/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: "SUIT", sans-serif;
}

body {
  font-weight: 500;
  color: #000;
}

a {
  text-decoration: none;
  color: #000;
}
.course-container {
  display: flex;
  gap: 40px;
  width: 1200px;
  min-height: 580px;
  margin: 50px auto 50px auto;
}
.course-sidebar {
  width: 200px;
}
.course-sidebar h2 {
  padding: 24px 0;
  text-align: center;
  background-color: #1c4b84;
  font-size: 18px;
  color: #fff;
  border-radius: 15px 15px 0 0;
}
.course-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border: 1px solid #e5e5e5;
  border-radius: 0 0 15px 15px;
  overflow: hidden;
}
.course-nav-item {
  border-bottom: 1px solid #e5e5e5;
}
.course-nav-item:last-child {
  border-bottom: none;
}

.course-nav-list {
  list-style: none;
}

.course-nav-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: bold;
  padding: 17.5px;
}

.course-arrow {
  transition: transform 0.2s;
}

.course-nav-item.open .course-arrow {
  transform: rotate(90deg);
}

.course-submenu {
  list-style: none;
  display: none;
  padding: 8px 0;
  border-top: 1px solid #e1e1e1;
}

.course-submenu li {
  padding: 7px 14px;
  font-size: 14px;
  cursor: pointer;
}

.course-submenu li::before {
  content: "\F2EA";
  font-family: "bootstrap-icons";
  color: #333;
  margin-right: 5px;
}

.course-nav-item.open .course-submenu {
  display: block;
}

/* ========== ¿ìÃø ÇÊÅÍ ¼½¼Ç ========== */
.course-filter {
  flex: 1;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* margin-top: 30px; */
}

.course_header {
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid #000;
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.con_left {
  width: 45%;
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 50;
}

.con_left h2 {
  margin-top: 6px;
}

.course-search {
  width: 77%;
  border-radius: 5px;
  border: 1px solid #ddd;
  overflow: hidden;
  z-index: 100;
}
.course-search-input {
  width: 89%;
  height: 40px;
  border: none;
  padding: 0 10px;
}

.course-search-input:focus {
  outline: none;
  box-shadow: none;
  border-color: #ccc;
}

.course-search-btn {
  border: none;
  background: transparent;
  vertical-align: middle;
  cursor: pointer;
}
.search-dropdown {
  position: absolute;
  top: 100%;
  left: 99px;
  width: 77.3%;
  background: #fff;
  border: 1px solid #ddd;
  border-top: none;
  z-index: 9999;
  display: none;
}
.search-dropdown ul {
  margin: 0;
  padding: 8px 0;
  list-style: none;
}
.search-dropdown li a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
}
.search-dropdown li a:hover {
  background: #f3f6ff;
  color: #1c4b84;
}
.es-cart-breadcrumb {
  font-size: 12px;
  color: #858f9a;
  float: right;
  margin-top: 20px;
}
.es-cart-breadcrumb a {
  color: #666;
  text-decoration: none;
}
.es-cart-breadcrumb .sep {
  margin: 0 6px;
  color: #aaa;
}

.course-filter-header {
  height: 60px;
  display: flex;
  background: #1d4e8f;
  border-radius: 13px 13px 0 0;
}
.course-filter-header .course-col {
  /* flex: 1; */
  width: 30%;
  padding: 12px;
  text-align: center;
  color: #ffffff;
  font-weight: bold;
  font-size: 18px;
  line-height: 40px;
  border-right: 1px solid rgba(255, 255, 255, 0.3);
}
.course-filter-header .course-col:last-child {
  width: 40%;
  border-right: none;
}
.course-filter-body {
  display: flex;
  /* flex: 1; */
  overflow: hidden;
  border: 1px solid #ddd;
}
.course-filter-column {
  width: 30%;
  overflow-y: auto;
  border-right: 1px solid #ddd;
}
.course-filter-column:last-child {
  border-right: none;
}

