:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#fcfcfd;--surface:#fff;--surface-2:#f0f1f4;--text:#17181d;--muted:#6d707c;--faint:#70737f;--border:#e5e6eb;--hairline:#f0f1f4;--accent:#4f46e5;--accent-hover:#4338ca;--accent-soft:#eef2ff;--on-accent:#fff;--warn-bg:#fff7e6;--warn-text:#8a5a00;--tile-bg:#fcfcfd;--ghost-border:#d9dbe3;--shadow:0 1px 2px #10121a0a, 0 8px 24px #10121a0d;--radius:14px;--radius-sm:8px;--font:system-ui, -apple-system, "Segoe UI", Roboto, "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#101116;--surface:#181a21;--surface-2:#22242e;--text:#e8e9ee;--muted:#9a9eac;--faint:#7c8090;--border:#2b2e3a;--hairline:#22242e;--accent:#8f97ff;--accent-hover:#a5abff;--accent-soft:#262a45;--on-accent:#14152b;--warn-bg:#2e2617;--warn-text:#e5b567;--tile-bg:#14151b;--ghost-border:#3a3e4d;--shadow:0 1px 2px #0006, 0 8px 24px #00000059}*{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font-family:var(--font);min-height:100dvh;margin:0;font-size:15px;line-height:1.6}.wrap{flex-direction:column;max-width:640px;min-height:100dvh;margin-inline:auto;padding:0 24px 8px;display:flex}main{flex:1}h1,h2,h3,p{margin:0}button{font:inherit;color:inherit}a{color:var(--accent)}.visually-hidden{clip-path:inset(50%);width:1px;height:1px;margin:-1px;position:absolute;overflow:hidden}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.site-header{justify-content:space-between;align-items:center;gap:1rem;padding:20px 0 28px;display:flex}.brand{align-items:center;gap:9px;min-width:0;display:flex}.mark{border:1.4px solid var(--ghost-border);text-align:center;background:#fff;border-radius:5px;flex:none;width:21px;height:22px;overflow:hidden;transform:rotate(-7deg)}.mark-band{background:var(--accent);place-items:center;height:5px;display:grid}.mark-band:after{content:"";background:#fff;border-radius:1.5px;width:8px;height:1.8px}.mark-day{color:#17181d;font-variant-numeric:tabular-nums;font-size:10px;font-weight:800;line-height:12.5px;display:block}.brand-name{letter-spacing:-.01em;font-size:15px;font-weight:650}.brand-sub{color:var(--faint);border-left:1px solid var(--border);white-space:nowrap;text-overflow:ellipsis;padding-left:9px;font-size:11px;overflow:hidden}.icon-button{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);width:36px;height:36px;color:var(--muted);cursor:pointer;flex:none;place-items:center;transition:background-color .15s;display:grid}.icon-button.ghost{background:0 0;border:none;border-radius:7px}.icon-button:hover{background:var(--surface-2)}.icon-button svg{width:16px;height:16px;color:var(--faint)}.tagline{letter-spacing:-.015em;margin-block-end:6px;font-size:22px;font-weight:650}.lead{color:var(--muted);text-wrap:pretty;margin-block-end:20px;font-size:13.5px}.demo{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin-block-end:18px;overflow:hidden}.demo-head{background:var(--surface-2);align-items:center;gap:8px;padding:10px 10px 10px 16px;display:flex}.demo-title{font-size:12.5px;font-weight:650}.demo-close{width:26px;height:26px;color:var(--faint);cursor:pointer;background:0 0;border:none;border-radius:6px;place-items:center;margin-inline-start:auto;font-size:14px;display:grid}.demo-close:hover{background:var(--surface-2);color:var(--text)}.demo-body{grid-template-columns:1fr 24px 1fr;align-items:center;gap:10px;padding:14px 16px 10px;display:grid}.demo-source{background:var(--surface-2);color:var(--muted);border-radius:10px;align-items:center;min-height:66px;padding:11px 13px;font-size:12px;line-height:1.8;display:flex}.demo-arrow{text-align:center;color:var(--faint);font-size:14px}.demo-result{border:1px solid var(--border);border-radius:10px;flex-direction:column;justify-content:center;min-height:66px;padding:10px 13px;display:flex}.demo-result-title{font-size:13px;font-weight:650}.demo-result-when{color:var(--muted);font-variant-numeric:tabular-nums;margin-block-start:1px;font-size:11.5px}.demo-foot{align-items:center;gap:12px;padding:0 16px 12px;display:flex}.demo-dots{flex:none;gap:5px;display:flex}.demo-dots button{cursor:pointer;background:0 