/* ==============================
   Operation Page
============================== */

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

.mo-only {
  display: none;
}

:root {
  --op-orange: var(--main-orange, #ff7900);
  --op-black: #171717;
  --op-text: #333;
  --op-muted: #747474;
  --op-line: rgba(0, 0, 0, 0.08);
  --op-bg: #f7f7f5;
  --op-soft: #fff7ef;
  --op-radius-lg: 34px;
  --op-radius-md: 24px;
  --op-shadow: 0 24px 70px rgba(0, 0, 0, 0.08);
  --op-inner: min(1280px, calc(100% - 80px));
}

.operation-main section {
  position: relative;
}

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

.op-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;

  color: var(--op-orange);
  font-size: 13px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.op-label::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--op-orange);
}
/* ==============================
   Visual
============================== */

.op-visual {
  position: relative;
  width: 100%;
  height: 520px;
  overflow: hidden;
  border-radius: 0 0 72px 72px;
  background-image: url("../img/op_visual.jpg");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  isolation: isolate;
}

.op-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;
}

.op-visual::after {
  content: "";
  position: absolute;
  right: -28px;
  bottom: -28px;
  z-index: 2;
  color: rgba(255, 255, 255, 0.08);
  font-size: clamp(110px, 16vw, 230px);
  line-height: 0.8;
  font-weight: 900;
  letter-spacing: -0.12em;
  pointer-events: none;
}

.op-visual__dim {
  display: none;
}

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

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

  text-align: left;
  animation: opHeroReveal 0.8s ease forwards;
}

.op-visual__inner h2 {
  max-width: 760px;
  margin: 0;
  color: #fff;
  font-size: 64px;
  line-height: 1.08;
  font-weight: 800;

}

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

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

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
/* ==============================
   Intro
============================== */

.op-intro {
  position: relative;
  padding: 118px 0 112px;
  background: #fff;
  overflow: hidden;
}

.op-intro::before {
  content: "OPERATION DESIGN";
  position: absolute;
  right: -22px;
  bottom: 30px;
  z-index: 0;
  color: rgba(0, 0, 0, 0.035);
  font-size: 118px;
  line-height: 0.9;
  font-weight: 900;
  letter-spacing: -0.09em;
  pointer-events: none;
}

.op-intro::after {
  content: "";
  position: absolute;
  left: 8%;
  top: 96px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 121, 0, 0.055);
  filter: blur(30px);
  pointer-events: none;
}

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

  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 76px;
  align-items: center;
}

.op-intro__head {
  position: relative;
}

.op-intro__head h3 {
  max-width: 680px;
  margin: 0;
  color: var(--op-black);
  font-size: 42px;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -0.075em;
}

.op-intro__head h3 strong {
  color: var(--op-orange);
  font-weight: 800;
}

.op-intro__body {
  position: relative;
  min-height: 330px;
  padding: 46px 48px 42px;
  overflow: hidden;
  border: 1px solid var(--op-line);
  border-radius: var(--op-radius-lg);
  background:
    linear-gradient(135deg, #fff 0%, #fffaf5 100%);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.065);
}

.op-intro__mark {
  display: inline-flex;
  margin-bottom: 30px;
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--op-soft);
  color: var(--op-orange);

  font-size: 13px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.op-intro__body p {
  position: relative;
  z-index: 2;
  max-width: 540px;
  margin: 0;
  color: var(--op-text);
  font-size: 17px;
  line-height: 1.82;
  font-weight: 400;
  letter-spacing: -0.04em;
}

.op-intro__keywords {
  position: relative;
  z-index: 2;

  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 34px;
}

.op-intro__keywords span {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;

  min-height: 54px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 121, 0, 0.14);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(10px);

  color: var(--op-black);
  font-size: 14px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.035em;

  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.op-intro__keywords span:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 121, 0, 0.3);
  box-shadow: 0 16px 38px rgba(255, 121, 0, 0.08);
}

