/* ===== RESET ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    /* ===== VARIABLES ===== */
    :root {
      --green-dark:  #1a4a2e;
      --green-main:  #2d6a4f;
      --green-mid:   #40916c;
      --green-light: #74c69d;
      --green-pale:  #d8f3dc;
      --green-bg:    #f0f7f0;
      --gold:        #c9a84c;
      --text:        #1a1a1a;
      --text-muted:  #666;
      --border:      #c0cfc0;
      --red:         #c0392b;
      --white:       #ffffff;
      --shadow:      0 2px 12px rgba(0,0,0,0.09);
    }

    /* ===== BASE ===== */
    body {
      font-family: 'Hiragino Sans', 'Noto Sans JP', 'Yu Gothic', 'Meiryo', sans-serif;
      background: var(--green-bg);
      color: var(--text);
      min-height: 100vh;
      padding-bottom: 60px;
      font-size: 16px;
      line-height: 1.6;
    }

    /* ===== HEADER ===== */
    .page-header {
      background: linear-gradient(160deg, var(--green-dark) 0%, var(--green-main) 60%, var(--green-mid) 100%);
      color: white;
      padding: 32px 20px 28px;
      text-align: center;
    }
    .header-logo-wrap {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-bottom: 10px;
    }
    .header-logo {
      width: 70px;
      height: 70px;
      border-radius: 50%;
      background: white;
      padding: 5px;
      object-fit: contain;
      display: block;
    }
    .header-logo-fallback {
      width: 70px;
      height: 70px;
      border-radius: 50%;
      background: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: bold;
      color: var(--green-dark);
      flex-shrink: 0;
    }
    .header-text h1 {
      font-size: 1.9rem;
      font-weight: bold;
      letter-spacing: 5px;
      text-shadow: 0 1px 3px rgba(0,0,0,0.3);
    }
    .header-text .subtitle {
      font-size: 0.8rem;
      opacity: 0.9;
      margin-top: 3px;
      letter-spacing: 0.5px;
    }
    .header-text .course-name {
      font-size: 1rem;
      letter-spacing: 3px;
      margin-top: 8px;
      opacity: 0.95;
    }

    /* ===== CONTAINER ===== */
    .container {
      max-width: 640px;
      margin: 0 auto;
      padding: 24px 16px;
    }

    /* ===== NOTICE BOX ===== */
    .notice-box {
      background: #fffde7;
      border: 1px solid #f9a825;
      border-left: 5px solid #f9a825;
      border-radius: 8px;
      padding: 14px 16px;
      margin-bottom: 22px;
      font-size: 0.87rem;
      line-height: 1.75;
      color: #4a3500;
    }
    .notice-box p { margin-bottom: 8px; }
    .notice-box p:last-child { margin-bottom: 0; }
    .notice-box strong { color: #c8700a; display: block; margin-bottom: 1px; }

    /* ===== PRIVACY BOX ===== */
    .privacy-box {
      background: var(--green-pale);
      border: 1px solid var(--green-mid);
      border-left: 5px solid var(--green-main);
      border-radius: 8px;
      padding: 14px 16px;
      margin-bottom: 22px;
      font-size: 0.87rem;
      line-height: 1.75;
      color: #143d26;
    }
    .privacy-box p { margin-bottom: 5px; }
    .privacy-box p:last-child { margin-bottom: 0; }
    .privacy-box strong { color: var(--green-dark); }

    /* ===== CARD ===== */
    .form-card {
      background: white;
      border-radius: 12px;
      padding: 24px 20px 20px;
      margin-bottom: 18px;
      box-shadow: var(--shadow);
      border: 1px solid rgba(45,106,79,0.1);
    }
    .form-card h2 {
      font-size: 0.95rem;
      color: var(--green-main);
      border-bottom: 2px solid var(--green-pale);
      padding-bottom: 9px;
      margin-bottom: 18px;
      font-weight: bold;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* ===== FORM GROUP ===== */
    .form-group { margin-bottom: 18px; }
    .form-group:last-child { margin-bottom: 0; }
    label.field-label {
      display: block;
      font-size: 0.87rem;
      font-weight: bold;
      color: var(--text);
      margin-bottom: 7px;
    }
    .required-badge {
      display: inline-block;
      background: var(--red);
      color: white;
      font-size: 0.65rem;
      padding: 1px 5px;
      border-radius: 3px;
      margin-left: 6px;
      vertical-align: middle;
      font-weight: bold;
    }
    .optional-badge {
      display: inline-block;
      color: var(--text-muted);
      font-size: 0.72rem;
      margin-left: 6px;
      font-weight: normal;
    }

    /* ===== INPUTS ===== */
    input[type="text"],
    input[type="tel"],
    select,
    textarea {
      width: 100%;
      padding: 10px 13px;
      border: 1.5px solid var(--border);
      border-radius: 8px;
      font-size: 1rem;
      font-family: inherit;
      color: var(--text);
      background: white;
      transition: border-color 0.2s, box-shadow 0.2s;
      -webkit-appearance: none;
      appearance: none;
    }
    input:focus, select:focus {
      outline: none;
      border-color: var(--green-mid);
      box-shadow: 0 0 0 3px rgba(64,145,108,0.15);
    }
    input.addr-auto {
      background: #f5f7f5;
      color: var(--text-muted);
      cursor: not-allowed;
    }
    input.has-error, select.has-error {
      border-color: var(--red);
    }
    .err-msg {
      color: var(--red);
      font-size: 0.78rem;
      margin-top: 5px;
      display: none;
    }
    .err-msg.show { display: block; }

