/* スリングパズル（夜のランタン） */
body[data-app="slingshot"]{--game-accent:#c8622f;--sl-night:#1d2242;--sl-gold:#f5b94a}
.arcade-stage{background:#1d2242;height:calc(100svh - 196px);min-height:380px}
.arcade-canvas{cursor:crosshair}
.arcade-stage[data-state="ready"] .arcade-canvas,.arcade-stage[data-state="finished"] .arcade-canvas{cursor:default}

/* 成績 */
.arcade-hud{background:rgba(255,250,240,.9);border-color:rgba(255,255,255,.5);box-shadow:0 6px 22px rgba(10,10,40,.25)}
.arcade-stat{min-width:78px;padding:6px 14px}
.arcade-stat>strong{font-size:19px}
.arcade-stat>strong[data-stat="rank"]{color:#d98a1a;letter-spacing:1px;font-size:18px}
.arcade-stage:not([data-state="playing"]):not([data-state="paused"]) .arcade-hud{opacity:0;pointer-events:none}
.arcade-hud{transition:opacity .25s}
.arcade-status{background:rgba(255,250,240,.92);max-width:min(560px,calc(100% - 24px));line-height:1.55}

/* 下の操作列：玉を選ぶ・ヒント・面を選ぶ */
.arcade-controls{gap:10px;justify-content:center;flex-wrap:nowrap;min-height:72px;padding:10px 14px}
.sl-balls{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;min-width:0}
.sl-ball{display:inline-flex;align-items:center;gap:7px;min-height:46px;padding:6px 12px 6px 8px;border:1px solid var(--arcade-line);border-radius:999px;background:#fff;color:var(--arcade-ink);font-weight:800;white-space:nowrap;touch-action:manipulation}
.sl-ball:hover:not(:disabled){background:#fbf3ea}
.sl-ball.is-on{border-color:#c8622f;background:#fff4ea;box-shadow:0 0 0 2px #c8622f inset}
.sl-ball:disabled{opacity:.38}
.sl-ball__icon{width:24px;height:24px;border-radius:50%;flex-shrink:0;box-shadow:inset -2px -3px 4px rgba(0,0,0,.25),0 1px 2px rgba(0,0,0,.2)}
.sl-ball__icon--wood{background:radial-gradient(circle at 35% 30%,#f2c88e,#c98b4c 55%,#8c5627)}
.sl-ball__icon--iron{background:radial-gradient(circle at 35% 30%,#e3e8ee,#6c7680 50%,#272c32)}
.sl-ball__icon--split{background:radial-gradient(circle at 50% 22%,#f6a0b8 0 28%,transparent 30%),radial-gradient(circle at 25% 68%,#fff6e6 0 28%,transparent 30%),radial-gradient(circle at 75% 68%,#9cc86a 0 28%,transparent 30%),#5a4a3a}
.sl-ball__icon--bouncy{background:linear-gradient(35deg,transparent 40%,#d6455d 40% 52%,transparent 52%),linear-gradient(-35deg,transparent 42%,#2f7fb8 42% 54%,transparent 54%),radial-gradient(circle at 35% 30%,#fffaf0,#f0dfc2 60%,#cdb38c)}
.sl-ball__icon--sticky{background:radial-gradient(circle at 60% 70%,rgba(240,150,170,.6) 0 22%,transparent 26%),radial-gradient(circle at 35% 30%,#fff,#f3eee8 60%,#d6c8be)}
.sl-ball__count{font-size:15px;color:#a6531c;font-variant-numeric:tabular-nums}
.sl-tools{display:flex;gap:8px;flex-shrink:0}
.sl-tool{min-height:46px}
.sl-tool.is-soft{opacity:.9}