.op-intro__keywords span em {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--op-orange);
  color: #fff;

  font-style: normal;
  font-size: 11px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.02em;
}
/* ==============================
   Feature
============================== */

.op-feature {
  padding: 112px 0 124px;
  overflow: hidden;
  background: var(--op-bg);
}

.op-feature::after {
  content: "SYSTEM";
  position: absolute;
  right: -18px;
  bottom: 24px;
  color: rgba(0, 0, 0, 0.035);
  font-size: 150px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.08em;
  pointer-events: none;
}

.op-feature__inner {
  position: relative;
  z-index: 2;
  width: var(--op-inner);
  margin: 0 auto;
}

.op-feature__head {
  max-width: 740px;
  margin-bottom: 58px;
}

.op-feature__head h3 {
  margin: 0;
  color: var(--op-black);
  font-size: 40px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.07em;
}

.op-feature__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.op-feature__card {
  position: relative;
  min-height: 300px;
  padding: 34px 30px;
  overflow: hidden;
  border: 1px solid var(--op-line);
  border-radius: var(--op-radius-lg);
  background: #fff;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.05);

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

  transition:
    transform 0.32s ease,
    box-shadow 0.32s ease,
    border-color 0.32s ease;
}

.op-feature__card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 121, 0, 0.28);
  box-shadow: var(--op-shadow);
}

.op-feature__num {
  position: absolute;
  right: 28px;
  top: 24px;
  color: rgba(255, 121, 0, 0.16);
  font-size: 54px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.08em;
}

.op-feature__icon {
  width: 64px;
  height: 64px;
  margin-bottom: 34px;
}

.op-feature__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.op-feature__card h4 {
  margin: 0 0 14px;
  color: var(--op-black);
  font-size: 24px;
  line-height: 1.34;
  font-weight: 800;
  letter-spacing: -0.055em;
}

.op-feature__card p {
  margin: 0;
  color: var(--op-muted);
  font-size: 15px;
  line-height: 1.7;
  font-weight: 400;
  letter-spacing: -0.04em;
}

/* ==============================
   Compare
============================== */

.op-compare {
  padding: 112px 0 120px;
  background: #111;
  color: #fff;
  overflow: hidden;
}

.op-compare::after {
  content: "VS";
  position: absolute;
  right: 7%;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.055);
  font-size: 220px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.12em;
  pointer-events: none;
}

.op-compare__inner {
  position: relative;
  z-index: 2;
  width: var(--op-inner);
  margin: 0 auto;
}

.op-compare__head {
  max-width: 760px;
  margin-bottom: 54px;
}

.op-compare .op-label {
  color: var(--op-orange);
}

.op-compare__head h3 {
  margin: 0;
  color: #fff;
  font-size: 40px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.07em;
}

.op-compare__head h3 strong {
  color: var(--op-orange);
  font-weight: 800;
}

.op-compare__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.op-compare__card {
  position: relative;
  min-height: 300px;
  padding: 42px 44px;
  overflow: hidden;
  border-radius: var(--op-radius-lg);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.op-compare__card span {
  position: absolute;
  left: 34px;
  top: 30px;
  display: inline-flex;
  padding: 9px 14px;
  border-radius: 999px;

  font-size: 13px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.op-compare__card h4 {
  margin: 0 0 16px;
  font-size: 30px;
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.065em;
}

.op-compare__card p {
  max-width: 500px;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  font-weight: 400;
  letter-spacing: -0.04em;
}

.op-compare__card--dark {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #1b1b1b;
}

.op-compare__card--dark span {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.72);
}

.op-compare__card--dark h4 {
  color: #fff;
}

.op-compare__card--dark p {
  color: rgba(255, 255, 255, 0.62);
}

.op-compare__card--point {
  background: var(--op-orange);
  color: #fff;
  box-shadow: 0 28px 80px rgba(255, 121, 0, 0.24);
}

.op-compare__card--point span {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.op-compare__card--point p {
  color: rgba(255, 255, 255, 0.88);
}

