@font-face {
  font-family: "Cafe24Ssurround";
  src: url("https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2105_2@1.0/Cafe24Ssurround.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
    font-family: 'Paperozi';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-8ExtraBold.woff2') format('woff2');
    font-weight: 800;
    font-display: swap;
}

:root {
  --paper: #f4fcff;
  --paper-deep: #e7f8fd;
  --card: #ffffff;
  --ink: #214657;
  --muted: #64808d;
  --pink: #41b7dc;
  --pink-deep: #1485ad;
  --pink-soft: #d9f4fc;
  --lavender: #70c7e2;
  --lavender-soft: #e5f7fc;
  --blue-soft: #dff5fb;
  --mint-soft: #e7faf8;
  --line: #c9e9f3;
  --shadow: 0 18px 52px rgba(32, 117, 146, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 6%, rgba(184, 231, 245, .72), transparent 24rem),
    radial-gradient(circle at 92% 19%, rgba(213, 244, 252, .82), transparent 26rem),
    var(--paper);
  color: var(--ink);
  font-family: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  line-height: 1.72;
  letter-spacing: -.015em;
  word-break: keep-all;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
strong { color: #173e50; }
code {
  padding: .14em .42em;
  border: 1px solid #cbe8f2;
  border-radius: 7px;
  background: #fff;
  color: #22677f;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: .9em;
  word-break: break-all;
}

.page-sparkles { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: -1; color: rgba(65,183,220,.25); }
.page-sparkles span { position: absolute; font-size: clamp(16px, 2vw, 30px); }
.page-sparkles span:nth-child(1) { top: 13%; left: 4%; }
.page-sparkles span:nth-child(2) { top: 7%; right: 8%; color: rgba(36,150,185,.22); }
.page-sparkles span:nth-child(3) { top: 48%; right: 3%; }
.page-sparkles span:nth-child(4) { top: 70%; left: 5%; font-size: 40px; }
.page-sparkles span:nth-child(5) { top: 90%; right: 11%; color: rgba(36,150,185,.26); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  width: min(1180px, calc(100% - 36px));
  height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(244,252,255,.86);
  border-bottom: 1px solid rgba(184,231,245,.9);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 900; }
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(30,104,130,.20);
}
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-family: "Cafe24Ssurround", sans-serif; font-weight: 400; }
.brand-copy small { margin-top: 4px; color: #7295a4; font-size: 8px; letter-spacing: .17em; }
nav { display: flex; gap: 24px; color: #547787; font-size: 13px; font-weight: 800; }
nav a { position: relative; padding: 10px 0; }
nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 6px; height: 2px; background: var(--pink); transition: right .2s ease; }
nav a:hover { color: var(--pink-deep); }
nav a:hover::after { right: 0; }

main { overflow: clip; }
.hero {
  width: min(1180px, calc(100% - 36px));
  min-height: 650px;
  margin: 0 auto;
  padding: 74px 0 94px;
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 42px;
  align-items: center;
}
.kicker, .section-label { margin: 0 0 14px; color: var(--pink-deep); font-size: 11px; font-weight: 950; letter-spacing: .13em; }
h1, h2, h3, p { overflow-wrap: anywhere; }

h1, h2, h3 { font-family: "Paperozi", "Pretendard Variable", sans-serif; font-weight: 400; }

h1 { margin: 0; font-size: clamp(46px, 5vw, 72px); line-height: 1.14; letter-spacing: -.03em; }
h1 em { color: var(--pink-deep); font-style: normal; text-shadow: 0 5px 0 #cceef8; }
.hero-lead { max-width: 590px; margin: 26px 0 0; color: #587987; font-size: 17px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
.hero-tags span { padding: 7px 11px; border: 1px solid #c9e9f3; border-radius: 999px; background: rgba(255,255,255,.78); color: #4c7383; font-size: 12px; font-weight: 800; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 31px; }
.button { min-height: 48px; padding: 12px 19px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; border-radius: 999px; font-weight: 900; font-size: 14px; }
.button.primary { background: linear-gradient(135deg, #57c5e5, #1498c3); color: white; box-shadow: 0 13px 26px rgba(30,151,191,.24); }
.button.primary:hover { background: linear-gradient(135deg, #46bddd, #0e83ad); transform: translateY(-1px); }
.button.ghost { border: 1px solid #c5e7f1; background: rgba(255,255,255,.72); color: #416c7d; }
.button.download { margin-top: 24px; background: #247d9c; color: white; }
.button[hidden] { display: none; }

