* {
  font-family: 'Noto Sans Thai', sans-serif;
  word-break: keep-all;
}

:root {
  /* Colors */
  --signin-service-guide-color: #004DA7;
  --signin-page-bg: #FFF7D3;

  /* Typography */
  --signin-font-size-title: 36px;
  --signin-font-size-content: 24px;
  --signin-guide-steps-header-font-size: 40px;
  --signin-current-step-font-size: 24px;
  --signin-slider-tab-font-size: 32px;

  /* Layout */
  --signin-slider-tab-min-height: 75px;
  --signin-slider-tab-gap: 16px;
  --signin-service-guide-content-gap: 40px;
  --signin-slider-image-height: 600px;

  /* Navigation */
  --signin-nav-size: 60px;
  --signin-slider-prev-button-position: 0;
  --signin-slider-next-button-position: 5px;
}

/* Mobile Screen */
@media (max-width: 767px) {
  :root {
    --signin-font-size-content: 16px;
    --signin-font-size-title: 28px;
    --signin-guide-steps-header-font-size: 28px;
    --signin-current-step-font-size: 18px;
    --signin-slider-tab-font-size: 22px;
    --signin-slider-tab-min-height: 60px;
    --signin-service-guide-content-gap: 10px;
    --signin-slider-tab-gap: 20px;
    --signin-nav-size: 60px;
    --signin-slider-image-height: 450px;
    --signin-slider-prev-button-position: 0;
    --signin-slider-next-button-position: 0;
  }
}

/* Tablet Screen */
@media (min-width: 768px) and (max-width: 1199px) {
  :root {
    --signin-font-size-content: 20px;
    --signin-font-size-title: 30px;
    --signin-guide-steps-header-font-size: 30px;
    --signin-current-step-font-size: 20px;
    --signin-slider-tab-font-size: 26px;
    --signin-slider-tab-min-height: 70px;
    --signin-service-guide-content-gap: 10px;
    --signin-nav-size: 80px;
    --signin-slider-image-height: 600px;
    --signin-slider-prev-button-position: 10%;
    --signin-slider-next-button-position: 10%;
  }
}

/* Desktop Screen */
@media (min-width: 1200px) {
  :root {
    --signin-font-size-content: 22px;
    --signin-guide-steps-header-font-size: 40px;
    --signin-slider-tab-font-size: 28px;
    --signin-slider-tab-min-height: 80px;
    --signin-slider-tab-gap: 32px;
    --signin-nav-size: 100px;
    --signin-slider-image-height: 600px;
    --signin-slider-prev-button-position: 0;
    --signin-slider-next-button-position: 0;
  }
}

#login-container,
.download-app-section {
  background: var(--signin-page-bg);
}

.service-guide-header {
  background-color: var(--signin-service-guide-color);
  padding: 10px;
  text-align: center;
}

.service-guide-header h2 {
  color: #fff;
  font-size: var(--signin-font-size-title);
}

/* Mobile Screen */
.service-guide-section {
  padding: 0 20px 20px 20px;
}

.service-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--signin-slider-tab-gap);
  justify-content: center;
  padding: 20px 80px;
}

.service-tab {
  width: 100%;
  min-height: var(--signin-slider-tab-min-height);
  border-radius: 40px;
  background: #fff;
  font-size: var(--signin-slider-tab-font-size);
  font-weight: 700;
  transition: 0.3s;
  --tw-shadow: 0 4px 12px rgba(51, 51, 51, 0.2);
  --tw-shadow-colored: 0 4px 12px var(--tw-shadow-color);
  box-shadow:
      var(--tw-ring-offset-shadow, 0 0 #0000),
      var(--tw-ring-shadow, 0 0 #0000),
      var(--tw-shadow);
}

.service-tab.active {
  background: var(--signin-service-guide-color);
  color: #fff;
}

.service-guide-content {
  background-color: #fff;
  --tw-shadow: 0 4px 12px rgba(51, 51, 51, 0.2);
  --tw-shadow-colored: 0 4px 12px var(--tw-shadow-color);
  box-shadow:
      var(--tw-ring-offset-shadow, 0 0 #0000),
      var(--tw-ring-shadow, 0 0 #0000),
      var(--tw-shadow);
  border-radius: 20px;
  padding: 24px;
}

.service-guide-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--signin-service-guide-content-gap);
}

.service-guide-steps {
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.service-guide-steps h2 {
  width: 100%;
  color: var(--signin-service-guide-color);
  font-size: var(--signin-guide-steps-header-font-size);
  font-weight: 700;
  text-align: center;
}

.guide-divider {
  width: 30%;
  height: 2px;
  border-radius: 2px;
  background: var(--signin-service-guide-color);
  margin: 0 auto;
  margin-bottom: 20px;
}

.step-list {
  flex: 1;
  font-size: var(--signin-font-size-content);
}

.step-list p {
  color: var(--signin-service-guide-color);
  margin: 15px 0;
  cursor: pointer;
  transition: 0.3s;
}

.step-list p.active {
  color: #ffcc00;
  text-decoration: underline;
}

.guide-phone-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.service-guide-steps .step-list {
  display: none;
}

.service-guide-steps .guide-current-step {
  display: block;
  text-align: center;
  color: var(--signin-service-guide-color);
  font-size: var(--signin-current-step-font-size);
}

