/* ==============================
   About Page Common
============================== */

.sub-main {
  padding-top: var(--header-height);
  background: #fff;
  color: #171717;
}

.mo-only {
  display: none;
}

:root {
  --about-orange: var(--main-orange, #ff7900);
  --about-black: #151515;
  --about-gray: #666;
  --about-soft: #f6f2ed;
  --about-cream: #fff7ef;
  --about-line: rgba(0, 0, 0, 0.08);
  --about-inner: min(1280px, calc(100% - 80px));
}

.sub-main h2,
.sub-main h3,
.sub-main h4,
.sub-main p,
.sub-main span,
.sub-main a {
  word-break: keep-all;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: var(--about-orange);
  font-size: 12px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.section-label::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--about-orange);
}

/* ==============================
   Sub Visual
============================== */

.sub-visual {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: hidden;
  border-radius: 0 0 72px 72px;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  isolation: isolate;
}

.sub-visual--about {
  background-image: url("../img/sub_about_visual.jpg");
}

.sub-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.78) 0%,
      rgba(0, 0, 0, 0.52) 46%,
      rgba(0, 0, 0, 0.18) 100%
    );
  pointer-events: none;
}

.sub-visual::after {
  content: "";
  position: absolute;
  right: -28px;
  bottom: -28px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.08);
  font-size: clamp(120px, 18vw, 260px);
  line-height: 0.8;
  font-weight: 900;
  letter-spacing: -0.12em;
  pointer-events: none;
}

.sub-visual__dim {
  display: none;
}

.sub-visual__inner {
  position: relative;
  z-index: 3;
  width: var(--about-inner);
  height: 100%;
  margin: 0 auto;

  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;

  text-align: left;
  animation: aboutReveal 0.8s ease both;
}

.sub-visual__eyebrow {
  display: inline-flex;
  margin-bottom: 22px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);

  color: #fff;
  font-size: 13px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.sub-visual__title {
  max-width: 760px;
  margin: 0;
  color: #fff;
  font-size: 64px;
  line-height: 1.08;
  font-weight: 800;
}

.sub-visual__desc {
  max-width: 620px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.72;
  font-weight: 400;
  letter-spacing: -0.04em;
}

@keyframes aboutReveal {
  0% {
    opacity: 0;
    transform: translateY(18px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==============================
   About Intro
============================== */

.about-intro {
  position: relative;
  padding: 140px 0 130px;
  background: #fff;
  overflow: hidden;
}

.about-intro__inner {
  width: var(--about-inner);
  margin: 0 auto;

  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 84px;
}

.about-intro__text h3 {
  margin: 0;
  color: var(--about-black);
  font-size: 48px;
  line-height: 1.22;
  font-weight: 700;
  letter-spacing: -0.08em;
}

.about-intro__text h3 strong {
  color: var(--about-orange);
  font-weight: 900;
}

.about-intro__text p {
  max-width: 560px;
  margin: 32px 0 0;
  color: #3d3d3d;
  font-size: 17px;
  line-height: 1.84;
  font-weight: 450;
  letter-spacing: -0.045em;
}

.about-intro__keyword {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 38px;
}

.about-intro__keyword span {
  display: inline-flex;
  padding: 11px 16px;
  border: 1px solid var(--about-line);
  border-radius: 999px;
  background: #fff;
  color: var(--about-black);

  font-size: 14px;
  line-height: 1;
  font-weight: 760;
  letter-spacing: -0.025em;
}

.about-intro__media {
  position: relative;
  height: 560px;
}

.about-intro__img {
  position: absolute;
  overflow: hidden;
  margin: 0;
  border-radius: 32px;
  background: #ddd;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.12);
}

.about-intro__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.75s ease;
}

.about-intro__img:hover img {
  transform: scale(1.045);
}

.about-intro__img--main {
  right: 0;
  top: 0;
  width: 72%;
  height: 360px;
}

.about-intro__img--sub01 {
  left: 0;
  bottom: 40px;
  width: 42%;
  height: 260px;
  z-index: 2;
}

.about-intro__img--sub02 {
  right: 92px;
  bottom: 0;
  width: 38%;
  height: 210px;
  z-index: 3;
}

.about-intro__badge {
  position: absolute;
  left: 42px;
  top: 52px;
  z-index: 4;
  width: 174px;
  height: 174px;
  padding: 24px;
  border-radius: 50%;
  background: var(--about-orange);
  color: #fff;
  box-shadow: 0 28px 70px rgba(255, 121, 0, 0.32);

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.about-intro__badge strong {
  font-size: 34px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.08em;
}

.about-intro__badge span {
  margin-top: 10px;
  font-size: 11px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ==============================
   About Slogan
============================== */