0;border:none;width:14px;height:24px;padding:0;position:relative}.demo-dots button:after{content:"";background:var(--border);border-radius:2px;position:absolute;inset-block:calc(50% - 1.5px);inset-inline:0}.demo-dots button[aria-current=true]:after{background:var(--accent)}.demo-note{color:var(--faint);margin-inline-start:auto;font-size:10.5px}.input-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.input-card textarea,.highlight{width:100%;min-height:84px;font:inherit;color:var(--text);padding:16px 18px 8px;font-size:14.5px;line-height:1.8;display:block}.input-card textarea{resize:none;background:0 0;border:none;outline:none}.highlight{cursor:text}.seg-time{border-block-end:2px solid var(--accent);padding-block-end:1px}.seg-place{border-block-end:2px dotted var(--faint);padding-block-end:1px}.seg-title{background:var(--accent-soft);border-radius:4px;padding-inline:3px}.input-foot{border-block-start:1px solid var(--hairline);align-items:center;gap:10px;padding:10px 12px 12px;display:flex}.legend{min-width:0;color:var(--faint);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:11.5px;overflow:hidden}.legend .legend-time{color:var(--accent)}.legend .legend-title{background:var(--accent-soft);color:var(--muted);border-radius:3px;padding-inline:4px}.counter{color:var(--faint);font-variant-numeric:tabular-nums;margin-inline-start:auto;font-size:12px}.counter.limit{color:var(--warn-text);font-weight:600}.button{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;justify-content:center;align-items:center;gap:7px;padding:9px 16px;font-size:13.5px;font-weight:600;text-decoration:none;transition:background-color .15s,border-color .15s;display:inline-flex}.button:hover{background:var(--surface-2)}.button.primary{background:var(--accent);color:var(--on-accent);border-color:#0000}.button.primary:hover{background:var(--accent-hover)}.button.tonal{background:var(--accent-soft);color:var(--accent);border-color:#0000}.button.tonal:hover{border-color:var(--accent);background:var(--accent-soft)}.button.small{padding:6px 12px;font-size:12px}.button:disabled{opacity:.6;cursor:default}.chip-button{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--muted);white-space:nowrap;cursor:pointer;align-items:center;gap:6px;padding:7px 11px;font-size:12px;transition:background-color .15s;display:inline-flex}.chip-button:hover{background:var(--surface-2)}.chip-button svg{flex:none;width:12px;height:12px}.link-button{color:var(--faint);cursor:pointer;background:0 0;border:none;padding:4px 0;font-size:11.5px;text-decoration:underline}.link-button:hover{color:var(--text)}.spinner{border:2px solid;border-inline-start-color:#0000;border-radius:50%;width:12px;height:12px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.error{border:1px solid var(--warn-text);background:var(--warn-bg);color:var(--warn-text);border-radius:9px;margin-block-start:12px;padding:10px 14px;font-size:12.5px}.ambiguity{border:1px solid var(--border);background:var(--surface);border-radius:12px;margin-block-start:12px;padding:14px 16px}.ambiguity-q{margin-block-end:9px;font-size:13px;font-weight:650}.ambiguity-options{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.ambiguity-options .candidate{border:1px solid var(--accent);border-radius:var(--radius-sm);background:var(--accent-soft);color:var(--accent);cursor:pointer;font-variant-numeric:tabular-nums;padding:7px 14px;font-size:13px;font-weight:600}.examples{flex-direction:column;align-items:flex-start;gap:8px;margin:14px 0 32px;display:flex}.examples-label{color:var(--faint);font-size:12px}.chips{flex-wrap:wrap;gap:8px;display:flex}.chips button{border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;border-radius:999px;padding:5px 11px;font-size:12px;transition:background-color .15s}.chips button:hover{background:var(--surface-2)}.chips button[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent);font-weight:600}.section-head{align-items:baseline;gap:10px;margin-block-end:10px;display:flex}.section-head h2{font-size:13px;font-weight:650}.preview .section-head