:root{--bg: #ffffff;--surface: #f6f6f4;--surface-2: #ffffff;--border: #e7e7e3;--border-strong: #d6d6d1;--text: #16181d;--text-muted: #5b6069;--text-dim: #6b7078;--accent: #14161a;--accent-contrast: #ffffff;--search: #14161a;--calc: #14161a;--danger: #b42318;--ok: #1a7f37;--radius: 12px;--radius-lg: 16px;--radius-pill: 999px;--tap: 48px;--maxw: 720px;--shadow-card: 0 1px 2px rgba(20, 22, 26, .05);color-scheme:light}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,Meiryo,system-ui,-apple-system,sans-serif;line-height:1.6;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}.app{min-height:100dvh;display:flex;flex-direction:column}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:16px}.site-header{position:sticky;top:0;z-index:20;background:#ffffffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.site-header .container{display:flex;align-items:center;gap:8px;padding-top:8px;padding-bottom:8px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:18px;letter-spacing:.01em}.brand .logo{width:32px;height:32px;display:grid;place-items:center;background:var(--accent);color:var(--accent-contrast);border-radius:8px}.spacer{flex:1}.site-footer{margin-top:auto;border-top:1px solid var(--border);color:var(--text-dim);font-size:13px}.site-footer .container{padding-top:24px;padding-bottom:40px}.hero h1{font-size:22px;line-height:1.3;margin:4px 0 6px;letter-spacing:-.01em}.hero p{color:var(--text-muted);margin:0;font-size:14px}.section{margin-top:20px}.section-title{display:flex;align-items:center;gap:6px;font-size:17px;font-weight:800;margin:0 0 10px}.section-title .count{font-size:12px;font-weight:700;color:var(--text-muted);background:var(--surface);border:1px solid var(--border);min-width:22px;text-align:center;padding:1px 7px;border-radius:var(--radius-pill)}.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}@media (min-width: 560px){.card-grid{grid-template-columns:repeat(3,1fr)}}.tool-card{display:flex;gap:10px;align-items:center;padding:12px 12px 12px 10px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-card);transition:background .15s,border-color .15s,transform .05s;min-height:64px}.tool-card:active{transform:scale(.98)}.tool-card:hover{background:var(--surface);border-color:var(--border-strong)}.tool-card .emoji{flex-shrink:0;width:40px;height:40px;display:grid;place-items:center;border-radius:10px;background:var(--surface);color:var(--accent);border:1px solid var(--border)}.tool-card-title{flex:1;min-width:0;font-size:14px;font-weight:700;line-height:1.3;word-break:keep-all;overflow-wrap:break-word}.tool-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.tool-header .emoji{flex-shrink:0;width:44px;height:44px;display:grid;place-items:center;border-radius:var(--radius);background:var(--surface);color:var(--accent);border:1px solid var(--border)}.tool-header h1{font-size:22px;margin:0;letter-spacing:-.01em}.tool-lead{color:var(--text-muted);margin:0 0 16px;font-size:14px}.back-link{display:inline-flex;align-items:center;gap:4px;color:var(--text-muted);font-size:14px;font-weight:600;padding:8px 0;min-height:var(--tap)}.back-link:hover{color:var(--text)}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;margin-bottom:16px}.panel+.panel{margin-top:0}.field{margin-bottom:16px}.field:last-child{margin-bottom:0}.field label{display:block;font-size:13px;font-weight:700;color:var(--text);margin-bottom:8px}.field .hint{font-size:12px;color:var(--text-dim);margin-top:8px}input[type=number],input[type=text],select{width:100%;min-height:var(--tap);padding:10px 12px;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:10px;outline:none}input::placeholder{color:var(--text-dim)}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #14161a1f}.row{display:flex;gap:16px}.row>*{flex:1;min-width:0}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{min-height:var(--tap);padding:8px 16px;border-radius:var(--radius-pill);border:1px solid var(--border-strong);background:var(--surface-2);color:var(--text-muted);cursor:pointer;font-size:14px;font-weight:600;transition:background .12s,color .12s,border-color .12s}.chip:hover{border-color:var(--accent);color:var(--text)}.chip[aria-pressed=true],.chip[aria-checked=true],.chip[aria-selected=true]{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}.btn{min-height:var(--tap);padding:16px 24px;border-radius:12px;border:1px solid