/* 비카이 BKAI 시안 v2 - 밝은 바탕, 강조색 한 가지 */
:root {
  --ink: #111111;
  --body: #555555;
  --mute: #888888;
  --line: #E5E5E5;
  --grey: #F5F5F5;
  --white: #FFFFFF;
  --accent: #0F766E;      /* 청록(로고 짙은 청록·민트와 한 집안), 아껴서 씀 — 흰 글자 대비 5.5:1 */
  --accent-dark: #0F3D3E;
  --accent-soft: #E6F7F3;
  --wrap: 1200px;
  --gut: 16px;
  --head-h: 60px;
  --font: "Pretendard Variable", Pretendard, "Noto Sans KR", -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--head-h) + 8px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body { margin: 0; background: var(--white); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.65; word-break: keep-all; overflow-wrap: break-word; overflow-x: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gut) * 2); margin: 0 auto; padding: 0 var(--gut); }
.narrow { max-width: calc(880px + var(--gut) * 2); }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ink); color: #fff; padding: 8px 14px; }
.skip:focus { left: 8px; }
.br-d { display: none; }

/* 버튼 */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border: 1px solid var(--accent); border-radius: 4px; font: inherit; font-size: 15px; font-weight: 600; text-decoration: none; cursor: pointer; transition: background-color .15s, color .15s; }
.btn-solid { background: var(--accent); color: #fff; }
.btn-solid:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn-line { background: #fff; color: var(--accent); }
.btn-line:hover { background: var(--accent-soft); }
.btn-sm { min-height: 36px; padding: 0 14px; font-size: 14px; }
.btn-block { width: 100%; }

/* 머리 메뉴 */
.head { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--line); }
.head-row { display: flex; align-items: center; gap: 24px; height: var(--head-h); }
.logo { display: inline-flex; align-items: center; gap: 7px; text-decoration: none; color: var(--ink); }
.logo-mark { color: var(--accent); }
.logo-word { font-size: 20px; font-weight: 800; letter-spacing: -.01em; }
.logo-ko { font-size: 13px; color: var(--mute); font-weight: 500; margin-left: 2px; }
.nav { margin-left: auto; display: flex; gap: 32px; }
.nav a { font-size: 15px; font-weight: 500; text-decoration: none; color: var(--ink); }
.nav a:hover { color: var(--accent); }
.nav .nav-cta-m { display: none; }
.menu-btn { display: none; }

@media (max-width: 899px) {
  .head-cta { display: none; }
  .menu-btn { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; margin-left: auto; width: 44px; height: 44px; padding: 0 11px; border: 0; background: none; cursor: pointer; }
  .menu-btn span { display: block; height: 2px; background: var(--ink); border-radius: 1px; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: var(--head-h); flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 4px var(--gut) 16px; }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav .nav-cta-m { display: block; border: 0; color: var(--accent); font-weight: 700; }
}

/* 공통 글 */
.eyebrow { font-size: 14px; font-weight: 600; color: var(--accent); margin-bottom: 14px; }
.h2 { font-size: clamp(26px, 5.4vw, 38px); line-height: 1.32; font-weight: 700; letter-spacing: -.02em; }
.h3 { font-size: clamp(20px, 3.6vw, 26px); line-height: 1.38; font-weight: 700; letter-spacing: -.015em; }
.lead { margin-top: 18px; max-width: 680px; color: var(--body); font-size: 16px; }
.body { margin-top: 14px; color: var(--body); }
.sec { padding: 80px 0; }
.sec-grey { background: var(--grey); }
.sec-line { border-top: 1px solid var(--line); }
.center-head { text-align: center; margin-bottom: 44px; }

