@charset "UTF-8";
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css");

@font-face {
  font-family: 'BnviitLasik';
  src: url('/event/orientation/2026/font/BnviitLasik.ttf') format('truetype');
  font-weight: 900;
  font-style: normal;
}

:root {
  --sec-nav-h: 56px;
  --color-text: #121723;
  --color-green: #7ec401;
  --color-blue: #228fe7;
  --pc-container: 1200px;
  --pc-pad: clamp(20px, 2.5vw, 40px);
  --pc-title: clamp(28px, 2.5vw, 42px);
  --pc-title-sm: clamp(18px, 1.7vw, 28px);
  --pc-body: clamp(15px, 1.25vw, 22px);
  --pc-gap: clamp(16px, 2.1vw, 40px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  letter-spacing: -0.05em;
  word-break: keep-all;
  font-family: "Pretendard", system-ui, -apple-system, "Noto Sans KR", sans-serif;
  color: var(--color-text);
  background: #fff;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  -webkit-user-drag: none;
  user-select: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
  color: inherit;
}

.kk-wrap {
  width: 100%;
  min-height: 100%;
}

/* ========== Top Header (fixed — 스크롤 시 따라옴) ========== */
.kk-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 30px 30px 0;
  transition: background-color 0.25s ease, backdrop-filter 0.25s ease,
    padding 0.25s ease, box-shadow 0.25s ease;
}

body.is-scrolled .kk-header {
  padding-top: 25px;
  padding-bottom: 25px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid #e6e6e6;
}

.kk-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 1860px;
  margin: 0 auto;
}

.kk-logo {
  display: block;
  width: 132px;
  height: 33px;
  flex-shrink: 0;
}

.kk-header .kk-logo {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.kk-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.kk-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 4.5vw, 140px);
  min-width: 0;
}

.kk-nav a {
  font-size: clamp(15px, 0.95vw, 18px);
  font-weight: 400;
  letter-spacing: -0.05em;
  color: var(--color-text);
  white-space: nowrap;
  transition: color 0.2s ease;
}

.kk-nav a:hover,
.kk-nav a.is-active {
  color: var(--color-blue);
}

.kk-menu-btn {
  display: none;
  position: relative;
  z-index: 2;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  margin-left: auto;
  flex-shrink: 0;
}

.kk-menu-btn__bar {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 1px;
  background: var(--color-text);
  transition: transform 0.25s ease, opacity 0.2s ease;
}

body.is-menu-open .kk-menu-btn__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.is-menu-open .kk-menu-btn__bar:nth-child(2) {
  opacity: 0;
}

body.is-menu-open .kk-menu-btn__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ========== Mobile menu panel ========== */
.kk-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
}

.kk-mobile-menu:not([hidden]) {
  display: block;
}

.kk-mobile-menu__dim {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: rgba(18, 23, 35, 0.35);
  cursor: pointer;
}

.kk-mobile-menu__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(320px, 86vw);
  height: 100%;
  background: #fff;
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.28s ease;
}

body.is-menu-open .kk-mobile-menu__panel {
  transform: translateX(0);
}

.kk-mobile-menu__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid #eef0f4;
}

.kk-mobile-menu__head .kk-logo {
  width: 110px;
  height: 28px;
}

.kk-mobile-menu__close {
  position: relative;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.kk-mobile-menu__close span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
}

.kk-mobile-menu__close span:first-child {
  transform: translate(-50%, -50%) rotate(45deg);
}

.kk-mobile-menu__close span:last-child {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.kk-mobile-menu__nav {
  display: flex;
  flex-direction: column;
  padding: 12px 8px;
  overflow-y: auto;
}

.kk-mobile-menu__nav a {
  display: block;
  padding: 16px 16px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.05em;
  color: var(--color-text);
  border-radius: 10px;
  transition: background 0.2s ease, color 0.2s ease;
}

.kk-mobile-menu__nav a:hover,
.kk-mobile-menu__nav a.is-active {
  color: var(--color-blue);
  background: rgba(34, 143, 231, 0.08);
}

body.is-menu-open {
  overflow: hidden;
}

/* ========== Main Hero ========== */
.kk-main {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 900px;
  height: auto;
  overflow: hidden;
  background: #fff;
  border: 0;
  outline: 0;
}

.kk-main__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none !important;
  overflow: hidden;
  background: #fff;
  cursor: default;

  opacity: 0.99;
}

.kk-main__bg-poster,
.kk-main__bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  border: 0 !important;
  outline: 0 !important;
  box-shadow: none !important;
  cursor: default !important;
  pointer-events: none !important;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

.kk-main__bg-poster {
  z-index: 1;
  opacity: 1;
  transition: opacity 0.35s ease;
  background: #fff url("../images/bg_main.png") center center / cover no-repeat;
}

.kk-main__bg-video {
  z-index: 2;
  opacity: 0;
  transition: opacity 0.35s ease;
  object-fit: cover;
  object-position: center center;
  background: #fff;
}

.kk-main__bg-video:focus,
.kk-main__bg-video:focus-visible,
.kk-main__bg-video:active {
  outline: 0 !important;
  border: 0 !important;
  box-shadow: none !important;
}

.kk-main__bg-video::-webkit-media-controls,
.kk-main__bg-video::-webkit-media-controls-enclosure,
.kk-main__bg-video::-webkit-media-controls-panel,
.kk-main__bg-video::-webkit-media-controls-overlay-play-button,
.kk-main__bg-video::-webkit-media-controls-start-playback-button,
.kk-main__bg-video::-webkit-media-controls-timeline,
.kk-main__bg-video::-webkit-media-controls-current-time-display,
.kk-main__bg-video::-webkit-media-controls-time-remaining-display,
.kk-main__bg-video::-webkit-media-controls-mute-button,
.kk-main__bg-video::-webkit-media-controls-volume-slider {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
  opacity: 0 !important;
  pointer-events: none !important;
  -webkit-appearance: none !important;
}

.kk-main.is-bg-playing .kk-main__bg-video {
  opacity: 0.99;
}

.kk-main.is-bg-playing .kk-main__bg-poster {
  opacity: 0;
}

.kk-main__bg-mobile {
  display: none;
  position: absolute;
  inset: 0;
  background: #fff url("../images/main_m.png") center top / 100% 100% no-repeat;
}

