@font-face{font-family:Zen Kaku Gothic New;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/tokyo-how-original-logo.woff2) format("woff2");unicode-range:U+2E,U+68,U+6B,U+6F,U+74,U+77,U+79}:root{--BrandMark-fontFamily: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;--BrandMark-fontSize: 1.375rem;--BrandMark-fontWeight: 700;--BrandMark-letterSpacing: .1em;--BrandMark-lineHeight: 1.85;--BrandMark-gap: .5rem;--BrandMark-imageWidth: 1.5rem;--BrandMark-color: #1C1C1C;--BrandMark-dotColor: oklch(.55 .22 25)}:root[lang=en]{--BrandMark-lineHeight: 1.75}.dark{--BrandMark-color: oklch(.92 .01 85)}.site-logo{display:inline-flex;align-items:center;flex-shrink:0;gap:var(--BrandMark-gap);color:var(--BrandMark-color);font-family:var(--BrandMark-fontFamily);font-size:var(--BrandMark-fontSize);font-weight:var(--BrandMark-fontWeight);letter-spacing:var(--BrandMark-letterSpacing);line-height:var(--BrandMark-lineHeight);text-decoration:none;white-space:nowrap}.site-logo-img{display:block;width:var(--BrandMark-imageWidth);height:auto;flex-shrink:0}.site-logo-dot{color:var(--BrandMark-dotColor)}.site-logo:hover,.site-end .site-logo:hover{color:var(--BrandMark-color);text-decoration:none}.header-search{display:flex;align-items:center;flex:1 1 24rem;min-width:10rem;max-width:28rem;margin-inline:auto;gap:var(--space-1)}.header-search>.search-field{flex:1;min-width:0}@media(max-width:48rem){.header-search{order:3;flex-basis:100%;max-width:none;margin-block:var(--space-2) var(--space-4)}}.masthead{position:relative;z-index:40;background:var(--background);font-family:var(--font-header)}.masthead-inner{display:flex;align-items:center;gap:var(--space-6);width:calc(100% - 3rem);max-width:90rem;min-height:var(--header-height);margin:1.5rem auto 0}.masthead-brand{flex:0 0 auto}.desktop-navigation{display:flex;align-items:center;gap:var(--space-6);flex-shrink:0}.desktop-navigation a{display:inline-flex;align-items:center;min-height:3rem;font-size:var(--text-label);font-weight:550}.desktop-navigation a:hover,.desktop-navigation a[aria-current]{color:var(--brand);text-decoration:underline;text-underline-offset:.6em}.masthead-tools{display:flex;align-items:center;gap:var(--space-2);margin-inline-start:0;flex-shrink:0}.header-saved{position:relative;display:inline-flex;align-items:center;justify-content:center;flex:0 0 var(--control-height);inline-size:var(--control-height);block-size:var(--control-height)}.header-saved svg{width:1.2rem;height:1.2rem}.language-picker{position:relative}.language-picker summary{display:flex;align-items:center;justify-content:center;gap:.45rem;min-height:2.75rem;padding-inline:.7rem;list-style:none;font-size:var(--text-caption)}summary::-webkit-details-marker{display:none}.language-picker summary:hover{background:var(--muted);border-radius:.4rem}.disclosure-chevron{width:.7rem;height:.7rem}.language-flag{font-size:var(--text-reading);line-height:1}.language-panel{position:absolute;inset-inline-end:0;top:calc(100% + .75rem);width:min(30rem,calc(100vw - 2rem));padding:var(--space-6);background:var(--card);border-radius:1rem;box-shadow:var(--shadow-lg)}.language-panel>p{margin-bottom:var(--space-4);font-size:var(--text-label);font-weight:var(--weight-medium)}.language-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.2rem;max-height:65dvh;overflow-y:auto}.language-grid a{display:flex;align-items:center;gap:var(--space-2);min-height:2.75rem;padding:var(--space-2);font-size:var(--text-label)}.language-grid a:hover,.language-grid a[aria-current]{color:var(--brand);background:var(--muted);border-radius:.3rem}.language-current{margin-inline-start:auto}.mobile-navigation{display:none}.mobile-navigation>summary{list-style:none}.site-end{padding-block:4rem 1.5rem;background:var(--card)}.footer-directory{display:grid;grid-template-columns:1.3fr 