:root{
      --navy:#063f7c;
      --blue:#0b67b2;
      --light:#eef5fb;
      --line:#d8e1ea;
      --text:#122033;
      --muted:#536274;
      --white:#fff;
      --max:1180px;
    }

    .case-study{
      width:min(100%, var(--max));
      margin:0 auto;
      background:#fff;
    }

    .hero{
      display:grid;
      grid-template-columns:1fr 2.5fr;
      min-height:560px;
      position:relative;
      overflow:hidden;
      border-bottom:1px solid var(--line);
    }

    .hero-copy{
      position:relative;
      padding:36px 48px 44px;
      background:
        linear-gradient(90deg, rgba(255,255,255,1) 0%, rgba(255,255,255,.98) 78%, rgba(255,255,255,.75) 100%);
      z-index:2;
    }

    .hero-text-area{
      position:relative;
      z-index:2;
      width:186%;
      padding:36px 0 44px 48px;
      background:
        linear-gradient(
          90deg,
          rgba(255,255,255,1) 0%,
          rgba(255,255,255,.98) 55%,
          rgba(255,255,255,.75) 75%,
          rgba(255,255,255,0) 100%
        );
    }

    .eyebrow{
      display:inline-block;
      margin:0 0 38px;
      padding:11px 22px;
      background:var(--navy);
      color:#fff;
      font-weight:700;
      letter-spacing:.05em;
      font-size:clamp(16px,2vw,24px);
    }

    .hero h1{
      float: none;
      margin:0;
      max-width:90%;
      font-size:clamp(34px,4vw,52px);
      line-height:1.45;
      letter-spacing:.02em;
      color:#082d5e;
      font-weight:800;
      /* 白フチ */
      text-shadow:2px 2px 0 #fff,-2px -2px 0 #fff,2px -2px 0 #fff,-2px 2px 0 #fff;
    }

    .hero-lead{
      clear: both;
      max-width:90%;
      margin-top:28px;
      padding-top:24px;
      border-top:3px solid var(--navy);
      font-size:clamp(16px,1.8vw,20px);
      color:#082d5e;
      font-weight:700;
      /* 白フチ */
      text-shadow:1px 1px 0 #fff,-1px -1px 0 #fff,1px -1px 0 #fff,-1px 1px 0 #fff;
    }

    .hero-image{
      /*min-height:560px;*/
      position:relative;
      background:#dfeaf4;
      overflow:hidden;
    }

    /* 画像の左端を20px幅で白くフェード *★*/
    .hero-image::before{
      content:"";
      position:absolute;
      top:0;
      left:0;
      width:110px;
      height:100%;
      background:linear-gradient(
        to right,
        #fff 0%,
        rgba(255,255,255,.85) 20%,
        rgba(255,255,255,.35) 55%,
        rgba(255,255,255,0) 100%
      );
      z-index:1;
      pointer-events:none;
    }

    .hero-image img{
      width:100%;
      height:100%;
      object-fit:cover;
    }

    .steps{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:26px;
    }

    .step{
      min-width:0;
    }

    .step-head{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:12px;
      font-weight:700;
      font-size:20px;
    }

    .step-no{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:54px;
      height:42px;
      background:var(--navy);
      color:#fff;
      font-size:24px;
      font-weight:800;
    }

    .step-image{
      aspect-ratio:4/3;
      background:#edf2f6;
      overflow:hidden;
      border:1px solid var(--line);
    }

    .step-image img{
      width:100%;
      height:100%;
      object-fit:cover;
    }

    .step p{
      margin:14px 0 0;
      font-size:15px;
      color:#2e3b4a;
    }

    .comment{
      display:grid;
      grid-template-columns:160px 1fr;
      border:2px solid var(--blue);
      border-radius:12px;
      overflow:hidden;
      background:#fbfdff;
    }

    .comment-title{
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:12px;
      padding:28px 16px;
      color:var(--navy);
      border-right:1px solid #9fc1df;
      font-weight:800;
    }

    .person-icon{
      width:70px;
      height:70px;
      border-radius:50%;
      background:
        radial-gradient(circle at 50% 31%, var(--blue) 0 17%, transparent 18%),
        radial-gradient(ellipse at 50% 88%, var(--blue) 0 36%, transparent 37%);
    }

