:root{font-family:Hiragino Sans,Yu Gothic UI,Yu Gothic,system-ui,sans-serif;color:#20343d;background:#f7fbfc;font-synthesis:none;--ink: #20343d;--muted: #6f838c;--line: #dbe8ec;--surface: #ffffff;--sea: #edf9fb;--accent: #f17767;--accent-dark: #d75c4f;--cyan: #39b9c8;--shadow: 0 14px 40px rgba(45, 81, 91, .09)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at 50% -10%,#fff 0,#f7fbfc 46%,#eef7f9)}button{font:inherit}button:focus-visible,input:focus-visible{outline:3px solid rgba(57,185,200,.32);outline-offset:3px}.app-shell{min-height:100vh;display:flex;flex-direction:column}.site-header{height:72px;padding:0 clamp(18px,4vw,52px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid 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.footer{display:block}.lap-prefecture-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.site-header{height:60px}.header-note{display:none}.page{padding-top:26px}.game-page{padding:12px 10px 28px}.game-top{grid-template-columns:1fr auto}.prompt{grid-column:1/-1;grid-row:1}.progress,.save-state{grid-row:2}.map-card{min-height:52vh;border-radius:18px}#map-canvas{min-height:52vh}.tools{grid-template-columns:1fr;padding:14px}.answer-area{grid-column:auto}.map-hint{font-size:10px}.region-grid{grid-template-columns:1fr}.resume-banner,.lap-result-hero{align-items:flex-start;flex-direction:column}.lap-result-actions{justify-content:flex-start}.lap-prefecture-list{grid-template-columns:1fr}.lap-page{min-height:calc(100vh - 60px)}}