body {
    margin: 0;
    background-color: #5D616D;
}

.wrap {
    position: relative;
    margin: 0 auto;
    max-width: 640px;
    box-shadow: -8px 0 20px rgba(0, 0, 0, 0.15), 20px 0 20px rgba(0, 0, 0, 0.15), 0 -20px 20px rgba(0, 0, 0, 0.15), 0 20px 20px rgba(0, 0, 0, 0.15);
}

.w-100 {
    display: block;
    width: 100%;
}

.video-container {
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background-color: #ffffff;
    text-align: center;
}

video {
    width: 100%;
}

.instructions {
    cursor: pointer;
}

.menu {
    position: relative;
}
.menu_a {
    position: absolute;
    width: 33.3%;
    height: 100%;
    left: 0;
    top: 0;
}
.menu_b {
    position: absolute;
    width: 33.3%;
    height: 100%;
    left: 33.3%;
    top: 0;
}
.menu_c {
    position: absolute;
    width: 33.3%;
    height: 100%;
    left: 66.6%;
    top: 0;
}

.a_block {
    display: block;
}
.b_block {
    display: none;
}
.c_block {
    display: none;
}

.coupon {
    position: relative;
}
.coupon .coupon_a {
    position: absolute;
    width: 79%;
    left: 10.5%;
    top: 0;
}
.coupon .coupon_b {
    position: absolute;
    width: 78%;
    left: 10.5%;
    top: 71%;
}

.bottom_bg .coupon_pc {
    opacity: 0;
    display: block;
    width: 100%;
}
.bottom_bg .coupon_sp {
    opacity: 0;
    display: none;
    width: 100%;
}
@media (max-width: 640px) {
    .bottom_bg .coupon_pc {
        display: none;
    }
    .bottom_bg .coupon_sp {
        display: block;
    }
}

.footer {
    margin: 0 auto;
    padding: 15px;
    max-width: 640px;
    background-color: #3f3f3d;
}
.footer p {
    font-size: 14px;
    font-family: arial,"Microsoft JhengHei","微軟正黑體",sans-serif ;
    margin: 0;
    color: #ffffff;
    text-align: center;
}
.footer a {
    text-decoration: none;
    color: #ffffff;
}
@media (max-width: 640px) {
    .footer p {
        font-size: 2.4vw;
    }
}


.pdf_block {
    z-index: 2;
    display: none;
    background-color: #ffffffee;
    position: fixed;
    top: 0;
    left: 50%;
    transform: translate(-50%,0%);
    width: 100%;
    height: 100%;
    max-width: 640px;
    overflow-y: scroll;
}
.pdf_block .pdf_padding {
    padding: 70px 60px 40px 60px;
}
.pdf_block .close {
    cursor: pointer;
    position: absolute;
    top: 25px;
    right: 40px;
    width: 30px;
}
.pdf_block .main_txt {
    text-align: center;
    font-weight: 500;
    font-size: 16px;
    font-family: arial,"Microsoft JhengHei","微軟正黑體",sans-serif ;
    line-height: 1.5;
    letter-spacing: 0.1em;
    margin-bottom: 25px;
}
.pdf_block .download {
    display: flex;
    justify-content: space-between;
    align-items: end;
    margin: 25px 0;
}
.pdf_block .download ul {
    margin: 0;
    padding-left: 20px;
}
.pdf_block .download p,.pdf_block .download li {
    font-size: 16px;
    font-family: arial,"Microsoft JhengHei","微軟正黑體",sans-serif ;
    letter-spacing: 0.05em;
    color: #292929;
    margin: 0;
}
.pdf_block .download li {
    list-style: square;
}
.pdf_block .download li::marker {
    font-size: 18px;
    font-family: arial,"Microsoft JhengHei","微軟正黑體",sans-serif ;
}
.pdf_block .download img {
    width: 100%;
    display: block;
}
.pdf_block .download .download_img {
    text-decoration: none;
    cursor: pointer;
    width: 170px;
}
.pdf_block .pdf {
    width: 100%;
    border: 1px solid #000000;
}
.pdf_block .pdf img {
    width: 100%;
}
@media (max-width: 640px) {
    .pdf_block .pdf_padding {
        padding: 10% 7.5% 4.5% 7.5%;
    }
    .pdf_block .close {
        top: 4%;
        right: 5%;
        width: 4.5%;
    }
    .pdf_block .main_txt {
        font-size: 2.7vw;
        margin-bottom: 4%;
    }
    .pdf_block .download {
        margin: 4% 0;
    }
    .pdf_block .download ul {
        padding-left: 8%;
    }
    .pdf_block .download p,.pdf_block .download li {
        font-size: 2.7vw;
    }
    .pdf_block .download li::marker {
        font-size: 2.7vw;
    }
    .pdf_block .download .download_img {
        width: 32%;
    }
}

.img_btn {
    cursor: pointer;
}
.img_big {
    z-index: 2;
    display: none;
    background-color: #ffffffee;
    position: fixed;
    top: 0;
    left: 50%;
    transform: translate(-50%,0%);
    width: 100%;
    height: 100%;
    max-width: 640px;
    overflow-y: scroll;
}
.img_big .coupon_padding {
    padding: 30px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.img_big .close {
    cursor: pointer;
    position: absolute;
    top: 25px;
    right: 40px;
    width: 30px;
}
.img_big img {
    width: 100%;
    display: block;
}
.img_big .coupon_a {
    width: 90%;
}
.img_big .coupon_b {
    width: 75%;
}
@media (max-width: 640px) {
    .img_big .close {
        top: 4%;
        right: 5%;
        width: 4.5%;
    }
    .img_big .coupon_padding {
        padding: 15% 0;
    }
    .img_big .coupon_a {
        width: 85%;
    }
    .img_big .coupon_b {
        width: 82%;
    }
}

.bottom_coupon {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translate(-50%,0%);
    width: 100%;
    max-width: 640px;
}
.bottom_coupon .coupon_pc {
    display: block;
    width: 100%;
}
.bottom_coupon .coupon_sp {
    display: none;
    width: 100%;
}
@media (max-width: 640px) {
    .bottom_coupon .coupon_pc {
        display: none;
    }
    .bottom_coupon .coupon_sp {
        display: block;
    }
}