/* ==============================
   Base
============================== */

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Helvetica Neue",
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    "Yu Gothic",
    "Meiryo",
    sans-serif;

  color: #263238;
  background:
    linear-gradient(
      135deg,
      #f6fbf9 0%,
      #f4f9fc 100%
    );
}


/* ==============================
   Maintenance
============================== */

.maintenance {
  min-height: 100vh;
  min-height: 100dvh;

  display: flex;
  justify-content: center;
  align-items: center;

  padding: 40px 20px;
}


/* Card */

.maintenance__card {
  width: 100%;
  max-width: 720px;

  padding: 64px 48px;

  background: rgba(255, 255, 255, 0.94);

  border-radius: 16px;

  box-shadow:
    0 12px 40px rgba(30, 70, 80, 0.08);

  text-align: center;
}


/* MiRAIE color mark */

.maintenance__mark {
  display: flex;
  justify-content: center;
  gap: 6px;

  margin-bottom: 24px;
}

.maintenance__mark-green,
.maintenance__mark-blue {
  display: block;

  width: 34px;
  height: 5px;

  border-radius: 999px;
}

.maintenance__mark-green {
  background: #58a65c;
}

.maintenance__mark-blue {
  background: #368bb5;
}


/* Company */

.maintenance__company {
  margin: 0;

  color: #243d46;

  font-size: clamp(24px, 4vw, 34px);
  font-weight: 700;

  letter-spacing: 0.08em;
}


/* Divider */

.maintenance__line {
  width: 48px;
  height: 1px;

  margin: 28px auto;

  background: #cbd8dc;
}


/* Title */

.maintenance__title {
  margin: 0 0 20px;

  font-size: clamp(20px, 3vw, 26px);
  font-weight: 600;

  line-height: 1.7;
  letter-spacing: 0.04em;
}


/* Text */

.maintenance__text,
.maintenance__contact {
  margin: 0;

  color: #617078;

  font-size: 16px;
  line-height: 1.9;
}

.maintenance__text {
  margin-bottom: 32px;
}

.maintenance__contact {
  margin-bottom: 8px;
}


/* Telephone */

.maintenance__tel {
  display: inline-block;

  color: #257aa3;

  font-size: clamp(25px, 5vw, 34px);
  font-weight: 700;

  letter-spacing: 0.05em;

  text-decoration: none;

  transition:
    color 0.2s ease,
    opacity 0.2s ease;
}

.maintenance__tel:hover {
  color: #58a65c;
}

.maintenance__tel:focus-visible {
  outline: 3px solid rgba(54, 139, 181, 0.3);
  outline-offset: 5px;

  border-radius: 4px;
}


/* ==============================
   Smartphone
============================== */

@media (max-width: 600px) {

  .maintenance {
    padding: 24px 16px;
  }

  .maintenance__card {
    padding: 48px 24px;
    border-radius: 12px;
  }

  .maintenance__company {
    letter-spacing: 0.05em;
  }

  .maintenance__title {
    line-height: 1.6;
  }

}