/* ───── 히어로 ───── */
.hero { position: relative; background: var(--white); }
.hero-track { display: grid; }
.slide { grid-area: 1 / 1; opacity: 0; visibility: hidden; transition: opacity .6s ease, visibility 0s linear .6s; }
.slide.is-active { opacity: 1; visibility: visible; transition: opacity .6s ease, visibility 0s; }
.slide-img img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: 72% 50%; }
.slide-copy { padding-top: 26px; padding-bottom: 8px; }
.slide-copy .eyebrow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 12px; }
.seg { color: var(--ink); font-weight: 600; padding-left: 9px; border-left: 1px solid #CFCFCF; line-height: 1.1; }
.live { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; color: var(--accent); background: var(--accent-soft); padding: 3px 8px; border-radius: 3px; }
.live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.slide-title { font-size: clamp(27px, 7.2vw, 52px); line-height: 1.28; font-weight: 800; letter-spacing: -.025em; color: var(--ink); }
.slide-sub { margin-top: 14px; color: var(--body); font-size: 15px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.cta-row .btn { flex: 1 1 140px; }
.hero-ctrl-wrap { padding-top: 22px; padding-bottom: 36px; }
.hero-ctrl { display: flex; align-items: center; gap: 14px; }
.dots { display: flex; gap: 2px; }
.dot { width: 24px; height: 24px; padding: 0; border: 0; background: none; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid #8A8A8A; background: transparent; transition: background-color .2s, border-color .2s; }
.dot[aria-current="true"]::before { background: var(--ink); border-color: var(--ink); }
.dot:hover::before { border-color: var(--ink); }
.pause { width: 28px; height: 28px; padding: 0; border: 1px solid #CFCFCF; border-radius: 50%; background: #fff; color: var(--ink); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.pause .ic-play { display: none; }
.pause.is-paused .ic-play { display: block; }
.pause.is-paused .ic-pause { display: none; }

@media (min-width: 900px) {
  .hero { height: clamp(560px, calc(100vh - var(--head-h)), 760px); overflow: hidden; }
  .hero-track, .slide { height: 100%; }
  .slide { position: relative; }
  .slide-img { position: absolute; inset: 0; }
  .slide-img img { width: 100%; height: 100%; aspect-ratio: auto; object-position: 70% 50%; }
  .slide-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.88) 0%, rgba(255,255,255,.7) 32%, rgba(255,255,255,0) 52%); }
  .slide-copy { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; justify-content: center; padding-top: 0; padding-bottom: 40px; }
  .slide-copy > * { max-width: 620px; }
  .slide-sub { font-size: 17px; margin-top: 18px; }
  .cta-row { margin-top: 32px; }
  .cta-row .btn { flex: 0 0 auto; min-width: 168px; }
  .hero-ctrl-wrap { position: absolute; left: 0; right: 0; bottom: 44px; z-index: 2; padding: 0 var(--gut); }
  .br-d { display: inline; }
}

/* ───── 한 문장 소개 ───── */
.statement { background: var(--grey); padding: 72px 0; text-align: center; }
.statement-logo { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: 16px; color: var(--ink); margin-bottom: 20px; }
.statement-logo svg { color: var(--accent); }
.statement-text { font-size: clamp(20px, 4.6vw, 32px); line-height: 1.5; font-weight: 500; letter-spacing: -.02em; }
.statement-small { margin-top: 14px; color: var(--mute); font-size: 14px; }

/* ───── 기능 칸 ───── */
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 40px; }
.tiles li { background: var(--grey); border-radius: 6px; padding: 26px 16px; text-align: center; }
.tiles li:last-child { grid-column: 1 / -1; }
.tiles b { display: block; font-size: 19px; font-weight: 700; letter-spacing: -.01em; }
.tiles span { display: block; margin-top: 8px; color: var(--body); font-size: 14px; line-height: 1.55; }
@media (min-width: 900px) {
  .tiles { grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 52px; }
  .tiles li { padding: 34px 20px; }
  .tiles li:last-child { grid-column: auto; }
  .tiles b { font-size: 22px; }
}