.kk-main__stage {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  margin: 0 auto;
  pointer-events: auto;
  cursor: default;
}

.kk-main__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  padding: clamp(88px, 12vh, 159px) 20px clamp(24px, 4vh, 40px);
}

.kk-main__title {
  margin: 0;
  text-align: center;
  font-weight: 800;
  font-size: clamp(36px, 3.9vw, 75px);
  line-height: 1.3;
  letter-spacing: -0.05em;
  color: var(--color-text);
}

.kk-main__title .green {
  color: var(--color-green);
}

.kk-main__player {
  position: relative;
  margin-top: clamp(16px, 3.2vh, 53px);
  width: min(793px, 70vw, 92vh);
  aspect-ratio: 793 / 446;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  background: transparent;
}

.kk-main__player-frame {
  position: absolute;
  inset: 0;
  border-radius: 20px;
  overflow: hidden;
  pointer-events: none;
}

.kk-main__player-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center center;
  border-radius: 20px;
}

.kk-main__player-dim {
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(to bottom,
      rgba(0, 0, 0, 0.2) 77.242%,
      rgba(0, 0, 0, 0.8) 100%);
  pointer-events: none;
}

.kk-main__play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 95px;
  height: 96px;
  z-index: 2;
  padding: 0;
  transition: transform 0.2s ease;
}

.kk-main__play img {
  display: block;
  width: 95px;
  height: 96px;
  max-width: none;
}

.kk-main__play:hover {
  transform: translate(-50%, -50%) scale(1.05);
}

.kk-main__player-title,
.kk-main__player-time {
  position: absolute;
  top: calc(405 / 446 * 100%);
  z-index: 2;
  margin: 0;
  color: #fff;
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.9px;
  white-space: nowrap;
  pointer-events: none;
}

.kk-main__player-title {
  left: calc(20 / 793 * 100%);
}

.kk-main__player-time {
  left: calc(729 / 793 * 100%);
}

/* 유튜브 영상 재생 */
.kk-main__player-iframe {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: inherit;
  background: #000;
}

.kk-main__player.is-playing .kk-main__player-frame,
.kk-main__player.is-playing .kk-main__play,
.kk-main__player.is-playing .kk-main__player-title,
.kk-main__player.is-playing .kk-main__player-time {
  display: none;
}

.kk-ot__thumb-iframe {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 12px;
  background: #000;
}

.kk-ot__thumb.is-playing .kk-ot__action--play {
  display: none;
}

/* ========== Sections ========== */
.kk-section {
  position: relative;
  min-height: 50vh;
  scroll-margin-top: calc(var(--sec-nav-h) + 8px);
  background: #f7f8fa;
}

.kk-section:nth-of-type(even) {
  background: #fff;
}

/* ========== Prepare checklist ========== */
.kk-section.kk-prepare {
  background: #e4f3fe;
  min-height: 0;
}

.kk-prepare__inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 80px var(--pc-pad) 100px;
}

.kk-prepare__title {
  margin: 0 0 40px;
  text-align: center;
  font-size: var(--pc-title);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.05em;
  color: var(--color-text);
}

.kk-prepare__title-accent,
.kk-prepare__title-rest {
  display: block;
}

.kk-prepare__title-accent {
  color: #1c91f2;
}

.kk-prepare__title em {
  font-style: normal;
  color: var(--color-text);
}

.kk-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.kk-check {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 97px;
  padding: 20px 32px;
  background: #fff;
  border: 1px solid #f5f5f5;
  border-radius: 12px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.kk-check:hover {
  box-shadow: 0 0 8px rgba(28, 145, 242, 0.12);
}

.kk-check:has(.kk-check__input:checked) {
  border-color: #1c91f2;
}

.kk-check__main {
  display: flex;
  align-items: center;
  gap: 20px;
  min-width: 0;
  text-align: left;
}

.kk-check__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
}

.kk-check__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.kk-check__text {
  font-size: var(--pc-title-sm);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.35;
  color: var(--color-text);
}

.kk-check__input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.kk-check__box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  margin: 3px;
  border: 1.5px solid #c5cbd8;
  border-radius: 7px;
  background: #fff;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.kk-check__box img {
  width: 24px;
  height: 24px;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.kk-check__input:checked+.kk-check__box {
  background: #129dff;
  border-color: #129dff;
}

.kk-check__input:checked+.kk-check__box img {
  opacity: 1;
}

.kk-check__input:focus-visible+.kk-check__box {
  outline: 2px solid #129dff;
  outline-offset: 3px;
}

/* ========== Progress steps ========== */
.kk-section.kk-progress {
  min-height: 0;
  background: #fff;
}

.kk-progress__hero {
  background-color: #fff;
  background-image: url("../images/content1.png");
  background-repeat: no-repeat;
  background-position: center top;
  background-size: contain;
}

.kk-progress__inner {
  max-width: var(--pc-container);
  margin: 0 auto;
  padding: 80px 0 150px;
}

.kk-progress__title {
  margin: 0 0 20px;
  text-align: center;
  font-size: var(--pc-title);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.05em;
  color: var(--color-text);
}

.kk-progress__title-line {
  display: block;
}

.kk-progress__title-line:first-child {
  font-weight: 500;
}

.kk-progress__title em {
  font-style: normal;
  color: #1c91f2;
}

.kk-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: var(--pc-gap);
}

.kk-step {
  display: flex;
  flex-direction: column;
  flex: 1 1 0;
  max-width: 373px;
  min-width: 0;
  border-radius: 12px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
  background: #fff;
  transform: translateY(0);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease;
  will-change: transform;
}

.kk-step:hover {
  transform: translateY(-16px);
  box-shadow: 0 12px 24px rgba(18, 23, 35, 0.12);
}

.kk-step__head {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 88px;
  padding: 20px 26px;
  border-radius: 12px 12px 0 0;
}

.kk-step__head--blue {
  background: #1c91f2;
}

.kk-step__head--green {
  background: var(--color-green);
}

.kk-step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #fff;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
}

