:root{--ink:#20232c;--muted:#696d79;--line:#d9dce3;--panel:#f1f1f2;--purple:#642a89;--yellow:#ffdc96;--accent:#526ab5}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fafaf8;color:var(--ink);font-family:Manrope,sans-serif}
button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit}
a{color:inherit;text-decoration:none}
button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.masthead{min-height:74px;padding:0 clamp(18px,2.4vw,42px);display:flex;align-items:center;gap:22px;border-bottom:1px solid var(--line);background:#fff}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:17px;letter-spacing:-.07em;font-weight:800}
.brand>span:last-child>span{color:#769738}
.brand-mark{width:27px;height:27px;display:grid;grid-template-columns:repeat(2,10px);grid-template-rows:repeat(2,10px);gap:4px;transform:rotate(-12deg)}
.brand-mark i{background:#94bc45}.brand-mark i:nth-child(2){opacity:.8}.brand-mark i:nth-child(3){opacity:.65}.brand-mark i:nth-child(4){opacity:.9}
.masthead-note,.masthead-count{font:500 10px 'DM Mono',monospace;letter-spacing:.09em;color:#8e929b}
.masthead-note{margin-left:14px}.masthead-count{margin-left:auto;white-space:nowrap;color:#5c6580}
.workspace{display:grid;grid-template-columns:minmax(610px,48%) minmax(0,1fr);gap:clamp(22px,2.5vw,48px);padding:clamp(22px,2.5vw,44px);align-items:start;max-width:2100px;margin:auto}
.range-menus{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(8px,1vw,18px)}
.menu-group{min-width:0}.menu-group h2{font-size:clamp(19px,1.8vw,29px);line-height:1.2;letter-spacing:-.055em;margin:0 0 14px;font-weight:700;white-space:nowrap}
.menu-list{border:1px solid #d8dbe2;border-radius:15px;background:var(--panel);overflow:hidden;padding:5px}
.menu-item{display:block;width:100%;height:44px;padding:0 11px;background:transparent;border:0;border-bottom:1px solid #d8dbe2;color:var(--ink);font-size:clamp(11px,.95vw,15px);font-weight:600;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer;transition:background .14s,color .14s}
.menu-item:last-child{border-bottom:0}.menu-item:hover{background:#e8e5ed;color:var(--purple)}
.menu-item.active,.menu-item.active:hover{background:var(--yellow);color:#16162d;font-weight:800;border-radius:6px}
.menu-item-detail{padding-left:25px;color:#15172d;font-weight:600}
.range-display{position:sticky;top:24px;min-width:0}
.display-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 0 18px}
.display-overline{display:block;font:500 10px 'DM Mono',monospace;color:#7b8090;letter-spacing:.1em;margin:1px 0 8px}
.display-header h1{font-size:clamp(24px,2.2vw,36px);line-height:1.16;letter-spacing:-.055em;margin:0;font-weight:700}
.display-actions{display:flex;align-items:center;gap:6px;flex:none}.step-button{height:35px;width:35px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;color:#424757}.step-button:hover{background:var(--yellow)}
#openImage{font-size:11px;color:var(--accent);font-weight:700;white-space:nowrap;margin-left:7px}#openImage:hover{text-decoration:underline}
.chart-frame{background:#f4f4f7;border-radius:24px;overflow:hidden;border:1px solid #e6e6ea;box-shadow:0 8px 35px #2325360d}
.chart-frame img{display:block;width:100%;height:auto}
.display-footer{display:flex;justify-content:space-between;gap:12px;padding:14px 3px;color:#8d9099;font-size:11px}.display-footer span:last-child{font:500 10px 'DM Mono',monospace;color:#6f7687;white-space:nowrap}
@media(max-width:1380px){.workspace{grid-template-columns:minmax(600px,50%) minmax(0,1fr)}.menu-item{height:40px}.menu-list{padding:4px}}
@media(max-width:1200px){.workspace{display:block}.range-menus{margin-bottom:34px}.range-display{position:static;max-width:900px}.menu-item{height:42px;font-size:14px}.menu-group h2{font-size:23px}}
@media(max-width:650px){.masthead{min-height:64px}.masthead-note{display:none}.workspace{padding:20px 14px}.range-menus{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 10px}.menu-group h2{font-size:16px;margin-bottom:9px;letter-spacing:-.05em}.menu-list{border-radius:9px;padding:3px}.menu-item{height:38px;padding:0 8px;font-size:12px}.menu-item-detail{padding-left:17px}.display-header{align-items:flex-start}.display-header h1{font-size:23px}.display-actions{align-items:flex-end;flex-wrap:wrap;justify-content:end;max-width:128px}.step-button{height:31px;width:31px}#openImage{font-size:10px}.chart-frame{border-radius:14px}.display-footer{font-size:10px}}
@media(max-width:390px){.brand{font-size:15px}.masthead-count{font-size:9px}.menu-group h2{font-size:15px}.menu-item{font-size:11px}.display-header h1{font-size:21px}}