:root {
  --ink: #152c46;
  --blue: #1769e8;
  --muted: #627082;
  --line: #e3e9ef;
  --paper: #f6f8fb;
  --navy: #142e48;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body {
  margin: 0;
  font-family: "Pretendard", system-ui, sans-serif;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
  background: #fff;
}
h1, h2, h3 { text-wrap: balance; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { touch-action: manipulation; }
button { cursor: pointer; color: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid #f0b544;
  outline-offset: 4px;
}
img { max-width: 100%; display: block; }
p, h1, h2, h3 { margin: 0; }
p { color: var(--muted); }

.wrap { max-width: 1240px; margin: auto; padding: 0 36px; }

.skip { position: absolute; top: -80px; left: 12px; z-index: 100; background: #fff; padding: 10px; }
.skip:focus { top: 10px; }

.topbar { background: var(--navy); color: #e3edf9; font-size: 12px; letter-spacing: .02em; }
.topbar .wrap { display: flex; justify-content: space-between; padding-top: 7px; padding-bottom: 7px; }
.topbar a { color: #fff; }
.topbar a span { margin-left: 12px; font-weight: 700; }

.header {
  background: #ffffffef;
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid #e9edf1;
}
.nav { height: 86px; display: flex; align-items: center; gap: 36px; }
.brand { line-height: 1; display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.brand img { height: 30px; width: auto; }
.brand em {
  font-size: 12px;
  letter-spacing: .05em;
  font-style: normal;
  border-left: 1px solid #ccd5df;
  padding: 10px 0 10px 14px;
  color: var(--muted);
}
.navlinks { display: flex; gap: 29px; margin-left: auto; font-size: 14px; font-weight: 600; }
.navlinks a:hover { color: var(--blue); }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 6px; font-size: 20px; padding: 3px 10px; }
.header-tools { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.header-login,
.header-mypage {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 43px;
  padding: 0 16px;
  border: 1px solid #d7deea;
  border-radius: 7px;
  background: #fff;
  color: var(--navy);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: background .2s;
}
.header-login:hover,
.header-mypage:hover { background: #f4f7fb; }
.header-mypage[hidden] { display: none; }

