:root{--ink:#1B3A3A;--muted:#4A5F5D;--soft:#5A6E6C;--teal:#127064;--teal-dark:#0B4F46;--teal-bg:#E6F3EC;--line:#DCE3DD;--line2:#CBD5CF;--bg:#F6F7F2;--stage:#E9EDE6;--warn-bg:#FFF7EA;--warn-line:#EBD6B3;--warn-ink:#6B3E12;--warn-icon:#A3541C;--bad:#B4441C}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Yu Gothic UI","Hiragino Sans","Meiryo",system-ui,sans-serif;font-size:15px;line-height:1.7}
svg{flex-shrink:0}
a{color:var(--teal)}
p{margin:0}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

.topbar{min-height:72px;padding:10px 40px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:900;color:var(--ink);text-decoration:none}
.logo{width:30px;height:30px;color:var(--teal)}
.tag{font-size:11px;font-weight:500;color:var(--soft);border:1px solid var(--line2);border-radius:4px;padding:1px 8px}
.stepper{display:flex;align-items:center;gap:8px}
.step-tab{display:flex;align-items:center;gap:8px;border:0;background:none;padding:6px 4px;font:inherit;font-size:14px;font-weight:700;color:var(--soft);cursor:default}
.step-tab .dot{width:28px;height:28px;border-radius:50%;border:2px solid var(--line2);display:grid;place-items:center;font-size:13px}
.step-tab .dot svg{width:14px;height:14px}
.step-tab.current{color:var(--teal)}
.step-tab.current .dot{background:var(--teal);border-color:var(--teal);color:#fff}
.step-tab.done{color:var(--teal);cursor:pointer}
.step-tab.done .dot{background:var(--teal-bg);border-color:var(--teal-bg)}
.stepper .bar{width:28px;height:2px;background:var(--line2)}
.stepper .bar.done{background:var(--teal)}

main{max-width:1320px;margin:0 auto;padding:28px 40px 20px}
.status{margin:0 0 18px;padding:12px 16px;border-radius:10px;background:#E9EFE8;font-size:14px}
.status.error{background:#FCE7DF;color:#8A3112}
.status.success{background:#DBEFE3;color:#1C5A41}
.step-view{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:36px;align-items:start}
#step3.step-view{grid-template-columns:470px minmax(0,1fr)}
.col-main,.col-side{display:flex;flex-direction:column;gap:18px;min-width:0}
h1{margin:0;font-size:34px;font-weight:900;line-height:1.3}
.h-step{font-size:26px}
.lead{font-size:16px;color:var(--muted)}
.small{font-size:13px;color:var(--muted)}

button{font:inherit;cursor:pointer}
button:disabled{opacity:.4;cursor:not-allowed}
button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,a:focus-visible,.dropzone:focus-within{outline:3px solid #D69D44;outline-offset:3px}
.primary{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--teal);color:#fff;border:0;border-radius:10px;padding:13px 22px;font-size:16px;font-weight:700}
.primary:hover:not(:disabled){background:var(--teal-dark)}
.secondary{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--teal);border:2px solid var(--teal);border-radius:10px;padding:11px 18px;font-size:15px;font-weight:700}
.secondary svg{width:20px;height:20px}
.link{border:0;background:none;color:var(--teal);text-decoration:underline;padding:6px 4px;font-size:14px}
.wide{width:100%}
.tall{min-height:60px;justify-content:flex-start;text-align:left;font-size:17px}
.tall svg{width:24px;height:24px}
.tall span{display:flex;flex-direction:column;line-height:1.4}
.tall small{font-size:12px;font-weight:500;opacity:.85}
#download.tall{justify-content:center;font-size:18px}
.icon{width:44px;height:44px;border-radius:10px;border:1px solid var(--line2);background:#fff;font-size:20px;color:var(--ink)}
.row-gap{display:flex;gap:12px;align-items:center}
.row-gap.wrap{flex-wrap:wrap}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.nav-row{display:flex;gap:12px;margin-top:8px}
.go{flex:1;min-height:56px;border:0;border-radius:12px;background:var(--ink);color:#fff;font-size:16px;font-weight:700}
.back{min-height:56px;padding:0 20px;border:1px solid var(--line2);border-radius:12px;background:#fff;color:var(--ink);font-size:15px;font-weight:700}
.privacy{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.privacy svg{width:16px;height:18px}

.dropzone{min-height:330px;border:2px dashed #8FB3A8;border-radius:16px;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;cursor:pointer;padding:24px;text-align:center}
.dropzone.dragging{background:var(--teal-bg);border-color:var(--teal)}
.dropzone input{position:absolute;width:1px;height:1px;opacity:0}
.pdf-icon{width:80px;height:96px;color:var(--teal)}
.drop-title{font-size:21px;font-weight:700}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:12px}
.card-title{font-size:15px;font-weight:700}
.format-card{border-color:var(--teal);border-width:2px}

.notice{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:16px;padding:26px;color:#6B4A2A;gap:20px}
.notice h2{margin:0;font-size:18px;font-weight:900;color:var(--warn-ink)}
.notice-item{display:flex;gap:16px;align-items:flex-start;font-size:14px}
.notice-item svg{width:48px;height:48px;color:var(--warn-icon)}
.notice-head{font-size:16px;font-weight:700;color:#4A2B0C;margin-bottom:2px}
.notice-foot{padding-top:16px;border-top:1px solid var(--warn-line);font-size:13px}

