/* ==================================================
   ランキング一覧ページ
================================================== */

:root {
    --ranking-list-primary: #2563eb;
    --ranking-list-primary-dark: #1d4ed8;
    --ranking-list-primary-light: #eff6ff;

    --ranking-list-text: #172033;
    --ranking-list-subtext: #64748b;
    --ranking-list-border: #e2e8f0;
    --ranking-list-background: #f8fafc;
    --ranking-list-surface: #ffffff;

    --ranking-list-radius-large: 20px;
    --ranking-list-radius-medium: 14px;
    --ranking-list-radius-small: 9px;

    --ranking-list-shadow:
        0 8px 24px rgba(15, 23, 42, 0.07);

    --ranking-list-shadow-hover:
        0 18px 44px rgba(15, 23, 42, 0.14);
}


/* ==================================================
   ページ全体
================================================== */

.page-content {
    width: 100%;
    min-width: 0;
}


/* ==================================================
   ページ見出し
================================================== */

.ranking-header {
    position: relative;

    margin-bottom: 34px;
    padding: 34px 36px;

    overflow: hidden;

    background:
        linear-gradient(
            135deg,
            #eff6ff 0%,
            #ffffff 60%,
            #f8fafc 100%
        );

    border: 1px solid #dbeafe;
    border-radius: var(--ranking-list-radius-large);
}

.ranking-header::before {
    position: absolute;
    top: -85px;
    right: -60px;

    width: 210px;
    height: 210px;

    background:
        rgba(37, 99, 235, 0.07);

    border-radius: 50%;

    content: "";
}

.ranking-header::after {
    position: absolute;
    right: 80px;
    bottom: -75px;

    width: 150px;
    height: 150px;

    background:
        rgba(96, 165, 250, 0.06);

    border-radius: 50%;

    content: "";
}

.ranking-header-label {
    position: relative;
    z-index: 1;

    display: inline-flex;
    align-items: center;

    margin: 0 0 12px;
    padding: 6px 12px;

    background: #dbeafe;
    border-radius: 999px;

    color: var(--ranking-list-primary-dark);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.ranking-title {
    position: relative;
    z-index: 1;

    margin: 0 0 14px;

    color: var(--ranking-list-text);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: -0.025em;
}

.ranking-description {
    position: relative;
    z-index: 1;

    max-width: 760px;
    margin: 0 0 20px;

    color: #475569;
    font-size: 15px;
    line-height: 1.9;
}

.ranking-count,
.ranking-updated-at {
    position: relative;
    z-index: 1;

    display: inline-flex;
    align-items: center;

    margin: 0 18px 0 0;

    color: var(--ranking-list-subtext);
    font-size: 13px;
}

.ranking-count strong {
    margin-left: 4px;

    color: var(--ranking-list-text);
    font-weight: 750;
}


/* ==================================================
   ランキング選択セクション
================================================== */

.ranking-category-section {
    margin-bottom: 40px;
}

.ranking-category-title {
    position: relative;

    margin: 0 0 20px;
    padding-left: 15px;

    color: var(--ranking-list-text);
    font-size: 23px;
    font-weight: 800;
    line-height: 1.45;
}

.ranking-category-title::before {
    position: absolute;
    top: 0.18em;
    bottom: 0.18em;
    left: 0;

    width: 5px;

    background:
        linear-gradient(
            180deg,
            var(--ranking-list-primary),
            #60a5fa
        );

    border-radius: 999px;

    content: "";
}


/* ==================================================
   ランキング一覧
================================================== */

.ranking-category-list {
    display: grid;
    grid-template-columns:
        repeat(
            3,
            minmax(0, 1fr)
        );
    gap: 18px;
}

.ranking-category-card {
    min-width: 0;
}


/* ==================================================
   ランキングカード
================================================== */

.ranking-category-link {
    position: relative;

    display: flex;
    min-height: 100%;
    align-items: stretch;

    overflow: hidden;

    background:
        var(--ranking-list-surface);

    border: 1px solid var(--ranking-list-border);
    border-radius: var(--ranking-list-radius-large);

    box-shadow:
        0 3px 12px rgba(15, 23, 42, 0.04);

    color: inherit;
    text-decoration: none;

    transition:
        transform 0.22s ease,
        border-color 0.22s ease,
        box-shadow 0.22s ease;
}

