<style>
    /* ------------------------------
       Base
    ------------------------------ */
    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN",
        "MS PMincho", serif;          /* 游明朝ベース */
      color: #333;
      line-height: 1.9;
      background-color: #fff;
      font-size: 14px;               /* 本文基準 14px */
    }

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

    .section {
      width: 100%;
      position: relative;
      overflow: hidden;
    }

    .inner {
      max-width: 700px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ------------------------------
       スクロール時のふわっとアニメ
    ------------------------------ */
    .animate-on-scroll {
      opacity: 0;
      transition: opacity .8s ease, transform .8s ease;
    }

    .animate-from-bottom {
      transform: translateY(40px);
    }

    .animate-from-left {
      transform: translateX(-40px);
    }

    .animate-from-right {
      transform: translateX(40px);
    }

    .section.is-visible .animate-on-scroll {
      opacity: 1;
      transform: translate(0, 0);
    }

/* ------------------------------
   共通：薄いアニメーション・グラデーション
   Color Palette: #AAB99A #D0DDD0 #F0F0D7 + 白
------------------------------ */
.soft-gradient {
  background-image: radial-gradient(
      circle at 10% 20%,
      rgba(240, 240, 215, 0.9),      /* #F0F0D7 */
      rgba(240, 240, 215, 0.0) 40%
    ),
    radial-gradient(
      circle at 80% 0%,
      rgba(208, 221, 208, 0.85),     /* #D0DDD0 */
      rgba(208, 221, 208, 0.0) 65%
    ),
    radial-gradient(
      circle at 20% 90%,
      rgba(170, 185, 154, 0.6),      /* #AAB99A */
      rgba(170, 185, 154, 0.0) 70%
    ),
    linear-gradient(
      135deg,
      #ffffff 0%,
      #f7f7ee 40%,
      #f5f8f4 70%,
      #ffffff 100%
    );
  background-size: 220% 220%;
  animation: gradientMove 5s ease-in-out infinite;
}

@keyframes gradientMove {
  0% {
    background-position: 0% 0%;
  }
  25% {
    background-position: 80% 10%;
  }
  50% {
    background-position: 10% 90%;
  }
  75% {
    background-position: 100% 60%;
  }
  100% {
    background-position: 0% 0%;
  }
}


    /* ------------------------------
       HERO
    ------------------------------ */
    .hero {
      background-color: #fff;
      padding-top: 18px;
      padding-bottom: 70px;
    }

    .hero-header {
      display: flex;
      align-items: center;
    }

    .hero-logo {
      width: 140px;          /* suclogo.svg の表示サイズ */
    }

    .hero-main {
      margin-top: 40px;
      display: flex;
      justify-content: center;
      gap: 28px;
      align-items: flex-start;
    }

    /* 左側キャッチコピー（縦書き） */
    .hero-catch {
      writing-mode: vertical-rl;
      text-orientation: mixed;
      font-size: 18px;       /* 見出し用に少し大きめ */
      font-weight: 500;
      letter-spacing: 0.15em;
      line-height: 1.6;
      white-space: nowrap;
    }

    /* 中央ダイヤ：KV.png */
    .hero-diamond-parallax {
      width: 260px;
      will-change: transform;
    }

    .hero-diamond-float {
      animation: float 6s ease-in-out infinite;
    }

    .hero-diamond-img {
      width: 100%;
    }

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50%      { transform: translateY(-12px); }
    }

    /* 右側 scroll line */
    .hero-scroll {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      margin-top: 12px;
      font-size: 10px;
      color: #999;
      font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue",
        "Noto Sans JP", sans-serif;
    }

    .hero-scroll-label {
      writing-mode: vertical-rl;
      letter-spacing: 0.15em;
      text-transform: uppercase;
    }

    .hero-scroll-line {
      position: relative;
      width: 1px;
      height: 210px;
      background-color: #d0d0d0;
    }

    .hero-scroll-line::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      border: 1px solid #d0d0d0;
      transform: translateX(-50%);
      background-color: #fff;
    }

    /* ------------------------------
       ABOUT US（グラデ帯：animated）
    ------------------------------ */
    .about {
      padding: 26px 0 30px;
    }

    .about-inner {
      display: flex;
      align-items: flex-start;
      gap: 40px;
    }

    .about-title-img {
      width: 140px;
      flex-shrink: 0;
      margin: auto;
    }

    .about-text {
      font-size: 1.3em;
      line-height: 2em;
    }
    @media (max-width: 768px) {
    .about-text {
      font-size: 1.3em;
      line-height: 2.8em;
        }
      }

    /* ------------------------------
       OUR SERVICES（白背景）
    ------------------------------ */
    .services {
      background-color: #fff;
      padding: 70px 0 48px;
    }