.course-filter-body .course-filter-column ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 13px 0 10px 30px;
}

/* °ú¸ñ Ä÷³¿¡¸¸ ½ºÅ©·Ñ Ãß°¡ */
.course-filter-body .course-filter-column:nth-child(3) {
  width: 40%;
  max-height: 200px;
  overflow-y: auto;
}

.course-filter-column li {
  width: calc(100% / 2);
  margin-bottom: 15px;
}

.course-filter-column input[type="checkbox"] {
  vertical-align: middle;
  width: 20px;
  height: 20px;
  accent-color: #1d4e8f;
  cursor: pointer;
}
.course-filter-column label {
  cursor: pointer;
  vertical-align: middle;
  font-weight: bold;
}

/* ¦¡¦¡¦¡¦¡¦¡¦¡¦¡¦¡¦¡¦¡¦¡ Å×À̺í Àüü ¦¡¦¡¦¡¦¡¦¡¦¡¦¡¦¡¦¡¦¡¦¡ */
.course_contents {
  margin-top: 24px;
  margin-bottom: 40px;
}
.course-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  font-weight: bold;
}
.course-table thead th {
  padding: 12px;
  text-align: center;
  background-color: #e6f1ff;
  font-size: 16px;
}
.course-table th,
.course-table td {
  padding: 12px;
  vertical-align: middle;
}
.course-table th:nth-child(1) {
  width: 16%;
}
.course-table th:nth-child(2) {
  width: 16%;
}
.course-table th:nth-child(3) {
  width: auto;
}
.course-table th:nth-child(4) {
  width: 24%;
}

.courer_list {
  border-bottom: 1px solid #ddd;
}

.course-table th:first-child,
.course-table td:first-child {
  /* width: 50px; */
  text-align: center;
}

.course-table td:nth-child(2) {
  text-align: center;
}

.course-checkbox {
  cursor: pointer;
  transform: scale(1.2);
  transform-origin: center;
}

.course-title {
  font-weight: 500;
  line-height: 1.4;
}
.course-meta {
  margin-top: 4px;
  font-size: 12px;
  color: #666;
}

.radio-group input[type="radio"] {
  display: none;
}

.radio-group label {
  display: inline-block;
  padding-left: 25px;
  position: relative;
  cursor: pointer;
  font-size: 14px;
  color: #333;
}

.radio-item {
  margin-bottom: 8px;
}

.radio-group label::before {
  content: "";
  width: 12px;
  height: 12px;
  border: 2px solid #777;
  border-radius: 50%;
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
}

/* ¼±ÅÃµÈ »óÅ */
.radio-group input[type="radio"]:checked + label::before {
  border-color: #1c4b84;
  background-color: #1c4b84;
  box-shadow: inset 0 0 0 4px #fff;
}
.radio-group {
  margin-top: 10px;
  text-align: left;
}

.radio-item {
  margin-bottom: 8px;
  display: flex;
  align-items: center;
}

.radio-item input[type="radio"] {
  margin-right: 6px;
}

.course-badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
  margin-right: 4px;
  vertical-align: middle;
  color: #fff;
}
.course-badge-hot {
  background: #e03d3d;
}
.course-badge-new {
  background: #ff9729;
}
.course-badge-best {
  background: #007aff;
}

.course-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.course-badges {
  margin-bottom: 5px;
}
.course-btn {
  font-size: 14px;
  font-weight: bold;
  padding: 7px 16px;
  border: 1px solid #1d4e8f;
  background: #fff;
  color: #1d4e8f;
  border-radius: 3px;
  cursor: pointer;
  margin-right: 6px;
}

.course-btn-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.course-info .course-btn {
  margin: 0;
}
.course-btn-cart {
  background-color: #1c4b84;
  color: #fff;
}
.course-price {
  font-weight: bold;
  margin-left: 8px;
}