.kk-step__head--blue .kk-step__num {
  color: #1c91f2;
}

.kk-step__head--green .kk-step__num {
  color: var(--color-green);
}

.kk-step__name {
  font-size: var(--pc-title-sm);
  font-weight: 700;
  letter-spacing: -0.05em;
  color: #fff;
  line-height: 1.2;
}

.kk-step__body {
  flex: 1;
  padding: 30px;
  border-radius: 0 0 12px 12px;
  background: #fff;
  display: flex;
  align-items: center;
}

.kk-step__body ul {
  list-style: disc;
  margin: 0;
  padding: 0 0 0 22px;
  text-align: left;
  font-size: clamp(15px, 1.05vw, 20px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.7;
  color: var(--color-text);
}

.kk-step__body li+li {
  margin-top: 0;
}

/* ========== OT materials ========== */
.kk-ot {
  position: relative;
  padding: 0 0 150px;
}

.kk-ot#ot-package {
  padding-bottom: 80px;
}

.kk-ot[data-ot-section="2"] {
  padding-bottom: 80px;
}

.kk-ot__inner {
  position: relative;
  max-width: var(--pc-container);
  margin: 0 auto;
  padding: 0;
}

.kk-ot__badge {
  position: absolute;
  left: 40px;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: 240px;
  min-height: 57px;
  padding: 16px 30px 16px 72px;
  border-radius: 100px;
  background: #f5f5f5;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.05);
  transition: background-color 0.25s ease;
}

.kk-ot__badge-num {
  position: absolute;
  left: 3px;
  top: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 57px;
  height: 57px;
  border: 4px solid #fff;
  border-radius: 50%;
  background: #c5cbd8;
  color: #fff;
  font-size: 29px;
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  transform: translateY(-50%);
  transition: background-color 0.25s ease;
}

.kk-ot__badge.is-active {
  background: #e4f3fe;
}

.kk-ot__badge.is-active .kk-ot__badge-num {
  background: #1c91f2;
}

.kk-ot__badge-text {
  width: 145px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.05em;
  text-align: center;
  color: var(--color-text);
}

.kk-ot__title {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 57px;
  margin: 0 0 20px;
  font-size: var(--pc-title);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.3;
  text-align: center;
  color: var(--color-text);
}

.kk-ot__program {
  max-width: var(--pc-container);
  margin: 150px auto 0;
  padding: 0 var(--pc-pad);
  text-align: center;
}

.kk-ot__program .kk-ot__title {
  min-height: auto;
  margin-bottom: 20px;
}

.kk-ot__program-desc {
  margin: 0;
  font-size: var(--pc-body);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.5;
  text-align: center;
  color: var(--color-text);
}

.kk-br-mo {
  display: none;
}

.kk-ot__program-desc strong {
  font-weight: 700;
}

/* ========== STAGE fan (GreenCar video-list style) ========== */
.kk-ot__stage {
  --stage-radius: clamp(980px, 82.8vw, 1590px);
  --stage-card-base-h: clamp(208px, 16.5vw, 316px);
  --stage-card-active-h: clamp(262px, 20.5vw, 393px);
  --stage-grow-headroom: calc(var(--stage-card-active-h) - var(--stage-card-base-h));
  position: relative;
  width: 100%;
  margin-top: 80px;
  overflow: hidden;
  contain: paint;
  background: #fff url("../images/cont2_stage_bg.png") center top / cover no-repeat;
}

.kk-ot__stage-scene {
  position: relative;
  width: 100%;
  height: calc(clamp(520px, 39.6vw, 760px) + var(--stage-grow-headroom));
  margin: 0 auto;
  overflow: visible;
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}

.kk-ot__stage-scene.is-dragging {
  cursor: grabbing;
}

.kk-ot__stage-scene.is-dragging .kk-ot__stage-wheel {
  transition: none;
}

.kk-ot__stage-scene.is-dragging .kk-ot__stage-card img {
  pointer-events: none;
}

.kk-ot__stage-wheel {
  --stage-spin: 0deg;
  position: absolute;
  top: calc(55px + var(--stage-grow-headroom));
  left: 50%;
  width: calc(var(--stage-radius) * 2);
  height: calc(var(--stage-radius) * 2);
  transform: translate(-50%, 0) rotate(calc(20deg + var(--stage-spin)));
  transform-origin: center center;
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.25, 0.1, 0.25, 1),
    transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
  will-change: transform, opacity;
}

.kk-ot__stage.is-inview .kk-ot__stage-wheel {
  opacity: 1;
  transform: translate(-50%, 0) rotate(var(--stage-spin));
}

.kk-ot__stage-card {
  position: absolute;
  top: auto;
  bottom: calc(100% - var(--stage-card-base-h));
  left: 50%;
  width: clamp(150px, 11.9vw, 229px);
  height: var(--stage-card-base-h);
  border-radius: 12px;
  overflow: hidden;
  transform: translateX(-50%);
  transform-origin: center calc(100% + (var(--stage-radius) - var(--stage-card-base-h)));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: width 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    height 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    opacity 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    box-shadow 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    visibility 0.45s;
}

.kk-ot__stage-card.is-visible {
  opacity: 0.92;
  visibility: visible;
  pointer-events: auto;
}

.kk-ot__stage-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kk-ot__stage-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 76.2%, rgba(0, 0, 0, 0.8) 100%);
  opacity: 0;
  transition: opacity 0.45s cubic-bezier(0.25, 0.1, 0.25, 1);
  pointer-events: none;
}

.kk-ot__stage-label {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 24px;
  z-index: 1;
  margin: 0;
  font-size: clamp(16px, 1.5vw, 28px);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.5;
  text-align: center;
  color: #fff;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    transform 0.45s cubic-bezier(0.25, 0.1, 0.25, 1);
  pointer-events: none;
}

.kk-ot__stage-card.is-near {
  width: clamp(164px, 12.8vw, 246px);
  height: clamp(226px, 17.7vw, 340px);
  z-index: 2;
}

.kk-ot__stage-card.is-active {
  width: clamp(190px, 14.8vw, 284px);
  height: var(--stage-card-active-h);
  opacity: 1;
  z-index: 3;
  box-shadow: 0 18px 40px rgba(18, 23, 35, 0.18);
}

