:root{--navy:#0b1739;--navy-soft:#152547;--ink:#16213d;--muted:#68738d;--blue:#2563eb;--blue-dark:#1d4ed8;--blue-soft:#eaf1ff;--background:#f3f6fb;--paper:#fff;--line:#d8e1ef;--line-soft:#e8edf5;--sidebar:294px;--topbar:74px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--background);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,Noto Sans JP,Yu Gothic UI,Meiryo,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select{font:inherit}button,select{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline-offset:2px;outline:3px solid #60a5fa8c}.topbar{z-index:30;height:var(--topbar);background:var(--navy);color:#fff;grid-template-columns:auto minmax(280px,460px) auto;align-items:center;gap:28px;padding:0 38px;display:grid;position:fixed;inset:0 0 auto;box-shadow:0 1px #ffffff14}.brand{color:#fff;align-items:center;gap:12px;text-decoration:none;display:flex}.brand-mark{color:#93c5fd;letter-spacing:.05em;background:#18284a;border:1px solid #ffffff1c;border-radius:10px;flex:none;place-items:center;width:42px;height:42px;font-size:12px;font-weight:800;display:grid}.brand>span:last-child{flex-direction:column;line-height:1.1;display:flex}.brand strong{letter-spacing:-.01em;font-size:17px}.brand small{color:#9ba8c5;margin-top:5px;font-size:10px;font-weight:500}.header-equipment-select{color:#b9c5dc;white-space:nowrap;align-items:center;gap:10px;min-width:0;font-size:10px;font-weight:700;display:flex}.header-equipment-select select{width:100%;min-width:0;height:39px;color:var(--ink);text-overflow:ellipsis;background:#fff;border:1px solid #ffffff2e;border-radius:8px;padding:0 34px 0 12px;font-size:12px;overflow:hidden}.language-button{color:#fff;background:0 0;border:0;border-radius:8px;justify-self:end;align-items:center;gap:8px;padding:9px 10px;font-size:13px;font-weight:650;display:inline-flex}.language-button:hover{background:#ffffff14}.language-button span{color:#bfdbfe;letter-spacing:-.08em;font-size:11px}.app-shell{min-height:100vh}.sidebar{z-index:20;top:var(--topbar);width:var(--sidebar);border-right:1px solid var(--line);background:#fff;padding:28px 24px;position:fixed;bottom:0;left:0;overflow-y:auto}.sidebar h2{color:var(--navy);margin:0 0 22px;font-size:17px;font-weight:750}.search-field,.select-field{color:#52607c;flex-direction:column;gap:7px;margin-top:16px;font-size:11px;font-weight:650;display:flex}.search-field input,.select-field select{width:100%;min-height:43px;color:var(--ink);background:#fff;border:1px solid #cfd9e8;border-radius:8px;padding:0 12px;font-size:12px;box-shadow:inset 0 1px 1px #0b173905}.select-field select{text-overflow:ellipsis}.mode-switch{background:#eef2f8;border-radius:9px;grid-template-columns:repeat(2,1fr);gap:4px;margin-top:18px;padding:4px;display:grid}.mode-switch button{color:#73809a;background:0 0;border:0;border-radius:7px;min-height:36px;font-size:12px;font-weight:700}.mode-switch button.active{background:var(--blue);color:#fff;box-shadow:0 3px 10px #2563eb38}.sidebar-inputs{border-top:1px solid var(--line-soft);margin-top:24px;padding-top:22px}.mode-condition-groups{gap:28px;display:grid}.mode-condition-panel+.mode-condition-panel{border-top:1px solid var(--line-soft);padding-top:26px}.mode-condition-title{align-items:center;gap:10px;margin-bottom:18px;display:flex}.mode-condition-title>div{flex-direction:column;min-width:0;display:flex}.mode-condition-title strong{color:var(--navy);font-size:15px;font-weight:800}.mode-condition-title small{color:var(--muted);margin-top:2px;font-size:9px}.mode-color-dot{background:var(--blue);border-radius:50%;flex:none;width:11px;height:11px;box-shadow:0 0 0 4px #2563eb1f}.mode-heating .mode-color-dot{background:#e05252;box-shadow:0 0 0 4px #e052521f}.mode-unavailable{opacity:.7}.mode-empty{color:var(--muted);background:#f6f8fb;border-radius:8px;margin:0;padding:12px;font-size:10px;line-height:1.6}.sidebar-section-title{align-items:center;gap:9px;margin-bottom:16px;display:flex}.sidebar-section-title span{background:var(--blue);color:#fff;width:23px;height:23px;box-shadow:0 0 0 3px var(--blue-soft);border-radius:50%;flex:none;place-items:center;font-size:10px;font-weight:800;display:grid}.sidebar-section-title h2{margin:0;font-size:14px}.sidebar-section-spaced{border-top:1px solid var(--line-soft);margin-top:28px;padding-top:22px}.sidebar .range-field{margin-top:17px}.sidebar .range-label{align-items:flex-end;gap:8px}.sidebar .range-label small{max-width:128px;line-height:1.45}.sidebar .number-control{height:33px;padding:0 7px}.sidebar .number-control input{width:48px;font-size:11px}.sidebar .number-control 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0;font-size:12px;font-weight:750}.card-chart-item+.card-chart-item{border-top:1px solid var(--line-soft);margin-top:7px;padding-top:12px}.comparison-empty{text-align:left;min-height:330px;padding:0}.comparison-empty>p{text-align:center;margin:70px 24px 0}.chart-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.chart-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;min-width:0;overflow:hidden;box-shadow:0 8px 24px #0b17390a}.chart-card-heading{padding:20px 22px 6px}.chart-card h2{color:var(--navy);margin:0;font-size:15px;font-weight:750}.chart-card p{color:var(--muted);margin:5px 0 0;font-size:10px;line-height:1.55}.chart-canvas-wrap{width:100%;padding:0 8px 12px}.chart-canvas-wrap canvas{max-width:100%;display:block}.chart-interaction-bar{justify-content:space-between;align-items:center;gap:12px;margin:8px 15px 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