.cartconfirm_backdrop {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  opacity: 0;
}
.cartconfirm_modal {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -46%) scale(0.98);
  width: 520px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.25);
  z-index: 9999;
  opacity: 0; /* ¡ç ÀÌ ÁÙ ²À »ì·ÁµÎ±â */
  transition: transform 0.2s ease, opacity 0.2s ease;
  overflow: hidden;
  font-family: inherit;
}

.cartconfirm_modal.cartconfirm_open {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.cartconfirm_backdrop.cartconfirm_open {
  opacity: 1;
}

.cartconfirm_head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 16px;
  border-bottom: 1px solid #eee;
  background: #1d4d8e;
  color: #fff;
}
.cartconfirm_head h3 {
  font-size: 21px;
  font-weight: 700;
  margin-top: 10px;
}
.cartconfirm_head h3::before {
  content: "\F270";
  font-family: bootstrap-icons;
  margin-right: 10px;
  font-size: 38px;
  font-weight: normal;
  vertical-align: middle;
  margin-bottom: 8px;
  display: inline-block;
}

.cartconfirm_close {
  border: none;
  background: transparent;
  font-size: 32px;
  cursor: pointer;
  padding: 4px 8px;
  color: #fff;
}

.cartconfirm_body {
  padding: 18px 16px 8px;
}

.cartconfirm_meta {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid #eee;
  border-radius: 8px;
}
.cartconfirm_meta li {
  display: flex;
  padding: 10px 12px;
  border-top: 1px solid #eee;
}
.cartconfirm_meta li:first-child {
  border-top: none;
}
.cartconfirm_lbl {
  width: 80px;
  color: #64748b;
  font-size: 14px;
}
.cartconfirm_val {
  flex: 1;
  color: #0f172a;
  font-size: 14px;
}

.cartconfirm_actions {
  display: flex;
  gap: 8px;
  padding: 16px;
  justify-content: flex-end;
}
.cartconfirm_btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid #d0d7e1;
  background: #fff;
  color: #0f172a;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}
.cartconfirm_btn:hover {
  background: #f2f6fb;
}
.cartconfirm_go {
  background: #1c4b84;
  color: #fff;
}
.cartconfirm_go:hover {
  background-color: #466994;
  color: #fff;
}

.cartconfirm_modal[hidden],
.cartconfirm_backdrop[hidden] {
  display: none;
}

.samplepop_modal {
  position: absolute;
  min-width: 300px;
  max-width: 400px;
  border: 1px solid #18477b;
  background: #fff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  display: none;
  z-index: 1000;
}

/* Çì´õ */
.samplepop_head {
  background: #18477b;
  color: #fff;
  padding: 10px 12px;
  position: relative;
}
.samplepop_head strong {
  font-size: 16px;
}
.samplepop_close {
  position: absolute;
  right: 8px;
  top: 6px;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
}

/* ¹Ùµð */
.samplepop_body {
  padding: 10px 12px;
  max-height: 200px;
  overflow: auto;
}
.samplepop_list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.samplepop_item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid #eee;
}
.samplepop_item:last-child {
  border-bottom: 0;
}
.samplepop_title {
  font-size: 14px;
}
.samplepop_time {
  font-size: 12px;
  color: #666;
  margin-left: 6px;
}
.samplepop_btn {
  font-size: 12px;
  border: 1px solid #18477b;
  background: #fff;
  color: #18477b;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
}
.samplepop_btn:hover {
  background: #18477b;
  color: #fff;
}

/* µ¥ÀÌÅÍ ¾øÀ»‹š */
.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  min-height: 180px;
  padding: 24px 20px;
  background: #f2f3f5;
  color: #555;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.2px;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
}

/* ¦¡¦¡¦¡ ¹Ù Àüdü ¦¡¦¡¦¡ */
.cart-wrapper {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 90px; /* ´ÝÈù »óÅÂ ³ôÀÌ */
  overflow: visible;
  transition: height 0.3s ease;
  z-index: 1000;
  font-family: sans-serif;
}

