:root{--sym-bg:#ffffff;--sym-bg-sub:#fafafa;--sym-line:#e5e7eb;--sym-line-strong:#d1d5db;--sym-text:#1f2937;--sym-text-sub:#6b7280;--sym-accent:#2f7d4f;--sym-accent-soft:rgba(47,125,79,0.12);--sym-danger:#b45309;--sym-danger-bg:#fffbeb;--sym-danger-line:#fcd34d;--sym-radius:10px;--sym-gap:8px;--sym-font:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","Meiryo",system-ui,-apple-system,"Segoe UI",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji"}.symbol-page{max-width:960px;margin:0 auto;padding:0 16px 120px;color:var(--sym-text);line-height:1.9;font-family:var(--sym-font)}.symbol-page h1{font-size:clamp(1.35rem,4.6vw,1.8rem);line-height:1.5;font-weight:700;margin:24px 0 14px}.symbol-page h2{font-size:1.18rem;margin:44px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--sym-line)}.symbol-page h3{font-size:1.03rem;margin:28px 0 8px}.symbol-page p{margin:0 0 16px}.symbol-page ul{margin:0 0 16px;padding-left:1.4em}.symbol-page li{margin:5px 0}.symbol-page strong{font-weight:700}.symbol-page a{color:var(--sym-accent);text-decoration:underline}.symbol-tool{border:1px solid var(--sym-line);border-radius:var(--sym-radius);background:var(--sym-bg-sub);padding:14px}.symbol-tool__search{position:relative;margin-bottom:12px}.symbol-tool__search input{width:100%;box-sizing:border-box;font-family:inherit;font-size:16px;padding:12px 44px 12px 16px;border:1px solid var(--sym-line-strong);border-radius:999px;background:var(--sym-bg);color:inherit}.symbol-tool__search input:focus{outline:none;border-color:var(--sym-accent);box-shadow:0 0 0 3px var(--sym-accent-soft)}.symbol-tool__search-clear{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:30px;height:30px;border:0;border-radius:50%;background:var(--sym-line);color:var(--sym-text-sub);font-size:15px;line-height:1;cursor:pointer}.symbol-tool__search-clear:hover{background:var(--sym-line-strong)}.symbol-tool__count{margin:0 0 10px;font-size:13px;color:var(--sym-text-sub)}.symbol-tool__tabs{display:flex;gap:6px;overflow-x:auto;margin:0 -14px;padding:2px 14px 10px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.symbol-tool__tabs::-webkit-scrollbar{display:none}.symbol-tab{flex:0 0 auto;padding:7px 15px;border:1px solid var(--sym-line-strong);border-radius:999px;background:var(--sym-bg);color:var(--sym-text-sub);font-family:inherit;font-size:14px;white-space:nowrap;cursor:pointer;transition:background .12s,border-color .12s,color .12s}.symbol-tab:hover{border-color:var(--sym-accent);color:var(--sym-accent)}.symbol-tab[aria-selected=true]{background:var(--sym-accent);border-color:var(--sym-accent);color:#fff;font-weight:600}.symbol-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:var(--sym-gap)}.symbol-btn{display:flex;align-items:center;justify-content:center;min-height:52px;padding:0;font-family:var(--sym-font);font-size:22px;line-height:1;border:1px solid var(--sym-line);border-radius:8px;background:var(--sym-bg);color:inherit;cursor:pointer;transition:border-color .12s,background .12s,transform .06s;-webkit-tap-highlight-color:transparent}.symbol-btn:hover{border-color:var(--sym-accent);background:var(--sym-accent-soft)}.symbol-btn:active{transform:scale(.94)}.symbol-btn[aria-pressed=true]{background:var(--sym-accent);border-color:var(--sym-accent);color:#fff}.symbol-btn:focus-visible{outline:2px