@charset "UTF-8";:root{--content-width: 1020px;--color-bg: #f5f8fb;--color-surface: #ffffff;--color-surface-alt: #edf2f7;--color-surface-translucent: rgba(245, 248, 251, .85);--color-border: #dce5ee;--color-rule: #17222e;--color-text: #17222e;--color-text-muted: #617080;--color-text-faint: #8a99a9;--color-accent: #2160a6;--color-accent-hover: #174a82;--color-accent-soft: #e3ecf6;--color-on-accent: #ffffff;--shadow-card: 0 1px 2px rgba(23, 34, 46, .05), 0 6px 24px rgba(23, 34, 46, .06);color-scheme:light}[data-theme=dark]{--color-bg: #0d141c;--color-surface: #131c26;--color-surface-alt: #1a2532;--color-surface-translucent: rgba(13, 20, 28, .82);--color-border: #24313f;--color-rule: #e8eef5;--color-text: #e8eef5;--color-text-muted: #93a2b3;--color-text-faint: #6c7b8c;--color-accent: #6aa1dd;--color-accent-hover: #8bb8ea;--color-accent-soft: #16283c;--color-on-accent: #0d141c;--shadow-card: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 24px rgba(0, 0, 0, .35);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--color-bg);color:var(--color-text);font-family:Instrument Sans,-apple-system,Segoe UI,Helvetica Neue,Arial,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased;transition:background .2s ease,color .2s ease}h1,h2,h3,h4{line-height:1.2;margin:0 0 .5rem;letter-spacing:-.01em}p{margin:0 0 .75rem;color:var(--color-text)}a{color:var(--color-accent)}a:hover{color:var(--color-accent-hover)}ul,ol{margin:0;padding:0;list-style:none}.container{max-width:var(--content-width);margin:0 auto;padding:0 1.5rem}.section{padding:3rem 1.5rem}.section__title{font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.18em;color:var(--color-accent);margin-bottom:1.5rem}.tag{display:inline-block;font-size:.75rem;font-weight:600;padding:.2rem .6rem;border-radius:999px;background:var(--color-accent-soft);color:var(--color-accent)}.plain-list li{display:flex;flex-direction:column;gap:.15rem;padding:.75rem 0;border-bottom:1px solid var(--color-border)}.plain-list li span{color:var(--color-text-muted);font-size:.9rem}.plain-list li:last-child{border-bottom:none}.plain-list li .plain-list__detail{font-size:.82rem;font-style:italic;opacity:.85}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:3rem}@media(max-width:720px){.two-col{grid-template-columns:1fr;gap:2rem}}@media(max-width:720px){.section{padding:2rem 1.25rem}}.button{display:inline-flex;align-items:center;gap:.4rem;padding:.72rem 1.35rem;border-radius:10px;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);font-weight:600;font-size:.9rem;text-decoration:none;cursor:pointer;transition:transform .1s ease,box-shadow .15s ease,background .15s ease}.button:hover{box-shadow:var(--shadow-card);color:var(--color-text)}.button--primary{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-on-accent)}.button--primary:hover{background:var(--color-accent-hover);border-color:var(--color-accent-hover);color:var(--color-on-accent)}