:root{--bg: #ffffff;--fg: #1a1a1a;--muted: #6b7280;--border: #d1d5db;--primary: #06c755;--primary-fg: #ffffff;--error: #dc2626;--plan-bg: #f5f5f5}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic UI,Noto Sans JP,sans-serif;background:var(--bg);color:var(--fg);line-height:1.5}.container{max-width:480px;margin:0 auto;padding:24px 16px 48px}.intro{padding-bottom:20px;border-bottom:1px solid var(--border);margin-bottom:24px}.intro-hero{display:block;width:100%;height:auto;border-radius:8px;margin-bottom:12px}.intro-plan{background:var(--plan-bg);border-radius:8px;padding:12px;text-align:center}.intro-plan .plan-label{font-size:.8rem;font-weight:700;color:var(--muted)}.intro-plan .plan-price{font-size:1.5rem;font-weight:600;line-height:1.3}.intro-plan .plan-price span{font-size:.9rem;font-weight:400;color:var(--muted)}.intro-plan .plan-desc{font-size:.85rem;color:var(--muted)}.intro-notes{margin:12px 0 0;padding:0;list-style:none;font-size:.8rem;color:var(--muted)}.intro-notes li{position:relative;padding-left:1.2em;margin:4px 0}.intro-notes li:before{content:"※";position:absolute;left:0}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.form{display:grid;gap:20px}.field{display:grid;gap:6px;min-width:0}.field span{font-size:.875rem;color:var(--muted)}.field span em{color:var(--error);font-style:normal;margin-left:2px}.field small{font-size:.75rem;color:var(--muted)}.field input,.field select{width:100%;min-width:0;max-width:100%;padding:10px 12px;font-size:1rem;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--fg);font-family:inherit}.field input[type=date]{-webkit-appearance:none;-moz-appearance:none;appearance:none}.field input[type=date]::-webkit-date-and-time-value{min-height:1.2em;text-align:left}.field input:focus,.field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #06c75533}.cal{border:1px solid var(--border);border-radius:8px;padding:10px 8px 8px}.cal-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}.cal-nav button{width:36px;height:36px;font-size:1.25rem;line-height:1;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--fg);cursor:pointer}.cal-nav button:disabled{opacity:.3;cursor:default}.field .cal-title{font-size:1rem;font-weight:600;color:var(--fg)}.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.field .cal-dow{text-align:center;font-size:.75rem;color:var(--muted)}.field .cal-dow.sun{color:#dc2626}.field .cal-dow.sat{color:#2563eb}.cal-cell{aspect-ratio:1;min-width:0;padding:0;font-size:.95rem;font-family:inherit;border:none;border-radius:8px;background:transparent;color:var(--fg)}.cal-cell.open{font-weight:700;cursor:pointer}.cal-cell.open.sun{color:#dc2626}.cal-cell.open.sat{color:#2563eb}.cal-cell.off{color:#c4c8ce;cursor:default}.cal-cell.selected{background:var(--primary);color:var(--primary-fg)!important}.cal-note{margin:8px 4px 0;font-size:.75rem;color:var(--muted)}.cal-status{margin:0;font-size:.875rem;color:var(--muted)}.cal-retry{display:block;margin-top:8px;padding:6px 12px;font-size:.85rem;font-family:inherit;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--fg);cursor:pointer}.field small.cal-picked{font-size:.875rem;font-weight:600;color:var(--fg)}.field-group{border:1px solid var(--border);border-radius:8px;padding:12px 14px;margin:0}.field-group legend{font-size:.875rem;color:var(--muted);padding:0 6px}.field-group legend em{color:var(--error);font-style:normal;margin-left:2px}.field-group .row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.check{display:flex;align-items:flex-start;gap:9px;font-size:.95rem;margin:7px 0;cursor:pointer}.check input[type=checkbox]{width:21px;height:21px;margin-top:1px;flex-shrink:0}.check .optional{font-size:.8rem;color:var(--muted);margin-left:4px}.check-note{display:block;margin-left:30px;margin-top:-2px;margin-bottom:14px;font-size:.75rem;color:var(--muted)}button[type=submit]{margin-top:8px;padding:14px 16px;font-size:1rem;font-weight:600;color:var(--primary-fg);background:var(--primary);border:none;border-radius:8px;cursor:pointer}button[type=submit]:disabled{opacity:.6;cursor:not-allowed}.error{color:var(--error);font-size:.875rem;margin:0}.field small.field-error{color:var(--error);font-weight:600}