/* お役立ち資料（/resources/） */
.ebook-filter{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 28px}
.ebook-filter button{appearance:none;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 16px;border-radius:999px;font:600 13px/1 inherit;font-family:inherit;cursor:pointer}
.ebook-filter button[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:#fff}
.ebook-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:72px}
.ebook{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 16px 20px;box-shadow:0 10px 24px #17345b0a}
.ebook[hidden]{display:none}
.ebook .cover{aspect-ratio:16/9;border-radius:8px;overflow:hidden;border:1px solid #e0e7f1;background:var(--pale)}
.ebook .cover img{display:block;width:100%;height:100%;object-fit:cover}
.ebook .meta{display:flex;gap:10px;align-items:center;font-size:11px;color:var(--muted);margin:14px 0 6px}
.ebook .meta span{color:var(--blue);font-weight:700;background:#eef3fe;border-radius:999px;padding:3px 9px}
.ebook h2{font-size:17px;line-height:1.5;letter-spacing:-.01em}
.ebook p{font-size:13px;line-height:1.75;margin-top:6px}
.ebook .btn{margin-top:auto;align-self:flex-start;gap:8px}
.ebook h2+p{margin-bottom:16px}
.lead-dialog{border:0;border-radius:14px;padding:0;width:min(440px,calc(100vw - 32px));box-shadow:0 30px 80px #0f1f3d40}
.lead-dialog::backdrop{background:#0f1f3d80}
.lead-dialog .lead-box{padding:28px}
.lead-dialog h2{font-size:19px;line-height:1.5;margin:4px 0 6px}
.lead-dialog p{font-size:13px}
.lead-dialog label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:12px 0 5px}
.lead-dialog input{width:100%;box-sizing:border-box;border:1px solid #cbd6e6;border-radius:7px;padding:11px 12px;font:15px inherit;font-family:inherit}
.lead-dialog input:focus{outline:2px solid #185bea55;border-color:var(--blue)}
.lead-dialog .btn{width:100%;justify-content:center;margin-top:18px}
.lead-dialog small{display:block;font-size:11px;color:var(--muted);margin-top:12px;line-height:1.7}
.lead-dialog small a,.lead-dialog .small{color:var(--muted);text-decoration:underline}
.lead-dialog .small{text-decoration:none;font-size:12px;margin-top:12px}
.lead-dialog .dialog-close{position:absolute;right:10px;top:8px}
.lead-dialog .dialog-close button{appearance:none;border:0;background:none;font-size:24px;line-height:1;color:var(--muted);cursor:pointer;padding:6px}
.form-error{color:#c2410c;font-size:12.5px;margin-top:10px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
@media(max-width:1000px){.ebook-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.ebook-grid{grid-template-columns:1fr}}