/* teraon.com — "에디토리얼 테크" (명세서 6장)
   잉크·종이·앰버 3색, 신문 지면식 섹션 머리와 가는 구분선, 숫자는 모노스페이스 */

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono/jetbrains-mono-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #161b21;
  --ink-2: #222a32;
  --ink-3: #2c353d;
  --paper: #faf8f3;
  --paper-2: #f2eee5;
  --white: #ffffff;
  --amber: #efbb20;
  --amber-soft: #f6d677;
  --amber-text: #8a6200;
  --amber-wash: #fdf4d8;
  --line: #e4dfd4;
  --line-dark: #343d46;
  --muted: #5a6570;
  --muted-dark: #a9b1b9;
  --danger: #b42318;
  --ok: #1f7a4d;

  --font-sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "맑은 고딕", "Noto Sans KR", sans-serif;
  --font-mono: "JetBrains Mono", "Pretendard Variable", Pretendard, ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; /* 한글은 Pretendard 로 */

  --container: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 72px;
  --radius: 4px;
  --radius-lg: 10px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- 기본 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 20px); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
img, svg, picture { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; line-height: 1.28; letter-spacing: -0.025em; font-weight: 800; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
::selection { background: var(--amber); color: var(--ink); }
main:focus { outline: none; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; background: var(--amber); color: var(--ink); font-weight: 700; border-radius: var(--radius); }
.skip-link:focus { top: 12px; }
.icon { width: 20px; height: 20px; flex: none; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
.strong { font-weight: 700; margin-top: 20px; margin-bottom: 10px; }
.note { margin-top: 16px; font-size: 14px; color: var(--muted); }

/* ---------- 레이아웃 ---------- */
.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.container--narrow { max-width: calc(800px + var(--gutter) * 2); }
.section { padding: clamp(72px, 10vw, 128px) 0; }
.section + .section { border-top: 1px solid var(--line); }

.section-head { margin-bottom: clamp(36px, 5vw, 64px); padding-top: 18px; border-top: 2px solid var(--ink); }
.section-head__meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 16px; margin: 0 0 20px; font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; }
.section-head__num { color: var(--amber-text); font-weight: 700; }
.section-head__label { font-family: var(--font-sans); font-weight: 700; letter-spacing: 0; text-transform: none; }
.section-head__en { color: var(--muted); }
.section-head__title { max-width: 15em; font-size: clamp(30px, 4.6vw, 56px); letter-spacing: -0.035em; }
.section-head--light { border-top-color: var(--paper); }
.section-head--light .section-head__num { color: var(--amber); }
.section-head--light .section-head__en { color: var(--muted-dark); }
.section-lead { max-width: 34em; font-size: clamp(18px, 1.6vw, 21px); line-height: 1.65; color: var(--ink-3); }

.eyebrow { margin: 0 0 18px; font-family: var(--font-mono); font-size: 13px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
.eyebrow--amber { color: var(--amber); } /* 어두운 바탕에서만 */

/* ---------- 버튼 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 22px; border: 1.5px solid transparent; border-radius: var(--radius); font-size: 16px; font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; text-align: center; cursor: pointer; transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease); }
.btn .icon { width: 18px; height: 18px; }
.btn:active { transform: translateY(1px); }
.btn--amber { background: var(--amber); color: var(--ink); }
.btn--amber:hover { background: var(--amber-soft); }
.btn--ink { background: var(--ink); color: var(--paper); }
.btn--ink:hover { background: var(--ink-3); }
.btn--line { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn--line:hover { background: var(--ink); color: var(--paper); }
.btn--ghost { border-color: rgba(250, 248, 243, .45); color: var(--paper); }
.btn--ghost:hover { border-color: var(--amber); color: var(--amber); }
.btn--sm { min-height: 40px; padding: 8px 16px; font-size: 15px; }
.btn--block { display: flex; width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.link-more { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 20px; font-weight: 700; }
.link-more .icon { width: 16px; height: 16px; transition: transform .2s var(--ease); }
.link-more:hover .icon { transform: translateX(4px); }

/* ---------- 헤더 ---------- */
.site-header { position: sticky; top: 0; z-index: 50; height: var(--header-h); background: rgba(250, 248, 243, .92); -webkit-backdrop-filter: saturate(1.2) blur(10px); backdrop-filter: saturate(1.2) blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s; }
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(22, 27, 33, .05); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 100%; }
.brand { display: inline-flex; align-items: center; }
.brand__logo { width: auto; height: 32px; }
.nav { display: flex; align-items: center; gap: 20px; }
.nav__list { display: flex; gap: 2px; }
.nav__link { position: relative; display: flex; align-items: baseline; gap: 6px; padding: 8px 12px; font-size: 15px; font-weight: 600; color: var(--ink-3); }
.nav__num { font-family: var(--font-mono); font-size: 11px; font-weight: 500; color: var(--muted); }
.nav__link::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px; background: var(--amber); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--ink); }
.nav-toggle { display: none; }

