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.22s;position:relative;overflow:hidden}.proverb-card:before{content:"言";font-family:var(--font-serif);color:var(--ink);pointer-events:none;-webkit-user-select:none;user-select:none;font-size:7rem;font-weight:900;line-height:1;transition:opacity .22s;position:absolute;bottom:-.3em;right:-.1em}.proverb-card:hover{border-color:var(--border-mid);transform:translateY(-2px);box-shadow:0 6px 24px #1c12080f}.proverb-text{font-family:var(--font-serif);z-index:1;margin-bottom:4px;font-size:1.3rem;font-weight:700;line-height:1.5;position:relative}.kanji-detail-hero{background:linear-gradient(145deg, var(--card) 0%, var(--bg-alt) 100%);border:1px solid var(--border);border-radius:var(--r-2xl);text-align:center;padding:3rem 2rem;position:relative;overflow:hidden}.kanji-detail-hero:before{content:"";background:radial-gradient(at 50% 20%,#b8302512 0%,#0000 60%);position:absolute;inset:0}.kanji-detail-char{font-family:var(--font-serif);letter-spacing:-.04em;z-index:1;font-size:clamp(5.5rem,18vw,11rem);font-weight:900;line-height:1;animation:.5s cubic-bezier(.22,1,.36,1) fadeUp;position:relative}.cat-pill{font-size:var(--text-sm);background:var(--surface);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;letter-spacing:.01em;border-radius:100px;padding:6px 16px;font-weight:600;transition:all .18s}.cat-pill:hover{border-color:var(--border-mid);color:var(--text)}.cat-pill.active{background:var(--red);border-color:var(--red);color:#fff}.site-footer{-webkit-backdrop-filter:blur(24px)saturate(180%);border-top:1px solid var(--border-mid);text-align:center;font-size:var(--text-xs);color:var(--text-dim);font-family:var(--font-mono);letter-spacing:.08em;background:#dcd2c0eb;padding:2rem 1.5rem}.ink-divider{background:linear-gradient(90deg, transparent, var(--border-mid) 30%, var(--border-mid) 70%, transparent);height:1px;margin:0}.stroke-chip{border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface);cursor:default;flex-direction:column;align-items:center;padding:8px 12px;transition:all .18s;display:flex}.stroke-chip.has-data{background:var(--red-soft);color:var(--red);border-color:#b830252e}.stroke-chip-char{font-family:var(--font-serif);font-size:1.5rem;font-weight:700;line-height:1.2}.stroke-chip-count{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--text-muted);margin-top:2px}.stroke-chip.has-data .stroke-chip-count{color:var(--red)}.page-inner{width:100%}.reading-tool-cell{flex-direction:column;gap:0;min-height:480px;padding:1.5rem;display:flex}.reading-tool-input{resize:none;width:100%;transition:background .18s;box-sizing:border-box!important;border-radius:var(--r-md)!important;background:#1c12080d!important;border-color:#0000!important;padding:10px 40px 10px 14px!important;font-size:1rem!important;line-height:1.5!important}.reading-tool-input:focus{box-shadow:none!important;background:#1c120812!important;border-color:#0000!important;outline:none!important}.ranking-layout{align-items:flex-start;gap:28px;display:flex}.ranking-sidebar{flex-shrink:0;width:152px;position:sticky;top:80px}.ranking-sidebar-title{letter-spacing:.12em;color:var(--text-dim);font-size:.65rem;font-family:var(--font-mono);text-transform:uppercase;margin-bottom:8px;padding-left:2px}.ranking-sidebar-btn{width:100%;color:var(--text-muted);font-size:.85rem;font-family:var(--font-sans);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;margin-bottom:2px;padding:9px 12px;transition:background .15s,color .15s;display:flex}.ranking-sidebar-btn:hover{background:var(--surface-hi);color:var(--text)}.ranking-sidebar-btn.active{color:var(--red);background:#b830251a;font-weight:600}.ranking-sidebar-btn .cat-count{font-size:.7rem;font-family:var(--font-mono);opacity:.5;margin-left:auto}.ranking-main{flex:1;min-width:0}.ranking-mobile-cats{display:none}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(8px)}60%{transform:translate(-5px)}80%{transform:translate(5px)}}.choice-btn-wrong{animation:.38s shake}.mode-card-v2{border-radius:var(--r-xl);border:1.5px solid var(--border);background:linear-gradient(145deg, var(--card), var(--surface));cursor:pointer;text-align:left;min-height:96px;padding:1rem;transition:border-color .3s,box-shadow .3s;position:relative;overflow:hidden}.mode-card-v2:after{content:attr(data-deco);font-family:var(--font-serif);pointer-events:none;-webkit-user-select:none;user-select:none;color:#1c12080d;font-size:5rem;font-weight:900;line-height:1;position:absolute;bottom:-.22em;right:-.08em}.mode-card-v2:hover{border-color:var(--border-mid);box-shadow:0 6px 28px #1c120821}.mode-card-v2:hover:after{transform:none}.mode-card-v2.selected{border-color:var(--red);background:linear-gradient(145deg,#b8302512,#b8302505)}.mode-card-v2.selected:before{content:"";background:linear-gradient(90deg, var(--red), var(--red-bright));border-radius:2px 2px 0 0;height:3px;position:absolute;top:0;left:0;right:0}.select-card{border-radius:var(--r-xl);border:1.5px solid var(--border);background:linear-gradient(145deg, var(--card), var(--surface));cursor:pointer;text-align:left;flex-direction:column;gap:3px;min-height:108px;padding:18px 16px;transition:border-color .4s,box-shadow .4s,background .4s;display:flex;position:relative;overflow:hidden}.select-card:hover{border-color:var(--border-mid);box-shadow:0 4px 20px #1c120814}.select-card--center{text-align:center;justify-content:center;align-items:center;min-height:84px}.select-card--selected{background:var(--red);border-color:var(--red)}.select-card__label{font-family:var(--font-serif);font-size:var(--text-base);color:var(--text);font-weight:700;line-height:1.3;transition:color .25s;position:relative}.select-card--selected .select-card__label{color:#fff}.select-card--center .select-card__label{font-size:1.1rem}.select-card__sub{font-size:var(--text-xs);color:var(--text-muted);transition:color .25s;position:relative}.select-card--selected .select-card__sub{color:#ffffffb3}.select-card__deco{font-family:var(--font-serif);color:var(--text);opacity:.07;pointer-events:none;-webkit-user-select:none;user-select:none;font-size:3.2rem;font-weight:700;line-height:1;transition:opacity .4s;position:absolute;bottom:-6px;right:4px}.select-card:hover .select-card__deco{opacity:.2}.select-card--selected .select-card__deco{color:#fff;opacity:.15}.select-card--selected:hover .select-card__deco{opacity:.25}.rank-row-gold{border-left:3px solid var(--gold)}.rank-row-silver{border-left:3px solid #8a9ca8}.rank-row-bronze{border-left:3px solid #b08060}.rank-row-gold .rank-row-num{color:var(--gold);font-size:var(--text-xs)}.rank-row-silver .rank-row-num{color:#8a9ca8}.rank-row-bronze .rank-row-num{color:#b08060}.kanji-stat-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px;display:grid}.kanji-stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.25rem 1.5rem}.kakejiku{background:linear-gradient(160deg, var(--card) 0%, #ede4d0 100%);border:1px solid var(--border-mid);border-radius:var(--r-xl);margin-bottom:1.5rem;padding:2rem 1.75rem;position:relative;overflow:hidden;box-shadow:0 4px 20px #1c12080f}.kakejiku:before{content:"";background:linear-gradient(180deg, var(--red), var(--gold) 60%, transparent);border-radius:2px 0 0 2px;width:4px;height:100%;position:absolute;top:0;left:0}.kakejiku:after{content:"";background:linear-gradient(90deg, transparent, var(--border-mid) 20%, var(--border-mid) 80%, transparent);height:3px;position:absolute;bottom:0;left:0;right:0}@media (width<=768px){.kanji-stat-grid{grid-template-columns:1fr}.mode-card-v2{min-height:100px}.mode-card-v2:after{font-size:5rem}}.top-grid-main{grid-template-columns:3fr 2fr;align-items:stretch;gap:12px;display:grid}.top-grid-bottom{grid-template-columns:3fr 8fr;gap:12px;display:grid}.mobile-nav{z-index:200;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border);padding:8px 0 max(8px, env(safe-area-inset-bottom));background:#f4eee4f2;display:none;position:fixed;bottom:0;left:0;right:0}.mobile-nav-inner{justify-content:space-around;display:flex}.mobile-nav-item{border-radius:var(--r-md);font-size:var(--text-xs);color:var(--text-muted);flex-direction:column;align-items:center;gap:3px;padding:4px 12px;font-weight:500;text-decoration:none;transition:color .18s;display:flex}.mobile-nav-item.active{color:var(--red)}.mobile-nav-icon{font-size:1.2rem;line-height:1}@media (width<=768px){.site-header-inner{padding:0 1rem}.site-nav{display:none}.mobile-nav{display:block}.site-main{padding:1.25rem 1rem 5rem}.top-grid-main,.top-grid-bottom{grid-template-columns:1fr}.today-kanji-hero{min-height:260px}.today-kanji-char{font-size:clamp(3.5rem,15vw,5.5rem)}.today-bg-char{font-size:11rem}.quiz-kanji{font-size:clamp(5rem,22vw,8rem)}.choice-grid{grid-template-columns:1fr 1fr;gap:6px}.choice-btn{padding:14px 8px;font-size:1rem}.proverb-text{font-size:1.1rem}.proverb-card:before{font-size:5rem}.kanji-detail-char{font-size:clamp(4rem,18vw,8rem)}.rank-row{padding:12px 14px}.rank-row-kanji{font-size:1.2rem}ruby{font-size:1.3rem}.ranking-layout{flex-direction:column;gap:0}.ranking-sidebar{display:none}.ranking-mobile-cats{flex-wrap:wrap;gap:6px;margin-bottom:1.25rem;display:flex}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}