:root{--ink:#172024;--muted:#657075;--paper:#fbfbf8;--surface:#ffffff;--line:#d9ded8;--teal:#12b8a6;--teal-dark:#08796e;--blue:#2e63d6;--coral:#e45f48;--gold:#c9952e;--green-soft:#dff5ef;--blue-soft:#e6edff;--coral-soft:#ffe9e4;--shadow:0 18px 50px rgba(23,32,36,0.12)}*{box-sizing:border-box;letter-spacing:0}html{background:var(--paper);color:var(--ink)}body{min-height:100vh;margin:0;background:linear-gradient(90deg,rgba(18,184,166,.07) 1px,transparent 1px),linear-gradient(0deg,rgba(46,99,214,.06) 1px,transparent 1px),var(--paper);background-size:48px 48px;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,sans-serif}button,input,select{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}.site-header{position:-webkit-sticky;position:sticky;inset-block-start:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px;padding:14px max(18px,calc((100vw - 1180px) / 2));-webkit-border-after:1px solid rgba(23,32,36,.1);border-block-end:1px solid rgba(23,32,36,.1);background:rgba(251,251,248,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.brand{display:inline-flex;align-items:center;gap:12px;min-width:220px}.brand-mark{display:grid;place-items:center;inline-size:42px;block-size:42px;border-radius:50%;background:var(--ink);color:#ffffff;font-weight:800}.brand small,.brand strong{display:block}.brand strong{font-size:1.05rem}.brand small{-webkit-margin-before:2px;margin-block-start:2px;color:var(--muted);font-size:.78rem}.tool-nav{display:flex;align-items:center;gap:6px;padding:4px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.tool-nav a{min-inline-size:72px;padding:9px 14px;border-radius:6px;color:var(--muted);text-align:center;font-weight:700}.tool-nav a:focus-visible,.tool-nav a:hover{color:var(--ink)}.tool-nav a.is-active{background:var(--ink);color:#ffffff}.tool-page{width:min(1180px,calc(100% - 36px));margin-inline:auto;padding-block:42px 58px}.tool-grid{display:grid;grid-template-columns:minmax(0,520px) minmax(360px,1fr);grid-gap:22px;gap:22px;align-items:stretch}.tool-panel,.visual-panel{min-width:0;border:1px solid rgba(23,32,36,.12);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.tool-panel{padding:28px}.tool-head{-webkit-margin-after:24px;margin-block-end:24px}.eyebrow{margin:0 0 8px;color:var(--teal-dark);font-size:.78rem;font-weight:800;text-transform:uppercase}h1{margin:0;font-size:2rem;line-height:1.2}.unit-list{display:grid;grid-gap:12px;gap:12px}.unit-row{display:grid;grid-template-columns:66px minmax(0,1fr);grid-gap:14px;gap:14px;align-items:center;min-height:86px;padding:14px;border:1px solid var(--line);border-radius:8px;background:#f7faf7;cursor:text}.unit-row:focus-within{border-color:var(--teal);box-shadow:0 0 0 4px rgba(18,184,166,.15)}.unit-badge{display:grid;place-items:center;inline-size:56px;block-size:56px;border-radius:50%;background:var(--teal);color:#ffffff;font-size:1.35rem;font-weight:800}.unit-copy{min-width:0}.unit-label{display:block;-webkit-margin-after:4px;margin-block-end:4px;color:var(--muted);font-size:.85rem;font-weight:800}.currency-input input,.currency-input select,.unit-row input{inline-size:100%;min-width:0;border:0;border-radius:0;background:transparent;color:var(--ink);outline:0}.unit-row input{font-size:1.55rem;font-weight:800}.control-block{display:grid;grid-gap:10px;gap:10px;-webkit-margin-before:18px;margin-block-start:18px}.control-block>span,.quality-control span{color:var(--muted);font-size:.86rem;font-weight:800}.segments{display:flex;flex-wrap:wrap;gap:8px}.quick-area button,.segment,.tool-actions a,.tool-actions button{min-height:42px;border:1px solid var(--line);border-radius:8px;background:#ffffff;color:var(--ink);cursor:pointer;font-weight:800}.segment{padding:0 