/* ---------- 히어로 ---------- */
.hero { position: relative; display: flex; flex-direction: column; min-height: calc(100vh - var(--header-h)); min-height: calc(100svh - var(--header-h)); overflow: hidden; background: var(--ink); color: var(--paper); }
.hero__inner { position: relative; z-index: 1; flex: 1; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); align-items: center; gap: 48px; padding-top: clamp(56px, 9vh, 110px); padding-bottom: 56px; }
.hero__title { margin-bottom: 28px; font-size: clamp(44px, 7.4vw, 100px); line-height: 1.08; letter-spacing: -0.045em; }
.hero__title .line { display: block; }
.hero__title em { font-style: normal; color: var(--amber); }
.hero__lead { max-width: 30em; margin: 0; font-size: clamp(18px, 1.7vw, 22px); color: var(--muted-dark); }
.hero__lead strong { color: var(--paper); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.hero__index { border-top: 1px solid var(--line-dark); font-size: 15px; }
.hero__index-title { display: flex; justify-content: space-between; margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line-dark); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--muted-dark); }
.hero__index a { display: grid; grid-template-columns: 44px 1fr 20px; align-items: center; padding: 13px 0; border-bottom: 1px solid var(--line-dark); transition: color .2s, padding .2s var(--ease); }
.hero__index a:hover { color: var(--amber); padding-left: 6px; }
.hero__index-num { font-family: var(--font-mono); font-size: 13px; color: var(--amber); }
.hero__index .icon { width: 16px; height: 16px; opacity: .6; }
.hero__strip { position: relative; z-index: 1; border-top: 1px solid var(--line-dark); background: rgba(255, 255, 255, .02); }
.hero__strip-inner { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.hero__quick { display: flex; align-items: center; gap: 14px; padding: 22px 24px; border-left: 1px solid var(--line-dark); transition: background-color .2s; }
.hero__quick:first-child { border-left: 0; }
.hero__quick:hover { background: rgba(239, 187, 32, .08); }
.hero__quick .icon { width: 26px; height: 26px; color: var(--amber); }
.hero__quick span { display: flex; flex-direction: column; font-size: 17px; font-weight: 700; line-height: 1.35; }
.hero__quick small { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: 0.02em; color: var(--muted-dark); }

/* 현행 사이트 히어로의 앰버 빛줄기를 단순화한 사선 + 흐르는 빛 */
.hero__lines { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero__lines span { position: absolute; top: -30%; width: 1px; height: 160%; transform: rotate(32deg); background: linear-gradient(to bottom, transparent, rgba(239, 187, 32, .9), transparent) no-repeat; background-size: 100% 26%; background-position: 0 -60%; animation: streak 7s linear infinite; }
.hero__lines span::before { content: ""; position: absolute; inset: 0; background: rgba(239, 187, 32, .09); }
.hero__lines span:nth-child(1) { left: 54%; animation-duration: 8s; animation-delay: -1s; }
.hero__lines span:nth-child(2) { left: 60%; width: 2px; animation-duration: 6.5s; animation-delay: -4s; }
.hero__lines span:nth-child(3) { left: 66%; animation-duration: 9s; animation-delay: -2.5s; }
.hero__lines span:nth-child(4) { left: 71%; width: 2px; animation-duration: 7.5s; animation-delay: -6s; }
.hero__lines span:nth-child(5) { left: 77%; animation-duration: 10s; animation-delay: -3s; }
.hero__lines span:nth-child(6) { left: 82%; width: 3px; animation-duration: 8.5s; animation-delay: -7s; opacity: .7; }
.hero__lines span:nth-child(7) { left: 88%; animation-duration: 6s; animation-delay: -1.5s; }
.hero__lines span:nth-child(8) { left: 93%; width: 2px; animation-duration: 9.5s; animation-delay: -5s; }
.hero__lines span:nth-child(9) { left: 99%; animation-duration: 7s; animation-delay: -2s; }
@keyframes streak { from { background-position: 0 -60%; } to { background-position: 0 160%; } }

/* ---------- 회사소개 ---------- */
.about { padding-bottom: 0; }
.about__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.about__lead { margin: 0; font-size: clamp(22px, 2.4vw, 30px); font-weight: 700; line-height: 1.5; letter-spacing: -0.03em; }
.about__body p { color: var(--ink-3); }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: clamp(48px, 6vw, 80px) 0 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.fact { padding: 24px 20px 24px 0; border-right: 1px solid var(--line); }
.fact + .fact { padding-left: 24px; }
.fact:last-child { border-right: 0; }
.fact dt { margin-bottom: 8px; font-size: 14px; color: var(--muted); }
.fact dd { margin: 0; font-size: 16px; font-weight: 600; }
.fact__num { margin-right: 4px; font-family: var(--font-mono); font-size: clamp(32px, 3.8vw, 46px); font-weight: 700; line-height: 1; letter-spacing: -0.04em; }
.fact__text { line-height: 1.5; }
.about__band { position: relative; display: flex; align-items: flex-end; min-height: clamp(400px, 46vw, 580px); margin-top: clamp(64px, 8vw, 112px); overflow: hidden; background: var(--ink); color: var(--paper); }
.about__band picture, .about__band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.about__band img { filter: sepia(.25) saturate(.9) brightness(1.05) contrast(.92); } /* 사진 공통 밝은 컬러 톤 */
.about__band::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(22, 27, 33, .92) 15%, rgba(22, 27, 33, .7) 55%, rgba(22, 27, 33, 0) 95%); } /* 아래 글자 가독성용 */
.about__band-caption { position: relative; z-index: 1; padding-top: 72px; padding-bottom: clamp(40px, 5vw, 72px); }
.about__motto { margin-bottom: 16px; font-size: clamp(28px, 4vw, 48px); font-weight: 800; line-height: 1.2; letter-spacing: -0.035em; }
.about__motto::before { content: ""; display: block; width: 56px; height: 4px; margin-bottom: 24px; background: var(--amber); }
.about__motto-body { max-width: 36em; margin: 0; color: #d7dce0; }