.kk-ot__stage-card.is-active::after,
.kk-ot__stage-card.is-active .kk-ot__stage-label {
  opacity: 1;
}

.kk-ot__stage-card.is-active .kk-ot__stage-label {
  transform: translateY(0);
}

.kk-ot__stage-copy {
  position: relative;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: clamp(-180px, -10.7vw, -245px);
  padding: 0 16px 0;
  text-align: center;
}

.kk-ot__stage-brand {
  margin: 0 0 20px;
  font-family: "BnviitLasik", "Pretendard", sans-serif;
  font-size: clamp(48px, 4.2vw, 80px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.3;
  color: var(--color-green);
}

.kk-ot__stage-desc {
  margin: 0 0 80px;
  font-size: var(--pc-body);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.5;
  color: var(--color-text);
}

.kk-ot__stage-desc strong {
  font-weight: 700;
}

.kk-ot__stage-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(540px, 100%);
  max-width: 100%;
  height: clamp(64px, 5.7vw, 110px);
  padding: 15px clamp(24px, 2.1vw, 40px);
  border-radius: 100px;
  background: #000;
  font-size: clamp(20px, 1.9vw, 36px);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1.2;
  text-align: center;
  color: #fff;
  transition: transform 0.2s ease, opacity 0.2s ease;
  gap: 8px;
}



@media (prefers-reduced-motion: reduce) {

  .kk-ot__stage-wheel,
  .kk-ot__stage-card,
  .kk-ot__stage-card::after,
  .kk-ot__stage-label,
  .kk-ot__banner-item {
    transition-duration: 0.01ms !important;
  }

  .kk-ot__banner-item {
    opacity: 1;
    transform: none;
    transition-delay: 0s !important;
  }
}

/* ========== Banner + Teaching board ========== */
.kk-ot__banner {
  max-width: var(--pc-container);
  margin: 80px auto 0;

}

.kk-ot__banner-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--pc-gap);
  list-style: none;
  margin: 0;
  padding: 0;
  margin-top: 160px;
}

.kk-ot__banner-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 373 / 400;
  border-radius: 12px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(48px);
  transition: opacity 0.65s cubic-bezier(0.25, 0.1, 0.25, 1),
    transform 0.65s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.kk-ot__banner-item:nth-child(1) {
  transition-delay: 0s;
}

.kk-ot__banner-item:nth-child(2) {
  transition-delay: 0.18s;
}

.kk-ot__banner-item:nth-child(3) {
  transition-delay: 0.36s;
}

.kk-ot__banner-list.is-revealed .kk-ot__banner-item {
  opacity: 1;
  transform: translateY(0);
}

.kk-ot__banner-item img {
  display: block;
  object-fit: cover;
}

.kk-ot__banner-placeholder {
  font-size: var(--pc-title);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.3;
  text-align: center;
  color: #fff;
  white-space: nowrap;
}

.kk-ot__teaching {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 1.5vw, 24px);
  min-height: 230px;
  margin-top: 50px;
  padding: 20px clamp(20px, 1.8vw, 34px) 20px clamp(24px, 3.1vw, 60px);
  border-radius: 12px;
  background: #1c91f2;
  overflow: hidden;
}

.kk-ot__teaching-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 26px;
  flex: 1;
  min-width: 0;
}

.kk-ot__teaching-title {
  margin: 0;
  font-size: var(--pc-title);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1.2;
  color: #fff;
  white-space: normal;
}

.kk-ot__teaching-title strong {
  font-weight: 800;
}

.kk-ot__teaching-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 0;
  height: clamp(40px, 2.8vw, 53px);
  padding: 0 clamp(16px, 1.5vw, 28px);
  border-radius: 34px;
  background: #fff;
  font-size: var(--pc-body);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #1c91f2;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.kk-ot__teaching-cta img {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}


.kk-ot__teaching-visual {
  flex-shrink: 0;
  width: clamp(200px, 19.2vw, 368px);
}

.kk-ot__teaching-visual img {
  width: 100%;
  height: auto;
}

/* ========== 연간교육계획안 ========== */
.kk-ot__plan {
  position: relative;
  width: 100%;
  margin: 150px 0 0;
  padding: 0 0 60px;
  min-height: clamp(560px, 41.6vw, 799px);
  background: #fff url("../images/cont_plan_bg.png") center top / cover no-repeat;
  overflow: hidden;
}

.kk-ot__plan-title {
  margin: 0 auto;
  max-width: var(--pc-container);
  padding: 0 var(--pc-pad);
  font-size: var(--pc-title);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1.3;
  text-align: center;
  color: #121723;
}

.kk-ot__plan-title span {
  display: block;
}

.kk-ot__plan-title strong {
  display: block;
  font-weight: 700;
  color: #000;
}

.kk-ot__plan-swiper {
  width: 100%;
  margin-top: 20px;
  overflow: hidden;
}

.kk-ot__plan-swiper .swiper-wrapper {
  align-items: flex-start;
}

.kk-ot__plan-slide {
  width: clamp(200px, 14.8vw, 285px);
  height: auto;
}

.kk-ot__plan-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: clamp(200px, 14.8vw, 285px);
}

.kk-ot__plan-thumb {
  position: relative;
  width: 100%;
  height: auto;
  aspect-ratio: 285 / 414;
  border-radius: 9px;
  overflow: hidden;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.15);
  background: #fff;
}

.kk-ot__plan-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kk-ot__plan-dl {
  position: absolute;
  right: 7px;
  bottom: 7px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #000;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.1);
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.kk-ot__plan-dl img {
  width: 21px;
  height: 21px;
  object-fit: contain;
}

.kk-ot__plan-dl:hover {
  background: #222;
  transform: scale(1.06);
}

.kk-ot__plan-label {
  margin: 0;
  font-size: var(--pc-body);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.2;
  text-align: center;
  color: #121723;
  white-space: nowrap;
}


.kk-ot__plan-all {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  margin: 80px auto 0;
  padding: clamp(14px, 0.95vw, 18px) clamp(24px, 1.9vw, 36px);
  border-radius: 100px;
  background: #000;
  font-size: var(--pc-title-sm);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1.2;
  text-align: center;
  color: #fff;
  transition: transform 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}


