:root{--navy:#0f2747;--ink:#1f2937;--silver:#cbd5e1;--muted:#596779;--line:#e0e6ee;--bg:#f4f7fb;--white:#fff;--radius:14px;font-family:Inter,"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Segoe UI","Yu Gothic UI",Meiryo,sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:var(--navy);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 18px;min-height:44px;border:1px solid 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var(--line);padding:36px 32px 48px;display:grid;grid-template-columns:1fr auto;gap:12px}footer .brand{font-size:14px}footer p,footer small{font-size:12px;color:var(--muted)}footer nav{grid-column:2;grid-row:1/4;display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:flex-end;max-width:570px;font-size:12px}footer p{margin:0}@media(max-width:950px){.site-header{gap:20px}.site-header nav{gap:14px}.hero-copy{padding:40px 0 35px 30px}.hero-art{min-height:360px}.glass-front{padding:22px}.glass-front>span{font-size:22px}.hero{min-height:440px}.tool-card{padding:20px}.article-grid{grid-template-columns:1fr}.promise-grid{gap:12px}.promise-grid article{padding:22px}.image-results{grid-template-columns:repeat(2,1fr)}footer{grid-template-columns:1fr}footer nav{grid-column:auto;grid-row:auto;justify-content:flex-start}}@media(max-width:680px){.site-header{padding:18px 20px;flex-wrap:wrap;gap:15px}.site-header 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h1{font-size:28px}.option-grid{grid-template-columns:1fr}.fields{gap:10px}.image-results{grid-template-columns:1fr 1fr}.image-result{padding:10px}.image-result img{height:110px}.dev-banner{font-size:10px}.filters{gap:4px}.filter{padding:8px 13px}.privacy-note{align-items:flex-start}footer{padding:28px 20px}footer nav{gap:16px}.document{margin-top:35px}.document h1{font-size:28px}.article-grid{gap:10px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.tool-guide-nav{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}.tool-guide-nav a{display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border:1px solid var(--silver);border-radius:8px;background:#fff;font-size:14px}.tool-guide{max-width:960px;margin:44px auto 0}.guide-block{border-top:1px solid var(--line);padding:28px 0;scroll-margin-top:24px}.guide-block h2{font-size:24px;margin:0 0 18px}.guide-block p{line-height:1.9}.guide-steps{padding-left:26px}.guide-steps li{padding-left:8px;margin:22px 0}.guide-steps h3{font-size:17px;margin:0 0 6px}.guide-steps p{margin:0}.guide-case{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;margin:24px 0;scroll-margin-top:24px}.guide-case>h3{font-size:19px;margin:0 0 12px}.guide-case h4{font-size:14px;margin:14px 0 8px}.guide-settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0}.guide-settings>div{padding:12px 14px;background:var(--bg);border-radius:8px}.guide-settings dt{color:var(--muted);font-size:12px}.guide-settings dd{margin:3px 0 0;overflow-wrap:anywhere}.guide-comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.guide-comparison>div{min-width:0}.guide-comparison pre{max-width:100%;overflow:auto;white-space:pre;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:14px;font:13px/1.9 ui-monospace,Consolas,monospace;tab-size:4}.guide-frame svg{display:block;width:100%;height:220px;border:1px solid var(--silver);border-radius:8px;background:var(--bg)}.guide-check{border-left:3px solid var(--navy);padding:10px 16px;margin:22px 0 0}.guide-limits>div{display:grid;grid-template-columns:120px 1fr;gap:20px;border-bottom:1px solid var(--line);padding:16px 0}.guide-limits dt{font-weight:600}.guide-limits dd{margin:0;line-height:1.9}.guide-faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin:12px 0}.guide-faq summary{min-height:48px;padding:16px 18px;font-weight:600;cursor:pointer;line-height:1.7;overflow-wrap:anywhere}.guide-faq details>p{padding:0 18px;margin:0 0 18px}.guide-reference a{text-decoration:underline;text-underline-offset:3px}.guide-back{display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;border:1px solid var(--silver);border-radius:8px;background:#fff;margin-top:16px}.guide-entry{margin:48px 0}.guide-entry h2{font-size:26px;margin:8px 0}.guide-entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:24px}.guide-entry-grid>a{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}.guide-entry-grid h3{font-size:18px;line-height:1.6;margin:10px 0}.guide-entry-grid p{color:var(--muted);font-size:14px}.guide-entry-grid a>span:last-child{font-size:13px;font-weight:600}
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