/* ---------- 사진 — 따뜻한 밝은 컬러, 그림자만 살짝 올림 (흑백+앰버 듀오톤은 어두워서 바꿈) ---------- */
.duo { position: relative; overflow: hidden; isolation: isolate; background: var(--white); border-radius: var(--radius-lg); }
.duo picture, .duo img { width: 100%; height: 100%; }
.duo img { object-fit: cover; filter: sepia(.25) saturate(.9) brightness(1.15) contrast(.92); }
.duo::after { content: ""; position: absolute; inset: 0; background: #3d3628; mix-blend-mode: lighten; pointer-events: none; }
.duo--wide { aspect-ratio: 16 / 10; }

/* ---------- 마이벨 (메인 요약) ---------- */
.mybell-home__grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.point-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 32px; margin-top: 40px; }
.point { display: flex; gap: 16px; }
.point__icon { display: grid; place-items: center; width: 44px; height: 44px; flex: none; border-radius: 50%; background: var(--ink); color: var(--amber); }
.point__title { margin-bottom: 6px; font-size: 18px; }
.point p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--muted); }
.mybell-home__photo { aspect-ratio: 4 / 5; }
.mybell-illust { margin: 0; }
.mybell-illust__svg { display: block; width: 100%; height: auto; }
.mybell-illust .mi-t { font-family: var(--font-sans); letter-spacing: -0.02em; }
.mybell-illust .mi-mono { font-family: var(--font-mono); letter-spacing: -0.02em; }
.mybell-illust .mi-ring { animation: mi-ring 1.6s ease-in-out infinite; }
.mybell-illust .mi-ring--2 { animation-delay: .2s; }
.mybell-illust .mi-ring--3 { animation-delay: .4s; }
@keyframes mi-ring { 0%, 100% { opacity: .15; } 50% { opacity: 1; } }

/* ---------- 실적 ---------- */
.logo-wall { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); margin-bottom: clamp(56px, 7vw, 96px); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.logo-wall__item { display: grid; place-items: center; aspect-ratio: 16 / 9; padding: 18px 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.logo-wall__item img { max-width: 86%; filter: grayscale(1); opacity: .72; transition: filter .3s, opacity .3s; } /* 크기는 img width·height 속성 (content.PARTNERS) */
.logo-wall__item--light img { filter: grayscale(1) brightness(.5); }
.logo-wall__item:hover img { filter: none; opacity: 1; }
.logo-wall__text { font-size: 19px; font-weight: 800; letter-spacing: -0.03em; color: var(--ink-3); opacity: .72; transition: opacity .3s; }
.logo-wall__item:hover .logo-wall__text { opacity: 1; }
.logo-wall__combo { display: flex; align-items: center; gap: 10px; }
.logo-wall__combo img { max-width: none; }
.ledger { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px 64px; }
.ledger__area { margin-bottom: 4px; padding-bottom: 12px; border-bottom: 2px solid var(--ink); font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.04em; color: var(--amber-text); }
.ledger__row { display: grid; grid-template-columns: 96px 128px minmax(0, 1fr); gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; line-height: 1.55; }
.ledger__year { padding-top: 2px; font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.ledger__client { font-weight: 700; }
.ledger__desc { color: var(--ink-3); }

/* ---------- 연혁 ---------- */
.era { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); gap: 32px; padding: 40px 0; border-top: 1px solid var(--line); }
.section-head + .era { border-top: 0; padding-top: 8px; }
.era__label { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.era__range { margin: 0 0 6px; font-family: var(--font-mono); font-size: clamp(24px, 2.6vw, 34px); font-weight: 700; letter-spacing: -0.04em; }
.era__motto { margin: 0; font-size: 15px; color: var(--muted); }
.year { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 16px; padding-bottom: 28px; }
.year + .year { padding-top: 28px; border-top: 1px dashed var(--line); }
.year__num { margin: 0; font-family: var(--font-mono); font-size: 22px; font-weight: 700; line-height: 1.4; color: var(--amber-text); }
.year__items li { position: relative; margin-bottom: 6px; padding-left: 16px; color: var(--ink-3); }
.year__items li::before { content: ""; position: absolute; left: 0; top: .78em; width: 7px; height: 1.5px; background: var(--ink); }
.year__more summary { display: inline-flex; align-items: center; gap: 4px; margin-top: 4px; font-size: 14px; font-weight: 700; color: var(--amber-text); cursor: pointer; list-style: none; }
.year__more summary::-webkit-details-marker { display: none; }
.year__more summary .icon { width: 16px; height: 16px; transition: transform .2s; }
.year__more[open] summary { margin-bottom: 8px; }
.year__more[open] summary .icon { transform: rotate(180deg); }