    .comment-body{
      padding:26px 30px;
      font-size:clamp(16px,2vw,22px);
    }

    .comment-body p{margin:0}

    .info-area{
      display:grid;
      grid-template-columns:1.45fr .95fr;
      gap:28px;
      align-items:stretch;
    }

    .info-table{
      width:100%;
      border-collapse:collapse;
      table-layout:fixed;
      font-size:15px;
    }

    .info-table th,
    .info-table td{
      border:1px solid var(--line);
      padding:13px 16px;
      vertical-align:top;
    }

    .info-table th{
      width:150px;
      background:var(--navy);
      color:#fff;
      text-align:center;
      font-weight:700;
    }

    .section{
      padding:36px 32px;
    }

    .product-card{
      padding:8px;
      border:1px solid var(--line);
      background:#fbfdff;
    }

    .product-card h2{
      margin:0 0 16px;
      color:var(--navy);
      font-size:26px;
      line-height:1.3;
    }

    .product-wrap{
      display:grid;
/**/      grid-template-columns:42% 58%;
      gap:18px;
      align-items:center;
    }

    .product-image{
      min-height:220px;
      background:#edf2f6;
      display:flex;
      align-items:center;
      justify-content:center;
      overflow:hidden;
    }

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

    .product-card ul{
      margin:0;
      padding-left:1.2em;
    }

    .product-link{
      display:block;
      margin-top:20px;
      padding:12px 14px;
      background:var(--navy);
      color:#fff;
      text-align:center;
      text-decoration:none;
      font-weight:700;
      word-break:break-all;
    }

    .footer{
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      padding:34px 32px 44px;
      border-top:1px solid var(--line);
    }

    .company{
      display:flex;
      gap:20px;
      align-items:center;
    }

    .logo-box{
      width:88px;
      height:64px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:#eef5fb;
      color:var(--navy);
      font-weight:800;
      border:1px dashed #99b2c9;
    }

    .company h2{
      margin:0 0 6px;
      font-size:clamp(24px,3vw,36px);
      color:#111;
    }

    .company p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .contact{
      min-width:280px;
      padding-left:28px;
      border-left:1px solid #a9b5c1;
    }

    .contact strong{
      display:block;
      margin-bottom:4px;
      color:var(--navy);
    }

    .contact .tel{
      font-size:28px;
      font-weight:800;
      color:var(--navy);
      letter-spacing:.02em;
    }

    .note{
      margin:0 32px 40px;
      padding:14px 16px;
      background:#f7f9fb;
      border-left:4px solid var(--blue);
      color:#5b6876;
      font-size:13px;
    }

    @media (max-width:900px){
      .case-study{width:100%;}

      .hero{
        grid-template-columns:1fr;
      }

      .hero-copy{
        padding:28px 24px 32px;
      }

      .hero-text-area{
        width:100%;
        padding:28px 24px 32px;
        background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.98) 70%,rgba(255,255,255,0) 100%);
      }

      .hero h1{max-width:100%;}
      .hero-lead{max-width:100%;}

      .eyebrow{margin-bottom:24px}

      .hero-image{
        min-height:auto;
        aspect-ratio:16/10;
      }

      .hero-image::before{
        width:80px;
      }

      .steps{
        grid-template-columns:1fr;
      }

      .comment{
        grid-template-columns:1fr;
      }

      .comment-title{
        flex-direction:row;
        justify-content:flex-start;
        border-right:0;
        border-bottom:1px solid #9fc1df;
      }

      .person-icon{
        width:48px;
        height:48px;
      }

      .info-area{
        grid-template-columns:1fr;
      }

      .footer{
        grid-template-columns:1fr;
      }

      .contact{
        min-width:0;
        padding:20px 0 0;
        border-left:0;
        border-top:1px solid #a9b5c1;
      }
    }

    @media (max-width:560px){
      .section{padding:34px 18px}

      .hero h1{
        font-size:31px;
      }

      .hero-lead{
        font-size:15px;
      }

      .info-table,
      .info-table tbody,
      .info-table tr,
      .info-table th,
      .info-table td{
        display:block;
        width:100%;
      }

