*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}button,textarea{-webkit-appearance:none;-moz-appearance:none;appearance:none;color:inherit;font-family:inherit}:root{--color-primary: #f8c6d3;--color-primary-dark: #f0a6ba;--color-text: #1a1a1a;--color-text-muted: #666;--color-bg: #fff5f7;--color-surface: #fff;--color-border: #f0dce2;--color-input-border: #d9a3b3;--color-disabled: #ccc;--color-sun: #e53935;--color-sat: #1e88e5;--radius: 12px;--touch-min: 44px}html,body{height:100%;font-family:-apple-system,Noto Sans JP,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--color-bg);color:var(--color-text);font-size:16px;-webkit-font-smoothing:antialiased}#app{max-width:480px;margin:0 auto;min-height:100dvh;background:var(--color-bg);position:relative}.hidden{display:none!important}.screen{min-height:100dvh;display:flex;flex-direction:column}.screen-inner{flex:1;padding:24px 20px}.screen-inner.center{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:16px}.screen-body{flex:1;padding:16px;overflow-y:auto}.app-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:0 16px;height:52px;display:flex;align-items:center;gap:8px;position:sticky;top:0;z-index:10}.app-title{font-size:17px;font-weight:700;flex:1;text-align:center}.back-btn{background:none;border:none;color:var(--color-text);font-size:16px;font-weight:600;cursor:pointer;padding:8px 4px;min-width:60px}.btn-primary{display:block;width:100%;background:var(--color-primary);color:var(--color-text);border:none;border-radius:var(--radius);font-size:17px;font-weight:700;padding:14px;cursor:pointer;min-height:var(--touch-min);transition:background .15s;margin-top:24px}.btn-primary:hover{background:var(--color-primary-dark)}.btn-primary:disabled{background:var(--color-disabled);color:#fff;cursor:not-allowed}.calendar-month{margin-bottom:20px}.calendar-month-heading{font-size:15px;font-weight:700;color:var(--color-text-muted);padding:8px 4px 6px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}.calendar-weekday{text-align:center;font-size:12px;color:var(--color-text-muted);padding:4px 0;font-weight:600}.calendar-weekday.sun{color:var(--color-sun)}.calendar-weekday.sat{color:var(--color-sat)}.calendar-day{aspect-ratio:1;background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;font-size:14px;font-weight:600;color:var(--color-text);cursor:pointer;transition:background .1s,color .1s;min-height:var(--touch-min);display:flex;align-items:center;justify-content:center}.calendar-day.disabled{background:#f0f0f0;color:var(--color-disabled);cursor:not-allowed;border-color:transparent}.calendar-day.sun:not(.disabled){border:2px solid var(--color-sun);color:var(--color-sun)}.calendar-day.sat:not(.disabled){border:2px solid var(--color-sat);color:var(--color-sat)}.calendar-day:hover:not(.disabled){background:var(--color-primary);color:var(--color-text);border-color:var(--color-primary-dark)}.selected-date-label{font-size:16px;font-weight:700;color:var(--color-text);margin-bottom:16px}.timeslot-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.timeslot-btn{background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius);font-size:16px;font-weight:600;color:var(--color-text);cursor:pointer;padding:12px 0;min-height:var(--touch-min);transition:background .1s,border-color .1s,color .1s}.timeslot-btn:hover:not(:disabled){background:var(--color-primary);border-color:var(--color-primary-dark);color:var(--color-text)}.timeslot-btn:disabled{background:#f0f0f0;border-color:transparent;color:var(--color-disabled);cursor:not-allowed}.confirm-card{background:var(--color-surface);border-radius:var(--radius);border:1px solid var(--color-border);overflow:hidden}.confirm-row{padding:12px 16px 16px}.confirm-row+.confirm-row{border-top:1px solid var(--color-border)}.confirm-row-head{display:flex;align-items:center;justify-content:space-between}.confirm-label{font-size:13px;color:var(--color-text-muted)}.confirm-value{display:block;font-size:17px;font-weight:700;white-space:nowrap}.confirm-value.is-empty{color:var(--color-text-muted);font-weight:400}.link-btn{background:none;border:none;color:var(--color-text);text-decoration:underline;text-underline-offset:3px;font-size:14px;font-weight:600;cursor:pointer;padding:8px 4px;flex-shrink:0}.confirm-hint{font-size:13px;color:var(--color-text-muted);margin-top:8px;padding-left:4px}.note-field{margin-top:20px}.note-label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;padding-left:4px}.note-input{display:block;width:100%;font-size:16px;line-height:1.5;padding:12px;background:var(--color-surface);border:2px solid var(--color-input-border);border-radius:var(--radius);resize:vertical}.note-input:focus{outline:none;border-color:#e07d9a;box-shadow:0 0 0 3px #f0a6ba59}.confirm-notice{font-size:13px;color:var(--color-text-muted);line-height:1.6;margin-top:20px;padding:0 4px}.error-icon{font-size:48px}.error-title{font-size:20px;font-weight:700}.error-desc{font-size:15px;color:var(--color-text-muted);line-height:1.6}.complete-icon{width:72px;height:72px;background:var(--color-primary);color:var(--color-text);border-radius:50%;font-size:36px;display:flex;align-items:center;justify-content:center}.complete-title{font-size:20px;font-weight:700}.complete-desc{font-size:15px;color:var(--color-text-muted);line-height:1.6}