:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f5f2ec;--surface:#fdfbf7;--surface-alt:#f7f4ee;--border:#e5ded3;--text:#4a4642;--text-muted:#6f6a62;--text-faint:#8a837b;--primary:#7f4f56;--primary-hover:#6d4046;--on-primary:#fff;--accent:#687363;--accent-hover:#596355;--radius:10px;--radius-sm:6px;--radius-pill:999px;--shadow-card:0 4px 10px #4a46420f;--shadow-hover:0 6px 16px #4a46421f;--focus-ring:2px solid var(--primary);--focus-ring-offset:2px;--font-sans:"M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;--fw-normal:400;--fw-medium:500;--fw-bold:700;--fs-2xl:2rem;--fs-xl:1.8rem;--fs-lg:1.3rem;--fs-md:1.2rem;--fs-base:1rem;--fs-sm:.9rem;--fs-xs:.85rem;--fs-2xs:.75rem;--fs-h1-narrow:1.5rem;--lh-base:1.7;--lh-heading:1.3;--content-wide:1000px;--content:960px;--reading:800px;--panel:600px;--gutter:1rem;--space-2xs:.25rem;--space-xs:.5rem;--space-sm:1rem;--space-md:1.5rem;--space-lg:2rem;--space-xl:3rem}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}body{font-family:var(--font-sans);font-size:var(--fs-base);line-height:var(--lh-base);background-color:var(--bg);color:var(--text);text-align:left;margin:0;padding:0}:where(button,input,select,textarea){font-family:inherit}:where(a,button,input,select,textarea,[tabindex]):focus-visible{outline:var(--focus-ring);outline-offset:var(--focus-ring-offset)}main{width:100%;max-width:var(--content);padding:var(--space-sm) var(--gutter);flex:1;margin:0 auto}h1,h2,h3{line-height:var(--lh-heading)}h1{font-size:var(--fs-2xl);text-align:center;margin-top:2rem;margin-bottom:2rem}.top-page{width:100%;max-width:var(--reading);padding:var(--space-lg) var(--gutter);text-align:center;margin:0 auto}.introduction-area{max-width:var(--panel);margin:var(--space-lg) auto var(--space-sm) auto;background-color:var(--surface-alt);border-radius:var(--radius);box-shadow:var(--shadow-card);border:1px solid var(--border);font-size:var(--fs-sm);color:var(--text);padding:1.5rem}.introduction-area h2{font-size:var(--fs-md);color:var(--primary);text-align:center;margin-bottom:1rem}.introduction-area p{line-height:var(--lh-base);text-align:left;margin:0}.feature-list{text-align:left;margin:0;padding:0;list-style:none}.feature-list li{margin-bottom:1rem}.feature-list li:last-child{margin-bottom:0}.feature-title{font-weight:var(--fw-bold);color:var(--primary);margin-bottom:.2em;display:block}.feature-body{color:var(--text-muted);line-height:var(--lh-base);display:block}.target-filter-button{justify-content:space-between;align-items:center;gap:var(--space-xs);width:100%;max-width:var(--panel);margin:0 auto var(--space-sm);padding:.6rem var(--space-sm);background-color:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:var(--fs-base);cursor:pointer;display:flex}.target-filter-button:hover:not(:disabled){background-color:var(--surface-alt)}.target-filter-count{color:var(--text-muted);font-size:var(--fs-sm)}.howto-area{max-width:var(--panel);margin:var(--space-lg) auto;background-color:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-card);font-size:var(--fs-sm);color:var(--text);line-height:var(--lh-base);border:1px solid var(--border);background-image:radial-gradient(var(--border) 1px, transparent 1px);background-size:10px 10px;padding:1.5rem}.howto-area h2{font-size:var(--fs-md);color:var(--primary);text-align:center;margin-bottom:1rem}.howto-area ul{text-align:left;margin:0;padding:0 0 0 1.5em;list-style:outside}.howto-area ol{text-align:left;margin:0 0 1rem;padding:0 0 0 1.5em;list-style:decimal}.howto-area li{margin-bottom:.8rem;position:relative}.mode-tabs{border:1px solid var(--border);border-radius:var(--radius-pill);background-color:var(--surface-alt);justify-content:center;gap:0;width:fit-content;margin:0 auto 1rem;display:flex;overflow:hidden}.mode-tab{color:var(--text-muted);font-size:var(--fs-sm);font-weight:var(--fw-medium);cursor:pointer;background:0 