:root {
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.6;
  color: #212529;
}

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background: #ffffff;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-box {
  width: 75%;
}

.header-logo {
  width: 180px;
  height: 48px;
}

main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-top: 70px;
}

h1 {
  color: #00ac97;
  font-size: 32px;
  font-weight: 700;
  margin: 24px 0;
}

p {
  margin: 0;
}

.period {
  font-weight: 700;
  margin: 8px 0;
}

.box {
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: start;
    padding-left: 100px;
    margin: 24px 0;
}

.icon {
  width: 140px;
  height: auto;
  margin-top: 12px;
}

.url-link {
  display: inline-block;
  color: #0d6efd;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  word-break: break-all;
}

.url-link:hover {
  text-decoration: underline;
}

.note {
  margin-top: 16px;
}

footer {
  background: #00ac97;
  color: #ffffff;
  text-align: center;
  padding: 16px 24px;
  font-size: 13px;
  position: fixed;
  bottom: 0;
  width: 100%;
}

footer p {
  margin: 0;
}