:root{--color-primary:#8a6d3b;--color-primary-dark:#6b5228;--color-bg:#faf7f2;--color-surface:#fff;--color-text:#222;--color-muted:#6b6b6b;--color-border:#ddd2bd;--color-danger:#b3372c;--color-success:#2f7a4f;--color-not-started:#9a9a9a;--color-in-progress:#c98a2c;--color-completed:#2f7a4f;--radius:14px}*{box-sizing:border-box}html{font-size:18px}body{margin:0;font-family:Hiragino Sans,Yu Gothic,Noto Sans JP,-apple-system,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.8}h1,h2,h3{line-height:1.5}a{color:var(--color-primary-dark)}.container{max-width:720px;margin:0 auto;padding:24px 16px 80px}.page-title{font-size:1.6rem;font-weight:700;margin-bottom:8px}.page-intro{font-size:1.05rem;color:var(--color-muted);background:var(--color-surface);border:1px solid var(--color-border);padding:16px;margin-bottom:24px}.btn,.page-intro{border-radius:var(--radius)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:12px 24px;font-size:1.1rem;font-weight:600;border:2px solid var(--color-primary);background:var(--color-primary);color:#fff;cursor:pointer;width:100%;transition:opacity .15s}.btn:hover{opacity:.9}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--color-surface)}.btn-outline,.btn-secondary{color:var(--color-primary-dark)}.btn-outline{background:transparent}.btn-danger{background:var(--color-danger);border-color:var(--color-danger)}.btn-row{display:flex;gap:12px;flex-wrap:wrap}.btn-row .btn{width:auto;flex:1 1}.field{margin-bottom:22px}.field label{display:block;font-size:1.05rem;font-weight:600;margin-bottom:8px}.field .help{font-size:.95rem;color:var(--color-muted);margin-bottom:6px}input[type=email],input[type=number],input[type=password],input[type=text],select,textarea{width:100%;font-size:1.05rem;padding:14px;border-radius:10px;border:2px solid var(--color-border);background:var(--color-surface);color:var(--color-text);font-family:inherit}textarea{min-height:110px;resize:vertical}.option-grid{display:flex;flex-wrap:wrap;gap:10px}.option-btn{min-height:56px;padding:12px 20px;font-size:1.05rem;border-radius:var(--radius);border:2px solid var(--color-border);background:var(--color-surface);color:var(--color-text);cursor:pointer}.option-btn.selected{background:var(--color-primary);border-color:var(--color-primary);color:#fff;font-weight:700}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:18px;margin-bottom:16px}.part-card{display:block;text-decoration:none;color:inherit}.part-card-title{font-size:1.2rem;font-weight:700;margin-bottom:6px}.status-badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:.9rem;font-weight:700;color:#fff}.status-NOT_STARTED{background:var(--color-not-started)}.status-IN_PROGRESS{background:var(--color-in-progress)}.status-COMPLETED{background:var(--color-completed)}.part-nav-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--color-border)}.part-nav-pill{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;min-height:40px;border-radius:999px;border:2px solid var(--color-border);background:var(--color-surface);color:var(--color-text);font-size:.92rem;cursor:pointer}.part-nav-pill.active{border-color:var(--color-primary);background:var(--color-primary);color:#fff;font-weight:700}.part-nav-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}.part-sequence-nav{display:flex;justify-content:space-between;gap:12px;margin-top:32px}.part-sequence-nav .btn{flex:1 1}.error-box{background:#fbeceb;border:1px solid var(--color-danger);color:var(--color-danger);border-radius:10px;font-size:1rem}.error-box,.notice-box{padding:14px;margin-bottom:16px}.notice-box{background:#fff8e6;border:1px solid #e0c469;border-radius:10px;font-size:.98rem;color:#6b5410}table{width:100%;border-collapse:collapse;font-size:1rem;background:var(--color-surface)}td,th{padding:12px;border-bottom:1px solid var(--color-border);text-align:left}th{cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;color:var(--color-primary-dark)}.top-nav{display:flex;justify-content:space-between;align-items:center;padding:16px;background:var(--color-surface);border-bottom:1px solid var(--color-border)}.top-nav .brand{font-weight:700;font-size:1.2rem;color:var(--color-primary-dark);text-decoration:none}.detail-option{margin-bottom:12px}.detail-option-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.info-btn{min-height:44px;padding:8px 16px;font-size:.95rem;border-radius:999px;border:2px solid var(--color-primary);background:transparent;color:var(--color-primary-dark);cursor:pointer}.detail-option-desc{margin-top:8px;padding:12px 14px;background:#fff8e6;border:1px solid #e0c469;border-radius:10px;font-size:.98rem;color:#5a4a1a}.preview-heading{font-weight:700;color:var(--color-primary-dark);margin-bottom:8px;font-size:1.05rem}.preview-item-card{display:flex;align-items:flex-start;gap:10px;border:1px solid var(--color-border);background:#fffdf9;border-radius:var(--radius);padding:14px;margin-bottom:10px}.preview-item-number{flex:0 0 auto;width:22px;height:22px;line-height:22px;text-align:center;border-radius:50%;background:var(--color-primary);color:#fff;font-size:.8rem;font-weight:700}.preview-item-content{flex:1 1 auto;min-width:0}.preview-item-empty{color:var(--color-muted)}.photo-preview{display:block;max-width:100%;max-height:280px;border-radius:var(--radius);border:1px solid var(--color-border)}.preview-photo{display:block;max-width:100%;max-height:220px;border-radius:var(--radius);margin-top:8px}.group-item{border:1px solid var(--color-border);border-radius:10px;padding:14px;margin-bottom:12px;background:#fffdf9}@media (max-width:480px){html{font-size:17px}.container{padding:16px 12px 80px}}