@charset "UTF-8";

:root {
  --bk-deep: #00021d;
  --bk-navy: #0f213b;
  --bk-blue: #1f385a;
  --bk-gold: #be8f4b;
  --bk-gold-soft: #e6d2a3;
  --bk-ink: #111827;
  --bk-muted: #68727f;
  --bk-paper: #f6f8fb;
  --bk-line: #dde3ec;
  --bk-white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--bk-ink);
  font-family: "Noto Sans KR", "Malgun Gothic", Arial, sans-serif;
  line-height: 1.65;
  background: var(--bk-white);
  word-break: keep-all;
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
}

.bk-page {
  min-width: 320px;
  overflow: hidden;
}

.bk-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.bk-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid rgba(15, 33, 59, 0.1);
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(12px);
}

.bk-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 96px;
  gap: 24px;
}

.bk-logo {
  display: inline-flex;
  align-items: center;
  width: 128px;
  flex: 0 0 auto;
}

.bk-logo img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

.bk-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--bk-navy);
  font-size: 15px;
  font-weight: 700;
}

.bk-nav a {
  position: relative;
  padding: 8px 0;
}

.bk-nav a::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  background: var(--bk-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
  content: "";
}

.bk-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.bk-menu-button {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--bk-line);
  border-radius: 8px;
  background: var(--bk-white);
  color: var(--bk-navy);
  cursor: pointer;
}

.bk-menu-button span,
.bk-menu-button::before,
.bk-menu-button::after {
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  content: "";
}

.bk-menu-button {
  flex-direction: column;
  gap: 5px;
}

.bk-hero {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  padding: 132px 0 86px;
  color: var(--bk-white);
  background: #101624;
}

.bk-hero::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(0, 2, 29, 0.86), rgba(15, 33, 59, 0.48) 48%, rgba(255, 255, 255, 0.12));
  content: "";
}

.bk-hero::after {
  position: absolute;
  inset: -18px;
  z-index: 0;
  background: url("../img/main_visual05.jpg") center 45%/cover no-repeat;
  transform: scale(1.08);
  animation: bkHeroImage 12s ease-out forwards;
  content: "";
}

.bk-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  align-items: end;
  min-height: 542px;
  gap: 56px;
}

.bk-eyebrow {
  margin: 0 0 18px;
  color: var(--bk-gold-soft);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.bk-hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: "Gilroy-bold", "Noto Sans KR", sans-serif;
  font-size: 62px;
  line-height: 1.16;
  letter-spacing: 0;
}

.bk-hero__copy {
  max-width: 650px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
  font-weight: 400;
}

.bk-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.bk-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 800;
  white-space: nowrap;
}

.bk-button--primary {
  background: var(--bk-gold);
  color: var(--bk-white);
}

.bk-button--ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--bk-white);
}

.bk-facts {
  display: grid;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.bk-hero .bk-eyebrow,
.bk-hero h1,
.bk-hero__copy,
.bk-hero__actions,
.bk-facts {
  opacity: 0;
  transform: translateY(20px);
  animation: bkHeroFadeUp 0.8s ease forwards;
}

.bk-hero .bk-eyebrow {
  animation-delay: 0.15s;
}

.bk-hero h1 {
  animation-delay: 0.3s;
}

.bk-hero__copy {
  animation-delay: 0.45s;
}

.bk-hero__actions {
  animation-delay: 0.6s;
}

.bk-facts {
  animation-delay: 0.75s;
}

@keyframes bkHeroImage {
  0% {
    transform: scale(1.08) translate3d(0, 0, 0);
  }
  100% {
    transform: scale(1) translate3d(-10px, 0, 0);
  }
}

@keyframes bkHeroFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .bk-hero::after,
  .bk-hero .bk-eyebrow,
  .bk-hero h1,
  .bk-hero__copy,
  .bk-hero__actions,
  .bk-facts {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

.bk-fact {
  padding: 22px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.bk-fact:last-child {
  border-bottom: 0;
}

.bk-fact strong {
  display: block;
  margin-bottom: 5px;
  color: var(--bk-gold-soft);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.bk-fact span {
  display: block;
  color: var(--bk-white);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.bk-section {
  padding: 96px 0;
}

.bk-section--paper {
  background: var(--bk-paper);
}

.bk-section__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 42px;
}

.bk-section__head h2 {
  margin: 0;
  color: var(--bk-navy);
  font-family: "Gilroy-bold", "Noto Sans KR", sans-serif;
  font-size: 42px;
  line-height: 1.18;
  letter-spacing: 0;
}

.bk-section__head h2 span {
  display: inline-block;
  margin-left: 12px;
  color: var(--bk-gold);
  font-family: "Noto Sans KR", "Malgun Gothic", sans-serif;
  font-size: 18px;
  font-weight: 800;
  vertical-align: middle;
}

.bk-section__head p {
  max-width: 520px;
  margin: 0;
  color: var(--bk-muted);
  font-size: 17px;
}

.bk-about {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 56px;
}

.bk-about__media {
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.bk-about__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bk-about__text h2 {
  margin: 0 0 24px;
  color: var(--bk-navy);
  font-size: 40px;
  line-height: 1.24;
  letter-spacing: 0;
}

.bk-about__text p {
  margin: 0 0 18px;
  color: #374151;
  font-size: 17px;
}

.bk-sign {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 2px solid var(--bk-gold);
  color: var(--bk-navy);
  font-weight: 800;
}

.bk-vision {
  background: linear-gradient(180deg, #ffffff 0%, #f6f8fb 100%);
  color: var(--bk-ink);
}

.bk-vision__inner {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr);
  align-items: center;
  gap: 44px;
}

.bk-vision__text {
  position: relative;
  padding: 42px 36px;
  border: 1px solid var(--bk-line);
  border-radius: 8px;
  background: var(--bk-white);
  box-shadow: 0 18px 46px rgba(15, 33, 59, 0.08);
}

.bk-vision__text::before {
  position: absolute;
  top: 28px;
  bottom: 28px;
  left: 0;
  width: 4px;
  background: var(--bk-gold);
  content: "";
}

.bk-vision__text .bk-eyebrow {
  color: var(--bk-gold);
}

.bk-vision__text h2 {
  margin: 0 0 20px;
  color: var(--bk-navy);
  font-size: 40px;
  line-height: 1.24;
  letter-spacing: 0;
}

.bk-vision__text p:last-child {
  max-width: 560px;
  margin: 0;
  color: #374151;
  font-size: 18px;
}

.bk-vision__image {
  padding: 34px;
  border: 1px solid var(--bk-line);
  border-radius: 8px;
  background: var(--bk-white);
  box-shadow: 0 22px 54px rgba(15, 33, 59, 0.12);
}

.bk-vision__image img {
  width: 100%;
  max-height: 430px;
  object-fit: contain;
}

.bk-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.bk-stat {
  min-height: 270px;
  padding: 30px 22px;
  border: 1px solid var(--bk-line);
  border-radius: 8px;
  background: var(--bk-white);
  text-align: center;
}

.bk-stat img {
  width: 58px;
  height: 58px;
  object-fit: contain;
  margin: 0 auto 18px;
}

.bk-stat p {
  min-height: 48px;
  margin: 0 0 12px;
  color: var(--bk-navy);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
}