/* ---------- 소식 ---------- */
.news { background: var(--paper-2); }
.tabs__list { display: flex; margin-bottom: 4px; border-bottom: 1px solid var(--ink); }
.tabs__tab { position: relative; padding: 14px 22px; border: 0; background: none; font-size: 17px; font-weight: 700; color: var(--muted); cursor: pointer; }
.tabs__tab[aria-selected="true"] { color: var(--ink); }
.tabs__tab[aria-selected="true"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; background: var(--amber); }
.tabs__count { margin-left: 6px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.tabs__panel[hidden] { display: none; }
.news-item { border-bottom: 1px solid var(--line); }
.news-item summary { display: grid; grid-template-columns: 120px minmax(0, 1fr) 24px; align-items: center; gap: 16px; padding: 20px 0; cursor: pointer; list-style: none; }
.news-item summary::-webkit-details-marker { display: none; }
.news-item summary:hover .news-item__title { text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--amber); }
.news-item time { font-family: var(--font-mono); font-size: 14px; color: var(--muted); }
.news-item__title { font-size: 17px; font-weight: 700; }
.news-item__chev { transition: transform .2s; }
.news-item[open] .news-item__chev { transform: rotate(180deg); }
.news-item__body { max-width: 760px; padding: 0 0 28px 136px; color: var(--ink-3); }
.news-item__body img { margin-top: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }

/* ---------- 고객지원 ---------- */
.support-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 20px; }
.support-card { grid-column: span 5; display: flex; flex-direction: column; padding: clamp(24px, 3vw, 36px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); }
.support-card--remote, .support-card--guides { grid-column: span 7; }
.support-card--remote { border-color: var(--amber); background: var(--amber); }
.support-card--remote .eyebrow { color: var(--ink-3); }
.support-card--remote .btn { align-self: flex-start; margin-top: auto; }
.support-card__title { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; font-size: 22px; }
.support-card--remote .support-card__title { font-size: clamp(28px, 3vw, 36px); }
.support-card__note { font-size: 14px; color: var(--ink-3); }
.mini-steps { counter-reset: ms; margin: 4px 0 20px; }
.mini-steps li { counter-increment: ms; position: relative; padding: 10px 0 10px 40px; border-top: 1px solid rgba(22, 27, 33, .18); font-weight: 600; }
.mini-steps li::before { content: counter(ms, decimal-leading-zero); position: absolute; left: 0; top: 10px; font-family: var(--font-mono); font-size: 14px; font-weight: 700; }
.specs { margin: 0 0 20px; }
.specs div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.specs dt { color: var(--muted); }
.specs dd { margin: 0; font-weight: 600; }
.specs a:hover, .channel-links a:hover span, .guide-links a:hover span { text-decoration: underline; text-underline-offset: 3px; }
.guide-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; }
.guide-links a, .channel-links a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 15px; font-weight: 600; }
.guide-links .icon, .channel-links .icon { width: 16px; height: 16px; color: var(--muted); }

/* ---------- 문의 ---------- */
.contact { background: var(--ink); color: var(--paper); }
.section + .contact { border-top: 0; }
.contact__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.contact__lead { font-size: 18px; color: var(--muted-dark); }
.contact__list { margin: 32px 0 0; border-top: 1px solid var(--line-dark); }
.contact__list > div { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--line-dark); }
.contact__list dt { display: flex; align-items: center; gap: 8px; align-self: start; font-size: 15px; color: var(--muted-dark); }
.contact__list dt .icon { width: 18px; height: 18px; color: var(--amber); }
.contact__list dd { margin: 0; font-weight: 600; }
.contact__list dd small { margin-left: 6px; font-weight: 500; color: var(--muted-dark); }
.contact__list a:hover { color: var(--amber); }
.map-links { display: flex; gap: 16px; margin-top: 8px; font-size: 14px; font-weight: 500; }
.map-links a { color: var(--amber); text-decoration: underline; text-underline-offset: 3px; }