.hero-card { position: relative; margin: 0; padding: 28px 13px 13px; border: 1px solid rgba(184,231,245,.95); border-radius: 25px; background: rgba(255,255,255,.9); box-shadow: var(--shadow); }
.hero-card::before { content: "✦"; position: absolute; right: 20px; top: -35px; width: 70px; height: 70px; display: grid; place-items: center; border-radius: 22px; background: #b8e7f5; color: #167fa6; font-size: 30px; transform: rotate(7deg); box-shadow: 0 12px 22px rgba(44,151,184,.18); }
.window-dots { position: absolute; top: 12px; left: 17px; display: flex; gap: 6px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #a8dceb; }
.hero-card img { width: 100%; border-radius: 14px; border: 1px solid #c6e9f3; }
.hero-card figcaption { padding: 13px 8px 2px; color: #5c7d89; font-size: 12px; }
.hero-card figcaption span { color: var(--pink); }

.compatibility {
  width: min(1100px, calc(100% - 36px));
  margin: -18px auto 88px;
  padding: 32px 36px;
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 38px;
  align-items: start;
  border: 1px solid #b8e7f5;
  border-radius: 25px;
  background: rgba(255,255,255,.82);
  box-shadow: 0 15px 40px rgba(36,123,151,.09);
}
.compatibility h2 { margin: 0; font-size: clamp(24px, 3vw, 32px); line-height: 1.35; }
.compatibility-intro > p:last-child { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.compatibility-groups { display: grid; gap: 18px; }
.compatibility-group { padding-bottom: 16px; border-bottom: 1px dashed #c9e9f3; }
.compatibility-group:last-child { padding-bottom: 0; border-bottom: 0; }
.compatibility-group > strong { display: block; margin-bottom: 9px; color: #28728d; font-size: 12px; }
.chip-list { display: flex; flex-wrap: wrap; gap: 7px; }
.chip-list span { padding: 7px 10px; border: 1px solid #c5e8f2; border-radius: 999px; background: #f1fbfe; color: #436b7a; font-size: 11px; font-weight: 800; }
.cloud-group .chip-list span { background: #e0f5fb; }
.cloud-group small { display: block; margin-top: 10px; color: #688692; font-size: 11px; }

.guide-layout { width: min(1180px, calc(100% - 36px)); margin: 0 auto; display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 54px; align-items: start; }
.toc { position: sticky; top: 100px; padding: 22px 18px; border: 1px solid #cae9f3; border-radius: 20px; background: rgba(255,255,255,.76); box-shadow: 0 12px 35px rgba(36,112,139,.07); }
.toc > p { margin: 0 8px 12px; color: #6996a7; font-size: 10px; font-weight: 950; letter-spacing: .12em; }
.toc ol { margin: 0; padding: 0; list-style: none; }
.toc a { padding: 9px 8px; display: flex; gap: 9px; border-radius: 10px; color: #527483; font-size: 12px; font-weight: 750; }
.toc a:hover { background: var(--pink-soft); color: var(--pink-deep); }
.toc a span { color: #79a5b5; font-size: 10px; }

.guide { min-width: 0; }
.guide-section { padding: 18px 0 96px; border-bottom: 1px dashed #c9e9f3; }
.guide-section + .guide-section { padding-top: 92px; }
.section-label { display: inline-flex; padding: 5px 10px; border: 1px solid #bfe5f1; border-radius: 999px; background: rgba(255,255,255,.82); }
h2 { margin: 0; font-size: clamp(34px, 4.3vw, 52px); line-height: 1.25; letter-spacing: -.05em; }
.section-lead { max-width: 700px; margin: 17px 0 0; color: var(--muted); font-size: 16px; }
h3 { margin: 0; font-size: 19px; letter-spacing: -.025em; }

.big-steps { margin: 36px 0 0; padding: 0; display: grid; gap: 14px; list-style: none; }
.big-steps li { padding: 23px 25px; display: grid; grid-template-columns: 42px 1fr; gap: 17px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.82); }
.big-steps p { margin: 7px 0 0; color: var(--muted); }
.step-no { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--pink-soft); color: var(--pink-deep); font-weight: 950; }
.soft-note { margin-top: 23px; padding: 20px 23px; border-radius: 17px; }
.soft-note strong { display: block; margin-bottom: 3px; }
.soft-note p { margin: 0; color: #557583; font-size: 14px; }
.soft-note.pink { border-left: 4px solid var(--pink); background: #e7f8fd; }
.soft-note.lavender { border-left: 4px solid var(--lavender); background: var(--lavender-soft); }

