:root {
      --green: #005743;
      --green-dark: #002830;
      --green-soft: #e9f2ef;
      --ink: #092b34;
      --muted: #617478;
      --line: #dce5e2;
      --paper: #f8fbfa;
      --gold: #caa23a;
      --shadow: 0 16px 42px rgba(0, 40, 48, 0.10);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
      background: #fff;
      font-size: 15px;
      font-weight: 500;
      line-height: 1.78;
      letter-spacing: 0;
    }

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

    a {
      color: inherit;
      text-decoration: none;
    }

    header {
      position: sticky;
      top: 0;
      z-index: 20;
      border-bottom: 1px solid rgba(0, 40, 48, 0.12);
      background: rgba(255, 255, 255, 0.97);
      backdrop-filter: blur(12px);
    }

    .nav {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: space-between;
      max-width: 1180px;
      min-height: 68px;
      margin: 0 auto;
      padding: 0 24px;
      gap: 24px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      line-height: 1.2;
    }

    .brand-mark {
      display: grid;
      width: 38px;
      height: 38px;
      border: 2px solid var(--green);
      border-radius: 50%;
      color: var(--green);
      font-size: 20px;
      place-items: center;
    }

    .brand-text {
      display: grid;
      gap: 2px;
    }

    .brand-main {
      font-weight: 800;
      font-size: 19px;
      letter-spacing: 0;
    }

    .brand-sub {
      color: var(--muted);
      font-size: 11px;
      font-weight: 600;
      letter-spacing: 0.03em;
    }

    .nav-links {
      display: flex;
      gap: 24px;
      color: #183b42;
      font-size: 13px;
      font-weight: 800;
    }

    .nav-toggle {
      position: absolute;
      inline-size: 1px;
      block-size: 1px;
      opacity: 0;
      pointer-events: none;
    }

    .menu-button {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 4px;
      background: #fff;
      cursor: pointer;
      place-items: center;
    }

    .menu-backdrop {
      display: none;
    }

    .menu-button span,
    .menu-button::before,
    .menu-button::after {
      content: "";
      display: block;
      width: 20px;
      height: 2px;
      border-radius: 999px;
      background: var(--green-dark);
      transition: transform 0.2s ease, opacity 0.2s ease;
    }

    .menu-button span {
      margin: 5px 0;
    }

    .nav-links a {
      padding: 8px 0;
    }

    .section {
      padding: 68px 24px;
    }

    .wrap {
      max-width: 1180px;
      margin: 0 auto;
    }

    .hero {
      position: relative;
      padding: 0;
      overflow: hidden;
      background: #fff;
      margin-top: -1px;
    }

    .hero-frame {
      position: relative;
      width: 100%;
      max-width: 1792px;
      margin: 0 auto;
      background: #fff;
    }

    .hero-frame picture,
    .hero-frame img {
      display: block;
      width: 100%;
    }

    .hero-hotspot {
      position: absolute;
      z-index: 5;
      display: block;
      border-radius: 6px;
      outline-offset: 4px;
    }

    .hero-hotspot:hover,
    .hero-hotspot:focus-visible {
      box-shadow: 0 0 0 3px rgba(0, 87, 67, 0.30);
    }

    .hero-hotspot.contact {
      left: 4.7%;
      top: 61.7%;
      width: 15.9%;
      height: 9.0%;
    }

    .hero-hotspot.company {
      left: 21.9%;
      top: 61.7%;
      width: 17.0%;
      height: 9.0%;
    }

    .eyebrow {
      position: relative;
      display: inline-block;
      margin: 0 0 12px;
      padding-bottom: 8px;
      color: var(--green);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: 0.04em;
      text-transform: uppercase;
    }

    .eyebrow::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 0;
      width: 36px;
      height: 2px;
      background: var(--gold);
      transform: translateX(-50%);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      margin-bottom: 22px;
      font-size: clamp(42px, 5vw, 72px);
      font-weight: 800;
      line-height: 1.18;
      letter-spacing: 0;
    }

    h2 {
      margin-bottom: 12px;
      font-size: clamp(28px, 2.6vw, 40px);
      font-weight: 700;
      line-height: 1.35;
      letter-spacing: 0;
      text-align: center;
    }

    .business h1 {
      margin-bottom: 12px;
      font-size: clamp(28px, 2.6vw, 40px);
      font-weight: 700;
      line-height: 1.35;
      text-align: center;
    }

    h3 {
      margin-bottom: 10px;
      font-size: 20px;
      font-weight: 800;
      line-height: 1.35;
    }

