*{box-sizing:border-box;}.container__inner{display:flex;justify-content:space-between;gap:1em;max-width:var(--tantive-container-width-pc);margin:50px auto;}.tool-area{flex-grow:1;}h1{font-size:1.5em;margin-bottom:20px;}h2{position:relative;font-size:1.5em;padding:.25em .5em;width:-moz-fit-content;width:fit-content;}h2::before{content:"";position:absolute;top:0;left:0;width:5px;height:100%;border-radius:3px;background-color:var(--tantive-main-dark-color);}.title-section{margin-bottom:50px;}.title-wrap{position:relative;width:-moz-fit-content;width:fit-content;}.title-catch{display:flex;align-items:center;position:absolute;top:0;width:100%;transform:translateY(-100%);font-size:.75em;}.title-catch::before,.title-catch::after{content:"";flex:1;height:1px;background-color:var(--tantive-main-dark-color);}.title-catch span{margin:0 1em;}.card{background:white;border:1px solid var(--tantive-main-dark-color);border-radius:5px;padding:1.25rem;margin-bottom:1rem;box-shadow:0 1px 3px rgba(0,0,0,.05);}.card-title{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.09em;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid var(--tantive-main-dark-color);}.options-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem;align-items:start;}.option-group{display:flex;flex-direction:column;gap:.5rem;}.option-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;margin-bottom:.25rem;}.toggle-row{display:flex;gap:.5rem;}.toggle-btn{flex:1;padding:.5rem;border:1.5px solid var(--tantive-main-dark-color);border-radius:5px;font-size:.75rem;cursor:pointer;transition:all .15s;text-align:center;background:white;}.toggle-btn.active{border-color:var(--tantive-font-color);background:var(--tantive-body-background-color);}.toggle-btn:hover:not(.active){filter:brightness(.88);}.bit-row{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;}.bit-btn{padding:.5rem .25rem;border:1.5px solid var(--tantive-main-dark-color);border-radius:5px;background:white;font-size:.75rem;font-weight:500;cursor:pointer;transition:all .15s;text-align:center;}.bit-btn.active{border-color:var(--tantive-main-dark-color);background:var(--tantive-body-background-color);}.bit-btn:disabled{opacity:.35;cursor:not-allowed;}.bit-btn:hover:not(.active):not(:disabled){filter:brightness(.88);}.conv-list{display:flex;flex-direction:column;gap:.75rem;}.conv-row{display:flex;flex-direction:column;gap:.5rem;}.conv-row-header{display:flex;align-items:center;justify-content:space-between;}.conv-base-label{font-size:.75rem;font-weight:700;display:flex;align-items:center;gap:.5rem;}.base-badge{display:inline-block;padding:.125rem .5rem;border-radius:.25rem;font-size:.75rem;font-weight:700;background:var(--tantive-body-background-color);}.prefix-tag{font-size:.75rem;font-weight:500;background:var(--tantive-body-background-color);padding:.125rem .5rem;border-radius:.25rem;}.conv-input-row{display:flex;gap:.5rem;align-items:stretch;}.conv-input-wrap{flex:1;position:relative;}.conv-input{width:100%;padding:.75rem 1rem;border:1.5px solid var(--tantive-main-dark-color);border-radius:5px;outline:none;transition:border-color .15s;letter-spacing:.03em;}.conv-input.error{border-color:var(--tantive-font-link-color);background-color:var(--tantive-body-background-color);}.conv-input.converted{background:#f5f5f5;}.conv-btn-group{display:flex;gap:.5rem;flex-shrink:0;}.conv-btn{padding:0 1rem;border:1.5px solid var(--accent);border-radius:5px;background:var(--tantive-main-dark-color);color:#fff;font-size:.75rem;font-weight:700;cursor:pointer;transition:all .15s;white-space:nowrap;}.conv-btn:hover{filter:brightness(.88);}.conv-btn:active{transform:scale(.97);}.copy-btn{padding:0 .75rem;border:1.5px solid var(--tantive-main-dark-color);border-radius:5px;background:white;font-size:.75rem;font-weight:500;cursor:pointer;transition:all .15s;white-space:nowrap;}.copy-btn:hover{filter:brightness(.88);}.copy-btn.copied{background:var(--tantive-body-background-color);}.conv-error{font-size:.75rem;display:none;margin-top:.125rem;}.conv-error.show{display:block;}.info-panel{background:var(--tantive-body-background-color);border:1px solid var(--tantive-main-dark-color);border-radius:5px;padding:.75rem;display:flex;gap:1.5rem;flex-wrap:wrap;}.info-item{display:flex;flex-direction:column;gap:.125rem;}.info-item-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;}.info-item-val{font-weight:500;}.conv-divider{border:none;border-top:1px solid var(--tantive-main-dark-color);margin:.25rem 0;}.bin-grouped{font-size:.75rem;margin-top:.25rem;font-family:var(--mono);letter-spacing:.05em;word-break:break-all;line-height:1.6;}.usecase-section{margin-top:1.5em;}.usecase-section li::before{content:"- ";}.related-tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1em;list-style:none;padding:0;margin:1em 0 0 0;}.related-tools-link{display:flex;width:100%;flex-direction:column;align-items:center;gap:8px;padding:1em;border:1px solid var(--tantive-main-dark-color);border-radius:8px;text-decoration:none;color:inherit;transition:box-shadow .2s,transform .2s;}.related-tools-link:hover{box-shadow:0 4px 12px rgba(0,0,0,.1);transform:translateY(-2px);}.related-tools-emoji{font-size:2rem;}.related-tools-name{font-weight:bold;font-size:1rem;}.related-tools-desc{font-size:.8rem;color:#888;text-align:center;}.ad-area{flex:0 0 200px;}.ad-area-wrap{width:400px;position:sticky;top:100px;}.ad-area-wrap ins{width:300px;height:250px;}@media screen and (max-width:1280px){.container__inner{flex-direction:column-reverse;padding:0 1em}.input-section{flex-direction:column;gap:0}.ad-area-wrap{margin:auto;width:100%}.ad-area-wrap ins{width:300px;height:100px;margin:auto}.ad-area{flex:unset}.ad-moved-area:has(>*){margin-top:1em;margin-bottom:1em}}