.shot { margin: 28px 0 0; padding: 10px; border: 1px solid #c9e8f2; border-radius: 18px; background: white; box-shadow: 0 15px 38px rgba(36,112,139,.10); }
.shot img { width: 100%; border-radius: 11px; }
.shot figcaption { padding: 11px 5px 2px; color: #63818d; font-size: 12px; }
.wide-shot { margin-top: 32px; }
.tour-list { margin-top: 25px; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.tour-list > div { padding: 15px; display: flex; gap: 12px; align-items: flex-start; border: 1px solid #cceaf3; border-radius: 14px; background: rgba(255,255,255,.74); }
.tour-list b { flex: 0 0 28px; height: 28px; display: grid; place-items: center; border-radius: 9px; background: #2b91b4; color: white; font-size: 12px; }
.tour-list p { margin: 0; display: grid; }
.tour-list span { margin-top: 2px; color: var(--muted); font-size: 12px; }

.mini-guide { margin-top: 40px; display: grid; grid-template-columns: .7fr 1.3fr; gap: 28px; align-items: center; }
.mini-guide.reverse { grid-template-columns: 1.2fr .8fr; }
.mini-guide.reverse .mini-copy { order: 2; }
.mini-guide .shot { margin: 0; }
.mini-no { margin-bottom: 11px; display: inline-block; color: var(--pink-deep); font-size: 12px; font-weight: 950; }
.mini-copy p { margin: 10px 0 0; color: var(--muted); }
.remember { margin-top: 28px; padding: 20px 22px; display: flex; gap: 15px; align-items: flex-start; border-radius: 17px; background: #276d87; color: #eefbff; }
.remember > span { color: #ffd36c; }
.remember p { margin: 0; }
.remember strong, .remember em { color: white; }
.remember em { font-style: normal; text-decoration: underline; text-decoration-color: #8bd5eb; text-underline-offset: 3px; }

.action-cards { margin-top: 32px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.action-cards article { padding: 22px 20px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.82); }
.action-cards article > span { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; background: var(--pink-soft); color: var(--pink-deep); font-weight: 950; }
.action-cards h3 { margin-top: 14px; }
.action-cards ol { margin: 12px 0 0; padding-left: 20px; color: var(--muted); font-size: 13px; }
.action-cards li + li { margin-top: 5px; }

.apply-steps { margin: 34px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; list-style: none; }
.apply-steps li { padding: 22px; display: flex; gap: 14px; border: 1px solid #cae9f3; border-radius: 18px; background: rgba(255,255,255,.8); }
.apply-steps b { flex: 0 0 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--lavender-soft); color: #197b9e; }
.apply-steps p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
.status-shot img { min-height: 60px; object-fit: cover; }
.support-table { margin-top: 26px; overflow: hidden; border: 1px solid #c7e7f1; border-radius: 17px; background: white; }
.support-table > div { display: grid; grid-template-columns: .8fr 1.2fr; }
.support-table span { padding: 14px 17px; border-bottom: 1px solid #dceff5; color: #527381; font-size: 13px; }
.support-table span + span { border-left: 1px solid #dceff5; }
.support-table > div:last-child span { border-bottom: 0; }
.support-table .support-head { background: #247e9e; }
.support-table .support-head span { color: white; font-weight: 900; }

.simple-list { margin: 32px 0 0; padding: 0; display: grid; gap: 10px; list-style: none; counter-reset: item; }
.simple-list li { padding: 15px 18px; display: flex; gap: 13px; align-items: flex-start; border-radius: 14px; background: rgba(255,255,255,.75); border: 1px solid #cceaf3; }
.simple-list li span { flex: 0 0 26px; height: 26px; display: grid; place-items: center; border-radius: 8px; background: var(--blue-soft); color: #2a7e9c; font-size: 11px; font-weight: 950; }
.simple-list p { margin: 0; }