0;border:none;padding:.4rem 1.2rem;transition:background-color .2s}.mode-tab:hover:not(:disabled){background-color:var(--border)}.mode-tab.active{background-color:var(--primary);color:var(--on-primary)}.mode-tab:focus-visible{outline-offset:calc(-1 * var(--focus-ring-offset))}.mode-tab.active:focus-visible{outline-color:var(--on-primary)}.mode-tab:disabled{cursor:default;opacity:.7}.input-area{width:100%;max-width:var(--panel);text-align:center;margin:0 auto 1rem}.button-row{flex-wrap:nowrap;justify-content:center;gap:.5rem;margin-bottom:1rem;display:flex}.button-row button{font-size:var(--fs-base);background-color:var(--primary);color:var(--on-primary);border-radius:var(--radius-sm);cursor:pointer;border:none;flex:1;padding:.7rem;transition:background-color .2s}.button-row button:hover:not(:disabled){background-color:var(--primary-hover)}.button-row button:disabled{opacity:.45;cursor:not-allowed}.duration-label{font-weight:var(--fw-medium)}.duration-select{font-size:var(--fs-sm);border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;padding:.2rem .4rem;transition:background .2s}.duration-select:hover:not(:disabled){background:var(--surface-alt)}.word-list{flex-wrap:wrap;justify-content:center;gap:.6rem;margin-bottom:1rem;display:flex}.word-tag{background-color:var(--surface-alt);border-radius:var(--radius-pill);font-size:var(--fs-sm);border:1px solid var(--border);align-items:center;padding:.4rem .8rem;display:flex}.word-tag button{background:var(--primary);color:var(--on-primary);width:1.2rem;height:1.2rem;font-size:var(--fs-xs);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;margin-left:.6rem;padding:0;display:flex}.word-tag button:hover:not(:disabled){background:var(--primary-hover)}.word-tag button:disabled{opacity:.45;cursor:not-allowed}.reset-area{text-align:center;margin-top:1rem}.reset-area button{background-color:var(--accent);color:var(--on-primary);border-radius:var(--radius-sm);cursor:pointer;border:none;padding:.6rem 1.5rem;transition:background-color .2s}.reset-area button:hover:not(:disabled){background-color:var(--accent-hover)}.reset-area button:disabled{opacity:.45;cursor:not-allowed}.tool-lead{max-width:var(--panel);font-size:var(--fs-sm);line-height:var(--lh-base);color:var(--text-muted);text-align:left;margin:0 auto 1.5rem}.usecase-list{text-align:left;line-height:var(--lh-base);margin:0;padding:0;list-style:none}.usecase-list li{margin-bottom:.6rem}.faq-area{max-width:var(--panel);margin:var(--space-lg) auto;background-color:var(--surface-alt);border-radius:var(--radius);box-shadow:var(--shadow-card);border:1px solid var(--border);font-size:var(--fs-sm);color:var(--text);padding:1.5rem}.faq-area h2{font-size:var(--fs-md);color:var(--primary);text-align:center;margin-bottom:1rem}.faq-item{border-bottom:1px solid var(--border);padding:.8rem 0}.faq-item:last-child{border-bottom:none}.faq-item dt{font-weight:var(--fw-bold);color:var(--text);margin-bottom:.4rem}.faq-item dd{line-height:var(--lh-base);color:var(--text-muted);margin:0}.shared-link-error{max-width:var(--panel);margin:0 auto var(--space-md);border:1px solid var(--border);border-radius:var(--radius);background-color:var(--surface-alt);color:var(--text-muted);font-size:var(--fs-sm);padding:.7rem 1rem}.hidden{display:none}.visually-hidden{clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (max-width:600px){h1{font-size:var(--fs-h1-narrow)}.button-row button{font-size:var(--fs-sm);padding:.6rem}}
