:root {
  --ink: #142033;
  --muted: #5c6b7c;
  --line: #e4ebf3;
  --blue: #1d6fe8;
  --brandColor: #1d6fe8;
  --brandColor-dark: #1558c0;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  background: #fff;
  color: var(--ink);
  font-family: Pretendard, "Apple SD Gothic Neo", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}
img { max-width: 100%; height: auto; display: block; }
button, input { font-family: inherit; }
a { color: inherit; }

.inner {
  width: 100%;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 28px;
  padding-right: 28px;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  text-decoration: none;
}
.brand img { width: 34px; height: 34px; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { text-decoration: none; font-weight: 650; font-weight: 600; color: #314355; }
.nav .go {
  background: var(--blue);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
}
.mnav { display: none; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  padding-top: 64px;
  padding-bottom: 36px;
  align-items: start;
}
.kicker {
  margin: 0 0 12px;
  color: var(--blue);
  font-weight: 700;
  font-size: 14px;
}
.hero h1 {
  margin: 0 0 14px;
  font-size: 64px;
  line-height: 1.05;
  letter-spacing: -0.04em;
}
.lede {
  margin: 0 0 22px;
  max-width: 460px;
  font-size: 18px;
  color: #314355;
}
.hero figure { margin: 0; }
.hero figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.sheet {
  background: transparent;
  padding: 0;
}
.form_area,
.form_area .inner { width: auto; max-width: none; margin: 0; padding: 0; background: transparent; }
.form_area form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 22px;
  background: #fff;
  border-radius: 12px;
}
.form_head strong { display: block; margin: 8px 0 4px; font-size: 22px; }
.form_head p { margin: 0; color: var(--muted); font-size: 14px; }
.form_badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #14324f;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}
.form_area ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.name_wrap, .birth_wrap, .tel_wrap { display: flex; gap: 8px; }
.name_wrap input, .birth_wrap input, .tel_wrap input {
  width: 100%;
  height: 48px;
  padding: 0 12px;
  border: 1px solid #d5deea;
  border-radius: 8px;
  background: #fff;
  font-size: 16px;
  color: var(--ink);
}
.sex_cover { display: flex; gap: 6px; flex: 0 0 auto; }
.sex_box { position: relative; }
.sex_box input {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
}
.sex_box label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid #d5deea;
  border-radius: 8px;
  cursor: pointer;
}
.sex_box input:checked + label { background: #14324f; color: #fff; border-color: #14324f; }
.privacy_wrap { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.privacy_wrap input { width: 16px; height: 16px; accent-color: var(--blue); }
.privacy1 { border: 0; background: none; color: var(--blue); cursor: pointer; padding: 0; }
.btn_submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  border: 0;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
}

.reasons {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 8px;
  background: #14324f;
  color: #fff;
  border-radius: 16px;
  overflow: hidden;
}
.reasons article { padding: 32px 24px 36px; border-left: 1px solid rgba(255,255,255,.14); }
.reasons article:first-child { border-left: 0; }
.reasons img { width: 40px; height: 40px; margin-bottom: 18px; }
.reasons h3 { margin: 0 0 8px; font-size: 20px; font-weight: 700; }
.steps { margin: 0 0 16px; padding-left: 1.2em; }
.steps li { margin: 0 0 8px; }
.reasons p { margin: 0; color: rgba(255,255,255,.82); font-size: 15px; }

.block { padding-top: 72px; padding-bottom: 72px; }
.block h2 { margin: 0 0 8px; font-size: 34px; letter-spacing: -0.03em; }
.block .intro { margin: 0 0 28px; color: var(--muted); }

.topic {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.topic img { width: 44px; height: 44px; }
.topic h3 { margin: 0 0 6px; font-size: 18px; }
.topic p { margin: 0; color: #314355; }

.split { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: 40px; }
.prose p { margin: 0 0 14px; }
.prose h3 { margin: 26px 0 8px; font-size: 22px; }
.score {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 18px;
  font-size: 15px;
  table-layout: fixed;
}
.score th, .score td { padding: 12px 10px; text-align: left; border-bottom: 1px solid var(--line); }
.score th { background: #14324f; color: #fff; }
.score caption { caption-side: bottom; padding-top: 8px; text-align: left; color: var(--muted); font-size: 13px; }
.side {
  align-self: start;
  padding: 8px;
  background: #f3f7fb;
  border-radius: 16px;
}
.side ul { list-style: none; margin: 12px 8px 8px; padding: 0; }
.side li { padding: 10px 0; border-top: 1px solid #dbe5f0; font-weight: 600; }
.side i { width: 22px; color: var(--blue); }

.notes { margin-top: 12px; }
.notes article { padding: 20px 0; border-top: 1px solid var(--line); }
.notes h3 { margin: 0 0 6px; font-size: 18px; }
.notes p { margin: 0; color: #314355; }

.jumps { display: flex; flex-direction: column; gap: 10px; padding-top: 8px; padding-bottom: 8px; }
.jumps a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 32px;
  border-radius: 16px;
  color: #fff;
  text-decoration: none;
}
.jumps a:nth-child(1) { background: #1d6fe8; }
.jumps a:nth-child(2) { background: #0e8a7d; }
.jumps a:nth-child(3) { background: #e07a2f; }
.jumps strong { display: block; font-size: 26px; letter-spacing: -0.03em; }
.jumps span { display: block; margin-top: 4px; opacity: .9; }
.jumps em { font-style: normal; font-weight: 700; }

.faq details { border-top: 1px solid var(--line); }
.faq summary { padding: 18px 0; font-weight: 700; font-size: 18px; cursor: pointer; }
.faq details p { margin: 0 0 18px; color: #314355; }

.closer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 8px;
  margin-bottom: 28px;
  padding-top: 40px;
  padding-bottom: 40px;
  background: #1d6fe8;
  color: #fff;
  border-radius: 16px;
}
.closer h2 { margin: 0 0 8px; font-size: 28px; letter-spacing: -0.03em; }
.closer p { margin: 0; max-width: 560px; }
.closer .actions { display: flex; flex-wrap: wrap; gap: 8px; }
.closer .actions a {
  display: inline-flex;
  align-items: center;
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(255,255,255,.16);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}
.closer .actions a.fill { background: #fff; color: #1558c0; }

@media (max-width: 900px) {
  .nav { display: none; }
  .mnav { display: block; position: relative; }
  .mnav summary { list-style: none; cursor: pointer; font-size: 22px; }
  .mnav summary::-webkit-details-marker { display: none; }
  .mnav div {
    position: absolute;
    right: 0;
    top: 36px;
    display: flex;
    flex-direction: column;
    min-width: 180px;
    padding: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
  }
  .mnav a { padding: 10px 12px; text-decoration: none; font-weight: 600; }
  .hero, .split, .reasons { grid-template-columns: 1fr; }
  .reasons article { border-left: 0; border-top: 1px solid rgba(255,255,255,.14); }
  .hero h1 { font-size: 46px; }
  .hero { padding-top: 36px; gap: 28px; padding-left: 16px; padding-right: 16px; }
  .form_area form { padding: 4px 0 0; background: transparent; }
  .closer { flex-direction: column; align-items: flex-start; }
  .jumps a { align-items: flex-start; flex-direction: column; }
}