:root{font-family:Noto Sans SC,PingFang SC,Hiragino Sans,Microsoft YaHei,sans-serif;color:#202621;background:#f4efe5;font-synthesis:none;--paper: #fbf8f1;--ink: #202621;--muted: #6c716b;--line: #d8d0c2;--coral: #df5b3f;--teal: #2c766b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--paper)}button,input{font:inherit}button{color:inherit}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:.2;background-image:radial-gradient(#3e453e .5px,transparent .5px);background-size:5px 5px;mix-blend-mode:multiply}main{overflow:hidden}.topbar,.hero,.workbench,.chart-section,.details,footer{width:min(1180px,calc(100% - 40px));margin-inline:auto}.topbar{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;font-weight:800;letter-spacing:.06em}.brand-mark{display:grid;place-items:center;width:36px;height:36px;color:#fff;background:var(--coral);border-radius:50%;font-family:Georgia,serif}.topbar p{margin:0;color:var(--muted);font-size:13px}.hero{padding:86px 0 72px;display:grid;grid-template-columns:1fr 290px;gap:80px;align-items:end}.hero-copy{position:relative}.hero-copy:before{content:"話";position:absolute;right:6%;top:-90px;font:240px/1 Georgia,serif;color:#efe8db;z-index:-1}.eyebrow{margin:0 0 22px;color:var(--teal);font-size:11px;font-weight:800;letter-spacing:.22em}h1{margin:0;font:600 clamp(44px,7vw,82px)/1.12 Georgia,"Songti SC",serif;letter-spacing:-.055em}.intro{max-width:660px;margin:30px 0 0;color:var(--muted);font-size:16px;line-height:1.9}.note-card{transform:rotate(2deg);padding:28px;border:1px solid #b9ad9c;background:#f1e6c9;box-shadow:8px 9px #2c766b}.note-card span{font-size:11px;letter-spacing:.18em;color:var(--coral)}.note-card strong{display:block;margin:18px 0 10px;font:600 29px Georgia,Songti SC,serif}.note-card p{margin:0;color:#65655d;font-size:13px;line-height:1.7}.workbench{display:grid;grid-template-columns:1fr 1.05fr;border-top:4px solid var(--ink);border-bottom:1px solid var(--line)}.controls{padding:48px 56px 48px 0;border-right:1px solid var(--line)}.section-heading{display:flex;gap:17px;align-items:flex-start}.section-heading>span{color:var(--coral);font:italic 18px Georgia,serif}.section-heading p{margin:1px 0 4px;color:var(--teal);font-size:10px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.section-heading h2{margin:0;font:600 28px/1.25 Georgia,Songti SC,serif}.fields{display:grid;grid-template-columns:1fr 1fr;gap:24px 18px;margin-top:40px}.field{display:grid;gap:9px;color:var(--muted);font-size:12px}.input-shell{display:flex;align-items:baseline;border-bottom:2px solid var(--ink);padding:4px 0 8px}.input-shell:focus-within{border-color:var(--coral)}.input-shell input{min-width:0;width:100%;border:0;outline:0;padding:0;background:transparent;color:var(--ink);font:600 23px Georgia,serif}.input-shell b{font-size:12px;white-space:nowrap}.reset{margin-top:35px;padding:10px 0;border:0;border-bottom:1px solid var(--muted);background:transparent;cursor:pointer;font-size:12px}.reset:hover{color:var(--coral);border-color:var(--coral)}.result-panel{padding:48px 0 48px 56px;display:flex;flex-direction:column;justify-content:center}.result-label{color:var(--muted);font-size:13px}.big-number{margin:13px 0 32px;color:var(--coral);font:600 clamp(40px,5.1vw,67px)/1 Georgia,serif;letter-spacing:-.04em;overflow-wrap:anywhere}.summary-grid{display:grid;grid-template-columns:1fr 1fr 1fr;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.summary-grid