14px}.segment.is-active{border-color:var(--ink);background:var(--ink);color:#ffffff}.primary-result,.result-strip{display:block;-webkit-margin-before:20px;margin-block-start:20px;padding:18px;border-radius:8px;background:var(--green-soft);color:#0d5f56;font-weight:900}.quick-area{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-gap:8px;gap:8px;-webkit-margin-before:16px;margin-block-start:16px}.quick-area button{padding-inline:8px}.tool-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;-webkit-margin-before:18px;margin-block-start:18px}.tool-actions a,.tool-actions button{display:inline-grid;place-items:center;min-inline-size:128px;padding-inline:16px}.quick-area button:hover,.segment:hover,.tool-actions a:hover,.tool-actions button:hover{border-color:var(--ink)}.tool-actions a,.tool-actions button:first-child:not(.icon-button){background:var(--ink);color:#ffffff}.tool-actions button:disabled{cursor:not-allowed;opacity:.55}.icon-button{min-inline-size:44px;padding-inline:0;font-size:1.35rem}.status{min-block-size:22px;margin:14px 0 0;color:var(--muted);font-size:.88rem;font-weight:700}.status a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}.visual-panel{position:relative;display:grid;align-content:stretch;overflow:hidden;min-block-size:520px}.area-visual{background:#10292d}.floor-stage{inset:28px;overflow:hidden;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:linear-gradient(90deg,rgba(255,255,255,.1) 1px,transparent 0),linear-gradient(0deg,rgba(255,255,255,.1) 1px,transparent 0),#17373c;background-size:28px 28px}.floor-shape,.floor-stage{position:absolute;touch-action:none}.floor-shape{display:grid;place-items:center;min-inline-size:72px;min-block-size:72px;border:3px solid #ffffff;border-radius:8px;background:var(--teal);color:#ffffff;box-shadow:0 18px 40px rgba(0,0,0,.22);cursor:-webkit-grab;cursor:grab;transform:translate(-50%,-50%);-webkit-user-select:none;-moz-user-select:none;user-select:none}.floor-shape:active{cursor:-webkit-grabbing;cursor:grabbing}.shape-dimension{position:absolute;padding:5px 8px;border-radius:6px;background:rgba(255,255,255,.94);color:var(--ink);font-size:.76rem;font-weight:900;line-height:1;white-space:nowrap;pointer-events:none}.shape-width{top:-32px;left:50%;transform:translateX(-50%)}.shape-depth{top:50%;right:calc(100% + 10px);transform:translateY(-50%);writing-mode:vertical-rl}.resize-handle{position:absolute;padding:0;border:0;border-radius:999px;background:#ffffff;box-shadow:0 0 0 2px rgba(18,184,166,.9),0 6px 18px rgba(0,0,0,.18);touch-action:none}.resize-handle-x{inline-size:8px;block-size:23px;inset-inline-end:-5px;inset-block-start:50%;cursor:ew-resize;transform:translateY(-50%)}.resize-handle-y{inline-size:23px;block-size:8px;inset-inline-start:50%;inset-block-end:-5px;cursor:ns-resize;transform:translateX(-50%)}.resize-handle-corner{inline-size:11px;block-size:11px;inset-inline-end:-6px;inset-block-end:-6px;cursor:nwse-resize}.resize-handle:focus-visible,.resize-handle:hover{outline:3px solid rgba(255,255,255,.84);outline-offset:2px}.metric-board{position:absolute;inset-inline:28px;inset-block-end:28px;display:grid;grid-gap:4px;gap:4px;padding:18px;border-radius:8px;background:rgba(255,255,255,.94);color:var(--ink);box-shadow:0 14px 36px rgba(0,0,0,.16)}.metric-board small,.metric-board span{color:var(--muted);font-weight:800}.metric-board strong{font-size:2rem}.dimension-readout{display:flex;flex-wrap:wrap;gap:8px;-webkit-margin-before:8px;margin-block-start:8px}.dimension-readout b{padding:7px 10px;border-radius:6px;background:#eef7f4;color:#0d5f56;font-size:.88rem}.reference{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px;-webkit-margin-before:22px;margin-block-start:22px}.reference div{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0;padding:16px 18px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.86)}.reference