h2{color:var(--faint)}.section-note,.section-count{color:var(--faint);font-size:11.5px}.section-action{color:var(--accent);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;margin-inline-start:auto;padding:0;font-size:12px;font-weight:600;display:inline-flex}.section-action svg{width:13px;height:13px}.preview,.results:not(:empty){margin-block-end:28px}.event-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.event-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);flex-wrap:wrap;align-items:center;gap:16px;padding:14px 16px;display:flex}.event-card.ghost{border:1.5px dashed var(--ghost-border);opacity:.85;background:0 0}.date-tile{text-align:center;border:1px solid var(--border);background:var(--tile-bg);border-radius:10px;flex:none;width:48px;padding-block:5px}.date-tile .month{letter-spacing:.08em;color:var(--accent);font-size:9.5px;font-weight:700}.date-tile .day{font-variant-numeric:tabular-nums;font-size:19px;font-weight:700;line-height:1.15}.date-tile .weekday{color:var(--faint);font-size:9.5px}.event-body{flex:1;min-width:0}.event-title-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.event-title{overflow-wrap:anywhere;font-size:15px;font-weight:600;line-height:1.4}.event-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:4px 12px;margin-block-start:2px;font-size:12.5px;display:flex}.event-meta time{font-variant-numeric:tabular-nums}.event-location{overflow-wrap:anywhere;align-items:center;gap:4px;min-width:0;display:inline-flex}.event-location svg{flex:none;width:12px;height:12px}.event-desc{color:var(--faint);overflow-wrap:anywhere;margin-block-start:2px;font-size:12.5px}.badge{background:var(--surface-2);color:var(--muted);border-radius:999px;padding:2px 8px;font-size:10.5px}.badge.accent{background:var(--accent-soft);color:var(--accent)}.badge.warn{background:var(--warn-bg);color:var(--warn-text)}.event-actions{flex-wrap:wrap;align-items:center;gap:6px;width:100%;display:flex}.event-actions .icon-button svg{width:14px;height:14px;color:var(--muted)}.event-actions .button{min-height:36px;padding:7px 12px;font-size:12.5px}.event-actions .button svg{width:15px;height:15px}.edit-form{flex-direction:column;flex:1;gap:8px;min-width:0;display:flex}.edit-form input[type=text],.edit-form input[type=date],.edit-form input[type=time]{border:1px solid var(--border);background:var(--surface-2);color:var(--text);font:inherit;border-radius:7px;padding:7px 10px;font-size:12.5px}.edit-form input[type=text]{width:100%}.edit-form .edit-title{font-size:13.5px;font-weight:600}.edit-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.edit-times{color:var(--faint);align-items:center;gap:5px;display:inline-flex}.checkbox{color:var(--muted);cursor:pointer;align-items:flex-start;gap:8px;font-size:12.5px;line-height:1.5;display:inline-flex}.checkbox input{accent-color:var(--accent)}.edit-actions{justify-content:flex-end;gap:8px;display:flex}.share-row{color:var(--faint);flex-wrap:wrap;align-items:center;gap:8px;margin-block-start:16px;font-size:12px;display:flex}.share-row button{border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;border-radius:999px;padding:5px 12px;font-size:12px}.share-row button:hover{background:var(--surface-2)}.history{margin-block-end:28px}.history details{border:1px solid var(--hairline);border-radius:10px;padding-inline:14px}.history summary{color:var(--muted);cursor:pointer;padding-block:10px;font-size:12.5px;font-weight:600}.history-note{margin:0 0 8px}.history-list{flex-direction:column;gap:7px;padding-block:2px 12px;display:flex}.history-item{align-items:center;gap:10px;font-size:12.5px;display:flex}.history-date{color:var(--faint);font-variant-numeric:tabular-nums;white-space:nowrap}.history-summary{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.history-item button{border:1px solid var(--border);background:var(--surface);color:var(--muted);cursor:pointer;border-radius:999px;flex:none;margin-inline-start:auto;padding:4px 10px;font-size:11px;text-decoration:none}.history-item button:hover{background:var(--surface-2)}.faq{margin:8px 0 32px}.faq h2{margin-block-end:4px;font-size:13px;font-weight:650}.faq details{border-block-end:1px