/* ───── 번갈아 줄 (그림 / 글) ───── */
.row { display: grid; gap: 28px; margin-top: 64px; align-items: center; }
.row-img img { width: 100%; border-radius: 6px; }
.row-copy .checks { margin-top: 20px; }
.checks li { display: flex; gap: 10px; padding: 6px 0; color: var(--body); font-size: 15px; }
.checks svg { flex: 0 0 18px; width: 18px; height: 18px; margin-top: 4px; color: var(--accent); }
.checks b { color: var(--ink); font-weight: 700; margin-right: 6px; }
.sub-title { font-size: clamp(22px, 4.4vw, 30px); font-weight: 700; letter-spacing: -.02em; margin-top: 96px; padding-top: 48px; border-top: 1px solid var(--line); }
.seg-row { margin-top: 48px; }
.tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--body); border: 1px solid #CFCFCF; border-radius: 3px; padding: 2px 9px; margin-bottom: 12px; }
.tag-live { color: var(--accent); border-color: var(--accent); }
.note { margin-top: 14px; font-size: 14px; color: var(--body); background: var(--grey); border-left: 3px solid #CFCFCF; padding: 10px 14px; }
.more { display: inline-flex; align-items: center; gap: 10px; margin-top: 22px; font-size: 15px; font-weight: 600; color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.more:hover { color: var(--accent-dark); }
.mini { margin-top: 26px; font-size: 14px; font-weight: 700; color: var(--ink); }
@media (min-width: 900px) {
  .row { grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 88px; }
  .row-rev .row-img { order: 2; }
  .seg-row { margin-top: 64px; }
}

/* 예시 통화 카드 */
.call { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 22px 20px; }
.call-head { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; color: var(--ink); padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.call-tag { font-size: 12px; font-weight: 700; color: var(--body); background: var(--grey); border: 1px solid var(--line); padding: 1px 8px; border-radius: 3px; }
.talk { padding: 16px 0 6px; display: grid; gap: 12px; }
.talk li { display: flex; gap: 12px; font-size: 15px; }
.talk .who { flex: 0 0 34px; font-size: 13px; font-weight: 700; color: var(--mute); padding-top: 2px; }
.talk .t-ai .who { color: var(--accent); }
.talk p { color: var(--ink); }
.call-saved { display: flex; align-items: center; gap: 8px; margin-top: 12px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 14px; font-weight: 600; color: var(--ink); }
.call-saved svg { color: var(--accent); }

/* 사무 자동화 */
.sec-grey .tiles li { background: #fff; }
@media (min-width: 900px) { .tiles-4 { grid-template-columns: repeat(4, 1fr); } }
.tiles-4 li:last-child { grid-column: auto; }
.lead.center { margin-left: auto; margin-right: auto; }
.mini-first { margin-top: 4px; }
.checks-tight li { padding: 3px 0; }
.statement-pair { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.statement-pair a { display: inline-block; padding: 8px 16px; border: 1px solid #CFCFCF; border-radius: 4px; background: #fff; font-size: 15px; font-weight: 600; text-decoration: none; }
.statement-pair a:hover { border-color: var(--accent); color: var(--accent); }
.seg-row:first-of-type { margin-top: 0; }
.flow { display: grid; gap: 0; margin-top: 56px; counter-reset: f; }
.flow li { display: grid; grid-template-columns: 32px 1fr; column-gap: 12px; padding: 16px 0; border-top: 1px solid #DADADA; }
.flow .n { grid-row: span 2; font-weight: 800; color: var(--accent); font-size: 18px; }
.flow b { font-size: 16px; }
.flow span:not(.n) { color: var(--body); font-size: 14px; }
@media (min-width: 900px) {
  .flow { grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 80px; }
  .flow li { border-top: 2px solid var(--ink); padding-top: 20px; }
}

/* 도입 절차 */
.steps { display: grid; gap: 28px; }
.steps li { border-top: 2px solid var(--ink); padding-top: 20px; }
.steps .n { font-size: 15px; font-weight: 800; color: var(--accent); }
.steps h3 { font-size: 20px; font-weight: 700; margin-top: 6px; }
.steps p { margin-top: 8px; color: var(--body); font-size: 15px; }
@media (min-width: 640px) { .steps { grid-template-columns: 1fr 1fr; gap: 36px 28px; } }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(4, 1fr); } }