.bk-stat p em {
  display: block;
  color: var(--bk-muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 600;
}

.bk-stat strong {
  display: block;
  min-height: 62px;
  margin-bottom: 12px;
  color: var(--bk-gold);
  font-family: "Gilroy-bold", Arial, sans-serif;
  font-size: 46px;
  line-height: 1.1;
}

.bk-stat span {
  display: block;
  color: var(--bk-muted);
  font-size: 14px;
  line-height: 1.55;
}

.bk-service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.bk-service {
  overflow: hidden;
  border: 1px solid var(--bk-line);
  border-radius: 8px;
  background: var(--bk-white);
}

.bk-service__image {
  aspect-ratio: 16 / 10;
  background: #d9dee7;
}

.bk-service__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.bk-service__body {
  padding: 24px;
}

.bk-service__body strong {
  display: block;
  margin-bottom: 10px;
  color: var(--bk-gold);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.bk-service__body h3 {
  margin: 0 0 10px;
  color: var(--bk-navy);
  font-size: 22px;
  line-height: 1.3;
}

.bk-service__body p {
  margin: 0;
  color: var(--bk-muted);
  font-size: 15px;
}

.bk-cert-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.bk-cert-tabs button {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--bk-line);
  border-radius: 8px;
  background: var(--bk-white);
  color: var(--bk-navy);
  font-weight: 800;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.bk-cert-tabs button.is-active,
.bk-cert-tabs button:hover {
  border-color: var(--bk-gold);
  background: var(--bk-navy);
  color: var(--bk-white);
}

.bk-cert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.bk-cert-card {
  overflow: hidden;
  border: 1px solid var(--bk-line);
  border-radius: 8px;
  background: var(--bk-white);
  box-shadow: 0 14px 34px rgba(15, 33, 59, 0.06);
}

.bk-cert-card[hidden] {
  display: none;
}

.bk-cert-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: top center;
  background: #edf1f7;
}

.bk-cert-card p {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  margin: 0;
  padding: 12px 14px;
  color: var(--bk-navy);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.bk-strength {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.bk-strength__item {
  padding: 30px 28px;
  border-top: 4px solid var(--bk-gold);
  background: var(--bk-white);
}

.bk-strength__item span {
  display: block;
  margin-bottom: 18px;
  color: var(--bk-navy);
  font-family: "Gilroy-bold", Arial, sans-serif;
  font-size: 34px;
  line-height: 1;
}

.bk-strength__item h3 {
  margin: 0 0 12px;
  color: var(--bk-navy);
  font-size: 21px;
}

.bk-strength__item p {
  margin: 0;
  color: var(--bk-muted);
}

.bk-logo-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.bk-logo-grid a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 132px;
  padding: 18px 14px;
  border: 1px solid var(--bk-line);
  border-radius: 8px;
  background: var(--bk-white);
  text-align: center;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.bk-logo-grid a:hover {
  border-color: rgba(190, 143, 75, 0.7);
  box-shadow: 0 14px 30px rgba(15, 33, 59, 0.08);
  transform: translateY(-2px);
}

.bk-logo-grid img {
  width: 100%;
  max-width: 150px;
  max-height: 54px;
  object-fit: contain;
  margin: 0 auto;
}

.bk-logo-grid span {
  display: block;
  width: 100%;
  min-height: 36px;
  margin-top: 12px;
  color: var(--bk-muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.45;
}

.bk-logo-grid--partners a {
  min-height: 118px;
}

.bk-logo-grid--partners img {
  max-height: 66px;
}

.bk-contact {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 34px;
}

.bk-contact__info {
  padding: 36px;
  border-radius: 8px;
  background: var(--bk-navy);
  color: var(--bk-white);
}

.bk-contact__info h2 {
  margin: 0 0 24px;
  font-size: 36px;
  line-height: 1.2;
  letter-spacing: 0;
}

.bk-contact__row {
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.bk-contact__row strong {
  display: block;
  margin-bottom: 5px;
  color: var(--bk-gold-soft);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.bk-contact__row span,
.bk-contact__row a {
  display: block;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.bk-map {
  min-height: 430px;
  overflow: hidden;
  border: 1px solid var(--bk-line);
  border-radius: 8px;
  background: #d9dee7;
}

.bk-map iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 430px;
  border: 0;
}

.bk-footer {
  background: var(--bk-white);
}

.bk-footer__top {
  position: relative;
  background: #02040a;
  color: var(--bk-white);
}

.bk-footer__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 132px;
  gap: 32px;
}

.bk-footer__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 190px;
  min-width: 190px;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--bk-white);
}

.bk-footer__brand img {
  width: 160px;
}

.bk-footer__info {
  flex: 1;
  min-width: 0;
}

.bk-footer__info p,
.bk-footer__contact p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 15px;
  line-height: 1.8;
}

.bk-footer__info em {
  display: inline-block;
  margin: 0 12px;
  color: var(--bk-gold);
  font-style: normal;
}

.bk-footer__copy {
  color: rgba(255, 255, 255, 0.66) !important;
}

.bk-footer__contact {
  display: flex;
  align-items: center;
  gap: 18px;
  white-space: nowrap;
}

.bk-footer__contact span {
  color: var(--bk-gold-soft);
  font-weight: 800;
}

.bk-footer__toplink {
  position: absolute;
  right: 0;
  bottom: -7px;
  width: 46px;
  height: 22px;
  border-radius: 0 0 24px 24px;
  background: #02040a;
}

.bk-footer__toplink::before {
  position: absolute;
  top: 7px;
  left: 50%;
  width: 0;
  height: 0;
  border-right: 7px solid transparent;
  border-bottom: 7px solid rgba(255, 255, 255, 0.72);
  border-left: 7px solid transparent;
  transform: translateX(-50%);
  content: "";
}

.bk-footer__office {
  padding: 28px 0;
  background: var(--bk-white);
}

.bk-footer__office ul {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.bk-footer__office li {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  border-right: 1px solid var(--bk-line);
}

.bk-footer__office li:first-child {
  border-left: 1px solid var(--bk-line);
}

.bk-footer__office a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 16px;
}

.bk-footer__office img {
  width: 100%;
  max-width: 142px;
  max-height: 52px;
  object-fit: contain;
}

@media (max-width: 960px) {
  .bk-menu-button {
    display: inline-flex;
  }

  .bk-nav {
    position: absolute;
    top: 76px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    border: 1px solid var(--bk-line);
    border-radius: 8px;
    background: var(--bk-white);
    box-shadow: 0 18px 40px rgba(15, 33, 59, 0.14);
  }

  .bk-nav.is-open {
    display: flex;
  }

  .bk-nav a {
    padding: 12px;
  }

  .bk-hero {
    min-height: auto;
    padding: 116px 0 70px;
  }

  .bk-hero__inner,
  .bk-about,
  .bk-vision__inner,
  .bk-contact {
    grid-template-columns: 1fr;
  }

  .bk-hero__inner {
    min-height: 0;
    gap: 42px;
  }

  .bk-hero h1 {
    font-size: 42px;
  }

  .bk-service-grid,
  .bk-cert-grid,
  .bk-strength,
  .bk-stat-grid {
    grid-template-columns: 1fr;
  }

  .bk-logo-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .bk-section__head {
    display: block;
  }