.login-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 28px 18px;
  background: rgba(12, 22, 38, .46);
  backdrop-filter: blur(8px);
}
.login-modal[hidden] { display: none; }
.login-modal-card {
  position: relative;
  width: min(420px, 100%);
  overflow: hidden;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(16, 40, 72, .28);
}
.login-modal-card::before {
  content: "";
  display: block;
  height: 6px;
  background: linear-gradient(90deg, var(--navy), var(--blue) 70%, #9ec0ff);
}
.login-modal-x {
  position: absolute;
  top: 18px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: #f2f4f8;
  color: #3d4654;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.login-modal-x:hover { background: #e6ebf2; }
.login-form { display: grid; gap: 12px; padding: 26px 26px 24px; }
.login-kicker { margin: 0; color: #8b95a7; font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.login-form h2 { margin: 2px 0 4px; font-size: 26px; letter-spacing: -.04em; color: var(--navy); }
.login-error {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: #fff1f1;
  color: #c24141;
  font-size: 13px;
  font-weight: 700;
}
.login-error[hidden] { display: none; }
.login-form label { display: grid; gap: 6px; color: #3d4654; font-size: 13px; font-weight: 700; }
.login-form input {
  height: 48px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0 14px;
  background: #f4f7fb;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
}
.login-form input:focus {
  outline: none;
  background: #fff;
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(23, 105, 232, .12);
}
.login-submit { width: 100%; height: 50px; margin-top: 6px; padding: 0; }
.login-modal.is-front { z-index: 70; }
.find-open { justify-self: center; padding: 4px 8px; border: 0; background: none; color: #5c6b82; font: inherit; font-size: 13px; font-weight: 700; cursor: pointer; }
.find-open:hover { color: var(--blue); text-decoration: underline; }
.find-form .login-lead { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.find-form .login-modal-actions .btn { width: 100%; height: 48px; padding: 0; }
.field-status { font-size: 12px; font-weight: 700; line-height: 1.4; }
.field-status:empty { display: none; }
.field-status.is-bad { color: #c24141; }
.field-status.is-ok { color: #15803d; }
.email-verify { display: grid; gap: 6px; }
.email-verify[hidden], .email-line[hidden], .find-form [hidden] { display: none !important; }
.email-label { color: #3d4654; font-size: 13px; font-weight: 700; }
.email-line { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.login-form .email-line input[readonly] { background: #effaf3; color: #15803d; }
.email-line button { min-width: 104px; height: 48px; padding: 0 14px; border: 1px solid #d5deea; border-radius: 10px; background: #fff; color: var(--navy); font: inherit; font-size: 14px; font-weight: 800; white-space: nowrap; cursor: pointer; }
.email-line button:hover:not(:disabled) { border-color: var(--blue); color: var(--blue); }
.email-line .email-check { border-color: var(--blue); background: var(--blue); color: #fff; }
.email-line .email-check:hover:not(:disabled) { color: #fff; filter: brightness(1.05); }
.email-line button:disabled { opacity: .55; cursor: default; }
.find-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; border-radius: 12px; background: #f1f4f8; }
.find-tabs button { height: 40px; border: 0; border-radius: 9px; background: none; color: #5c6b82; font: inherit; font-size: 14px; font-weight: 800; cursor: pointer; }
.find-tabs button.is-active { background: #fff; color: var(--navy); box-shadow: 0 1px 4px rgba(15, 23, 42, .1); }
.find-result { display: grid; gap: 10px; padding: 16px; border: 1px solid #e3ebf5; border-radius: 14px; background: #f6f9fd; }
.find-result-title { margin: 0; color: var(--navy); font-size: 15px; font-weight: 800; }
.find-id-list { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; }
.find-id-list button { display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; padding: 12px 14px; border: 1px solid #dfe7f1; border-radius: 10px; background: #fff; font: inherit; text-align: left; cursor: pointer; }
.find-id-list button:hover:not(:disabled) { border-color: var(--blue); }
.find-id-list button:disabled { opacity: .75; cursor: default; }
.find-id-list strong { color: var(--navy); font-size: 16px; word-break: break-all; }
.find-id-list span { color: #6b7689; font-size: 12px; font-weight: 600; white-space: nowrap; }
.find-temp { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px; border: 1px dashed var(--blue); border-radius: 10px; background: #fff; }
.find-temp strong { color: var(--blue); font-family: ui-monospace, Consolas, monospace; font-size: 22px; letter-spacing: .08em; }
.find-temp button { height: 34px; padding: 0 12px; border: 1px solid #d5deea; border-radius: 8px; background: #fff; font: inherit; font-size: 13px; font-weight: 800; cursor: pointer; }
.find-hint { margin: 0; color: #5c6b82; font-size: 13px; line-height: 1.5; }
.login-signup { text-align: center; color: var(--muted); font-size: 13px; padding: 4px 0 0; }
.login-signup strong { color: var(--blue); font-weight: 700; }
.login-signup:hover strong { text-decoration: underline; }
.social-login { display: grid; gap: 8px; padding-top: 14px; border-top: 1px solid #e8edf3; }
.social-login-title { margin: 0; color: var(--muted); font-size: 13px; font-weight: 800; text-align: center; }
.social-btn { position: relative; height: 46px; padding: 0 48px; border: 0; border-radius: 14px; font: inherit; font-size: 15px; font-weight: 800; cursor: pointer; }
.social-btn svg { position: absolute; left: 18px; top: 50%; width: 20px; height: 20px; transform: translateY(-50%); }
.social-btn:hover { filter: brightness(0.97); }
.social-btn-kakao { background: #fee500; color: rgba(0, 0, 0, .85); }
.social-btn-naver { background: #03c75a; color: #fff; }
.btn {
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 25px;
  padding: 15px 24px;
  background: var(--blue);
  color: #fff;
  border-radius: 7px;
  font-weight: 700;
  font-size: 15px;
  transition: background .2s, transform .2s;
}
.btn:hover { background: #0a50bb; transform: translateY(-2px); }
.btn.light { background: #fff; color: var(--navy); }
.btn.outline { border: 1px solid #ccd5df; background: transparent; color: var(--ink); }
.btn.small { padding: 11px 20px; font-size: 14px; }
.arrow { font-size: 22px; line-height: 1; }