.cart-wrapper.open {
  height: 300px; /* ¿­¸° »óÅÂ ³ôÀÌ */
}

.cart-wrapper.open .cart-content {
  height: 210px; /* ¿­¸° ³ôÀÌ (300 - header 90) */
  padding-top: 20px;
  padding-bottom: 20px;
}

/* ¦¡¦¡¦¡ »ó¼¼ ÄÜÅÙÃ÷ ¦¡¦¡¦¡ */
.cart-content {
  height: 0; /* ´ÝÈû */
  padding: 0 240px; /* ÁÂ¿ì ¿©¹é(240px) */
  background-color: #333;
  box-sizing: border-box;
  overflow: hidden; /* ³»¿ë¹°¸¸ °¨Ãß±â */
  transition: height 0.3s ease, padding-top 0.3s ease, padding-bottom 0.3s ease;
}

.cart-toggle-btn {
  position: absolute;
  top: -27px;
  right: 350px;
  background-color: #333;
  color: #fff;
  border: none;
  padding: 6px 12px;
  font-size: 13px;
  border-radius: 4px 4px 0 0;
  cursor: pointer;
}

.cart-list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 1200px;
  margin: 0 auto;
  padding-left: 240px;
}
.cart-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 16px;
  color: #ccc;
  border-bottom: 1px solid #444;
}
.item-name {
  flex: 1;
  margin-right: 10px;
}
.item-price {
  width: 100px;
  text-align: right;
}
.item-remove {
  cursor: pointer;
  margin-left: 17px;
  font-size: 20px;
}

/* ¦¡¦¡¦¡ »ó¼¼ ÇÏ´Ü ¾×¼Ç ¦¡¦¡¦¡ */
.cart-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cart-footer .summary {
  font-size: 14px;
  color: #cccccc;
}
.cart-footer .summary strong {
  color: #4fbfa8;
  margin: 0 4px;
  font-weight: 600;
}

.cart-actions ul {
  display: flex;
}

.cart-actions ul li {
  margin-left: 10px;
  font-size: 16px;
  cursor: pointer;
}

.cart-actions ul li a {
  width: 150px;
  height: 40px;
  line-height: 40px;
  border-radius: 5px;
  display: inline-block;
  color: #fff;
  text-align: center;
}

.to_cart a {
  background-color: transparent;
  border: 1px solid #4fbfa8;
  color: #4fbfa8;
}

.pay_now a {
  background-color: #4fbfa8;
  border: none;
  color: #ffffff;
}

/* ¦¡¦¡¦¡ ÇÏ´Ü Çì´õ(Åä±Û + ¿ä¾à) ¦¡¦¡¦¡ */
.cart-header {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 90px;
  background-color: #333333;
  box-sizing: border-box;
}
.cart-hea-con {
  width: 1200px;
  height: 100%;
  padding-left: 240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.summary {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
}

.summary .divider {
  color: #999;
  font-size: 20px;
}

.cart-header .summary .total_subjects {
  color: #fff;
  font-size: 26px;
  font-weight: 700;
}

.cart-header .summary .tuition {
  font-size: 26px;
  color: #8affea;
  font-weight: 700;
}

/* course_detail========================================================= */
.card {
  width: 960px;
  height: 274px;
  background: #fff;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  overflow: hidden;
  background: url(/image/course_bg.png) no-repeat;
  padding: 20px;
}

.card-img {
  flex: 0 0 300px;
  /* background: #164a93; */
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-img img {
  max-width: 100%;
  height: auto;
  margin-top: 278px;
  margin-left: 73px;
}

.card-info {
  padding: 20px;
  position: relative;
  background-color: #fff;
  width: 540px;
  height: 232px;
  border-radius: 10px;
}

.title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.title-left {
  display: flex;
  gap: 5px;
}

