.gate,
.gate * { box-sizing: border-box; }

.gate {
  display: grid;
  place-items: center;
  min-height: 100vh;
  margin: 0;
  background: #fff;
  color: #111;
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
}

.gate__main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 56px;
  padding: 24px;
}

.gate__logo {
  margin: 0;
  font-family: "Michroma", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(32px, 7vw, 56px);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-indent: 0.14em;
}

.gate__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 280px;
  min-height: 52px;
  padding: 0 32px;
  border-radius: 999px;
  background: #111;
  color: #fff;
  font-size: 16px;
  text-decoration: none;
  transition: background 0.2s;
}

.gate__button:hover { background: #333; }
.gate__button:focus-visible { outline: 2px solid #0b5fff; outline-offset: 3px; }