/* 結果などのダイアログ */
.arcade-overlay{background:rgba(12,14,36,.42)}
.arcade-dialog{width:330px;background:rgba(255,251,244,.97)}
.arcade-dialog h2{margin-bottom:10px}
.arcade-result-score{color:#c8622f}
.sl-total{font-size:34px}
.sl-total small{font-size:18px;color:#8a7a68}
.sl-stars{display:inline-flex;gap:6px;font-size:46px;line-height:1}
.sl-stars i{font-style:normal;color:#e4dccf;text-shadow:0 2px 0 rgba(0,0,0,.08)}
.sl-stars i.on{color:#f2a922;text-shadow:0 2px 0 #c06f12,0 0 18px rgba(255,190,60,.55);animation:sl-star .5s cubic-bezier(.2,1.6,.4,1) both;animation-delay:var(--d)}
@keyframes sl-star{0%{transform:scale(0) rotate(-30deg);opacity:0}100%{transform:scale(1) rotate(0);opacity:1}}
.arcade-result-detail{line-height:1.7}
#overlay-extra{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:12px}
.sl-second{display:inline-flex;align-items:center;gap:6px;min-height:42px;padding:8px 14px;border:1px solid var(--arcade-line);border-radius:7px;background:#fff;color:var(--arcade-ink);font-weight:800}
.sl-second:hover{background:#fbf3ea}
.sl-second svg{width:17px;height:17px}

/* 面を選ぶ */
.sl-menu{position:absolute;inset:0;z-index:9;background:linear-gradient(180deg,rgba(14,18,44,.88),rgba(30,24,52,.92));color:#fff;display:flex;flex-direction:column}
.sl-menu__head{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.12)}
.sl-menu__head h2{margin:0;font-size:18px;font-weight:900;flex:1}
.sl-menu__total{font-weight:900;color:var(--sl-gold);font-size:16px;white-space:nowrap}
.sl-menu__close{min-height:42px;border:1px solid rgba(255,255,255,.3);border-radius:7px;background:rgba(255,255,255,.08);color:#fff;font-weight:800;padding:8px 14px;display:inline-flex;align-items:center;gap:6px}
.sl-menu__close svg{width:18px;height:18px}
.sl-menu__list{overflow:auto;padding:8px 16px 20px;flex:1;overscroll-behavior:contain;position:relative}
.sl-chapter{max-width:860px;margin:10px auto 18px}
.sl-chapter header{display:grid;grid-template-columns:1fr auto;gap:2px 12px;align-items:end;margin-bottom:8px}
.sl-chapter h3{margin:0;font-size:16px;font-weight:900;color:#ffe2b0}
.sl-chapter p{grid-column:1;margin:0;font-size:12px;color:rgba(255,255,255,.72);line-height:1.6}
.sl-chapter__stars{grid-column:2;grid-row:1/3;font-weight:900;color:var(--sl-gold);white-space:nowrap}
.sl-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}
.sl-tile{display:flex;flex-direction:column;align-items:center;gap:1px;padding:8px 4px 7px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#fff;min-height:92px;touch-action:manipulation}
.sl-tile:hover:not(:disabled){background:rgba(255,255,255,.14)}
.sl-tile b{font-size:15px;font-weight:900}
.sl-tile__name{font-size:11px;line-height:1.35;min-height:2.7em;display:flex;align-items:center;text-align:center;color:rgba(255,255,255,.85)}
.sl-tile__name svg{width:18px;height:18px;opacity:.6}
.sl-tile__stars{color:var(--sl-gold);font-size:14px;letter-spacing:1px}
.sl-tile small{font-size:10px;color:rgba(255,255,255,.6)}
.sl-tile.is-clear{background:rgba(255,200,110,.12);border-color:rgba(255,200,110,.35)}
.sl-tile.is-current{box-shadow:0 0 0 2px #ffcf7a}
.sl-tile:disabled{opacity:.42}