.title-row h2 {
  font-size: 28px;
  font-weight: bold;
  color: #1c4b84;
}
.title-row p {
  font-size: 18px;
  font-weight: 600;
  color: #4b5563;
  margin-top: 10px;
}
.badges span {
  width: 35px;
  height: 20px;
  text-align: center;
  line-height: 20px;
  display: inline-block;
  font-size: 12px;
  border-radius: 3px;
  color: #fff;
}
.badge-red {
  background: #ff4d4f;
}
.badge-blue {
  background: #1f6fff;
}

.edu-box {
  border-radius: 0 0 8px 8px;
  margin-top: 10px;
}
.edu-box ul {
  list-style: disc;
  font-size: 16px;
  color: #334155;
}
.edu-box ul li {
  margin: 5px 0;
}

.tab-content ul li {
  margin: 5px 0;
}

.info-list {
  border-top: 2px dotted #c8d7ef;
  margin-top: 15px;
  padding-top: 10px;
  font-size: 16px;
}
.info-list p {
  width: 70%;
  margin: 5px 0;
}
.label {
  font-weight: bold;
  color: #475569;
}
.value {
  color: #111827;
}

.btn-wrap {
  text-align: right;
  /* margin-top: 15px; */
}
.btn {
  display: inline-block;
  padding: 7px 10px;
  border: 2px solid #1c4b84;
  border-radius: 5px;
  background: #fff;
  color: #1c4b84;
  font-weight: bold;
  text-decoration: none;
  font-size: 15px;
  transition: 0.3s;
  position: absolute;
  bottom: 13px;
  right: 20px;
}

.btn:hover {
  background: #1c4b84;
  color: #fff;
}

/* ÄÁÅ×ÀÌ³Ê */
.pay-card {
  max-width: 960px;
  width: 960px;
  margin: 24px auto 0 auto;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

/* »ó´Ü Çà(»óÇ°¸í/°¡°Ý) */
.pay-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
}
.pay-title {
  display: flex;
  gap: 20px;
}

.pay-title p {
  font-size: 18px;
  font-weight: 700;
}

.pay-radio-group {
  display: flex;
  gap: 15px;
  align-items: center;
}

.pay-radio-item {
  display: flex;
  align-items: center;
}
.pay-radio-item input {
  margin-right: 5px;
}

.pay-price {
  white-space: nowrap;
  font-size: 16px;
  font-weight: 800;
  color: #000;
}
.price {
  color: #1d4e8f;
  margin-left: 10px;
}
/* ÇÏ´Ü ÇÕ°è ¿µ¿ª */
.pay-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 20px;
  background: #eaf3ff;
  border-top: 1px solid #e5e7eb;
}
.pay_noti ul li {
  color: #eb0000;
  font-size: 14px;
}
.pay_noti ul li::before {
  content: "-";
  margin-right: 8px;
}

/* ¹öÆ°µé */
.pay-btn {
  width: 130px;
  height: 40px;
  appearance: none;
  border: 0;
  border-radius: 5px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  text-align: center;
  line-height: 40px;
}
.pay-actions {
  display: flex;
  gap: 10px;
}
.btn-outline {
  background: #fff;
  border: 1.8px solid #1c4b84;
  color: #1c4b84;
}
.btn-primary {
  background: #1c4b84;
  color: #fff;
}
.btn-outline:hover {
  background: #1c4b84;
  color: #ffffff;
}
.btn-primary:hover {
  background: #fff;
  border: 1.8px solid #1c4b84;
  color: #1c4b84;
}

/* ¼ö°­Èıâ */
.curri-title {
  margin-bottom: 12px;
}
.review-section {
  max-width: 1200px;
  margin: 60px auto;
}
.review-title {
  font-size: 24px;
  margin-bottom: 12px;
}

