html, body{
    height:100%;
    margin:0;
    padding:0;
}

body{
    min-height:100vh;
    display:flex;
    flex-direction:column;
    font-family:Arial, Helvetica, sans-serif;
}

main{
    flex:1;
}


footer{
    margin-top:auto;
}

@media (max-width:768px){

   
    h1{
        font-size:1.6rem;
    }

    h2{
        font-size:1.3rem;
    }

}



/* ===== HEADER ===== */

.kofa-header{

    background:#fff;

    border-bottom:4px solid #2E7D32;

    box-shadow:0 2px 8px rgba(0,0,0,.08);

    padding:10px 0;

}

.kofa-brand{

    display:flex;

    align-items:center;

    gap:15px;

}

.kofa-logo{

    width:60px;

    height:60px;

    object-fit:contain;

    flex-shrink:0;

}

.kofa-text{

    flex:1;

}

.kofa-title-ta{

    color:#1B5E20;

    font-weight:700;

    font-size:clamp(15px,2.2vw,30px);

    line-height:1.2;

}

.kofa-title-en{

    color:#666;

    font-weight:600;

    font-size:clamp(9px,1.2vw,16px);

    margin-top:3px;

    letter-spacing:.4px;

}

/* Mobile */

@media (max-width:768px){

    .kofa-header{

        padding:8px 0;

    }

    .kofa-brand{

        gap:10px;

    }

    .kofa-logo{

        width:42px;

        height:42px;

    }

    .kofa-title-ta{

        font-size:15px;

        line-height:1.15;

    }

    .kofa-title-en{

        font-size:9px;

    }

}