/* ==============================
   Partner
============================== */

.op-partner {
  padding: 112px 0 124px;
  background: #fff;
}

.op-partner__inner {
  width: var(--op-inner);
  margin: 0 auto;

  display: grid;
  grid-template-columns: minmax(420px, 560px) 1fr;
  align-items: stretch;
  gap: 42px;
}

.op-partner__img {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-radius: var(--op-radius-lg);
  background: #ddd;
  box-shadow: var(--op-shadow);
}

.op-partner__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(0, 0, 0, 0) 42%,
      rgba(0, 0, 0, 0.3) 100%
    );
  pointer-events: none;
}

.op-partner__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.op-partner__img:hover img {
  transform: scale(1.045);
}

.op-partner__text {
  position: relative;
  padding: 48px;
  border: 1px solid var(--op-line);
  border-radius: var(--op-radius-lg);
  background: var(--op-bg);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.05);

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

.op-partner__text h3 {
  max-width: 600px;
  margin: 0;
  color: var(--op-black);
  font-size: 40px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.07em;
}

.op-partner__text p {
  max-width: 560px;
  margin: 28px 0 0;
  color: var(--op-text);
  font-size: 16px;
  line-height: 1.78;
  font-weight: 400;
  letter-spacing: -0.04em;
}

.op-partner__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.op-partner__tags span {
  display: inline-flex;
  padding: 10px 14px;
  border-radius: 999px;
  background: #fff;
  color: var(--op-black);

  font-size: 13px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.op-partner__title span {
  position: relative;
  display: inline-block;
  color: var(--op-orange);
  font-weight: 800;
}

/* ==============================
   Category
============================== */

.op-category {
  padding: 112px 0 140px;
  background: var(--op-bg);
  overflow: hidden;
}

.op-category__inner {
  width: var(--op-inner);
  margin: 0 auto;
}

.op-category__head {
  max-width: 780px;
  margin-bottom: 58px;
}

.op-category__head h3 {
  margin: 0;
  color: var(--op-black);
  font-size: 42px;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -0.075em;
}

.op-category__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 230px;
  gap: 18px;
}

.op-category__item {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background: #ddd;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.05);
  isolation: isolate;
}

.op-category__grid .op-category__item:nth-child(4) {
  grid-column: 3 / span 2;
}

.op-category__item--large {
  grid-column: span 2;
  grid-row: span 2;
}


.op-category__item--wide {
  grid-column: span 2;
}

.op-category__item::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.02) 0%,
      rgba(0, 0, 0, 0.48) 100%
    );
  pointer-events: none;
}

.op-category__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform 0.7s ease,
    filter 0.7s ease;
}

.op-category__item:hover img {
  transform: scale(1.055);
  filter: saturate(1.04) contrast(1.03);
}

.op-category__item div {
  position: absolute;
  left: 24px;
  bottom: 24px;
  z-index: 2;
}

.op-category__item span {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);

  color: var(--op-black);
  font-size: 12px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.op-category__item h4 {
  margin: 0;
  color: #fff;
  font-size: 26px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.06em;
}

.op-category__item p {
  margin: 0;
  color: #fff;
  font-size: 15px;
  line-height: 1.8;
  font-weight: 400;
  letter-spacing: -0.06em;
}

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

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

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

  .op-intro__inner,
  .op-partner__inner {
    gap: 54px;
  }

  .op-intro__head h3,
  .op-feature__head h3,
  .op-compare__head h3,
  .op-partner__text h3,
  .op-category__head h3 {
    font-size: 38px;
  }

  .op-category__grid {
    grid-auto-rows: 210px;
  }
}

@media screen and (max-width: 1024px) {
  .op-visual {
    height: 390px;
    border-radius: 0 0 44px 44px;
  }