.contact-form { padding: clamp(24px, 4vw, 44px); border-radius: var(--radius-lg); background: var(--paper); color: var(--ink); }
.field { min-width: 0; margin: 0 0 20px; padding: 0; border: 0; }
.field > label, .field > legend { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; padding: 0; font-size: 15px; font-weight: 700; }
.req { font-size: 12px; font-weight: 600; color: var(--amber-text); }
.field input[type="text"], .field input[type="tel"], .field input[type="email"], .field textarea { width: 100%; min-height: 50px; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius); background: var(--white); transition: border-color .15s, box-shadow .15s; }
.field textarea { min-height: 160px; line-height: 1.6; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(239, 187, 32, .45); }
.field input::placeholder, .field textarea::placeholder { color: #6b7680; } /* 흰 바탕 대비 4.6:1 */
.has-error input, .has-error textarea { border-color: var(--danger); }
.field__error { margin: 6px 0 0; font-size: 14px; font-weight: 600; color: var(--danger); }
.field__error:empty { display: none; }
.field__hint { margin: 6px 0 0; font-family: var(--font-mono); font-size: 12px; text-align: right; color: var(--muted); }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; }
.chip span { display: inline-flex; align-items: center; min-height: 42px; padding: 8px 20px; border: 1.5px solid var(--line); border-radius: 999px; background: var(--white); font-weight: 600; cursor: pointer; }
.chip input:checked + span { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.chip input:focus-visible + span { outline: 3px solid var(--amber); outline-offset: 2px; }
.consent { margin: 4px 0 20px; padding: 16px 18px; border-radius: var(--radius); background: var(--paper-2); }
.check { display: flex; align-items: flex-start; gap: 10px; font-weight: 600; cursor: pointer; }
.check input { flex: none; width: 20px; height: 20px; margin-top: 3px; accent-color: var(--ink); }
.consent__detail summary { margin-top: 8px; font-size: 14px; color: var(--muted); text-decoration: underline; cursor: pointer; }
.consent__detail ul { margin: 10px 0; font-size: 14px; color: var(--ink-3); }
.consent__detail li { margin-bottom: 4px; }
.consent__detail a { font-size: 14px; font-weight: 600; text-decoration: underline; }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin: 0 0 16px; font-weight: 700; }
.form-status:empty { display: none; }
.form-status.is-ok { color: var(--ok); }
.form-status.is-error { color: var(--danger); }
.contact-form button[disabled] { opacity: .6; cursor: progress; }

/* ---------- 푸터 ---------- */
/* 현행 사이트 하단과 같은 배치 — 어두운 바탕에 흰 글자 3칸 */
.site-footer { padding-top: clamp(48px, 5vw, 64px); border-top: 1px solid #5c646b; background: var(--ink-3); color: var(--white); font-size: 15px; }
.site-footer__cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 36px clamp(24px, 3vw, 40px); padding-bottom: clamp(40px, 4.5vw, 56px); }
.site-footer__title { margin-bottom: 18px; font-size: 17px; font-weight: 700; letter-spacing: 0; }
.site-footer__list { margin: 0; padding: 0; list-style: none; font-style: normal; line-height: 1.6; }
.site-footer__list li, .site-footer__list p { margin: 0 0 12px; }
.site-footer__list a { text-decoration: underline; text-decoration-color: rgba(255, 255, 255, .45); text-underline-offset: 3px; }
.site-footer__list a:hover { color: var(--amber); text-decoration-color: currentColor; }
.site-footer__bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 24px; padding: 20px 0 28px; border-top: 1px solid rgba(255, 255, 255, .14); font-size: 13px; }
.site-footer__privacy { font-weight: 800; }
.site-footer__privacy:hover { color: var(--amber); }
.site-footer__copy { margin: 0; color: var(--muted-dark); }

/* ---------- 하위 페이지 머리 ---------- */
.page-hero { position: relative; overflow: hidden; padding: clamp(48px, 7vw, 96px) 0 clamp(48px, 6vw, 80px); background: var(--ink); color: var(--paper); }
.page-hero--compact { padding: clamp(40px, 5vw, 64px) 0 clamp(36px, 4vw, 52px); }
.page-hero__inner { position: relative; z-index: 1; }
.page-hero__title { max-width: 16em; font-size: clamp(32px, 5vw, 60px); line-height: 1.16; letter-spacing: -0.04em; }
.page-hero--compact .page-hero__title { font-size: clamp(28px, 4vw, 44px); }
.page-hero__lead { max-width: 36em; margin: 20px 0 0; font-size: clamp(17px, 1.5vw, 20px); color: var(--muted-dark); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 24px; font-size: 14px; color: var(--muted-dark); }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; opacity: .5; }
.breadcrumb a:hover { color: var(--amber); }
.breadcrumb [aria-current] { color: var(--paper); }

