@import"https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Noto+Sans+JP:wght@400;500;700&display=swap";:root{--color-bg: #0d1117;--color-bg-secondary: #161b22;--color-bg-tertiary: #21262d;--color-border: #30363d;--color-text: #c9d1d9;--color-text-muted: #8b949e;--color-accent: #58a6ff;--color-accent-hover: #79b8ff;--color-success: #3fb950;--color-warning: #d29922;--font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", monospace}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:2rem;min-height:100vh;display:flex;flex-direction:column}.header{text-align:center;margin-bottom:3rem;padding:2rem 0;border-bottom:1px solid var(--color-border)}.header h1{font-family:var(--font-mono);font-size:2.5rem;font-weight:600;background:linear-gradient(135deg,var(--color-accent),var(--color-success));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}.subtitle{color:var(--color-text-muted);font-size:1.1rem}.main{flex:1}.upload-section{display:flex;justify-content:center;margin-bottom:3rem}.file-input{display:none}.file-input-label{display:flex;align-items:center;gap:1rem;cursor:pointer}.file-input-button{display:inline-block;padding:.875rem 1.75rem;background:linear-gradient(135deg,var(--color-accent),#1f6feb);color:#fff;border-radius:8px;font-weight:500;font-size:1rem;transition:all .2s ease;box-shadow:0 4px 12px #58a6ff33}.file-input-button:hover{background:linear-gradient(135deg,var(--color-accent-hover),#388bfd);transform:translateY(-1px);box-shadow:0 6px 16px #58a6ff4d}.file-name{font-family:var(--font-mono);color:var(--color-text-muted);font-size:.9rem}.results-section h2{font-size:1.25rem;margin-bottom:1.5rem;color:var(--color-text)}.sheet-tabs{display:flex;gap:.5rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--color-border);overflow-x:auto}.sheet-tab{padding:.5rem 1rem;background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:6px;color:var(--color-text-muted);font-family:var(--font-mono);font-size:.85rem;cursor:pointer;transition:all .2s ease;white-space:nowrap}.sheet-tab:hover{background:var(--color-bg-tertiary);color:var(--color-text)}.sheet-tab.active{background:var(--color-accent);border-color:var(--color-accent);color:#fff}.no-blocks{color:var(--color-text-muted);text-align:center;padding:2rem;background:var(--color-bg-secondary);border-radius:8px}.blocks-list{display:flex;flex-direction:column;gap:2rem}.block-card{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:12px;padding:1.5rem;transition:all .2s ease}.block-card:hover{border-color:var(--color-accent);box-shadow:0 4px 20px #58a6ff1a}.block-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:1px solid var(--color-border)}.block-title{font-family:var(--font-sans);font-size:1.1rem;font-weight:600;color:var(--color-accent)}.block-range{font-family:var(--font-mono);font-size:.8rem;color:var(--color-text-muted);background:var(--color-bg-tertiary);padding:.25rem .5rem;border-radius:4px}.table-wrapper{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-family:var(--font-mono);font-size:.85rem}.data-table td{padding:.5rem .75rem;border:1px solid var(--color-border);white-space:nowrap}.data-table tr:first-child td{background:var(--color-bg-tertiary);font-weight:500;color:var(--color-text)}.data-table tr:not(:first-child) td{background:var(--color-bg)}.data-table tr:not(:first-child) td:first-child{color:var(--color-text)}.data-table tr:not(:first-child) td:not(:first-child){color:var(--color-text-muted);text-align:right}.data-table tr.title-row td{background:linear-gradient(135deg,#58a6ff1a,#3fb9501a);color:var(--color-accent);font-weight:600;font-size:.9rem}.footer{text-align:center;padding:2rem 0;margin-top:3rem;border-top:1px solid var(--color-border);color:var(--color-text-muted);font-size:.9rem}.footer a{color:var(--color-accent);text-decoration:none;font-family:var(--font-mono)}.footer a:hover{text-decoration:underline}