/* ========== 03 입학준비가이드 ========== */
.kk-ot__title--stack {
  flex-direction: column;
  gap: 0;
  font-weight: 400;
}

.kk-ot__title--stack strong {
  font-weight: 700;
}

.kk-ot__guide-banner {
  position: relative;
  width: 100%;
  max-width: var(--pc-container);
  margin: 0 auto 0;
  border-radius: 12px;
  overflow: hidden;
  background: #faf8f2;
}

.kk-ot__guide-banner>a>img {
  display: block;
  width: 100%;
  height: auto;
}

.kk-ot[data-ot-section="3"] .kk-ot__badge {
  width: auto;
  min-width: 240px;
}

.kk-ot[data-ot-section="3"] .kk-ot__badge-text {
  width: auto;
}

.kk-ot__guide-banner-copy {
  position: absolute;
  left: clamp(20px, 2.9vw, 55px);
  top: 50%;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(12px, 1.4vw, 26px);
  max-width: min(595px, 52%);
  transform: translateY(-50%);
}

.kk-ot__guide-banner-title {
  margin: 0;
  font-size: var(--pc-title);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.2;
  color: #fff;
  white-space: normal;
}

.kk-ot__guide-banner-title strong {
  font-weight: 700;
}

.kk-ot__guide-banner-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 0;
  height: clamp(40px, 2.8vw, 53px);
  padding: 0 clamp(16px, 1.5vw, 28px);
  border-radius: 34px;
  background: #fff;
  font-size: var(--pc-body);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #000;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.kk-ot__guide-banner-cta img {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  filter: brightness(0);
}

.kk-ot__guide-cards {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--pc-gap);
  list-style: none;
  margin: 40px auto 0;
  padding: 0;
  max-width: var(--pc-container);
}

.kk-ot__guide-cards .kk-ot__plan-card {
  width: clamp(200px, 14.8vw, 285px);
  flex: 1 1 clamp(200px, 14.8vw, 285px);
  max-width: 285px;
}

.kk-ot__guide-cards .kk-ot__plan-thumb {
  width: 100%;
  height: auto;
  aspect-ratio: 285 / 414;
}

.kk-ot__guide-cards .kk-ot__plan-dl {
  opacity: 1;
  pointer-events: auto;
}

.kk-ot__grid {
  list-style: none;
  margin: 0;
  padding: 0;
}

.kk-ot__grid--sm {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 15px;
}

.kk-ot__grid--lg {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 60px;
}

.kk-ot__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.kk-ot__thumb {
  position: relative;
  width: 100%;
  line-height: 0;
  border-radius: 12px;
  background: #fff;
  box-shadow: 3px 6px 10px rgba(0, 0, 0, 0.25);
}

.kk-ot__thumb img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.kk-ot__label {
  margin: 0;
  width: 100%;
  font-size: var(--pc-body);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.3;
  text-align: center;
  color: var(--color-text);
}

.kk-ot__action {
  position: absolute;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #000;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
}

.kk-ot__action:hover {
  transform: scale(1.06);
  background: #222;
}

.kk-ot__action--sm {
  right: 9px;
  bottom: 9px;
  width: 46px;
  height: 46px;
}

.kk-ot__action--lg {
  right: 16px;
  bottom: 16px;
  width: 66px;
  height: 66px;
}

.kk-ot__action--play {
  right: 8px;
  bottom: 8px;
  width: 86px;
  height: 86px;
  background: transparent;
  box-shadow: none;
}

.kk-ot__action--play:hover {
  background: transparent;
  transform: none;
}

.kk-ot__action img {
  display: block;
  width: auto;
  height: auto;
  max-width: none;
}

.kk-ot__grid--sm .kk-ot__item {
  transition: transform 0.25s ease;
}

.kk-ot__grid--sm .kk-ot__thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.kk-ot__grid--sm .kk-ot__action--sm {
  opacity: 0;
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {

  .kk-ot__grid--sm .kk-ot__item:hover,
  .kk-ot__grid--sm .kk-ot__item:focus-within {
    transform: translateY(-14px);
  }

  .kk-ot__grid--sm .kk-ot__item:hover .kk-ot__thumb::after,
  .kk-ot__grid--sm .kk-ot__item:focus-within .kk-ot__thumb::after {
    opacity: 1;
  }

  .kk-ot__grid--sm .kk-ot__item:hover .kk-ot__action--sm,
  .kk-ot__grid--sm .kk-ot__item:focus-within .kk-ot__action--sm {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (hover: none),
(pointer: coarse) {
  .kk-ot__grid--sm .kk-ot__action--sm {
    opacity: 1;
    pointer-events: auto;
  }
}

/* OT 02 — 진행자료: 슬라이더 + 사이드 카드 */
.kk-ot__progress {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 20px;
}

.kk-ot__slider {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.kk-ot__slider-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.kk-ot__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 55px;
  height: 55px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.kk-ot__nav img {
  display: block;
  width: 34px;
  height: 34px;
}

.kk-ot__nav--next img {
  transform: rotate(180deg);
}

.kk-ot__swiper {
  position: relative;
  width: 562px;
  height: 315px;
  border: 1px solid #f5f5f5;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
}

.kk-ot__swiper .swiper-wrapper,
.kk-ot__swiper .swiper-slide {
  height: 100%;
}

.kk-ot__swiper .swiper-slide {
  background: #f0f2f5;
}

.kk-ot__swiper .swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  background: #f0f2f5;
}

.kk-ot__page.swiper-pagination {
  position: absolute;
  left: 50%;
  right: auto;
  bottom: 23px;
  top: auto;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto !important;
  min-width: 52px;
  height: 31px;
  margin: 0;
  padding: 4px 10px;
  border-radius: 200px;
  background: rgba(0, 0, 0, 0.6);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  color: #fff;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: -0.015em;
  line-height: 1.47;
  text-shadow: 0 0 12px rgba(0, 0, 0, 0.16);
  transform: translateX(-50%);
  pointer-events: none;
}

.kk-ot__nav.swiper-button-disabled {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
  transform: none;
}