.ranking-category-link::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;

    height: 4px;

    background:
        linear-gradient(
            90deg,
            var(--ranking-list-primary),
            #60a5fa
        );

    content: "";

    opacity: 0;

    transition:
        opacity 0.22s ease;
}

.ranking-category-link:hover {
    transform: translateY(-5px);

    border-color: #bfdbfe;

    box-shadow:
        var(--ranking-list-shadow-hover);
}

.ranking-category-link:hover::before {
    opacity: 1;
}


/* ==================================================
   カード内容
================================================== */

.ranking-category-content {
    display: flex;
    min-width: 0;
    flex: 1;
    flex-direction: column;

    padding: 25px 22px;
}

.ranking-category-label {
    align-self: flex-start;

    margin: 0 0 13px;
    padding: 5px 10px;

    background:
        var(--ranking-list-primary-light);

    border-radius: 999px;

    color: var(--ranking-list-primary-dark);
    font-size: 11px;
    font-weight: 750;
    letter-spacing: 0.04em;
}

.ranking-category-name {
    margin: 0 0 12px;

    color: var(--ranking-list-text);
    font-size: 20px;
    font-weight: 800;
    line-height: 1.5;
}

.ranking-category-description {
    margin: 0 0 18px;

    color: var(--ranking-list-subtext);
    font-size: 14px;
    line-height: 1.8;
}

.ranking-category-count {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px;

    margin: auto 0 18px;
    padding-top: 5px;

    color: var(--ranking-list-subtext);
    font-size: 13px;
}

.ranking-category-count strong {
    color: var(--ranking-list-text);
    font-size: 17px;
    font-weight: 800;
}


/* ==================================================
   カード内ボタン
================================================== */

.ranking-category-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: flex-start;

    min-height: 40px;
    padding: 9px 16px;

    background:
        linear-gradient(
            135deg,
            var(--ranking-list-primary),
            var(--ranking-list-primary-dark)
        );

    border-radius:
        var(--ranking-list-radius-small);

    box-shadow:
        0 5px 14px rgba(37, 99, 235, 0.22);

    color: #ffffff;
    font-size: 13px;
    font-weight: 700;

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.ranking-category-link:hover
.ranking-category-button {
    transform: translateX(3px);

    box-shadow:
        0 7px 18px rgba(37, 99, 235, 0.3);
}


/* ==================================================
   カード矢印
================================================== */

.ranking-category-arrow {
    display: flex;
    width: 48px;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;

    background:
        linear-gradient(
            180deg,
            #f8fafc,
            #eff6ff
        );

    border-left:
        1px solid var(--ranking-list-border);

    color: var(--ranking-list-primary);
    font-size: 24px;
    font-weight: 500;

    transition:
        width 0.22s ease,
        background-color 0.22s ease,
        color 0.22s ease;
}

.ranking-category-link:hover
.ranking-category-arrow {
    width: 54px;

    background:
        var(--ranking-list-primary);

    color: #ffffff;
}


/* ==================================================
   カードごとの差別化
================================================== */

.ranking-category-card:nth-child(1)
.ranking-category-label {
    background: #ede9fe;
    color: #6d28d9;
}

.ranking-category-card:nth-child(1)
.ranking-category-link::before {
    background:
        linear-gradient(
            90deg,
            #7c3aed,
            #a78bfa
        );
}

.ranking-category-card:nth-child(2)
.ranking-category-label {
    background: #fef2f2;
    color: #dc2626;
}

.ranking-category-card:nth-child(2)
.ranking-category-link::before {
    background:
        linear-gradient(
            90deg,
            #dc2626,
            #fb7185
        );
}

.ranking-category-card:nth-child(3)
.ranking-category-label {
    background: #ecfdf5;
    color: #047857;
}

.ranking-category-card:nth-child(3)
.ranking-category-link::before {
    background:
        linear-gradient(
            90deg,
            #059669,
            #34d399
        );
}


/* ==================================================
   ランキング説明
================================================== */

.ranking-guide {
    margin-top: 38px;
    padding: 28px 30px;

    background:
        var(--ranking-list-background);

    border: 1px solid var(--ranking-list-border);
    border-radius:
        var(--ranking-list-radius-large);
}

