@import url("https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@400;500;700;800&family=Syne:wght@800&display=swap");:root{--color-accent:#c0634c;--bg:#eaf6ff;--paper:#fff;--ink:#3a3a3a;--ink-soft:#7c8a93;--blue:#3fa9e0;--blue-dark:#2b8cc4;--blue-soft:#dff1fc;--yellow:#ffc93c;--yellow-dark:#c98f00;--green:#6fcf97;--green-dark:#396;--green-soft:#e5f8ee;--line:#d7ecfb}*{box-sizing:border-box}body{margin:0;background-color:#ece1cb;background-image:url(/images/bg-mosaic.png);background-size:160px 160px;font-family:M PLUS Rounded\ 1c,sans-serif;color:var(--ink);min-height:100vh;display:flex;flex-direction:column}.app-paper{max-width:1180px;margin:0 auto;background:var(--bg);box-shadow:0 0 32px rgba(28,28,46,.16);flex:1 0 auto;flex-direction:column}.app-main,.app-paper{width:100%;display:flex}.app-main{flex:1 0 auto;justify-content:center;padding:40px 18px 20px}.app{width:100%;max-width:620px}.paper-release{margin-top:auto;align-self:flex-end;padding:8px 20px 10px;font-size:11px;color:#9fb4c0;font-family:ui-monospace,monospace;-webkit-margin-before:auto;margin-block-start:auto;-webkit-margin-after:0;margin-block-end:0}.site-nav{border-bottom:1px solid #ebebeb;position:-webkit-sticky;position:sticky;top:0;background:hsla(0,0%,100%,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100}.site-nav-inner{max-width:1232px;margin:0 auto;padding:14px 16px;display:flex;justify-content:space-between;align-items:center}.site-nav-logo{font-family:Syne,sans-serif;font-weight:800;font-size:1.2rem;letter-spacing:.08em;color:#1c1c2e;text-decoration:none}.site-nav-logo span{color:var(--color-accent)}.site-nav-links{display:flex;gap:6px 22px;align-items:center;flex-wrap:wrap}.site-nav-links a{font-size:13.5px;font-weight:700;color:#55555f;text-decoration:none;text-underline-offset:6px;text-decoration-thickness:2px;white-space:nowrap;transition:color .15s}.site-nav-links a:hover{color:var(--color-accent);text-decoration:underline}.ph-ref{display:inline-block;margin-top:4px;color:#fff;background:#ef8a3c;border:1px solid #ef8a3c;border-radius:2px;font-weight:700;font-size:12.5px;padding:6px 18px;text-decoration:none;transition:background .15s}.ph-ref:hover{background:#e07428;border-color:#e07428;color:#fff}@media (max-width:480px){.site-nav-inner{gap:8px;padding:10px 14px}.site-nav-links{gap:4px 13px;justify-content:flex-end}.site-nav-links a{font-size:12.5px}}@media (max-width:360px){.site-nav-logo{font-size:1.05rem}.site-nav-links{gap:4px 9px}.site-nav-links a{font-size:11.5px}}.site-footer-app{background:#1a1a1a;padding:1.25rem 1.5rem;flex-direction:column;gap:.75rem;text-align:center}.sfa-row,.site-footer-app{display:flex;align-items:center;justify-content:center}.sfa-row{gap:1.5rem;flex-wrap:wrap}.sfa-logo{font-family:Syne,sans-serif;font-weight:800;font-size:1.15rem;letter-spacing:.08em;color:#fff;text-decoration:none}.sfa-logo span{color:var(--color-accent)}.sfa-nav{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center}.sfa-nav a{font-size:13px;color:#888;text-decoration:none;transition:color .15s}.sfa-nav a:hover{color:#fff}.sfa-copy{display:flex;align-items:center;justify-content:center;gap:1rem;font-size:12px;color:#888;flex-wrap:wrap;white-space:normal}.sfa-copy a{color:#888;text-decoration:none;transition:color .15s}.sfa-copy a:hover{color:#fff}.header-row{display:flex;align-items:center;gap:14px;margin-bottom:6px}.mascot{flex-shrink:0}.eyebrow{font-size:14px;font-weight:700;color:var(--blue-dark);margin:0 0 4px}h1.title{font-size:32px;font-weight:800;margin:0;color:var(--ink)}.lead{font-size:15px;color:var(--ink-soft);margin:14px 0 26px;line-height:1.9;font-weight:500}.header-visual{display:block;width:100%;height:170px;object-fit:cover;object-position:center 30%;margin:0 0 26px}.card,.header-visual{border-radius:26px;box-shadow:0 6px 0 var(--blue-soft),0 10px 24px rgba(63,169,224,.14)}.card{background:var(--paper);padding:26px}.image-row{display:flex;align-items:center;gap:12px;margin-bottom:20px;padding-bottom:20px;border-bottom:3px dashed var(--line)}.upload-btn{display:inline-flex;align-items:center;gap:8px;background:var(--green);border:none;color:#fff;font-size:15px;font-weight:700;font-family:inherit;padding:12px 18px;border-radius:999px;cursor:pointer;white-space:nowrap;box-shadow:0 3px 0 var(--green-dark)}.upload-btn:hover{filter:brightness(1.05)}.upload-btn.loading{opacity:.6;pointer-events:none}.filename{font-size:13px;color:var(--ink-soft);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.options{display:flex;gap:10px;margin-bottom:18px;font-size:14px}.options