span{color:var(--muted);font-weight:800}.currency-page .eyebrow{color:var(--blue)}.currency-input{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(160px,.8fr);grid-gap:12px;gap:12px}.currency-input label{display:grid;grid-gap:8px;gap:8px;padding:14px;border:1px solid var(--line);border-radius:8px;background:#f8f9fc}.currency-input label>span{color:var(--muted);font-size:.85rem;font-weight:800}.currency-input input,.currency-input select{min-block-size:34px;font-size:1.25rem;font-weight:900}.primary-result{background:var(--blue-soft);color:#1c4baa}.primary-result span,.primary-result strong{display:block}.primary-result span{-webkit-margin-after:6px;margin-block-end:6px;font-size:.86rem}.primary-result strong{font-size:2rem}.primary-result small{display:block;-webkit-margin-before:6px;margin-block-start:6px;font-size:.84rem;opacity:.82}.currency-list{display:grid;grid-gap:8px;gap:8px;-webkit-margin-before:14px;margin-block-start:14px}.currency-row{display:grid;grid-template-columns:58px minmax(80px,1fr) minmax(120px,auto);grid-gap:8px 12px;gap:8px 12px;align-items:baseline;padding:13px 14px;border:1px solid var(--line);border-radius:8px;background:#ffffff}.currency-code{color:var(--blue);font-weight:900}.currency-name,.currency-row small{color:var(--muted);font-weight:700}.currency-row small{grid-column:2/4;font-size:.78rem}.currency-visual{background:#18213a}.rate-stack{position:absolute;inset:28px;display:grid;align-content:start;grid-gap:14px;gap:14px}.rate-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-inline-size:58%;min-block-size:58px;padding:0 16px;border-radius:8px;background:#ffffff;color:var(--ink)}.rate-bar:nth-child(2n){background:#dfe8ff}.rate-bar:nth-child(3n){background:#ffe7df}.rate-bar span{color:var(--blue);font-weight:900}.discount-page .eyebrow{color:var(--gold)}.discount-input{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(190px,.85fr);grid-gap:12px;gap:12px}.custom-rate,.discount-input label{display:grid;grid-gap:8px;gap:8px;padding:14px;border:1px solid var(--line);border-radius:8px;background:#fffbf1}.custom-rate>span,.discount-input label>span{color:var(--muted);font-size:.85rem;font-weight:800}.custom-rate input,.discount-input input{inline-size:100%;min-block-size:36px;min-width:0;border:0;background:transparent;color:var(--ink);font-size:1.35rem;font-weight:900;outline:0}.compact-control{align-content:center;-webkit-margin-before:0;margin-block-start:0;padding:14px;border:1px solid var(--line);border-radius:8px;background:#fffbf1}.discount-rate-options .segment{min-inline-size:76px}.custom-rate{grid-template-columns:minmax(0,1fr) auto;align-items:flex-end;-webkit-margin-before:12px;margin-block-start:12px}.custom-rate>span{grid-column:1/3}.custom-rate strong{-webkit-padding-after:6px;padding-block-end:6px;color:var(--muted)}.discount-result{background:#fff1c7;color:#7a560b}.discount-result small{display:block;-webkit-margin-before:4px;margin-block-start:4px;font-size:.82rem}.summary-list{display:grid;grid-gap:8px;gap:8px;-webkit-margin-before:14px;margin-block-start:14px}.summary-row{display:grid;grid-template-columns:minmax(90px,.8fr) minmax(130px,1fr);grid-gap:4px 12px;gap:4px 12px;align-items:baseline;padding:13px 14px;border:1px solid var(--line);border-radius:8px;background:#ffffff}.summary-row small,.summary-row span{color:var(--muted);font-weight:800}.summary-row small{grid-column:2/3;font-size:.78rem}.discount-visual{min-block-size:560px;background:#2b2f26}.receipt-card{position:absolute;inset-block-start:34px;inset-inline:34px;display:grid;grid-gap:20px;gap:20px;padding:28px;border-radius:8px;background:linear-gradient(135deg,rgba(255,255,255,.22) 0 8px,transparent 8px 16px),#fffaf0;color:var(--ink);box-shadow:0 20px 42px rgba(0,0,0,.22)}.receipt-label{justify-self:start;padding:6px 