/*
Theme Name: ROCK STEADY THREADS Coming Soon
Theme URI: https://rocksteadythreads.jp/
Author: ROCK STEADY THREADS
Description: ROCK STEADY THREADSのサイト準備中ページを表示する軽量テーマです。
Version: 1.0.0
Text Domain: rst-coming-soon
*/

:root {
  --rst-bg: #11110f;
  --rst-fg: #f3f0e8;
  --rst-muted: #aaa79f;
  --rst-line: rgba(243, 240, 232, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--rst-bg);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.035), transparent 38%),
    var(--rst-bg);
  color: var(--rst-fg);
  font-family: Arial, "Helvetica Neue", "Noto Sans JP", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.rst-page {
  position: relative;
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  place-items: center;
  overflow: hidden;
  padding: 56px 28px;
  isolation: isolate;
}

.rst-page::before,
.rst-page::after {
  position: absolute;
  z-index: -1;
  width: 1px;
  height: 26vh;
  min-height: 120px;
  background: linear-gradient(transparent, var(--rst-line), transparent);
  content: "";
}

.rst-page::before {
  top: 0;
  left: 8vw;
}

.rst-page::after {
  right: 8vw;
  bottom: 0;
}

.rst-content {
  width: min(100%, 980px);
  text-align: center;
}

.rst-brand {
  margin: 0;
  font-size: clamp(36px, 8.2vw, 112px);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.87;
  text-transform: uppercase;
}

.rst-brand span {
  display: block;
}

.rst-rule {
  width: min(100%, 420px);
  height: 1px;
  margin: 42px auto 34px;
  border: 0;
  background: var(--rst-line);
}

.rst-status {
  margin: 0;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.19em;
  line-height: 2;
}

.rst-status-en {
  display: block;
  margin-top: 4px;
  color: var(--rst-muted);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

@media (max-width: 520px) {
  .rst-page {
    padding: 44px 20px;
  }

  .rst-brand {
    font-size: clamp(39px, 14vw, 66px);
    line-height: 0.9;
  }

  .rst-rule {
    margin-top: 34px;
    margin-bottom: 28px;
  }

  .rst-status {
    font-size: 12px;
  }

}

@media (prefers-reduced-motion: no-preference) {
  .rst-content {
    animation: rst-reveal 900ms cubic-bezier(0.22, 1, 0.36, 1) both;
  }

  @keyframes rst-reveal {
    from {
      opacity: 0;
      transform: translateY(12px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}