.review-table-wrap {
  border: 1px solid #e6ebf2;
  overflow: hidden;
  background: #fff;
}
.review-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 14px;
  color: #1f2937;
}
.review-table thead th {
  background: #eaf3ff;
  color: #333;
  font-weight: 800;
  padding: 14px 18px;
  font-size: 16px;
  border-bottom: 1px solid #e6ebf2;
}
.review-table tbody td {
  padding: 20px;
  border-top: 1px solid #e6ebf2;
  vertical-align: top;
}
.review-table tbody tr:first-child td {
  border-top: none;
}

.review-table .author {
  color: #334155;
  white-space: nowrap;
  border-right: 1px solid #e6ebf2;
  text-align: center;
  font-size: 16px;
  vertical-align: middle;
}
.review-table .author span {
  display: block;
}
.review-table .content .c-title {
  font-weight: 800;
  margin-bottom: 10px;
  color: #1f2a44;
  font-size: 16px;
}
.review-table .content .c-text {
  color: #4b5563;
  line-height: 1.6;
}

/* ´õº¸±â ¹öÆ° */
.review-more {
  display: flex;
  justify-content: center;
  margin-top: 18px;
}
.btn-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 5px;
  background: #1f4a8f;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  font-size: 14px;
}
.btn-more::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-right: 2px solid #fff;
  border-top: 2px solid #fff;
  transform: rotate(45deg);
}

/* ------------------????--------------- */
.tac-section01 {
  width: 960px;
  margin: 0 auto;
}

.tac-course-table th.tac-course-th01 {
  width: 15%;
  background-color: #004b8d;
  text-align: center;
  font-weight: bold;
  color: #fff;
  vertical-align: middle;
}

.tac-course-table {
  border-collapse: collapse;
  width: 100%;
}
.tac-course-table {
  font-weight: 500;
  font-size: 16px;
}

.tac-course-th01,
.tac-course-td01 {
  border: 1px solid #ddd;
  padding: 20px 30px;
  vertical-align: top;
}
.tac-course-td01 {
  background-color: #f9f9f9;
}
.tac-course-td01 ol li {
  list-style-type: decimal; /* 1, 2, 3... */
  margin-left: 20px; /* ???? */
}
.tac-course-td01 ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.tac-course-td01 ul li {
  position: relative;
  padding-left: 14px; /* ??? ?? ?? */
  text-indent: -8px; /* ? ?? ? ???? ??? */
}

.tac-course-td01 ul li::before {
  content: "-";
  position: absolute;
  left: 0;
  top: 0;
}
.tac-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

/* curri */

.curri-section {
  width: 960px;
  margin: 80px auto 80px;
}

.curri-title {
  font-size: 24px;
  margin-bottom: 12px;
}

.lecture-outline {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}

.lecture-outline thead th {
  background-color: #1c4b84;
  color: #fff;
  text-align: center;
  padding: 12px 16px;
  border-bottom: 2px solid #1c4b84;
  font-weight: 700;
}

.lecture-outline tbody td {
  border-bottom: 1px solid #e5e5e5;
  text-align: left;
  padding: 10px 15px;
  line-height: 1.5;
  color: #111;
}

.lecture-outline tr.chapter-row td {
  background: #f6f8fc;
  font-weight: 800;
  font-size: 16px;
  border-top: 2px solid #1c4b84;
  border-bottom: 1px solid #dbe3ee;
  padding: 15px;
}

.lecture-outline tr.chapter-items td {
  padding-left: 45px;
}

.lecture-outline tr.chapter-items:last-of-type td {
  border-bottom: 1px solid #dbe3ee;
}

.lecture-outline tbody tr:last-child td {
  border-bottom: 1px solid #dbe3ee;
}

/* ================top_btn================ */
#topBtn {
  position: fixed;
  bottom: 40px;
  right: 160px;
  z-index: 999;
  border: none;
  padding: 6px 10px;
  cursor: pointer;
  display: none;
  transition: opacity 0.3s;
  background-color: #1c4b84;
  border-radius: 8px;
  font-size: 5px;
}
#topBtn i {
  color: #fff;
  font-size: 30px;
}

#topBtn:hover {
  background-color: #16365c;
}