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lab,red,red)){.side-choice-active{background:linear-gradient(180deg,color-mix(in srgb,var(--mode-main) 72%,#fff),var(--mode-main))}}.side-choice-active{color:#fff;box-shadow:0 10px 20px #168ee73d}.side-choice-active .text-slate-400{color:#ffffffd1}.status-pill,.score-badge,.info-chip{color:#1f5d88;background:linear-gradient(#fff,#eef9ff);border:1px solid #2995d93d;border-radius:999px;padding:.25rem .45rem;font-weight:800;box-shadow:inset 0 1px #ffffffe6}.generate-button{min-width:min(100%,12rem);font-weight:900}.play-button{min-height:48px;font-size:.95rem;font-weight:900}.position-card{border-color:var(--mode-main)}@supports (color:color-mix(in lab,red,red)){.position-card{border-color:color-mix(in srgb,var(--mode-main) 30%,transparent)}}.position-card{background:linear-gradient(135deg,#fffffff5,#f7fcffe6),radial-gradient(circle at 100% 0%,var(--mode-main),transparent 44%),linear-gradient(90deg,var(--mode-soft),transparent)}@supports (color:color-mix(in lab,red,red)){.position-card{background:linear-gradient(135deg,#fffffff5,#f7fcffe6),radial-gradient(circle at 100% 0%,color-mix(in srgb,var(--mode-main) 18%,transparent),transparent 44%),linear-gradient(90deg,var(--mode-soft),transparent)}}.position-card-standard{--mode-main:#168ee7;--mode-soft:#22d3ee1f;--mode-warm:#ffcf3d;--mode-deep:#14324b}.position-card-chaos{--mode-main:#f0647a;--mode-soft:#ff748524;--mode-warm:#35d6c3;--mode-deep:#4a2737}.position-card-extreme{--mode-main:#8b5cf6;--mode-soft:#8b5cf624;--mode-warm:#ffb44f;--mode-deep:#30255f}.position-card-arsenal{--mode-main:#0e9f6e;--mode-soft:#0e9f6e24;--mode-warm:#f5b83d;--mode-deep:#173f32}.position-card .score-badge:first-child{border-color:var(--mode-main)}@supports (color:color-mix(in lab,red,red)){.position-card .score-badge:first-child{border-color:color-mix(in srgb,var(--mode-main) 28%,transparent)}}.position-card .score-badge:first-child{color:var(--mode-deep)}.card-details{border:1px solid var(--mode-main)}@supports (color:color-mix(in lab,red,red)){.card-details{border:1px solid color-mix(in srgb,var(--mode-main) 20%,transparent)}}.card-details{background:#ffffffad;border-radius:8px;padding:.52rem .62rem}.card-details summary{cursor:pointer;color:var(--mode-deep);font-size:.8rem;font-weight:900;list-style-position:outside}.mobile-only{display:block}.confirm-panel{border-color:#e04c4647}.score-badge:nth-child(2){color:#c4503b;border-color:#ff825c57}.score-badge:nth-child(3){color:#9a6a00;border-color:#ecb32366}.mini-square{aspect-ratio:1;background:linear-gradient(#ffffff0d,#ffffff0d),url(/assets/shogi/shogiban.png) 50%/180px 180px;border-bottom:1px solid #30424c52;border-right:1px solid #30424c52;place-items:center;display:grid}.mini-board-shell{margin-top:.75rem}.mini-hand-row{background:#ffffffb8;border:1px solid #2995d93d;border-radius:8px;flex-wrap:wrap;align-items:center;gap:.3rem;min-height:32px;padding:.35rem;display:flex;box-shadow:0 6px 14px #1a5c8c12}.mini-hand-row-opponent{justify-content:flex-end;margin-bottom:.45rem}.mini-hand-row-player{justify-content:flex-start;margin-top:.45rem}.mini-hand-label{color:#42657d;flex:none;font-size:.68rem;font-weight:900}.mini-hand-empty{color:#7f95a8;font-size:.68rem;font-weight:700}.mini-hand-piece{color:#1f5d88;background:#fff;border:1px