10px;border-radius:6px;background:var(--coral);color:#ffffff;font-size:.78rem;font-weight:900}.receipt-card>strong{color:#a8720c;font-size:clamp(2.5rem,8vw,5.6rem);line-height:.95}.receipt-lines{display:grid;grid-gap:10px;gap:10px}.receipt-lines span{display:block;block-size:12px;border-radius:999px;background:#e2d8bf}.receipt-total{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;-webkit-padding-before:18px;padding-block-start:18px;-webkit-border-before:2px solid #e3d6b7;border-block-start:2px solid #e3d6b7}.receipt-total span{color:var(--muted);font-weight:900}.receipt-total strong{font-size:2rem}.image-page .eyebrow{color:var(--coral)}.drop-zone{display:grid;place-items:center;grid-gap:8px;gap:8px;min-block-size:220px;padding:24px;border:2px dashed #c9d0ca;border-radius:8px;background:#fff8f6;text-align:center;cursor:pointer}.drop-zone input{display:none}.drop-zone>span{display:grid;place-items:center;inline-size:54px;block-size:54px;border-radius:50%;background:var(--coral);color:#ffffff;font-size:2rem;line-height:1}.drop-zone strong{max-inline-size:100%;overflow-wrap:anywhere;font-size:1.15rem}.drop-zone small{color:var(--muted);font-weight:800}.quality-control{display:grid;grid-gap:8px;gap:8px;-webkit-margin-before:18px;margin-block-start:18px}.quality-control input{accent-color:var(--coral)}.image-visual{background:#2b2521}.preview-frame{position:absolute;inset-block-start:28px;inset-inline:28px;inset-block-end:176px;display:grid;place-items:center;overflow:hidden;border:1px solid rgba(255,255,255,.18);border-radius:8px;background:linear-gradient(45deg,#3b3530 25%,transparent 0),linear-gradient(-45deg,#3b3530 25%,transparent 0),linear-gradient(45deg,transparent 75%,#3b3530 0),linear-gradient(-45deg,transparent 75%,#3b3530 0),#2b2521;background-position:0 0,0 14px,14px -14px,-14px 0;background-size:28px 28px}.preview-frame img{max-inline-size:100%;max-block-size:100%;object-fit:contain}.preview-placeholder{display:grid;grid-template-columns:repeat(4,minmax(58px,78px));grid-gap:12px;gap:12px}.preview-placeholder span{display:grid;place-items:center;aspect-ratio:1;border-radius:8px;background:var(--surface);color:var(--coral);font-weight:900}.pdf-preview{display:grid;place-items:center;grid-gap:10px;gap:10px;min-inline-size:180px;min-block-size:220px;border-radius:8px;background:var(--surface);color:var(--ink);text-align:center;box-shadow:0 18px 42px rgba(0,0,0,.16)}.pdf-preview strong{font-size:2.4rem;font-weight:900}.pdf-preview span{color:var(--muted);font-weight:900}@media (max-width:900px){.site-header{position:static;flex-direction:column;align-items:stretch}.brand{min-width:0}.tool-nav{overflow-x:auto}.tool-nav a{flex:1 1}.tool-grid{grid-template-columns:1fr}.visual-panel{min-block-size:460px}}@media (max-width:620px){.tool-page{width:min(100% - 24px,1180px);padding-block:24px 40px}.tool-panel{padding:18px}h1{font-size:1.65rem}.unit-row{grid-template-columns:54px minmax(0,1fr);gap:10px;min-height:78px}.unit-badge{inline-size:48px;block-size:48px;font-size:1.1rem}.unit-row input{font-size:1.28rem}.currency-input,.discount-input,.quick-area,.reference{grid-template-columns:1fr}.tool-actions a,.tool-actions button{flex:1 1 150px}.icon-button{flex:0 0 48px}.currency-row{grid-template-columns:54px minmax(0,1fr)}.currency-row small,.currency-row strong{grid-column:1/3}.summary-row{grid-template-columns:1fr}.summary-row small{grid-column:1/2}.visual-panel{min-block-size:390px}.floor-stage,.preview-frame,.rate-stack{inset:16px}.preview-frame{inset-block-end:176px}.metric-board{inset-inline:16px;inset-block-end:16px}.preview-placeholder{gap:8px}.receipt-card{inset-block-start:16px;inset-inline:16px;padding:20px}.discount-visual{min-block-size:540px}.receipt-card>strong{font-size:3.1rem}}