1fr .8fr;gap:4rem}.footer-brand p{margin-top:var(--space-4);font-size:var(--text-label);color:var(--muted-foreground)}.footer-directory>*{min-inline-size:0;overflow-wrap:anywhere}.footer-location{display:block;margin-top:var(--space-8);color:var(--brand);font-size:var(--text-caption);letter-spacing:.15em;line-height:1.8}.footer-primary a{display:flex;align-items:center;gap:var(--space-4);padding-block:.5rem;font-size:var(--text-label);font-weight:var(--weight-bold)}.footer-primary a>span:first-child{font-size:var(--text-caption);color:var(--muted-foreground)}.footer-primary a>.ui-icon{margin-inline-start:auto}.footer-information{display:flex;flex-direction:column;align-items:start}.footer-information a{display:inline-flex;align-items:center;min-height:2.75rem;font-size:var(--text-label)}.site-end a:hover{color:var(--brand)}.footer-bottom{display:flex;justify-content:space-between;gap:var(--space-4);margin-top:3rem;font-size:var(--text-caption);color:var(--muted-foreground)}.footer-bottom>div{display:flex;gap:var(--space-6);flex-wrap:wrap}.footer-bottom a{display:inline-flex;align-items:center;gap:.35rem;min-height:2.75rem}@media(max-width:68rem){.language-picker>summary .language-name{display:none}.masthead-inner{gap:var(--space-4)}.desktop-navigation{gap:1.2rem}}@media(max-width:79.999rem){.desktop-navigation{display:none}.mobile-navigation{display:block}.mobile-navigation nav{position:absolute;inset-inline-end:1.5rem;top:100%;width:min(24rem,calc(100vw - 3rem));padding:var(--space-4) var(--space-6);background:var(--card);border-radius:var(--radius-md);box-shadow:var(--shadow-lg)}.mobile-navigation nav a{display:flex;align-items:center;justify-content:space-between;min-height:3.5rem;font-size:var(--text-reading)}}@media(max-width:48rem){:root{--header-height: 4.5rem}.masthead-inner{flex-wrap:wrap;width:calc(100% - 2.5rem);gap:.25rem}.masthead-brand{flex:1}.masthead-tools{gap:0;margin-inline-start:0}.desktop-navigation{display:none}.mobile-navigation{display:block}.mobile-navigation nav{position:absolute;inset-inline:1.25rem;width:auto;top:calc(100% - 1px);padding:1rem 1.5rem;background:var(--card);border-radius:0 0 1rem 1rem;box-shadow:var(--shadow-lg)}.mobile-navigation nav a{display:flex;align-items:center;justify-content:space-between;min-height:3.5rem;font-size:var(--text-reading)}.language-panel{position:fixed;top:4.5rem;inset-inline-end:1.25rem;width:calc(100vw - 2.5rem)}.language-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.language-picker summary{padding-inline:var(--space-2)}.disclosure-chevron{display:none}.footer-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-8)}.footer-brand{grid-column:1 / -1}.footer-location{display:none}.footer-bottom{flex-wrap:wrap}}@media(max-width:380px){.masthead-inner{width:calc(100% - 2rem)}.masthead .site-logo{--BrandMark-fontSize: 1rem;--BrandMark-imageWidth: 1.1rem;--BrandMark-gap: .3rem;--BrandMark-letterSpacing: .04em}.masthead-tools .icon-control,.masthead-tools .language-picker>summary,.header-saved{width:var(--control-height);min-width:var(--control-height);padding-inline:0}}@media(max-width:48rem){.masthead-inner{margin-top:.625rem}}@media(max-width:30rem){.masthead-tools>.header-saved{display:none}.masthead-tools .language-picker>summary{width:var(--control-height);padding-inline:0}}.cookie-consent[data-astro-cid-garwan2p]{position:fixed;left:0;right:0;bottom:0;z-index:80;padding:var(--space-3);pointer-events:none}.cookie-consent__inner[data-astro-cid-garwan2p]{pointer-events:auto;max-width:64rem;margin:0 auto;display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-4) var(--space-6);background:var(--color-card);color:var(--color-card-foreground);border-radius:var(--radius-lg);box-shadow:0 10px 30px #00000026}@media(min-width:768px){.cookie-consent__inner[data-astro-cid-garwan2p]{flex-direction:row;align-items:center;justify-content:space-between;gap:var(--space-6)}}.cookie-consent__title[data-astro-cid-garwan2p]{font-size:.95rem;font-weight:700;margin:0 0 var(--space-1)}.cookie-consent__body[data-astro-cid-garwan2p]{font-size:.85rem;line-height:1.5;margin:0;color:var(--color-muted-foreground)}.cookie-consent__link[data-astro-cid-garwan2p]{color:inherit;text-decoration:underline;text-underline-offset:2px}.cookie-consent__actions[data-astro-cid-garwan2p]{display:flex;flex-wrap:wrap;gap:var(--space-2);flex-shrink:0}.cookie-consent__btn[data-astro-cid-garwan2p]{font:inherit;font-size:.85rem;font-weight:500;padding:.5rem .9rem;border-radius:var(--radius-md);border:0;cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease;white-space:nowrap}.cookie-consent__btn--ghost[data-astro-cid-garwan2p]{background:transparent;color:var(--color-muted-foreground)}.cookie-consent__btn--ghost[data-astro-cid-garwan2p]:hover{color:var(--color-foreground)}.cookie-consent__btn--outline[data-astro-cid-garwan2p]{background:var(--color-muted);color:var(--color-foreground)}.cookie-consent__btn--outline[data-astro-cid-garwan2p]:hover{background:var(--color-muted)}.cookie-consent__btn--primary[data-astro-cid-garwan2p]{background:var(--color-foreground);color:var(--color-background)}.cookie-consent__btn--primary[data-astro-cid-garwan2p]:hover{opacity:.9}.cookie-consent-modal[data-astro-cid-garwan2p]{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;padding:var(--space-4)}.cookie-consent-modal__backdrop[data-astro-cid-garwan2p]{position:absolute;inset:0;background:#00000080}.cookie-consent-modal__panel[data-astro-cid-garwan2p]{position:relative;width:100%;max-width:32rem;max-height:90vh;overflow-y:auto;background:var(--color-card);color:var(--color-card-foreground);border-radius:var(--radius-lg);padding:var(--space-8);box-shadow:0 20px 50px #0000004d}.cookie-consent-modal__title[data-astro-cid-garwan2p]{font-size:1.1rem;font-weight:700;margin:0 0 var(--space-3)}.cookie-consent-modal__body[data-astro-cid-garwan2p]{font-size:.9rem;line-height:1.5;margin:0 0 var(--space-6);color:var(--color-muted-foreground)}.cookie-consent-modal__list[data-astro-cid-garwan2p]{list-style:none;padding:0;margin:0 0 var(--space-6);display:flex;flex-direction:column;gap:var(--space-3)}.cookie-consent-modal__item[data-astro-cid-garwan2p]{background:var(--color-muted);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4)}.cookie-consent-modal__row[data-astro-cid-garwan2p]{display:flex;gap:var(--space-3);align-items:flex-start;cursor:pointer}.cookie-consent-modal__row[data-astro-cid-garwan2p] input[data-astro-cid-garwan2p][type=checkbox]{margin-top:.25rem;width:1rem;height:1rem;flex-shrink:0}.cookie-consent-modal__label[data-astro-cid-garwan2p]{display:flex;flex-direction:column;gap:.15rem;font-size:.85rem}.cookie-consent-modal__label[data-astro-cid-garwan2p] strong[data-astro-cid-garwan2p]{font-weight:600}.cookie-consent-modal__label[data-astro-cid-garwan2p] span[data-astro-cid-garwan2p]{color:var(--color-muted-foreground);line-height:1.45}.cookie-consent-modal__actions[data-astro-cid-garwan2p]{display:flex;flex-wrap:wrap;gap:var(--space-2);justify-content:flex-end}.ai-chat{font-family:var(--font-sans);color:var(--foreground)}.ai-chat button,.ai-chat textarea{font:inherit}.ai-chat button{appearance:none;-webkit-appearance:none;cursor:pointer}.ai-chat button svg{display:block;flex:none}.ai-chat [hidden]{display:none!important}.ai-chat :is(button,a,textarea):focus-visible{outline:2px solid var(--ring);outline-offset:3px}.ai-chat button:disabled{opacity:.45;cursor:default}.ai-chat__launcher{position:fixed;right:calc(1rem + env(safe-area-inset-right,0px));bottom:calc(1rem + env(safe-area-inset-bottom,0px));z-index:60;display:flex;align-items:center;justify-content:center;width:3.5rem;height:3.5rem;padding:.75rem;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--brand);color:var(--brand-foreground);box-shadow:var(--shadow-lg)}.ai-chat__launcher img,.ai-chat__title img{flex:none;width:28px;height:26px;object-fit:contain}.ai-chat__dialog{position:fixed;z-index:60;inset:auto 1rem calc(1rem + env(safe-area-inset-bottom,0px)) auto;margin:0;padding:0;width:min(380px,calc(100vw - 2rem));height:min(500px,calc(100dvh - 2rem));max-width:none;max-height:none;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--background);color:var(--foreground);box-shadow:var(--shadow-lg);overflow:hidden}.ai-chat__dialog[open]{display:flex;flex-direction:column}.ai-chat__dialog::backdrop{background:#00000038}.ai-chat__header{display:flex;align-items:center;justify-content:space-between;gap:.5rem;padding:.5rem .75rem;border-bottom:1px solid var(--border)}.ai-chat__title{display:flex;align-items:center;gap:.5rem;margin:0;font-size:.95rem;font-weight:600}.ai-chat__title .site-logo{font-size:1rem;gap:.35rem}.ai-chat__title .site-logo-img{width:20px;height:20px}.ai-chat__tools{display:flex;gap:.25rem}.ai-chat__tools button{display:inline-flex;align-items:center;justify-content:center;border:0;color:var(--muted-foreground);background:transparent;width:2rem;height:2rem;padding:0;line-height:1;border-radius:var(--radius-sm)}.ai-chat__tools button:hover{background:var(--muted)}.ai-chat__body{position:relative;display:flex;flex:1;min-height:0}.ai-chat__history{position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;padding:1rem .75rem;background:var(--background);min-height:0}.ai-chat__history-heading{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:0}.ai-chat__history h3{font-size:.85rem;margin:0}.ai-chat__new{flex:none;display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card);color:var(--foreground);padding:0;line-height:1}.ai-chat__new:hover{background:var(--muted)}.ai-chat__history-intro{min-width:0}.ai-chat__history-intro .ai-chat__hint{margin:.25rem 0 0}.ai-chat__sessions>.ai-chat__hint{margin:0}.ai-chat__sessions{list-style:none;margin:.5rem 0 0;padding:0;flex:1;overflow:auto}.ai-chat__sessions li{display:flex;align-items:center;gap:.15rem;margin-bottom:.25rem}.ai-chat__session{min-width:0;flex:1;text-align:left;border:0;border-radius:var(--radius-sm);padding:.65rem 0;background:transparent;color:var(--foreground);font-size:.8rem!important;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ai-chat__session[aria-current=true],.ai-chat__session:hover{background:var(--card)}.ai-chat__delete{display:inline-flex;align-items:center;justify-content:center;flex:none;border:0;background:transparent;color:var(--muted-foreground);border-radius:var(--radius-sm);width:2rem;height:2rem;padding:0;line-height:1}.ai-chat__delete svg{width:18px;height:18px}.ai-chat__clear{display:flex;align-items:center;gap:.4rem;background:transparent;color:var(--muted-foreground);padding:.5rem 0;border:0;text-align:left;font-size:.75rem!important}.ai-chat__hint{color:var(--muted-foreground);font-size:.7rem;line-height:1.6;margin:.5rem 0}.ai-chat__conversation{display:flex;flex-direction:column;min-width:0;flex:1;min-height:0}.ai-chat__messages{flex:1;min-height:0;padding:1rem;overflow-y:auto;overscroll-behavior:contain}.ai-chat__empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:12rem;margin:1rem auto;max-width:27rem;color:var(--muted-foreground)}.ai-chat__empty h3{font-size:1rem;line-height:1.7;margin:.75rem 0 .25rem;color:var(--foreground)}.ai-chat__empty p{color:var(--muted-foreground);font-size:.85rem;line-height:1.8}.ai-chat__message{margin:0 0 1.5rem;min-width:0}.ai-chat__speaker{display:flex;align-items:center;gap:.4rem;font-size:.7rem;color:var(--muted-foreground);margin:0 