/* 世界観：ゆがみ鏡の見世物小屋。紙の質感・太い輪郭線・ずらした影・押すとつぶれるボタン */
:root{
  --paper:#f7ecd2; --ink:#2b2340; --red:#e5473b; --mustard:#f2b632; --teal:#2fa59a; --cream:#fff8e6; --sub:#6e6286;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  color:var(--ink);
  font-family:"Zen Maru Gothic","Hiragino Maru Gothic ProN","Yu Gothic UI",system-ui,sans-serif;font-weight:700;
  line-height:1.7;min-height:100vh;color-scheme:light;
  background-color:var(--paper);
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' seed='4'/><feColorMatrix values='0 0 0 0 .17  0 0 0 0 .14  0 0 0 0 .25  0 0 0 .09 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
}
/* テントの庇（縞＋ふち飾り） */
.awning{height:64px;background:
  radial-gradient(circle at 28px 100%,var(--cream) 0 13px,transparent 14px) 0 100%/56px 28px repeat-x,
  repeating-linear-gradient(90deg,var(--red) 0 56px,var(--cream) 56px 112px);
  border-bottom:4px solid var(--ink);position:relative}
.awning::after{content:"";position:absolute;left:0;right:0;bottom:-18px;height:18px;
  background:radial-gradient(circle at 28px 0,var(--ink) 0 14px,transparent 15px) 0 0/56px 18px repeat-x;opacity:.0}
.wrap{max-width:760px;margin:0 auto;padding:18px 16px calc(40px + env(safe-area-inset-bottom))}
header{display:flex;flex-direction:column;align-items:center;padding:0 0 18px;text-align:center}
h1.logo{margin:-46px 0 0;line-height:0;position:relative}
h1.logo a{display:inline-flex;align-items:flex-end;gap:2px;text-decoration:none;
  background:var(--cream);border:4px solid var(--ink);border-radius:26px 26px 30px 22px/24px 30px 22px 28px;
  padding:6px 18px 8px 8px;box-shadow:6px 6px 0 var(--ink);transform:rotate(-1.2deg)}
.mascot{width:112px;height:112px;margin-top:-34px;animation:wob 3.4s ease-in-out infinite;transform-origin:50% 90%}
.word{height:88px;width:auto;overflow:visible}
@keyframes wob{0%,100%{transform:rotate(-4deg) scale(1,1)}50%{transform:rotate(3deg) scale(1.04,.96)}}
@media (prefers-reduced-motion:reduce){.mascot{animation:none}}
header p{margin:16px 0 0;font-family:"Zen Kurenaido","Zen Maru Gothic",sans-serif;font-size:17px;color:var(--sub);transform:rotate(.6deg)}
.card{background:var(--cream);border:4px solid var(--ink);border-radius:30px 12px 28px 14px/14px 28px 12px 30px;padding:18px;
  box-shadow:8px 8px 0 var(--ink);margin-bottom:22px;position:relative}
.card::before{content:"";position:absolute;top:-14px;left:50%;width:92px;height:26px;margin-left:-46px;background:#f2b632cc;
  border:2px solid var(--ink);transform:rotate(-2.5deg);border-radius:3px}
#drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:42px 14px;
  border:3px dashed var(--ink);border-radius:20px 8px 22px 10px;cursor:pointer;background:
  repeating-linear-gradient(135deg,#0000 0 14px,#e5473b14 14px 28px)}
#drop.over{background:var(--mustard)}
#drop strong{font-size:20px}
#drop small{font-family:"Zen Kurenaido","Zen Maru Gothic",sans-serif;font-size:15px;color:var(--sub);font-weight:400}
button,.btn{font:inherit;font-weight:900;color:var(--ink);background:var(--cream);border:3px solid var(--ink);border-radius:999px 999px 999px 999px/60% 60% 60% 60%;
  padding:8px 20px;cursor:pointer;min-height:46px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;
  box-shadow:4px 4px 0 var(--ink);transition:transform .22s cubic-bezier(.3,1.9,.5,1),box-shadow .22s cubic-bezier(.3,1.9,.5,1);user-select:none}
