;
       border-radius: 22px;
       padding: 18px;
       background: #fff;
       border: 1px solid var(--line);
       box-shadow: 0 8px 20px rgba(30, 40, 70, .05);
       min-height: 170px;
       overflow: hidden;
    }
    .step .num {
       display: inline-flex;
       align-items: center;
       justify-content: center;
       width: 34px;
       height: 34px;
       border-radius: 12px;
       background: linear-gradient(135deg, var(--yda-blue), var(--pink));
       color: #fff;
       font-weight: 900;
       margin-bottom: 12px;
       box-shadow: 0 10px 20px rgba(79, 120, 196, .18);
    }
    .step h3 {
       margin: 0 0 8px;
       font-size: 1.02rem
    }
    .step p {
       margin: 0;
       color: #555;
       font-size: .95rem
    }
    .cta {
       position: relative;
       overflow: hidden;
       color: #fff;
       background: linear-gradient(135deg, var(--yda-blue) 0%, #7d98e7 55%, #ff7fb0 100%);
       border: none;
    }
    .cta-inner {
       display: grid;
       grid-template-columns: 1.05fr .95fr;
       gap: 18px;
       align-items: center;
    }
    .cta-box {
       background: rgba(255, 255, 255, .14);
       border: 1px solid rgba(255, 255, 255, .2);
       border-radius: 24px;
       padding: 18px;
       backdrop-filter: blur(10px);
    }
    .cta-list {
       margin: 0;
       padding-left: 18px;
       color: #fff;
    }
    .cta-list li {
       margin: 6px 0
    }
    .cta-actions {
       display: flex;
       flex-wrap: wrap;
       gap: 12px;
       margin-top: 20px;
    }
    .cta-actions .btn-primary {
       background: #fff;
       color: #2f5fb0
    }
    .cta-actions .btn-secondary {
       background: rgba(255, 255, 255, .12)
    }
    .note {
       font-size: .86rem;
       color: rgba(255, 255, 255, .88);
       margin-top: 10px;
    }
    @media (max-width:980px) {
       .hero-grid, .cta-inner, .grid, .work-grid, .flow {
          grid-template-columns: 1fr 1fr
       }
    }
    @media (max-width:760px) {
       .topbar-inner {
          flex-direction: column;
          align-items: flex-start
       }
       .nav {
          justify-content: flex-start;
          gap: 12px
       }
       .hero-grid, .cta-inner, .grid, .work-grid, .split, .flow {
          grid-template-columns: 1fr
       }
       .hero-copy {
          padding: 30px 20px 22px
       }
       .section {
          padding: 20px
       }
       .hero-media {
          min-height: 280px
       }
       .hero h1 {
          font-size: 2.2rem
       }
    }
    @media (max-width:560px) {
       .wrap {
          width: min(var(--container), calc(100% - 20px))
       }
       .hero-box, .section {
          border-radius: 22px
       }
       .btn {
          width: 100%
       }
       .hero-actions, .cta-actions {
          width: 100%
       }
       .hero-actions .btn, .cta-actions .btn {
          width: 100%
       }
    }