.guide-swiper {
  width: 100%;
  position: relative;
}

.guide-swiper .swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-left: 10px;
}

.guide-swiper img.slider-image {
  height: var(--signin-slider-image-height);
  object-fit: contain;
}

.guide-prev,
.guide-next {
  position: absolute;
  z-index: 100;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--signin-nav-size);
  height: var(--signin-nav-size);
}

.guide-prev {
  left: var(--signin-slider-prev-button-position);
  top: 50%;
  transform: translateY(-50%);
}

.guide-next {
  right: var(--signin-slider-next-button-position);
  top: 50%;
  transform: translateY(-50%);
}

.guide-prev img,
.guide-next img {
  width: 100%;
  height: 100%;
}

.service-guide-footer {
  width: 100%;
  text-align: center;
}

.service-guide-footer .service-guide-contact {
  color: var(--signin-service-guide-color);
  font-size: var(--signin-font-size-content);
}

@media (max-width: 499px) {
  .service-tab {
    width: 80px;
    flex: 0 0 auto;
  }

  #log-in-01 .pc-banner {
    display: none;
  }

  #log-in-01 .sp-banner {
    display: block;
    width: 100%;
    height: auto;
  }
  
  .download-app-section .pc-banner-wrapper {
    display: none;
  }

  .download-app-section .sp-banner-wrapper {
    display: block;
    position: relative;
  }

  .download-app-section .sp-banner-wrapper img.sp-banner {
    display: block;
    width: 100%;
    height: auto;
  }

  .download-app-section .sp-banner-wrapper .pc-link-mobile {
    border-radius: 999px;
    position: absolute;
    left: 38%;
    top: 19%;
    width: 26%;
    height: 18%;
  }

  .download-app-section .sp-banner-wrapper .app-store-link-mobile {
    border-radius: 10px;
    position: absolute;
    left: 71%;
    top: 68%;
    width: 13%;
    height: 10%;
  }

  .download-app-section .sp-banner-wrapper .google-play-link-mobile {
    border-radius: 10px;
    position: absolute;
    left: 84.5%;
    top: 68%;
    width: 13.5%;
    height: 10%;
  }
}

@media (min-width: 500px) {
  #log-in-01 .pc-banner {
    display: block;
    width: 100%;
    height: auto;
  }

  #log-in-01 .sp-banner {
    display: none;
  }

  .download-app-section .pc-banner-wrapper {
    display: block;
    position: relative;
  }

  .download-app-section .pc-banner-wrapper img.pc-banner {
    display: block;
    width: 100%;
    height: auto;
  }

  .download-app-section .sp-banner-wrapper {
    display: none;
  }

  .download-app-section .pc-banner-wrapper .pc-link {
    border-radius: 999px;
    position: absolute;
    left: 37%;
    top: 24.5%;
    width: 23.5%;
    height: 28%;
  }

  .download-app-section .pc-banner-wrapper .app-store-link {
    border-radius: 10px;
    position: absolute;
    left: 78%;
    top: 72%;
    width: 8.5%;
    height: 10%;
  }

  .download-app-section .pc-banner-wrapper .google-play-link {
    border-radius: 10px;
    position: absolute;
    left: 87%;
    top: 72%;
    width: 10%;
    height: 10%;
  }
}

/* Tablet Screen */
@media (min-width: 768px) and (max-width: 1199px) {
  .service-tabs {
    padding: 20px 40px;
  }

  .guide-swiper img.slider-image {
    height: var(--signin-slider-image-height); 
  }

  .guide-prev {
    left: var(--signin-slider-prev-button-position);
  }

  .guide-next {
    right: var(--signin-slider-next-button-position);
  }

  .guide-current-step {
    font-size: var(--signin-current-step-font-size);
  }
}

@media (max-width: 799px) {
  .service-tabs {
    padding: 20px;
    display: flex;
    margin-bottom: 0;
    flex-wrap: wrap;
    gap: var(--signin-slider-tab-gap);
    overflow-x: auto;
    overflow-y: hidden;
    
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;

    /* Firefox */
    scrollbar-width: none;
    /* IE */
    -ms-overflow-style: none;

  }

  /* Chrome/Safari/Edge */
  .service-tabs::-webkit-scrollbar {
    display: none;
  }

  .service-tabs button {
    width: calc((100% - var(--signin-slider-tab-gap)) / 2);
    flex: 0 0 auto;
  }
}


/* Desktop Screen */
@media (min-width: 1200px) {
  .service-guide-header {
    padding: 20px;
  }

  .service-guide-section {
    padding: 0 80px 40px 80px;
  }

  .service-guide-wrapper {
    align-items: start;
    flex-direction: row;
    justify-content: space-between;
    padding: 45px;
  }

  .service-guide-steps {
    width: 50%;
    align-items: start;
  }

  .service-guide-steps .step-list {
    display: block;
  }

  .service-guide-steps .guide-current-step {
    display: none;
  }

  .guide-phone-wrapper {
    width: 40%;
    gap: 10px;
  }

  .guide-swiper {
    flex: 1;
    max-width: 600px;
  }

  .guide-swiper img.slider-image {
    width: 80%;
    height: var(--signin-slider-image-height);
  }

  .guide-prev {
    left: var(--signin-slider-prev-button-position);
  }

  .guide-next {
    right: var(--signin-slider-next-button-position);
  }
}