:root{--bg:#f0f0ec;--surface:#ffffff;--surface2:#f5f4f0;--surface3:#eceae4;--border:#dddbd3;--border2:#c4c2b8;--text:#1a1a16;--text2:#585850;--text3:#989888;--accent:#1a5a9a;--accent-light:#eaf0fb;--accent-dark:#0f3878;--mono:'DM Mono',monospace;--radius:8px;--radius-lg:14px;}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}.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{font-size:.75em;}.card{background:white;border:1px solid var(--tantive-main-dark-color);border-radius:5px;padding:1.5em;margin-bottom:1em;box-shadow:var(--shadow);}.card-head{font-size:11px;font-weight:700;letter-spacing:.07em;color:var(--gray-600);text-transform:uppercase;padding:9px 14px 7px;background:var(--gray-100);border-bottom:1px solid var(--gray-300);}.card-title{font-size:.75em;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:1em;}.unix-input{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-family:var(--mono);font-size:18px;color:var(--text);background:var(--surface);outline:none;transition:border-color .15s;-webkit-appearance:textfield;appearance:textfield;-moz-appearance:textfield;}.unix-input::-webkit-inner-spin-button,.unix-input::-webkit-outer-spin-button{-webkit-appearance:none;}.unix-input:focus{border-color:var(--accent);}.unix-input::-moz-placeholder{color:var(--text3);font-size:14px;}.unix-input::placeholder{color:var(--text3);font-size:14px;}.tz-row{display:flex;gap:10px;align-items:center;}.tz-select{flex:1;padding:10px 32px 10px 12px;border:1.5px solid var(--border);border-radius:var(--radius);font-family:inherit;font-size:13px;color:var(--text);background:var(--surface);outline:none;cursor:pointer;transition:border-color .15s;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23989888' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;}.tz-select:focus{border-color:var(--accent);}.dst-toggle{display:flex;align-items:center;gap:8px;flex-shrink:0;padding:9px 14px;border:1.5px solid var(--border);border-radius:var(--radius);background:var(--surface);cursor:pointer;transition:all .15s;-webkit-user-select:none;-moz-user-select:none;user-select:none;font-size:12px;font-weight:500;color:var(--text2);}.dst-toggle:hover{background:var(--surface2);border-color:var(--border2);}.dst-toggle.active{border-color:var(--accent);background:var(--accent-light);color:var(--accent);}.dst-toggle input[type=checkbox]{width:14px;height:14px;accent-color:var(--accent);cursor:pointer;flex-shrink:0;margin:0;}.dst-note{font-size:11px;color:var(--text3);margin-top:8px;line-height:1.6;}.action-row{display:flex;gap:10px;}.btn-submit{flex:1;padding:13px;border:none;border-radius:var(--radius);background:var(--tantive-main-dark-color);color:#fff;font-family:inherit;font-size:15px;font-weight:700;cursor:pointer;transition:all .15s;letter-spacing:.02em;}.btn-submit:hover{filter:brightness(.88);}.btn-submit:active{transform:scale(.99);}.info-box{background:var(--surface2);border-left:3px solid var(--border2);border-radius:0 var(--radius) var(--radius) 0;padding:10px 14px;margin-top:14px;font-size:12px;color:var(--text2);line-height:1.7;}.result-caption{text-align:center;}.result-time{text-align:center;font-size:2rem;}.copy-button-wrap{text-align:center;}.result-copy{padding:.25rem .5rem;font-size:.75rem;background-color:var(--tantive-body-background-color);border:1px solid var(--tantive-main-dark-color);border-radius:5px;}.result-copy:not(.copied):hover{filter:brightness(.88);}.usecase-section{margin-top:1.5em;}.usecase-section li::before{content:"- ";}.related-tools-section{margin-top:1.5em;}.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;height: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}.ad-area{flex:unset}.ad-area-wrap{margin:auto;width:100%}.ad-area-wrap ins{width:300px;height:100px;margin:auto}.ad-moved-area:has(>*){margin-top:1em;margin-bottom:1em}}