solid var(--hairline)}.faq summary{cursor:pointer;padding-block:10px;font-size:13.5px;font-weight:600}.faq p{color:var(--muted);padding-block:0 12px;font-size:12.5px}.faq details:last-of-type{border-block-end:0}html[lang=ja] [data-lang=en],html[lang=en] [data-lang=ja]{display:none}.doc-back{color:var(--muted);align-items:center;gap:5px;text-decoration:none;display:inline-flex}.doc-back:hover{color:var(--text)}.doc-back svg{flex:none;width:16px;height:16px}.doc{flex:1;padding-block-end:36px}.doc h1{letter-spacing:-.015em;margin:0 0 3px;font-size:21px;font-weight:700}.doc-updated{color:var(--faint);margin:0 0 22px;font-size:11.5px}.doc-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-block-end:12px;padding:18px 20px}.doc-card>h2{color:var(--faint);letter-spacing:.02em;margin:0 0 14px;font-size:12px;font-weight:650}.doc-card section+section{margin-block-start:16px}.doc-card h3{margin:0 0 3px;font-size:13.5px;font-weight:650}.doc-card p{color:var(--muted);text-wrap:pretty;margin:0;font-size:13px;line-height:1.8}.doc-card a{color:var(--accent)}.doc .faq{margin:22px 0 0}.doc .faq h2{color:var(--faint);letter-spacing:.02em;margin-block-end:6px;font-size:12px}.doc .faq p{font-size:13px;line-height:1.8}.site-footer{border-block-start:1px solid var(--hairline);color:var(--faint);flex-direction:column;align-items:flex-start;gap:8px;padding:16px 0 20px;font-size:11.5px;display:flex}.footer-privacy{align-items:center;gap:6px;display:inline-flex}.footer-privacy svg{flex:none;width:12px;height:12px}.footer-links{flex-wrap:wrap;align-items:center;gap:6px 14px;display:inline-flex}.site-footer a{color:inherit;text-decoration:underline}.site-footer a[target=_blank]:after{content:"";vertical-align:-.1em;background-color:currentColor;width:.85em;height:.85em;margin-inline-start:4px;display:inline-block;-webkit-mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 4h6v6'/%3E%3Cpath d='M20 4 11 13'/%3E%3Cpath d='M18 14v5a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h5'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 4h6v6'/%3E%3Cpath d='M20 4 11 13'/%3E%3Cpath d='M18 14v5a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h5'/%3E%3C/svg%3E");-webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}.site-footer a:hover{color:var(--text)}.dialog{overscroll-behavior:contain;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);width:min(100% - 32px,340px);max-height:78dvh;color:var(--text);box-shadow:var(--shadow);padding:20px;overflow-y:auto}.dialog::backdrop{background:#00000059}:root[data-theme=dark] .dialog::backdrop{background:#0000008c}.dialog h2{margin-block-end:16px;font-size:15px;font-weight:650}.dialog fieldset{border:0;margin:0 0 18px;padding:0}.dialog legend{color:var(--muted);margin-block-end:6px;padding:0;font-size:12px;font-weight:600}.setting-row{color:var(--muted);align-items:center;gap:10px;font-size:12.5px;display:flex}.setting-row .button{margin-inline-start:auto}.segmented{gap:6px;display:flex}.segmented label{flex:1;position:relative}.segmented input{opacity:0;cursor:pointer;position:absolute;inset:0}.segmented span{text-align:center;border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:7px;padding:7px 4px;font-size:12.5px;display:block}.segmented input:checked+span{border-color:var(--accent);background:var(--accent-soft);color:var(--accent);font-weight:600}.segmented input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}.dialog-actions{justify-content:flex-end;display:flex}.toast{background:var(--text);max-width:calc(100vw - 32px);color:var(--bg);box-shadow:var(--shadow);text-align:center;z-index:60;border-radius:999px;padding:8px 16px;font-size:12.5px;position:fixed;bottom:28px;left:50%;transform:translate(-50%)}@media (width<=640px){.wrap{padding-inline:16px}.demo-body{grid-template-columns:1fr}.demo-arrow{transform:rotate(90deg)}.input-card textarea{font-size:16px}.event-actions .button{gap:5px;padding-inline:8px}.event-actions .icon-button{width:32px;height:32px}.chips button{padding:8px 14px}.brand-sub{display:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}