#fcs-app,
  #fcs-app * { box-sizing: border-box; }
  #fcs-app {
    --fcs-main: #327c71;
    --fcs-dark: #245b53;
    --fcs-accent: #f2a93b;
    --fcs-bg: #f3faf8;
    --fcs-line: #cfe4df;
    max-width: 760px;
    margin: 28px auto;
    color: #27312f;
    font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  }
  #fcs-app .fcs-heading {
    padding: 26px 22px 22px;
    color: #fff;
    text-align: center;
    background: linear-gradient(135deg, var(--fcs-main), var(--fcs-dark));
    border-radius: 16px 16px 0 0;
  }
  #fcs-app .fcs-label {
    display: inline-block;
    margin-bottom: 10px;
    padding: 5px 12px;
    color: #573b0d;
    font-size: 13px;
    font-weight: 700;
    background: #ffd88a;
    border-radius: 999px;
  }
  #fcs-app .fcs-heading h2 {
    margin: 0 0 10px;
    color: #fff;
    font-size: clamp(22px, 5vw, 30px);
    line-height: 1.4;
  }
  #fcs-app .fcs-heading p { margin: 0; font-size: 15px; line-height: 1.8; }
  #fcs-app .fcs-form {
    padding: 24px;
    background: #fff;
    border: 1px solid var(--fcs-line);
    border-top: 0;
    box-shadow: 0 8px 22px rgba(36, 91, 83, .08);
  }
  #fcs-app .fcs-field { margin-bottom: 21px; }
  #fcs-app .fcs-field label {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
    font-weight: 700;
  }
  #fcs-app input[type="date"],
  #fcs-app select {
    display: block;
    width: 100%;
    min-height: 50px;
    padding: 10px 12px;
    color: #27312f;
    font-size: 16px;
    background: #fff;
    border: 2px solid #c7d8d4;
    border-radius: 9px;
  }
  #fcs-app input:focus,
  #fcs-app select:focus {
    border-color: var(--fcs-main);
    outline: 3px solid rgba(50, 124, 113, .14);
  }
  #fcs-app .fcs-field small {
    display: block;
    margin-top: 7px;
    color: #64716f;
    font-size: 12px;
    line-height: 1.6;
  }
  #fcs-app .fcs-check {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin: 4px 0 22px;
    padding: 13px;
    font-weight: 600;
    background: var(--fcs-bg);
    border-radius: 9px;
    cursor: pointer;
  }
  #fcs-app .fcs-check input { width: 19px; height: 19px; margin-top: 2px; accent-color: var(--fcs-main); }
  #fcs-app .fcs-error { margin: 0 0 12px; color: #b3261e; font-weight: 700; }
  #fcs-app .fcs-error:empty { display: none; }
  #fcs-app .fcs-submit {
    width: 100%;
    min-height: 56px;
    padding: 13px 20px;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    background: var(--fcs-accent);
    border: 0;
    border-radius: 10px;
    box-shadow: 0 4px 0 #c98015;
    cursor: pointer;
  }
  #fcs-app .fcs-submit:hover { filter: brightness(1.04); transform: translateY(-1px); }
  #fcs-app .fcs-submit:active { box-shadow: 0 2px 0 #c98015; transform: translateY(2px); }
  #fcs-app .fcs-result {
    margin-top: 24px;
    padding: 24px;
    background: #fff;
    border: 2px solid var(--fcs-main);
    border-radius: 14px;
  }
  #fcs-app .fcs-result-title { margin: 0 0 8px; color: var(--fcs-dark); font-size: 23px; }
  #fcs-app .fcs-summary { margin: 0 0 22px; line-height: 1.8; }
  #fcs-app .fcs-timeline { position: relative; margin: 0; padding: 0; list-style: none; }
  #fcs-app .fcs-timeline::before {
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 11px;
    width: 3px;
    background: var(--fcs-line);
    content: "";
  }
  #fcs-app .fcs-step { position: relative; margin: 0 0 20px; padding-left: 42px; }
  #fcs-app .fcs-step:last-child { margin-bottom: 0; }
  #fcs-app .fcs-dot {
    position: absolute;
    top: 4px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: var(--fcs-main);
    border: 4px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--fcs-main);
  }
  #fcs-app .fcs-date { display: block; margin-bottom: 3px; color: var(--fcs-main); font-weight: 800; }
  #fcs-app .fcs-action { display: block; font-size: 16px; font-weight: 700; }
  #fcs-app .fcs-detail { display: block; margin-top: 4px; color: #586561; font-size: 13px; line-height: 1.6; }
  #fcs-app .fcs-warning {
    margin-top: 22px;
    padding: 16px;
    font-size: 13px;
    line-height: 1.8;
    background: #fff8e8;
    border-left: 5px solid var(--fcs-accent);
    border-radius: 6px;
  }
  #fcs-app .fcs-links { display: grid; gap: 10px; margin-top: 20px; }
  #fcs-app .fcs-link {
    display: block;
    padding: 12px 15px;
    color: var(--fcs-dark);
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    background: var(--fcs-bg);
    border: 1px solid var(--fcs-line);
    border-radius: 8px;
  }
  #fcs-app .fcs-link:hover { background: #e5f4f0; }
  #fcs-app .fcs-note {
    margin-top: 18px;
    padding: 16px 18px;
    font-size: 13px;
    line-height: 1.8;
    background: #f5f5f5;
    border-radius: 10px;
  }
  #fcs-app .fcs-note p { margin: 5px 0 0; }
  @media (max-width: 600px) {
    #fcs-app { margin: 20px 0; }
    #fcs-app .fcs-heading { padding: 22px 16px 19px; }
    #fcs-app .fcs-form, #fcs-app .fcs-result { padding: 19px 15px; }
  }