:root{--paper:#f7f4eb;--ink:#26382f;--line:#d8dccf;--green:#dfe8d1;--accent:#ae5336}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,'Noto Sans JP',sans-serif;line-height:1.6}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:disabled{cursor:default}button:hover:not(:disabled){border-color:var(--ink)}[hidden]{display:none!important}header{max-width:1080px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:20px 28px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:.04em}.brand img{width:45px;height:45px;object-fit:contain}.back{font-size:12px;min-height:44px;display:flex;align-items:center}main{max-width:780px;margin:0 auto;padding:32px 28px 42px}.eyebrow{font-size:11px;letter-spacing:.16em;margin:0 0 16px}h1{font-family:Georgia,serif;font-size:clamp(31px,6vw,49px);font-weight:400;line-height:1.18;margin:0 0 24px}h1 span{display:block;font-family:system-ui,sans-serif;font-size:17px;font-weight:500;margin-top:14px}.preview{display:flex;gap:22px;align-items:center;border-block:1px solid var(--line);padding:20px 0}.preview img{width:110px;height:92px;object-fit:cover;border-radius:5px}.preview span{font-size:15px}.preview small{display:block;font-family:Georgia,serif;font-size:15px;margin-top:6px;color:#59675d}.intro{font-size:14px;margin:22px 0 14px}.intro span,.rule span{color:#59675d;font-size:12px}.modes{display:grid;grid-template-columns:1fr 1fr;gap:12px}.modes button{display:flex;gap:12px;align-items:center;text-align:left;border:1px solid #bcc8b4;border-radius:6px;padding:20px 14px;min-height:100px;background:var(--green)}.modes button:nth-child(2){background:#f8dfc7}.modes button:nth-child(3){background:#fffdf7}.modes button:nth-child(4){background:#f0dedd}.mode-number{font-size:11px;align-self:flex-start;padding-top:3px}.modes button>span:last-child{margin-left:auto}.modes strong{display:block;font-size:14px;font-weight:700}.modes small{display:block;font-size:11px;margin-top:8px}.rule{font-size:12px;margin:20px 0 0}.game{position:relative}.game-top{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}#mode-label{font-size:12px;font-weight:700}#progress{font-size:11px;margin:3px 0 0;color:#59675d}.quiet{border:1px solid var(--line);background:transparent;border-radius:5px;padding:10px 12px;min-height:44px;font-size:11px}.counter{position:absolute;right:0;top:88px;font-size:12px}#plate-count{font-size:28px;font-family:Georgia,serif}.counter small{display:block;text-align:right;font-size:10px}.plate-rack{position:absolute;right:0;top:165px;width:48px;height:200px;display:flex;align-items:flex-end;justify-content:center;border-bottom:1px solid var(--line)}#plates{display:flex;flex-direction:column-reverse;gap:2px}.plate{width:45px;height:10px;border:1px solid #63816b;border-radius:50%;background:#dfe8d1;box-shadow:0 2px 0 #adbd9f}.plate:nth-child(3n){background:#f8dfc7;border-color:#c79065}.plate:nth-child(3n+2){background:#f0dedd;border-color:#b18c89}.question{padding-top:20px;padding-right:64px}.photo-wrap{max-width:300px;margin:auto}#sushi-photo{display:block;width:100%;height:210px;object-fit:contain;mix-blend-mode:multiply;border-radius:5px}#image-error{font-size:12px}.source-name{text-align:center;font-size:20px;min-height:30px;margin:4px 0 12px}h2{font-weight:600;font-size:16px;text-align:center;line-height:1.6;margin:0 0 14px;outline:none}.word{display:flex;justify-content:center;gap:3px;flex-wrap:wrap;max-width:100%;min-height:38px;margin-bottom:12px}.word-group{display:inline-flex;gap:3px;margin:0 3px 4px}.letter{min-width:20px;height:32px;display:inline-flex;align-items:center;justify-content:center;font-size:20px;font-weight:600}.letter.blank{border-bottom:2px solid var(--accent);color:var(--accent)}.letter.filled{color:#3e6947;border-bottom-color:#3e6947}.feedback{text-align:center;min-height:24px;font-size:12px;margin:8px 0}.feedback.error{color:#9d402b}.translation{font-size:12px;text-align:center;min-height:20px;margin:0 0 14px}.choices{display:grid;grid-template-columns:1fr 1fr;gap:10px}.card{background:#fffdf7;border:1px solid #bbc5b5;border-radius:7px;min-height:66px;padding:12px 10px;font-size:16px;box-shadow:0 3px 0 #dedfcf;overflow-wrap:anywhere}.choices.letters{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.letters .card{font-size:24px;min-height:66px;padding:10px 0}.card.used{background:#dfe8d1;color:#668069;box-shadow:none;opacity:.55}.card.correct{background:var(--green);box-shadow:none}.card.wrong{border-color:var(--accent);color:var(--accent)}.primary{display:block;width:100%;margin:18px 0 0;padding:13px 16px;min-height:50px;background:var(--ink);color:#fffdf7;border:1px solid var(--ink);border-radius:5px;font-size:13px}.result{padding:52px 0;text-align:center}.result h2{font-family:Georgia,serif;font-size:32px;margin:20px 0}.result p{font-size:14px}.result .quiet{display:block;width:100%;margin:12px 0 26px}.result a{font-size:12px;border-bottom:1px solid var(--ink)}footer{max-width:1024px;margin:0 auto;padding:20px 28px;border-top:1px solid var(--line);font-size:11px;letter-spacing:.05em}footer span{margin-left:16px;color:#59675d;font-family:Georgia,serif}@media(max-width:560px){header{padding:12px 18px}.brand{font-size:18px}.brand img{width:36px;height:36px}main{padding:22px 16px 30px}.modes{grid-template-columns:1fr}.modes button{min-height:78px;padding:16px}.modes small{margin-top:4px}.preview{padding:14px 0;gap:14px}.preview img{width:90px;height:72px}.question{padding-right:50px}.plate-rack{width:36px;top:148px}.plate{width:34px;height:9px}.counter{top:80px}#sushi-photo{height:175px}.source-name{font-size:18px}.card{font-size:14px;min-height:62px}.letters .card{min-height:60px;font-size:22px}.choices.letters{gap:6px}.letter{font-size:17px;min-width:16px;height:28px}.word-group{gap:2px;margin-inline:2px}.game-top{gap:8px}.quiet{font-size:10px;padding:9px}footer{padding:18px 16px}footer span{display:block;margin:5px 0 0}.result{padding-top:36px}}@media(prefers-reduced-motion:no-preference){.plate{animation:place .18s ease-out}@keyframes place{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}}
@media(max-width:360px){main{padding-inline:12px}.question{padding-right:40px}.choices.letters{gap:5px}.counter{right:0}.plate-rack{width:32px}.plate{width:30px}}
.enline{display:block;margin-top:5px;font-size:.82em;font-weight:400;color:#59675d;line-height:1.5}#instruction{line-height:1.65;margin-bottom:16px}#instruction .enline{margin-top:8px}.feedback{min-height:46px}.feedback .enline{margin-top:3px}.feedback.error .enline{color:#9d402b}.translation .enline{margin-top:4px}
#instruction .question-primary{display:block;color:var(--ink);font-size:16px;font-weight:700}#instruction .question-secondary{display:block;color:#637067;font-size:13px;font-weight:400}#instruction .enline.question-primary{margin-top:8px}