:root{--bg:#f7faf8;--surface:#fff;--text:#233d3a;--muted:#657d79;--line:#dce9e4;--primary:#326e61;--primary-deep:#24564b;--mint:#e6f1ed;--soft:#f2f7f4;--danger:#aa4b4b;--shadow:0 3px 20px rgba(30,67,56,.05);color-scheme:light}
*{box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{margin:0;color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;line-height:1.7}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:var(--primary)}.app-shell{min-height:100vh}.masthead{background:#e8f2ef;border-bottom:1px solid #d9e8e1}.masthead-inner{max-width:1080px;margin:auto;display:flex;align-items:center;gap:12px;padding:15px 22px}.brand-icon{display:grid;place-items:center;background:#326e61;color:#fff;width:42px;height:42px;border-radius:13px;font-size:30px;line-height:1}.brand-title{font-weight:800;letter-spacing:.04em;font-size:18px;line-height:1.3}.brand-subtitle{font-size:11px;color:var(--muted)}.masthead-right{margin-left:auto;display:flex;align-items:center;gap:12px}.local-pill{background:#fff;border:1px solid var(--line);border-radius:25px;font-size:12px;padding:5px 10px;color:var(--primary);font-weight:700}.net-text{font-size:11px;color:var(--muted)}.tabs{position:sticky;top:0;z-index:10;display:flex;justify-content:center;gap:4px;padding:8px 10px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(14px)}.tab{color:var(--muted);border:0;background:transparent;padding:9px 20px;border-radius:10px;font-weight:700;white-space:nowrap}.tab.active{background:var(--mint);color:var(--primary)}.tab:hover{background:#edf4f0}.tab-icon{margin-right:5px;font-size:16px}.main{max-width:1040px;margin:0 auto;padding:26px 22px 56px}.screen{display:none}.screen.active{display:block}.hero{background:linear-gradient(120deg,#deeee8 0%,#f1f8f3 80%);border-radius:21px;padding:34px 38px 35px;margin-bottom:19px;position:relative;overflow:hidden}.hero:after{content:"";width:240px;height:240px;position:absolute;border:44px solid rgba(69,130,106,.075);border-radius:50%;right:-80px;top:-95px;pointer-events:none}.hero 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18px;border-radius:10px;font-size:14px;font-weight:750;border:1px solid transparent;text-decoration:none;min-height:44px}.primary{background:var(--primary);color:white}.primary:hover{background:var(--primary-deep)}.outline{background:#fff;color:var(--primary);border-color:#b7d5ca}.outline:hover{background:#f3f9f6}.button.small{min-height:38px;padding:7px 11px;font-size:12px}.text-button{border:0;background:transparent;color:var(--primary);font-size:13px;font-weight:700}.field{display:flex;flex-direction:column;gap:6px;flex:1;min-width:0;margin-bottom:16px}.field label{font-size:13px;font-weight:750;color:#385c53}.field input:not([type=checkbox]),.field select,.field textarea,#chart-range{width:100%;background:#fff;color:var(--text);border:1px solid #cdded6;border-radius:10px;padding:11px 12px;outline-offset:2px}.field input:focus,.field select:focus,.field textarea:focus,#chart-range:focus{border-color:#508a75;outline:2px solid #d0e8dc}.field 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