.hero {
  position: relative;
  isolation: isolate;
  background: var(--navy);
  color: #fff;
  min-height: 570px;
  overflow: hidden;
}
.hero-image {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 75% center;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, #142e48 0%, #142e48ed 33%, #142e4822 90%);
}
.hero .wrap { padding-top: 84px; padding-bottom: 80px; }
.eyebrow { font-size: 12px; letter-spacing: .18em; font-weight: 700; color: #aaceff; margin-bottom: 18px; }
.hero h1 { font-size: clamp(38px, 4.3vw, 60px); line-height: 1.3; letter-spacing: -3px; font-weight: 800; max-width: 650px; }
.hero h1 span { color: #aaceff; }
.hero p { margin: 22px 0 30px; font-size: 17px; line-height: 1.9; color: #d5e0ec; }
.hero-bottom { margin-top: 30px; font-size: 12px; color: #becfe0; display: flex; gap: 22px; }
.quicklinks { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.quicklinks a { padding: 30px; text-align: center; border-right: 1px solid var(--line); font-weight: 600; font-size: 15px; }
.quicklinks a:last-child { border: 0; }
.quicklinks a:hover { background: var(--paper); color: var(--blue); }

.section { padding: 95px 0; }
.section.gray { background: var(--paper); }
.section-head { display: flex; align-items: end; justify-content: space-between; margin-bottom: 34px; gap: 24px; }
.section h2 { font-size: 36px; line-height: 1.4; letter-spacing: -1.8px; }
.section-head p { font-size: 15px; }
.overline { font-size: 12px; letter-spacing: .18em; color: var(--blue); font-weight: 700; margin-bottom: 14px; }
.text-link { font-size: 14px; font-weight: 700; white-space: nowrap; }
.text-link:hover { color: var(--blue); }
.note { font-size: 12px !important; color: #7b8593 !important; margin-top: 16px !important; }

.founder-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.founder-card { border-top: 2px solid #cdd9e8; padding: 30px 20px 10px 0; }
.founder-card .big-num { font-size: 54px; line-height: 1; color: #dae3ed; letter-spacing: -2px; font-weight: 800; }
.founder-card h3 { font-size: 23px; margin: 20px 0 12px; }
.founder-card p { font-size: 14px; }
.founder-card a { display: inline-block; margin-top: 25px; font-size: 14px; font-weight: 600; color: var(--blue); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.copy h2 { margin-bottom: 23px; }
.copy > p { font-size: 16px; line-height: 1.95; }
.topic-tabs { display: flex; border-bottom: 1px solid var(--line); gap: 26px; margin: 30px 0 24px; overflow: auto; }
.topic-tabs button {
  border: 0;
  background: none;
  white-space: nowrap;
  padding: 12px 4px;
  font-size: 15px;
  color: var(--muted);
  border-bottom: 3px solid transparent;
}
.topic-tabs button[aria-selected="true"] { color: var(--blue); border-color: var(--blue); font-weight: 700; }
.topic-tabs button { display: inline-flex; align-items: center; gap: 7px; }
.line-icon { width: 18px; height: 18px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

.edu-split { grid-template-columns: 52fr 48fr; gap: 56px; align-items: start; }
.edu-split .copy > p { font-size: 15px; line-height: 1.9; }
.tab-panel { background: #fff; border: 1px solid #dee8f5; border-radius: 14px; padding: 30px 32px; box-shadow: 0 10px 30px #142e480a; }
.tab-panel:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.panel-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.panel-icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: #eaf2fe; color: var(--blue); flex-shrink: 0; }
.panel-icon .line-icon { width: 28px; height: 28px; stroke-width: 1.4; }
.panel-head small { display: block; font-size: 13px; font-weight: 700; color: var(--blue); margin-bottom: 3px; }
.tab-panel h3 { font-size: 22px; letter-spacing: -.6px; }
.tab-panel p { font-size: 15px; line-height: 1.9; }
.chip-label { margin: 24px 0 12px; font-size: 12px; font-weight: 700; letter-spacing: .08em; color: var(--ink); }
.edu-chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.edu-chips li { padding: 8px 14px; border-radius: 999px; background: #eef4fd; color: #1b5fc9; font-size: 13px; font-weight: 600; }

