:root{color-scheme:light;--ink:#202024;--muted:#62636b;--paper:#f4efe4;--panel:#fffdf8;--line:#d8cec0;--accent:#315f76;--accent-dark:#1d4052;--orbit:#b4672e;--danger:#a73532;--clear:#17684c;--shadow:0 18px 48px rgba(48,42,33,.14)}*{box-sizing:border-box}[hidden]{display:none!important}html{min-width:0;background:var(--paper)}body{min-width:0;margin:0;color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,system-ui,sans-serif;line-height:1.72;background:linear-gradient(90deg,rgba(32,32,36,.035) 1px,transparent 1px),linear-gradient(180deg,rgba(32,32,36,.035) 1px,transparent 1px),var(--paper);background-size:28px 28px}button,textarea{font:inherit}.page-shell{width:min(1040px,calc(100% - 32px));margin:0 auto;padding:30px 0 28px}.hero{padding:10px 0 18px}.lab-label,.eyebrow{margin:0 0 8px;color:var(--accent-dark);font-size:.82rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,p{overflow-wrap:anywhere}h1{margin:0;font-size:clamp(2.15rem,5.5vw,4.2rem);line-height:1;letter-spacing:0}.lead{max-width:760px;margin:14px 0 0;color:var(--muted);font-size:1.02rem}.game-panel,.memo{border:1px solid var(--line);border-radius:8px;background:rgba(255,253,248,.94);box-shadow:var(--shadow)}.game-panel{padding:20px}.panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}.panel-header h2,.memo h2{margin:0;font-size:1.32rem;line-height:1.35}.round-badge{flex:0 0 auto;min-width:74px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;text-align:center;font-weight:900;background:#fff7e5}.status-bar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:10px}.status-bar span,.status-bar strong{min-width:0;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:#f8f3e8;text-align:center;font-size:.9rem}#resultBadge[data-state=clear]{color:var(--clear)}#resultBadge[data-state=trapped]{color:var(--danger)}#resultBadge[data-state=complete]{color:var(--accent-dark)}.controls{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 12px}.controls button{min-width:132px}button{min-height:44px;border:0;border-radius:7px;padding:10px 18px;color:#fff;background:var(--accent-dark);font-weight:900;cursor:pointer}button:hover,button:focus-visible{background:var(--accent)}button:disabled{cursor:not-allowed;opacity:.58}.orbit-stage{position:relative;min-height:238px;border:1px dashed #b9afa0;border-radius:8px;background:radial-gradient(circle at 50% 50%,rgba(180,103,46,.12),transparent 42%),linear-gradient(180deg,#fffaf0,#efe8db);overflow:hidden;isolation:isolate}.orbit-ring{position:absolute;inset:26px 44px;border:2px solid rgba(49,95,118,.34);border-radius:50%;box-shadow:inset 0 0 0 1px rgba(180,103,46,.16)}.orbit-axis{position:absolute;background:rgba(49,95,118,.12)}.orbit-axis-x{left:42px;right:42px;top:50%;height:1px}.orbit-axis-y{top:26px;bottom:26px;left:50%;width:1px}.stage-guide{position:absolute;left:16px;right:16px;bottom:12px;margin:0;color:var(--muted);font-weight:800;text-align:center}.orbit-card{position:absolute;left:50%;top:50%;width:min(330px,78%);min-height:82px;display:flex;flex-direction:column;justify-content:center;gap:8px;padding:13px 16px;border:1px solid rgba(49,95,118,.45);border-radius:8px;background:rgba(255,253,248,.97);box-shadow:0 13px 28px rgba(41,35,28,.18);transform:translate(-50%,-50%);will-change:left,top}.card-role{display:inline-flex;width:fit-content;max-width:100%;padding:2px 9px;border-radius:999px;background:#edf4f6;color:var(--accent-dark);font-size:.72rem;font-weight:900}.orbit-card strong{display:block;color:var(--ink);font-size:clamp(1.05rem,2.2vw,1.42rem);line-height:1.38;overflow-wrap:anywhere}.input-area{margin-top:14px}.input-area label{display:block;margin-bottom:6px;color:var(--accent-dark);font-weight:800}textarea{display:block;width:100%;min-height:74px;resize:vertical;border:2px solid #bdb4a7;border-radius:8px;padding:12px;background:#fff;color:var(--ink);outline:none}textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(49,95,118,.13)}textarea:disabled{color:#8f8a82;background:#f3eee6}.feedback{min-height:1.75em;margin:12px 0 0;color:var(--muted);font-weight:800}.feedback.is-clear{color:var(--clear)}.feedback.is-trapped{color:var(--danger)}.feedback.is-complete{color:var(--accent-dark)}.memo{margin-top:18px;padding:18px 22px}.memo ul{margin:10px 0 0;padding-left:1.3em}.site-footer{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;padding:0 0 34px}.site-footer a{color:var(--accent-dark);font-weight:800;text-decoration:underline;text-underline-offset:.22em}@media (max-width:760px){.page-shell{width:min(100% - 24px,1040px);padding-top:18px}.hero{padding-top:4px}h1{font-size:clamp(2rem,12vw,3rem)}.lead{font-size:.96rem}.game-panel{padding:14px}.panel-header{display:grid;margin-bottom:10px}.round-badge{justify-self:start}.status-bar{grid-template-columns:1fr;gap:6px}.controls{margin-bottom:10px}.orbit-stage{min-height:188px}.orbit-ring{inset:22px 24px}.orbit-axis-x{left:24px;right:24px}.orbit-axis-y{top:22px;bottom:22px}.orbit-card{width:min(286px,82%);min-height:74px;padding:11px 12px}.orbit-card strong{font-size:1.02rem}.input-area{margin-top:12px}textarea{min-height:68px}.memo{padding:16px}}@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition-duration:.001ms!important;scroll-behavior:auto!important}.orbit-card{will-change:auto}}