/* ==========================================================================
   Ci-en メンテナンスページ スタイルシート

   デザイン変更時は :root のカスタムプロパティを変更してください。
   色・フォント・余白・角丸などの値はすべてカスタムプロパティで管理しています。
   Figma: https://www.figma.com/design/VYUZcADzAS3FhDOtP2BOuw/Ci-en-Design?node-id=13004-60533
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-page-background: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-outline: #f2f2f2;
  --color-surface-outline-middle: #c7c8c9;
  --color-on-surface: #0f1620;
  --color-on-surface-variant: #52575d;
  --color-primary: #3196da;
  --color-x-border: #000000;
  --color-x-text: #000000;
  --color-illustration-bg: #ebf5fb;
  --color-illustration-fg: #3196da;
  --color-shadow: rgba(5, 16, 30, 0.05);

  /* Typography */
  --font-family: 'Noto Sans JP', sans-serif;
  --font-size-title: 20px;
  --font-size-body: 14px;
  --font-weight-bold: 700;
  --font-weight-regular: 400;
  --line-height: 1.5;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 10px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 40px;

  /* Sizing */
  --header-height: 80px;
  --logo-width: 98px;
  --logo-height: 32px;
  --card-max-width: 992px;
  --card-radius: 4px;
  --button-width: 152px;
  --button-height: 44px;
  --button-radius: 9999px;
  --illustration-size: 144px;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height);
  color: var(--color-on-surface);
  background-color: var(--color-page-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.maintenance-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--header-height);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-surface-outline-middle);
  box-shadow: 0 4px 80px var(--color-shadow);
}

.maintenance-header__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 var(--spacing-xl);
}

.maintenance-header__logo {
  width: var(--logo-width);
  height: var(--logo-height);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Page Layout
   -------------------------------------------------------------------------- */
.maintenance-page {
  display: flex;
  justify-content: center;
  padding: var(--spacing-lg) var(--spacing-xl) 120px;
}

/* --------------------------------------------------------------------------
   Card
   -------------------------------------------------------------------------- */
.maintenance-card {
  width: 100%;
  max-width: var(--card-max-width);
  padding: var(--spacing-xl) var(--spacing-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-surface-outline);
  border-radius: var(--card-radius);
}

/* --------------------------------------------------------------------------
   Inner Container (controls spacing between major sections)
   -------------------------------------------------------------------------- */
.maintenance-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  width: 100%;
}

/* --------------------------------------------------------------------------
   Content Block (illustration + title + description)
   -------------------------------------------------------------------------- */
.maintenance-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  width: 100%;
}

/* --------------------------------------------------------------------------
   Illustration
   -------------------------------------------------------------------------- */
.maintenance-illustration {
  width: var(--illustration-size);
  height: var(--illustration-size);
  flex-shrink: 0;
}

.maintenance-illustration svg,
.maintenance-illustration img {
  display: block;
  width: 100%;
  height: 100%;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
.maintenance-title {
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-bold);
  color: var(--color-on-surface);
  text-align: center;
}

.maintenance-description,
.maintenance-notice {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  color: var(--color-on-surface-variant);
  text-align: center;
}

/* --------------------------------------------------------------------------
   Separator
   -------------------------------------------------------------------------- */
.maintenance-separator {
  width: 100%;
  border: none;
  border-top: 1px solid var(--color-surface-outline);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.maintenance-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.maintenance-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  width: var(--button-width);
  height: var(--button-height);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height);
  text-align: center;
  white-space: nowrap;
  border: 1px solid;
  border-radius: var(--button-radius);
  background-color: var(--color-surface);
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.maintenance-btn:hover {
  opacity: 0.7;
}

/* Primary (blue outline) */
.maintenance-btn--primary {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* X / Twitter (black outline) */
.maintenance-btn--x {
  color: var(--color-x-text);
  border-color: var(--color-x-border);
}

/* Button icons */
.maintenance-btn__icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.maintenance-btn__icon--chevron {
  width: 12px;
  height: 24px;
}

.maintenance-btn__icon--x-logo {
  width: 16px;
  height: 16px;
}

/* --------------------------------------------------------------------------
   Responsive (mobile)
   Figma: https://www.figma.com/design/VYUZcADzAS3FhDOtP2BOuw/Ci-en-Design?node-id=13521-57369
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Header: 44px, smaller logo, no shadow */
  .maintenance-header {
    height: 44px;
    box-shadow: none;
  }

  .maintenance-header__logo {
    width: 72px;
    height: 23px;
  }

  .maintenance-header__inner {
    padding: 0 var(--spacing-md);
  }

  /* Background: SP design token (Figma SP: #f6f9fc) */
  :root {
    --color-page-background: #f6f9fc;
  }

  /* Content: tighter padding, 80px bottom */
  .maintenance-page {
    padding: var(--spacing-md) var(--spacing-md) 80px;
  }

  /* Buttons: stacked, wider */
  .maintenance-buttons {
    flex-direction: column;
    align-items: center;
  }

  .maintenance-btn {
    width: 240px;
  }
}