.checklist { display: grid; gap: 12px; }
.checklist .label { font-size: 12px; letter-spacing: 3px; color: var(--blue); margin-bottom: 6px; }
.check-card { display: flex; gap: 20px; align-items: flex-start; background: #fff; border: 1px solid #dee8f5; border-radius: 14px; padding: 22px 24px; }
.check-num { font-size: 34px; font-weight: 800; line-height: 1; letter-spacing: -1px; color: #b9cbe2; min-width: 46px; }
.check-card h3 { font-size: 18px; letter-spacing: -.4px; }
.check-card p { font-size: 13px; margin-top: 4px; }
.check-tags { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.check-tags li { padding: 4px 10px; border-radius: 6px; border: 1px solid #d6e2f0; background: #f6f9fd; color: #4b5d72; font-size: 12px; font-weight: 600; }
.edu-cta { margin-top: 6px; background: var(--navy); border-radius: 14px; padding: 28px; color: #fff; }
.edu-cta h3 { font-size: 20px; letter-spacing: -.5px; }
.edu-cta p { color: #c7d5e4; font-size: 14px; margin: 8px 0 18px; }
.edu-cta .btn { width: 100%; justify-content: space-between; }
.edu-cta .btn:hover { background: #eaf2fe; }

.equipment { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.equip-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.equip-card:hover { transform: translateY(-6px); border-color: var(--blue); box-shadow: 0 18px 40px #1769e81f; }
.equip-media { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #f3f6fb; }
.equip-media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); transition: transform .4s ease; }
.equip-media.fit-contain img { object-fit: contain; transform: none; padding: 14px 0 0; }
.equip-card:hover .equip-media img { transform: scale(1.1); }
.equip-card:hover .equip-media.fit-contain img { transform: scale(1.04); }
.equip-num {
  position: absolute;
  top: 16px;
  left: 18px;
  z-index: 1;
  padding: 4px 10px;
  border-radius: 6px;
  background: #ffffffe6;
  color: var(--blue);
  font-size: 15px;
  font-weight: 700;
}
.equip-body { display: flex; flex-direction: column; flex: 1; padding: 24px 26px 26px; }
.equip-body h3 { font-size: 21px; letter-spacing: -.5px; }
.equip-role { margin-top: 6px; font-size: 15px !important; font-weight: 700; color: var(--blue) !important; line-height: 1.5; }
.equip-body p { font-size: 14px; line-height: 1.8; margin-top: 10px; }
.equip-check { margin: 20px 0 10px; font-size: 12px; font-weight: 700; color: var(--ink); }
.equip-tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.equip-tags li { padding: 5px 11px; border-radius: 999px; background: #eef4fd; color: #1b5fc9; font-size: 12px; font-weight: 600; }
.equip-link { margin-top: auto; padding-top: 22px; display: inline-flex; gap: 6px; align-items: center; font-size: 14px; font-weight: 700; color: var(--ink); }
.equip-link span { transition: transform .2s; }
.equip-link:hover, .equip-card:hover .equip-link { color: var(--blue); }
.equip-card:hover .equip-link span { transform: translateX(4px); }
.equip-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-top: 28px;
  padding: 34px 40px;
  border-radius: 14px;
  background: var(--navy);
  color: #fff;
}
.equip-cta h3 { font-size: 22px; letter-spacing: -.6px; }
.equip-cta p { margin-top: 10px; font-size: 14px; line-height: 1.8; color: #c7d5e4; max-width: 680px; }
.equip-cta .btn { flex-shrink: 0; }

.faq-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.faq-grid h2 { margin-bottom: 20px; }
.faq-list details { border-bottom: 1px solid var(--line); padding: 21px 0; }
.faq-list details:first-child { padding-top: 0; }
.faq-list summary {
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--blue); font-size: 22px; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { font-size: 14px; line-height: 1.9; margin-top: 16px; padding-right: 24px; }

