/* static/css/kosuapp/base.css */
html { font-size: 16px; }
body {
    margin: 0;
    background: #f7f8fb;
    color: #222;
    font-family: 'M PLUS 1p', 'Sawarabi Gothic', sans-serif;
    line-height: 1.7;
}
a { color: #1d4ed8; }
/* 本文幅は48rem固定。2カラム(入力左・結果右)にしない */
.kosu-main {
    max-width: 48rem;
    margin: 0 auto;
    padding: 3.5rem 1rem 2.5rem;   /* 固定ヘッダーナビ(#gnav)の分 */
    box-sizing: border-box;
}
.kosu-footer { text-align: center; padding: 1.5rem 1rem; color: #667; font-size: 0.875rem; }
.kosu-messages { list-style: none; margin: 1rem 0 0; padding: 0; }
.kosu-message { padding: 0.6rem 0.9rem; border-radius: 0.5rem; margin-bottom: 0.5rem; background: #eef2ff; }
.kosu-message-error { background: #fee2e2; color: #991b1b; }
.kosu-message-success { background: #dcfce7; color: #166534; }
h1 { font-size: 1.5rem; margin: 1.5rem 0 0.75rem; }
h2 { font-size: 1.2rem; margin: 0 0 0.75rem; }

[hidden] { display: none !important; }