  .op-visual__inner h2 {
    font-size: 48px;
  }

  .op-intro__inner,
  .op-partner__inner {
    grid-template-columns: 1fr;
  }

  .op-feature__list,
  .op-compare__grid {
    grid-template-columns: 1fr;
  }

  .op-feature__card {
    min-height: 230px;
  }

  .op-partner__img {
    min-height: 360px;
  }

  .op-category__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 210px;
  }
}

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

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

  .mo-only {
    display: inline;
  }

  .op-label {
    justify-content: center;
    margin-bottom: 18px;
    font-size: 12px;
  }

  .op-visual {
    height: 330px;
    border-radius: 0 0 34px 34px;
  }

  .op-visual::before {
    background:
      linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.62) 0%,
        rgba(0, 0, 0, 0.46) 100%
      );
  }

  .op-visual::after {
    right: -12px;
    bottom: -8px;
    font-size: 72px;
  }

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

  .op-visual__eyebrow {
    margin-bottom: 14px;
    font-size: 11px;
  }

  .op-visual__inner h2 {
    max-width: 520px;
    font-size: 38px;
    line-height: 1.18;
  }

  .op-visual__inner span {
    max-width: 330px;
    margin-top: 20px;
    font-size: 14.5px;
    line-height: 1.62;
  }

  .op-intro,
  .op-feature,
  .op-compare,
  .op-partner,
  .op-category {
    padding: 78px 0;
  }

  .op-intro__head,
  .op-feature__head,
  .op-compare__head,
  .op-partner__text,
  .op-category__head {
    text-align: center;
  }

  .op-intro__head h3,
  .op-feature__head h3,
  .op-compare__head h3,
  .op-partner__text h3,
  .op-category__head h3 {
    font-size: 28px;
    line-height: 1.38;
  }

  .op-intro__body {
    padding: 30px 24px;
    border-radius: 24px;
    text-align: center;
  }

  .op-intro__body p,
  .op-feature__card p,
  .op-compare__card p,
  .op-partner__text p {
    font-size: 14.5px;
    line-height: 1.72;
  }

  .op-intro__keywords,
  .op-partner__tags {
    justify-content: center;
  }

  .op-feature::after,
  .op-compare::after {
    display: none;
  }

  .op-feature__head,
  .op-compare__head,
  .op-category__head {
    margin-bottom: 34px;
  }

  .op-feature__card {
    min-height: 210px;
    padding: 28px 24px;
    border-radius: 24px;
    text-align: left;
  }

  .op-feature__num {
    right: 24px;
    top: 22px;
    font-size: 44px;
  }

  .op-feature__icon {
    width: 54px;
    height: 54px;
    margin-bottom: 24px;
  }

  .op-feature__card h4 {
    font-size: 22px;
  }

  .op-compare__card {
    min-height: 250px;
    padding: 34px 28px;
    border-radius: 24px;
    text-align: left;
  }

  .op-compare__card span {
    left: 28px;
    top: 26px;
  }

  .op-compare__card h4 {
    font-size: 25px;
  }

  .op-partner__img {
    min-height: 260px;
    border-radius: 24px;
  }

  .op-partner__text {
    padding: 34px 24px;
    border-radius: 24px;
  }

  .op-category__grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 190px;
    gap: 14px;
  }

  .op-category__item,
  .op-category__item--large,
  .op-category__item--wide {
    grid-column: auto;
    grid-row: auto;
    border-radius: 24px;
  }

  .op-category__item div {
    left: 18px;
    bottom: 18px;
  }

  .op-category__item h4 {
    font-size: 22px;
  }

  .op-feature__card:hover,
  .op-category__item:hover img {
    transform: none;
  }

  .op-partner__img:hover img {
    transform: none;
  }
}

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

  .op-visual {
    height: 290px;
  }

  .op-visual__inner h2 {
    font-size: 32px;
  }

  .op-intro__head h3,
  .op-feature__head h3,
  .op-compare__head h3,
  .op-partner__text h3,
  .op-category__head h3 {
    font-size: 24px;
  }

