/* 2026-10-16 共通幅修正 */
html{overflow-x:hidden}
body{max-width:1200px;margin:0 auto;padding:16px 20px;box-sizing:border-box;overflow-x:hidden}
.container,.main-box,.tool-card,.kako-container{max-width:100%;min-width:0;overflow-wrap:anywhere;box-sizing:border-box}