/* FAQ */
.faq { border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 4px; font-size: 16px; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: 0 0 10px; width: 10px; height: 10px; border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(45deg) translate(-2px, -2px); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(-135deg) translate(-2px, -2px); }
.faq details p { padding: 0 4px 22px; color: var(--body); font-size: 15px; }
.faq-more { margin-top: 28px; text-align: center; color: var(--body); font-size: 15px; }
.faq-more a { color: var(--accent); font-weight: 600; }

/* 문의 */
.contact { display: grid; gap: 40px; }
.contact-mail { margin-top: 22px; }
.contact-mail a { font-size: 18px; font-weight: 700; color: var(--accent); }
.form { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 24px 18px; display: grid; gap: 16px; }
.choice { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.choice legend { font-size: 14px; font-weight: 600; margin-bottom: 8px; padding: 0; }
.choice label { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.choice span { display: inline-block; padding: 9px 14px; border: 1px solid #CFCFCF; border-radius: 4px; font-size: 14px; color: var(--body); }
.choice input:checked + span { border-color: var(--accent); color: var(--accent); font-weight: 600; background: var(--accent-soft); }
.choice input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.two { display: grid; gap: 16px; }
.field { display: grid; gap: 6px; }
.field > span { font-size: 14px; font-weight: 600; }
.field em { font-style: normal; font-size: 12px; font-weight: 500; color: var(--accent); margin-left: 4px; }
.field input, .field select, .field textarea { width: 100%; font: inherit; font-size: 15px; color: var(--ink); background: #fff; border: 1px solid #CFCFCF; border-radius: 4px; padding: 11px 12px; min-height: 48px; }
.field select { appearance: none; -webkit-appearance: none; padding-right: 38px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23111' stroke-width='1.6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.field textarea { resize: vertical; }
.agree { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--body); }
.agree input { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--accent); }
.form-msg { font-size: 14px; min-height: 1em; }
.form-msg.is-error { color: #B42318; }
.form-msg.is-info { color: var(--accent); font-weight: 600; }
@media (min-width: 640px) { .two { grid-template-columns: 1fr 1fr; } .form { padding: 32px; } }
@media (min-width: 900px) { .contact { grid-template-columns: 5fr 7fr; gap: 72px; align-items: start; } }

/* 바닥 */
.foot { border-top: 1px solid var(--line); padding: 44px 0 40px; background: #fff; }
.foot-info { margin-top: 22px; display: grid; gap: 4px; font-size: 13px; color: var(--body); }
.foot-info div { display: flex; flex-wrap: wrap; gap: 0 10px; }
.foot-info dt { color: var(--mute); }
.foot-info a { color: var(--body); }
.copy { margin-top: 20px; font-size: 12px; color: var(--mute); }
@media (min-width: 900px) { .foot-info { grid-template-columns: repeat(3, auto); justify-content: start; gap: 6px 36px; } }

@media (min-width: 900px) { .sec { padding: 120px 0; } .statement { padding: 104px 0; } }

@media (prefers-reduced-motion: reduce) {
  .slide, .slide.is-active { transition: none; }
}

/* ───────── 기능 카드 — 절제된 벤토 구성 (2026-11-03 v2: 색 덜고 여백·글자 위계·가는 선 아이콘) ───────── */
.tiles { --tile-bg: #F5F5F7; --t-ink: #1D1D1F; --t-sub: #6E6E73; }
.tiles li { background: var(--tile-bg); border-radius: 22px; padding: 28px 26px 30px; text-align: left; display: flex; flex-direction: column; gap: 6px;
  transition: transform .5s cubic-bezier(.2,.7,.2,1), box-shadow .5s cubic-bezier(.2,.7,.2,1); }
.tiles .ti { display: block; width: 30px; height: 30px; margin: 0 0 18px; color: var(--accent); font-style: normal; }
.tiles .ti svg { width: 30px; height: 30px; display: block; }
.tiles .ti svg * { stroke-width: 1.5; }
.tiles .ti svg path, .tiles .ti svg rect { fill: none; }
.tiles b { font-size: 19px; font-weight: 600; letter-spacing: -.015em; color: var(--t-ink); }
.tiles span { margin-top: 0; font-size: 15px; line-height: 1.55; color: var(--t-sub); letter-spacing: -.005em; }