  .op-feature__card {
    min-height: 198px;
  }

  .op-partner__img {
    min-height: 220px;
  }

  .op-category__grid {
    grid-auto-rows: 168px;
  }
}

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

  .op-visual__inner h2 {
    font-size: 30px;
  }

  .op-intro__head h3,
  .op-feature__head h3,
  .op-compare__head h3,
  .op-partner__text h3,
  .op-category__head h3 {
    font-size: 22px;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .op-visual__inner,
  .op-feature__card,
  .op-partner__img img,
  .op-category__item img,
  .op-answer__card,
  .op-answer__num,
  .op-answer__plus,
  .op-philosophy__rate article {
    animation: none;
    transition: none;
  }
}

.operation-main h3 strong,
.operation-main h4 strong,
.operation-main p strong {
  color: var(--op-orange);
  font-weight: 800;
}
/* ==============================
   Operation Intro - Answer Section
============================== */

.op-answer {
  padding: 108px 0 112px;
  background: #f3eadf;
  overflow: hidden;
}

.op-answer::before,
.op-answer::after {
  display: none;
}

.op-answer__inner {
  width: var(--op-inner);
  margin: 0 auto;
}

.op-answer__head {
  max-width: 880px;
  margin-bottom: 58px;
}

.op-answer__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  color: var(--op-orange);
  font-size: 14px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.op-answer__label::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--op-orange);
}

.op-answer__head h3 {
  margin: 0;
  color: #050505;
  font-size: 48px;
  line-height: 1.28;
  font-weight: 900;
  letter-spacing: -0.075em;
}

.op-answer__head h3 strong {
  display: block;
  color: var(--op-orange);
  font-size: 52px;
  font-weight: 900;
}

.op-answer__head p {
  margin: 28px 0 0;
  color: #151515;
  font-size: 18px;
  line-height: 1.75;
  font-weight: 500;
  letter-spacing: -0.045em;
}

.op-answer__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.op-answer__card {
  position: relative;
  min-height: 230px;
  padding: 34px 26px 30px;
  border: 1px solid rgba(91, 58, 25, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 14px 34px rgba(57, 38, 19, 0.04);
  transition:
    transform 0.32s ease,
    box-shadow 0.32s ease,
    border-color 0.32s ease,
    background 0.32s ease;
}

.op-answer__num {
  display: block;
  margin-bottom: 18px;
  color: rgba(255, 121, 0, 0.18);
  font-size: 38px;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.06em;
  transition:
    color 0.32s ease,
    transform 0.32s ease;
}

.op-answer__card h4 {
  margin: 0 0 18px;
  color: #050505;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: -0.055em;
  transition: color 0.32s ease;
}

.op-answer__card p {
  margin: 0;
  color: #111;
  font-size: 16px;
  line-height: 1.78;
  font-weight: 500;
  letter-spacing: -0.045em;
  transition: color 0.32s ease;
}

.op-answer__card--point {
  padding: 38px 28px 32px;
  background: linear-gradient(135deg, var(--op-orange) 0%, #df4d00 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 22px 54px rgba(255, 121, 0, 0.22);
}

.op-answer__plus {
  display: block;
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 46px;
  line-height: 1;
  font-weight: 300;
  transition:
    transform 0.32s ease,
    color 0.32s ease;
}

.op-answer__card--point h4 {
  color: #fff;
}

.op-answer__card--point p {
  color: #fff;
  font-weight: 700;
}
/* ==============================
   Operation Answer Card Hover
============================== */

.op-answer__card:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 121, 0, 0.42);
  background: #fff;
  box-shadow: 0 24px 56px rgba(57, 38, 19, 0.12);
}

.op-answer__card:hover .op-answer__num {
  color: rgba(255, 121, 0, 0.42);
  transform: translateY(-2px);
}

.op-answer__card:hover h4 {
  color: var(--op-orange);
}

/* 주황색 포인트 박스 hover */
.op-answer__card--point:hover {
  transform: translateY(-10px);
  background: linear-gradient(135deg, #ff7900 0%, #c94000 100%);
  box-shadow: 0 28px 64px rgba(255, 121, 0, 0.34);
}