article{position:relative;padding:0 18px;border-right:1px solid var(--line)}.summary-grid article:first-child{padding-left:0}.summary-grid article:last-child{border:0}.summary-grid p{margin:0 0 8px;color:var(--muted);font-size:11px}.summary-grid strong{font:600 16px Georgia,serif}.dot{display:inline-block;width:7px;height:7px;margin-right:5px;border-radius:50%}.teal{background:var(--teal)}.coral{background:var(--coral)}.result-insight{margin:20px 0 0;color:var(--teal);font-size:13px;line-height:1.6}.chart-section{position:relative;padding:86px 0 54px}.section-heading.compact h2{font-size:25px}.legend{position:absolute;right:4px;top:102px;display:flex;gap:22px;color:var(--muted);font-size:12px}.legend span{display:flex;align-items:center;gap:8px}.legend-line{width:24px;height:3px}.coral-bg{background:var(--coral)}.teal-bg{background:var(--teal)}.chart-wrap{margin-top:38px;overflow:hidden}.chart-wrap svg{display:block;width:100%;min-width:650px}.grid-line{stroke:#ded7cb;stroke-width:1;stroke-dasharray:3 6}.axis-label{fill:#85877f;font-size:11px;font-family:sans-serif}.line{fill:none;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.asset-line{stroke:var(--coral)}.contributed-line{stroke:var(--teal);stroke-width:2}.endpoint{fill:var(--paper);stroke:var(--coral);stroke-width:4}.details{padding:60px 0 72px;border-top:1px solid var(--line)}.details-head{display:flex;justify-content:space-between;align-items:end;gap:20px}.expand{padding:10px 14px;border:1px solid var(--ink);background:transparent;cursor:pointer;font-size:12px}.expand span{margin-left:18px;font-size:16px}.expand:hover{background:var(--ink);color:var(--paper)}.table-scroll{margin-top:30px;overflow-x:auto}table{width:100%;min-width:720px;border-collapse:collapse;font-size:13px}th{padding:14px 16px;border-top:2px solid var(--ink);border-bottom:1px solid var(--ink);text-align:right;color:var(--muted);font-size:10px;letter-spacing:.1em}th:first-child,td:first-child{text-align:left}td{padding:17px 16px;border-bottom:1px solid var(--line);text-align:right;font-variant-numeric:tabular-nums}td:first-child b{color:var(--coral);font:600 16px Georgia,serif}.positive{color:var(--teal)}.table-note{margin:17px 0 0;color:var(--muted);text-align:center;font-size:11px}footer{padding:28px 0 36px;border-top:1px solid var(--ink);display:flex;justify-content:space-between;color:var(--muted);font-size:11px}footer span{color:var(--ink);font-weight:800}footer p{margin:0}@media(max-width:820px){.hero{grid-template-columns:1fr;gap:42px;padding:62px 0}.note-card{width:min(320px,90%);margin-left:auto}.workbench{grid-template-columns:1fr}.controls{padding:42px 0;border-right:0;border-bottom:1px solid var(--line)}.result-panel{padding:42px 0}.chart-wrap{overflow-x:auto}}@media(max-width:560px){.topbar,.hero,.workbench,.chart-section,.details,footer{width:min(100% - 28px,1180px)}.topbar{height:72px}.topbar p{display:none}.hero{padding-top:48px}.hero-copy:before{font-size:170px}h1{font-size:43px}.intro{font-size:14px}.fields{grid-template-columns:1fr;gap:20px}.big-number{font-size:43px}.summary-grid{grid-template-columns:1fr 1fr;gap:20px 0}.summary-grid article:nth-child(2){border-right:0}.summary-grid article:nth-child(3){padding-left:0}.legend{position:static;margin:24px 0 -8px 36px}.details-head{align-items:flex-start;flex-direction:column}footer{display:block}footer p{margin-top:8px;line-height:1.6}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}