.tool{max-width:var(--tool);margin-inline:auto;text-align:start}.card{background:var(--canvas);border:1px solid var(--hairline);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden}.card__row{padding:20px 24px;border-bottom:1px solid var(--hairline)}.card__row:last-child{border-bottom:0}.card__row--stack{display:grid;gap:12px}.card__foot{padding:20px 24px;background:var(--canvas-subtle)}.dropzone{width:100%;min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:32px;background:var(--canvas);font-family:inherit;color:var(--body);border:2px dashed var(--hairline-strong);border-radius:var(--radius-lg);cursor:pointer;transition:border-color .15s ease,background-color .15s ease}.dropzone.is-over,.dropzone:hover{border-color:var(--primary);background:var(--primary-soft)}.dropzone__icon{color:var(--primary)}.dropzone__title{font-size:18px;font-weight:700;color:var(--ink)}.dropzone__or{font-size:14px;color:var(--muted)}.dropzone__meta{font-size:13px;color:var(--muted)}.file{display:flex;align-items:flex-start;gap:14px}.file__badge{flex:none;width:44px;height:52px;border-radius:var(--radius-sm);background:var(--danger-soft);border:1px solid var(--danger-border);color:var(--danger);display:grid;place-items:center;font-size:11px;font-weight:700;font-family:var(--font-num);letter-spacing:.04em}.file__badge--xlsx{background:var(--success-soft);border-color:var(--success-border);color:var(--success)}.file__name{color:var(--ink);font-weight:700;line-height:1.6;word-break:break-all}.file__meta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:2px}.file__meta .sep{color:var(--hairline-strong)}.file__remove{margin-inline-start:auto;flex:none}.tag{display:inline-flex;align-items:center;gap:4px;height:22px;padding-inline:8px;border-radius:var(--radius-sm);font-size:12px;font-weight:700;letter-spacing:.02em}.tag--ok{background:var(--primary-soft);color:var(--primary);border:1px solid var(--primary-border)}.tag--warn{background:var(--warning-soft);color:var(--warning);border:1px solid var(--warning-border)}.opt{display:grid;grid-template-columns:140px 1fr;gap:16px;align-items:center;padding-block:10px}.opt+.opt{border-top:1px dashed var(--hairline)}.opt__label{font-size:14px;font-weight:700;color:var(--ink)}.choices{display:flex;flex-wrap:wrap;gap:8px}.choice{position:relative}.choice input{position:absolute;inset:0;opacity:0;cursor:pointer;margin:0}.choice span{display:inline-flex;align-items:center;height:36px;padding-inline:14px;border:1px solid var(--hairline-strong);border-radius:var(--radius-sm);font-size:14px;color:var(--body);background:var(--canvas);cursor:pointer;transition:all .15s ease}.choice input:checked+span{border-color:var(--primary);background:var(--primary-soft);color:var(--primary);font-weight:700}.choice input:focus-visible+span{outline:2px solid var(--primary);outline-offset:2px}.progress__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:10px}.progress__stage{font-weight:700;color:var(--ink)}.progress__pct{font-family:var(--font-num);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:15px;font-weight:500;color:var(--primary)}.bar{height:8px;background:var(--canvas-sunken);overflow:hidden}.bar,.bar__fill{border-radius:var(--radius-full)}.bar__fill{height:100%;background:var(--primary);transition:width .3s ease}.progress__sub{font-size:13px;color:var(--muted);margin-top:10px}.result__head{display:flex;align-items:center;gap:10px;color:var(--success);font-weight:700}.preview{border:1px solid var(--hairline);border-radius:var(--radius-md);overflow:hidden;background:var(--canvas)}.preview__bar{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--canvas-sunken);border-bottom:1px solid var(--hairline);font-size:12px;color:var(--muted)}.preview__scroll{overflow-x:auto;max-height:280px;overflow-y:auto}table.sheet{border-collapse:collapse;width:100%;font-size:13px;line-height:1.6}table.sheet td,table.sheet th{border:1px