.settings-list { margin-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.settings-list > div { padding: 18px; border: 1px solid #cbe9f3; border-radius: 15px; background: rgba(255,255,255,.75); }
.settings-list p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.tray-card { margin-top: 20px; padding: 22px; display: grid; grid-template-columns: auto 1fr; gap: 17px; border-radius: 18px; background: #e8f8fd; }
.tray-icon { width: 46px; height: 46px; border-radius: 12px; object-fit: cover; }
.tray-card p { margin: 6px 0 0; color: var(--muted); }

.faq-list { margin-top: 27px; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 21px 40px 21px 3px; cursor: pointer; font-weight: 900; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 5px; top: 18px; width: 26px; height: 26px; display: grid; place-items: center; border-radius: 9px; background: var(--pink-soft); color: var(--pink-deep); }
details[open] summary::after { content: "−"; }
details > div { padding: 0 40px 21px 3px; color: var(--muted); }
details > div p { margin: 0; }
details > div p + p { margin-top: 9px; }

.end-card { width: min(940px, calc(100% - 36px)); margin: 92px auto 0; padding: 72px 30px; text-align: center; border: 1px solid #bfe5f1; border-radius: 30px; background: linear-gradient(150deg, rgba(225,247,253,.96), rgba(244,252,255,.98)); box-shadow: var(--shadow); }
.end-card > span { display: block; margin-bottom: 16px; font-size: 42px; }
.end-card h2 { font-size: clamp(30px, 4vw, 46px); }
.end-card .button { margin-top: 28px; }

footer { width: min(1180px, calc(100% - 36px)); margin: 40px auto 0; padding: 32px 0 44px; display: flex; align-items: center; gap: 20px; color: #70909d; font-size: 12px; }
footer p { margin: 0; flex: 1; text-align: center; }
footer > a { color: var(--pink-deep); font-weight: 900; }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 48px; padding-top: 58px; }
  .hero-copy { max-width: 720px; }
  .hero-card { transform: none; }
  .compatibility { grid-template-columns: 1fr; }
  .guide-layout { grid-template-columns: 1fr; }
  .toc { position: static; padding: 14px; overflow-x: auto; }
  .toc > p { display: none; }
  .toc ol { width: max-content; display: flex; }
  .toc a { white-space: nowrap; }
  .guide-section { scroll-margin-top: 150px; }
  .action-cards { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 68px; }
  body { word-break: normal; }
  .site-header { width: calc(100% - 24px); height: 62px; }
  nav { gap: 12px; font-size: 11px; }
  nav a:nth-child(3) { display: none; }
  .brand-mark { width: 33px; height: 33px; border-radius: 10px; }
  .brand-copy small { display: none; }
  .hero { width: calc(100% - 28px); min-height: 0; padding: 48px 0 78px; }
  h1 { font-size: 45px; }
  .hero-lead { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-card { padding: 23px 7px 8px; border-radius: 18px; }
  .hero-card::before { width: 52px; height: 52px; right: 12px; top: -28px; border-radius: 17px; font-size: 24px; }
  .hero-card figcaption { font-size: 11px; }
  .compatibility { width: calc(100% - 28px); margin-bottom: 64px; padding: 25px 22px; gap: 24px; }
  .guide-layout { width: calc(100% - 28px); gap: 32px; }
  .guide-section { padding-bottom: 72px; }
  .guide-section + .guide-section { padding-top: 70px; }
  h2 { font-size: 35px; }
  .section-lead { font-size: 14px; }
  .big-steps li { padding: 19px 17px; grid-template-columns: 36px 1fr; }
  .step-no { width: 34px; height: 34px; }
  .tour-list, .apply-steps, .settings-list { grid-template-columns: 1fr; }
  .mini-guide, .mini-guide.reverse { grid-template-columns: 1fr; gap: 18px; }
  .mini-guide.reverse .mini-copy { order: 0; }
  .mini-guide .shot { order: 2; }
  .shot { padding: 6px; border-radius: 13px; overflow-x: auto; }
  .wide-shot img { width: 880px; max-width: none; }
  .support-table { overflow-x: auto; }
  .support-table > div { min-width: 620px; }
  .end-card { width: calc(100% - 28px); margin-top: 72px; padding: 55px 22px; }
  footer { width: calc(100% - 28px); flex-wrap: wrap; }
  footer p { flex-basis: 100%; order: 3; text-align: left; }
}

@media (max-width: 430px) {
  nav a:nth-child(4) { display: none; }
  h1 { font-size: 39px; }
  .hero-tags span { font-size: 10px; }
  .tour-list { grid-template-columns: 1fr; }
}

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