/* 説明（共通の .ff-guide と同じ見た目。このページは style.css を読まないので必要な分だけ持つ） */
.ff-guide{--paper-2:#fdfaf2;--line-2:#d8cbac;--ink:#3b332a;--ink-soft:#7a6c58;--brand:#c8702f;--brand-deep:#a6531c;--brand-wash:#fcefdd;--font-display:'Zen Maru Gothic',sans-serif;
  max-width:820px;margin:34px auto 30px;padding:26px clamp(18px,4vw,34px);background:var(--paper-2);border:2px solid var(--line-2);border-radius:22px;box-shadow:0 2px 0 rgba(59,51,42,.10),0 6px 16px rgba(59,51,42,.10);color:var(--ink);line-height:1.85;font-size:15px}
.ff-guide h2{font-family:var(--font-display);font-size:1.18rem;margin:0 0 12px;padding-left:12px;border-left:5px solid var(--brand);line-height:1.4}
.ff-guide h2:not(:first-child){margin-top:28px}
.ff-guide h3{font-family:var(--font-display);font-size:1rem;margin:18px 0 6px}
.ff-guide p{margin:.5em 0}
.ff-guide ol,.ff-guide ul{padding-left:1.4em;margin:.5em 0}
.ff-guide li::marker{color:var(--brand-deep);font-weight:700}
.ff-guide li{margin:.25em 0}
.ff-guide table{width:100%;border-collapse:collapse;margin:10px 0;font-size:.95rem}
.ff-guide th,.ff-guide td{border:1px solid var(--line-2);padding:7px 10px;text-align:left;vertical-align:top}
.ff-guide th{background:var(--brand-wash);font-weight:700;white-space:nowrap}
.ff-guide dl{margin:8px 0 0}
.ff-guide dt{font-weight:700;margin-top:14px;padding-left:1.6em;text-indent:-1.6em}
.ff-guide dt::before{content:"Q.";color:var(--brand-deep);margin-right:.45em;font-family:var(--font-display)}
.ff-guide dd{margin:4px 0 0;padding-left:1.6em;color:var(--ink-soft)}
.ff-guide .ff-guide__note{font-size:.9rem;color:var(--ink-soft)}
.ff-guide .lead{font-size:1rem;margin-bottom:16px}
@media(max-width:860px){.ff-guide{margin:24px 10px 24px;border-radius:16px}}

@media(max-width:760px){
  .arcade-controls{flex-wrap:wrap;gap:8px;padding:8px 10px;min-height:64px}
  .sl-ball{padding:5px 10px 5px 6px;gap:5px;min-height:44px}
  .sl-ball__name{font-size:12px}
  .sl-tool span{display:none}.sl-tool{padding:9px 11px}
  .sl-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media(max-width:640px){
  .arcade-stage{height:calc(100svh - 178px);min-height:400px}
  .arcade-hud{top:8px;max-width:calc(100% - 16px)}
  .arcade-stat{min-width:0;padding:5px 12px}.arcade-stat>strong{font-size:17px}
  .arcade-status{bottom:8px;font-size:12px}
  .sl-ball__name{display:none}
  .sl-ball{padding:4px 10px 4px 5px}
  .sl-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .sl-menu__head h2{font-size:16px}
  .arcade-dialog{width:300px}
}
/* スマホ横：操作列を右の縦帯にして、遊ぶ場所を高くする */
@media(max-height:500px) and (orientation:landscape){
  body.arcade-page{display:grid;grid-template-columns:minmax(0,1fr) 118px;grid-template-rows:auto auto;align-content:start}
  .arcade-header{grid-column:1/-1}
  .arcade-stage{grid-column:1;height:calc(100svh - 48px);min-height:250px}
  .arcade-controls{grid-column:2;grid-row:2;flex-direction:column;flex-wrap:nowrap;justify-content:flex-start;align-items:stretch;height:calc(100svh - 48px);min-height:250px;padding:8px 8px;gap:6px;border-top:0;border-left:1px solid var(--arcade-line);overflow-y:auto}
  .sl-balls{flex-direction:column;flex-wrap:nowrap;gap:6px}
  .sl-ball{justify-content:center;min-height:40px;padding:4px 8px 4px 5px}
  .sl-ball__name{display:none}
  .sl-tools{flex-direction:column;margin-top:auto}
  .sl-tool{min-height:40px;justify-content:flex-start}
  .sl-tool span{display:inline;font-size:11px}
  .ff-guide,.arcade-footer{grid-column:1/-1}
  .arcade-hud{left:8px;top:8px;transform:none}
  .arcade-stat{padding:3px 9px;min-width:0}.arcade-stat>strong{font-size:15px}.arcade-stat>span{font-size:10px}
  .arcade-status{left:auto;right:8px;transform:none;max-width:52%;bottom:6px}
  .sl-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .sl-tile{min-height:78px}
}
@media(prefers-reduced-motion:reduce){.sl-stars i.on{animation:none}}