*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{min-height:100vh;font-family:var(--font-sans);flex-direction:column;display:flex}.site-header{background:var(--surface-alt);border-bottom:1px solid var(--border);width:100%;box-shadow:0 2px 4px #4a46420d}.header-inner{max-width:var(--content-wide);padding:.75rem var(--gutter);justify-content:space-between;align-items:center;margin:0 auto;display:flex}.logo-area{align-items:center;margin-right:auto;display:flex}.logo-img{width:auto;height:44px;display:block}.nav-desktop{align-items:center;gap:.8rem;display:flex}.nav-link{border:2px solid var(--primary);color:var(--on-primary);background:var(--primary);border-radius:8px;padding:.4rem .8rem;text-decoration:none;transition:background .2s,color .2s}.nav-link:hover{color:var(--primary);background:var(--surface)}.lang-switcher{position:relative}.lang-switcher-button{font-family:inherit;font-size:inherit;background:var(--surface);color:var(--text-muted);border:2px solid var(--border);cursor:pointer;border-radius:8px;align-items:center;gap:.3rem;padding:.4rem .8rem;transition:border-color .2s,color .2s;display:inline-flex}.lang-switcher-button:hover{border-color:var(--primary);color:var(--primary)}.lang-caret{font-size:.7em}.lang-switcher-menu{background:var(--surface);border:1px solid var(--border);z-index:100;border-radius:8px;min-width:100%;padding:.25rem;list-style:none;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 4px 10px #4a46421f}.lang-switcher-menu a{color:var(--text-muted);white-space:nowrap;border-radius:6px;padding:.4rem .9rem;text-decoration:none;display:block}.lang-switcher-menu a:hover{background:var(--surface-alt);color:var(--primary)}.lang-switcher-menu a.lang-current{color:var(--primary);font-weight:var(--fw-medium)}.nav-mobile a.lang-current{background:var(--surface);color:var(--primary);border:2px solid var(--primary)}.hamburger{cursor:pointer;appearance:none;background:0 0;border:none;width:30px;height:24px;padding:0;display:none;position:relative}.hamburger span{background:var(--primary);border-radius:2px;width:100%;height:4px;transition:transform .3s,top .3s,opacity .3s;position:absolute;left:0}.hamburger span:first-child{top:0}.hamburger span:nth-child(2){top:10px}.hamburger span:nth-child(3){top:20px}.hamburger.open span:first-child{top:10px;transform:rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){top:10px;transform:rotate(-45deg)}.nav-mobile{z-index:999;background:#f7f4eefa;flex-direction:column;align-items:center;width:100vw;height:100vh;padding-top:4rem;display:none;position:fixed;top:0;left:0}.close-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;font-size:2rem;position:absolute;top:1rem;right:1rem}.nav-mobile a{text-align:center;background:var(--primary);width:80%;max-width:300px;color:var(--on-primary);border-radius:8px;margin:.5rem 0;padding:.75rem;text-decoration:none;transition:background .2s,color .2s}.nav-mobile a:hover{background:var(--surface);color:var(--primary)}.site-footer{text-align:center;width:100%;font-size:var(--fs-xs);box-sizing:border-box;background:linear-gradient(90deg,#f7f4ee00 0%,#f7f4ee 15% 85%,#f7f4ee00 100%);border-top:1px solid #e5ded399;margin-top:auto;padding:20px 10px;position:relative}.site-footer:before,.site-footer:after{content:"";background:linear-gradient(90deg,#e5ded399,#e5ded300);width:15%;height:1px;position:absolute;top:0}.site-footer:before{left:0}.site-footer:after{right:0;transform:rotate(180deg)}.footer-nav{margin-bottom:10px}.footer-nav a,.footer-nav .footer-consent-button{color:var(--text-muted);font-weight:var(--fw-medium);margin:0 10px;text-decoration:none}.footer-nav .footer-consent-button{font-family:inherit;font-size:inherit;cursor:pointer;background:0 0;border:none;padding:0}.footer-nav a:hover,.footer-nav .footer-consent-button:hover{color:var(--primary);text-decoration:underline}.footer-copy{font-size:var(--fs-2xs);color:var(--text-muted)}@media (max-width:768px){.nav-desktop{display:none}.hamburger{display:block}.nav-mobile.show{display:flex}.footer-nav{flex-direction:column;align-items:center;gap:6px;display:flex}.footer-nav a,.footer-nav .footer-consent-button{margin:0}}