    .lead {
      color: #2b4b51;
      font-size: 15px;
      font-weight: 500;
      line-height: 1.85;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 50px;
      padding: 0 22px;
      border: 1px solid var(--green);
      border-radius: 4px;
      color: var(--green);
      font-weight: 800;
      background: rgba(255, 255, 255, 0.86);
    }

    .button.primary {
      color: #fff;
      background: var(--green);
      box-shadow: 0 14px 30px rgba(0, 87, 67, 0.20);
    }

    .center {
      max-width: 760px;
      margin: 0 auto 30px;
      text-align: center;
    }

    .business {
      background:
        linear-gradient(180deg, #fff 0%, #f8fbfa 100%);
    }

    .business-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 280px;
      gap: 18px;
      align-items: stretch;
    }

    .cards {
      display: grid;
      grid-template-columns: 1fr;
      gap: 14px;
    }

    .card {
      display: grid;
      grid-template-columns: 56px minmax(0, 1fr);
      gap: 16px;
      align-items: start;
      min-height: auto;
      padding: 20px 22px;
      border: 1px solid var(--line);
      border-radius: 7px;
      background: #fff;
      box-shadow: 0 12px 32px rgba(0, 40, 48, 0.055);
    }

    .card-icon {
      display: grid;
      width: 56px;
      height: 56px;
      margin-bottom: 0;
      border-radius: 50%;
      color: var(--green);
      background: var(--green-soft);
      font-size: 27px;
      place-items: center;
    }

    .card h3 {
      margin-bottom: 6px;
      font-size: 18px;
    }

    .card p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .business-visual {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 7px;
      background: #fff;
      box-shadow: var(--shadow);
    }

    .business-visual img {
      width: 100%;
      height: 100%;
      min-height: 222px;
      object-fit: cover;
    }

    .business-flow {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 0;
      margin-top: 20px;
      border: 1px solid var(--line);
      border-radius: 7px;
      background: #fff;
      overflow: hidden;
    }

    .flow-item {
      padding: 16px 14px;
      border-right: 1px solid var(--line);
      text-align: center;
    }

    .flow-item:last-child {
      border-right: 0;
    }

    .flow-item i {
      display: block;
      margin-bottom: 8px;
      color: var(--green);
      font-size: 22px;
    }

    .flow-item strong {
      display: block;
      margin-bottom: 2px;
      color: var(--ink);
      font-size: 13px;
    }

    .flow-item span {
      display: block;
      color: var(--muted);
      font-size: 11px;
      line-height: 1.5;
    }

    .card p,
    .product p,
    td,
    th,
    .meta,
    .footer,
    .contact-box {
      font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
    }

    .products-section,
    .company-section {
      background: linear-gradient(180deg, #fff 0%, var(--paper) 100%);
    }

    .products-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      margin-bottom: 22px;
    }

    .product {
      overflow: hidden;
      border: 1px solid var(--line);
      border-radius: 7px;
      background: #fff;
      box-shadow: 0 14px 30px rgba(0, 40, 48, 0.065);
    }

    .product-media {
      aspect-ratio: 4 / 3;
      overflow: hidden;
      background: #eef5f3;
    }

    .product-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .product-media.paprika img {
      object-position: 76% 54%;
    }

    .product-body {
      padding: 14px 16px 16px;
      text-align: center;
    }

    .product-body p {
      margin-bottom: 0;
      color: var(--muted);
      font-size: 13px;
    }

    .table-wrap {
      border: 1px solid var(--line);
      border-radius: 7px;
      background: #fff;
      overflow: hidden;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
    }

    th,
    td {
      padding: 12px 14px;
      border-bottom: 1px solid var(--line);
      text-align: left;
      vertical-align: top;
      line-height: 1.75;
    }

    th {
      width: 150px;
      color: var(--green-dark);
      background: #edf5f2;
      font-weight: 800;
    }

    tr:last-child th,
    tr:last-child td {
      border-bottom: 0;
    }

    .strength {
      padding: 0;
      background: linear-gradient(90deg, #f7fbfa 0%, #fff 100%);
    }

    .strength-grid {
      display: grid;
      grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.35fr) minmax(220px, 0.62fr);
      align-items: center;
      max-width: 1180px;
      margin: 0 auto;
      padding: 34px 24px;
      gap: 20px;
    }

