body {
    margin: 0;
    padding: 0;
    background: #f3f3f3;
    font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

.mahjong-page {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

.page-title {
    text-align: center;
    font-size: 28px;
    margin-bottom: 24px;
    color: #222;
}

.mahjong-board {
    background: #1f7a4c;
    border-radius: 16px;
    padding: 24px 16px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
    overflow-x: auto;
}

.mahjong-hand {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: flex-end;
    gap: 8px;
    min-height: 180px;
}

.tile {
    flex: 0 0 auto;
    width: 78px;
    user-select: none;
}

.tile img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 6px;
}

.action-area {
    text-align: center;
    margin-top: 24px;
}

.reload-btn {
    appearance: none;
    border: none;
    background: #222;
    color: #fff;
    font-size: 16px;
    padding: 12px 24px;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.2s ease;
}

.reload-btn:hover {
    opacity: 0.9;
}

.reload-btn:active {
    transform: translateY(1px);
}

.tile:last-child {
    margin-left: 28px;
}

.tile.tsumo {
    margin-left: 56px;
}

@media (max-width: 768px) {
    .page-title {
        font-size: 22px;
    }

    .mahjong-board {
        padding: 16px 10px;
    }

    .mahjong-hand {
        min-height: auto;
        gap: 0px;              /* 間隔をかなり詰める */
        justify-content: flex-start;
    }

    .tile {
        width: calc(100% / 14);  /* 14枚を強制的に収める */
        max-width: 28px;         /* 上限 */
    }

    .tile.tsumo {
        margin-left: 28px;
    }
}

/* デフォルト（PC） */
.mahjong-hand {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 6px;
}

.tile {
    width: 70px;
}

.mahjong-content {
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 15px;
}

.mahjong-content .wp-block-group {
    background: #ffffff;
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

.mahjong-content h2 {
    font-size: 1.6rem;
    color: #1f7a4c;
    margin-bottom: 16px;
    border-bottom: 3px solid #dcefe3;
    padding-bottom: 8px;
}

.mahjong-content ul {
    margin: 0;
    padding-left: 20px;
}

.mahjong-content li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.mahjong-content table {
    width: 100%;
    border-collapse: collapse;
}

.mahjong-content th,
.mahjong-content td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: center;
}

.mahjong-content th {
    background: #f4f9f5;
}

@media (max-width: 768px) {
    .mahjong-content .wp-block-group {
        padding: 18px;
    }

    .mahjong-content h2 {
        font-size: 1.3rem;
    }
}

.floating-tel-btn {
    position: fixed;
    right: 16px;
    bottom: 20px;
    z-index: 9999;

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

    padding: 14px 20px;
    border-radius: 999px;

    background: #1f7a4c;
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;

    box-shadow: 0 6px 18px rgba(0,0,0,0.25);
    transition: 0.2s ease;
}

.floating-tel-btn:hover {
    transform: scale(1.05);
    color: #fff;
}

/* PCでは非表示 */
@media (min-width: 769px) {
    .floating-tel-btn {
        display: none;
    }
}