.op-answer__card--point:hover h4,
.op-answer__card--point:hover p {
  color: #fff;
}

.op-answer__card--point:hover .op-answer__plus {
  transform: rotate(90deg);
  color: #fff;
}

/* ==============================
   Operation Philosophy Section
============================== */

.op-philosophy {
  position: relative;
  padding: 108px 0 116px;
  background: #17110e;
  color: #fff;
  overflow: hidden;
}

.op-philosophy__inner {
  width: var(--op-inner);
  max-width: 980px;
  margin: 0 auto;
}

.op-philosophy__head {
  text-align: center;
}

.op-philosophy__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  color: var(--op-orange);
  font-size: 13px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.op-philosophy__label::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--op-orange);
}

.op-philosophy__head h3 {
  margin: 0;
  color: #fff;
  font-size: 34px;
  line-height: 1.42;
  font-weight: 700;
  letter-spacing: -0.065em;
}

.op-philosophy__head h3 strong {
  color: var(--op-orange);
  font-weight: 700;
}

.op-philosophy__compare {
  position: relative;
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr 50px 1fr;
  align-items: stretch;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
}

.op-philosophy__box {
  min-height: 250px;
  padding: 34px 28px 32px;
}

.op-philosophy__box--normal {
  background: rgba(255, 255, 255, 0.035);
}

.op-philosophy__box--ndds {
  background:
    linear-gradient(
      135deg,
      rgba(255, 121, 0, 0.24) 0%,
      rgba(255, 121, 0, 0.1) 100%
    );
}

.op-philosophy__box h4 {
  margin: 0 0 28px;
  color: var(--op-orange);
  font-size: 15px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.op-philosophy__box ul {
  display: flex;
  flex-direction: column;
}

.op-philosophy__box li {
  position: relative;
  min-height: 42px;
  padding: 0 0 0 24px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 14.5px;
  line-height: 1.5;
  font-weight: 500;
  letter-spacing: -0.045em;
}

.op-philosophy__box li:last-child {
  border-bottom: 0;
}

.op-philosophy__box--normal li::before {
  content: "×";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: #ff784e;
  font-size: 20px;
  font-weight: 900;
}

.op-philosophy__box--ndds li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--op-orange);
  font-size: 16px;
  font-weight: 900;
}

.op-philosophy__vs {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--op-orange);
  font-size: 15px;
  line-height: 1;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.025);
}

.op-philosophy__desc {
  margin-top: 44px;
  text-align: center;
}

.op-philosophy__desc p {
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 15px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: -0.045em;
}

.op-philosophy__desc strong {
  color: var(--op-orange);
  font-weight: 700;
}

.op-philosophy__rate {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.op-philosophy__rate article {
  min-height: 112px;
  padding: 22px 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
  text-align: center;
}

.op-philosophy__rate article strong {
  display: block;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 30px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.op-philosophy__rate article span {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
  line-height: 1;
  font-weight: 600;
}

.op-philosophy__rate article p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  line-height: 1.45;
  font-weight: 400;
  letter-spacing: -0.045em;
}

.op-philosophy__rate article.is-active {
  border-color: var(--op-orange);
  background:
    linear-gradient(
      135deg,
      rgba(255, 121, 0, 0.24) 0%,
      rgba(255, 121, 0, 0.08) 100%
    );
}

.op-philosophy__rate article.is-active strong,
.op-philosophy__rate article.is-active span {
  color: var(--op-orange);
}

.op-philosophy__bottom {
  margin-top: 28px;
  text-align: center;
}

.op-philosophy__bottom p {
  margin: 0;
  color: #fff;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 600;
  letter-spacing: -0.045em;
}

.op-philosophy__bottom p strong {
  color: var(--op-orange);
  font-weight: 700;
}

