.pageheader_l{display:flex;justify-content:center;align-items:center;height:calc(100/375*100vw);padding:0 20px;background-position:center center;background-size:cover;text-align:center}.pageheader_l_back1{background:#f0f0f0}.pagehaader_l_title_sub{display:block;font-family:'Oswald',sans-serif;font-size:2rem;letter-spacing:0.2em;text-transform:uppercase;color:#DF5656}.pagehaader_l_title_main{display:block;font-size:3rem;letter-spacing:0.2em}@media screen and (min-width: 768px){.pageheader_l{justify-content:flex-start;height:200px;padding:0 50px;text-align:left}.pagehaader_l_title_sub{font-size:2rem}.pagehaader_l_title_main{font-size:4rem}}.textdbx1{display:block;width:100%;margin-right:5px;padding:5px}.textdbx2{display:block;width:100%;margin-left:5px;padding:5px}textarea{width:100%;height:250px;border-radius:5px;border:1px solid #ccc;font-size:16px;white-space:pre-wrap;word-wrap:break-word}.button_hikaku{margin-top:20px;padding:10px 20px;font-size:16px;background-color:#3498db;color:white;border:none;border-radius:5px;cursor:pointer}.button_hikaku button:hover{background-color:#2980b9}.result{margin-top:20px;text-align:left;font-size:16px;display:none}.highlight-diff{background-color:#fa9292;padding:2px;border-radius:3px;font-weight:bold}.text-container{display:flex;justify-content:space-between}.text-box{width:100%;border:1px solid #ddd;background-color:#f9f9f9;white-space:pre-wrap;word-wrap:break-word;text-align:left;padding:5px}.char-count{margin-top:10px;font-size:1.6rem;color:#555;font-weight:bold}#loading{position:fixed;top:50%;left:50%;transform:translate(-50%, -50%);background:rgba(255,255,255,0.8);padding:20px;text-align:center;z-index:999;border-radius:5px;box-shadow:0px 0px 10px rgba(0,0,0,0.1)}.spinner{border:4px solid rgba(0,0,0,0.1);width:36px;height:36px;border-radius:50%;border-left-color:#3498db;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}