  .bk-section__head h2 {
    margin-bottom: 16px;
  }

  .bk-footer__inner {
    flex-wrap: wrap;
    justify-content: center;
    min-height: 0;
    padding: 28px 0;
    text-align: center;
  }

  .bk-footer__info {
    flex: 1 1 100%;
    order: 3;
  }

  .bk-footer__contact {
    flex: 1 1 100%;
    justify-content: center;
    order: 4;
  }

  .bk-footer__office ul {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .bk-footer__office li:nth-child(4n + 1) {
    border-left: 1px solid var(--bk-line);
  }
}

@media (max-width: 640px) {
  .bk-inner {
    width: min(100% - 28px, 1120px);
  }

  .bk-header__inner {
    min-height: 78px;
  }

  .bk-logo {
    width: 104px;
  }

  .bk-logo img {
    width: 100%;
  }

  .bk-nav {
    top: 78px;
    right: 14px;
    left: 14px;
  }

  .bk-hero {
    padding-top: 116px;
  }

  .bk-hero h1 {
    font-size: 34px;
  }

  .bk-hero__copy {
    font-size: 16px;
  }

  .bk-section {
    padding: 70px 0;
  }

  .bk-section__head h2,
  .bk-about__text h2,
  .bk-vision__text h2,
  .bk-contact__info h2 {
    font-size: 30px;
  }

  .bk-section__head h2 span {
    display: block;
    margin: 8px 0 0;
    font-size: 15px;
  }

  .bk-vision__image {
    padding: 22px;
  }

  .bk-logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bk-cert-tabs button {
    flex: 1 1 calc(50% - 8px);
    padding: 0 10px;
    font-size: 13px;
  }

  .bk-cert-card p {
    font-size: 14px;
  }

  .bk-logo-grid a {
    min-height: 118px;
    padding: 14px 10px;
  }

  .bk-logo-grid img {
    max-height: 46px;
  }

  .bk-logo-grid span {
    font-size: 11px;
  }

  .bk-contact__info {
    padding: 28px 22px;
  }

  .bk-footer__inner {
    display: flex;
    gap: 20px;
  }

  .bk-footer__brand {
    width: 160px;
    min-width: 160px;
    padding: 10px 12px;
  }

  .bk-footer__brand img {
    width: 132px;
  }

  .bk-footer__info p,
  .bk-footer__contact p {
    font-size: 13px;
  }

  .bk-footer__info span {
    display: block;
  }

  .bk-footer__info em {
    display: none;
  }

  .bk-footer__contact {
    display: block;
  }

  .bk-footer__toplink {
    right: 50%;
    transform: translateX(50%);
  }

  .bk-footer__office {
    padding: 20px 0;
  }

  .bk-footer__office ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bk-footer__office li {
    min-height: 78px;
  }

  .bk-footer__office li:nth-child(odd) {
    border-left: 1px solid var(--bk-line);
  }

  .bk-footer__office a {
    padding: 12px;
  }

  .bk-footer__office img {
    max-width: 124px;
    max-height: 44px;
  }
}

/* ===== 보광환경 추가 스타일 (참고 사이트 톤 유지) ===== */
.bk-hero h1,
.bk-section__head h2,
.bk-stat strong,
.bk-strength__item span,
.bk-contact__info h2 { font-family: "Montserrat", "Noto Sans KR", sans-serif; font-weight: 800; }
.bk-hero h1 { font-size: 56px; }
.bk-logo img { width: 100%; }
.bk-cert-card img { aspect-ratio: 3 / 4; object-fit: cover; object-position: top center; }
.bk-cert-card a { display: block; }
.bk-cert-card p { min-height: 62px; }

/* 제품 */
.bk-product-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.bk-product { overflow: hidden; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-white); }
.bk-product img { width: 100%; aspect-ratio: 364 / 428; object-fit: cover; }
.bk-product div { padding: 14px 16px 16px; text-align: center; }
.bk-product h3 { margin: 0 0 4px; color: var(--bk-navy); font-size: 16px; line-height: 1.3; }
.bk-product span { display: block; color: var(--bk-muted); font-size: 13px; }

/* 경영이념 S.I.R */
.bk-sir { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.bk-sir div { padding: 26px 20px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-paper); text-align: center; }
.bk-sir strong { display: block; margin: 0 auto 14px; width: 74px; height: 74px; border-radius: 50%; background: var(--bk-navy); color: var(--bk-gold-soft); font-family: "Montserrat", sans-serif; font-size: 34px; font-weight: 800; line-height: 74px; }
.bk-sir h3 { margin: 0 0 8px; color: var(--bk-navy); font-size: 18px; }
.bk-sir p { margin: 0; color: var(--bk-muted); font-size: 14px; line-height: 1.6; }

/* 연혁 */
.bk-history { position: relative; margin: 0; padding: 0 0 0 28px; list-style: none; border-left: 2px solid var(--bk-line); }
.bk-history li { position: relative; display: grid; grid-template-columns: 90px 1fr; gap: 18px; padding: 0 0 26px; }
.bk-history li::before { position: absolute; top: 8px; left: -35px; width: 12px; height: 12px; border-radius: 50%; background: var(--bk-gold); box-shadow: 0 0 0 4px var(--bk-white); content: ""; }
.bk-history strong { color: var(--bk-navy); font-family: "Montserrat", sans-serif; font-size: 24px; font-weight: 800; line-height: 1.2; }
.bk-history p { margin: 0 0 4px; color: #374151; font-size: 16px; }
.bk-history p em { display: inline-block; min-width: 56px; color: var(--bk-gold); font-style: normal; font-weight: 800; }

/* 유관기관 텍스트 링크 */
.bk-footer__office a { color: var(--bk-navy); font-size: 14px; font-weight: 800; text-align: center; }
.bk-footer__office ul { grid-template-columns: repeat(6, minmax(0, 1fr)); }

/* 문의 버튼 */
.bk-contact__row a:hover { color: var(--bk-gold-soft); }

@media (max-width: 960px) {
  .bk-product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bk-sir { grid-template-columns: 1fr; }
  .bk-footer__office ul { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bk-footer__office li:nth-child(4n + 1) { border-left: 0; }
  .bk-footer__office li:nth-child(3n + 1) { border-left: 1px solid var(--bk-line); }
  .bk-cert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .bk-hero h1 { font-size: 32px; }
  .bk-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bk-history li { grid-template-columns: 1fr; gap: 4px; }
  .bk-footer__office ul { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bk-footer__office li:nth-child(3n + 1) { border-left: 0; }
  .bk-footer__office li:nth-child(odd) { border-left: 1px solid var(--bk-line); }
}

/* 대표 사진: 자르지 않고 원본 비율 그대로 */
.bk-about__media { aspect-ratio: auto; border-radius: 8px; }
.bk-about__media img { height: auto; object-fit: contain; }

/* 생산공정 */
.bk-process { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.bk-process article { overflow: hidden; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-white); }
.bk-process img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.bk-process div { padding: 16px 16px 18px; }
.bk-process strong { display: block; margin-bottom: 6px; color: var(--bk-gold); font-family: "Montserrat", sans-serif; font-size: 13px; letter-spacing: 0.1em; }
.bk-process h3 { margin: 0 0 6px; color: var(--bk-navy); font-size: 17px; line-height: 1.3; }
.bk-process p { margin: 0; color: var(--bk-muted); font-size: 13px; line-height: 1.55; }