.op-philosophy__bottom span {
  display: block;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.44);
  font-size: 12px;
  line-height: 1.5;
  font-weight: 500;
  letter-spacing: -0.035em;
}

/* ==============================
   Added Responsive
   op-answer / op-philosophy
============================== */

@media screen and (max-width: 1280px) {
  .op-answer__head h3 {
    font-size: 44px;
  }

  .op-answer__head h3 strong {
    font-size: 48px;
  }

  .op-answer__card {
    padding: 32px 24px 28px;
  }
}

@media screen and (max-width: 1024px) {
  .op-answer {
    padding: 92px 0 96px;
  }

  .op-answer__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .op-answer__head h3 {
    font-size: 40px;
  }

  .op-answer__head h3 strong {
    font-size: 44px;
  }

  .op-philosophy {
    padding: 92px 0 100px;
  }

  .op-philosophy__head h3 {
    font-size: 30px;
  }

  .op-philosophy__compare {
    grid-template-columns: 1fr;
  }

  .op-philosophy__vs {
    min-height: 48px;
  }

  .op-philosophy__box {
    min-height: auto;
  }
}

@media screen and (max-width: 768px) {
  .op-answer {
    padding: 78px 0 82px;
  }

  .op-answer__head {
    margin-bottom: 42px;
    text-align: left;
  }

  .op-answer__label {
    margin-bottom: 24px;
    font-size: 13px;
  }

  .op-answer__label::before {
    width: 28px;
  }

  .op-answer__head h3 {
    font-size: 32px;
    line-height: 1.34;
  }

  .op-answer__head h3 strong {
    font-size: 34px;
  }

  .op-answer__head p {
    margin-top: 22px;
    font-size: 15.5px;
    line-height: 1.72;
  }

  .op-answer__grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .op-answer__card {
    min-height: auto;
    padding: 30px 22px 28px;
    border-radius: 14px;
  }

  .op-answer__num {
    font-size: 34px;
  }

  .op-answer__card h4 {
    font-size: 19px;
  }

  .op-answer__card p {
    font-size: 14.5px;
    line-height: 1.72;
  }

  .op-answer__card:hover,
  .op-answer__card--point:hover {
    transform: none;
  }

  .op-philosophy {
    padding: 78px 0 84px;
  }

  .op-philosophy__head h3 {
    font-size: 26px;
    line-height: 1.45;
  }

  .op-philosophy__compare {
    margin-top: 42px;
  }

  .op-philosophy__box {
    padding: 30px 22px 28px;
  }

  .op-philosophy__box li {
    align-items: flex-start;
    min-height: auto;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .op-philosophy__box--normal li::before,
  .op-philosophy__box--ndds li::before {
    top: 13px;
    transform: none;
  }

  .op-philosophy__desc p {
    font-size: 14px;
  }

  .op-philosophy__rate {
    grid-template-columns: 1fr;
  }

  .op-philosophy__bottom p {
    font-size: 14px;
  }
}

@media screen and (max-width: 430px) {
  .op-answer {
    padding: 70px 0 74px;
  }

  .op-answer__head h3 {
    font-size: 28px;
  }

  .op-answer__head h3 strong {
    font-size: 31px;
  }

  .op-answer__head p {
    font-size: 14.5px;
  }

  .op-answer__card {
    padding: 28px 20px 26px;
  }

  .op-philosophy {
    padding: 70px 0 76px;
  }

  .op-philosophy__head h3 {
    font-size: 22px;
  }

  .op-philosophy__box li {
    font-size: 13.5px;
  }

  .op-philosophy__rate article strong {
    font-size: 28px;
  }
}

@media screen and (max-width: 375px) {
  .op-answer__head h3 {
    font-size: 26px;
  }

  .op-answer__head h3 strong {
    font-size: 29px;
  }

  .op-answer__card p {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .op-answer__card,
  .op-answer__num,
  .op-answer__plus,
  .op-philosophy__rate article {
    animation: none;
    transition: none;
  }
}