solid #2995d938;border-radius:8px;flex:none;align-items:center;gap:.12rem;padding:.08rem .34rem .08rem .16rem;font-size:.68rem;font-weight:900;display:inline-flex}.mini-hand-image{object-fit:contain;width:18px;height:22px}.board{aspect-ratio:1;background:linear-gradient(#ffffff0a,#ffffff0a),url(/assets/shogi/shogiban.png) 50%/cover;border:4px solid #ffffffe0;border-radius:8px;grid-template-columns:repeat(9,minmax(0,1fr));width:min(100%,100dvh - 250px);min-width:304px;max-width:680px;display:grid;overflow:hidden;box-shadow:0 18px 36px #2a638c38,0 0 0 1px #2995d947,inset 0 0 0 1px #30424c4d}@media(max-width:480px){.board{width:100%;min-width:0}.guide-mascot{grid-template-columns:72px 1fr}.guide-mascot img{width:72px;height:72px}.guide-mascot-compact{grid-template-columns:64px 1fr}.guide-mascot-compact img{width:64px;height:64px}}@media(min-width:640px){.mobile-only{display:none}}@media(max-width:480px)and (max-height:860px){.game-layout{gap:.55rem;padding:.45rem}.game-board-column{gap:.45rem}.game-status-panel{padding:.62rem}.game-status-panel h1{font-size:1.02rem;line-height:1.2}.game-status-panel .secondary-button{min-height:38px;padding:.45rem .58rem}.game-app-shell .board{border-width:3px;width:min(100%,100dvh - 490px);min-width:304px}.piece-stand{min-height:36px;padding:.34rem .42rem}.stand-piece{min-height:30px;padding:.18rem .36rem}.stand-piece-image{width:22px;height:22px}}.board-square{aspect-ratio:1;background:0 0;border-bottom:1px solid #0f172a8c;border-right:1px solid #0f172a8c;place-items:center;display:grid;position:relative}.board-square:nth-child(9n){border-right:0}.selected-square{outline-offset:-3px;background-color:#fff6b533;outline:3px solid #ffcf3de6}.piece-glyph{z-index:1;object-fit:contain;filter:drop-shadow(0 1px 1px #0f172a52);-webkit-user-select:none;user-select:none;-webkit-user-drag:none;width:88%;height:88%;display:block}.piece-glyph-small{width:82%;height:82%}.opponent-piece{transform:rotate(180deg)}.piece-stand{background:#ffffffbd;border:1px solid #2995d93d;border-radius:8px;flex-wrap:wrap;align-items:center;gap:.4rem;min-height:42px;padding:.5rem;display:flex;box-shadow:0 8px 20px #1a5c8c17}.stand-piece{color:#1f5d88;background:#fff;border:1px solid #2995d947;border-radius:8px;align-items:center;gap:.25rem;min-height:34px;padding:.25rem .45rem;font-weight:800;display:inline-flex}.stand-piece:disabled{cursor:default;opacity:.62}.stand-piece-image{object-fit:contain;filter:drop-shadow(0 1px 1px #0f172a52);-webkit-user-select:none;user-select:none;-webkit-user-drag:none;width:26px;height:26px}.thinking-dot{color:#fff;background:linear-gradient(#34d5ff,#168ee7);border-radius:999px;padding:.25rem .5rem;font-size:.75rem;font-weight:900}.sfen-box{overflow-wrap:anywhere;color:#31536b;background:#eff9ffd6;border:1px solid #2995d933;border-radius:8px}.alert-panel{color:#a63e36;background:#fff1ef;border:1px solid #ff6e6457;border-radius:8px}.empty-state{color:#537087;font-weight:800}@media(min-width:768px){.hero-panel{padding:1.2rem}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}