:root {
  --navy:#172554; --blue:#2563eb; --cyan:#67e8f9; --yellow:#fbbf24;
  --pink:#fb7185; --green:#34d399; --paper:#f7f9ff; --ink:#172033;
  --muted:#667085; --line:#dbe3f4; --white:#fff;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:radial-gradient(circle at 8% 4%,#cffafe 0,transparent 26rem),var(--paper);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,system-ui,sans-serif;line-height:1.65}
button,input{font:inherit} a{color:inherit}
.site-head{position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(219,227,244,.9);background:rgba(247,249,255,.9);backdrop-filter:blur(14px)}
.head-in,.wrap,.site-foot{width:min(1080px,calc(100% - 2rem));margin:auto}
.head-in{min-height:4.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;gap:.5rem;align-items:center;color:var(--navy);font-family:Arial,sans-serif;font-weight:900;letter-spacing:.08em;text-decoration:none}.brand i{color:var(--yellow);font-style:normal;font-size:1.5rem}
.head-actions{display:flex;align-items:center;gap:.6rem}.back{font-size:.86rem;font-weight:800;text-decoration:none}.lang{padding:.4rem .7rem;border:1px solid var(--line);border-radius:999px;background:var(--white);font-weight:800;cursor:pointer}
.wrap{padding:3.5rem 0 6rem}.hero{text-align:center;margin-bottom:2.2rem}.kicker{margin:0 0 .6rem;color:var(--blue);font:900 .75rem Arial,sans-serif;letter-spacing:.18em}.hero h1{margin:0;color:var(--navy);font-size:clamp(2.3rem,7vw,4.6rem);line-height:1.08;letter-spacing:-.05em}.hero p{max-width:42rem;margin:1rem auto 0;color:var(--muted)}
.panel{padding:clamp(1.1rem,4vw,2rem);border:2px solid var(--navy);border-radius:1.5rem;background:var(--white);box-shadow:8px 8px 0 var(--cyan)}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.2rem}.balance strong,.big-number{display:block;color:var(--navy);font:900 clamp(1.7rem,5vw,3rem) Arial,sans-serif}.muted{color:var(--muted)}
.progress{height:.7rem;overflow:hidden;border-radius:999px;background:#e9eef9}.progress i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--blue),var(--cyan));transition:width .25s}
.btn{display:inline-flex;min-height:2.8rem;align-items:center;justify-content:center;padding:.55rem 1rem;border:2px solid var(--navy);border-radius:.75rem;color:var(--white);background:var(--navy);font-weight:900;text-decoration:none;cursor:pointer}.btn.alt{color:var(--navy);background:var(--white)}.btn.warn{color:var(--navy);background:var(--yellow)}.btn:disabled{opacity:.45;cursor:not-allowed}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.card{position:relative;padding:1.25rem;border:1px solid var(--line);border-radius:1.1rem;background:var(--white);box-shadow:0 8px 25px rgba(23,37,84,.07)}.card h2,.card h3{margin:.25rem 0;color:var(--navy);line-height:1.3}.emoji{font-size:2.25rem}.price{color:var(--blue);font-weight:900}.qty{display:grid;grid-template-columns:2.7rem 1fr 2.7rem;align-items:center;gap:.4rem;margin-top:1rem}.qty button{height:2.7rem;border:1px solid var(--navy);border-radius:.65rem;background:var(--white);font-size:1.2rem;font-weight:900;cursor:pointer}.qty output{text-align:center;font-weight:900}
.game-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.game-card{display:flex;min-height:17rem;flex-direction:column;justify-content:space-between;padding:1.4rem;border:2px solid var(--navy);border-radius:1.3rem;background:var(--white);box-shadow:7px 7px 0 var(--cyan);text-decoration:none;transition:transform .16s}.game-card:hover,.game-card:focus-visible{transform:translateY(-4px)}.game-card:nth-child(2){box-shadow-color:var(--yellow)}.game-card:nth-child(3){box-shadow-color:var(--green)}.game-card strong{color:var(--navy);font-size:1.5rem}.game-card small{color:var(--muted)}.go{color:var(--blue);font-weight:900}
.choice-area{max-width:760px;margin:auto}.question{text-align:center}.question h2{margin:.4rem 0 1.5rem;color:var(--navy);font-size:clamp(1.5rem,4vw,2.2rem)}.choices{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.choice{min-height:12rem;padding:1.25rem;border:2px solid var(--navy);border-radius:1.2rem;background:var(--white);color:var(--navy);font-size:1.15rem;font-weight:900;cursor:pointer;box-shadow:6px 6px 0 var(--cyan)}.choice:nth-child(2){box-shadow-color:var(--yellow)}.choice:hover{transform:translateY(-3px)}
.result{display:none;text-align:center}.result.show{display:block}.result-badge{display:inline-grid;width:8rem;height:8rem;place-items:center;border:2px solid var(--navy);border-radius:50%;background:var(--yellow);font-size:3.5rem}.result h2{font-size:2rem;color:var(--navy)}
.form-row{display:grid;grid-template-columns:1fr auto;gap:.7rem;max-width:34rem;margin:1.5rem auto}.date-input{min-height:3.1rem;padding:.6rem .9rem;border:2px solid var(--navy);border-radius:.8rem;background:white}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:1.5rem}.stat{text-align:center}.stat span{display:block;font-size:1.8rem}.stat strong{display:block;color:var(--navy);font:900 clamp(1.2rem,4vw,2rem) Arial,sans-serif;overflow-wrap:anywhere}.stat small{color:var(--muted)}
.actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.7rem;margin-top:1.5rem}.notice{min-height:1.5rem;margin:.75rem 0 0;color:var(--blue);text-align:center;font-weight:800}.site-foot{display:flex;justify-content:space-between;gap:1rem;padding:2rem 0;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
@media(max-width:760px){.grid,.game-grid,.stats{grid-template-columns:1fr 1fr}.choices{grid-template-columns:1fr}.choice{min-height:8rem}.back{display:none}}
@media(max-width:520px){.wrap{padding-top:2.4rem}.grid,.game-grid,.stats{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.site-foot{flex-direction:column}.hero h1{font-size:2.65rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}