.about-slogan {
  position: relative;
  overflow: hidden;
  padding: 118px 0 126px;
  background: #111;
  color: #fff;
}

.about-slogan__track {
  position: absolute;
  left: 0;
  top: 34px;
  z-index: 1;
  width: max-content;
  display: flex;
  gap: 38px;
  white-space: nowrap;
  animation: aboutMarquee 24s linear infinite;
  pointer-events: none;
}

.about-slogan__track span {
  color: rgba(255, 255, 255, 0.08);
  font-size: 72px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.07em;
}

@keyframes aboutMarquee {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

.about-slogan__inner {
  position: relative;
  z-index: 2;
  width: min(980px, calc(100% - 80px));
  margin: 0 auto;
  text-align: center;
}

.about-slogan .section-label {
  justify-content: center;
  color: var(--about-orange);
}

.about-slogan .section-label::before {
  background: var(--about-orange);
}

.about-slogan h3 {
  margin: 0;
  color: #fff;
  font-size: 48px;
  line-height: 1.32;
  font-weight: 600;
  letter-spacing: -0.08em;
}

.about-slogan h3 strong {
  color: var(--about-orange);
  font-weight: 900;
}

.about-slogan p {
  max-width: 720px;
  margin: 30px auto 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  line-height: 1.82;
  font-weight: 400;
  letter-spacing: -0.04em;
}
/* ==============================
   About Field
============================== */

.about-field {
  position: relative;
  padding: 136px 0 140px;
  background:
    radial-gradient(circle at 8% 18%, rgba(255, 121, 0, 0.08) 0, transparent 24%),
    linear-gradient(180deg, #fff 0%, #f8f5f1 100%);
  overflow: hidden;
}

.about-field::after {
  content: "PROCESS";
  position: absolute;
  right: -18px;
  bottom: 34px;
  color: rgba(0, 0, 0, 0.035);
  font-size: 150px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.08em;
  pointer-events: none;
}

.about-field__inner {
  position: relative;
  z-index: 2;
  width: var(--about-inner);
  margin: 0 auto;

  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 74px;
  align-items: start;
}

.about-field__head {
  position: sticky;
  top: calc(var(--header-height) + 40px);
}

.about-field__head h3 {
  margin: 0;
  color: var(--about-black);
  font-size: 44px;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -0.08em;
}
.about-field__head h3 strong {
  color: var(--about-orange);
  font-weight: 900;
}
.about-field__head p {
  max-width: 460px;
  margin: 28px 0 0;
  color: var(--about-gray);
  font-size: 16px;
  line-height: 1.78;
  font-weight: 400;
  letter-spacing: -0.04em;
}

.about-field__list {
  position: relative;
  display: grid;
  gap: 18px;
}

.about-field__list::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 34px;
  bottom: 34px;
  width: 1px;
  background: linear-gradient(
    180deg,
    rgba(255, 121, 0, 0),
    rgba(255, 121, 0, 0.35),
    rgba(255, 121, 0, 0)
  );
  pointer-events: none;
}

.about-field__card {
  position: relative;
  min-height: 168px;
  padding: 30px 36px 30px 92px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.075);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.055);

  display: flex;
  flex-direction: column;
  justify-content: center;

  transition:
    transform 0.34s ease,
    box-shadow 0.34s ease,
    border-color 0.34s ease;
}

.about-field__card:nth-child(2) {
  transform: translateX(36px);
}

.about-field__card:nth-child(3) {
  transform: translateX(72px);
}

.about-field__card:hover {
  border-color: rgba(255, 121, 0, 0.32);
  box-shadow: 0 30px 86px rgba(0, 0, 0, 0.095);
}

.about-field__card:nth-child(1):hover {
  transform: translateY(-6px);
}

.about-field__card:nth-child(2):hover {
  transform: translateX(36px) translateY(-6px);
}

.about-field__card:nth-child(3):hover {
  transform: translateX(72px) translateY(-6px);
}

.about-field__card span {
  position: absolute;
  left: 24px;
  top: 30px;

  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #fff4ea;
  color: var(--about-orange);

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 18px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.04em;
  box-shadow: 0 12px 30px rgba(255, 121, 0, 0.16);
}

.about-field__card h4 {
  margin: 0 0 12px;
  color: var(--about-black);
  font-size: 28px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.06em;
}

.about-field__card p {
  max-width: 500px;
  margin: 0;
  color: #4a4a4a;
  font-size: 15px;
  line-height: 1.72;
  font-weight: 400;
  letter-spacing: -0.04em;
}


/* ==============================
   About Video
============================== */

.about-video {
  position: relative;
  padding: 112px 0 130px;
  overflow: hidden;
  border-radius: 72px 72px 0 0;
  background: #090909;
}