button:hover,.btn:hover{transform:scale(.95,1.1) rotate(-1deg)}
button:active,.btn:active{transform:translate(3px,3px) scale(1.14,.82);box-shadow:1px 1px 0 var(--ink)}
button:disabled{opacity:.4;cursor:default;transform:none;box-shadow:4px 4px 0 var(--ink)}
.primary{background:var(--red)!important;color:#fff!important}
#stage{display:none}
/* ゆがみ鏡：アーチ形の枠 */
#canvasBox{position:relative;display:flex;justify-content:center;touch-action:none;
  background:var(--mustard);border:4px solid var(--ink);border-radius:90px 90px 14px 14px;padding:16px 16px 22px;
  box-shadow:inset 0 0 0 4px var(--cream),inset 0 0 0 7px var(--ink)}
#canvasBox canvas{border-radius:70px 70px 6px 6px;border:3px solid var(--ink);background:#fff}
canvas{max-width:100%;height:auto;display:block;touch-action:none;cursor:none}
#ring{position:absolute;pointer-events:none;border:3px solid var(--ink);box-shadow:0 0 0 3px #fff,0 0 0 5px var(--red);border-radius:50%;display:none;transform:translate(-50%,-50%)}
.tools{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 12px}
.seg{display:flex;gap:6px}
.seg button[aria-pressed="true"]{background:var(--teal);color:#fff;transform:rotate(-1.5deg)}
.sliders{display:grid;grid-template-columns:1fr 1fr;gap:12px 22px;margin:4px 0 8px}
.sliders label{font-size:14px;display:block}
.sliders input{width:100%;accent-color:var(--red)}
.hint{font-family:"Zen Kurenaido","Zen Maru Gothic",sans-serif;font-size:15px;font-weight:400;color:var(--sub);margin:10px 0 0}
h2{font-family:"Dela Gothic One","Zen Maru Gothic",sans-serif;font-weight:400;font-size:20px;margin:24px 0 10px;display:inline-block;
  background:var(--mustard);border:3px solid var(--ink);padding:0 14px;transform:rotate(-1.4deg);box-shadow:3px 3px 0 var(--ink)}
.share{display:flex;flex-wrap:wrap;gap:10px}
#toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--ink);color:var(--cream);padding:10px 18px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s}
#toast.show{opacity:1}
footer{margin-top:10px;font-family:"Zen Kurenaido","Zen Maru Gothic",sans-serif;font-size:14px;font-weight:400;color:var(--sub);text-align:center}
footer a{color:var(--ink);font-weight:700}
@media(max-width:520px){.sliders{grid-template-columns:1fr}.mascot{width:78px;height:78px;margin-top:-22px}.word{height:58px}.awning{height:48px}h1.logo{margin-top:-34px}#canvasBox{padding:12px 12px 16px;border-radius:60px 60px 12px 12px}#canvasBox canvas{border-radius:44px 44px 6px 6px}}

.brush label{display:block;font-size:14px}
.brush label b{display:inline-block;min-width:2.4em;text-align:center;background:var(--mustard);border:2px solid var(--ink);border-radius:8px;margin-left:6px;font-size:13px}
.brush-row{display:flex;align-items:center;gap:10px}
.dotbox{flex:none;width:80px;height:80px;display:flex;align-items:center;justify-content:center;background:var(--paper);border:3px solid var(--ink);border-radius:50%}
#dot{display:block;border-radius:50%;background:var(--red);border:3px solid var(--ink);box-sizing:border-box}
.presets{display:flex;gap:8px;margin-top:8px}
.presets button{min-height:38px;padding:4px 16px;box-shadow:3px 3px 0 var(--ink)}
.tip{margin:14px 0 0;padding:10px 14px;background:#f2b63233;border:3px dashed var(--ink);border-radius:14px;font-size:14px;font-weight:700}
.tip b{color:var(--red)}