/*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css */

/**
 * 1. Set default font family to sans-serif.
 * 2. Prevent iOS and IE text size adjust after device orientation change,
 *    without disabling user zoom.
 */

html {
  font-family: sans-serif; /* 1 */
  -ms-text-size-adjust: 100%; /* 2 */
  -webkit-text-size-adjust: 100%; /* 2 */
}

/**
 * Remove default margin.
 */

body {
  margin: 0;
  height: 95%;
}

/* HTML5 display definitions
   ========================================================================== */

/**
 * Correct `block` display not defined for any HTML5 element in IE 8/9.
 * Correct `block` display not defined for `details` or `summary` in IE 10/11
 * and Firefox.
 * Correct `block` display not defined for `main` in IE 11.
 */

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
menu,
nav,
section,
summary {
  display: block;
}

/**
 * 1. Correct `inline-block` display not defined in IE 8/9.
 * 2. Normalize vertical alignment of `progress` in Chrome, Firefox, and Opera.
 */

audio,
canvas,
progress,
video {
  display: inline-block; /* 1 */
  vertical-align: baseline; /* 2 */
}

/**
 * Prevent modern browsers from displaying `audio` without controls.
 * Remove excess height in iOS 5 devices.
 */

audio:not([controls]) {
  display: none;
  height: 0;
}

/**
 * Address `[hidden]` styling not present in IE 8/9/10.
 * Hide the `template` element in IE 8/9/10/11, Safari, and Firefox < 22.
 */

[hidden],
template {
  display: none;
}

/* Links
   ========================================================================== */

/**
 * Remove the gray background color from active links in IE 10.
 */

a {
  background-color: transparent;
}

/**
 * Improve readability of focused elements when they are also in an
 * active/hover state.
 */

a:active,
a:hover {
  outline: 0;
}

/* Text-level semantics
   ========================================================================== */

/**
 * Address styling not present in IE 8/9/10/11, Safari, and Chrome.
 */

abbr[title] {
  border-bottom: 1px dotted;
}

/**
 * Address style set to `bolder` in Firefox 4+, Safari, and Chrome.
 */

b,
strong {
  font-weight: bold;
}

/**
 * Address styling not present in Safari and Chrome.
 */

dfn {
  font-style: italic;
}

/**
 * Address variable `h1` font-size and margin within `section` and `article`
 * contexts in Firefox 4+, Safari, and Chrome.
 */

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

/**
 * Address styling not present in IE 8/9.
 */

mark {
  background: #ff0;
  color: #000;
}

/**
 * Address inconsistent and variable font size in all browsers.
 */

small {
  font-size: 80%;
}

/**
 * Prevent `sub` and `sup` affecting `line-height` in all browsers.
 */

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

/* Embedded content
   ========================================================================== */

/**
 * Remove border when inside `a` element in IE 8/9/10.
 */

img {
  border: 0;
}

/**
 * Correct overflow not hidden in IE 9/10/11.
 */

svg:not(:root) {
  overflow: hidden;
}

/* Grouping content
   ========================================================================== */

/**
 * Address margin not present in IE 8/9 and Safari.
 */

figure {
  margin: 1em 40px;
}

/**
 * Address differences between Firefox and other browsers.
 */

hr {
  box-sizing: content-box;
  height: 0;
}

/**
 * Contain overflow in all browsers.
 */

pre {
  overflow: auto;
}

/**
 * Address odd `em`-unit font size rendering in all browsers.
 */

code,
kbd,
pre,
samp {
  font-family: monospace, monospace;
  font-size: 1em;
}

/* Forms
   ========================================================================== */

/**
 * Known limitation: by default, Chrome and Safari on OS X allow very limited
 * styling of `select`, unless a `border` property is set.
 */

/**
 * 1. Correct color not being inherited.
 *    Known issue: affects color of disabled elements.
 * 2. Correct font properties not being inherited.
 * 3. Address margins set differently in Firefox 4+, Safari, and Chrome.
 */

button,
input,
optgroup,
select,
textarea {
  color: inherit; /* 1 */
  font: inherit; /* 2 */
  margin: 0; /* 3 */
}

/**
 * Address `overflow` set to `hidden` in IE 8/9/10/11.
 */

button {
  overflow: visible;
}

/**
 * Address inconsistent `text-transform` inheritance for `button` and `select`.
 * All other form control elements do not inherit `text-transform` values.
 * Correct `button` style inheritance in Firefox, IE 8/9/10/11, and Opera.
 * Correct `select` style inheritance in Firefox.
 */

button,
select {
  text-transform: none;
}

/**
 * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
 *    and `video` controls.
 * 2. Correct inability to style clickable `input` types in iOS.
 * 3. Improve usability and consistency of cursor style between image-type
 *    `input` and others.
 */

button,
html input[type="button"], /* 1 */
input[type="reset"],
input[type="submit"] {
  -webkit-appearance: button; /* 2 */
  cursor: pointer; /* 3 */
}

/**
 * Re-set default cursor for disabled elements.
 */

button[disabled],
html input[disabled] {
  cursor: default;
}

/**
 * Remove inner padding and border in Firefox 4+.
 */

button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

/**
 * Address Firefox 4+ setting `line-height` on `input` using `!important` in
 * the UA stylesheet.
 */

input {
  line-height: normal;
}

/**
 * It's recommended that you don't attempt to style these elements.
 * Firefox's implementation doesn't respect box-sizing, padding, or width.
 *
 * 1. Address box sizing set to `content-box` in IE 8/9/10.
 * 2. Remove excess padding in IE 8/9/10.
 */

input[type="checkbox"],
input[type="radio"] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