.contact { background: #edf4fe; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-lead { margin-top: 20px; }
.phone { display: block; font-size: 42px; font-weight: 800; letter-spacing: -1px; margin: 20px 0 4px; }
.hours { font-size: 14px; }
.contact-card { background: #fff; padding: 32px; border-radius: 12px; border: 1px solid #dee8f5; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
.form-grid .btn { width: 100%; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field label { font-size: 13px; font-weight: 700; }
.field .optional { font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid #dce3ea;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 9px 12px;
  font-size: 14px;
}
.field input::placeholder, .field textarea::placeholder { color: #8b97a6; }
.form-grid textarea { resize: vertical; min-height: 95px; }
.form-note { margin: 0 !important; }
.form-grid [hidden] { display: none; }
.form-error { margin: 0; padding: 12px 14px; border-radius: 6px; background: #fdecec; color: #c62828; font-size: 14px; font-weight: 600; }
.member-note { margin: 0; padding: 12px 14px; border-radius: 6px; background: #eef4fd; color: var(--ink); font-size: 14px; }
.field input[aria-invalid="true"], .field select[aria-invalid="true"] { border-color: #d93025; }
.agree-check { display: flex; align-items: center; gap: 8px; font-weight: 600 !important; font-size: 14px !important; cursor: pointer; }
.agree-check input { width: 18px; height: 18px; accent-color: var(--blue); }
.agree-check .req { color: var(--blue); font-weight: 700; }
.agree-detail summary { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--muted); cursor: pointer; list-style: none; }
.agree-detail summary::-webkit-details-marker { display: none; }
.agree-detail summary::after { content: "▾"; font-size: 12px; transition: transform .2s; }
.agree-detail[open] summary::after { transform: rotate(180deg); }
.agree-detail summary:hover { color: var(--blue); }
.agree-body { margin-top: 10px; max-height: 220px; overflow-y: auto; padding: 16px 18px; border: 1px solid #dce3ea; border-radius: 8px; background: var(--paper); }
.agree-body:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.agree-body h4 { margin: 14px 0 6px; font-size: 13px; color: var(--ink); }
.agree-body p, .agree-body li { font-size: 12.5px; line-height: 1.7; color: var(--muted); }
.agree-body .agree-intro { margin: 0; }
.agree-body ul { margin: 0; padding-left: 18px; }
.captcha-box { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.captcha-box img { border: 1px solid #dce3ea; border-radius: 6px; background: #f4f7fb; }
.captcha-box input { flex: 1 1 140px; width: auto !important; }
.form-grid .captcha-box .btn { width: auto; min-height: 46px; }
.form-grid button[disabled] { opacity: .6; cursor: progress; }

.footer { background: #11273d; color: #fff; padding: 49px 0 28px; }
.footer-top { display: flex; justify-content: space-between; gap: 25px; }
.footer .brand { margin-bottom: 24px; }
.footer .brand img { filter: brightness(0) invert(1); }
.footer .brand em { color: #a9b8c9; border-color: #304254; }
.footer p { color: #a9b8c9; font-size: 12px; line-height: 2; }
.footer-links { display: flex; gap: 25px; font-size: 13px; flex-wrap: wrap; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  border-top: 1px solid #304254;
  margin-top: 30px;
  padding-top: 22px;
  font-size: 11px;
  color: #97aabd;
}
.prototype { background: #f3f6fa; color: #53667c; font-size: 11px; text-align: center; padding: 6px 15px; }
.float-contact {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 15;
  box-shadow: 0 6px 25px #13315326;
  border-radius: 30px;
  font-size: 14px;
  padding: 14px 22px;
}

dialog {
  border: 0;
  border-radius: 16px;
  padding: 36px;
  max-width: 560px;
  width: calc(100% - 32px);
  max-height: 85vh;
  overflow: auto;
  color: var(--ink);
  box-shadow: 0 30px 90px #0004;
}
dialog::backdrop { background: #0d2338a6; backdrop-filter: blur(5px); }
.dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 15px; }
.dialog-head h2 { font-size: 26px; letter-spacing: -1px; }
.close { font-size: 24px; background: var(--paper); border: 0; border-radius: 50%; height: 36px; width: 36px; flex-shrink: 0; }
dialog p { font-size: 15px; }
dialog .summary {
  white-space: pre-wrap;
  background: var(--paper);
  padding: 20px;
  border-radius: 8px;
  font-size: 15px;
  margin: 20px 0;
  color: var(--ink);
}
dialog .btn { margin-top: 8px; }
.dialog-status { font-size: 13px; margin-top: 12px; min-height: 24px; }

@media (min-width: 1600px) {
  .hero { min-height: 650px; }
  .hero .wrap { padding-top: 110px; }
}