/* 의료폐기물 소개 */
.bk-waste { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-bottom: 18px; }
.bk-waste article { padding: 26px 24px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-white); }
.bk-waste h3 { margin: 0 0 6px; color: var(--bk-navy); font-size: 20px; }
.bk-waste h3 small { display: block; margin-top: 4px; color: var(--bk-gold); font-size: 13px; font-weight: 800; }
.bk-waste p { margin: 0 0 10px; color: var(--bk-muted); font-size: 14px; }
.bk-waste ul { margin: 0; padding: 0; list-style: none; }
.bk-waste li { padding: 8px 0; border-top: 1px solid var(--bk-line); color: #374151; font-size: 14px; }
.bk-waste li b { color: var(--bk-navy); }
.bk-rfid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 18px; }
.bk-rfid__text { padding: 30px 28px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-white); }
.bk-rfid__text h3 { margin: 0 0 10px; color: var(--bk-navy); font-size: 22px; }
.bk-rfid__text p { margin: 0 0 14px; color: #374151; font-size: 15px; }
.bk-rfid__text ol { margin: 0; padding-left: 20px; color: var(--bk-muted); font-size: 14px; line-height: 1.7; }
.bk-rfid__imgs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.bk-rfid__imgs img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 8px; border: 1px solid var(--bk-line); background: var(--bk-white); }
.bk-storage { margin-top: 18px; padding: 24px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-white); display: grid; grid-template-columns: 0.55fr 1fr; gap: 24px; align-items: center; }
.bk-storage img { width: 100%; border: 1px solid var(--bk-line); border-radius: 6px; }
.bk-storage h3 { margin: 0 0 10px; color: var(--bk-navy); font-size: 20px; }
.bk-storage p { margin: 0 0 8px; color: #374151; font-size: 15px; }

/* 현장 갤러리 */
.bk-gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: 220px; gap: 12px; }
.bk-gallery a { position: relative; display: block; overflow: hidden; border-radius: 8px; border: 1px solid var(--bk-line); background: #d9dee7; }
.bk-gallery a:nth-child(1), .bk-gallery a:nth-child(6) { grid-column: span 2; grid-row: span 2; }
.bk-gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.bk-gallery a:hover img { transform: scale(1.04); }
.bk-gallery span { position: absolute; right: 0; bottom: 0; left: 0; padding: 22px 14px 12px; background: linear-gradient(180deg, rgba(0,2,29,0), rgba(0,2,29,0.75)); color: var(--bk-white); font-size: 13px; font-weight: 700; }

/* 뉴스 */
.bk-news { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 0; overflow: hidden; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-white); }
.bk-news img { width: 100%; height: 100%; object-fit: cover; }
.bk-news div { padding: 36px; }
.bk-news div .bk-eyebrow { color: var(--bk-gold); margin-bottom: 10px; }
.bk-news h3 { margin: 0 0 12px; color: var(--bk-navy); font-size: 26px; line-height: 1.3; }
.bk-news p { margin: 0; color: #374151; font-size: 15px; }

.bk-map__links { display: flex; gap: 8px; margin-top: 12px; }
.bk-map__links a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border-radius: 8px; background: var(--bk-gold); color: var(--bk-white); font-size: 14px; font-weight: 800; }
.bk-map__links a.is-naver { background: #03c75a; }
.bk-map { display: flex; flex-direction: column; }
.bk-map iframe { flex: 1; }

@media (max-width: 960px) {
  .bk-process { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bk-waste, .bk-rfid, .bk-storage, .bk-news { grid-template-columns: 1fr; }
  .bk-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 180px; }
}
@media (max-width: 640px) {
  .bk-process { grid-template-columns: 1fr; }
  .bk-gallery { grid-auto-rows: 150px; }
  .bk-news div { padding: 24px 20px; }
  .bk-news h3 { font-size: 22px; }
}

/* 로고 크기 */
.bk-logo { width: 210px; }
.bk-footer__brand { width: 230px; min-width: 230px; }
.bk-footer__brand img { width: 200px; }

/* 회사 소개 */
.bk-intro { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 28px; margin-bottom: 28px; }
.bk-intro__text { padding: 34px 32px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-white); }
.bk-intro__text p { margin: 0 0 14px; color: #374151; font-size: 15.5px; line-height: 1.75; }
.bk-intro__text p:last-child { margin-bottom: 0; }
.bk-intro__text b { color: var(--bk-navy); }
.bk-intro__media { display: grid; grid-template-rows: 1fr 1fr; gap: 12px; }
.bk-intro__media img { width: 100%; height: 100%; object-fit: cover; border-radius: 8px; border: 1px solid var(--bk-line); }
.bk-direction { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.bk-direction article { padding: 26px 22px; border-top: 4px solid var(--bk-gold); background: var(--bk-white); border-radius: 0 0 8px 8px; }
.bk-direction span { display: block; margin-bottom: 12px; color: var(--bk-navy); font-family: "Montserrat", sans-serif; font-size: 26px; font-weight: 800; line-height: 1; }
.bk-direction h3 { margin: 0 0 8px; color: var(--bk-navy); font-size: 18px; }
.bk-direction p { margin: 0; color: var(--bk-muted); font-size: 14px; line-height: 1.65; }

/* 조직도 */
.bk-org { margin-top: 28px; padding: 34px 28px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-white); }
.bk-org h3 { margin: 0 0 24px; color: var(--bk-navy); font-size: 22px; text-align: center; }
.bk-org__tree { display: flex; flex-direction: column; align-items: center; }
.bk-org__lv1 { padding: 12px 40px; border-radius: 8px; background: var(--bk-navy); color: var(--bk-white); font-size: 18px; font-weight: 800; }
.bk-org__line { width: 2px; height: 26px; background: var(--bk-line); }
.bk-org__lv2 { display: flex; gap: 16px; }
.bk-org__lv2 span { padding: 10px 30px; border: 2px solid var(--bk-gold); border-radius: 8px; color: var(--bk-navy); font-weight: 800; }
.bk-org__lv3 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; width: 100%; max-width: 860px; }
.bk-org__lv3 span { padding: 16px 10px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-paper); color: var(--bk-navy); font-size: 15px; font-weight: 700; line-height: 1.45; text-align: center; }
.bk-waste__tree { margin: -14px 0 22px; color: var(--bk-muted); font-size: 14px; }
.bk-waste__tree b { color: var(--bk-navy); }