.kk-ot__aside {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.kk-ot__aside .kk-ot__item {
  width: 225px;
  gap: 16px;
}

.kk-ot__aside .kk-ot__thumb {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
}

.kk-ot__aside .kk-ot__action--sm {
  right: 9px;
  bottom: 9px;
  opacity: 1;
  pointer-events: auto;
}

.kk-section--parent {
  position: relative;
  background: url('../images/sect_bg.png') no-repeat center center / cover;
  min-height: clamp(240px, 20vw, 381px);
  height: auto;
  padding: clamp(40px, 3.4vw, 65px) var(--pc-pad) clamp(48px, 4vw, 80px);
  border-radius: 12px 12px 0 0;
}

.kk-section--parent>a {
  display: block;
  text-decoration: none;
  color: inherit;
}

.kk-section--parent>a::after {
  content: "";
  position: absolute;
  inset: 0;
}

.kk-section--parent h1 {
  margin: 0;
  padding-top: 0;
  font-size: var(--pc-title);
  font-weight: 500;
  color: #5A4941;
  text-align: center;
  line-height: 1.35;
}

.kk-section--parent h1 b {
  font-weight: 700;
}

.kk-section--parent h1 b span {
  color: #FFAD00;
}

/* ========== Wing Banner (우측 따라다니는 퀵메뉴) ========== */
.kk-wing {
  position: fixed;
  top: 50%;
  right: 28px;
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 96px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-50%);
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

.kk-wing.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.kk-wing__nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kk-wing__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  box-sizing: border-box;
  width: 96px;
  height: 108px;
  padding: 14px 6px 12px;
  border: 0.7px solid;
  border-radius: 10px;
  background: #fff;
  text-align: center;
  cursor: pointer;
}

.kk-wing__item--ot {
  border-color: #f89a30;
  color: #ff8700;
}

.kk-wing__item--ot .kk-wing__icon {
  background: #ff8700;
}

.kk-wing__item--plan {
  border-color: #1c91f2;
  color: #1c91f2;
}

.kk-wing__item--plan .kk-wing__icon {
  background: #1c91f2;
}

.kk-wing__item--guide {
  border-color: #7ec401;
  color: #7ec401;
}

.kk-wing__item--guide .kk-wing__icon {
  background: #7ec401;
}

.kk-wing__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.kk-wing__icon img {
  width: auto;
  height: auto;
  max-width: 17px;
  max-height: 17px;
}

.kk-wing__label {
  margin-top: 8px;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.28;
  letter-spacing: -0.45px;
}

.kk-wing__top {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: 96px;
  height: 44px;
  border: 0.7px solid #cfd3da;
  border-radius: 10px;
  background: #fff;
  color: #565656;
  cursor: pointer;
}

.kk-wing__top-arrow {
  display: block;
  width: 8px;
  height: 8px;
  border-left: 2px solid currentColor;
  border-top: 2px solid currentColor;
  transform: rotate(45deg) translateY(2px);
}

.kk-wing__top-text {
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.04em;
}

.kk-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60px;
  color: #fff;
  background-color: #565656;
  text-align: center;
}

.kk-footer__inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.kk-footer__inner p {
  margin: 0;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.37;
  letter-spacing: -0.45px;
  color: #fff;
}

.kk-footer__inner>p+p::before {
  content: "";
  display: inline-block;
  vertical-align: middle;
  margin: 0 12px;
  width: 1px;
  height: 12px;
  background-color: #8d8d8d;
}

/* ========== Responsive ========== */

@media (max-width: 1680px) {
  .kk-header {
    padding: 24px 28px 0;
  }

  .kk-ot__badge {
    left: 24px;
    width: 220px;
    min-height: 52px;
    padding: 14px 24px 14px 68px;
  }

  .kk-ot__badge-num {
    width: 52px;
    height: 52px;
    font-size: 26px;
  }

  .kk-ot__badge-text {
    width: auto;
    font-size: 20px;
  }
}

@media (max-width: 1440px) {
  .kk-header {
    padding: 20px 24px 0;
  }

  .kk-main__content {
    padding: clamp(120px, 10vw, 140px) 20px 40px;
  }

  .kk-main__title {
    font-size: clamp(32px, 3.6vw, 60px);
  }

  .kk-check {
    min-height: 0;
    padding: 18px 24px;
  }

  .kk-ot__badge {
    width: 200px;
    padding: 12px 20px 12px 64px;
  }

  .kk-ot__badge-num {
    width: 48px;
    height: 48px;
    font-size: 22px;
  }

  .kk-ot__badge-text {
    font-size: 18px;
  }

  .kk-ot__plan {
    min-height: 0;
    background-size: 1400px auto;
    margin-top: 100px;
  }

  .kk-progress__inner {
    padding: 56px var(--pc-pad) 72px;
  }

  .kk-ot__nav {
    width: 48px;
    height: 48px;
  }

  .kk-ot__nav img {
    width: 28px;
    height: 28px;
  }

  .kk-ot__action--sm {
    width: 40px;
    height: 40px;
  }

  .kk-ot__action--lg {
    width: 56px;
    height: 56px;
  }

  .kk-ot__action--play {
    width: 72px;
    height: 72px;
  }
}

@media (max-width: 1366px) {
  .kk-ot__grid--sm {
    gap: 12px;
  }

  .kk-ot__grid--lg {
    gap: 16px;
  }

  .kk-step__head {
    min-height: 76px;
    gap: 12px;
    padding: 16px 20px;
  }

  .kk-step__num {
    width: 42px;
    height: 42px;
    font-size: 18px;
  }

  .kk-step__body {
    padding: 22px 20px;
  }

  .kk-ot__teaching-cta,
  .kk-ot__guide-banner-cta {
    white-space: nowrap;
  }
}

@media (max-width: 1280px) {
  .kk-header {
    padding: 16px 20px 0;
  }

  .kk-logo {
    width: 110px;
    height: 28px;
  }

  .kk-header__inner {
    justify-content: space-between;
    min-height: 40px;
  }

