:root{--bg:#f7f8fa;--panel:#fff;--ink:#202124;--muted:#6b7280;--line:#e5e7eb;--blue:#2563eb;--blue-dark:#1d4ed8;--soft:#f3f6fb;--radius:12px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","Noto Sans JP",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.55}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}.wrap{width:min(1100px,calc(100% - 32px));margin:auto}
.nav{background:#fff;border-bottom:1px solid var(--line)}.nav-in{height:58px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px}.brand img{width:32px;height:32px;border-radius:7px}.brand small{display:block;color:#8a919e;font-weight:500;font-size:10px;line-height:1.2}.nav-links{display:flex;align-items:center;gap:20px;font-size:14px;color:#4b5563}.nav-links a:hover{color:var(--blue)}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 10px;color:#4b5563}
.simple-hero{text-align:center;padding:44px 0 28px}.simple-hero h1{font-size:clamp(32px,4.5vw,44px);line-height:1.1;letter-spacing:-.035em;margin:0 0 10px}.simple-hero p{margin:0;color:var(--muted);font-size:16px}.hero-actions{margin-top:18px;display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap}.hero-actions span{font-size:12px;color:#8a919e}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:8px;font-weight:700;font-size:14px;border:1px solid transparent}.btn.primary{color:#fff;background:var(--blue)}.btn.primary:hover{background:var(--blue-dark)}.btn.secondary{background:#fff;border-color:var(--line);color:#374151}
.tools-section{padding:6px 0 46px}.tool-search{max-width:620px;margin:0 auto 22px;height:44px;border:1px solid #d9dde5;border-radius:8px;background:#fff;display:flex;align-items:center;gap:10px;padding:0 14px}.tool-search:focus-within{border-color:#9db8f4;box-shadow:0 0 0 3px rgba(37,99,235,.08)}.tool-search span{font-size:22px;color:#9ca3af;transform:rotate(-20deg)}.tool-search input{border:0;outline:0;width:100%;font-size:14px;color:#374151;background:transparent}.tool-search input::placeholder{color:#9ca3af}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.tool-card{min-height:112px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:14px 12px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:.15s ease}.tool-card:hover{border-color:#b8c9ee;background:#fafcff}.tool-icon{height:34px;min-width:34px;padding:0 8px;border-radius:7px;display:grid;place-items:center;background:#eef3ff;color:var(--blue);font-size:18px;font-weight:800;margin-bottom:7px}.tool-card strong{font-size:14px}.tool-card small{display:block;margin-top:3px;color:#8a919e;font-size:11px}.no-results{text-align:center;color:var(--muted);padding:28px}
.info-section{background:#fafafa;border-block:1px solid var(--line);padding:34px 0}.info-section h2{text-align:center;font-size:21px;margin:0 0 22px;letter-spacing:-.02em}.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.info-grid strong{font-size:14px}.info-grid p{font-size:13px;color:var(--muted);margin:6px 0 0}.download-strip{padding:26px 0}.download-strip .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid var(--line);border-radius:8px;padding:16px 18px}.download-strip strong{display:block;font-size:16px}.download-strip span{font-size:12px;color:var(--muted)}
.footer{border-top:1px solid var(--line);padding:20px 0 26px;color:#7b8492;font-size:12px}.footer-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-links{display:flex;gap:18px;flex-wrap:wrap}.footer a:hover{color:var(--blue)}
.page-hero{padding:36px 0 16px}.page-hero .eyebrow{display:none}.page-hero h1{font-size:30px;letter-spacing:-.03em;margin:0 0 8px}.page-hero p{font-size:15px;color:var(--muted);max-width:720px;margin:0}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.feature{background:#fff;border:1px solid var(--line);border-radius:8px;padding:15px;text-align:center}.icon{height:36px;min-width:36px;width:max-content;padding:0 8px;margin:0 auto 9px;border-radius:8px;display:grid;place-items:center;background:#eef3ff;color:var(--blue);font-weight:800;font-size:17px}.feature h3{font-size:14px;margin:0 0 5px}.feature p{color:var(--muted);font-size:12px;margin:0}.section{padding:42px 0}.screen-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px}.screen-card img{border-radius:5px}.content-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px;margin:12px 0}.content-card h2{font-size:19px;margin:0 0 10px}.content-card h3{margin-top:22px}.content-card p,.content-card li{color:#4b5563;font-size:14px}.faq{display:grid;gap:9px;padding-bottom:34px}.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;padding:13px 15px}.faq summary{cursor:pointer;font-weight:700;font-size:14px}.faq p{color:var(--muted);font-size:13px}.download-box{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px}.download-box h2{font-size:20px}.version{font-size:12px;color:var(--muted)}.code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#f5f6f8;border:1px solid var(--line);color:#374151;border-radius:7px;padding:13px;overflow:auto;font-size:13px}.notice{border-left:3px solid var(--blue);background:#f5f8ff;padding:12px 14px;color:#4b5563;font-size:13px}
@media(max-width:900px){.tool-grid,.feature-grid{grid-template-columns:repeat(3,1fr)}.info-grid{grid-template-columns:1fr 1fr}.nav-links{display:none;position:absolute;top:58px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;box-shadow:0 10px 30px rgba(15,23,42,.08);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.menu-toggle{display:block}.download-box{grid-template-columns:1fr}}
@media(max-width:620px){.wrap{width:min(100% - 24px,1100px)}.simple-hero{padding:34px 0 24px}.simple-hero p{font-size:16px}.tool-grid,.feature-grid{grid-template-columns:1fr 1fr;gap:9px}.tool-card{min-height:112px;padding:14px 8px}.tool-card small{font-size:10px}.info-grid{grid-template-columns:1fr;gap:18px}.download-strip .wrap{align-items:flex-start;flex-direction:column}.download-strip .btn{width:100%}.page-hero h1{font-size:30px}.brand small{display:none}}