/* ==============================
   ルールブック / ログイン概要
============================== */

.rulebook-page,
.login-page {
    max-width: 980px;
}

.rulebook-hero,
.login-intro-card,
.login-form-card,
.rulebook-section-card,
.rulebook-card-link {
    margin-bottom: 16px;
    padding: 18px;
    border: 1px solid #ddd;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.94);
}

.rulebook-hero__eyebrow,
.login-intro-card__eyebrow {
    margin: 0 0 4px;
    color: #666;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.rulebook-hero__title,
.login-intro-card__title,
.login-form-card__title {
    margin: 0 0 10px;
}

.rulebook-hero__text,
.login-intro-card__text {
    margin: 0 0 10px;
}

.rulebook-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.rulebook-nav__item {
    display: inline-block;
    padding: 7px 12px;
    border: 1px solid #bbb;
    border-radius: 999px;
    background: #fff;
    color: #222;
    font-weight: bold;
}

.rulebook-nav__item:hover,
.rulebook-nav__item.is-active {
    background: #20242a;
    color: #fff;
    text-decoration: none;
}

.rulebook-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.rulebook-card-link {
    display: block;
    color: #222;
}

.rulebook-card-link:hover {
    border-color: #999;
    background: #fafafa;
    text-decoration: none;
}

.rulebook-card-link__title {
    display: block;
    margin-bottom: 6px;
    font-size: 17px;
    font-weight: bold;
}

.rulebook-card-link__text {
    display: block;
    color: #555;
}

.rulebook-section-card h2:first-child,
.rulebook-section-card h3:first-child {
    margin-top: 0;
}

.rulebook-section-card ul {
    margin-top: 8px;
    padding-left: 1.4em;
}

.rulebook-definition-list {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 8px 12px;
    margin: 12px 0 0;
}

.rulebook-definition-list dt {
    font-weight: bold;
}

.rulebook-definition-list dd {
    margin: 0;
}

.login-intro-card__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.login-form-card__signup-link {
    margin-bottom: 0;
}

@media (max-width: 700px) {
    .rulebook-card-grid {
        grid-template-columns: 1fr;
    }

    .rulebook-definition-list {
        grid-template-columns: 1fr;
    }
}

/* ==============================
   ページ幅統一：ルールブック / ログイン概要
============================== */

/*
   ルールブック系ページを中央フレーム内いっぱいに広げる。
   以前の max-width: 980px により、他ページより少し狭く見えていたため。
*/
.rulebook-page,
.login-page {
    width: 100%;
    max-width: none;
    margin: 0;
}

/* ==============================
   ログインフォーム調整
============================== */

/* 無効化されたボタン風表示。新規登録停止中の案内に使う。 */
.button-link--disabled {
    opacity: 0.65;
    cursor: not-allowed;
    pointer-events: none;
}

/* ログイン欄全体を中央寄せにする。 */
.login-form-card__form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

/* ENo欄とパスワード欄を横一列に並べる。 */
.login-form-card__fields {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 10px 18px;
    width: 100%;
}

/* form.as_p が出力する p 要素を横並び用に整える。 */
.login-form-card__fields p {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
}

.login-form-card__fields label {
    margin: 0;
    white-space: nowrap;
    font-weight: bold;
}

/* ログイン画面内の入力欄だけ幅を抑える。 */
.login-form-card__fields input[type="text"],
.login-form-card__fields input[type="password"],
.login-form-card__fields input[type="number"] {
    width: 180px;
    max-width: 180px;
}

.login-form-card__submit {
    align-self: center;
}

@media (max-width: 700px) {
    .login-form-card__fields {
        flex-direction: column;
        align-items: stretch;
    }

    .login-form-card__fields p {
        justify-content: center;
    }
}


/* ==============================
   キャラ登録画面
============================== */

.signup-page {
    width: 100%;
}

.signup-intro-card {
    box-sizing: border-box;
}

.signup-form-card__form {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
}

.signup-form-card__fields {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.signup-form-card__fields p {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    align-items: start;
    gap: 6px 14px;
    margin: 0;
}

.signup-form-card__fields label {
    padding-top: 7px;
    font-weight: bold;
}

.signup-form-card__fields input {
    box-sizing: border-box;
    width: 100%;
    max-width: 420px;
}

.signup-form-card__fields .helptext {
    grid-column: 2;
    color: #666;
    font-size: 13px;
    line-height: 1.5;
}

.signup-form-card__fields ul.errorlist,
.signup-form-card__fields .errorlist {
    grid-column: 2;
    margin: 0;
    padding-left: 1.2em;
    color: #b00020;
    font-weight: bold;
}

.signup-form-card__submit {
    align-self: flex-start;
    border-color: #333;
    background: #333;
    color: #fff;
}

.signup-form-card__submit:hover {
    background: #555;
}

.signup-form-card__closed-notice {
    margin: 0;
}

@media (max-width: 700px) {
    .signup-form-card__fields p {
        display: block;
    }

    .signup-form-card__fields label {
        display: block;
        padding-top: 0;
        margin-bottom: 4px;
    }

    .signup-form-card__fields .helptext,
    .signup-form-card__fields ul.errorlist,
    .signup-form-card__fields .errorlist {
        margin-top: 4px;
    }

    .signup-form-card__submit {
        align-self: stretch;
    }
}