*{margin:0;padding:0;box-sizing:border-box}:root{--bg-start: #f4f6f8;--bg-end: #dfe7ea;--surface: #ffffff;--surface-muted: #f5f7f8;--text: #1f2933;--text-muted: #5c6b73;--accent: #2f6f4e;--accent-soft: #e4efe8;--success: #2f6f4e;--danger: #8b4b2e;--info: #2b5f4d;--neutral-ink: #3a2a1d;--neutral-sand: #f2e9df;--shadow: 0 12px 28px rgba(15, 23, 42, .08)}body{font-family:Noto Sans JP,Hiragino Kaku Gothic ProN,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:linear-gradient(135deg,var(--bg-start) 0%,var(--bg-end) 100%);color:var(--text);min-height:100vh}#root{width:100%;min-height:100vh}button{cursor:pointer;transition:all .2s ease}button:hover{transform:translateY(-1px);box-shadow:0 6px 16px #0f172a1f}button:active{transform:translateY(0)}@media (max-width: 768px){.app-root{padding:1rem!important}.app-header{flex-direction:column!important;align-items:flex-start!important;gap:.75rem!important;padding:1rem!important}.app-nav{width:100%!important;flex-wrap:wrap!important}.app-nav button{flex:1 1 45%!important;font-size:.9rem!important;padding:.6rem .9rem!important}.panel-card{padding:1rem!important}.surface-row{flex-direction:column!important}.surface-canvas,.surface-table{min-width:100%!important}.house-canvas{height:360px!important}.sensor-table{overflow-x:auto!important}.sensor-table table{min-width:520px!important}.field-manager{padding:1rem!important}.field-form{flex-direction:column!important}.field-submit{width:100%!important}.field-card{flex-direction:column!important;align-items:flex-start!important;gap:1rem!important}.field-card-main{width:100%!important}.field-card-actions{width:100%!important;justify-content:flex-end!important;flex-wrap:wrap!important}}