@import url("https://fonts.googleapis.com/earlyaccess/nanummyeongjo.css");
:root {
  --ink: #111;
  --text: #486175;
  --muted: #5f7585;
  --sky: #8fd2f2;
  --sky-hover: #74c5ed;
  --sky-soft: #f0f9ff;
  --gray-soft: #edf6fb;
  --white: #fff;
  --line: #cfe3f0;
  --control-line: #7698ad;
  --accent: #246e96;
  --error: #a33832;
  --header-h: 88px;
}
*, *::before, *::after { box-sizing: border-box; letter-spacing: -0.03em; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
body { margin: 0; color: var(--text); background: var(--white); font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; font-size: 16px; line-height: 1.75; word-break: keep-all; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a, input, textarea { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button, label { -webkit-user-select: none; user-select: none; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { color: var(--ink); }
h1 { font-family: "Nanum Myeongjo", serif; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-family: "Nanum Myeongjo", serif; font-weight: 700; letter-spacing: -0.03em; }
h3 { font-weight: 600; }
.container { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: -100px; left: 20px; padding: 12px 20px; color: var(--white); background: var(--ink); }
.skip-link:focus { top: 12px; }
.btn { display: inline-flex; min-height: 56px; align-items: center; justify-content: center; gap: 6px; padding: 15px 25px; border: 1px solid transparent; border-radius: 8px; font-size: 15px; font-weight: 500; cursor: pointer; transition: background .2s, border-color .2s; }
.btn--primary { background: #111; color: var(--white); }
.btn--primary:hover { background: #333; }
.btn--block { width: 100%; }
.btn:disabled { opacity: .6; cursor: wait; }

/* Masthead */
.header { height: var(--header-h); position: sticky; top: 0; z-index: 50; background: var(--white); border-bottom: 1px solid var(--line); }
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-size: 18px; font-weight: 650; }
.brand img { width: 43px; height: 43px; object-fit: contain; }
.brand__en { margin-left: 4px; font-size: .78em; font-weight: 500; color: var(--muted, #555); letter-spacing: 0; }
.nav { display: flex; gap: 38px; align-items: center; font-size: 15px; font-weight: 500; color: var(--ink); }
.nav a { display: inline-flex; min-height: 44px; align-items: center; }
.nav a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 6px; }
.nav .nav__cta { padding: 8px 21px; border: 1px solid #111; border-radius: 8px; background: #111; color: var(--white); }
.nav .nav__cta:hover { background: #333; border-color: #333; color: var(--white); }
.nav-toggle { display: none; }

/* Main visual */
.hero { position: relative; isolation: isolate; overflow: hidden; background: var(--sky-soft); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(90deg, rgba(240, 249, 255, .74) 0%, rgba(240, 249, 255, .6) 35%, rgba(240, 249, 255, .16) 70%, rgba(240, 249, 255, .03) 100%); }
.hero__inner { display: flex; align-items: center; min-height: 720px; min-height: clamp(660px, calc(100svh - var(--header-h)), 880px); }
.hero__text { width: min(760px, 100%); padding: 100px 0; }
.eyebrow { margin-bottom: 12px; font-size: 18px; color: var(--accent); font-weight: 600; }
.hero h1 { font-size: clamp(40px, 4.2vw, 64px); font-weight: 700; line-height: 1.28; animation: hero-title-rise 1.6s cubic-bezier(.22, 1, .36, 1) .15s both; }
@keyframes hero-title-rise {
  from { opacity: 0; transform: translateY(36px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero__sub { max-width: 540px; margin: 18px 0 34px; color: #294f6b; font-size: 17px; line-height: 1.9; }
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 28%; z-index: -1; pointer-events: none; background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, var(--white) 100%); }
.hero__visual { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; }
.hero__visual img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero__visual img { animation: hero-zoom 6s cubic-bezier(.2, .6, .3, 1) both; transform-origin: 60% 50%; will-change: transform; }
@keyframes hero-zoom { from { transform: scale(1.1); } to { transform: scale(1); } }