    .strength-copy {
      display: grid;
      align-content: center;
      padding: 0;
      background: transparent;
    }

    .strength-copy h2 {
      text-align: left;
      margin-bottom: 10px;
      font-size: clamp(25px, 2.1vw, 34px);
    }

    .strength-copy .lead {
      margin-bottom: 0;
      font-size: 14px;
      line-height: 1.8;
    }

    .strength-list {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin-top: 0;
    }

    .strength-item {
      display: grid;
      grid-template-columns: 44px minmax(0, 1fr);
      gap: 10px;
      align-items: start;
      padding: 0 16px;
      border-left: 1px solid var(--line);
      font-size: 13px;
      line-height: 1.65;
    }

    .strength-item strong {
      font-size: 15px;
    }

    .strength-num {
      display: grid;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      color: #fff;
      background: var(--green);
      font-size: 16px;
      place-items: center;
    }

    .strength-photo img {
      width: 100%;
      height: 100%;
      min-height: 150px;
      object-fit: cover;
      border-radius: 7px;
    }

    .company-grid {
      display: grid;
      grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
      gap: 28px;
      align-items: start;
    }

    .company-grid h2 {
      text-align: left;
    }

    .company-table th {
      width: 118px;
      white-space: nowrap;
    }

    .company-visual {
      overflow: hidden;
      margin-top: 18px;
      border: 1px solid var(--line);
      border-radius: 7px;
      box-shadow: var(--shadow);
    }

    .company-visual img {
      width: 100%;
      height: auto;
    }

    .contact-section {
      background: #fff;
    }

    .contact-grid {
      max-width: 820px;
      margin: 0 auto;
      text-align: center;
    }

    .contact-copy h2 {
      text-align: center;
    }

    .contact-cards {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }

    .contact-box {
      padding: 18px 20px;
      border: 1px solid var(--line);
      border-radius: 7px;
      background: var(--paper);
    }

    .contact-label {
      margin-bottom: 4px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .contact-number {
      margin: 0;
      color: var(--green);
      font-size: 28px;
      font-weight: 900;
      line-height: 1.25;
    }

    .hero-note {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin: 18px 0 0;
      color: var(--green-dark);
      font-size: 14px;
      font-weight: 700;
    }

    footer {
      color: #fff;
      background: linear-gradient(135deg, var(--green-dark), #002d34);
    }

    .footer {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) minmax(0, 1fr);
      gap: 20px;
      max-width: 1180px;
      margin: 0 auto;
      padding: 26px 24px;
      font-size: 14px;
      align-items: center;
    }

    .small {
      color: rgba(255, 255, 255, 0.72);
      font-size: 12px;
    }

    .footer-actions {
      display: grid;
      justify-items: end;
      gap: 10px;
    }

    .back-to-top {
      position: fixed;
      right: 18px;
      bottom: 18px;
      z-index: 40;
      display: inline-grid;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border: 1px solid rgba(255, 255, 255, 0.70);
      border-radius: 50%;
      color: #fff;
      font-size: 16px;
      background: rgba(0, 87, 67, 0.92);
      box-shadow: 0 12px 28px rgba(0, 40, 48, 0.22);
      opacity: 0;
      pointer-events: none;
      transform: translateY(10px);
      transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
    }

    .back-to-top.is-visible {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }

    .back-to-top:hover,
    .back-to-top:focus-visible {
      background: var(--green-dark);
    }

    @media (max-width: 920px) {
      .nav-links {
        display: none;
      }

      .menu-button {
        position: relative;
        z-index: 35;
        display: grid;
      }

      .nav-toggle:checked ~ .menu-backdrop {
        position: fixed;
        inset: 0;
        z-index: 25;
        display: block;
        cursor: default;
      }

      .nav-toggle:focus-visible + .menu-button {
        outline: 3px solid rgba(0, 87, 67, 0.30);
        outline-offset: 3px;
      }

      .nav-toggle:checked + .menu-button span {
        opacity: 0;
      }

      .nav-toggle:checked + .menu-button::before {
        transform: translateY(7px) rotate(45deg);
      }

      .nav-toggle:checked + .menu-button::after {
        transform: translateY(-7px) rotate(-45deg);
      }