/* ---------- 마이벨 상세 ---------- */
.product { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); padding-top: clamp(48px, 6vw, 88px); padding-bottom: clamp(72px, 9vw, 120px); }
.product__nav { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.product__body, .guide__body { min-width: 0; } /* 넓은 표가 열 폭을 밀어내지 않게 */
.product__nav-title, .guide__nav-title { margin-bottom: 12px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.product__nav ol { counter-reset: pn; margin-bottom: 24px; border-top: 2px solid var(--ink); }
.product__nav li { counter-increment: pn; }
.product__nav a { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); font-weight: 600; color: var(--muted); transition: color .2s; }
.product__nav a::before { content: counter(pn, decimal-leading-zero); padding-top: 3px; font-family: var(--font-mono); font-size: 12px; }
.product__nav a:hover, .product__nav a.is-active { color: var(--ink); }
.product__nav a.is-active::before { color: var(--amber-text); }
.product-sec { margin-bottom: clamp(64px, 8vw, 104px); padding-bottom: clamp(64px, 8vw, 104px); border-bottom: 1px solid var(--line); }
.product-sec:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: 0; }
.product-sec__head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 28px; padding-top: 14px; border-top: 2px solid var(--ink); }
.product-sec__num { font-family: var(--font-mono); font-size: 14px; font-weight: 700; color: var(--amber-text); }
.product-sec__title { font-size: clamp(26px, 3.2vw, 40px); letter-spacing: -0.035em; }
.block { margin-top: clamp(48px, 6vw, 72px); }
.block-title { margin-bottom: 22px; font-size: clamp(20px, 2vw, 24px); letter-spacing: -0.025em; }
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(28px, 4vw, 56px); align-items: center; }
.split--media-end { grid-template-columns: minmax(0, 1fr) auto; }
.legacy-figure img { width: 220px; border-radius: var(--radius-lg); }
.list-check li { position: relative; margin-bottom: 14px; padding-left: 34px; }
.list-check li::before { content: ""; position: absolute; left: 0; top: .3em; width: 22px; height: 22px; border-radius: 50%; background: var(--amber) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23161b21' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 12px no-repeat; }
.list-dot li, .prose ul li { position: relative; margin-bottom: 8px; padding-left: 16px; }
.list-dot li::before, .prose ul li::before { content: ""; position: absolute; left: 0; top: .72em; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }
.cols-2 { columns: 2; column-gap: 40px; }
.cols-2 li { break-inside: avoid; }
.worries { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.worry { position: relative; padding: 20px 22px 20px 54px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); font-size: 16px; line-height: 1.6; }
.worry::before { content: "“"; position: absolute; left: 18px; top: 8px; font-size: 46px; font-weight: 800; line-height: 1; color: var(--amber); }
.why-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.why-card { padding: 28px; border-top: 3px solid var(--ink); background: var(--white); }
.why-card h4 { margin-bottom: 14px; font-size: 18px; }
.why-card li { font-size: 15px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 28px; border-top: 2px solid var(--ink); }
.feature { padding: 28px 28px 28px 0; border-bottom: 1px solid var(--line); }
.feature:nth-child(even) { padding-right: 0; padding-left: 28px; border-left: 1px solid var(--line); }
.feature__num { font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--amber-text); }
.feature h3 { margin: 6px 0 14px; font-size: 20px; }
.feature li { font-size: 15px; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-top: 2px solid var(--ink); }
.compare { width: 100%; min-width: 640px; border-collapse: collapse; font-size: 15px; }
.compare th, .compare td { padding: 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare thead th { font-size: 14px; font-weight: 600; color: var(--muted); }
.compare thead th.is-ours { color: var(--ink); }
.compare tbody th { font-weight: 700; white-space: nowrap; }
.compare td.is-ours { background: var(--amber-wash); }
.compare strong { display: block; }
.compare ul { margin-top: 6px; font-size: 14px; color: var(--muted); }
.compare li::before { content: "– "; }
.price-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 28px; }
.plan { display: flex; flex-direction: column; padding: 28px 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); }
.plan__name { margin: 0 0 12px; font-size: 17px; font-weight: 700; }
.plan__price { margin: 0; font-family: var(--font-mono); font-size: clamp(28px, 2.8vw, 36px); font-weight: 700; line-height: 1.1; letter-spacing: -0.04em; }
.plan__price small { margin-left: 2px; font-family: var(--font-sans); font-size: 16px; letter-spacing: 0; }
.plan__vat { margin: 8px 0 20px; font-size: 13px; color: var(--muted); }
.plan__specs { margin: auto 0 0; border-top: 1px solid var(--line); }
.plan__specs div { display: flex; justify-content: space-between; gap: 8px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.plan__specs dt { color: var(--muted); }
.plan__specs dd { margin: 0; font-weight: 700; text-align: right; }
.yes { color: var(--ok); }
.no { color: var(--muted); font-weight: 500 !important; }
.callout { margin: 24px 0 40px; padding: 24px 28px; border-left: 4px solid var(--amber); border-radius: 0 var(--radius-lg) var(--radius-lg) 0; background: var(--white); }
.callout h3 { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: 18px; }
.callout h3 .icon { color: var(--amber-text); }
.join-call { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: clamp(20px, 3vw, 36px); padding: clamp(24px, 3.4vw, 40px); border-radius: var(--radius-lg); background: var(--ink); color: var(--paper); }
.join-call__icon { display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%; background: var(--amber); color: var(--ink); }
.join-call__icon .icon { width: 28px; height: 28px; }
.join-call h3 { margin-bottom: 8px; font-size: clamp(20px, 2.1vw, 24px); }
.join-call__body p { margin: 0; color: var(--muted-dark); }
.join-call__contact { text-align: right; }
.join-call__tel { font-family: var(--font-mono); font-size: clamp(26px, 2.8vw, 34px); font-weight: 700; line-height: 1.2; letter-spacing: -0.03em; color: var(--amber); white-space: nowrap; }
.join-call__tel:hover { text-decoration: underline; text-underline-offset: 4px; }
.join-call__hours { margin: 6px 0 0; font-size: 14px; color: var(--muted-dark); white-space: nowrap; }
.download-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.download-card { display: flex; flex-direction: column; padding: clamp(24px, 3vw, 36px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); }
.download-card h3 { margin-bottom: 16px; font-size: 26px; }
.download-card__icon { width: 84px; margin-bottom: 16px; }
.download-card--main { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.download-card--main .specs div { border-bottom-color: var(--line-dark); }
.download-card--main .specs dt { color: var(--muted-dark); }
.download-card .btn { align-self: flex-start; margin-top: auto; }
.download-help { margin: 28px 0 0; font-weight: 600; }
.download-help a { display: inline-flex; align-items: center; gap: 4px; color: var(--amber-text); text-decoration: underline; text-underline-offset: 3px; }
.download-help .icon { width: 16px; height: 16px; }