.stage{background:var(--stage);border-radius:16px;padding:20px;align-items:center}
.stage-title{font-size:14px;font-weight:700}
.toolbar{display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700}
.zoom{display:flex;align-items:center;gap:6px;font-weight:500;margin-left:12px}
.zoom select{padding:6px;border-radius:8px;border:1px solid var(--line2);font:inherit}
.sheet-scroll{max-width:100%;max-height:690px;overflow:auto}
.sheet{position:relative;background:#fff;box-shadow:0 6px 20px rgba(27,58,58,.12);margin:auto}
.sheet canvas{display:block;width:100%;height:100%}
.sheet.placeholder{width:440px;height:300px;display:grid;place-items:center;box-shadow:none;background:#F7F8F4}
.placeholder canvas{display:none}
#source-empty{font-size:14px;color:#8B9A94}
.overlay{position:absolute;inset:0}
.cell{position:absolute;margin:0;padding:3px;border:1px dashed #C7D1CB;background:rgba(255,255,255,.02);color:#8B9A94;display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1}
.cell:hover{border:2px solid var(--teal)}
.cell[aria-pressed=true]{border:2px solid var(--teal);background:rgba(18,112,100,.12);align-items:flex-start;justify-content:flex-start}
.cell-label{white-space:nowrap;overflow:hidden;max-width:100%}
.cell[aria-pressed=true] .cell-label{background:var(--teal);color:#fff;font-size:11px;font-weight:700;border-radius:4px;padding:2px 5px}
.sheet-frame{width:430px;max-width:100%}
.output-sheet{width:100%;aspect-ratio:210/297}
.output-sheet .cell{border:1px solid #D7DDD8;background:repeating-linear-gradient(135deg,#EEF1EE 0 6px,#E2E7E3 6px 12px);color:#6F7F7B;font-size:11px}
.output-sheet .cell[aria-pressed=true]{border:2px solid var(--teal);background:var(--teal-bg);color:var(--teal-dark);align-items:center;justify-content:center}
.output-sheet .cell[aria-pressed=true] .cell-label{background:none;color:var(--teal-dark);font-size:13px;padding:0}
.output-sheet .cell .slot-no{font-size:10px;font-weight:500;color:var(--muted);margin-right:4px}
.output-sheet .cell.before-start{opacity:.45}

.big-count .num{font-size:56px;font-weight:900;line-height:1.1;color:var(--teal)}
.big-count .num small{font-size:22px;margin-left:6px}
.legend{display:flex;gap:16px;font-size:14px;color:var(--muted)}
.legend span{display:flex;align-items:center;gap:6px}
.swatch{width:18px;height:18px;display:inline-block}
.swatch.on{border:2px solid var(--teal);background:var(--teal-bg)}
.swatch.off{border:1px dashed #A0AEAA;background:#fff}
.warn{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:10px;padding:10px 12px;font-size:13px;color:#6B4A2A}

.plan-visual{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.plan-visual figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;color:var(--muted)}
.plan-visual svg{width:58px;height:82px}
.plan-num{font-size:30px;font-weight:900;color:var(--teal)}
.plan-num small{font-size:15px}
.plus{font-size:24px;color:#9DB3AC}

details.advanced{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-size:14px}
details.advanced summary{cursor:pointer;color:var(--teal);font-weight:700}
details.advanced[open] summary{margin-bottom:12px}
details.advanced details{border:0;padding:0}
.field{display:block;font-size:13px;margin-bottom:10px}
.field input,.field select{display:block;width:100%;margin-top:4px;padding:8px;border:1px solid var(--line2);border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}
.preset-state{font-size:12px;color:var(--muted)}

#result{background:transparent}
#clear-file:disabled{display:none}
#result-canvas{display:block;margin:auto;width:min(100%,520px);height:auto;box-shadow:0 6px 20px rgba(27,58,58,.12)}
.table-scroll{max-height:260px;overflow:auto;margin-top:8px}
table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}
th{position:sticky;top:0;background:#F0F4ED}
th,td{padding:6px 10px;border-bottom:1px solid #E4EAE2}
.print-opt{display:flex;align-items:center;justify-content:space-between;border-radius:10px;padding:10px 14px;font-size:15px;font-weight:700}
.print-opt svg{width:24px;height:24px}
.print-opt.good{border:2px solid var(--teal);background:var(--teal-bg);color:var(--teal)}
.print-opt.good span{color:var(--ink)}
.print-opt.bad{border:1px solid #E3C9B8;background:#FDF3EE;color:var(--bad)}
.check{display:flex;gap:12px;align-items:center;font-size:15px;font-weight:700;cursor:pointer}
.check input{width:22px;height:22px;accent-color:var(--teal);margin:0}
.remember{flex-direction:row;align-items:center;gap:14px;padding:16px 18px}
.remember svg{width:40px;height:56px;color:var(--teal)}

footer{max-width:1320px;margin:28px auto 0;padding:20px 40px 32px;border-top:1px solid var(--line);font-size:12px;color:var(--soft)}

@media (max-width:980px){
  .step-view,#step3.step-view{grid-template-columns:minmax(0,1fr)}
  .stepper .step-name{display:none}
  .topbar{padding:10px 16px}
  main{padding:20px 16px}
  footer{padding:20px 16px 28px}
  h1{font-size:28px}
  .sheet-frame{width:100%}
}

.danger-banner{grid-column:1/-1;display:flex;gap:16px;align-items:flex-start;background:#FDECEA;border:2px solid #C0392B;border-radius:14px;padding:18px 22px;color:#7A1F16;font-size:16px;line-height:1.7}
.danger-banner svg{flex:0 0 40px;width:40px;height:40px;color:#C0392B}
.danger-banner .danger-title{font-size:21px;font-weight:900;line-height:1.45;margin:0 0 4px}
.danger-banner p{margin:0}
@media (max-width:640px){.danger-banner{padding:14px 16px;font-size:15px}.danger-banner .danger-title{font-size:18px}.danger-banner svg{flex-basis:30px;width:30px;height:30px}}