    /* ===== POSTAL ROW ===== */
    .postal-row {
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }
    .postal-row input { flex: 1; }
    .postal-btn {
      background: var(--green-main);
      color: white;
      border: none;
      border-radius: 8px;
      padding: 10px 14px;
      font-size: 0.87rem;
      cursor: pointer;
      white-space: nowrap;
      font-family: inherit;
      transition: background 0.2s, transform 0.1s;
      flex-shrink: 0;
    }
    .postal-btn:hover { background: var(--green-dark); }
    .postal-btn:active { transform: scale(0.97); }

    /* ===== INLINE GROUP ===== */
    .inline-row {
      display: flex;
      gap: 8px;
      align-items: center;
      flex-wrap: wrap;
    }
    .inline-row .unit {
      font-size: 0.9rem;
      color: var(--text-muted);
      white-space: nowrap;
      flex-shrink: 0;
    }
    .inline-row select { flex: 1; min-width: 70px; }
    .inline-row input { flex: 1; min-width: 60px; }

    /* ===== OUT/IN TOGGLE ===== */
    .outIn-toggle {
      display: flex;
      border: 1.5px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
      min-width: 120px;
      flex-shrink: 0;
      position: relative;
    }
    /* キーボード操作可能にするため、display:none ではなく視覚的に隠す */
    .outIn-toggle input[type="radio"] {
      position: absolute;
      width: 1px;
      height: 1px;
      opacity: 0;
      pointer-events: none;
      margin: 0;
    }
    .outIn-toggle label {
      flex: 1;
      text-align: center;
      padding: 9px 8px;
      cursor: pointer;
      font-size: 0.9rem;
      color: var(--text-muted);
      transition: all 0.15s;
      margin: 0;
      font-weight: normal;
    }
    .outIn-toggle input[type="radio"]:checked + label {
      background: var(--green-main);
      color: white;
      font-weight: bold;
    }
    .outIn-toggle input[type="radio"]:focus + label {
      outline: 3px solid rgba(64,145,108,0.45);
      outline-offset: -2px;
    }

    /* ===== CHECKBOX ===== */
    .check-label {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      cursor: pointer;
      font-size: 0.92rem;
      line-height: 1.55;
    }
    .check-label input[type="checkbox"] {
      width: 22px;
      height: 22px;
      min-width: 22px;
      margin-top: 1px;
      cursor: pointer;
      accent-color: var(--green-main);
    }
    .check-label .check-text small {
      display: block;
      font-size: 0.77rem;
      color: var(--text-muted);
      margin-top: 2px;
    }

    /* ===== LOGO UPLOAD ===== */

    /* ===== AGE DISPLAY ===== */
    #age-display {
      display: none;
      margin-top: 8px;
      font-size: 0.84rem;
      color: var(--green-main);
      background: var(--green-pale);
      padding: 6px 10px;
      border-radius: 6px;
    }

    /* ===== GENERATE BUTTON ===== */
    .generate-btn {
      width: 100%;
      background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
      color: white;
      border: none;
      border-radius: 12px;
      padding: 17px 20px;
      font-size: 1.1rem;
      font-weight: bold;
      font-family: inherit;
      cursor: pointer;
      letter-spacing: 1px;
      transition: all 0.2s;
      box-shadow: 0 4px 14px rgba(29,74,46,0.35);
    }
    .generate-btn:hover {
      background: linear-gradient(135deg, #0f2e1b, var(--green-main));
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(29,74,46,0.4);
    }
    .generate-btn:active { transform: translateY(0); }
    .generate-btn:disabled {
      background: #9e9e9e;
      cursor: not-allowed;
      transform: none;
      box-shadow: none;
    }
    .btn-hint {
      text-align: center;
      font-size: 0.77rem;
      color: var(--text-muted);
      margin-top: 10px;
    }

    /* ===== LOADING OVERLAY ===== */
    #loading-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.55);
      z-index: 9999;
      justify-content: center;
      align-items: center;
      flex-direction: column;
      gap: 18px;
    }
    #loading-overlay.show { display: flex; }
    .spinner {
      width: 52px; height: 52px;
      border: 4px solid rgba(255,255,255,0.3);
      border-top-color: white;
      border-radius: 50%;
      animation: spin 0.75s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }
    #loading-overlay p { color: white; font-size: 1rem; }

    /* ===== FOOTER ===== */
    .page-footer {
      text-align: center;
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 30px;
      padding-top: 16px;
      border-top: 1px solid var(--border);
    }

.field-style-1 { font-size:0.75rem; color:var(--text-muted); font-weight:normal; }

.field-style-2 { max-width:90px; }

.field-style-3 { max-width:80px; }

.field-style-4 { max-width:85px; }

.field-style-5 { max-width:100px; }

.field-style-6 { max-width:70px; }

[hidden] { display: none !important; }
#age-display.show { display: block; }
#age-display.date-error { background: #fde2e2; color: #c0392b; border-left: 4px solid #c0392b; }
#postal-status { color: var(--green-dark); font-size: .875rem; margin-top: 8px; }
#address-choices { margin-top: 8px; }
#generate-err { color: var(--red); margin-top: 12px; }