:root{--primary-blue:#4a90e2;--accent-blue:#357abd;--bg-light-blue:#f0f7ff;--card-bg:#fff;--text-color:#444;--border-blue:#b3d4fc}body{background-color:var(--bg-light-blue);color:var(--text-color);-webkit-text-size-adjust:100%;margin:0;padding:40px 20px;font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif}h2{color:#333;align-items:center;margin:0 0 20px;font-size:21px;line-height:1.4;display:flex}@media screen and (width<=450px){h2{font-size:18px}}.ad-spacer{text-align:center;background:0 0;max-width:900px;min-height:100px;margin:40px auto;overflow:hidden}.ad-spacer:before{content:"スポンサーリンク";color:#bbb;margin-bottom:5px;font-size:10px;display:block}.main-wrapper{max-width:900px;margin:0 auto}.tool-header{align-items:center;gap:15px;margin-bottom:30px;padding-left:10px;display:flex}.tool-header h1{color:var(--primary-blue);letter-spacing:-.5px;margin:0;font-size:1.8rem}@media screen and (width<=450px){.tool-header h1{font-size:15px}}.card{background:var(--card-bg);border-radius:12px;margin-bottom:45px;padding:35px;position:relative;box-shadow:0 4px 15px #0000000d}.step-badge{background:var(--primary-blue);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;margin-right:12px;font-size:15px;display:inline-flex;position:static;transform:translateY(-1px)}.drop-zone{border:2px dashed var(--border-blue);text-align:center;background-color:#fafcfe;border-radius:8px;padding:50px;transition:background .3s}.drop-zone.dragover{background-color:#e1efff}.file-label{background:var(--primary-blue);color:#fff;cursor:pointer;box-shadow:0 4px 0 var(--accent-blue);border-radius:25px;margin-top:15px;padding:12px 30px;font-weight:700;display:inline-block}.file-label input{display:none}.settings-grid{flex-wrap:wrap;align-items:flex-end;gap:50px;margin-bottom:35px;display:flex}.input-group label{color:var(--primary-blue);margin-bottom:12px;font-size:.95rem;font-weight:700}.input-inline{align-items:center;gap:10px;display:flex}.input-inline input{border:1px solid #ced4da;border-radius:6px;width:100px;padding:10px;font-size:1rem}.quality-buttons{gap:8px;display:flex}.q-btn{border:1px solid var(--border-blue);color:var(--primary-blue);cursor:pointer;background:#fff;border-radius:6px;padding:10px 22px;font-size:.9rem}.q-btn.active{background:var(--primary-blue);color:#fff;border-color:var(--primary-blue)}.action-area{text-align:center;border-top:1px solid #eee;padding-top:30px}.button-group{flex-wrap:wrap;justify-content:center;gap:45px;display:flex}.exec-button{color:#fff;cursor:not-allowed;background:#dee2e6;border:none;border-radius:35px;min-width:280px;padding:15px 40px;font-size:1.1rem}.exec-button.ready{background:var(--primary-blue);cursor:pointer;box-shadow:0 4px 0 var(--accent-blue)}.button-note{color:#6c757d;text-align:center;margin-top:30px;font-size:.85rem;line-height:1.6}@media (width<=768px){.button-note{padding:0 15px;font-size:.8rem}}.file-list{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:20px;margin-top:20px;display:grid}.preview-item{border:1px solid var(--border-blue);text-align:center;background:#fff;border-radius:8px;flex-direction:column;align-items:center;padding:15px 10px 10px;font-size:.7rem;display:flex;position:relative}.preview-item img{object-fit:contain;width:100%;height:90px;margin-bottom:8px}.delete-btn{color:#fff;cursor:pointer;background:#ff5e5e;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:14px;display:flex;position:absolute;top:-10px;right:-10px;box-shadow:0 2px 4px #0003}.delete-btn:hover{background:#d94545}.content-section{margin-top:50px;line-height:1.8}.content-grid{grid-template-columns:1fr 1fr;gap:30px;margin-top:20px;display:grid}@media screen and (width<=450px){.content-grid{grid-template-columns:repeat(1,1fr)}}.info-box h3{color:var(--primary-blue);border-left:4px solid var(--primary-blue);margin-bottom:10px;padding-left:10px;font-size:1rem}.system-section{background:linear-gradient(#f0f7ff 0%,#fff 100%);padding:10px 0}@media screen and (width<=450px){.system-section{padding:1px 0}}.system_service_title{text-align:center;color:#333;margin-bottom:5px;font-size:1.5rem;font-weight:700}.system_service_title_en{text-align:center;color:#3b82f6;text-transform:uppercase;letter-spacing:.1em;margin-bottom:20px;font-size:.9rem}.system-gallery-grid{grid-template-columns:repeat(3,1fr);gap:30px;max-width:1200px;margin:50px auto 0;padding:0 20px;display:grid}@media screen and (width<=768px){.system-gallery-grid{grid-template-columns:1fr}}@media screen and (width<=450px){.system-gallery-grid{grid-template-columns:repeat(2,1fr);gap:15px;margin-top:45px;margin-bottom:80px;padding:0 10px}}.system-card{background:#fff;border-radius:4px;flex-direction:column;display:flex;overflow:hidden;box-shadow:0 2px 10px #00000014}.system-card-image img{aspect-ratio:16/9;object-fit:cover;width:100%;display:block}.system-card-content{flex-direction:column;flex-grow:1;padding:20px;display:flex}.system-card-title{margin-bottom:10px;font-size:1.1rem;font-weight:700;line-height:1.4}@media screen and (width<=450px){.system-card-title{font-size:13px}}.system-card-tags{color:#666;margin-bottom:20px;font-size:.85rem;font-weight:700}@media screen and (width<=450px){.system-card-tags{font-size:12px}}.system-card-footer{border-top:1px solid #eee;justify-content:space-between;align-items:center;margin-top:auto;padding-top:15px;display:flex}.system-detail-link{color:#0047ff;font-size:.9rem;font-weight:700;text-decoration:none}.system-favorite-btn{color:#ccc;cursor:pointer;background:0 0;border:none;font-size:1.2rem}.tool-footer{text-align:center;padding:40px 0;font-size:.8rem}.tool-footer a{color:var(--primary-blue);text-decoration:none}.copyright{grid-row:2/3;width:100%;margin-top:20px}.copyright_text{color:var(--text-gray-color);text-align:center;letter-spacing:.08em;margin-top:16px;padding-bottom:8px;font-size:12px;font-weight:500}