:root {
      --bg: #f6f0ea;
      --bg-2: #fffaf6;
      --paper: #ffffff;
      --line: #eadfd4;
      --text: #3b2d28;
      --muted: #7b6a62;
      --brown: #6e4638;
      --brown-dark: #513228;
      --accent: #c99178;
      --accent-soft: #efe2da;
      --shadow: 0 14px 40px rgba(87, 60, 46, 0.10);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --max: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top right, rgba(201,145,120,0.11), transparent 28%),
        radial-gradient(circle at left 20%, rgba(239,226,218,0.9), transparent 24%),
        linear-gradient(180deg, #fbf7f3 0%, var(--bg) 100%);
      line-height: 1.75;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }

    .container {
      width: min(calc(100% - 32px), var(--max));
      margin: 0 auto;
    }

    header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(14px);
      background: rgba(251,247,243,0.78);
      border-bottom: 1px solid rgba(110,70,56,0.08);
    }
    .nav {
      min-height: 80px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }
    .brand img {
      height: 56px;
      width: auto;
      object-fit: contain;
    }
    .brand-name {
      font-size: 15px;
      color: var(--muted);
      letter-spacing: 0.06em;
      white-space: nowrap;
    }

    .nav-links {
      display: flex;
      gap: 26px;
      align-items: center;
      flex-wrap: wrap;
      justify-content: flex-end;
    }
    .nav-links a {
      font-size: 14px;
      color: var(--muted);
    }
    .nav-cta, .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 46px;
      padding: 0 20px;
      border-radius: 999px;
      font-weight: 700;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
      border: 0;
      cursor: pointer;
    }
    .nav-cta {
      background: var(--brown);
      color: #fff !important;
      box-shadow: 0 10px 20px rgba(81, 50, 40, 0.18);
    }
    .btn {
      background: linear-gradient(135deg, var(--brown) 0%, var(--accent) 100%);
      color: #fff;
      box-shadow: 0 12px 24px rgba(81, 50, 40, 0.16);
    }
    .btn.secondary {
      background: #fff;
      color: var(--brown-dark);
      border: 1px solid var(--line);
      box-shadow: none;
    }
    .nav-cta:hover, .btn:hover {
      transform: translateY(-1px);
    }

    section { padding: 86px 0; }

    .hero {
      padding-top: 48px;
      padding-bottom: 64px;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      align-items: center;
      gap: 44px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(255,255,255,0.72);
      border: 1px solid var(--line);
      color: var(--brown);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 18px;
    }
    h1, h2, h3 {
      margin: 0 0 14px;
      line-height: 1.25;
      letter-spacing: -0.02em;
    }
    h1 {
      font-size: clamp(30px, 5vw, 56px);
      font-weight: 800;
    }
    .hero p.lead {
      font-size: clamp(16px, 2vw, 18px);
      color: var(--muted);
      margin: 0 0 28px;
      max-width: 40em;
    }
    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 28px;
    }
    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }
    .hero-point {
      padding: 18px;
      border-radius: var(--radius-md);
      background: rgba(255,255,255,0.76);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }
    .hero-point strong {
      display: block;
      font-size: 18px;
      margin-bottom: 4px;
      color: var(--brown-dark);
    }
    .hero-point span {
      display: block;
      font-size: 13px;
      color: var(--muted);
      line-height: 1.6;
    }

    .hero-visual {
      position: relative;
    }
    .hero-card {
      background: linear-gradient(180deg, rgba(255,255,255,0.88), rgba(255,255,255,0.72));
      border: 1px solid rgba(110,70,56,0.08);
      border-radius: 34px;
      padding: 18px;
      box-shadow: var(--shadow);
    }
    .hero-card img {
      width: 100%;
      aspect-ratio: 4 / 5;
      object-fit: cover;
      border-radius: 24px;
    }
    .floating-card {
      position: absolute;
      left: -18px;
      bottom: 22px;
      background: rgba(255,250,246,0.95);
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 14px 16px;
      box-shadow: var(--shadow);
      max-width: 280px;
    }
    .floating-card small {
      display: block;
      color: var(--muted);
      font-size: 12px;
      margin-bottom: 4px;
    }
    .floating-card strong {
      font-size: 16px;
      color: var(--brown-dark);
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 42px;
    }
    .section-head .tag {
      display: inline-block;
      margin-bottom: 10px;
      color: var(--brown);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }
    .section-head p {
      margin: 0;
      color: var(--muted);
      font-size: 16px;
    }

    .services {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 22px;
    }
    .service-card {
      background: rgba(255,255,255,0.86);
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .service-card img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
    }
    .service-content {
      padding: 24px;
    }
    .service-content p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .strengths {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .strength-card {
      background: rgba(255,255,255,0.86);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow);
    }
    .strength-number {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--accent-soft);
      color: var(--brown);
      font-weight: 800;
      margin-bottom: 14px;
    }
    .strength-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .works-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 22px;
    }
    .work-main, .work-side > div {
      background: rgba(255,255,255,0.86);
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .work-main img, .work-side img {
      width: 100%;
      object-fit: cover;
    }
.work-main img { aspect-ratio: 16 / 10; }
.work_mini_img img { aspect-ratio: 16 / 12; }
    .work-side {
      display: grid;
      gap: 22px;
    }
    .work-side img { aspect-ratio: 16 / 10; }
    .work-caption {
      padding: 20px 22px 24px;
    }
    .work-caption p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .note-box {
      background: rgba(255,255,255,0.82);
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 24px;
      box-shadow: var(--shadow);
      max-width: 900px;
      margin: 0 auto;
      color: var(--muted);
      text-align: center;
    }

