:root {
  --ink:#27312f; --muted:#64706d; --line:#d9e1de; --soft:#f5f7f6;
  --green:#18745f; --green-dark:#0d5948; --green-soft:#e9f4f0;
  --red:#a33a34; --red-soft:#fbefee; --amber:#8c5d13; --amber-soft:#fff6df;
  --blue:#285f82; --blue-soft:#edf5fa;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.75}
a{color:var(--green-dark);text-underline-offset:.2em} button,input,select,textarea{font:inherit} button,input,select{min-height:42px}
:focus-visible{outline:3px solid #e3a42d;outline-offset:2px}[hidden]{display:none!important}
.content-width{width:min(790px,calc(100% - 32px));margin-inline:auto}.wide-width{width:min(1160px,calc(100% - 28px));margin-inline:auto}
.site-header{border-bottom:1px solid #e5ebe8}.header-inner{width:min(790px,calc(100% - 32px));min-height:54px;margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:18px}
.site-name{color:var(--green);font-weight:750;text-decoration:none}.header-inner span{color:var(--muted);font-size:.82rem}
.intro{padding:28px 0 17px}h1,h2,h3,h4{line-height:1.42}h1{margin:0 0 11px;font-size:clamp(1.55rem,3vw,1.95rem);letter-spacing:-.02em}h2{margin:0 0 15px;font-size:1.35rem}h3{margin:0 0 10px;font-size:1.07rem}
.intro p{margin:0 0 11px;color:#4d5956}.privacy-line{display:flex;flex-wrap:wrap;gap:5px 12px;margin-top:15px;padding:10px 13px;border-left:4px solid var(--green);background:var(--green-soft);color:#285248;font-size:.91rem}.verified{color:var(--muted)!important;font-size:.82rem}
.checker{margin-top:14px;padding:clamp(18px,3vw,27px);border:1px solid var(--line);border-radius:10px}.checker-note{margin:-7px 0 18px;color:var(--muted);font-size:.9rem}
.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.drop-zone{display:grid;min-height:235px;padding:24px;place-items:center;border:2px dashed #aebbb6;border-radius:8px;background:var(--soft);text-align:center;cursor:pointer}.drop-zone.is-dragging{border-color:var(--green);background:var(--green-soft)}
.file-symbol{width:42px;height:48px;margin-inline:auto;position:relative;border:2px solid var(--green);border-radius:4px;background:#fff}.file-symbol::after{content:"TXT";position:absolute;inset:auto 3px 5px;color:var(--green);font-size:.67rem;font-weight:800}.drop-zone strong{display:block;margin-top:8px}.drop-zone p{margin:3px 0 11px;color:var(--muted);font-size:.87rem}
.file-label{display:inline-flex;min-height:42px;padding:7px 15px;align-items:center;border:1px solid var(--green);border-radius:6px;background:#fff;color:var(--green-dark);font-weight:650;cursor:pointer}
.input-panel textarea,.correction textarea{width:100%;min-height:170px;padding:10px;border:1px solid #aebbb6;border-radius:6px;resize:vertical;font: .88rem/1.55 Consolas,"SFMono-Regular",monospace}.input-panel label,.field label{display:block;margin-bottom:5px;font-weight:650}
.button-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}button{padding:8px 15px;border:1px solid var(--green);border-radius:6px;background:#fff;color:var(--green-dark);cursor:pointer;font-weight:650}button:hover{background:var(--green-soft)}.primary-button{background:var(--green);color:#fff}.primary-button:hover{background:var(--green-dark)}.secondary-button{border-color:#aebbb6;color:var(--ink)}.text-button{border-color:transparent}
.settings{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:18px;padding-top:17px;border-top:1px solid var(--line)}.field select,.filter-bar select,.filter-bar input,.correction select{width:100%;padding:8px 10px;border:1px solid #aebbb6;border-radius:6px;background:#fff;color:var(--ink)}
.field small{display:block;margin-top:4px;color:var(--muted);font-size:.77rem}.status{margin:16px 0 0;padding:10px 12px;border-radius:6px;font-size:.91rem}.status-info{background:var(--blue-soft);color:var(--blue)}.status-success{background:var(--green-soft);color:var(--green-dark)}.status-warning{background:var(--amber-soft);color:var(--amber)}.status-error{background:var(--red-soft);color:var(--red)}
.results{scroll-margin-top:14px;margin-top:28px;padding-top:23px;border-top:1px solid var(--line)}.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.summary-card{padding:13px;border:1px solid var(--line);border-radius:7px;background:var(--soft)}.summary-card span{display:block;color:var(--muted);font-size:.77rem}.summary-card strong{font-size:1.35rem}
.file-summary{display:flex;gap:8px;margin:13px 0;overflow-x:auto;padding-bottom:4px}.file-summary button{flex:0 0 auto;max-width:280px;padding:7px 10px;text-align:left;border-color:var(--line);color:var(--ink)}.file-summary strong,.file-summary span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-summary span{color:var(--muted);font-size:.72rem;font-weight:400}
