:root{--bg:#f3f8fb;--surface:#fff;--ink:#1f2c3a;--brand:#0d6b9f;--brand2:#0fb98d;--line:#d7e3ea;--danger:#c33b4a;--ok:#1b8f53}*{box-sizing:border-box}body{margin:0;font-family:"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--ink);background:radial-gradient(1200px 600px at 100% -10%,#d4edf7,transparent) , var(--bg)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:rgba(255,255,255,.9);backdrop-filter:blur(6px);position:sticky;top:0;border-bottom:1px solid var(--line);z-index:10}.brand{display:flex;align-items:center;gap:8px;color:#0d415d;text-decoration:none;font-weight:800;font-size:1.1rem}.brand img{width:34px;height:34px}nav{display:flex;gap:8px;flex-wrap:wrap}nav a{color:#17435c;text-decoration:none;padding:8px 10px;border-radius:9px}nav a:hover{background:#e9f4fb}nav a.cta{background:#0f7fc4;color:#fff}.container{max-width:980px;margin:18px auto;padding:0 14px 24px}.hero{padding:20px 2px}.hero h1{margin:0 0 8px;font-size:clamp(1.5rem,4vw,2.1rem)}.hero p{margin:0;color:#476074}.tool-links{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}.tool-link{background:#eef7fd;border:1px solid #cae5f7;padding:10px 12px;border-radius:10px;color:#114360;text-decoration:none;font-weight:700;cursor:pointer}.tool-link.strong{background:#daf6ec;border-color:#b6e8d6}.mode-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.mode-tab{border:1px solid #b7d7ea;background:#f4fbff;color:#0f4764;padding:10px 12px;border-radius:10px;font-weight:800;cursor:pointer}.mode-tab.active{background:linear-gradient(120deg,#0d6b9f,#0fb98d);color:#fff;border-color:transparent}.active-mode{border:1px solid #d7e9f5}.current-op{margin:0;font-size:.95rem}.card{background:var(--surface);border-radius:16px;padding:16px;margin-bottom:16px;box-shadow:0 10px 28px rgba(15,36,60,.08)}h2,h3{margin:6px 0 12px}.muted{color:#557083;font-size:.92rem}.warn{background:#fff3cd;border:1px solid #efdca0;border-radius:10px;padding:10px}.row{display:flex;gap:12px;align-items:end;flex-wrap:wrap}.row>div{flex:1;min-width:180px}label{font-weight:700;font-size:.92rem;display:block;margin-bottom:6px}input,select,button{width:100%;padding:12px;border-radius:11px;border:1px solid #c9d9e3;font-size:1rem}input:focus,select:focus{outline:none;border-color:#62a8d0;box-shadow:0 0 0 3px rgba(60,140,190,.16)}.btn-primary{background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff;border:none;font-weight:800;cursor:pointer}.btn-primary:hover{opacity:.95}.dropzone{border:2px dashed #8ec4df;background:#f8fcff;padding:22px;border-radius:14px;text-align:center;cursor:pointer;margin-bottom:14px}.dropzone.dragover{background:#e8f6ff;border-color:#2196d4}.dropzone input{display:none}.file-picked{font-size:.9rem;color:#244b63;margin-bottom:6px}.file-list{margin:0 0 10px 16px;padding:0;color:#34586f;font-size:.9rem}.file-list li{margin:3px 0}.adv{margin-top:12px;background:#f9fcff;border:1px solid #e2eef7;border-radius:12px;padding:10px}.adv summary{cursor:pointer;font-weight:700;margin-bottom:10px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:.92rem}th,td{padding:10px;border-bottom:1px solid var(--line);white-space:nowrap}.flash{padding:11px;border-radius:10px;margin-bottom:10px}.flash.success{background:#e8f8ef;color:var(--ok)}.flash.error{background:#ffe8ed;color:var(--danger)}.inline-form{display:flex;gap:6px;align-items:center}.inline-form select,.inline-form button{padding:6px 8px}.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}.auth{max-width:560px;margin-inline:auto}.footer{text-align:center;padding:20px;color:#5f7a8f;font-size:.86rem}.footer-links{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:8px}.footer-links a{text-decoration:none;color:#2b5974}.terms p{line-height:1.75}.progress-wrap{width:100%;height:14px;background:#e8eff5;border-radius:999px;overflow:hidden;margin:8px 0 10px}.progress-bar{width:0;height:100%;background:linear-gradient(90deg,#1099d6,#0fb98d);transition:width .25s ease}#download-link{display:inline-block;padding:10px 14px;border-radius:10px;background:#0b7cc0;color:#fff;text-decoration:none;font-weight:700}#download-link:hover{opacity:.92}@media (max-width:760px){.topbar{align-items:flex-start;flex-direction:column;gap:8px}nav{width:100%;justify-content:flex-start}nav a{font-size:.9rem;padding:8px}.container{padding:0 10px 22px}.card{border-radius:14px;padding:13px}}