:root{--navy:#1a293e;--blue:#3a5cd9;--blue-hover:#2f4cba;--blue-soft:#e6edfc;--line:#e0e4ea;--ink:#33434c;--bg:#f5f7fb;--white:#ffffff;--hero-a:#0d1626;--hero-b:#1a293e;--hero-c:#22345a;--hero-glow:#3a5cd9;--font-jp:"Hiragino Sans","Yu Gothic UI","Meiryo",sans-serif;--font-en:"Inter","Helvetica Neue",Arial,sans-serif;--sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-6:48px;--sp-8:64px;--sp-12:96px;--radius:8px;--radius-sm:4px;--shadow-card:0 1px 2px rgba(26,41,62,.06),0 4px 16px rgba(26,41,62,.06);}