.about-video__inner {
  width: var(--about-inner);
  margin: 0 auto;

  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 58px;
}

.about-video__text h3 {
  margin: 28px 0 0;
  color: #fff;
  font-size: 44px;
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -0.08em;
}

.about-video__text p {
  max-width: 420px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 16px;
  line-height: 1.78;
  font-weight: 400;
  letter-spacing: -0.04em;
}

.youtube-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.youtube-badge span {
  position: relative;
  width: 38px;
  height: 26px;
  border-radius: 8px;
  background: #ff1d1d;
}

.youtube-badge span::after {
  content: "";
  position: absolute;
  left: 15px;
  top: 8px;
  border-left: 10px solid #fff;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}

.about-video__thumb {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 34px;
  background: #222;
  box-shadow: 0 36px 96px rgba(0, 0, 0, 0.45);
}

.about-video__thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.04) 0%,
      rgba(0, 0, 0, 0.34) 100%
    );
  pointer-events: none;
}

.about-video__thumb img {
  width: 100%;
  height: 470px;
  object-fit: cover;
  transition: transform 0.75s ease;
}

.about-video__thumb:hover img {
  transform: scale(1.035);
}

.about-video__play {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  width: 82px;
  height: 58px;
  transform: translate(-50%, -50%);
  border-radius: 18px;
  background: #ff1d1d;
  box-shadow: 0 20px 54px rgba(0, 0, 0, 0.34);
  transition: transform 0.3s ease;
}

.about-video__thumb:hover .about-video__play {
  transform: translate(-50%, -50%) scale(1.06);
}

.about-video__play::after {
  content: "";
  position: absolute;
  left: 34px;
  top: 18px;
  border-left: 18px solid #fff;
  border-top: 11px solid transparent;
  border-bottom: 11px solid transparent;
}

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

@media screen and (max-width: 1440px) {
  :root {
    --about-inner: min(1180px, calc(100% - 80px));
  }
}

@media screen and (max-width: 1280px) {
  :root {
    --about-inner: calc(100% - 80px);
  }

  .about-intro__inner,
  .about-field__inner,
  .about-video__inner {
    gap: 54px;
  }

  .about-intro__text h3,
  .about-slogan h3,
  .about-field__head h3,
  .about-video__text h3 {
    font-size: 40px;
  }
}

@media screen and (max-width: 1024px) {
  .sub-visual {
    height: 440px;
    border-radius: 0 0 54px 54px;
  }

  .sub-visual__title {
    font-size: 52px;
  }

  .about-intro {
    padding: 108px 0 100px;
  }

  .about-intro__inner,
  .about-field__inner,
  .about-video__inner {
    grid-template-columns: 1fr;
  }

  .about-intro__media {
    height: 520px;
  }

  .about-field__head {
    position: relative;
    top: auto;
  }

  .about-video__thumb img {
    height: 420px;
  }
}

@media screen and (max-width: 768px) {
  :root {
    --about-inner: calc(100% - 40px);
  }

  .sub-main {
    padding-top: 72px;
  }

  .mo-only {
    display: block;
  }

  .section-label {
    margin-bottom: 18px;
    font-size: 12px;
  }

  .sub-visual {
    height: 360px;
    border-radius: 0 0 38px 38px;
  }

  .sub-visual::before {
    background:
      linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.66) 0%,
        rgba(0, 0, 0, 0.48) 100%
      );
  }

  .sub-visual::after {
    right: -16px;
    bottom: -10px;
    font-size: 120px;
  }

  .sub-visual__inner {
    align-items: center;
    text-align: center;
  }

  .sub-visual__eyebrow {
    margin-bottom: 16px;
    font-size: 11px;
  }

  .sub-visual__title {
    font-size: 38px;
    line-height: 1.16;
  }

  .sub-visual__desc {
    margin-top: 20px;
    font-size: 14.5px;
    line-height: 1.62;
  }

  .about-intro,
  .about-field {
    padding: 82px 0;
  }

  .about-slogan {
    padding: 82px 0 88px;
  }

  .about-video {
    padding: 78px 0 88px;
    border-radius: 44px 44px 0 0;
  }

  .about-intro__text,
  .about-field__head,
  .about-video__text {
    text-align: center;
  }

  .about-intro__text h3,
  .about-slogan h3,
  .about-field__head h3,
  .about-video__text h3 {
    font-size: 29px;
    line-height: 1.36;
  }

  .about-intro__text p,
  .about-slogan p,
  .about-field__head p,
  .about-field__card p,
  .about-video__text p {
    font-size: 14.5px;
    line-height: 1.72;
  }

  .about-intro__text p,
  .about-field__head p,
  .about-video__text p {
    margin-left: auto;
    margin-right: auto;
  }

