:root{--bg: #f5f7fb;--panel: #ffffff;--text: #111827;--muted: #5b6472;--line: #d8dee9;--blue: #2563eb;--green: #059669;--orange: #ea580c;--soft-blue: #eff6ff;--shadow: 0 16px 40px rgba(17, 24, 39, .08);font-family:Yu Gothic UI,Yu Gothic,Meiryo,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{border:0;cursor:pointer}.container{width:min(1120px,calc(100% - 36px));margin:0 auto}.site-header{background:#111827;color:#fff;border-bottom:1px solid #0f172a}.site-header__inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:12px}.brand__mark{width:44px;height:44px;display:grid;place-items:center;border-radius:8px;background:var(--blue);color:#fff;font-weight:900;font-size:18px}.brand__name{font-size:18px;font-weight:900}.brand__note{margin-top:3px;color:#cbd5e1;font-size:12px}.nav{display:flex;gap:14px;color:#dbe4f5;font-size:14px;font-weight:800}.hero{padding:56px 0 26px}.hero__label{display:inline-flex;color:#1d4ed8;background:#dbeafe;border:1px solid #bfdbfe;border-radius:999px;padding:7px 10px;font-size:13px;font-weight:900}.hero h1{margin:18px 0 12px;max-width:820px;font-size:clamp(34px,5vw,56px);line-height:1.12;letter-spacing:0}.hero p{max-width:720px;margin:0;color:var(--muted);font-size:17px;line-height:1.8}.section{padding:26px 0}.section__head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:14px}.section h2{margin:0;font-size:24px}.section__note{margin:6px 0 0;color:var(--muted);line-height:1.7}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.tool-card{display:grid;gap:12px;min-height:190px;padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.tool-card__category{width:fit-content;color:#1d4ed8;background:#eff6ff;border:1px solid #bfdbfe;border-radius:999px;padding:5px 8px;font-size:12px;font-weight:900}.tool-card h3{margin:0;font-size:19px}.tool-card p{margin:0;color:var(--muted);line-height:1.7}.tool-card__status{margin-top:auto;color:var(--green);font-size:13px;font-weight:900}.tool-card__status.is-soon{color:var(--orange)}.page{padding:32px 0 52px}.tool-layout{display:grid;grid-template-columns:minmax(330px,430px) minmax(0,1fr);gap:18px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:18px;min-width:0}.panel h2{margin:0 0 14px;font-size:18px}.field{display:grid;gap:7px;margin-bottom:14px}.field label{color:var(--muted);font-size:13px;font-weight:900}textarea,input,select{width:100%;border:1px solid var(--line);border-radius:8px;background:#fbfcff;color:var(--text);padding:11px 12px;outline:none}textarea:focus,input:focus,select:focus{border-color:#93c5fd;box-shadow:0 0 0 3px #2563eb1f}textarea{min-height:138px;resize:vertical;line-height:1.55}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.segmented{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;background:#eef2f7;padding:5px;border-radius:8px;border:1px solid var(--line)}.segmented button{min-height:38px;border-radius:7px;background:transparent;color:var(--muted);font-weight:900}.segmented button.active{background:#fff;color:var(--blue);box-shadow:0 2px 8px #11182714}.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 13px;border-radius:8px;font-weight:900}.button.primary{background:var(--blue);color:#fff}.button.secondary{background:#eef2f7;color:#172033;border:1px solid var(--line)}.hint{background:var(--soft-blue);border:1px solid #bfdbfe;color:#1e3a8a;padding:11px 12px;border-radius:8px;line-height:1.6;font-size:13px;margin-bottom:14px}.output{min-height:420px;white-space:pre-wrap;line-height:1.65;background:#fbfcff;border:1px solid var(--line);border-radius:8px;padding:15px;color:var(--text)}.template-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}.template-button{min-height:54px;text-align:left;padding:10px;border-radius:8px;color:var(--text);background:#f8fafc;border:1px solid var(--line);font-weight:900}.content{max-width:780px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:22px;line-height:1.85}.content h1{margin-top:0}.content a{color:var(--blue);text-decoration:underline}.site-footer{padding:30px 0;color:var(--muted);border-top:1px solid var(--line)}.footer-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}.toast{position:fixed;right:20px;bottom:20px;background:#111827;color:#fff;padding:11px 14px;border-radius:8px;box-shadow:var(--shadow);opacity:0;transform:translateY(8px);pointer-events:none;transition:.18s ease;font-weight:800}.toast.show{opacity:1;transform:translateY(0)}@media(max-width:900px){.tool-grid,.tool-layout{grid-template-columns:1fr}}@media(max-width:640px){.container{width:min(100% - 28px,1120px)}.site-header__inner,.section__head{align-items:flex-start;flex-direction:column}.nav{width:100%;justify-content:flex-start}.form-row,.template-grid,.segmented{grid-template-columns:1fr}}