0 .35rem}.ai-chat__speaker :is(svg,img){flex:none;width:18px;height:18px;object-fit:contain}.ai-chat__answer{font-size:.9rem;line-height:1.85;overflow-wrap:anywhere}.ai-chat__answer :is(p,ul,ol,pre,blockquote,table){margin:.6rem 0}.ai-chat__answer :is(h2,h3,h4){font-size:1rem;margin:1rem 0 .5rem}.ai-chat__answer :is(ul,ol){padding-left:1.4rem}.ai-chat__answer a{color:var(--brand);text-decoration:underline}.ai-chat__answer pre{overflow-x:auto;background:var(--muted);padding:.75rem;border-radius:var(--radius-sm)}.ai-chat__answer table{display:block;max-width:100%;overflow-x:auto}.ai-chat__answer :is(th,td){padding:.35rem;border:1px solid var(--border)}.ai-chat__message--assistant .ai-chat__answer{padding:.65rem .9rem;background:var(--muted);border-radius:var(--radius-md)}.ai-chat__message--user{width:fit-content;max-width:88%;margin-left:auto}.ai-chat__message--user .ai-chat__speaker{justify-content:flex-end}.ai-chat__message--user .ai-chat__speaker svg{box-sizing:border-box;width:26px;height:26px;padding:4px;border:1px solid var(--border);border-radius:50%;background:var(--muted)}.ai-chat__message--user .ai-chat__answer{padding:.65rem .9rem;background:var(--muted);border-radius:var(--radius-md);white-space:pre-wrap}.ai-chat__source-heading{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-top:1rem}.ai-chat__source-heading h3{font-size:.75rem;color:var(--muted-foreground);margin:0}.ai-chat__source-nav{display:flex;gap:.25rem}.ai-chat__source-nav button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--card);color:var(--foreground);width:2.25rem;height:2.25rem;padding:0;line-height:1}.ai-chat__sources{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(13rem,76%);gap:.75rem;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:thin;padding:.5rem .15rem .75rem;overscroll-behavior-x:contain}.ai-chat__source{display:flex;flex-direction:column;min-width:0;scroll-snap-align:start;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--card);color:var(--foreground);text-decoration:none;overflow:hidden}.ai-chat__source img{width:100%;height:6rem;object-fit:cover}.ai-chat__source-copy{padding:.75rem}.ai-chat__source strong{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.85rem;line-height:1.6}.ai-chat__source p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--muted-foreground);font-size:.75rem;line-height:1.6;margin:.5rem 0 0}.ai-chat__notice{margin:0;padding:.5rem 1rem;color:var(--destructive);font-size:.8rem}.ai-chat__form{--ai-chat-control-height: 2.75rem;display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem .25rem;border-top:1px solid var(--border)}.ai-chat__form textarea{flex:1;min-width:0;box-sizing:border-box;resize:none;height:var(--ai-chat-control-height);min-height:var(--ai-chat-control-height);max-height:var(--ai-chat-control-height);overflow-y:auto;padding:.5625rem .75rem;line-height:1.5;border:1px solid var(--input);border-radius:var(--radius-md);background:var(--background);color:var(--foreground);font-size:1rem}.ai-chat__send,.ai-chat__stop{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:var(--radius-sm);box-sizing:border-box;height:var(--ai-chat-control-height);min-height:var(--ai-chat-control-height);padding:.5rem .85rem;background:var(--brand);color:var(--brand-foreground);font-size:.8rem!important;line-height:1}.ai-chat__stop{background:var(--muted);color:var(--foreground)}.ai-chat__disclaimer{margin:0;padding:.4rem 1rem .8rem;color:var(--muted-foreground);font-size:.65rem;line-height:1.6}@media(max-width:699px){.ai-chat__dialog{right:1rem;bottom:calc(1rem + env(safe-area-inset-bottom,0px))}.ai-chat__messages{padding:1rem}.ai-chat__form{padding:.75rem .75rem .25rem}}@media(prefers-reduced-motion:reduce){.ai-chat__sources{scroll-behavior:auto}}