/* =====================================
   Operation Flow
===================================== */

#flow {

    background:
    linear-gradient(
    180deg,
    #F7F9FC,
    #FFFFFF
    );
}

/* =========================
   Diagram
========================= */

.flow-diagram {

    display: flex;

    align-items: center;

    justify-content: center;

    margin-top: 70px;

    flex-wrap: wrap;

    gap: 15px;
}

/* =========================
   Card
========================= */

.flow-card {

    flex: 1;
    min-width: 0;
    max-width: 240px;

    background: #fff;

    border-radius: 24px;

    padding: 28px 22px;

    text-align: center;

    box-shadow:
    0 15px 40px rgba(0,0,0,.08);

    transition: .3s;
}

.flow-card:hover {

    transform:
    translateY(-10px);
}

.flow-number {

    display: inline-block;

    background: var(--primary);

    color: #fff;

    padding: 8px 18px;

    border-radius: 50px;

    font-size: 14px;

    font-weight: 700;

    margin-bottom: 20px;
}

/* =========================
   Icon
========================= */

.flow-icon {

    width: 90px;

    height: 90px;

    margin: auto;

    margin-bottom: 20px;
}

.flow-icon img {

    width: 100%;

    height: auto;
}

/* =========================
   Text
========================= */

.flow-card h3 {

    color: var(--primary);

    font-size: 24px;

    margin-bottom: 15px;
}

.flow-card p {

    color: #555;

    line-height: 1.8;
}

/* =========================
   Arrow
========================= */

.flow-arrow {

    font-size: 40px;

    color: var(--accent);

    font-weight: bold;
}

/* =========================
   Final Step
========================= */

.highlight {

    border:
    3px solid var(--accent);

    position: relative;
}

.highlight::before {

    content: "重要";

    position: absolute;

    top: -15px;
    right: 20px;

    background: var(--accent);

    color: #fff;

    padding: 6px 12px;

    border-radius: 30px;

    font-size: 12px;

    font-weight: bold;
}

/* =========================
   Summary
========================= */

.flow-summary {

    margin-top: 80px;

    text-align: center;

    background:
    linear-gradient(
    135deg,
    #0F2744,
    #17385F
    );

    padding: 60px;

    border-radius: 25px;

    color: #fff;
}

.flow-summary h3 {

    font-size: 36px;

    margin-bottom: 20px;
}

.flow-summary p {

    font-size: 24px;

    color: var(--accent);

    font-weight: bold;

    margin-bottom: 15px;
}

.flow-summary span {

    font-size: 18px;

    opacity: .95;
}

/* =========================
   Mobile
========================= */

@media screen and (max-width:768px){

    .flow-diagram{

        flex-direction: column;
        align-items: center;
    }

    .flow-arrow{

        transform: rotate(90deg);
    }

    .flow-card{

        width:100%;
        max-width:320px;
        flex: none;
    }

    .flow-summary{

        padding:40px 25px;
    }

    .flow-summary h3{

        font-size:28px;
    }

    .flow-summary p{

        font-size:20px;
    }

}