:root{--himawari: #ffd93d;--cream: #fff9e6;--choco: #4a3319;--ichigo: #ff6b81;--soda: #a8e8ff;--midori: #58cc66;--keylime: #eaf9b8;--choco-soft: rgba(74, 51, 25, .55);--choco-line: rgba(74, 51, 25, .16);--shadow-choco: rgba(74, 51, 25, .28);--ichigo-deep: #c94f62;--midori-deep: #3fa04c;--font: "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", system-ui, sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{margin:0;padding:0;width:100%;height:100dvh;overflow:hidden;overscroll-behavior:none;touch-action:manipulation;background:var(--himawari);color:var(--choco);font-family:var(--font);font-weight:700;user-select:none;-webkit-user-select:none}input,textarea{user-select:text;-webkit-user-select:text}button{font-family:var(--font);color:var(--choco)}:focus-visible{outline:3px solid var(--ichigo);outline-offset:2px}.num{font-variant-numeric:tabular-nums}.app{position:fixed;top:0;right:0;bottom:0;left:0;background-color:var(--himawari);background-image:radial-gradient(var(--cream) 12%,transparent 13%),radial-gradient(var(--cream) 12%,transparent 13%);background-size:48px 48px;background-position:0 0,24px 24px;display:flex;justify-content:center}.frame{position:relative;width:100%;max-width:480px;height:100dvh;display:flex;flex-direction:column;background:var(--himawari);overflow:hidden}@media(min-width:560px){.frame{height:calc(100dvh - 48px);margin-top:24px;border-radius:28px;box-shadow:0 14px 44px #4a33194d}}.page{flex:1;min-height:0;display:flex;flex-direction:column;position:relative}.btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:999px;font-weight:800;font-size:17px;padding:12px 28px;min-height:48px;cursor:pointer;background:#fff;color:var(--choco);box-shadow:0 4px 0 var(--shadow-choco);transition:transform .06s 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var(--choco-line);background:#fff;color:var(--choco);text-align:center;outline:none}.text-input:focus{border-color:var(--ichigo)}.form-error{margin:0;color:var(--ichigo);font-size:13px}.logo{display:flex;justify-content:center;gap:1px;margin:0;font-size:clamp(30px,9vw,44px);font-weight:800;color:var(--choco);letter-spacing:.02em}.logo span{display:inline-block;animation:logo-bounce 1.8s ease-in-out infinite;text-shadow:2px 3px 0 var(--cream),4px 6px 0 rgba(74,51,25,.18)}.logo span:nth-child(2n){color:var(--ichigo)}.logo-small{font-size:22px}@keyframes logo-bounce{0%,24%,to{transform:translateY(0)}12%{transform:translateY(-9px) scale(1.06)}}.welcome-page{align-items:center;justify-content:center;gap:28px;padding:24px}.welcome-card{display:flex;flex-direction:column;align-items:center;gap:14px;padding:28px 24px;border-radius:24px;background:var(--cream);box-shadow:0 6px 0 var(--shadow-choco);width:min(100%,340px)}.welcome-heading{margin:0;font-size:16px}.welcome-ok{width:100%}.title-page{align-items:center;justify-content:center;gap:20px;padding:calc(env(safe-area-inset-top,0px) + 20px) 20px calc(env(safe-area-inset-bottom,0px) + 20px);overflow-y:auto}.title-audio{position:absolute;top:calc(env(safe-area-inset-top,0px) + 10px);right:12px;display:flex;gap:8px;z-index:5}.audio-toggle{border:none;border-radius:999px;background:#fff;box-shadow:0 3px 0 var(--shadow-choco);padding:6px 12px;font-size:12px;font-weight:800;cursor:pointer}.audio-toggle:active{transform:translateY(2px);box-shadow:0 1px 0 var(--shadow-choco)}.audio-toggle.off{opacity:.45;text-decoration:line-through}.title-profile{background:var(--cream);border-radius:22px;padding:14px 20px;display:flex;align-items:center;gap:14px;box-shadow:0 4px 0 var(--shadow-choco)}.title-avatar-btn{border:none;background:#fff;border-radius:18px;padding:6px;box-shadow:0 3px 0 var(--shadow-choco);cursor:pointer}.title-avatar-btn:active{transform:translateY(2px);box-shadow:0 1px 0 var(--shadow-choco)}.title-avatar-btn img{width:64px;height:64px;display:block}.title-profile-body{display:flex;flex-direction:column;align-items:flex-start;gap:4px}.title-name-btn{border:none;background:none;font-size:18px;font-weight:800;text-decoration:underline dotted var(--choco-soft);text-underline-offset:4px;cursor:pointer;padding:2px 4px}.title-stats{font-size:13px;color:var(--choco-soft);display:flex;gap:10px;flex-wrap:wrap}.title-menu{display:flex;flex-direction:column;gap:12px;width:min(100%,300px)}.title-menu .btn{width:100%}.game-page{min-height:0}.game-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:calc(env(safe-area-inset-top,0px) + 8px) 12px 