/* 고객지원 */
.bk-support { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 24px; }
.bk-form { padding: 32px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-white); }
.bk-form h3, .bk-board h3 { margin: 0 0 18px; color: var(--bk-navy); font-size: 22px; }
.bk-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.bk-form label { display: block; margin-bottom: 12px; color: var(--bk-navy); font-size: 13px; font-weight: 800; }
.bk-form input, .bk-form select, .bk-form textarea { display: block; width: 100%; margin-top: 6px; padding: 11px 12px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-paper); color: var(--bk-ink); font: inherit; font-size: 15px; }
.bk-form textarea { resize: vertical; }
.bk-form input:focus, .bk-form select:focus, .bk-form textarea:focus { outline: 2px solid var(--bk-gold); border-color: transparent; background: var(--bk-white); }
.bk-form__agree { display: flex !important; align-items: center; gap: 8px; font-weight: 500 !important; color: var(--bk-muted) !important; }
.bk-form__agree input { width: auto; margin: 0; }
.bk-form__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.bk-button--line { border-color: var(--bk-navy); color: var(--bk-navy); }
.bk-form__note { margin: 12px 0 0; color: var(--bk-muted); font-size: 12px; }
.bk-boards { display: grid; grid-template-rows: auto auto; gap: 24px; }
.bk-board { padding: 28px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-white); }
.bk-board ul { margin: 0; padding: 0; list-style: none; }
.bk-board li a { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid var(--bk-line); color: #374151; font-size: 14px; }
.bk-board li a:hover span { color: var(--bk-gold); }
.bk-board li em { flex: 0 0 auto; color: var(--bk-muted); font-size: 12px; font-style: normal; }

@media (max-width: 960px) {
  .bk-intro, .bk-support { grid-template-columns: 1fr; }
  .bk-intro__media { grid-template-rows: none; grid-template-columns: 1fr 1fr; }
  .bk-direction { grid-template-columns: 1fr 1fr; }
  .bk-org__lv3 { grid-template-columns: 1fr 1fr; }
  .bk-logo { width: 170px; }
}
@media (max-width: 640px) {
  .bk-direction, .bk-form__row, .bk-intro__media { grid-template-columns: 1fr; }
  .bk-org__lv3 { grid-template-columns: 1fr; }
  .bk-org__lv2 { flex-direction: column; gap: 8px; }
  .bk-logo { width: 150px; }
  .bk-footer__brand { width: 200px; min-width: 200px; }
  .bk-footer__brand img { width: 176px; }
}

/* 메뉴 10개: 한 줄 유지 */
.bk-nav { gap: 18px; font-size: 13.5px; letter-spacing: 0.01em; }
.bk-nav a { white-space: nowrap; }
.bk-logo { width: 196px; }
@media (max-width: 1180px) and (min-width: 961px) { .bk-nav { gap: 12px; font-size: 12.5px; } .bk-logo { width: 170px; } }

/* 라이트박스 */
.bk-lightbox { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 16px; background: rgba(0, 2, 29, 0.88); cursor: zoom-out; overflow: hidden; }
.bk-lightbox.is-open { display: flex; }
.bk-lightbox img { display: block; max-width: min(100%, 1100px); max-height: calc(100vh - 32px); max-height: calc(100dvh - 32px); width: auto; height: auto; object-fit: contain; border-radius: 8px; box-shadow: 0 30px 80px rgba(0,0,0,0.5); background: #fff; }
.bk-lightbox figcaption { position: absolute; right: 0; bottom: 14px; left: 0; padding: 0 16px; color: rgba(255,255,255,0.85); font-size: 14px; font-weight: 700; text-align: center; pointer-events: none; }
.bk-lightbox__close { position: absolute; top: 14px; right: 14px; width: 42px; height: 42px; border: 0; border-radius: 50%; background: rgba(255,255,255,0.15); color: #fff; font-size: 26px; line-height: 42px; cursor: pointer; }
body.bk-noscroll { overflow: hidden; }
.bk-cert-card img, .bk-gallery img, .bk-product img, .bk-storage img, .bk-rfid__imgs img, .bk-news > img, .bk-intro__media img, .bk-process img, .bk-service__image img, .bk-about__media img { cursor: zoom-in; }

/* 고객사 로고 */
.bk-logo-grid--clients { grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 10px; }
.bk-logo-grid--clients a { min-height: 96px; padding: 14px 12px; }
.bk-logo-grid--clients img { max-width: 130px; max-height: 52px; }
.bk-nav { gap: 16px; font-size: 13px; }
@media (max-width: 1180px) and (min-width: 961px) { .bk-nav { gap: 10px; font-size: 12px; } }
@media (max-width: 960px) { .bk-logo-grid--clients { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 640px) { .bk-logo-grid--clients { grid-template-columns: repeat(3, minmax(0, 1fr)); } .bk-logo-grid--clients a { min-height: 76px; padding: 10px 8px; } .bk-logo-grid--clients img { max-height: 40px; } }

/* 공정 사진 슬라이드 */
.bk-slider { position: relative; }
.bk-slider__track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.bk-slider__track::-webkit-scrollbar { display: none; }
.bk-slider__track img { flex: 0 0 100%; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; scroll-snap-align: start; }
.bk-slider__dots { position: absolute; right: 0; bottom: 8px; left: 0; display: flex; justify-content: center; gap: 6px; }
.bk-slider__dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,0.55); box-shadow: 0 0 0 1px rgba(0,0,0,0.15); cursor: pointer; }
.bk-slider__dots button.is-on { background: var(--bk-gold); }

/* 인라인 SVG 로고 */
.bk-logo-svg { display: block; width: 100%; height: auto; }
.bk-logo { width: 200px; }
.bk-footer__brand { width: auto; min-width: 0; padding: 12px 18px; }
.bk-footer__brand .bk-logo-svg { width: 200px; }
.bk-footer__credit { display: inline-block; margin-left: 10px; color: rgba(255,255,255,0.66); }
.bk-footer__credit a { color: var(--bk-gold-soft); font-weight: 700; }
.bk-footer__credit a:hover { text-decoration: underline; }
@media (max-width: 960px) { .bk-logo { width: 170px; } }
@media (max-width: 640px) { .bk-logo { width: 150px; } .bk-footer__brand .bk-logo-svg { width: 170px; } .bk-footer__credit { display: block; margin: 4px 0 0; } }

/* ===== 더보기 버튼 ===== */
.bk-more { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; min-height: 50px; margin-top: 14px; border: 1px solid var(--bk-navy); border-radius: 8px; background: var(--bk-white); color: var(--bk-navy); font: inherit; font-size: 15px; font-weight: 800; cursor: pointer; }
.bk-more b { color: var(--bk-gold); }
.bk-more:focus-visible { outline: 2px solid var(--bk-gold); outline-offset: 2px; }
.bk-more[hidden], .is-more-hidden { display: none !important; }
.is-clamped { position: relative; max-height: var(--clamp); overflow: hidden; }
.is-clamped::after { position: absolute; right: 0; bottom: 0; left: 0; height: 110px; background: linear-gradient(180deg, rgba(255,255,255,0), var(--bk-white) 85%); content: ""; }

/* 바닥글 로고·유관기관 */
.bk-footer__brand { padding: 10px 16px; }
.bk-map__links a { flex: 1; justify-content: center; min-height: 46px; }