.section { padding: 120px 0; }
.section__label { margin-bottom: 10px; color: var(--accent); font-weight: 600; font-size: 18px; }
.section h2 { font-size: clamp(29px, 2.8vw, 40px); line-height: 1.38; }
.section__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 48px; margin-bottom: 58px; }
.section__head > p { padding-bottom: 8px; line-height: 1.85; }

/* Representative */
.about__inner { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); align-items: start; gap: clamp(56px, 7vw, 100px); }
.about { position: relative; isolation: isolate; overflow: hidden; }
.about__inner { position: relative; }
.about__inner::before { content: ""; position: absolute; z-index: -1; top: 100px; bottom: -1000px; left: -100vw; right: -100vw; background: var(--gray-soft); }
.about__inner::after { content: "HYEAN"; position: absolute; z-index: -1; right: calc((100% - 100vw) / 2 + 24px); bottom: -100px; color: var(--white); font-size: clamp(64px, 9vw, 130px); font-weight: 800; line-height: .72; letter-spacing: -0.02em; pointer-events: none; }
.about__photo img { width: 100%; height: auto; background: var(--sky-soft); }
.about__text { min-width: 0; }
.quote { margin: -0.25em 0 40px; padding: 0; color: var(--ink); font-size: 26px; font-weight: 500; line-height: 1.65; }
.quote .br-mobile { display: none; }
.about__name { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; color: var(--muted); font-size: 16px; margin-top: 24px; }
.about__name span { white-space: nowrap; }
.about__name strong { white-space: nowrap; color: var(--ink); font-size: 30px; font-weight: 600; line-height: 1.3; }
.career { margin: 0; border-top: 1px solid var(--line); font-size: 18px; line-height: 1.8; }
.career div { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.career dt { color: var(--muted); font-weight: 500; }
.career dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
.career dd span { display: block; }

/* Services */
.services { position: relative; isolation: isolate; overflow: hidden; background: #e9f3fa; }
.services::before, .services::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.services::before { background: linear-gradient(135deg, rgba(255, 255, 255, .75) 0%, rgba(255, 255, 255, .35) 100%); clip-path: polygon(0 0, 74% 0, 24% 100%, 0 100%); }
.services::after { background: linear-gradient(160deg, rgba(143, 210, 242, .15) 0%, rgba(143, 210, 242, .45) 100%); clip-path: polygon(0 8%, 58% 82%, 46% 100%, 0 100%); }
.services__note { margin-top: 28px; text-align: center; }
.service-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.service-card { display: flex; flex-direction: column; min-width: 0; padding: 40px; background: var(--white); border: 1px solid var(--line); border-radius: 6px; }
.service-card h3 { font-size: 24px; line-height: 1.5; }
.service-card__list { display: grid; gap: 14px; margin: 26px 0 36px; padding-left: 20px; line-height: 1.85; }
.service-card__list li { padding-left: 3px; color: var(--ink); font-weight: 500; }
.service-card__list li::marker { color: var(--accent); }
.service-card__link { display: inline-flex; align-self: flex-end; align-items: center; justify-content: center; min-height: 44px; margin-top: auto; padding: 10px 24px; border-radius: 8px; background: var(--accent); color: var(--white); font-size: 15px; font-weight: 600; transition: background .2s; }
.service-card__link:hover { background: #1b5878; }

/* FAQ */
.faq__inner { max-width: 880px; }
.faq__head { margin-bottom: 48px; text-align: center; }
.faq__list { border-top: 1px solid var(--control-line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__item summary { display: flex; align-items: flex-start; gap: 16px; padding: 24px 40px 24px 0; position: relative; cursor: pointer; list-style: none; color: var(--ink); font-size: 18px; font-weight: 600; line-height: 1.6; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: ""; position: absolute; right: 6px; top: 32px; width: 9px; height: 9px; border-right: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink); transform: rotate(45deg); transition: transform .2s; }
.faq__item[open] summary::after { transform: translate(0, 4px) rotate(-135deg); }
.faq__item summary:hover { color: var(--accent); }
.faq__q { flex: none; color: var(--accent); font-family: "Nanum Myeongjo", serif; }
.faq__item p { margin: -8px 0 0; padding: 0 40px 26px 30px; }
.faq__item p a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.faq + .contact { padding-top: 0; }
.faq + .contact .contact__inner { padding-top: 120px; border-top: 1px solid var(--line); }

