/* 会員（ログイン・登録・会員のページ） */
.mb-wrap { padding-bottom: 64px; }
.mb-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px; }
@media (max-width: 860px) { .mb-two { grid-template-columns: minmax(0, 1fr); } }
.mb-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 24px; margin-bottom: 16px; }
.mb-two .mb-card { margin-bottom: 0; }
.mb-sub { background: var(--paper-2); }
.mb-h { font-size: 19px; margin: 0 0 10px; }
.mb-h + * { margin-top: 0; }
.mb-card .mb-h:not(:first-child) { margin-top: 20px; }
.mb-p { font-size: 16px; line-height: 1.8; color: var(--ink); }
.mb-small { font-size: 14px; color: var(--ink-3); margin: 16px 0 0; }
.mb-note { font-size: 15px; color: var(--ink-2); }
.mb-list { margin: 0; padding-left: 1.2em; display: grid; gap: 8px; font-size: 15px; line-height: 1.75; }
.mb-btns { display: grid; gap: 12px; justify-items: start; margin: 16px 0 4px; }
.mb-apple { display: inline-flex; align-items: center; justify-content: center; gap: 10px; width: 300px; max-width: 100%; min-height: 44px; border-radius: 999px; background: #000; color: #fff; font-weight: 600; font-size: 16px; text-decoration: none; }
.mb-apple:hover { color: #fff; background: #1F1C19; }
.mb-apple svg { width: 18px; height: 18px; }
.mb-form { display: grid; gap: 22px; max-width: 640px; }
.mb-f { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; }
.mb-f legend, .mb-lb { font-weight: 700; font-size: 16px; padding: 0; margin-bottom: 8px; }
.mb-lb small { display: block; font-weight: 400; font-size: 14px; color: var(--ink-3); }
.mb-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 10px; }
.mb-row .select, .mb-f .select { width: 100%; }
@media (max-width: 480px) { .mb-row { grid-template-columns: minmax(0, 1fr); } }
.mb-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.mb-opts.col { flex-direction: column; }
.mb-opt { position: relative; }
.mb-opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.mb-opt span { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border-radius: 999px; border: 1.5px solid var(--line-2); font-size: 15px; background: #fff; }
.mb-opts.col .mb-opt span { border-radius: 12px; width: 100%; }
.mb-opt input:checked + span { background: var(--ink); border-color: var(--ink); color: #fff; }
.mb-opt input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: 2px; }
.mb-check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; line-height: 1.7; cursor: pointer; }
.mb-check input { width: 22px; height: 22px; margin-top: 2px; flex: none; accent-color: var(--accent); }
.mb-err { color: #A11A1A; font-size: 14px; font-weight: 700; margin: 4px 0 0; }
.mb-err-sum { background: #FCEBEA; color: #7A1414; border-radius: 12px; padding: 12px 16px; font-weight: 700; }
.mb-ok { background: var(--accent-soft); border-radius: 12px; padding: 12px 16px; font-weight: 700; }
.mb-dl { margin: 0 0 16px; display: grid; gap: 0; }
.mb-dl div { display: grid; grid-template-columns: 9em minmax(0, 1fr); gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.mb-dl dt { font-weight: 700; color: var(--ink-2); font-size: 15px; }
.mb-dl dd { margin: 0; }
@media (max-width: 480px) { .mb-dl div { grid-template-columns: minmax(0, 1fr); gap: 2px; } }
.mb-notices { list-style: none; margin: 0; padding: 0; }
.mb-notices li { padding: 10px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 5.5em minmax(0, 1fr); gap: 8px; }
.mb-notices li.new { font-weight: 700; }
.btn.danger { color: #A11A1A; box-shadow: inset 0 0 0 1.5px #E3B4B0; }
.gn-member { display: inline-flex; align-items: center; gap: 6px; }