:root {
      --corporate: #0A2463;
      --accent: #E58100;
      --bg-base: #F7F9FC;
      --bg-section: #FFFFFF;
      --bg-dark: #1A2A40;
      --text-main: #333333;
      --text-dark: #1A1A1A;
      --text-light: #F0F0F0;
      --border-light: #E5EAF1;
      --flow-bg: #F7F9FC;
    }

    body {
      font-family: 'Noto Sans JP', sans-serif;
      color: var(--text-main);
      background-color: var(--bg-base);
      scroll-behavior: smooth;
    }

    .bg-corporate { background-color: var(--corporate); }
    .text-corporate { color: var(--corporate); }
    .bg-accent { background-color: var(--accent); }
    .text-accent { color: var(--accent); }
    .text-white { color: #ffffff; }

    .title-underline {
      width: 60px;
      height: 3px;
      background: linear-gradient(to right, #2563eb, #ef4444);
      margin: 0 auto;
    }

    .trouble-item {
      border-bottom: 1px dotted #c7d0dc;
      transition: all 0.3s ease;
    }

    .reason-number {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--corporate);
      line-height: 1;
      margin-bottom: 1rem;
      display: block;
      opacity: 0.8;
    }

    .flow-card {
      background-color: var(--flow-bg);
      border-radius: 1.5rem;
      display: flex;
      align-items: center;
      padding: 2.5rem;
      transition: all 0.3s ease;
      border: 1px solid transparent;
    }
    .flow-card:hover {
      transform: translateY(-5px);
      background-color: #FFFFFF;
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
      border-color: var(--border-light);
    }
    @media (max-width: 768px) {
      .flow-card {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1.5rem;
      }
    }

    .flow-step-label {
      font-weight: 700;
      color: #5d8fd1;
      font-size: 1.1rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      margin-bottom: 0.25rem;
      display: block;
    }

    .flow-arrow {
      display: flex;
      justify-content: center;
      padding: 1rem 0;
      color: #CBD5E0;
    }

    details summary::-webkit-details-marker { display: none; }
    details[open] summary svg { transform: rotate(180deg); }

    .glass {
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
    }

    .hover-accent:hover {
      background-color: #B39359;
      transition: background-color 0.3s ease;
    }

    .leading-loose {
      line-height: 2.2;
    }
    @media (max-width: 768px) {
      .leading-loose {
        line-height: 1.8;
        font-size: 0.95rem;
      }
    }

    .trust-simple-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: 8px;
      padding: 2rem;
      transition: border-color 0.3s ease;
    }
    .trust-simple-card:hover {
      border-color: var(--accent);
    }

    .stat-number {
      color: var(--corporate);
      font-family: 'Noto Sans JP', sans-serif;
      font-weight: 900;
    }

    .cta-premium-section {
      background: linear-gradient(180deg, #EEF3FF 0%, var(--bg-base) 100%);
      position: relative;
      overflow: hidden;
    }

    .cta-glow {
      position: absolute;
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(201, 166, 107, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      pointer-events: none;
    }

    .concern-tag {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      padding: 1.25rem 2rem;
      border-radius: 1.5rem;
      font-weight: 700;
      color: var(--text-dark);
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
      transition: all 0.3s ease;
    }

    .method-icon-box {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.75rem;
      color: var(--text-main);
    }

    .btn-center-focus {
      background: var(--corporate);
      color: white;
      padding: 1.5rem 5rem;
      border-radius: 1.25rem;
      font-weight: 900;
      font-size: 1.5rem;
      transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
      box-shadow: 0 20px 40px -10px rgba(10, 36, 99, 0.3);
    }
    .btn-center-focus:hover {
      transform: scale(1.05) translateY(-2px);
      box-shadow: 0 30px 60px -12px rgba(10, 36, 99, 0.4);
      background: #152d6a;
    }
    @keyframes shimmer {
      100% { transform: translateX(100%); }
    }
    /* もしTailwind環境でない場合や、既存のスタイルと干渉する場合の補完 */
    .whitespace-nowrap {
      white-space: nowrap;
    }
    /* ホバー時の挙動をより滑らかにするための追加（denwa.cssのtransition設定を反映） */
.transition-all {
    transition-property: all;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 300ms;
}

.transition-colors {
    transition-property: background-color, border-color, color, fill, stroke;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 300ms;
}
.supervisor-card {
  display: flex;
  align-items: center;
  gap: 3rem;
  background: var(--bg-base);
  border: 1px solid var(--border-light);
  border-radius: 2rem;
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(10, 36, 99, 0.05);
}

.supervisor-photo-wrap {
  flex: 0 0 220px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.supervisor-photo {
  width: 220px;
  height: 220px;
  object-fit: cover;
  object-position: center top;
  border-radius: 9999px;
  border: 6px solid #ffffff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.supervisor-content {
  flex: 1 1 auto;
}

.supervisor-name {
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1.4;
  color: var(--text-dark);
  margin: 0 0 0.75rem;
}

.supervisor-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--corporate);
  margin: 0 0 1.5rem;
}

.supervisor-profile {
  font-size: 1rem;
  line-height: 2;
  color: #4b5563;
  margin: 0;
}

@media (max-width: 768px) {
  .supervisor-card {
    flex-direction: column;
    align-items: center;
    text-align: left;
    gap: 2rem;
    padding: 2rem 1.5rem;
    border-radius: 1.5rem;
  }

  .supervisor-photo-wrap {
    flex: none;
  }

  .supervisor-photo {
    width: 180px;
    height: 180px;
  }

  .supervisor-content {
    width: 100%;
  }

  .supervisor-name {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
  }

  .supervisor-title {
    font-size: 1rem;
    margin-bottom: 1rem;
  }

  .supervisor-profile {
    font-size: 0.95rem;
    line-height: 1.9;
  }
}

/* 経理代行導入ガイドブック CTA画像 */
.guidebook-banner-wrap {
  max-width: 1040px;
  margin: 2.5rem auto 3rem;
  padding: 0 1rem;
}

.guidebook-banner-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 18px 45px rgba(10, 36, 99, 0.16);
  border: 1px solid rgba(229, 234, 241, 0.9);
}

/* スマホ対応 */
@media (max-width: 768px) {
  .guidebook-banner-wrap {
    margin: 1.8rem auto 2.4rem;
    padding: 0 0.75rem;
  }

  .guidebook-banner-img {
    border-radius: 16px;
    box-shadow: 0 12px 28px rgba(10, 36, 99, 0.14);
  }
}