@media (max-width: 1000px) {
  .nav { gap: 20px; }
  .navlinks { gap: 17px; }
  .brand em { display: none; }
  .hero h1 { font-size: 48px; }
  .split, .faq-grid, .contact-grid { gap: 35px; }
  .section h2 { font-size: 31px; }
  .equipment { gap: 14px; }
  .equip-body { padding: 20px; }
  .equip-cta { padding: 30px; gap: 28px; }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 145px; }
  .header .nav { display: grid; grid-template-columns: 1fr auto; height: auto; gap: 12px; padding-top: 13px; }
  .header .brand { grid-column: 1; grid-row: 1; }
  .header .nav > .header-tools { grid-column: 2; grid-row: 1; margin-left: 0; }
  .header .menu-toggle { display: none; }
  .header .navlinks {
    grid-column: 1 / -1;
    grid-row: 2;
    display: flex;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2px 12px;
    width: 100%;
    min-width: 0;
    margin: 0;
    padding: 6px 0;
    border-top: 1px solid var(--line);
    background: transparent;
    box-shadow: none;
    font-size: 13px;
  }
  .header .navlinks a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 7px 8px;
    white-space: nowrap;
    border-radius: 5px;
  }
  .header .navlinks a:hover, .header .navlinks a:focus-visible { background: #edf4fe; color: var(--blue); }
}

@media (max-width: 720px) {
  .wrap { padding: 0 22px; }
  .topbar .wrap > span { display: none; }
  .topbar .wrap { justify-content: end; font-size: 11px; }
  .brand img { height: 26px; }
  .header-tools { gap: 6px; }
  .header-tools .btn { padding: 10px 13px; font-size: 12px; gap: 8px; }
  .header-tools .btn .arrow { font-size: 16px; }
  .header-login, .header-mypage { height: 37px; padding: 0 10px; font-size: 12px; }
  .hero { min-height: 520px; }
  .hero .wrap { padding-top: 60px; padding-bottom: 60px; }
  .hero::after { background: linear-gradient(90deg, #142e48f5, #142e48ba); }
  .hero-image { object-position: 67% center; }
  .hero h1 { font-size: 39px; letter-spacing: -2px; }
  .hero p { font-size: 15px; margin: 16px 0 22px; }
  .hero-bottom { display: none; }
  .quicklinks a { padding: 22px 8px; font-size: 12px; }
  .section { padding: 65px 0; }
  .section-head { display: block; margin-bottom: 26px; }
  .section-head > p { display: block; margin-top: 15px; }
  .section h2 { font-size: 29px; letter-spacing: -1.3px; }
  .split, .faq-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .founder-cards, .equipment { grid-template-columns: 1fr; }
  .section-head > p br { display: none; }
  .equip-cta { display: block; padding: 26px 22px; }
  .equip-cta h3 { font-size: 19px; }
  .equip-cta .btn { width: 100%; margin-top: 20px; justify-content: space-between; }
  .founder-card { padding: 25px 0; display: grid; grid-template-columns: 60px 1fr; gap: 8px 20px; }
  .founder-card .big-num { grid-row: 1 / 4; font-size: 43px; }
  .founder-card h3 { margin: 0; font-size: 22px; }
  .founder-card p, .founder-card a { grid-column: 2; }
  .founder-card a { margin-top: 8px; }
  .tab-panel { padding: 24px 20px; }
  .tab-panel h3 { font-size: 19px; }
  .panel-icon { width: 44px; height: 44px; }
  .edu-split .copy > p br { display: none; }
  .check-card { padding: 20px 18px; gap: 14px; }
  .check-num { font-size: 28px; min-width: 36px; }
  .edu-cta { padding: 24px 20px; }
  .phone { font-size: 36px; }
  .contact-card { padding: 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .full { grid-column: auto; }
  .contact-actions { flex-direction: column; }
  .footer-top, .footer-bottom { display: block; }
  .footer-links { margin-top: 25px; gap: 16px; }
  .footer-bottom span { display: block; margin-top: 8px; }
  .float-contact { right: 16px; bottom: 16px; font-size: 13px; padding: 12px 17px; }
  .prototype { font-size: 10px; padding-right: 80px; }
  dialog { padding: 25px; }
}

@media (max-width: 520px) {
  html { scroll-padding-top: 190px; }
  .header-tools:has(#header-mypage:not([hidden])) .btn { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}