/* Contact */
.contact__inner { display: grid; grid-template-columns: 1fr 1.25fr; gap: 100px; }
.contact__info > p:not(.section__label) { margin: 24px 0 42px; }
.contact__direct { margin: 0; display: grid; gap: 12px; font-size: 15px; }
.contact__direct div { display: flex; gap: 24px; }
.contact__direct dt { width: 44px; color: var(--muted); }
.contact__direct dd { margin: 0; color: var(--ink); }
.contact__direct a:hover { text-decoration: underline; text-underline-offset: 4px; }
.form { display: grid; gap: 25px; border-top: 1px solid var(--control-line); padding-top: 18px; }
.form__guide { text-align: right; font-size: 12px; color: var(--muted); margin-bottom: -4px; }
.field { display: grid; gap: 9px; margin: 0; padding: 0; border: 0; min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field label, .field legend { padding: 0; color: var(--ink); font-size: 14px; font-weight: 550; }
.field legend { margin-bottom: 7px; }
.field em { color: var(--accent); font-style: normal; margin-left: 2px; }
.form input[type=text], .form input[type=tel], .form textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--control-line); border-radius: 2px; background: var(--white); color: var(--ink); font-size: 16px; line-height: 1.6; transition: border-color .2s; }
.form input::placeholder, .form textarea::placeholder { color: var(--muted); opacity: 1; font-size: 14px; }
.form textarea { resize: vertical; min-height: 120px; }
.form input:focus, .form textarea:focus { border-color: var(--accent); }
.form .is-invalid { border-color: var(--error); }
.service-options { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.service-options label { display: flex; align-items: center; gap: 9px; min-height: 44px; cursor: pointer; font-weight: 400; }
.service-options input { width: 17px; height: 17px; margin: 0; accent-color: var(--accent); cursor: pointer; flex-shrink: 0; }
.service-options.is-invalid { outline: 1px solid var(--error); outline-offset: 4px; }
.agree { display: flex; gap: 10px; align-items: flex-start; padding-block: 5px; font-size: 13px; cursor: pointer; }
.agree input { width: 17px; height: 17px; flex-shrink: 0; margin: 3px 0 0; accent-color: var(--accent); cursor: pointer; }
.hp { display: none; }
.form__note { margin-top: -12px; font-size: 12px; line-height: 1.65; color: var(--muted); }
.form__status { font-size: 14px; line-height: 1.6; }
.form__status:empty { display: none; }
.form__status.ok { color: var(--ink); }
.form__status.err { color: var(--error); }

/* Footer */
.footer { padding: 40px 0 30px; background: var(--sky-soft); border-top: 1px solid var(--line); font-size: 13px; }
.footer__inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px 48px; }
.brand--footer { font-size: 16px; }
.brand--footer img { width: 35px; height: 35px; }
.footer__info { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 5px 20px; font-size: 12px; }
.footer__info span:first-child { display: none; }
.footer__info a:hover { text-decoration: underline; }
.footer__copy { grid-column: 1 / -1; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer__privacy { margin-right: 14px; color: var(--ink); font-weight: 700; }
.footer__privacy:hover, .agree a:hover { text-decoration: underline; text-underline-offset: 3px; }
.agree a { color: var(--accent); font-weight: 600; white-space: nowrap; }

