:root{--paper: #ffffff;--paper-2: #f7f7f8;--ink: #1a1a1a;--text: #1a1a1a;--text-muted: #4b4e53;--accent: #1a1a1a;--accent-weak: #f2f2f3;--hairline: #e8e8ea;--border: #e8e8ea;--bg: #ffffff;--serif: "Lora", "Noto Serif JP", "Hiragino Mincho ProN", "YuMincho", serif;--sans: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;--header-h: 60px;--tap-min: 44px;--radius: 10px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--paper);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.65;letter-spacing:.01em;-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}:where(a,button,select,[role=menuitem],[tabindex]):focus-visible{outline:2px solid var(--accent);outline-offset:2px}:where(input,textarea):focus{outline:2px solid var(--accent);outline-offset:1px}button,[role=button]{user-select:none;-webkit-user-select:none}.name-sama{font-size:.85em;font-weight:600;margin-left:.4em;align-self:flex-end;color:var(--text-muted);user-select:none;-webkit-user-select:none}.app-shell{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.app-topbar{position:sticky;top:0;z-index:10}.app-header{position:relative;height:calc(var(--header-h) + env(safe-area-inset-top));display:flex;align-items:center;justify-content:center;padding:env(safe-area-inset-top) 16px 0;background:var(--paper);color:var(--ink);border-bottom:1px solid var(--hairline)}.app-title{margin:0}.app-title-link{display:flex;flex-direction:column;align-items:center;gap:3px;text-decoration:none;color:inherit}.app-menu{position:absolute;right:12px;top:50%;transform:translateY(-50%)}.app-menu-btn{min-width:var(--tap-min);min-height:var(--tap-min);display:inline-flex;align-items:center;justify-content:center;border:none;background:none;color:var(--ink);font-size:1.375rem;line-height:1;border-radius:8px;cursor:pointer}.app-menu-btn:hover{background:var(--accent-weak)}.app-close-btn{position:absolute;right:12px;top:50%;transform:translateY(-50%);min-width:var(--tap-min);min-height:var(--tap-min);display:inline-flex;align-items:center;justify-content:center;border:none;background:none;color:var(--ink);font-size:1.25rem;line-height:1;border-radius:8px;cursor:pointer}.app-close-btn:hover{background:var(--accent-weak)}.app-overlay{position:fixed;inset:0;z-index:50;background:var(--paper);overflow-y:auto;overscroll-behavior:contain;animation:app-overlay-in .16s ease}@keyframes app-overlay-in{0%{opacity:0}to{opacity:1}}@media(prefers-reduced-motion:reduce){.app-overlay{animation:none}}.app-overlay-close{position:fixed;top:calc(env(safe-area-inset-top) + 12px);right:12px;z-index:51;min-width:var(--tap-min);min-height:var(--tap-min);display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--bg);color:var(--ink);font-size:1.1rem;line-height:1;border-radius:8px;cursor:pointer}.app-overlay-close:hover{border-color:var(--accent)}.app-overlay-body{padding:24px 20px;padding-top:calc(env(safe-area-inset-top) + 20px);padding-bottom:calc(env(safe-area-inset-bottom) + 24px);max-width:720px;margin:0 auto}.app-menu-list{position:absolute;top:100%;right:0;z-index:20;min-width:160px;display:flex;flex-direction:column;padding:6px;background:var(--bg);border:1px solid var(--border);border-radius:10px;box-shadow:0 6px 20px #1414141f}.app-menu-item{min-height:var(--tap-min);display:flex;align-items:center;width:100%;padding:0 14px;border:none;border-radius:6px;background:none;color:var(--ink);font-family:inherit;font-size:.9375rem;font-weight:600;text-align:left;text-decoration:none;cursor:pointer}.app-menu-item:hover{background:var(--accent-weak)}.app-menu-item.is-active{color:var(--accent)}.app-menu-logout{margin-top:4px;border-top:1px solid var(--hairline)}.app-wordmark{font-family:var(--serif);font-weight:700;font-size:1.5rem;line-height:1;letter-spacing:.06em;text-indent:.06em;color:var(--ink)}.app-subtitle{font-size:.625rem;font-weight:500;letter-spacing:.34em;text-indent:.34em;color:var(--text-muted)}.app-main{flex:1;padding:24px 20px;padding-bottom:calc(env(safe-area-inset-bottom) + 24px);overflow-x:clip}.app-main>*{animation:fade-in .5s ease both}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.page-title{margin:4px 0 20px;font-family:var(--serif);font-size:1.75rem;font-weight:600;letter-spacing:.02em;line-height:1.25;color:var(--ink)}@media(prefers-reduced-motion:reduce){.app-main>*{animation:none}}.demo-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px;background:#2b2b30;color:#fff;font-size:.8125rem}.demo-banner-text{line-height:1.4}.demo-banner-exit{flex-shrink:0;border:1px solid rgba(255,255,255,.5);background:transparent;color:#fff;border-radius:999px;padding:4px 12px;font-size:.8125rem;cursor:pointer;font-family:inherit}.demo-banner-exit:hover{background:#ffffff1f}