.tool-page{--tl-ind:#1a3c66;--tl-ind-deep:#14304f;--tl-wash:#eef2f7;--tl-wash2:#e2e9f1;--tl-good:#1c855a;--tl-good-w:#e6f4ec;--tl-warn:#a9670f;--tl-warn-w:#f8eddb;--tl-crit:#b0344f;--tl-crit-w:#f7e4e9;--tl-info:#1a3c66;--tl-info-w:#eef2f7;color:var(--ink,#111c30);padding-bottom:80px}.tool-page .wrap{max-width:860px;margin:0 auto;padding:0 20px}.tool-page .tool-wrap{max-width:820px}.tool-hero{color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);background:linear-gradient(135deg,#12315c 0%,#1e4e8c 100%);margin-bottom:30px;padding:48px 0 42px}.tool-hero .tool-h1{color:#fff}.tool-hero .tool-lead{color:#ffffffd9}.tool-hero .tool-lead strong{color:#fff}.tool-head{padding:26px 0 8px}.tool-kick{letter-spacing:.14em;text-transform:uppercase;color:var(--tl-ind);align-items:baseline;gap:10px;margin:0 0 10px;font-size:12px;font-weight:700;display:flex}.tool-hero .tool-kick{color:#ffffffb8}.tool-en{letter-spacing:.06em;opacity:.8;font-family:Georgia,serif;font-size:11px;font-weight:400}.tool-h1{text-wrap:balance;margin:0 0 12px;font-family:Hiragino Mincho ProN,Yu Mincho,serif;font-size:27px;font-weight:600;line-height:1.34}.tool-lead{color:var(--ink-soft,#2f3b52);max-width:64ch;margin:0;font-size:15px;line-height:1.7}.tool-lead strong{color:var(--ink,#111c30)}.tool-crumb{color:var(--ink-faint,#6c7189);flex-wrap:wrap;align-items:center;gap:8px;padding:22px 0 4px;font-size:12.5px;display:flex}.tool-crumb a{color:var(--tl-ind);text-decoration:none}.tool-crumb a:hover{text-decoration:underline}.tool-crumb .cur{color:var(--ink-faint,#6c7189)}.tool-crumb span{color:var(--line,#d8dbe8)}.tool-stage{margin-bottom:30px}.tool-stage-h{color:var(--ink,#111c30);border-bottom:2px solid var(--tl-wash);align-items:baseline;gap:9px;margin:0 0 13px;padding-bottom:8px;font-family:Hiragino Mincho ProN,Yu Mincho,serif;font-size:18px;font-weight:600;display:flex}.tool-stage-n{font-family:var(--sans);color:var(--tl-ind);background:var(--tl-wash);font-variant-numeric:tabular-nums;border-radius:4px;padding:1px 8px;font-size:12px;font-weight:700}.tool-cards{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-top:6px;display:grid}.tool-card{background:var(--surface,#fff);border:1px solid var(--line,#e3e7ee);color:var(--ink,#111c30);border-top:3px solid var(--tl-ind);border-radius:5px;flex-direction:column;gap:7px;padding:18px 18px 16px;text-decoration:none;transition:border-color .2s,box-shadow .2s,transform .2s;display:flex}.tool-card:hover{box-shadow:var(--shadow);border-color:#c3d0e2;transform:translateY(-2px)}.tool-card-t{font-family:Hiragino Mincho ProN,Yu Mincho,serif;font-size:16.5px;font-weight:600;line-height:1.35}.tool-card-d{color:var(--ink-soft,#2f3b52);flex:1;font-size:13px;line-height:1.6}.tool-card-go{color:var(--tl-ind);margin-top:2px;font-size:12.5px;font-weight:700}.tool-disc{color:var(--ink-faint,#6c7189);border-left:2px solid var(--line,#e3e7ee);margin-top:22px;padding-left:12px;font-size:12.5px;line-height:1.7}.tool-disc a{color:var(--tl-ind)}.calc{margin-top:18px}.calc-inputs{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:0;display:grid}.calc-field{flex-direction:column;gap:5px;display:flex}.calc-flabel{color:var(--ink,#111c30);font-size:13px;font-weight:600}.calc-unit{color:var(--ink-faint,#6c7189);font-size:12px;font-weight:400}.calc-num{font:inherit;font-variant-numeric:tabular-nums;border:1px solid var(--line,#d8dbe8);background:var(--surface,#fff);color:var(--ink,#111c30);border-radius:4px;width:100%;padding:9px 12px;font-size:16px;transition:border-color .15s,box-shadow .15s}.calc-num:focus{border-color:var(--tl-ind);box-shadow:0 0 0 3px var(--tl-wash);outline:none}.calc-hint{color:var(--ink-faint,#6c7189);font-size:11.5px;line-height:1.5}.calc-out{background:var(--tl-wash);border:1px solid var(--tl-wash2);border-radius:5px;flex-wrap:wrap;gap:12px;margin-top:20px;padding:18px;display:flex}.calc-o{flex-direction:column;gap:2px;min-width:120px;display:flex}.calc-o-l{color:var(--ink-faint,#6c7189);font-size:12px;font-weight:600}.calc-o-v{font-variant-numeric:tabular-nums;color:var(--ink,#111c30);align-items:baseline;gap:4px;font-size:20px;font-weight:700;display:flex}.calc-o-u{color:var(--ink-faint,#6c7189);font-size:12px;font-weight:600}.calc-o.is-primary{background:var(--tl-ind);border-radius:4px;margin:-4px 0;padding:12px 16px}.calc-o.is-primary .calc-o-l{color:#c3d0e2}.calc-o.is-primary .calc-o-v{color:#fff;font-size:26px}.calc-o.is-primary .calc-o-u{color:#c3d0e2}.calc-formula{background:var(--surface,#fff);border:1px solid var(--line,#e3e7ee);border-radius:4px;align-items:flex-start;gap:10px;margin-top:16px;padding:11px 14px;display:flex;overflow-x:auto}.calc-formula-k{color:var(--tl-ind);background:var(--tl-wash);border-radius:3px;flex-shrink:0;margin-top:2px;padding:1px 8px;font-size:11px;font-weight:700}.calc-formula code{color:var(--ink-soft,#2f3b52);white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}.calc-formula-src{color:var(--ink-faint,#6c7189);margin:7px 0 0;font-size:11.5px;line-height:1.6}.calc-steps{border:1px solid var(--line,#e3e7ee);background:var(--tl-wash,#eef2f7);border-radius:4px;margin-top:14px;overflow:hidden}.calc-steps>summary{cursor:pointer;color:var(--tl-ind,#1a3c66);-webkit-user-select:none;user-select:none;padding:10px 14px;font-size:12.5px;font-weight:800;list-style:none}.calc-steps>summary::-webkit-details-marker{display:none}.calc-steps>summary:before{content:"▸ "}.calc-steps[open]>summary:before{content:"▾ "}.calc-steps ol{flex-direction:column;gap:7px;margin:0;padding:0 14px 12px 34px;display:flex}.calc-steps li{color:var(--ink-soft,#2f3b52);font-size:12px}.calc-steps code{white-space:normal;word-break:break-word;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;line-height:1.65}.calc-note{color:var(--ink-faint,#6c7189);margin:10px 0 0;font-size:12.5px;line-height:1.65}.calc-bands{margin-top:22px}.calc-bands-h{color:var(--ink,#111c30);margin-bottom:10px;font-family:Hiragino Mincho ProN,Yu Mincho,serif;font-size:15px;font-weight:600}.calc-bands ul{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.calc-band{background:var(--surface,#fff);border:1px solid var(--line,#e3e7ee);opacity:.72;border-radius:4px;grid-template-columns:auto 1fr;gap:2px 12px;padding:11px 14px;transition:all .2s;display:grid}.calc-band.is-active{opacity:1;box-shadow:var(--shadow-sm);border-width:1px}.calc-band-when{color:var(--ink-faint,#6c7189);font-variant-numeric:tabular-nums;white-space:nowrap;grid-column:1;align-self:center;font-size:12px;font-weight:700}.calc-band-label{grid-column:2;font-size:13.5px;font-weight:700}.calc-band-note{color:var(--ink-soft,#2f3b52);grid-column:1/-1;margin-top:3px;font-size:12.5px;line-height:1.55}.calc-band.tone-good.is-active{background:var(--tl-good-w);border-color:#a9dcc2}.calc-band.tone-good.is-active .calc-band-label{color:var(--tl-good)}.calc-band.tone-warn.is-active{background:var(--tl-warn-w);border-color:#e6cfa0}.calc-band.tone-warn.is-active .calc-band-label{color:var(--tl-warn)}.calc-band.tone-crit.is-active{background:var(--tl-crit-w);border-color:#e3aab8}.calc-band.tone-crit.is-active .calc-band-label{color:var(--tl-crit)}.calc-band.tone-info.is-active{background:var(--tl-info-w);border-color:#bcccdf}.calc-band.tone-info.is-active .calc-band-label{color:var(--tl-info)}.calc-band-label{color:var(--ink,#111c30)}.tool-block{margin-top:34px}.tool-h2{border-bottom:1px solid var(--line,#e3e7ee);margin:0 0 12px;padding-bottom:8px;font-family:Hiragino Mincho ProN,Yu Mincho,serif;font-size:18px;font-weight:600}.tool-src{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.tool-src a{color:var(--tl-ind);font-size:13.5px;line-height:1.55;text-decoration:none}.tool-src a:hover{text-decoration:underline}.tool-caveats{flex-direction:column;gap:7px;margin:0;padding-left:18px;display:flex}.tool-caveats li{color:var(--ink-soft,#2f3b52);font-size:13px;line-height:1.62}.tool-article{background:var(--tl-wash);color:var(--ink-soft,#2f3b52);border-radius:4px;margin-top:30px;padding:15px 18px;font-size:14px;line-height:1.6}.tool-article a{color:var(--tl-ind-deep);font-weight:600;text-decoration:none}.tool-article a:hover{text-decoration:underline}.tool-others{flex-wrap:wrap;gap:9px;display:flex}.tool-chip{background:var(--surface,#fff);border:1px solid var(--line,#e3e7ee);color:var(--ink,#111c30);border-radius:4px;align-items:center;padding:8px 14px;font-size:13px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.tool-chip:hover{background:var(--tl-wash);color:var(--tl-ind-deep);border-color:#c3d0e2}@media (max-width:560px){.tool-h1,.calc-o.is-primary .calc-o-v{font-size:22px}.calc-band{grid-template-columns:1fr;gap:4px 0}.calc-band-when{white-space:normal;grid-column:1/-1;align-self:start}.calc-band-label{grid-column:1/-1;font-size:14px}.calc-band-note{grid-column:1/-1}}