/* ===== 모바일 압축 ===== */
@media (max-width: 640px) {
  .bk-section { padding: 56px 0; }
  .bk-section__head { margin-bottom: 26px; }
  .bk-section__head p { font-size: 15px; }
  .bk-fact { padding: 14px 18px; }
  .bk-intro__media { grid-template-columns: 1fr; }
  .bk-intro__media img:nth-child(2) { display: none; }
  .bk-intro__text { padding: 24px 20px; }
  .bk-vision__text { padding: 28px 22px; }
  .bk-vision__image { padding: 14px; }
  .bk-sir { gap: 10px; }
  .bk-sir div { display: grid; grid-template-columns: 52px 1fr; gap: 2px 14px; padding: 14px 16px; text-align: left; }
  .bk-sir strong { grid-row: span 2; width: 52px; height: 52px; margin: 0; font-size: 24px; line-height: 52px; text-align: center; }
  .bk-sir h3 { margin: 0; align-self: end; }
  .bk-sir p { font-size: 13px; }
  .bk-stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .bk-stat { min-height: 0; padding: 18px 12px; }
  .bk-stat p { min-height: 0; font-size: 14px; }
  .bk-stat p em { font-size: 11px; }
  .bk-stat strong { min-height: 0; font-size: 32px; }
  .bk-stat span { font-size: 12px; }
  .bk-service__image { aspect-ratio: 16 / 9; }
  .bk-service__body { padding: 18px; }
  .bk-slider__track img { aspect-ratio: 4 / 3; }
  .bk-strength { gap: 12px; }
  .bk-strength__item { padding: 22px 20px; }
  .bk-org { padding: 24px 16px; }
  .bk-footer__brand { width: auto; min-width: 0; padding: 10px 14px; }
  .bk-footer__brand .bk-logo-svg { width: 180px; }
  .bk-footer__office { padding: 12px 0; }
  .bk-footer__office ul { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .bk-footer__office li { min-height: 48px; border-left: 0 !important; border-right: 0; border-bottom: 1px solid var(--bk-line); }
  .bk-footer__office a { padding: 8px 4px; font-size: 12.5px; }
}
@media (max-width: 640px) {
  .bk-org__lv3 { grid-template-columns: 1fr 1fr; gap: 8px; }
  .bk-org__lv3 span { padding: 12px 6px; font-size: 13px; }
  .bk-org__lv2 { flex-direction: row; }
  .bk-org__lv2 span { padding: 8px 18px; }
}

/* 바닥글 로고: 흰 상자 없이 어두운 띠에 바로 */
.bk-footer__brand { width: auto; min-width: 0; padding: 0; border-radius: 0; background: transparent; }
.bk-footer__brand .bk-logo-svg { width: 210px; }
@media (max-width: 640px) { .bk-footer__brand .bk-logo-svg { width: 190px; } }

/* ===== 로고 이미지 ===== */
img.bk-logo-svg { display: block; width: 100%; height: auto; }

/* ===== 의료폐기물: 카드·보관기준·RFID 한 묶음 ===== */
.bk-waste__tree { margin: 0 0 22px; }
.bk-waste > .bk-storage, .bk-waste > .bk-rfid { grid-column: 1 / -1; margin-top: 0; }

/* ===== 슬라이드 점 ===== */
.bk-dots { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 16px; }
.bk-dots[hidden] { display: none !important; }
.bk-dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 999px; background: var(--bk-line); cursor: pointer; transition: width 0.25s ease, background 0.25s ease; }
.bk-dots button.is-on { width: 22px; background: var(--bk-gold); }
.bk-dots button:focus-visible { outline: 2px solid var(--bk-navy); outline-offset: 3px; }

/* ===== 모바일: 옆으로 넘기는 슬라이드 ===== */
@media (max-width: 640px) {
  [data-slide] {
    --g: 12px;
    display: grid !important;
    grid-template-columns: none !important;
    grid-template-rows: repeat(var(--rows, 1), auto);
    grid-auto-flow: column;
    grid-auto-columns: 86%;
    gap: var(--g) !important;
    align-items: start;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 0;
  }
  [data-slide]::-webkit-scrollbar { display: none; }
  [data-slide] > * { grid-column: auto !important; grid-row: auto !important; min-width: 0; scroll-snap-align: start; }
  [data-slide="2"] { grid-auto-columns: calc((100% - var(--g)) / 2); }
  [data-slide="3"] { grid-auto-columns: calc((100% - 2 * var(--g)) / 3); }
  [data-slide-rows="2"] { --rows: 2; }
  .bk-cert-card[hidden] { display: none !important; }

  /* 갤러리: 모든 사진 같은 크기 */
  .bk-gallery[data-slide] a { height: auto; aspect-ratio: 4 / 3; }
  .bk-gallery[data-slide] img { height: 100%; }

  /* 연혁: 연도별 카드 */
  .bk-history[data-slide] { padding: 0; border-left: 0; }
  .bk-history[data-slide] li { display: block; padding: 20px 18px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-paper); }
  .bk-history[data-slide] li::before { display: none; }
  .bk-history[data-slide] strong { display: block; margin-bottom: 10px; color: var(--bk-gold); }

  /* 생산공정: 카드 안 사진은 손으로 안 밀리고 자동으로만 넘어감 (겹치는 밀기 방지) */
  .bk-process[data-slide] .bk-slider__track { overflow-x: hidden; }

  /* 의료폐기물 묶음: 보관기준 표·RFID 카드 압축 */
  .bk-waste[data-slide] > article, .bk-waste[data-slide] > .bk-storage, .bk-waste[data-slide] > .bk-rfid { margin: 0; }
  .bk-waste[data-slide] > .bk-storage { display: block; padding: 18px; }
  .bk-waste[data-slide] > .bk-storage img { max-height: 220px; width: auto; margin: 0 auto 14px; }
  .bk-waste[data-slide] > .bk-storage p { font-size: 14px; }
  .bk-waste[data-slide] > .bk-rfid { display: block; }
  .bk-waste[data-slide] > .bk-rfid .bk-rfid__text { padding: 20px 18px; border: 0; }
  .bk-waste[data-slide] > .bk-rfid .bk-rfid__text p, .bk-waste[data-slide] > .bk-rfid ol { font-size: 13.5px; }
  .bk-waste[data-slide] > .bk-rfid .bk-rfid__imgs { grid-template-columns: repeat(4, 1fr); gap: 6px; padding: 0 18px 18px; }
  .bk-waste[data-slide] > .bk-rfid { border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-white); }

  /* 고객사: 3×2 한 장씩 */
  .bk-logo-grid--clients[data-slide] a { min-height: 72px; }
}
@media (max-width: 640px) {
  [data-slide-autoh] { overflow-y: hidden; transition: height 0.35s ease; }
}

/* ===== 로고: 보광환경 원본 파일 그대로 (재작성 금지) ===== */
img.bk-logo-img { display: block; width: 100%; height: auto; }
.bk-logo { width: 196px; }
.bk-footer__brand { width: auto; min-width: 0; padding: 10px 16px; border-radius: 8px; background: var(--bk-white); }
.bk-footer__brand .bk-logo-img { width: 196px; }
@media (max-width: 960px) { .bk-logo { width: 170px; } }
@media (max-width: 640px) { .bk-logo { width: 150px; } .bk-footer__brand { padding: 8px 12px; } .bk-footer__brand .bk-logo-img { width: 168px; } }