  .about-intro__keyword {
    justify-content: center;
    margin-top: 28px;
  }

  .about-intro__media {
    height: 420px;
  }

  .about-intro__img {
    border-radius: 24px;
  }

  .about-intro__img--main {
    width: 78%;
    height: 260px;
  }

  .about-intro__img--sub01 {
    width: 46%;
    height: 190px;
    bottom: 36px;
  }

  .about-intro__img--sub02 {
    right: 36px;
    width: 42%;
    height: 160px;
  }

  .about-intro__badge {
    left: 18px;
    top: 34px;
    width: 126px;
    height: 126px;
    padding: 18px;
  }

  .about-intro__badge strong {
    font-size: 25px;
  }

  .about-intro__badge span {
    font-size: 10px;
  }

  .about-slogan__track span {
    font-size: 48px;
  }
   .about-field {
    padding: 82px 0;
  }

  .about-field::after {
    right: -10px;
    bottom: 24px;
    font-size: 76px;
  }

  .about-field__inner {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .about-field__head {
    position: relative;
    top: auto;
    text-align: center;
  }

  .about-field__head h3 {
    font-size: 29px;
    line-height: 1.36;
  }

  .about-field__head p {
    max-width: 330px;
    margin: 22px auto 0;
    font-size: 14.5px;
    line-height: 1.72;
  }

  .about-field__list {
    gap: 16px;
  }

  .about-field__list::before {
    display: none;
  }

  .about-field__card,
  .about-field__card:nth-child(2),
  .about-field__card:nth-child(3) {
    min-height: 156px;
    padding: 30px 24px 28px;
    border-radius: 24px;
    transform: none;

    align-items: center;
    text-align: center;
  }

  .about-field__card:hover,
  .about-field__card:nth-child(1):hover,
  .about-field__card:nth-child(2):hover,
  .about-field__card:nth-child(3):hover {
    transform: none;
  }

  .about-field__card span {
    position: static;
    width: auto;
    height: auto;
    margin-bottom: 14px;
    padding: 7px 12px;
    border-radius: 999px;

    font-size: 13px;
    box-shadow: none;
  }

  .about-field__card h4 {
    margin-bottom: 10px;
    font-size: 24px;
  }

  .about-field__card p {
    max-width: 290px;
    font-size: 13.5px;
    line-height: 1.65;
  }
  
  .about-video__inner {
    gap: 38px;
  }

  .youtube-badge {
    justify-content: center;
  }

  .about-video__thumb {
    border-radius: 24px;
  }

  .about-video__thumb img {
    height: 280px;
  }

  .about-video__play {
    width: 66px;
    height: 48px;
    border-radius: 14px;
  }

  .about-video__play::after {
    left: 28px;
    top: 15px;
    border-left-width: 14px;
    border-top-width: 9px;
    border-bottom-width: 9px;
  }

  .about-intro__img:hover img,
  .about-video__thumb:hover img {
    transform: none;
  }

  .about-field__card:hover {
    transform: none;
  }
}

@media screen and (max-width: 430px) {
  :root {
    --about-inner: calc(100% - 32px);
  }

  .sub-visual {
    height: 320px;
  }

  .sub-visual__title {
    font-size: 32px;
  }

  .sub-visual__desc {
    font-size: 14px;
  }

  .about-intro__text h3,
  .about-slogan h3,
  .about-field__head h3,
  .about-video__text h3 {
    font-size: 25px;
  }

  .about-intro__media {
    height: 360px;
  }

  .about-intro__img--main {
    height: 220px;
  }

  .about-intro__img--sub01 {
    height: 160px;
  }

  .about-intro__img--sub02 {
    height: 140px;
    right: 20px;
  }

  .about-intro__badge {
    width: 108px;
    height: 108px;
  }

  .about-intro__badge strong {
    font-size: 22px;
  }

  .about-intro__badge span {
    font-size: 9px;
  }

  .about-video__thumb img {
    height: 230px;
  }
}

@media screen and (max-width: 375px) {
  :root {
    --about-inner: calc(100% - 28px);
  }

  .sub-visual__title {
    font-size: 30px;
  }

  .about-intro__text h3,
  .about-slogan h3,
  .about-field__head h3,
  .about-video__text h3 {
    font-size: 23px;
  }

  .about-intro__media {
    height: 330px;
  }

  .about-video__thumb img {
    height: 210px;
  }
}

/* ==============================
   Motion Reduce
============================== */

@media (prefers-reduced-motion: reduce) {
  .sub-visual__inner,
  .about-slogan__track,
  .about-intro__img img,
  .about-field__card,
  .about-video__thumb img,
  .about-video__play {
    animation: none;
    transition: none;
  }
}