body {
  font-family: "IBM Plex Sans JP", "Hiragino Sans", sans-serif;
  background: #f4f1ea;
  color: #1a1a1a;
  margin: 0;
}
a { color: #0b57d0; }
.site-header {
  background: #161616;
  color: #f4f1ea;
}
.site-header a { color: #f4f1ea; text-decoration: none; }
.site-bar {
  max-width: 920px;
  margin: 0 auto;
  padding: 1rem 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  align-items: center;
  justify-content: space-between;
}
.brand-lockup { font-weight: 700; letter-spacing: 0.01em; }
.brand-lockup span { display: block; font-weight: 400; font-size: 0.78rem; opacity: 0.75; }
.site-nav { display: flex; flex-wrap: wrap; gap: 0.8rem 1rem; font-size: 0.95rem; }
.wrap { max-width: 920px; margin: 0 auto; padding: 2rem 1.2rem 3rem; }
h1 { font-size: 2rem; line-height: 1.25; margin: 0 0 0.6rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.5rem; }
.lead { font-size: 1.08rem; max-width: 38rem; }
.start {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.1rem;
  background: #161616;
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0.7rem; margin-top: 0.8rem; }
.dest {
  background: #fff;
  border-radius: 14px;
  padding: 0.9rem 1rem;
  min-height: 6.5rem;
}
.dest strong { display: block; margin-bottom: 0.3rem; }
.dest p { margin: 0; font-size: 0.88rem; color: #333; }
.steps { display: grid; gap: 0.7rem; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem;
  background: #fff;
  border-radius: 14px;
  padding: 0.9rem 1rem;
}
.num {
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 50%;
  background: #161616;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
}
.site-footer {
  border-top: 1px solid #ddd;
  padding: 1.2rem;
  color: #333;
  font-size: 0.92rem;
}
.site-footer .wrap { padding-top: 0; padding-bottom: 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 0.8rem 1rem; margin-bottom: 0.6rem; }
label { display: block; margin: 0.7rem 0; }
input[type="email"], input[type="password"], textarea, select {
  width: 100%;
  box-sizing: border-box;
  margin-top: 0.25rem;
  padding: 0.55rem;
  font: inherit;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fff;
}
button { font: inherit; margin: 0.3rem 0.4rem 0.3rem 0; padding: 0.55rem 0.85rem; border-radius: 999px; border: 1px solid #161616; background: #fff; cursor: pointer; }
button.primary { background: #161616; color: #fff; }
button:disabled { color: #8a8a8a; border-color: #ccc; background: #eee; cursor: default; }
.check { display: flex; gap: 0.5rem; align-items: flex-start; }
.check:has(input:disabled) { color: #8a8a8a; }
video { width: 100%; max-height: 280px; background: #111; border-radius: 12px; margin: 0.6rem 0; }
.card, .panel { background: #fff; border-radius: 14px; padding: 0.9rem 1rem; margin: 0.7rem 0; }
.meta { color: #444; font-size: 0.92rem; }
.error { color: #9b1c1c; }
[hidden] { display: none !important; }
@media (max-width: 640px) {
  h1 { font-size: 1.6rem; }
}