/* ===== 바닥글: 로고가 자연스럽게 얹히도록 밝은 띠로 ===== */
.bk-footer__top { background: var(--bk-paper); color: var(--bk-ink); border-top: 1px solid var(--bk-line); }
.bk-footer__brand { width: auto; min-width: 0; padding: 0; background: transparent; border-radius: 0; }
.bk-footer__brand .bk-logo-img { width: 210px; }
.bk-footer__info p, .bk-footer__contact p { color: #4a5468; }
.bk-footer__info em { color: var(--bk-line); }
.bk-footer__copy { color: #8b93a6 !important; }
.bk-footer__contact span { color: #9a7c3d; }
.bk-footer__credit { color: #8b93a6; }
.bk-footer__credit a { color: #9a7c3d; }
.bk-footer__toplink { background: var(--bk-paper); }
.bk-footer__toplink::before { border-bottom-color: var(--bk-navy); }
.bk-footer__office { border-top: 1px solid var(--bk-line); }
@media (max-width: 640px) { .bk-footer__brand .bk-logo-img { width: 180px; } }

/* ===== 조직도: 연결선 (간격과 선 길이를 한 값으로 묶음) ===== */
.bk-org__tree { --gap: 30px; display: flex; flex-direction: column; align-items: center; gap: var(--gap); }
.bk-org__node { position: relative; padding: 12px 34px; border-radius: 8px; font-weight: 800; text-align: center; }
.bk-org__node--head { background: var(--bk-navy); color: var(--bk-white); font-size: 18px; }
.bk-org__node--sub { border: 2px solid var(--bk-gold); background: var(--bk-white); color: var(--bk-navy); font-size: 16px; }
.bk-org__node + .bk-org__node::before { position: absolute; top: calc(-1 * var(--gap)); left: 50%; width: 2px; height: var(--gap); margin-left: -1px; background: var(--bk-line); content: ""; }
.bk-org__branch { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; width: 100%; max-width: 720px; }
.bk-org__branch::before { position: absolute; top: calc(-1 * var(--gap)); left: 50%; width: 2px; height: calc(var(--gap) / 2); margin-left: -1px; background: var(--bk-line); content: ""; }
.bk-org__branch::after { position: absolute; top: calc(-1 * var(--gap) / 2); right: 16.667%; left: 16.667%; height: 2px; background: var(--bk-line); content: ""; }
.bk-org__branch span { position: relative; padding: 16px 10px; border: 1px solid var(--bk-line); border-radius: 8px; background: var(--bk-paper); color: var(--bk-navy); font-size: 15px; font-weight: 700; line-height: 1.45; text-align: center; }
.bk-org__branch span::before { position: absolute; top: calc(-1 * var(--gap) / 2); left: 50%; width: 2px; height: calc(var(--gap) / 2); margin-left: -1px; background: var(--bk-line); content: ""; }
@media (max-width: 640px) {
  .bk-org__tree { --gap: 24px; }
  .bk-org__node { padding: 10px 26px; font-size: 16px; }
  .bk-org__node--head { font-size: 17px; }
  .bk-org__branch { grid-template-columns: 1fr 1fr; gap: 10px; }
  .bk-org__branch::after { right: 25%; left: 25%; }
  .bk-org__branch span { padding: 12px 6px; font-size: 13px; }
  .bk-org__branch span:nth-child(n+3)::before { display: none; }
}

/* ===== 10/28 점검 고침 ===== */
/* 숫자 칸: 「1,000+」의 숫자가 아래 설명용 작은 글씨 규칙을 받아 깨지던 것 */
.bk-stat strong span { display: inline; color: inherit; font-size: inherit; line-height: inherit; }
/* 생산공정 사진: 카드 안 여백 규칙이 사진 넘김 틀에도 붙어 사진이 덜 차고 옆 사진이 비치던 것 */
.bk-process .bk-slider, .bk-process .bk-slider div { padding: 0; }
/* 주소 번지가 「842-」「14」로 갈라지지 않게 */
.bk-nowrap, .bk-fact .bk-nowrap, .bk-contact__row .bk-nowrap, .bk-footer__info .bk-nowrap { display: inline; white-space: nowrap; color: inherit; font-size: inherit; font-weight: inherit; line-height: inherit; }
/* 첫 화면 전화번호 링크 */
.bk-fact a { color: inherit; }
/* 문의 보낸 뒤 안내 */
.bk-form__status { margin: 10px 0 0; padding: 10px 12px; border-radius: 6px; background: var(--bk-paper); color: var(--bk-navy); font-size: 13px; line-height: 1.5; }
/* 협력기관 6곳: 한 줄에 다 들어가게 (5칸이라 1곳만 아랫줄로 떨어지던 것) */
.bk-logo-grid--partners { grid-template-columns: repeat(6, minmax(0, 1fr)); }
@media (max-width: 960px) { .bk-logo-grid--partners { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 640px) { .bk-logo-grid--partners { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
/* 회사 소개: 오른쪽 사진 두 장이 글보다 길어 글 칸 아래가 크게 비던 것 → 사진이 글 높이에 맞춤 */
@media (min-width: 961px) {
  .bk-intro__media { contain: size; min-height: 100%; }
  .bk-intro__media img { min-height: 0; }
}
/* 휴대폰 첫 화면: 가로로 긴 트럭 사진을 세로 화면에 꽉 채우면 가운데 흐린 글씨만 크게 잘려 보이던 것
   → 사진은 머리글 바로 아래에 트럭 전체가 보이게 띠로 놓고, 글은 그 아래 남색 바탕에 */
@media (max-width: 640px) {
  .bk-hero { padding-top: calc(79px + 46vw + 26px); background: var(--bk-navy); }
  .bk-hero::after { inset: 79px 0 auto 0; height: 46vw; background-position: center 62%; transform: none; animation: none; }
  .bk-hero::before { background: linear-gradient(180deg, rgba(15, 33, 59, 0) 0, rgba(15, 33, 59, 0) calc(79px + 30vw), var(--bk-navy) calc(79px + 46vw), var(--bk-navy) 100%); }
  .bk-eyebrow { font-size: 12px; letter-spacing: 0.08em; }
}

/* 10/29 크게 보기: 원본 크기(인증서 386px)로 작게 뜨던 것 → 화면 가득, 사진을 누르면 2.4배, 앞뒤 넘기기 */
.bk-lightbox { padding: 58px 12px 64px; cursor: default; }
.bk-lightbox img { width: 100%; height: 100%; max-width: 1200px; max-height: none; object-fit: contain; background: transparent; box-shadow: none; border-radius: 0; filter: drop-shadow(0 24px 50px rgba(0, 0, 0, 0.45)); cursor: zoom-in; }
.bk-lightbox.is-zoom { display: block; overflow: auto; padding: 0; -webkit-overflow-scrolling: touch; }
.bk-lightbox.is-zoom img { max-width: none; margin: 0 auto; object-fit: fill; filter: none; background: #fff; cursor: zoom-out; }
.bk-lightbox figcaption, .bk-lightbox__close, .bk-lightbox__nav { position: fixed; z-index: 2; }
.bk-lightbox figcaption { bottom: 12px; }
.bk-lightbox__cap { display: block; }
.bk-lightbox__hint { display: block; margin-top: 4px; color: rgba(255, 255, 255, 0.6); font-size: 12px; font-weight: 500; }
.bk-lightbox.is-zoom figcaption { display: none; }
.bk-lightbox__nav { top: 50%; width: 46px; height: 64px; margin-top: -32px; border: 0; border-radius: 8px; background: rgba(255, 255, 255, 0.14); color: #fff; font-size: 40px; line-height: 60px; cursor: pointer; }
.bk-lightbox__nav.is-prev { left: 10px; }
.bk-lightbox__nav.is-next { right: 10px; }
.bk-lightbox__nav[hidden], .bk-lightbox.is-zoom .bk-lightbox__nav { display: none; }
.bk-lightbox__close { background: rgba(255, 255, 255, 0.22); }
@media (max-width: 640px) {
  .bk-lightbox { padding: 56px 6px 64px; }
  .bk-lightbox__nav { width: 36px; height: 52px; margin-top: -26px; font-size: 32px; line-height: 48px; background: rgba(0, 2, 29, 0.45); }
  .bk-lightbox__nav.is-prev { left: 4px; }
  .bk-lightbox__nav.is-next { right: 4px; }
}