.filter-bar{display:grid;grid-template-columns:210px 155px minmax(220px,1fr);gap:10px;margin:15px 0 8px}.filter-bar label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.visible-count{margin:0 0 7px;color:var(--muted);font-size:.8rem}
.result-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:7px}.result-table{width:100%;min-width:1060px;border-collapse:collapse;font-size:.84rem}.result-table th,.result-table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.result-table th{position:sticky;top:0;z-index:1;background:#eef2f0;white-space:nowrap}.result-table tr:last-child td{border-bottom:0}.result-table code{font-size:.82rem}.file-cell{max-width:155px;overflow-wrap:anywhere}.char-code{font-size:.94rem!important;font-weight:700}.context-cell{max-width:290px;font-family:Consolas,"SFMono-Regular",monospace;overflow-wrap:anywhere}.context-cell mark{padding:1px 3px;background:#ffe49d;color:var(--ink);border-radius:2px}
.issue-badge{display:inline-block;padding:2px 7px;border-radius:99px;white-space:nowrap;font-size:.74rem;font-weight:700}.badge-error{background:var(--red-soft);color:var(--red)}.badge-warning{background:var(--amber-soft);color:var(--amber)}.badge-notice{background:var(--blue-soft);color:var(--blue)}.detail-button{min-height:34px;padding:3px 9px}.detail-row td{padding:0;background:#fbfcfb}.detail-panel{max-width:820px;padding:17px 18px 19px}.detail-panel h4{margin:0 0 5px}.detail-panel p{margin:5px 0}.detail-panel dl{display:grid;gap:5px;margin:12px 0}.detail-panel dl div{display:grid;grid-template-columns:120px 1fr;gap:8px}.detail-panel dt{font-weight:700}.detail-panel dd{margin:0}.detail-caution{color:var(--muted);font-size:.78rem}.replace-controls{display:flex;flex-wrap:wrap;gap:8px;align-items:end;margin:12px 0}.replace-controls label{font-size:.79rem;font-weight:700}.replace-controls input{display:block;width:170px;padding:6px 8px;border:1px solid #aebbb6;border-radius:5px}.empty-row{padding:30px!important;color:var(--muted);text-align:center!important}
.results-actions{margin-top:13px}.correction{scroll-margin-top:14px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}.correction-head{display:grid;grid-template-columns:1fr 300px;gap:15px;align-items:end}.correction-head h3{margin:0}.correction textarea{min-height:260px;margin-top:12px}.correction-note{margin:10px 0 0;color:var(--muted);font-size:.8rem}
.guide{padding:60px 0 65px}.guide h2{margin-top:2.3em;padding:8px 12px;border-left:4px solid var(--green);background:var(--soft)}.guide h2:first-child{margin-top:0}.guide p,.guide li{color:#46534f}.comparison-table{width:100%;border-collapse:collapse;font-size:.9rem}.comparison-table th,.comparison-table td{padding:9px 10px;border:1px solid var(--line);text-align:left;vertical-align:top}.comparison-table th{background:var(--soft)}.note-box{margin:16px 0;padding:13px 15px;border-left:4px solid #c08a29;background:var(--amber-soft)}
.guide-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0}.guide-card{display:block;padding:13px;border:1px solid var(--line);border-radius:7px;text-decoration:none}.guide-card strong{display:block}.guide-card span{color:var(--muted);font-size:.82rem}.faq details{border-bottom:1px solid var(--line)}.faq summary{padding:13px 3px;cursor:pointer;font-weight:650}.faq p{margin:0;padding:0 3px 14px}.source-links{padding-left:22px}
.site-footer{border-top:1px solid var(--line);background:var(--soft)}.footer-inner{width:min(790px,calc(100% - 32px));margin-inline:auto;padding:27px 0;color:var(--muted);font-size:.84rem}.footer-inner nav{display:flex;flex-wrap:wrap;gap:15px}.legal-page{padding:40px 0 65px}.noscript{margin:0;padding:10px;background:var(--red-soft);color:var(--red);text-align:center}
@media(max-width:780px){.input-grid{grid-template-columns:1fr}.summary-grid{grid-template-columns:1fr 1fr}.filter-bar{grid-template-columns:1fr 1fr}.filter-bar>div:last-of-type{grid-column:1/-1}.correction-head{grid-template-columns:1fr}.guide-list{grid-template-columns:1fr}}
@media(max-width:540px){body{font-size:15px}.header-inner{align-items:flex-start;flex-direction:column;gap:0;padding:8px 0}.checker{width:calc(100% - 20px);padding:15px 12px}.settings,.filter-bar{grid-template-columns:1fr}.filter-bar>div:last-of-type{grid-column:auto}.button-row>*{width:100%}.summary-grid{gap:7px}.summary-card{padding:10px}.detail-panel dl div{grid-template-columns:1fr}.replace-controls>*{width:100%!important}.replace-controls input{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}