/* Privacy policy page */
.policy { padding: 80px 0 120px; }
.policy__inner { max-width: 880px; }
.policy h1 { margin-bottom: 28px; font-family: inherit; font-size: clamp(28px, 3vw, 38px); letter-spacing: -0.03em; }
.policy h2 { margin: 0 0 14px; color: var(--ink); font-size: 20px; letter-spacing: -0.03em; }
.policy section { padding-top: 40px; margin-top: 40px; border-top: 1px solid var(--line); scroll-margin-top: calc(var(--header-h) + 24px); }
.policy p + p, .policy p + ul, .policy ul + p, .policy p + .policy__table, .policy__table + p, .policy p + .policy__contact { margin-top: 12px; }
.policy ul { margin: 0; padding-left: 20px; }
.policy li + li { margin-top: 6px; }
.policy h3 { margin: 28px 0 10px; color: var(--ink); font-size: 17px; }
.policy strong { color: var(--ink); }
.policy__lead { color: var(--ink); }
.policy__home { font-size: 15px; font-weight: 600; color: var(--ink); }
.policy__home:hover { text-decoration: underline; text-underline-offset: 4px; }
.policy__toc { margin-top: 36px; padding: 26px 30px; background: var(--sky-soft); border-radius: 8px; }
.policy__toc > p { margin-bottom: 10px; color: var(--ink); font-weight: 700; }
.policy__toc ol { margin: 0; padding-left: 22px; columns: 2; column-gap: 40px; font-size: 15px; }
.policy__toc li { break-inside: avoid; }
.policy__toc a:hover, .policy__contact a:hover { color: var(--accent); text-decoration: underline; }
.policy__table { overflow-x: auto; }
.policy table { width: 100%; border-collapse: collapse; font-size: 15px; }
.policy th, .policy td { padding: 12px 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.policy th { background: var(--sky-soft); color: var(--ink); font-weight: 600; }
.policy td:first-child { white-space: nowrap; }
.policy__contact { display: grid; gap: 6px; margin: 0; padding: 20px 24px; border: 1px solid var(--line); border-radius: 8px; }
.policy__contact div { display: flex; gap: 20px; }
.policy__contact dt { width: 52px; color: var(--muted); }
.policy__contact dd { margin: 0; color: var(--ink); }
@media (max-width: 540px) {
  .policy { padding: 48px 0 80px; }
  .policy section { padding-top: 32px; margin-top: 32px; }
  .policy h2 { font-size: 18px; }
  .policy__toc { padding: 22px 20px; }
  .policy__toc ol { columns: 1; }
  .policy th, .policy td { padding: 10px; font-size: 14px; }
}