    .contact-wrap {
      display: grid;
      grid-template-columns: 0.9fr 1.1fr;
      gap: 24px;
      align-items: stretch;
    }
    .contact-card, .form-card {
      background: rgba(255,255,255,0.9);
      border: 1px solid var(--line);
      border-radius: 28px;
      padding: 28px;
      box-shadow: var(--shadow);
    }
    .contact-card p {
      color: var(--muted);
      margin: 0 0 20px;
    }
    .contact-list {
      display: grid;
      gap: 14px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .contact-list li {
      padding: 14px 16px;
      background: var(--bg-2);
      border: 1px solid var(--line);
      border-radius: 16px;
      color: var(--brown-dark);
      font-size: 14px;
    }

    form {
      display: grid;
      gap: 16px;
    }
    .field {
      display: grid;
      gap: 8px;
    }
    label {
      font-size: 14px;
      font-weight: 700;
      color: var(--brown-dark);
    }
    input, textarea, select {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 14px 16px;
      font: inherit;
      color: var(--text);
      background: #fff;
      outline: none;
    }
    input:focus, textarea:focus, select:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 4px rgba(201,145,120,0.15);
    }
    textarea {
      min-height: 150px;
      resize: vertical;
    }
    .form-note {
      font-size: 12px;
      color: var(--muted);
      margin: -4px 0 0;
    }
    .hidden-field {
      display: none !important;
    }

    footer {
      padding: 34px 0 48px;
      color: var(--muted);
      font-size: 13px;
    }
    .footer-inner {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      border-top: 1px solid rgba(110,70,56,0.1);
      padding-top: 24px;
      flex-wrap: wrap;
    }

    @media (max-width: 980px) {
      .hero-grid,
      .works-grid,
      .contact-wrap,
      .services,
      .strengths {
        grid-template-columns: 1fr;
      }
      .hero {
        padding-top: 28px;
      }
      .floating-card {
        position: static;
        margin-top: 14px;
        max-width: none;
      }
      .hero-points {
        grid-template-columns: 1fr;
      }
      .contact-wrap {
        gap: 18px;
      }
    }

    @media (max-width: 760px) {
      .container {
        width: min(calc(100% - 24px), var(--max));
      }
      header {
        position: static;
      }
      .nav {
        min-height: auto;
        padding: 14px 0;
        flex-direction: column;
        align-items: stretch;
      }
      .brand {
        justify-content: center;
      }
      .brand img {
        height: 50px;
      }
      .nav-links {
        justify-content: center;
        gap: 12px 18px;
      }
      .nav-links a {
        font-size: 13px;
      }
      .nav-cta {
        width: 100%;
      }
      section {
        padding: 60px 0;
      }
      .hero {
        padding-bottom: 46px;
      }
      .hero-actions {
        display: grid;
        grid-template-columns: 1fr;
      }
      .btn, .btn.secondary {
        width: 100%;
      }
      .hero-point,
      .service-content,
      .strength-card,
      .work-caption,
      .contact-card,
      .form-card {
        padding-left: 18px;
        padding-right: 18px;
      }
      h2 {
        font-size: 28px;
      }
}
#scrollTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;

  width: 52px;
  height: 52px;
  border-radius: 50%;

  background: #c99178;
  color: white;
  border: none;

  font-size: 18px;
  cursor: pointer;

  /* 最初は見えない */
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;

  /* アニメーション */
  transition: all 0.4s ease;

  box-shadow: 0 10px 25px rgba(110, 70, 56, 0.2);
  z-index: 999;
}

/* 表示状態 */
#scrollTopBtn.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ホバーでふわっと */
#scrollTopBtn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(110, 70, 56, 0.25);
}

.cute_links.small {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.cute_links.small a {
  display: flex;
  align-items: center;
  gap: 10px;

  padding: 10px 14px;
  background: rgba(255, 250, 246, 0.85);
  border: 1px solid #eadfd4;
  border-radius: 14px;

  color: #5a372c;
  text-decoration: none;

  box-shadow: 0 4px 12px rgba(110, 70, 56, 0.06);
  transition: all 0.2s ease;
}

/* ホバー */
.cute_links.small a:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(110, 70, 56, 0.1);
}

/* アイコン */
.cute_links.small .icon {
  width: 32px;
  height: 32px;
  min-width: 32px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;
  background: linear-gradient(135deg, #f3ddd0 0%, #f8eee7 100%);
  color: #6e4638;
  font-size: 14px;
}

/* テキスト */
.cute_links.small .text {
  font-size: 14px;
  font-weight: 500;
}

/* 準備中 */
.cute_links.small .is_comingsoon a {
  opacity: 0.6;
  cursor: default;
}
.cute_links.small .is_comingsoon a:hover {
  transform: none;
  box-shadow: 0 4px 12px rgba(110, 70, 56, 0.06);
}