/* ==========================================================
   予約管理システム紹介 / 導入実績 セクション
   ========================================================== */

#reservation-system {
    position: relative;
    isolation: isolate;
    margin: 60px 0;
    padding: 56px 0;
}

/* 画面の左右いっぱいに広がる背景帯(フッターと同じ色) */
#reservation-system::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 100vw;
    transform: translateX(-50%);
    background: var(--band-bg);
    z-index: -1;
}

.reservation-lead {
    color: var(--text);
    line-height: 1.9;
    margin: 0.5em 0 1em;
}

.section-header h3 {
    margin: 0;
    font-size: 1.3rem;
}

/* --- 連携構成(LP・Instagram・LINE・管理画面 / 均等4ブロック) --- */
.connect-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin: 24px 0 14px;
}

.connect-node {
    --node-color: var(--brand);
    padding: 26px 22px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
    box-shadow: var(--shadow-card);
    text-align: center;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.connect-node:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.connect-node:nth-child(2) { --node-color: #c13584; }
.connect-node:nth-child(3) { --node-color: #06c755; }
.connect-node:nth-child(4) { --node-color: var(--orange); }

.flow-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 14px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--node-color) 14%, #fff);
    color: var(--node-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

.flow-icon .fa-line { color: #06c755; }
.flow-icon .fa-instagram { color: #c13584; }

.connect-node h3 {
    font-size: 1.1rem;
    margin: 0 0 8px;
    color: var(--navy);
}

.connect-node p {
    font-size: 0.93rem;
    color: var(--text-soft);
    line-height: 1.75;
    margin: 0;
}

.reservation-note {
    display: inline-block;
    text-align: center;
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--navy);
    background: #fff;
    border: 1px solid var(--line);
    padding: 10px 22px;
    border-radius: 24px;
    margin-top: 10px;
}

/* --- 導入実績カード(予約管理システムセクション内のサブブロック) --- */
.achievements-block {
    margin-top: 44px;
    padding-top: 32px;
    border-top: 2px dashed rgba(11, 111, 179, 0.28);
}

.achievements-lead {
    color: var(--text);
    line-height: 1.8;
    margin: 0.5em 0 1.5em;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 22px;
    margin: 20px 0 10px;
}

.achievement-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-card);
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.2s ease-in-out, transform 0.2s ease-in-out;
}

.achievement-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.achievement-thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--sky-100);
}

.achievement-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.achievement-body {
    padding: 18px 20px 22px;
}

.achievement-body h4 {
    margin: 0 0 8px;
    font-size: 1.1rem;
    color: var(--navy);
}

.achievement-body p {
    margin: 0 0 12px;
    font-size: 0.9rem;
    color: var(--text-soft);
    line-height: 1.7;
}

.achievement-link {
    font-size: 0.88rem;
    color: var(--brand-deep);
    font-weight: 700;
}

.achievement-link i {
    font-size: 0.75rem;
    margin-left: 2px;
}

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