/* ===== 협력사: 한국의료폐기물수집운반협회 (엠블럼 + 이름, 협회 홈페이지와 같은 표기) ===== */
.bk-logo-grid--partners a.bk-partner--kmwta { flex-direction: row; gap: 8px; }
.bk-logo-grid--partners a.bk-partner--kmwta img { width: 38px; max-width: 38px; max-height: 38px; margin: 0; flex: 0 0 auto; }
.bk-logo-grid--partners a.bk-partner--kmwta span { width: auto; min-height: 0; margin: 0; color: #2f5d3a; font-size: 12px; font-weight: 800; line-height: 1.4; text-align: left; white-space: nowrap; }
@media (max-width: 640px) {
  .bk-logo-grid--partners a.bk-partner--kmwta { flex-direction: column; gap: 6px; }
  .bk-logo-grid--partners a.bk-partner--kmwta span { font-size: 11px; text-align: center; }
  .bk-logo-grid--partners a.bk-partner--kmwta img { width: 44px; max-width: 44px; max-height: 44px; }
}

/* ===== 서비스 5개: PC에서 아래 줄 2개를 가운데 정렬 ===== */
@media (min-width: 961px) {
  .bk-service-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .bk-service-grid > .bk-service { grid-column: span 2; }
  .bk-service-grid > .bk-service:nth-child(4) { grid-column: 2 / span 2; }
  .bk-service-grid > .bk-service:nth-child(5) { grid-column: 4 / span 2; }
}

/* ===== 조직도 부서 3개: 폰에서도 한 줄에 셋 ===== */
@media (max-width: 640px) {
  .bk-org__branch { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .bk-org__branch::after { right: 16.667%; left: 16.667%; }
  .bk-org__branch span { padding: 10px 4px; font-size: 12px; line-height: 1.4; }
  .bk-org__branch span:nth-child(n+3)::before { display: block; }
}

/* 11/9 메인 사진을 밝은 건물·차량 사진으로 바꿈 → 흰 트럭 위 흰 글씨가 묻히지 않게 (PC·태블릿) */
@media (min-width: 641px) {
  /* 11/9 저녁 「어두운 거 별로」 → 덮개를 옅게(왼쪽 0.86→0.5), 글자는 그림자로 받침 */
  .bk-hero::before { background: linear-gradient(90deg, rgba(0, 2, 29, 0.5), rgba(15, 33, 59, 0.3) 42%, rgba(15, 33, 59, 0.06) 72%, rgba(15, 33, 59, 0)); }
  .bk-hero .bk-eyebrow, .bk-hero h1, .bk-hero__copy { text-shadow: 0 1px 2px rgba(0, 8, 30, 0.9), 0 0 10px rgba(0, 8, 30, 0.65), 0 2px 26px rgba(0, 8, 30, 0.5); }
  .bk-hero .bk-button--ghost { background: rgba(15, 33, 59, 0.42); border-color: rgba(255, 255, 255, 0.7); backdrop-filter: blur(4px); }
  .bk-hero__copy { color: #fff; font-weight: 500; }
  .bk-facts { background: rgba(15, 33, 59, 0.36); }
}
/* 11/10 저녁 메인 사진(하늘 넓은 건물 정면 · 차량 8대, main_visual05) · 첫 화면 글 줄임
   글·정보 칸은 하늘 쪽에, 건물·차량은 아래에 다 보이게 */
@media (min-width: 641px) {
  .bk-hero::after { background-size: cover; background-position: center 80%; }
  .bk-hero__inner { align-items: start; }
}
@media (min-width: 2201px) { .bk-hero::after { background-position: center 86%; } }
/* 휴대폰 띠: 하늘을 줄이고 건물·차량이 띠 너비에 차게 */
@media (max-width: 640px) {
  .bk-hero { padding-top: calc(79px + 34vw + 26px); }
  .bk-hero::after { height: 34vw; background-size: 116% auto; background-position: center 100%; }
  .bk-hero::before { background: linear-gradient(180deg, rgba(15, 33, 59, 0) 0, rgba(15, 33, 59, 0) calc(79px + 30vw), var(--bk-navy) calc(79px + 34vw), var(--bk-navy) 100%); }
}

/* ===== 11/10 고객 요청: 경영이념 두 줄 가운데 · 비콘태그 ===== */
.bk-vision__text h2 { text-align: center; font-size: clamp(30px, 2.9vw, 38px); }
.bk-vision__sir { display: block; margin-top: 6px; font-size: 1.55em; font-weight: 700; line-height: 1.1; letter-spacing: 0; }
.bk-beacon .bk-rfid__text p { margin-bottom: 16px; }
.bk-beacon .bk-rfid__text ul { margin: 0; padding: 0; list-style: none; }
.bk-beacon .bk-rfid__text li { padding: 12px 0; border-top: 1px solid var(--bk-line); color: #374151; font-size: 15px; overflow-wrap: anywhere; }
.bk-beacon .bk-rfid__text li b { color: var(--bk-navy); }
.bk-beacon .bk-rfid__text li a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.bk-beacon .bk-rfid__imgs { align-content: start; }
.bk-beacon .bk-rfid__imgs img { height: auto; aspect-ratio: 1 / 1; object-fit: contain; padding: 12px; }
@media (max-width: 640px) {
  .bk-vision__text h2 { font-size: 30px; }
  .bk-waste[data-slide] > .bk-beacon .bk-rfid__imgs { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .bk-waste[data-slide] > .bk-beacon li { padding: 10px 0; font-size: 13.5px; }
}

/* ===== 11/10 저녁 고객 요청: 첫 화면 제목 두 줄 · 정보 칸 오른쪽 끝 · 소개 글상자 가로 전체 ===== */
.bk-hero__lead { display: block; margin-bottom: 12px; font-size: 0.5em; line-height: 1.35; }
.bk-fact span + strong { margin-top: 14px; }
@media (min-width: 961px) {
  .bk-hero__inner { grid-template-columns: minmax(0, 1fr) auto; }
  .bk-facts { justify-self: end; width: 330px; margin-right: calc(-1 * max(0px, (100vw - 1120px) / 2 - 48px)); }
}
.bk-intro { grid-template-columns: 1fr; }
/* 태블릿: 정보 칸이 가로 전체라 건물을 가림 → 첫 화면 아래를 늘려 건물·차량이 정보 칸 밑에 보이게 */
@media (min-width: 641px) and (max-width: 960px) {
  .bk-hero { padding-bottom: calc(40vw + 60px); }
  .bk-hero::after { background-position: center 100%; }
}