solid var(--hairline);padding:6px 10px;min-width:88px;white-space:nowrap;text-align:start}table.sheet thead th{position:sticky;top:0;background:var(--canvas-sunken);color:var(--ink);font-weight:700;z-index:1}table.sheet td.n{text-align:end;font-family:var(--font-num);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}table.sheet tbody th{font-weight:400;text-align:center;min-width:36px;position:sticky;inset-inline-start:0}.preview__more,table.sheet tbody th{background:var(--canvas-subtle);color:var(--muted)}.preview__more{padding:8px 12px;font-size:12px;border-top:1px solid var(--hairline)}.actions{gap:12px}.actions,.trust{display:flex;flex-wrap:wrap}.trust{justify-content:center;gap:10px 20px;margin-top:24px}.trust li{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink)}.trust svg{color:var(--success);flex:none}.privacy-line{text-align:center;font-size:13px;color:var(--muted);margin-top:14px}@media (max-width:640px){.dropzone{min-height:220px}.card__foot,.card__row{padding:16px}.opt{grid-template-columns:1fr;gap:8px;align-items:start}.actions .btn{width:100%}.trust{gap:8px 16px}}.range-input{height:36px;padding-inline:12px;border:1px solid var(--hairline-strong);border-radius:var(--radius-sm);font-family:var(--font-num);font-size:14px;color:var(--ink);background:var(--canvas);width:140px}.range-input:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.warn-list{margin:6px 0 0;padding:0;list-style:none}.warn-list li{position:relative;padding-inline-start:14px}.warn-list li:before{content:"・";position:absolute;inset-inline-start:0}.advanced{border-top:1px solid var(--hairline);background:var(--canvas-subtle)}.advanced summary{list-style:none;cursor:pointer;padding:16px 24px 16px 44px;position:relative;font-size:14px;color:var(--body);line-height:1.7}.advanced summary::-webkit-details-marker{display:none}.advanced summary:before{content:"";position:absolute;inset-inline-start:24px;top:23px;width:7px;height:7px;border-inline-end:2px solid var(--muted);border-block-end:2px solid var(--muted);transform:rotate(-45deg);transition:transform .2s ease}.advanced[open] summary:before{transform:rotate(45deg);top:21px}.advanced summary:hover{color:var(--primary)}.advanced__body{padding:4px 24px 24px;display:grid;gap:4px}.advanced__body .btn{justify-self:start;margin-top:12px}.opt__hint{display:block;font-size:12px;font-weight:400;color:var(--muted);line-height:1.6;margin-top:2px}.card__row--action{display:flex;flex-wrap:wrap;gap:12px;align-items:center;background:var(--success-soft);border-bottom-color:var(--success-border)}@media (max-width:640px){.advanced summary{padding:14px 16px 14px 36px}.advanced summary:before{inset-inline-start:16px}.advanced__body{padding:4px 16px 20px}.card__row--action .btn{width:100%}}.hero-section{padding-block:56px 72px}.hero-lead{max-width:640px;margin:16px auto 32px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px;list-style:none;counter-reset:none}.step{background:var(--canvas);border:1px solid var(--hairline);border-radius:var(--radius-lg);padding:28px 24px}.step__no{width:32px;height:32px;border-radius:var(--radius-full);background:var(--primary);color:#fff;display:grid;place-items:center;font-family:var(--font-num);font-weight:700;font-size:15px;margin-bottom:14px}.step h3{margin-bottom:6px}.step p{font-size:15px}.guides{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}.guide{display:block;border:1px solid var(--hairline);border-radius:var(--radius-lg);background:var(--canvas);padding:24px;color:var(--body)}.guide:hover{border-color:var(--primary);background:var(--primary-soft);text-decoration:none}.guide h3{margin-bottom:6px;display:flex;align-items:center;justify-content:space-between;gap:12px}.guide p{font-size:14px;color:var(--muted)}@media (max-width:1023px){.guides,.steps{grid-template-columns:1fr;gap:16px}}@media (max-width:640px){.hero-section{padding-block:32px 48px}}