.ranking-guide-title {
    margin: 0 0 16px;

    color: var(--ranking-list-text);
    font-size: 20px;
    font-weight: 800;
}

.ranking-guide-content {
    color: var(--ranking-list-subtext);
    font-size: 14px;
    line-height: 1.9;
}

.ranking-guide-content p {
    margin: 0;
}

.ranking-guide-content p + p {
    margin-top: 10px;
}


/* ==================================================
   ランキングなし
================================================== */

.ranking-empty-section {
    margin-bottom: 40px;
}

.ranking-empty {
    padding: 70px 24px;

    background:
        var(--ranking-list-surface);

    border: 1px dashed #cbd5e1;
    border-radius:
        var(--ranking-list-radius-large);

    text-align: center;
}

.ranking-empty-title {
    margin: 0 0 12px;

    color: var(--ranking-list-text);
    font-size: 21px;
    font-weight: 800;
}

.ranking-empty-description {
    margin: 0 0 24px;

    color: var(--ranking-list-subtext);
    font-size: 14px;
    line-height: 1.8;
}

.ranking-empty-link {
    margin: 0;
}


/* ==================================================
   下部ナビゲーション
================================================== */

.ranking-bottom-navigation {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;

    margin-top: 36px;
}


/* ==================================================
   共通ボタン
================================================== */

.ranking-bottom-navigation .button,
.ranking-empty .button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;

    padding: 10px 20px;

    border: 1px solid transparent;
    border-radius:
        var(--ranking-list-radius-small);

    font-size: 14px;
    font-weight: 700;
    text-decoration: none;

    transition:
        transform 0.2s ease,
        background-color 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.ranking-bottom-navigation .button:hover,
.ranking-empty .button:hover {
    transform: translateY(-2px);
}

.ranking-bottom-navigation .button-primary,
.ranking-empty .button-primary {
    background:
        var(--ranking-list-primary);

    color: #ffffff;
}

.ranking-bottom-navigation .button-primary:hover,
.ranking-empty .button-primary:hover {
    background:
        var(--ranking-list-primary-dark);

    box-shadow:
        0 7px 18px rgba(37, 99, 235, 0.25);
}

.ranking-bottom-navigation .button-secondary {
    background: #ffffff;
    border-color:
        var(--ranking-list-border);

    color: #334155;
}

.ranking-bottom-navigation .button-secondary:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}


/* ==================================================
   タブレット
================================================== */

@media (max-width: 1000px) {

    .ranking-category-list {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

}


/* ==================================================
   スマートフォン
================================================== */

@media (max-width: 680px) {

    .ranking-header {
        margin-bottom: 26px;
        padding: 25px 20px;

        border-radius: 16px;
    }

    .ranking-title {
        font-size: 29px;
    }

    .ranking-description {
        font-size: 14px;
        line-height: 1.8;
    }

    .ranking-count,
    .ranking-updated-at {
        display: flex;
        margin: 7px 0 0;
    }

    .ranking-category-title {
        font-size: 21px;
    }

    .ranking-category-list {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .ranking-category-content {
        padding: 21px 18px;
    }

    .ranking-category-name {
        font-size: 19px;
    }

    .ranking-category-arrow {
        width: 43px;
    }

    .ranking-category-link:hover
    .ranking-category-arrow {
        width: 47px;
    }

    .ranking-guide {
        margin-top: 28px;
        padding: 23px 20px;

        border-radius: 16px;
    }

    .ranking-bottom-navigation {
        flex-direction: column;
        margin-top: 28px;
    }

    .ranking-bottom-navigation .button {
        width: 100%;
    }

}


/* ==================================================
   小さいスマートフォン
================================================== */

@media (max-width: 420px) {

    .ranking-header {
        padding: 22px 17px;
    }

    .ranking-title {
        font-size: 26px;
    }

    .ranking-category-link {
        border-radius: 15px;
    }

    .ranking-category-content {
        padding: 19px 15px;
    }

    .ranking-category-arrow {
        width: 38px;
        font-size: 20px;
    }

    .ranking-category-link:hover
    .ranking-category-arrow {
        width: 42px;
    }

}