:root{color:#1b1b24;background:#dedede;font-family:Inter,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,Arial,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}.page-shell{min-height:100vh;display:flex;align-items:flex-start;justify-content:center;padding:24px 16px}.signature-panel{width:min(100%,1170px);min-height:calc(100vh - 48px);display:flex;flex-direction:column;background:#fff;padding:27px 36px 12px;box-shadow:0 1px 2px #12152614}.agreement-title{flex:0 0 auto;margin:0 0 16px;text-align:center;font-size:24px;font-weight:700;line-height:1.4}.terms-box{flex:1 1 auto;height:270px;overflow-y:auto;border:1px solid #d8dce8;background:#fff;padding:15px 21px;color:#111827;line-height:1.55;font-size:14px}.signature-panel.is-reading .terms-box,.signature-panel.is-signing .terms-box{height:270px}.terms-box:focus{outline:2px solid #686b91;outline-offset:2px}.terms-box p{margin:0 0 9px}.terms-box .term-title{font-weight:700}.agreement-row{display:flex;gap:18px;align-items:center;justify-content:space-between;min-height:45px;border:1px solid #e4e7f0;border-top:0;padding:8px 12px;font-size:14px}.checkbox-label{display:inline-flex;align-items:center;gap:9px;min-width:0}.checkbox-label input{width:14px;height:14px;accent-color:#676885;flex:0 0 auto}.agreement-row time{flex:0 0 auto;white-space:nowrap}.signature-area{position:relative;border:1px solid #d8dce8;background:#fff}.signature-header{position:absolute;z-index:2;top:0;right:0;left:0;height:51px;display:flex;align-items:center;justify-content:space-between;padding:0 15px;border-bottom:0;background:transparent;font-size:14px;pointer-events:none}.clear-button{width:80px;min-width:80px;height:36px;display:inline-flex;align-items:center;justify-content:center;gap:5px;border:1px solid #ff4d4f;border-radius:6px;padding:0 6px;color:#f04444;background:#fff;font-size:14px;font-weight:400;line-height:1;cursor:pointer;pointer-events:auto}.clear-button:disabled{cursor:not-allowed;opacity:1}.canvas-wrap{height:245px;touch-action:none}canvas{display:block;width:100%;height:100%;cursor:crosshair}.toast-notice{position:fixed;top:24px;left:50%;transform:translate(-50%) translateY(-20px);opacity:0;z-index:9999;display:inline-flex;align-items:center;gap:10px;padding:12px 28px;border-radius:8px;border:1px solid #e8e8e8;background:#fff;box-shadow:0 4px 20px #0000001a,0 1px 4px #0000000f;font-size:14px;font-weight:500;color:#333;white-space:nowrap;pointer-events:auto;cursor:pointer;transition:opacity .3s ease,transform .3s ease}.toast-notice.visible{opacity:1;transform:translate(-50%) translateY(0)}.toast-notice .toast-icon{flex-shrink:0}.toast-notice.success .toast-icon{color:#22c55e}.toast-notice.error .toast-icon{color:#ef4444}.submit-button{display:block;width:136px;height:36px;margin:8px auto 0;border:0;background:#676885;color:#fff;font-size:14px;font-weight:700;cursor:pointer}.submit-button:disabled{cursor:not-allowed;background:#b9bbc9}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#14182247;padding:16px}.confirm-modal{width:min(100%,330px);background:#fff;border:1px solid #e2e5ef;padding:24px 18px 15px;text-align:center;box-shadow:0 8px 28px #1418222e}.confirm-modal h2{margin:0 0 12px;font-size:14px}.confirm-modal p{margin:0 0 21px;font-size:14px}.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}.modal-actions button{height:30px;border:1px solid #cfd5e7;background:#fff;color:#60647d;font-size:14px;cursor:pointer}.modal-actions .danger{border-color:#f77;color:#f04444}@media (max-width: 640px){body{height:100dvh;min-height:100dvh;overflow:hidden}#root{height:100%}.page-shell{height:100dvh;min-height:0;overflow:hidden;padding:10px}.signature-panel{position:relative;height:calc(100dvh - 20px);min-height:0;overflow:hidden;padding:12px 10px 10px}.signature-panel.is-reading .terms-box{flex:1 1 0;height:auto;min-height:0}.signature-panel.is-signing .terms-box{flex:1 1 0;height:auto;min-height:60px}.agreement-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;column-gap:8px;row-gap:4px;min-height:40px;padding:6px 8px}.checkbox-label{align-items:flex-start}.agreement-row time{justify-self:end}.canvas-wrap{height:clamp(179px,calc(24dvh + 53px),245px)}.submit-button{width:100%}}@media (max-width: 420px){.agreement-row{grid-template-columns:1fr}.agreement-row time{justify-self:end}}