8px;min-height:52px}.streak-badge{background:var(--cream);border-radius:999px;padding:6px 14px;font-size:13px;box-shadow:0 3px 0 var(--shadow-choco);animation:badge-pulse .3s ease-out}.chat-log{flex:1;min-height:0;overflow-y:auto;background:var(--cream);border-radius:20px 20px 0 0;padding:14px 12px 18px;display:flex;flex-direction:column;gap:10px}.talk-row{display:flex;align-items:flex-start;gap:8px;animation:talk-in .22s ease-out;flex:none}.talk-right{justify-content:flex-end}.talk-avatar{width:36px;height:36px;border-radius:50%;background:#fff;border:2px solid var(--choco-line);flex:none}.bubble{max-width:72%;padding:9px 14px;border-radius:18px;font-size:15px;line-height:1.55;box-shadow:0 2px #4a331914;white-space:pre-wrap;word-break:break-word}.bubble-me{background:var(--soda);border-top-right-radius:4px}.bubble-other{background:#fff;border-top-left-radius:4px}.bubble-system{background:#f0ece1;border-top-left-radius:4px}.talk-stamp{width:112px;height:auto}.bubble-searching{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.dots{display:inline-flex;gap:3px;margin-left:4px;vertical-align:middle}.dots i{width:6px;height:6px;border-radius:50%;background:var(--choco-soft);animation:dot-blink 1.2s ease-in-out infinite}.dots i:nth-child(2){animation-delay:.2s}.dots i:nth-child(3){animation-delay:.4s}.bubble-typing{display:inline-flex;align-items:center;gap:5px;padding:12px 14px}.typing-dot{width:10px;height:10px;border-radius:50%;background:var(--choco-line)}.typing-dot.on{background:var(--ichigo);animation:badge-pulse .2s ease-out}.kbd{background:var(--keylime);border-top:3px solid rgba(74,51,25,.12);padding:8px 8px calc(env(safe-area-inset-bottom,0px) + 10px)}.kbd-word-row{display:flex;align-items:center;justify-content:center;gap:8px;padding:4px 0 8px}.kbd-side{width:44px;height:44px;border-radius:14px;border:none;background:#fff;box-shadow:0 3px 0 var(--shadow-choco);font-size:20px;cursor:pointer;flex:none;padding:0}.kbd-side:active{transform:translateY(2px);box-shadow:0 1px 0 var(--shadow-choco)}.kbd-side.active{background:var(--soda)}.kbd-side:disabled{opacity:.4;cursor:default}.kbd-side-empty{visibility:hidden}.kbd-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:5px;animation:keys-in .35s ease-out}.key{height:46px;border:none;border-radius:12px;background:#fff;font-size:19px;font-weight:800;color:var(--choco);box-shadow:0 3px 0 var(--shadow-choco);cursor:pointer;padding:0;transition:transform .05s ease,box-shadow .05s ease}.key:active{transform:translateY(2px) scale(.96);box-shadow:0 1px 0 var(--shadow-choco)}.key:disabled{opacity:.55;cursor:default}.key-wide{grid-column:span 2;font-size:15px}.key-delete{background:#e9e1d2}.key-submit{background:var(--ichigo);color:#fff;box-shadow:0 3px 0 var(--ichigo-deep)}.key-submit:active{box-shadow:0 1px 0 var(--ichigo-deep)}.key-spacer{grid-column:span 2}.char-boxes-wrap{display:flex;flex-direction:column;align-items:center;gap:2px}.char-boxes{display:flex;gap:6px}.char-boxes.shake{animation:boxes-shake .45s ease-in-out}.char-box{width:48px;height:52px;border-radius:16px;background:var(--cream);border:3px solid var(--choco-line);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800}.char-box.filled{background:#fff;border-color:#4a331959;animation:box-pop .16s ease-out}.char-box.flip{animation:box-flip .55s ease-in-out both}.romaji-pending{min-height:15px;font-size:12px;color:var(--choco-soft);letter-spacing:.12em;line-height:1.2}@media(max-width:380px){.char-box{width:42px;height:46px;font-size:22px}.key{height:42px;font-size:17px}}.stamp-strip{display:flex;gap:8px;overflow-x:auto;padding:6px 4px 10px;-webkit-overflow-scrolling:touch}.stamp-btn{flex:none;width:82px;height:82px;border-radius:16px;border:none;background:#fff;box-shadow:0 3px 0 var(--shadow-choco);padding:6px;cursor:pointer}.stamp-btn:active{transform:translateY(2px);box-shadow:0 1px 0 var(--shadow-choco)}.stamp-btn img{width:100%;height:100%;object-fit:contain;pointer-events:none}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:20px;background:#4a331973;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);animation:fade-in .25s ease-out}.overlay-gray{background:#605c569e}.overlay-clear{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;pointer-events:none}.overlay-card{background:var(--cream);border-radius:24px;padding:24px 20px;width:min(100%,360px);max-height:100%;overflow-y:auto;display:flex;flex-direction:column;align-items:center;gap:12px;box-shadow:0 8px 0 