:root{--paper: #fdf6e3;--ink: #3b3226;--pad-bg: #ffffff;--pad-shadow: #d9c9a8;--pad-active: #ffe6a7;--controls-h: 132px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}html,body{margin:0;padding:0;height:100%;overflow:hidden;background:var(--paper);color:var(--ink);font-family:Hiragino Maru Gothic ProN,ヒラギノ丸ゴ ProN,Hiragino Sans,Yu Gothic,sans-serif;touch-action:none;overscroll-behavior:none}#app{display:flex;flex-direction:column;height:100dvh;width:100vw}#game{flex:1 1 auto;min-height:0;display:flex;align-items:center;justify-content:center}#game canvas{display:block}#controls{flex:0 0 auto;height:calc(var(--controls-h) + env(safe-area-inset-bottom));padding:10px 12px calc(10px + env(safe-area-inset-bottom));display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:12px;background:linear-gradient(180deg,#f6ecd2,#efe0bd);border-top:4px dashed #d9c9a8}#controls.is-single{grid-template-columns:1fr;width:100%;max-width:520px;margin-left:auto;margin-right:auto}#controls.is-single .pad-left,#controls.is-single .pad-right{display:none}#controls.is-hidden{visibility:hidden}.pad{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;border:4px solid var(--ink);border-radius:24px;background:var(--pad-bg);box-shadow:0 6px 0 var(--pad-shadow);color:var(--ink);font-family:inherit;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;cursor:pointer;transition:transform .05s ease,box-shadow .05s ease,background .05s ease;touch-action:none}.pad-icon{font-size:clamp(28px,7vw,44px);line-height:1}.pad-text{font-size:clamp(12px,3vw,18px);font-weight:700}.pad.is-pressed{background:var(--pad-active);transform:translateY(6px);box-shadow:0 0 0 var(--pad-shadow)}.pad-jump{background:#fff6dd}@media(min-width:900px)and (pointer:fine){#controls{max-width:720px;margin:0 auto;width:100%;border-top:none;background:transparent;--controls-h: 110px}}.sound-toggle{position:fixed;top:10px;right:10px;z-index:15;width:48px;height:48px;padding:0;border:3px solid var(--ink);border-radius:50%;background:#ffffffdb;color:var(--ink);font-size:22px;line-height:1;cursor:pointer;touch-action:manipulation;box-shadow:0 3px 0 var(--pad-shadow)}.sound-toggle:active{transform:translateY(3px);box-shadow:0 0 0 var(--pad-shadow)}.sound-toggle.is-muted{background:#fff9;color:#9a8a72}.photo-ui[hidden],.photo-step[hidden]{display:none}.photo-ui{position:fixed;inset:0;z-index:20;display:flex;align-items:center;justify-content:center;padding:16px;background:#3d32268c;backdrop-filter:blur(2px)}.photo-card{width:min(460px,100%);max-height:100%;overflow-y:auto;background:var(--paper);border:5px solid var(--ink);border-radius:28px;box-shadow:0 10px #3d322640;padding:22px 20px calc(22px + env(safe-area-inset-bottom));text-align:center}.photo-title{margin:0 0 14px;font-size:clamp(22px,6vw,30px);font-weight:700}.photo-hint{margin:0 0 14px;font-size:clamp(15px,4vw,18px);color:#7a6a52;line-height:1.6}.sheet-btn{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;display:block;width:100%;margin:0 0 12px;padding:18px 12px;border:4px solid var(--ink);border-radius:20px;background:#ffd447;box-shadow:0 6px 0 var(--pad-shadow);color:var(--ink);font-family:inherit;font-size:clamp(19px,5vw,24px);font-weight:700;cursor:pointer;touch-action:manipulation}.sheet-btn.ghost{background:#fff}.sheet-btn:active{transform:translateY(6px);box-shadow:0 0 0 var(--pad-shadow)}.link-btn{border:none;background:none;color:#9a8a72;font-family:inherit;font-size:16px;padding:10px;cursor:pointer;text-decoration:underline}.photo-frame{margin:0 auto 16px;width:100%;height:min(46vh,260px);display:flex;align-items:center;justify-content:center;border:4px dashed #d9c9a8;border-radius:20px;background-color:#fffdf6;background-image:linear-gradient(45deg,#f0e6cf 25%,transparent 25%,transparent 75%,#f0e6cf 75%),linear-gradient(45deg,#f0e6cf 25%,transparent 25%,transparent 75%,#f0e6cf 75%);background-size:20px 20px;background-position:0 0,10px 10px;overflow:hidden}.photo-frame img{max-width:92%;max-height:92%;object-fit:contain}.photo-spinner{width:54px;height:54px;margin:10px auto 18px;border:6px solid #e4d6b4;border-top-color:#ffd447;border-radius:50%;animation:photo-spin .9s linear infinite}@keyframes photo-spin{to{transform:rotate(360deg)}}