  .kk-header .kk-logo {
    position: static;
    transform: none;
  }

  .kk-header .kk-nav {
    display: none;
  }

  .kk-menu-btn {
    display: flex;
  }

  .kk-ot__badge {
    display: none;
  }

  .kk-main__content {
    padding: clamp(100px, 9vw, 130px) 20px 36px;
  }

  .kk-ot__inner {
    padding: 0 var(--pc-pad);
  }

  .kk-ot__aside {
    gap: 12px;
  }
}

@media (max-width: 1280px) {
  .kk-wing {
    display: none;
  }

  body.is-scrolled .kk-header {
    padding-top: 12px;
    padding-bottom: 12px;
  }
}

@media (max-width: 1100px) {
  .kk-ot__grid--sm {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .kk-ot__banner-list {
    margin-top: 80px;
    gap: 16px;
  }

  .kk-ot__banner-placeholder {
    white-space: normal;
    font-size: clamp(18px, 2.4vw, 28px);
  }

  .kk-ot__progress {
    flex-direction: column;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
  }

  .kk-ot__slider,
  .kk-ot__slider-row {
    width: 100%;
  }

  .kk-ot__swiper {
    width: min(562px, calc(100% - 112px));
    height: auto;
    aspect-ratio: 562 / 315;
  }

  .kk-ot__aside {
    width: 100%;
    justify-content: center;
  }

  .kk-ot__aside .kk-ot__item {
    width: clamp(150px, 20vw, 200px);
  }
}

@media (max-width: 1024px) and (min-width: 769px) {
  .kk-main {
    aspect-ratio: 16 / 9;
    max-height: 900px;
  }

  .kk-main__content {
    padding: clamp(64px, 10vh, 110px) 24px clamp(20px, 3vh, 36px);
    justify-content: center;
  }

  .kk-main__title {
    font-size: clamp(30px, 3.6vw, 48px);
  }

  .kk-main__player {
    width: min(560px, 68vw, 78vh);
    margin-top: clamp(12px, 2vh, 28px);
  }

  .kk-ot__teaching {
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
  }


  .kk-ot__teaching-visual {
    width: min(300px, 50%);
  }

  .kk-ot__guide-banner-copy {
    max-width: min(480px, 58%);
  }

  .kk-steps {
    gap: 16px;
  }
}

/* 모바일 */
@media (max-width: 768px) {
  :root {
    --sec-nav-h: 52px;
    --pc-pad: 16px;
    --pc-title: 20px;
    --pc-title-sm: 18px;
    --pc-body: 15px;
    --pc-gap: 16px;
  }

  .kk-header {
    padding: 14px 16px 0;
  }

  .kk-main {
    aspect-ratio: 440 / 509;
    width: 100%;
    height: auto;
    max-height: none;
    min-height: 0;
  }

  .kk-main__bg-video,
  .kk-main__bg-poster {
    display: none !important;
  }

  .kk-main__bg-mobile {
    display: block;
    background-size: 100% auto;
    background-position: center 34%;
  }

  .kk-main__stage {
    position: absolute;
    inset: 0;
  }

  .kk-main__content {
    height: 100%;
    min-height: 0;
    justify-content: center;
    padding: 20% 16px 22%;
  }

  .kk-logo {
    width: 100px;
    height: 25px;
  }

  .kk-main__title {
    font-size: clamp(22px, 6.4vw, 30px);
    line-height: 1.35;
    letter-spacing: -0.04em;
  }

  .kk-main__player {
    margin-top: clamp(12px, 3vw, 20px);
    width: 100%;
    max-width: 100%;
    border-radius: 12px;
  }

  .kk-main__player-frame,
  .kk-main__player-media,
  .kk-main__player-dim {
    border-radius: 12px;
  }

  .kk-main__play {
    width: 56px;
    height: 57px;
  }

  .kk-main__play img {
    width: 56px;
    height: 57px;
  }

  .kk-main__player-title,
  .kk-main__player-time {
    font-size: 12px;
    letter-spacing: -0.6px;
  }

  .kk-main__player-title {
    max-width: 68%;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .kk-main__player-time {
    left: auto;
    right: calc(28 / 793 * 100%);
  }

  .kk-prepare__inner {
    padding: 56px 16px 72px;
  }

  .kk-prepare__title {
    margin-bottom: 28px;
    font-size: 26px;
    letter-spacing: -0.04em;
  }

  .kk-progress__inner {
    padding: 56px 16px 72px;
  }

  .kk-progress__title {
    font-size: 21px;
    letter-spacing: -0.04em;
  }

  .kk-steps {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }

  .kk-step {
    max-width: none;
  }

  .kk-step:hover {
    transform: translateY(-8px);
  }

  .kk-step__head {
    min-height: 72px;
    gap: 12px;
    padding: 16px 18px;
  }

  .kk-step__num {
    width: 40px;
    height: 40px;
    font-size: 17px;
  }

  .kk-step__name {
    font-size: 20px;
  }

  .kk-step__body {
    padding: 22px 20px;
  }

  .kk-step__body ul {
    font-size: 15px;
    padding-left: 18px;
  }

  .kk-ot {
    padding: 0 0 100px;
  }

  .kk-ot__inner {
    padding: 0 16px;
  }

  .kk-ot__badge {
    display: none;
  }

  .kk-ot__title {
    min-height: 0;
    font-size: 24px;
  }

  .kk-ot__program {
    margin-top: 100px;
    padding: 0 16px;
  }

  .kk-ot__program .kk-ot__title {
    margin-bottom: 12px;
  }

  .kk-ot__program-desc {
    font-size: 15px;
  }

  .kk-br-mo {
    display: block;
  }

  .kk-ot__stage {
    --stage-radius: 620px;
    --stage-card-base-h: 166px;
    --stage-card-active-h: 210px;
    margin-top: 68px;
  }

  .kk-ot__stage-scene {
    height: calc(420px + var(--stage-grow-headroom));
  }

  .kk-ot__stage-wheel {
    top: calc(24px + var(--stage-grow-headroom));
  }

  .kk-ot__stage-card {
    width: 120px;
    height: var(--stage-card-base-h);
    border-radius: 10px;
  }

  .kk-ot__stage-card.is-near {
    width: 132px;
    height: 182px;
  }

  .kk-ot__stage-card.is-active {
    width: 152px;
    height: var(--stage-card-active-h);
  }