    .services-inner {
      max-width: 700px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .services-heading-img {
      width: 100%;
      max-width: 540px;
      margin-bottom: 18px;
    }

    .services-list {
      list-style: none;
      margin: 0;
      padding: 0 0 0 12px;
      font-size: 1.3em;
      line-height: 2em;
      margin-top: 40px;
    }
    @media (max-width: 768px) {
    .services-list {
      font-size: 1.2em;
      line-height: 2.8em;
        }
      }
    .services-list li {
      position: relative;
      padding-left: 1em;
      margin-bottom: 4px;
    }

    .services-list li::before {
      content: "・";
      position: absolute;
      left: 0;
    }

    /* ------------------------------
       MESSAGE（上：固定グラデ／下：濃い帯）
    ------------------------------ */
    .message-top {
      background: linear-gradient(90deg, #e4efe5 0%, #dde7dd 55%, #dde7dd 100%);
      background-attachment: fixed;
      padding: 40px 0 46px;
    }

    .message-top-inner {
      display: flex;
      align-items: flex-start;
      gap: 36px;
    }

    .message-body {
      font-size: 1.3em;
      flex: 1;
      line-height: 3em;
    }
    @media (max-width: 768px) {
    .message-body {
      font-size: 1.2em;
      line-height: 2.8em;
        }
      }
    .message-body p {
      margin: 0 0 1em;
    }

    .message-heading-img {
      width: 90px;
      flex-shrink: 0;
    }

    .message-bottom {
      background-color: #a0aa9e;
      padding: 40px 0 48px;
      color: #ffffff;
      text-align: center;
    }

    .message-bottom-inner {
      max-width: 700px;
      margin: 0 auto;
      padding: 0 24px;
      font-size: 1.3em;
      line-height: 3em;
    }
    @media (max-width: 768px) {
    .message-bottom-inner {
      font-size: 1.2em;
      line-height: 2.8em;
        }
      }

    .message-bottom-inner p {
      margin: 0 0 0.6em;
    }

    .message-bottom-sign {
      margin-top: 14px;
      font-size: 12px;
      text-align: right;
    }

    /* ------------------------------
       CORPORATE PROFILE（白背景）
    ------------------------------ */
    .profile {
      background-color: #ffffff;
      padding: 64px 0 80px;
    }

    .profile-inner {
      max-width: 700px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .profile-title-img {
      width: 280px;
      margin: 0 auto 32px;
    }

    .profile-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
    }

    .profile-table th,
    .profile-table td {
      padding: 4px 0;
      vertical-align: top;
      text-align: left;
    }

    .profile-table th {
      width: 20%;
      font-weight: 600;
      color: #657568;
      padding-right: 10px;
      white-space: nowrap;
    }

    .profile-table td {
      width: 80%;
    }
    .profile-table td .business-list {
      margin: 0;
      padding-left: 1.5em;  /* 数字と本文のインデント */
    }

    .profile-table td .business-list li {
      margin-bottom: 0.3em;
    } 

    /* ------------------------------
       FOOTER VISUAL + COPYRIGHT
       （ここも animated gradient）
    ------------------------------ */
    .footer-visual {
      padding: 34px 0 40px;
      text-align: center;
    }

    .footer-logo-img {
      width: 200px;
      margin: 0 auto;
    }

    .footer-copy {
      background-color: #ffffff;
      padding: 10px 0 16px;
      font-size: 10px;
      text-align: center;
      color: #777;
      font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue",
        "Noto Sans JP", sans-serif;
    }

    /* ------------------------------
       Responsive
    ------------------------------ */
    @media (max-width: 768px) {
      .inner {
        padding: 0 16px;
      }

      .hero {
        padding-bottom: 50px;
      }

      .hero-main {
        gap: 18px;
      }

      .hero-catch {
        font-size: 16px;
      }

      .hero-diamond-parallax {
        width: 220px;
      }

      .hero-scroll-line {
        height: 160px;
      }

      .about-inner {
        gap: 24px;
      }

      .services {
        padding: 56px 0 40px;
      }

      .message-top-inner {
        gap: 24px;
      }
    }

    @media (max-width: 480px) {
      .hero-main {
        gap: 12px;
      }

      .hero-catch {
        font-size: 14px;
      }

      .hero-diamond-parallax {
        width: 190px;
      }

      .services-heading-img {
        margin-bottom: 14px;
      }
    }
    /* スマホ専用改行 */
    br.sp {
      display: none;
    }

    @media (max-width: 768px) {
      br.sp {
        display: inline;
      }
    }

    /* PC専用改行も使いたい場合はオプションで */
    br.pc {
      display: inline;
    }
    @media (max-width: 768px) {
      br.pc {
        display: none;
      }
    }

  </style>