/* ---------- 사용 안내 (하위 페이지) ---------- */
.guide { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); padding-top: clamp(40px, 5vw, 72px); padding-bottom: clamp(72px, 9vw, 120px); }
.guide__nav { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.guide__nav ul { margin-bottom: 20px; border-top: 2px solid var(--ink); }
.guide__nav a { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; font-weight: 600; color: var(--muted); transition: color .2s, padding .2s; }
.guide__nav a:hover { color: var(--ink); }
.guide__nav a[aria-current="page"] { padding-left: 12px; color: var(--ink); box-shadow: inset 3px 0 0 var(--amber); }
.guide__nav .btn + .btn { margin-top: 10px; }
.prose { max-width: 780px; }
.prose h2 { margin: 56px 0 18px; font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -0.03em; }
.prose h2:first-child, .prose .review-note + h2 { margin-top: 0; }
.prose h3 { margin: 40px 0 14px; font-size: 20px; }
.prose p { color: var(--ink-3); }
.prose ul { margin: 0 0 1.2em; }
.prose a:not(.btn):not(.guide-card):not(.shot__link) { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--amber); }
.shot { margin: 20px 0 28px; }
.shot__link { position: relative; display: inline-block; max-width: 100%; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); cursor: zoom-in; }
.shot__zoom { position: absolute; right: 10px; bottom: 10px; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: rgba(22, 27, 33, .78); color: var(--paper); opacity: 0; transition: opacity .2s; }
.shot__zoom .icon { width: 18px; height: 18px; }
.shot__link:hover .shot__zoom, .shot__link:focus-visible .shot__zoom { opacity: 1; }
.shot figcaption { margin-top: 8px; font-size: 14px; color: var(--muted); }
.shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin: 20px 0 28px; align-items: start; }
.shots .shot { margin: 0; }
.shots--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.step-rows { margin: 28px 0; border-top: 2px solid var(--ink); }
.step-row { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 28px; align-items: center; padding: 24px 0; border-bottom: 1px solid var(--line); }
.step-row .shot { margin: 0; }
.num-list { padding-left: 1.6em; list-style: decimal; }
.num-list li { margin-bottom: 10px; padding-left: 4px; color: var(--ink-3); }
.num-list li::marker { font-family: var(--font-mono); font-weight: 700; color: var(--amber-text); }
.marks { margin: 0 0 12px; border-top: 1px solid var(--ink); }
.marks > div { padding: 16px 0; border-bottom: 1px solid var(--line); }
.marks dt { margin-bottom: 6px; font-weight: 800; }
.marks dd { margin: 0; }
.marks p { margin-bottom: 6px; }
.marks ul { margin: 0; font-size: 15px; }
.caution { display: flex; gap: 12px; margin: 20px 0 28px; padding: 18px 20px; border-radius: var(--radius-lg); background: var(--amber-wash); }
.caution .icon { margin-top: 3px; color: var(--amber-text); }
.caution p { margin: 0; color: var(--ink); }
.guide-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 24px; }
.guide-card { display: flex; flex-direction: column; gap: 4px; padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); transition: border-color .2s, transform .2s var(--ease); }
.guide-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.guide-card small { font-family: var(--font-mono); font-size: 12px; color: var(--amber-text); }
.guide-card strong { font-size: 17px; }
.guide-card span { font-size: 14px; color: var(--muted); }
.guide__pager { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line); }
.guide__pager a { display: flex; flex-direction: column; gap: 4px; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); text-decoration: none !important; }
.guide__pager a:hover { border-color: var(--ink); }
.guide__pager small { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.guide__next { grid-column: 2; text-align: right; }
.review-note { margin: 0 0 32px; padding: 14px 18px; border: 1.5px dashed var(--amber-text); border-radius: var(--radius); background: var(--amber-wash); font-size: 14px; line-height: 1.6; color: var(--ink-3); }
.review-note strong { margin-right: 8px; color: var(--amber-text); }
.review-note small { color: var(--muted); }
.lightbox { max-width: min(1200px, 94vw); max-height: 92vh; padding: 0; border: 0; border-radius: var(--radius-lg); background: var(--white); overflow: visible; }
.lightbox::backdrop { background: rgba(22, 27, 33, .84); }
.lightbox img { width: auto; max-width: 100%; height: auto; max-height: 88vh; border-radius: var(--radius-lg); }
.lightbox__close { position: absolute; top: -16px; right: -16px; display: grid; place-items: center; width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--amber); color: var(--ink); cursor: pointer; }

