:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}body{color:#fff;background:#000;margin:0;font-family:sans-serif}#root{justify-content:center;align-items:center;min-height:100vh;display:flex}.counter{cursor:pointer;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex}.counter-back-button{color:#fff;cursor:pointer;background:#444;border:none;border-radius:12px;width:180px;height:70px;font-size:1.5rem;position:absolute;top:20px;left:20px}.counter-plus-button{color:#fff;cursor:pointer;background:#16a34a;border:none;border-radius:12px;width:120px;height:70px;font-size:2rem;position:absolute;top:20px;right:20px}.start-button{grid-column:span 3}.counter h1{color:#fff;margin:0;font-size:min(40vw,22rem);font-weight:700;line-height:1}.complete{flex-direction:column;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex}.complete h1{color:#0f0;margin:0;font-size:min(40vw,22rem);line-height:1}.complete h2{color:#0f0;margin-top:20px;font-size:min(8vw,5rem)}@media screen and (orientation:portrait){body:before{content:"横向きで使用してください";color:#fff;text-align:center;z-index:9999;background:#000;justify-content:center;align-items:center;font-size:2rem;display:flex;position:fixed;inset:0}}.menu{flex-direction:column;justify-content:center;align-items:center;gap:30px;width:100vw;height:100vh;display:flex}.menu h1{letter-spacing:10px;color:#fff;text-shadow:0 0 10px #ffffff26;margin-bottom:50px;font-size:5rem}.menu-button{color:#fff;cursor:pointer;background:linear-gradient(#3a3a3a,#1f1f1f);border:2px solid #666;border-radius:16px;width:350px;height:90px;font-size:2rem;font-weight:700;transition:transform .1s,background .2s;box-shadow:0 6px 12px #0009,inset 0 1px #ffffff26}.menu-button:hover{background:linear-gradient(#4a4a4a,#2b2b2b)}.menu-button:active{filter:brightness(1.15);transform:scale(.98)}.input-screen{width:100vw;height:100vh;display:flex;position:relative}.input-left{justify-content:center;align-items:center;width:60%;display:flex}.display{text-align:center;word-break:break-all;width:100%;font-size:min(12vw,8rem);font-weight:700}.input-right{grid-template-columns:repeat(4,minmax(80px,120px));place-content:center;gap:15px;width:40%;display:grid}.input-right button{color:#fff;cursor:pointer;border:none;border-radius:12px;width:100%;height:80px;font-size:2rem;transition:transform 80ms,filter .1s}.input-right button:active{transform:scale(.97)}.input-right button{transition:transform 80ms,filter 80ms}.equal-button{grid-column:span 4}.input-right button:active{filter:brightness(1.15);transform:scale(.97)}.number-button{color:#fff;background:#444}.operator-button{color:#fff;background:#d97706}.clear-button{color:#fff;background:#b91c1c}.backspace-button{color:#fff;background:#7c2d12}.equal-button{color:#fff;background:#2563eb}.start-button{color:#fff;background:#16a34a}.input-menu-wrapper{position:absolute;top:20px;left:20px}.history{flex-direction:column;align-items:center;gap:12px;padding:20px;display:flex}.history-title{color:#fff;font-size:2rem}.history-card{text-align:center;background:#1f1f1f;border:1px solid #333;border-radius:12px;width:400px;padding:16px;position:relative}.history-count{color:#22c55e;margin:0;font-size:2.5rem;font-weight:700}.history-date{color:#fff;margin-top:6px;font-size:1rem}.history-delete{color:#888;cursor:pointer;background:0 0;border:none;font-size:1.3rem;position:absolute;top:8px;right:8px}.history-delete:hover{color:red}.history-clear{color:#fff;cursor:pointer;background:#b91c1c;border:none;border-radius:10px;margin-top:20px;padding:12px 20px}.history-back-wrapper{position:absolute;top:20px;left:20px}.menu{flex-direction:column;justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative}.menu-cat{opacity:.8;pointer-events:none;width:180px;height:auto;position:absolute;bottom:20px;right:20px}