:root{--sumi:#333;--hai:#666;--gin:#999;--shiro:#f7f7f7;--kinu:#fff;--sen:#ddd;--season-bg-start:#f6f8fa;--season-bg-end:#edf1f5;--season-card:rgba(252,254,255,.92);--season-card-hover:rgba(246,248,250,.98);--season-accent:#4a6085;--season-accent-hover:#3a4e70;--season-accent-light:#c8d4e4;--season-text:#3a4252;--season-text-light:#5a6878;--season-border:rgba(74,96,133,.15);--season-shadow:rgba(74,96,133,.08);--season-header:rgba(246,248,250,.95);--season-link:#3e5575;--season-subtle:#d0d8e2}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scrollbar-width:none}html::-webkit-scrollbar{display:none}body{font-family:Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;font-size:14px;line-height:1.7;color:var(--season-text);background:linear-gradient(180deg,var(--season-bg-start) 0,var(--season-bg-end) 100%);background-attachment:fixed;min-height:100vh;transition:all .5s ease}a{color:inherit;text-decoration:none}@media (max-width:768px){body{font-size:13px}}