transparent;background:var(--accent);color:var(--accent-contrast);font-weight:800;cursor:pointer;width:100%;transition:filter .12s,transform .05s}.btn:active{transform:scale(.99)}.btn:hover{filter:brightness(1.15)}.btn.secondary{background:var(--surface-2);border:1px dashed var(--border-strong);color:var(--text)}.btn.secondary:hover{border-style:solid;border-color:var(--accent);filter:none}.result{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px;margin-bottom:16px}.result-hero{text-align:center;padding:16px 8px 8px}.result-hero .big{font-size:40px;font-weight:900;letter-spacing:-.02em;line-height:1.1}.result-hero .big 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var(--border);border-radius:var(--radius);background:var(--surface-2)}table{width:100%;border-collapse:collapse;font-size:14px;min-width:320px}th,td{padding:12px;text-align:left;white-space:nowrap}thead th{background:var(--surface);color:var(--text-muted);font-size:12px;font-weight:700;border-bottom:1px solid var(--border)}tbody tr{border-bottom:1px solid var(--border)}tbody tr:last-child{border-bottom:none}tbody tr.hit{background:var(--surface)}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.disclaimer{display:flex;gap:12px;font-size:12px;line-height:1.7;color:var(--text-muted);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;margin-top:16px}.disclaimer .i{flex-shrink:0;color:var(--text-dim);display:inline-flex}.empty{color:var(--text-dim);text-align:center;padding:24px 8px;font-size:14px}.notice{display:flex;gap:12px;font-size:13px;line-height:1.7;color:var(--text-muted);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);padding:12px 16px;margin-bottom:16px}.notice .i{flex-shrink:0;color:var(--text);display:inline-flex}.switcher-btn{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:6px 14px 6px 12px;border-radius:var(--radius-pill);border:1px solid var(--border-strong);background:var(--surface-2);color:var(--text);font-size:14px;font-weight:700;cursor:pointer;transition:background .12s,border-color .12s}.switcher-btn:hover{background:var(--surface);border-color:var(--accent)}.switcher-btn[aria-expanded=true]{background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}.switcher-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#14161a59;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:overlay-in .15s ease}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}.switcher-panel{position:fixed;top:0;right:0;height:100dvh;width:min(360px,88vw);background:var(--bg);border-left:1px solid var(--border);box-shadow:-8px 0 24px #14161a1f;display:flex;flex-direction:column;animation:panel-in .2s cubic-bezier(.2,.8,.2,1);outline:none}@keyframes panel-in{0%{transform:translate(100%)}to{transform:translate(0)}}.switcher-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg)}.switcher-title{font-size:16px;font-weight:800}.switcher-close{width:40px;height:40px;display:grid;place-items:center;border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer}.switcher-close:hover{background:var(--surface)}.switcher-body{overflow-y:auto;padding:8px 12px 24px;-webkit-overflow-scrolling:touch}.switcher-group{display:flex;align-items:center;gap:6px;margin:16px 8px 4px;font-size:12px;font-weight:800;color:var(--text-muted);letter-spacing:.02em}.menu-item{display:flex;align-items:center;gap:12px;padding:10px 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install-in{0%{opacity:0;transform:translate(-50%,16px)}to{opacity:1;transform:translate(-50%)}}.install-icon{flex-shrink:0;width:44px;height:44px;display:grid;place-items:center;border-radius:var(--radius);background:var(--accent);color:var(--accent-contrast)}.install-body{flex:1;min-width:0}.install-title{margin:0 0 2px;font-size:14px;font-weight:800}.install-text{margin:0;font-size:12px;line-height:1.5;color:var(--text-muted)}.install-text svg{vertical-align:-2px;margin:0 1px}.btn.install-cta{width:auto;flex-shrink:0;min-height:40px;padding:8px 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.step-chip{display:inline-flex;align-items:center;gap:4px;margin:0 3px;padding:1px 8px;border-radius:7px;background:var(--surface-2);border:1px solid var(--border-strong);font-weight:700;white-space:nowrap;vertical-align:-1px}.install-steps .step-chip svg{color:var(--accent)}.install-note{margin:0;font-size:11px;line-height:1.5;color:var(--text-dim)}