/* ---------- 개인정보처리방침·결과·오류 ---------- */
.policy { padding-top: clamp(40px, 5vw, 72px); padding-bottom: clamp(72px, 9vw, 120px); }
.policy h2 { font-size: 20px; margin-top: 40px; }
.result { padding: clamp(72px, 10vw, 128px) 0; }
.result__title { margin-bottom: 16px; font-size: clamp(28px, 4vw, 44px); }
.result__message { font-size: 18px; }
.result__errors { margin: 0 0 28px; color: var(--danger); font-weight: 600; }
.result__errors li { margin-bottom: 6px; }
.page-error { min-height: 100vh; display: grid; place-items: center; }
.error-page { max-width: 640px; padding: 48px var(--gutter); }
.error-page .brand { margin-bottom: 48px; }
.error-page__code { margin: 0; font-family: var(--font-mono); font-size: clamp(72px, 14vw, 140px); font-weight: 700; line-height: 1; letter-spacing: -0.06em; color: var(--amber-text); }
.error-page__title { margin: 12px 0 16px; font-size: clamp(26px, 4vw, 38px); }
.error-page__links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.error-page__contact { margin-top: 32px; font-size: 14px; color: var(--muted); }

/* ---------- 나타나기 (JS 있을 때만) ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero__lines span { animation: none; background: none; }
  .mybell-illust .mi-ring { animation: none; opacity: .8; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* ---------- 반응형 ---------- */
@media (max-width: 1200px) {
  .nav__num { display: none; }
  .nav__link { padding: 8px 10px; }
}

@media (max-width: 1023px) {
  .site-header { background: var(--paper); -webkit-backdrop-filter: none; backdrop-filter: none; } /* 고정 메뉴가 헤더 안에 갇히지 않게 */
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; margin-right: -10px; border: 0; background: none; cursor: pointer; }
  .nav-toggle .icon { width: 26px; height: 26px; }
  .nav-toggle__close { display: none; }
  .nav-open .nav-toggle__open { display: none; }
  .nav-open .nav-toggle__close { display: block; }
  body.nav-open { overflow: hidden; }
  .nav { position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 16px var(--gutter) 40px; overflow-y: auto; background: var(--paper); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s, transform .2s, visibility .2s; }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__link { padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 22px; }
  .nav__num { display: inline; min-width: 32px; font-size: 13px; }
  .nav__link::after { display: none; }
  .nav__cta { min-height: 56px; margin-top: 28px; font-size: 18px; }

  .hero__inner { grid-template-columns: minmax(0, 1fr); }
  .hero__index { display: none; }
  .about__grid, .mybell-home__grid, .contact__grid { grid-template-columns: minmax(0, 1fr); }
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact { padding: 20px 16px 20px 0; border-bottom: 1px solid var(--line); }
  .fact + .fact { padding-left: 0; }
  .fact:nth-child(even) { padding-left: 20px; border-right: 0; }
  .fact:nth-child(n+3) { border-bottom: 0; }
  .mybell-home__photo { aspect-ratio: 16 / 10; }
  .mybell-illust { max-width: 440px; }
  .logo-wall { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ledger { grid-template-columns: minmax(0, 1fr); }
  .era { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .era__label { position: static; }
  .support-card, .support-card--remote, .support-card--guides { grid-column: span 12; }

  .product { grid-template-columns: minmax(0, 1fr); padding-top: 0; }
  .product__nav { position: sticky; top: var(--header-h); z-index: 5; margin: 0 calc(var(--gutter) * -1); padding: 8px var(--gutter); border-bottom: 1px solid var(--line); background: var(--paper); }
  .product__nav-title, .product__nav .btn { display: none; }
  .product__nav ol { display: flex; gap: 4px; margin: 0; overflow-x: auto; border: 0; scrollbar-width: none; }
  .product__nav a { padding: 8px 12px; border: 0; white-space: nowrap; }
  .product__body { padding-top: 40px; }
  .product-sec { scroll-margin-top: calc(var(--header-h) + 64px); }
  .price-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide { grid-template-columns: minmax(0, 1fr); }
  .guide__nav { position: static; order: 2; }
}

@media (max-width: 719px) {
  .site-footer__cols { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  body { font-size: 16px; }
  :root { --header-h: 64px; }
  .brand__logo { height: 28px; }
  .hero__strip-inner { grid-template-columns: minmax(0, 1fr); }
  .hero__quick { padding: 16px 0; border-top: 1px solid var(--line-dark); border-left: 0; }
  .hero__quick:first-child { border-top: 0; }
  .point-list, .worries, .why-grid, .feature-grid, .download-grid, .guide-cards, .guide-links, .split, .split--media-end, .shots--2 { grid-template-columns: minmax(0, 1fr); }
  .feature, .feature:nth-child(even) { padding: 24px 0; border-left: 0; }
  .logo-wall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .logo-wall__item { padding: 14px 10px; } /* 가로로 긴 로고가 너무 작아지지 않게 */
  .logo-wall__item img { max-width: 92%; }
  .ledger__row { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .year { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .news-item summary { grid-template-columns: minmax(0, 1fr) 24px; gap: 4px 12px; }
  .news-item time { grid-column: 1 / -1; }
  .news-item__body { padding-left: 0; }
  .field-row { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .contact__list > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .cols-2 { columns: 1; }
  .price-grid { grid-template-columns: minmax(0, 1fr); }
  .join-call { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .join-call__contact { text-align: left; }
  .step-row { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .guide__pager { grid-template-columns: minmax(0, 1fr); }
  .guide__next { grid-column: auto; }
  .legacy-figure img { width: 180px; }
  .lightbox__close { top: 8px; right: 8px; }
}