/**
 * Fix the cursor style for Chrome's increment/decrement buttons. For certain
 * `font-size` values of the `input`, it causes the cursor style of the
 * decrement button to change from `default` to `text`.
 */

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * 1. Address `appearance` set to `searchfield` in Safari and Chrome.
 * 2. Address `box-sizing` set to `border-box` in Safari and Chrome.
 */

input[type="search"] {
  -webkit-appearance: textfield; /* 1 */
  box-sizing: content-box; /* 2 */
}

/**
 * Remove inner padding and search cancel button in Safari and Chrome on OS X.
 * Safari (but not Chrome) clips the cancel button when the search input has
 * padding (and `textfield` appearance).
 */

input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
 * Define consistent border, margin, and padding.
 */

fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}

/**
 * 1. Correct `color` not being inherited in IE 8/9/10/11.
 * 2. Remove padding so people aren't caught out if they zero out fieldsets.
 */

legend {
  border: 0; /* 1 */
  padding: 0; /* 2 */
}

/**
 * Remove default vertical scrollbar in IE 8/9/10/11.
 */

textarea {
  overflow: auto;
}

/**
 * Don't inherit the `font-weight` (applied by a rule above).
 * NOTE: the default cannot safely be changed in Chrome and Safari on OS X.
 */

optgroup {
  font-weight: bold;
}

/* Tables
   ========================================================================== */

/**
 * Remove most spacing between table cells.
 */

table {
  border-collapse: collapse;
  border-spacing: 0;
}

td,
th {
  padding: 0;
}
.button {
  border-radius: 3px;
	border:none;
	display: inline-block;
	text-align: center;
	text-decoration: none;
	line-height: 54px;
	outline: none;
}

.button:before,
.button:after {
	position: absolute;
	z-index: -1;
	display: block;
	content: '';
}

.button,
.button:before,
.button:after {
	box-sizing: border-box;
	transition: all .3s;
}

.button {
	background: white;
	border: 1px solid blue;
	color: blue;
}

.button:hover:not([disabled=""]) {
	background: white;
	border: 1px solid red;
	color: red;
}

.button:active:not([disabled=""]) {
	background: blue;
	border: 1px solid white;
	color: white;
}

.button:disabled {
 border-color:gray;
 color:gray;
}
.flex {
  display: -webkit-flex;
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
}

.flex-col {
  -webkit-flex-flow: column;
      -ms-flex-flow: column;
          flex-flow: column;
}

.flex-row {
  
}
/* common */
@media screen {
  .main-nav {
    background:gray;
  }
  .main-nav .nav-items .item {
    text-decoration:none;
    text-align:left;
    padding:10px;
    color:white;
  }
  .main-nav .nav-items .item:hover {
    color: black;
    background: white;
    cursor: pointer;
  }
}

/* for smart phone */
@media screen and (max-width:960px) {
  .main-nav {
    position:fixed;
    width:100%;
    top: 0;
    left: 0;
  }
  .main-nav .nav-button {
    width: 48px;
    height: 48px;
    border:none;
    background:none;
    display: inline-block;
  }
  .main-nav .nav-button svg {
    vertical-align: middle;
  }

  .nav-display-default {
    display:none;
  }

  .nav-display-toggle {
    display:-webkit-flex;
    display:-ms-flexbox;
    display:-webkit-box;
    display:flex;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
  }      

}

/* for deskctop */
@media screen and (min-width:961px) {
  .main-nav {
    background:gray;
  }
  .nav-button {
    display:none;
  }
  .nav-items .item {
    -ms-flex-preferred-size: 200px;
        -webkit-flex-basis: 200px;
            flex-basis: 200px;
  }
  .nav-display-default {
    display:-webkit-flex;
    display:-ms-flexbox;
    display:-webkit-box;
    display:flex;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
  }
  .nav-display-toggle {
    display:-webkit-flex;
    display:-ms-flexbox;
    display:-webkit-box;
    display:flex;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
  }       

}

@media screen {
* {
  font-family: "Meiryo","HiraKakuProN-W3",sans-serif;
  font-size:16px;
  box-sizing: border-box;
  /*border: 1px dashed gray;*/
}

body {
  /*padding: 20px;*/
  position: relative;
}

canvas#view {
  display: block;
  margin:auto;
}

#panel {
  margin:auto;
  text-align: center;
}

.control {
  box-sizing:border-box;
  font-size:11px;
  margin:2px;
  width:60px;
}

  
}

@media screen and (max-width:960px) {
  body {
    height:100vh;
  }
  .title {
    font-size:40px;
  }
  html {
    width:100%;
    height:100vh;
  }
}

@media screen and (min-width:961px) {
  body {
    /*padding:60px;*/
  }
  .title {
    font-size:40px;
  }
  html {
    /*width:1024px;*/
    width:960px;
    height:100vh;
    margin:auto;
/*    margin-left:auto;
    margin-right:auto;*/
    background: white;
  }
  
  body {
    padding-top:5px;
    box-sizing: border-box;
    width:100%;
    min-height:100vh;
    background: white;
  }
}