  .kk-ot__stage-label {
    bottom: 12px;
    font-size: 14px;
  }

  .kk-ot__stage-copy {
    margin-top: -106px;
  }

  .kk-ot__stage-brand {
    margin-bottom: 12px;
    font-size: 42px;
  }

  .kk-ot__stage-desc {
    margin-bottom: 40px;
    font-size: 15px;
  }

  .kk-ot__stage-cta {
    width: 100%;
    height: 56px;
    padding: 12px 20px;
    font-size: 16px;
  }

  .kk-ot__banner {
    margin-top: 48px;
    padding: 0 16px;
  }

  .kk-ot__banner-list {
    margin-top: 60px;
    gap: 10px;
  }

  .kk-ot__banner-item {
    border-radius: 10px;
  }

  .kk-ot__banner-placeholder {
    font-size: 13px;
  }

  .kk-ot__teaching {
    flex-direction: column;
    align-items: stretch;
    margin-top: 20px;
    padding: 24px 20px 16px;
    gap: 16px;
  }

  .kk-ot__teaching-copy {
    align-items: center;
    gap: 16px;
    text-align: center;
  }

  .kk-ot__teaching-title {
    font-size: 18px;
  }

  .kk-ot__teaching-cta {
    height: 44px;
    padding: 0 20px;
    font-size: 15px;
  }

  .kk-ot__teaching-cta img {
    width: 16px;
    height: 16px;
  }

  .kk-ot__teaching-visual {
    width: min(280px, 100%);
    margin: 0 auto;
  }

  .kk-ot__plan {
    margin-top: 80px;
    padding: 0;
    background-size: cover;
    background-position: center top;
  }

  .kk-ot__plan-title {
    font-size: 22px;
  }

  .kk-ot__plan-slide,
  .kk-ot__plan-card {
    width: 180px;
  }

  .kk-ot__plan-card {
    gap: 10px;
  }

  .kk-ot__plan-dl {
    right: 6px;
    bottom: 6px;
    width: 40px;
    height: 40px;
  }

  .kk-ot__plan-label {
    font-size: 14px;
    white-space: normal;
  }

  .kk-ot__plan-all {
    margin-top: 40px;
    padding: 14px 22px;
    font-size: 16px;
  }

  .kk-ot__guide-banner {
    height: 300px;
    border-radius: 10px;
  }

  .kk-ot__guide-banner>a>img {
    height: 100%;
    object-fit: cover;
  }

  .kk-ot__guide-banner-copy {
    left: 16px;
    right: 16px;
    top: 30%;
    max-width: none;
    gap: 12px;
  }

  .kk-ot__guide-banner-title {
    line-height: 1.3;
  }

  .kk-ot__guide-banner-cta {
    height: 36px;
    padding: 0 16px;
    font-size: 14px;
  }

  .kk-ot__guide-banner-cta img {
    width: 14px;
    height: 14px;
  }

  .kk-ot__guide-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-top: 24px;
    padding: 0;
    overflow: visible;
  }

  .kk-ot__guide-cards .kk-ot__plan-card {
    flex: none;
    width: 100%;
    max-width: none;
  }

  .kk-ot__grid--sm {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .kk-ot__grid--lg {
    grid-template-columns: 1fr;
    margin-top: 20px;
  }

  .kk-ot__progress {
    flex-direction: column;
    align-items: center;
    gap: 28px;
  }

  .kk-ot__slider-row {
    width: 100%;
    gap: 8px;
  }

  .kk-ot__nav {
    width: 40px;
    height: 40px;
  }

  .kk-ot__nav img {
    width: 24px;
    height: 24px;
  }

  .kk-ot__swiper {
    flex: 1 1 auto;
    width: auto;
    max-width: calc(100% - 96px);
    height: auto;
  }

  .kk-ot__page.swiper-pagination {
    bottom: 12px;
    min-width: 44px;
    height: 26px;
    font-size: 12px;
  }

  .kk-ot__aside {
    width: 100%;
    justify-content: center;
    gap: 12px;
  }

  .kk-ot__aside .kk-ot__item {
    width: calc(50% - 6px);
    max-width: 225px;
  }

  .kk-ot__item {
    gap: 10px;
  }

  .kk-ot__label {
    font-size: 14px;
  }

  .kk-ot__action--sm {
    right: 8px;
    bottom: 8px;
    width: 36px;
    height: 36px;
  }

  .kk-ot__action--sm img {
    width: 16px;
    height: 16px;
  }

  .kk-ot__action--lg {
    right: 12px;
    bottom: 12px;
    width: 48px;
    height: 48px;
  }

  .kk-ot__action--lg img {
    width: 20px;
    height: 20px;
  }

  .kk-ot__action--play {
    right: 4px;
    bottom: 4px;
    width: 56px;
    height: 56px;
  }

  .kk-ot__action--play img {
    width: 56px;
    height: 56px;
  }

  .kk-checklist {
    gap: 12px;
  }

  .kk-check {
    min-height: 0;
    gap: 12px;
    padding: 16px 16px;
    border-radius: 10px;
  }

  .kk-check__main {
    gap: 12px;
  }

  .kk-check__icon {
    width: 36px;
    height: 36px;
  }

  .kk-check__text {
    font-size: 15px;
    letter-spacing: -0.04em;
  }

  .kk-mobile-menu__nav a {
    font-size: 15px;
    padding: 15px 14px;
  }
}

@media (max-width: 480px) {
  .kk-header {
    padding: 12px 14px 0;
  }

  .kk-main__content {
    padding: 18% 14px 20%;
  }

  .kk-main__title {
    font-size: 30px;
  }

  .kk-main__player {
    margin-top: 14px;
    border-radius: 10px;
  }

  .kk-main__player-frame,
  .kk-main__player-media,
  .kk-main__player-dim {
    border-radius: 10px;
  }

  .kk-main__play {
    width: 48px;
    height: 49px;
  }

  .kk-main__play img {
    width: 48px;
    height: 49px;
  }

  .kk-main__player-title,
  .kk-main__player-time {
    font-size: 11px;
  }
}