:root{--dh-sky:#c9f1ff;--dh-deep:#24678b;--dh-ink:#17334a;--dh-line:#9bd2e6;--dh-yellow:#ffd166;--dh-pink:#f27d9e}.dh-page{min-height:calc(100vh - 67px);padding:27px 14px 50px;background:linear-gradient(180deg,#e5faff,#f7fcf5 58%,#e5f3e9);color:var(--dh-ink);font-family:system-ui,sans-serif}.dh-page section{margin-bottom:10px}.dh-shell{width:min(920px,100%);margin:auto}.dh-header{text-align:center;margin:0 0 17px}.dh-eyebrow{margin:0;color:#448ca7;font-size:10px;font-weight:800;letter-spacing:.24em}.dh-header h1{margin:3px 0;color:var(--dh-deep);font-size:clamp(28px,6vw,44px);letter-spacing:.1em}.dh-header>p:last-child{margin:0;color:#527184;font-size:13px}.dh-layout{display:grid;grid-template-columns:minmax(300px,420px) 190px;gap:16px;justify-content:center;align-items:start}.dh-main{min-width:0}.dh-stage{position:relative;width:min(100%,420px);margin:auto;border:4px solid #fff;border-radius:8px;background:var(--dh-sky);box-shadow:0 18px 42px #23607926;overflow:hidden}.dh-canvas{display:block;width:100%;height:auto;touch-action:none}.dh-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;padding:28px;background:#174963cc;color:#fff;text-align:center}.dh-overlay[hidden]{display:none}.dh-overlay-label{margin:0;color:#b8f0e6;font-size:10px;font-weight:800;letter-spacing:.2em}.dh-overlay h2{margin:0;color:#fff8c9;font-size:clamp(25px,7vw,39px)}.dh-overlay p:not(.dh-overlay-label){max-width:300px;margin:0;color:#e3f6f7;font-size:12px;line-height:1.8}.dh-button{min-height:40px;padding:8px 13px;border:1px solid #8bbac2;border-radius:8px;background:#effbfa;color:#1e566b;font:700 12px system-ui,sans-serif;cursor:pointer}.dh-button:hover,.dh-button:focus-visible{border-color:#2e89a5;outline:2px solid #2e89a555;outline-offset:2px}.dh-primary{min-width:150px;border-color:#ffd166;background:var(--dh-yellow);color:#543d12;box-shadow:0 3px 0 #c08d2a}.dh-touch{display:none;grid-template-columns:1fr 1fr;gap:8px;width:min(100%,420px);margin:10px auto 0}.dh-touch .dh-button{min-height:48px;background:#ffefaf;color:#5d4812;touch-action:none}.dh-message{min-height:1.5em;margin:10px 0 0;color:#527184;font-size:11px;text-align:center}.dh-side{display:flex;flex-direction:column;gap:10px}.dh-panel{padding:12px;border:1px solid var(--dh-line);border-radius:8px;background:#ffffffd9;box-shadow:0 8px 22px #23607912}.dh-panel h2{margin:0 0 5px;color:#6b8995;font-size:10px;letter-spacing:.16em}.dh-panel strong{color:var(--dh-deep);font-size:27px;line-height:1.2}.dh-panel>span{margin-left:3px;color:#71909d;font-size:11px}.dh-score strong{color:#db8b20}.dh-help ol{margin:0 0 9px;padding-left:19px;color:#476875;font-size:11px;line-height:1.8}.dh-help p{margin:7px 0 0;color:#68818a;font-size:10px;line-height:1.55}.dh-help b{color:#2a596a}.dh-sound{width:100%;padding:7px;font-size:10px}.dh-sound+.dh-sound{margin-top:6px}.dh-sound[aria-pressed=false]{opacity:.58}.dh-note{margin:13px 0 0;color:#76909a;font-size:10px;text-align:center}@media(max-width:680px){.dh-page{padding:18px 9px 38px}.dh-layout{display:block}.dh-side{display:grid;grid-template-columns:repeat(3,1fr);margin-top:10px}.dh-help{grid-column:1/-1}.dh-touch{display:grid}.dh-header{margin-bottom:12px}.dh-header>p:last-child{font-size:12px}.dh-panel{padding:10px}.dh-panel strong{font-size:22px}}@media(max-width:410px){.dh-side{grid-template-columns:1fr 1fr}.dh-help{grid-column:1/-1}.dh-stage{border-width:3px}}
.dh-effect-panel strong{display:block;color:#8b4aa8;font-size:16px}.dh-item-help{padding-top:7px;border-top:1px solid #d8ebef}