      .info-table th{
        text-align:left;
        border-bottom:0;
      }

      .info-table td{
        border-top:0;
      }

      .product-wrap{
        grid-template-columns:1fr;
      }

      .footer{
        padding:30px 18px 38px;
      }

      .company{
        align-items:flex-start;
      }

      .logo-box{
        width:64px;
        height:52px;
        flex:0 0 auto;
      }

      .note{
        margin:0 18px 30px;
      }
    }
  
    .article-back{padding:24px 32px 0}
    .article-back a{display:inline-block;color:#0b67b2;font-size:14px;font-weight:700;text-decoration:none}
    .article-back a:hover{text-decoration:underline}
    @media (max-width:767px){.article-back{padding:18px 18px 0}}

/* ===== レスポンシブ補強 ===== */
.case-study, .case-study *{box-sizing:border-box;}
@media (max-width:900px){
  .case-study{overflow:hidden;}
  .hero-text-area{max-width:100%;}
  .hero h1{font-size:clamp(30px,7vw,42px);}
}
@media (max-width:560px){
  .hero-text-area{padding:24px 18px 30px;}
  .eyebrow{font-size:14px;padding:8px 14px;margin-bottom:20px;}
  .hero h1{font-size:28px;line-height:1.45;}
}
/* ===== ページ全体の幅・リセット（サイト共通CSSとの干渉対策） ===== */
html,
body.mb80v-page {
  width: 100% !important;
  min-width: 0 !important;
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow-x: hidden;
}

body.mb80v-page *,
body.mb80v-page *::before,
body.mb80v-page *::after {
  box-sizing: border-box;
}

body.mb80v-page main.case-study {
  display: block;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
}

body.mb80v-page main.case-study img {
  max-width: 100%;
}

@media (max-width: 900px) {
  body.mb80v-page main.case-study {
    width: 100%;
    max-width: 100%;
  }
}
/* ===== Hero h1 と lead の幅を統一 ===== */

body.mb80v-page .hero-text-area h1 {
  float: none !important;
  display: block !important;
  width: 85% !important;
  max-width: 85% !important;
  clear: both;
  box-sizing: border-box;
}

body.mb80v-page .hero-text-area .hero-lead {
  display: block;
  width: 85%;
  max-width: 85%;
  clear: both;
  box-sizing: border-box;
}

/* ===== PC版も商品カードをSP版と同じ縦並びにする ===== */
@media (min-width: 901px) {

  body.mb80v-page .product-card .product-wrap {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 18px !important;
    align-items: center !important;
  }

  body.mb80v-page .product-card .product-image {
    width: 100% !important;
    height: 220px !important;
    min-height: 0 !important;
  }

  body.mb80v-page .product-card .product-wrap > ul {
    width: 100% !important;
    margin: 0 !important;
  }

}
/* ===== SP版 ヒーロー横はみ出し完全修正 ===== */
@media (max-width: 767px) {

  body.mb80v-page .hero {
    display: block !important;
    width: 100% !important;
    min-height: 0 !important;
    overflow: hidden !important;
  }

  body.mb80v-page .hero-text-area {
    width: 100% !important;
    max-width: 100% !important;
    padding: 24px 18px 30px !important;
    margin: 0 !important;
  }

  body.mb80v-page .hero-text-area h1 {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
  }

  body.mb80v-page .hero-text-area .hero-lead {
    width: 100% !important;
    max-width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }

/* ===== SPではHero画像を非表示 ===== */
/*  body.mb80v-page .hero-image {
    display: none !important;
  }*/

}

/* product-card：タイトル部分を詰める */
body.mb80v-page .product-card {
  padding-top: 6px !important;
}



/* product-card：箇条書き */
body.mb80v-page .product-card ul {
  margin-top: 16px !important;
  padding: 0 10px 0 10px !important;
  list-style: none !important;
}

/* 「・」を表示 */
body.mb80v-page .product-card li {
  display: block !important;
  position: relative;
  padding-left: 1em !important;
  margin: 0 0 4px 0 !important;
  line-height: 1.65 !important;
}

/* ・ */
body.mb80v-page .product-card li::before {
  content: "・";
  position: absolute;
  left: 0;
  top: 0;
}