/* 전화 응대: 왼쪽 큰 카드(24시간) + 오른쪽 네 칸 */
.tiles-voice .c1 b { font-size: 46px; font-weight: 700; letter-spacing: -.035em; line-height: 1.05; margin-top: auto; }
.tiles-voice .c1 span { font-size: 16px; max-width: 18em; }
.tiles-voice .c1 { background: linear-gradient(160deg, #F5F5F7 55%, #EAF4F2 100%); }
@media (min-width: 900px) {
  .tiles-voice { grid-template-columns: 1.15fr 1fr 1fr; grid-template-rows: auto auto; gap: 14px; }
  .tiles-voice .c1 { grid-row: 1 / span 2; padding: 34px 32px 36px; min-height: 360px; }
  .tiles-voice .c1 b { font-size: 64px; }
  .tiles-voice li:last-child { grid-column: auto; }
  .tiles li { padding: 30px 28px 32px; }
  .tiles b { font-size: 20px; }
}
@media (max-width: 899px) {
  .tiles-voice .c1 { grid-column: 1 / -1; min-height: 200px; }
  .tiles-voice li:last-child { grid-column: auto; }
  .tiles li { padding: 22px 18px 24px; border-radius: 18px; }
  .tiles b { font-size: 17px; }
  .tiles span { font-size: 14px; }
  .tiles .ti { margin-bottom: 14px; }
}

/* 사무 자동화: 흰 카드 + 작은 순서 표시 */
.sec-grey .tiles-office li { background: #FFFFFF; box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 0 0 1px rgba(0,0,0,.03); }
.tiles-office .tn { order: -1; font-style: normal; font-size: 12px; font-weight: 600; letter-spacing: .08em; color: var(--t-sub); margin-bottom: 18px; }
.tiles-office .tn + .ti { margin-top: 0; }

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .tiles li:hover { transform: scale(1.012); box-shadow: 0 12px 32px -14px rgba(0,0,0,.18); }
}
/* ───────── 구역 색 리듬 (2026-11-03: 흰 바탕 위주 + 간간이 색) ─────────
   흰(첫 화면) → 짙은 청록(소개) → 흰(전화) → 옅은 민트(사무) → 흰(업종) → 짙은 청록(절차) → 흰(질문) → 옅은 민트(문의) */
:root { --deep: #0F3D3E; --deep-2: #0B3132; --mint-tint: #EEF6F4; --mint: #5EEAD4; }

/* 소개 띠 */
.statement { background: radial-gradient(120% 140% at 50% -20%, #17595A 0%, var(--deep) 55%, var(--deep-2) 100%); color: #fff; }
.statement-logo { color: #fff; }
.statement-text { color: #fff; }
.statement-small { color: rgba(255,255,255,.62); }
.statement-pair a { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.28); color: #fff; border-radius: 999px; padding: 9px 20px; }
.statement-pair a:hover { background: rgba(94,234,212,.14); border-color: var(--mint); color: #fff; }

/* 사무 자동화 · 문의: 옅은 민트 */
#office.sec-grey, #contact.sec-grey { background: var(--mint-tint); }
.sec-grey .tiles-office li { box-shadow: 0 1px 2px rgba(15,61,62,.05), 0 0 0 1px rgba(15,61,62,.05); }

/* 도입 절차: 짙은 청록 */
#process { background: linear-gradient(180deg, var(--deep) 0%, var(--deep-2) 100%); color: #fff; }
#process .eyebrow { color: var(--mint); }
#process .h2 { color: #fff; }
#process .steps li { border-top: 1px solid rgba(94,234,212,.45); }
#process .steps .n { color: var(--mint); }
#process .steps h3 { color: #fff; }
#process .steps p { color: rgba(255,255,255,.7); }
#faq.sec-line { border-top: 0; }