      .nav-toggle:checked ~ .nav-links {
        position: absolute;
        right: 18px;
        top: calc(100% - 6px);
        z-index: 36;
        display: grid;
        min-width: 210px;
        padding: 10px;
        border: 1px solid rgba(0, 40, 48, 0.12);
        border-radius: 7px;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 18px 42px rgba(0, 40, 48, 0.14);
      }

      .nav-toggle:checked ~ .nav-links a {
        padding: 11px 12px;
        border-radius: 4px;
      }

      .nav-toggle:checked ~ .nav-links a:hover,
      .nav-toggle:checked ~ .nav-links a:focus-visible {
        background: var(--green-soft);
      }

      .hero {
        padding: 0;
      }

      h1 {
        font-size: 40px;
      }

      .section {
        padding: 44px 18px;
      }

      .center {
        margin-bottom: 24px;
      }

      .cards,
      .strength-grid,
      .company-grid,
      .footer {
        grid-template-columns: 1fr;
      }

      .footer-actions {
        justify-items: start;
      }

      .products-grid,
      .contact-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .cards {
        gap: 14px;
      }

      .business-panel {
        grid-template-columns: 1fr;
        gap: 14px;
      }

      .business-visual {
        order: 2;
      }

      .business-visual img {
        height: 160px;
        min-height: 0;
      }

      .business-flow {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        margin-top: 16px;
      }

      .flow-item:nth-child(2) {
        border-right: 0;
      }

      .flow-item:nth-child(-n + 2) {
        border-bottom: 1px solid var(--line);
      }

      .card {
        padding: 18px 20px;
      }

      .card-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 12px;
        font-size: 23px;
      }

      .strength-photo img {
        height: 160px;
        min-height: 0;
      }

      .company-visual {
        margin-top: 16px;
      }
    }

    @media (max-width: 720px) {
      .hero-hotspot.contact {
        left: 17.8%;
        top: 79.6%;
        width: 61.8%;
        height: 6.8%;
      }

      .hero-hotspot.company {
        left: 17.8%;
        top: 87.6%;
        width: 61.8%;
        height: 6.2%;
      }
    }

    @media (max-width: 560px) {
      .nav {
        min-height: 60px;
        padding: 0 18px;
      }

      .brand-main {
        font-size: 17px;
      }

      .brand-mark {
        width: 36px;
        height: 36px;
        font-size: 19px;
      }

      .contact-cards,
      .products-grid {
        grid-template-columns: 1fr;
      }

      .section {
        padding: 34px 16px;
      }

      .center {
        margin-bottom: 20px;
      }

      .lead {
        font-size: 14px;
        line-height: 1.75;
      }

      .products-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
        margin-bottom: 16px;
      }

      .business-panel {
        gap: 12px;
      }

      .business-visual img {
        height: 120px;
        min-height: 0;
      }

      .card {
        grid-template-columns: 44px minmax(0, 1fr);
        gap: 12px;
        padding: 16px;
      }

      .card-icon {
        width: 44px;
        height: 44px;
        font-size: 20px;
      }

      .business-flow {
        margin-top: 14px;
      }

      .flow-item {
        padding: 12px 10px;
      }

      .product-media {
        aspect-ratio: 1.15 / 1;
      }

      .product-body {
        padding: 10px 8px 12px;
      }

      .product-body h3 {
        margin-bottom: 4px;
        font-size: 15px;
      }

      .product-body p {
        font-size: 11px;
        line-height: 1.55;
      }

      .table-wrap {
        margin-top: 2px;
      }

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

      tr {
        border-bottom: 1px solid var(--line);
      }

      tr:last-child {
        border-bottom: 0;
      }

      th {
        padding: 9px 12px 7px;
        border-bottom: 0;
      }

      td {
        padding: 0 12px 11px;
        border-bottom: 0;
      }

      .company-table th {
        width: 100%;
        white-space: normal;
      }

      .strength-copy {
        padding: 0;
      }

      .strength-list {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 16px;
      }

      .strength-grid {
        padding: 32px 16px;
      }

      .strength-item {
        padding: 0;
        border-left: 0;
      }

      .strength-photo {
        display: none;
      }

      .company-visual {
        display: none;
      }

      .contact-cards {
        gap: 10px;
        margin-top: 14px;
      }

      .contact-box {
        padding: 15px 16px;
      }

      h1 {
        font-size: 34px;
      }

      h2 {
        font-size: 26px;
      }

      .contact-number {
        font-size: 24px;
      }

    }