var(--shadow-choco);animation:rise-in .3s ease-out;text-align:center}.overlay-title{margin:0;font-size:22px;font-weight:800}.overlay-text{margin:0;font-size:15px}.overlay-buttons{display:flex;flex-direction:column;gap:10px;width:100%;margin-top:6px}.overlay-buttons 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#555}.x-logo{width:15px;height:15px;flex-shrink:0}.top-list{width:100%;display:flex;flex-direction:column;gap:4px;background:#fff;border-radius:14px;padding:10px 12px;max-height:220px;overflow-y:auto}.top-row{display:flex;align-items:center;gap:8px;font-size:14px}.top-pos{width:20px;text-align:right;color:var(--ichigo);font-weight:800;flex:none}.top-avatar{width:26px;height:26px;border-radius:50%;flex:none}.top-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left}.top-score{font-weight:800;flex:none}.battle-header{gap:6px}.battle-side{display:flex;align-items:center;gap:6px;min-width:0;flex:1}.battle-side.right{flex-direction:row-reverse}.battle-side-avatar{width:34px;height:34px;border-radius:50%;background:#fff;border:2px solid var(--choco-line);flex:none}.battle-side-body{display:flex;flex-direction:column;gap:2px;min-width:0}.battle-side.right .battle-side-body{align-items:flex-end}.battle-side-name{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:90px}.battle-vs-mark{font-size:13px;font-weight:800;color:var(--choco-soft);flex:none}.round-dots{display:inline-flex;gap:3px}.round-dot{width:11px;height:11px;border-radius:50%;border:2px solid var(--choco-soft);background:transparent}.round-dot.on{background:var(--ichigo);border-color:var(--ichigo);animation:badge-pulse .3s ease-out}.vs-card{display:flex;align-items:center;gap:14px;background:var(--cream);border-radius:24px;padding:22px 18px;box-shadow:0 8px 0 var(--shadow-choco);animation:rise-in .3s ease-out}.vs-mark{font-size:26px;font-weight:800;color:var(--ichigo);text-shadow:2px 3px 0 rgba(74,51,25,.18)}.profile-card{display:flex;flex-direction:column;align-items:center;gap:6px;background:#fff;border-radius:18px;padding:14px 16px;min-width:110px;box-shadow:0 3px 0 var(--shadow-choco)}.profile-card-avatar{width:64px;height:64px}.profile-card-name{font-size:14px;font-weight:800;max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-card-rating{font-size:13px;color:var(--choco-soft)}.battle-result-title{margin:0;font-size:34px;font-weight:800}.battle-result-title.win{color:var(--ichigo);animation:badge-pulse .4s ease-out}.battle-result-title.lose{color:var(--choco-soft)}.rating-counter{font-size:20px;font-weight:800}.info-page{min-height:0}.info-title{margin:0;font-size:18px}.info-list{flex:1;min-height:0;overflow-y:auto;padding:4px 12px calc(env(safe-area-inset-bottom,0px) + 16px);display:flex;flex-direction:column;gap:10px}.info-loading{text-align:center;color:var(--choco-soft);font-size:14px}.info-item{background:var(--cream);border-radius:18px;padding:14px 16px;box-shadow:0 3px 0 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var(--shadow-choco)}.avatar-cell.selected{border-color:var(--ichigo)}.avatar-cell img{width:100%;height:auto;display:block}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes rise-in{0%{opacity:0;transform:translateY(22px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes talk-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes keys-in{0%{opacity:0}to{opacity:1}}@keyframes box-pop{0%{transform:scale(.7)}60%{transform:scale(1.12)}to{transform:scale(1)}}@keyframes boxes-shake{0%,to{transform:translate(0)}15%{transform:translate(-9px)}30%{transform:translate(8px)}45%{transform:translate(-7px)}60%{transform:translate(6px)}75%{transform:translate(-4px)}90%{transform:translate(2px)}}@keyframes box-flip{0%{transform:rotateX(0)}49%{background:#fff;color:var(--choco);border-color:#4a331959}50%{transform:rotateX(90deg)}51%{background:var(--midori);color:#fff;border-color:var(--midori-deep)}to{transform:rotateX(0);background:var(--midori);color:#fff;border-color:var(--midori-deep)}}@keyframes dot-blink{0%,60%,to{opacity:.25}30%{opacity:1}}@keyframes badge-pulse{0%{transform:scale(1.35)}to{transform:scale(1)}}@keyframes count-pop{0%{opacity:0;transform:scale(1.7)}25%{opacity:1;transform:scale(1)}80%{opacity:1}to{opacity:0;transform:scale(.92)}}@keyframes float-up{0%{opacity:0;transform:translate(-50%,16px) scale(.8)}20%{opacity:1;transform:translate(-50%) scale(1.15)}to{opacity:0;transform:translate(-50%,-46px) scale(1)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}