@media (max-width: 1100px) {
  .container { width: calc(100% - 80px); }
  .hero__text { padding: 90px 0; }
  .hero h1 { font-size: clamp(40px, 5.4vw, 56px); }
  .hero__sub { font-size: 16px; }
  .about__inner { grid-template-columns: minmax(0, 260px) minmax(0, 1fr); gap: 48px; }
  .quote { font-size: 24px; }
  .section { padding: 92px 0; }
  .service-card { padding: 30px; }
  .service-card h3 { font-size: 22px; }
  .contact__inner { gap: 55px; }
  .footer__inner { grid-template-columns: 1fr; gap: 20px; }
  .footer__info { justify-content: flex-start; }
}
@media (max-width: 800px) {
  :root { --header-h: 72px; }
  .container { width: calc(100% - 48px); }
  .brand { gap: 9px; font-size: 16px; }
  .brand img { width: 36px; height: 36px; }
  .nav-toggle { display: grid; align-content: center; justify-items: center; gap: 6px; width: 44px; height: 44px; background: transparent; border: 0; cursor: pointer; }
  .nav-toggle span { display: block; width: 23px; height: 1px; background: var(--ink); transition: transform .2s; }
  .nav-toggle[aria-expanded=true] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle[aria-expanded=true] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .nav { position: absolute; top: var(--header-h); left: 0; right: 0; display: none; padding: 15px 24px 24px; background: var(--white); border-bottom: 1px solid var(--line); }
  .nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 5px; }
  .nav a { padding: 10px 0; }
  .nav .nav__cta { margin-top: 5px; justify-content: center; }
  .hero::before { background: linear-gradient(180deg, rgba(240, 249, 255, .92) 0%, rgba(240, 249, 255, .8) 45%, rgba(240, 249, 255, .2) 100%); }
  .hero__inner { min-height: 680px; min-height: clamp(640px, calc(100svh - var(--header-h)), 800px); align-items: flex-start; }
  .hero__text { padding: 76px 0 150px; }
  .eyebrow { margin-bottom: 10px; font-size: 16px; }
  .hero h1 { font-size: clamp(34px, 5.8vw, 46px); line-height: 1.32; }
  .hero__sub { font-size: 15px; max-width: 440px; margin: 15px 0 29px; }
  .hero__visual img { object-position: 64% center; }
  .section { padding: 76px 0; }
  .section__label { margin-bottom: 8px; font-size: 16px; }
  .section h2 { font-size: 30px; }
  .about__inner { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .about__inner::after { bottom: -56px; }
  .about__photo { display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 1fr); align-items: center; gap: 32px; }
  .about__name { margin-top: 0; }
  .about h2 { font-size: 25px; }
  .quote { margin: 0 0 32px; }
  .quote br { display: none; }
  .career div { grid-template-columns: 48px minmax(0, 1fr); gap: 24px; }
  .section__head { margin-bottom: 38px; gap: 28px; align-items: flex-start; }
  .section__head > p { font-size: 14px; padding-top: 41px; }
  .service-cards { grid-template-columns: 1fr; gap: 20px; }
  .contact__inner { grid-template-columns: 1fr; gap: 42px; }
  .contact__info > p:not(.section__label) { margin: 20px 0 28px; }
  .form { gap: 23px; }
}
@media (max-width: 540px) {
  .faq__item summary { font-size: 16px; padding: 20px 32px 20px 0; gap: 12px; }
  .faq__item summary::after { top: 27px; }
  .faq__item p { padding: 0 0 22px 26px; font-size: 15px; }
  .faq + .contact .contact__inner { padding-top: 80px; }
  .hero h1 { font-size: clamp(29px, 7.7vw, 40px); }
  .hero__sub { font-size: 14px; }
  .hero__inner { min-height: 540px; min-height: clamp(500px, calc(78svh - var(--header-h)), 600px); align-items: center; justify-content: center; }
  .hero__text { padding: 56px 0 72px; text-align: center; }
  .hero__sub { margin-inline: auto; }
  .about__inner { gap: 36px; }
  .about__photo { display: block; width: min(100%, 300px); margin-inline: auto; }
  .about h2 { font-size: 28px; }
  .about__name { margin-top: 22px; justify-content: center; text-align: center; }
  .quote { font-size: 22px; }
  .quote br, .quote .br-mobile { display: inline; }
  .career { font-size: 16px; }
  .career div { grid-template-columns: 40px minmax(0, 1fr); gap: 16px; padding: 20px 0; }
  .section__head { display: block; }
  .section__head > p { padding-top: 18px; }
  .service-card { padding: 26px 24px; }
  .service-card h3 { font-size: 21px; }
  .service-card__list { margin: 22px 0 28px; font-size: 15px; }
  .field-row { grid-template-columns: 1fr; gap: 23px; }
  .agree { font-size: 12px; }
  .footer { padding: 32px 0 25px; }
  .footer__info { display: grid; gap: 5px; }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 36px); }
  .brand { font-size: 14px; line-height: 1.25; }
  .brand__en { display: block; margin-left: 0; font-size: 11px; }
  .brand img { width: 31px; height: 31px; }
  .hero h1 { font-size: 27px; }
  .hero__sub br { display: none; }
  .section h2, .about h2 { font-size: 25px; }
  .service-card h3 { font-size: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .hero__visual img { animation: none; }
  .hero h1 { animation: none; }
}