:root{--primary: #0065FF;--primary-hover: #0052CC;--primary-tint: #E6F0FF;--page-bg: #FFFFFF;--surface-subtle: #FAFBFC;--text-primary: #1A2B4A;--text-secondary: #556270;--text-tertiary: #647184;--border: #EDF0F4;--border-strong: #D5DBE5;--shadow-lg: 0 12px 32px rgba(20, 30, 50, .08)}*{box-sizing:border-box;margin:0;padding:0}html,body{font-family:Inter,Noto Sans JP,-apple-system,sans-serif;background:var(--page-bg);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;font-feature-settings:"palt"}button{font-family:inherit}.header{padding:24px 32px;border-bottom:1px solid var(--border)}.header-inner{max-width:880px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.offline-banner{padding:10px 32px;background:#fff8e6;border-bottom:1px solid 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