/*! HTML5 Boilerplate v5.1.0 | MIT License | https://html5boilerplate.com/ */

/*
 * What follows is the result of much research on cross-browser styling.
 * Credit left inline and big thanks to Nicolas Gallagher, Jonathan Neal,
 * Kroc Camen, and the H5BP dev community and team.
 */

/* ==========================================================================
   Base styles: opinionated defaults
   ========================================================================== */

*,
::before,
::after {
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  overflow-x: hidden;
}

body {
  color: #001122;
  font-size: 1.6rem;
  font-family: "Helvetica Neue", Helvetica, Arial, Verdana, Roboto,
    "游ゴシック体", YuGothic, "游ゴシック Medium", "Yu Gothic Medium",
    "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "Meiryo UI", "メイリオ",
    Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-feature-settings: "palt" 1;
  font-feature-settings: "palt" 1;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
}

/*
 * Remove text-shadow in selection highlight:
 * https://twitter.com/miketaylr/status/12228805301
 *
 * These selection rule sets have to be separate.
 * Customize the background color to match your design.
 */

::-moz-selection {
  background: #b3d4fc;
  text-shadow: none;
}

::selection {
  background: #b3d4fc;
  text-shadow: none;
}

/*
 * A better looking default horizontal rule
 */

hr {
  display: block;
  height: 1px;
  border: 0;
  border-top: 1px solid #ccc;
  margin: 1em 0;
  padding: 0;
}

/*
 * Remove the gap between audio, canvas, iframes,
 * images, videos and the bottom of their containers:
 * https://github.com/h5bp/html5-boilerplate/issues/440
 */

audio,
canvas,
iframe,
img,
svg,
video {
  vertical-align: middle;
}

/*
 * Remove default fieldset styles.
 */

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

/*
 * Allow only vertical resizing of textareas.
 */

textarea {
  resize: vertical;
}

/* ==========================================================================
   Browser Upgrade Prompt
   ========================================================================== */

.browserupgrade {
  margin: 0.2em 0;
  background: #ccc;
  color: #000;
  padding: 0.2em 0;
}

/* ==========================================================================
   Author's custom styles
   ========================================================================== */

/* ==========================================================================
   Helper classes
   ========================================================================== */

/*
 * Hide visually and from screen readers:
 */

.hidden {
  display: none !important;
}

/*
 * Hide only visually, but have it available for screen readers:
 * http://snook.ca/archives/html_and_css/hiding-content-for-accessibility
 */

.visuallyhidden {
  border: 0;
  clip: rect(0 0 0 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
}

/*
 * Extends the .visuallyhidden class to allow the element
 * to be focusable when navigated to via the keyboard:
 * https://www.drupal.org/node/897638
 */

.visuallyhidden.focusable:active,
.visuallyhidden.focusable:focus {
  clip: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  position: static;
  width: auto;
}

/*
 * Hide visually and from screen readers, but maintain layout
 */

.invisible {
  visibility: hidden;
}

/*
 * Clearfix: contain floats
 *
 * For modern browsers
 * 1. The space content is one way to avoid an Opera bug when the
 *    `contenteditable` attribute is included anywhere else in the document.
 *    Otherwise it causes space to appear at the top and bottom of elements
 *    that receive the `cf` class.
 * 2. The use of `table` rather than `block` is only necessary if using
 *    `:before` to contain the top-margins of child elements.
 */

.cf:before,
.cf:after {
  content: " "; /* 1 */
  display: table; /* 2 */
}

.cf:after {
  clear: both;
}