label{display:flex;align-items:center;justify-content:center;gap:6px;cursor:pointer;padding:12px 14px;border-radius:16px;background:#f3f8fb;color:var(--ink-soft);font-weight:700;border:2.5px solid transparent;transition:all .15s ease;flex:1 1;text-align:center}.options input{display:none}.options label.active{background:var(--blue-soft);color:var(--blue-dark);border-color:var(--blue)}textarea{width:100%;min-height:170px;resize:vertical;padding:18px;font-family:inherit;font-size:16px;line-height:1.9;color:var(--ink);border:3px solid var(--line);border-radius:18px;background:#fbfdff;outline:none}textarea:focus{border-color:var(--blue)}textarea::placeholder{color:#b7c7d1}.hint{font-size:12.5px;color:#a9b6bf;margin:10px 4px 22px;font-weight:500}button.run-btn{display:flex;width:100%;align-items:center;justify-content:center;gap:9px;background:var(--blue);color:#fff;border:none;padding:16px 26px;font-size:17px;font-family:inherit;font-weight:800;border-radius:18px;cursor:pointer;box-shadow:0 4px 0 var(--blue-dark);transition:transform .08s ease}button.run-btn:hover:not(:disabled){filter:brightness(1.03)}button.run-btn:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px 0 var(--blue-dark)}button.run-btn:disabled{opacity:.55;cursor:default;box-shadow:none}.output-wrap{margin-top:26px;position:relative;border-radius:20px;padding:26px 22px 22px;background:var(--green-soft);border:3px solid #cdeedc}.seal{position:absolute;top:-16px;right:16px;background:var(--yellow);color:#6b4f00;font-size:13px;font-weight:800;padding:7px 16px;border-radius:999px;box-shadow:0 3px 0 var(--yellow-dark)}.output{font-size:17px;line-height:2.7;white-space:pre-wrap;word-break:break-word}ruby{ruby-align:center}rt{font-size:11px;color:var(--blue-dark);letter-spacing:0;font-weight:700}.output-actions{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}.output-actions button{display:inline-flex;align-items:center;gap:6px;background:#fff;border:2px solid #cdeedc;color:var(--green-dark);font-size:13px;font-weight:700;padding:9px 16px;border-radius:999px;cursor:pointer;font-family:inherit}.output-actions button:hover{border-color:var(--green);background:var(--green-soft)}.error{margin-top:16px;color:#c0532e;background:#fff0e8;border:2px solid #ffd3ba;padding:12px 16px;border-radius:14px}.error,.toast{font-size:14px;font-weight:600}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(10px);background:var(--ink);color:#fff;padding:10px 22px;border-radius:999px;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.app-section{margin-top:34px}.app-eyebrow{font-size:13px;font-weight:700;color:var(--blue-dark);margin:0 0 4px}.app-h2{font-size:20px;font-weight:800;color:var(--ink);margin:0}.app-steps{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px;margin-top:14px}.app-faq-card,.app-step-card{background:var(--paper);border-radius:18px;padding:16px;box-shadow:0 4px 0 var(--blue-soft)}.app-step-no{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:800;margin-bottom:10px}.app-faq-card h3,.app-step-card h3{font-size:14px;font-weight:800;margin:0;color:var(--ink)}.app-faq-card p,.app-step-card p{font-size:13px;color:var(--ink-soft);line-height:1.8;margin:6px 0 0}.app-faq-grid{display:grid;grid-gap:10px;gap:10px;margin-top:14px}@media (max-width:640px){.app-steps{grid-template-columns:1fr}}.scroll-top-float{position:fixed;bottom:28px;right:24px;width:40px;height:40px;border-radius:50%;background:#2c2c2a;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#aaa;font-size:18px;box-shadow:0 2px 12px rgba(0,0,0,.18);opacity:0;pointer-events:none;transition:opacity .25s,background .15s;z-index:200}.scroll-top-float.visible{opacity:1;pointer-events:auto}.scroll-top-float:hover{background:#444}@media print{body{background:#fff;display:block}.app-section,.error,.header-row,.header-visual,.hint,.image-row,.lead,.options,.output-actions,.paper-release,.scroll-top-float,.seal,.site-footer-app,.site-nav,.toast,button.run-btn,textarea{display:none!important}.app-paper{max-width:none;box-shadow:none;background:#fff;display:block}.app-main{padding:0;display:block}.app{max-width:none}.card{box-shadow:none;border-radius:0}.card,.output-wrap{padding:0;background:none}.output-wrap{margin:0;border:none;border-radius:0}.output{font-size:18px;line-height:3;color:#000}rt{color:#000;font-weight:500}}