solid var(--sym-accent);outline-offset:2px}.symbol-grid--combo{grid-template-columns:repeat(auto-fill,minmax(88px,1fr))}.symbol-btn--combo{min-width:0;padding:8px 10px;font-size:18px;line-height:1.25;word-break:break-all}.symbol-deco{display:flex;flex-direction:column;gap:18px}.symbol-deco__set{padding-bottom:4px}.symbol-deco__head{margin-bottom:8px}.symbol-deco__title{margin:0;font-size:15px;font-weight:700}.symbol-deco__note{margin:2px 0 0;font-size:12px;color:var(--muted,#667)}.symbol-recent{margin-bottom:14px}.symbol-recent__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.symbol-recent__title{margin:0;font-size:13px;font-weight:600;color:var(--sym-text-sub)}.symbol-recent__clear{border:0;background:none;font-family:inherit;font-size:12px;color:var(--sym-text-sub);text-decoration:underline;cursor:pointer}.symbol-empty{padding:28px 12px;text-align:center;font-size:14px;color:var(--sym-text-sub)}.symbol-tray{position:sticky;bottom:0;z-index:40;display:flex;align-items:center;gap:10px;margin:14px -14px -14px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--sym-line);border-radius:0 0 var(--sym-radius) var(--sym-radius)}.symbol-tray__list{flex:1 1 auto;min-width:0;font-size:20px;line-height:1.4;max-height:52px;overflow-y:auto;word-break:break-all}.symbol-tray__placeholder{font-size:13px;color:var(--sym-text-sub)}.symbol-tray__count{flex:0 0 auto;font-size:12px;color:var(--sym-text-sub)}.symbol-tray__copy{flex:0 0 auto;padding:10px 18px;border:0;border-radius:999px;background:var(--sym-accent);color:#fff;font-family:inherit;font-size:14px;font-weight:600;cursor:pointer}.symbol-tray__copy:disabled{background:var(--sym-line-strong);color:#fff;cursor:not-allowed}.symbol-tray__reset{flex:0 0 auto;width:34px;height:34px;border:1px solid var(--sym-line-strong);border-radius:50%;background:var(--sym-bg);color:var(--sym-text-sub);font-size:15px;line-height:1;cursor:pointer}.symbol-note{margin:0 0 16px;padding:12px 14px;border:1px solid var(--sym-danger-line);border-left-width:4px;border-radius:6px;background:var(--sym-danger-bg);font-size:13.5px;line-height:1.8}.symbol-note strong{color:var(--sym-danger)}.symbol-toast{position:fixed;left:50%;bottom:calc(104px + env(safe-area-inset-bottom));z-index:60;transform:translate(-50%,10px);opacity:0;pointer-events:none;padding:10px 20px;border-radius:999px;background:rgba(31,41,55,.92);color:#fff;font-size:14px;white-space:nowrap;transition:opacity .18s ease,transform .18s ease}.symbol-toast[data-show=true]{opacity:1;transform:translate(-50%)}@media (max-width:480px){.symbol-page{padding:0 12px 120px}.symbol-grid{grid-template-columns:repeat(auto-fill,minmax(48px,1fr));gap:6px}.symbol-btn{min-height:48px;font-size:20px}.symbol-tool{padding:12px}.symbol-tool__tabs{margin:0 -12px}.symbol-tool__tabs,.symbol-tray{padding-left:12px;padding-right:12px}.symbol-tray{margin:14px -12px -12px}.symbol-tray__copy{padding:10px 14px}}@media (prefers-reduced-motion:reduce){.symbol-btn,.symbol-tab,.symbol-toast{transition:none}}@media (prefers-color-scheme:dark){:root{--sym-bg:#1f2937;--sym-bg-sub:#111827;--sym-line:#374151;--sym-line-strong:#4b5563;--sym-text:#f3f4f6;--sym-text-sub:#9ca3af;--sym-accent-soft:#312e81;--sym-danger-bg:#422006;--sym-danger-line:#a16207}.symbol-tray{background:rgba(17,24,39,.96)}}