@charset "UTF-8";

/*!
 * ress.css • v1.2.2
 * MIT License
 * github.com/filipelinhares/ress
 */

/* # =================================================================
   # Global selectors
   # ================================================================= */

html {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  overflow-y: scroll;
  /* All browsers without overlaying scrollbars */
  -webkit-text-size-adjust: 100%;
  /* iOS 8+ */
}

*,
::before,
::after {
  background-repeat: no-repeat;
  /* Set `background-repeat: no-repeat` to all elements and pseudo elements */
  -webkit-box-sizing: inherit;
  box-sizing: inherit;
}

::before,
::after {
  text-decoration: inherit;
  /* Inherit text-decoration and vertical align to ::before and ::after pseudo elements */
  vertical-align: inherit;
}

* {
  padding: 0;
  /* Reset `padding` and `margin` of all elements */
  margin: 0;
}

/* # =================================================================
     # General elements
     # ================================================================= */

/* Add the correct display in iOS 4-7.*/

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

hr {
  overflow: visible;
  /* Show the overflow in Edge and IE */
}

/*
  * 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,
main,
menu,
nav,
section,
summary {
  display: block;
}

summary {
  display: list-item;
  /* Add the correct display in all browsers */
}

small {
  font-size: 80%;
  /* Set font-size to 80% in `small` elements */
}

[hidden],
template {
  display: none;
  /* Add the correct display in IE */
}

abbr[title] {
  border-bottom: 1px dotted;
  /* Add a bordered underline effect in all browsers */
  text-decoration: none;
  /* Remove text decoration in Firefox 40+ */
}

a {
  background-color: transparent;
  /* Remove the gray background on active links in IE 10 */
  -webkit-text-decoration-skip: objects;
  /* Remove gaps in links underline in iOS 8+ and Safari 8+ */
}

a:active,
a:hover {
  outline-width: 0;
  /* Remove the outline when hovering in all browsers */
}

code,
kbd,
pre,
samp {
  font-family: monospace, monospace;
  /* Specify the font family of code elements */
}

b,
strong {
  font-weight: bolder;
  /* Correct style set to `bold` in Edge 12+, Safari 6.2+, and Chrome 18+ */
}

dfn {
  font-style: italic;
  /* Address styling not present in Safari and Chrome */
}

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

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

/* https://gist.github.com/unruthless/413930 */

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

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

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

input {
  border-radius: 0;
}

/* Apply cursor pointer to button elements */

button,
[type="button"],
[type="reset"],
[type="submit"],
[role="button"] {
  cursor: pointer;
}

/* Replace pointer cursor in disabled elements */

[disabled] {
  cursor: default;
}

[type="number"] {
  width: auto;
  /* Firefox 36+ */
}

[type="search"] {
  -webkit-appearance: textfield;
  /* Safari 8+ */
}

[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
  /* Safari 8 */
}

textarea {
  overflow: auto;
  /* Internet Explorer 11+ */
  resize: vertical;
  /* Specify textarea resizability */
}

button,
input,
optgroup,
select,
textarea {
  font: inherit;
  /* Specify font inheritance of form elements */
}

optgroup {
  font-weight: bold;
  /* Restore the font weight unset by the previous rule. */
}

button {
  overflow: visible;
  /* Address `overflow` set to `hidden` in IE 8/9/10/11 */
}

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

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: 0;
  padding: 0;
}

/* Replace focus style removed in the border reset above */

button:-moz-focusring,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  outline: 1px dotted ButtonText;
}

button,
html [type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
  /* Correct the inability to style clickable types in iOS */
}

button,
select {
  text-transform: none;
  /* Firefox 40+, Internet Explorer 11- */
}

/* Remove the default button styling in all browsers */

button,
input,
select,
textarea {
  background-color: transparent;
  border-style: none;
  color: inherit;
}

/* Style select like a standard input */

select {
  -moz-appearance: none;
  /* Firefox 36+ */
  -webkit-appearance: none;
  /* Chrome 41+ */
}

select::-ms-expand {
  display: none;
  /* Internet Explorer 11+ */
}

select::-ms-value {
  color: currentColor;
  /* Internet Explorer 11+ */
}

legend {
  border: 0;
  /* Correct `color` not being inherited in IE 8/9/10/11 */
  color: inherit;
  /* Correct the color inheritance from `fieldset` elements in IE */
  display: table;
  /* Correct the text wrapping in Edge and IE */
  max-width: 100%;
  /* Correct the text wrapping in Edge and IE */
  white-space: normal;
  /* Correct the text wrapping in Edge and IE */
}

::-webkit-file-upload-button {
  -webkit-appearance: button;
  /* Correct the inability to style clickable types in iOS and Safari */
  font: inherit;
  /* Change font properties to `inherit` in Chrome and Safari */
}

[type="search"] {
  -webkit-appearance: textfield;
  /* Correct the odd appearance in Chrome and Safari */
  outline-offset: -2px;
  /* Correct the outline style in Safari */
}

/* # =================================================================
     # Specify media element style
     # ================================================================= */

img {
  border-style: none;
  /* Remove border when inside `a` element in IE 8/9/10 */
}

/* Add the correct vertical alignment in Chrome, Firefox, and Opera */

progress {
  vertical-align: baseline;
}

svg:not(:root) {
  overflow: hidden;
  /* Internet Explorer 11- */
}

audio,
canvas,
progress,
video {
  display: inline-block;
  /* Internet Explorer 11+, Windows Phone 8.1+ */
}

/* # =================================================================
     # Accessibility
     # ================================================================= */

/* Hide content from screens but not screenreaders */

/* Specify the progress cursor of updating elements */

[aria-busy="true"] {
  cursor: progress;
}

/* Specify the pointer cursor of trigger elements */

[aria-controls] {
  cursor: pointer;
}

/* Specify the unstyled cursor of disabled, not-editable, or otherwise inoperable elements */

[aria-disabled] {
  cursor: default;
}

/* # =================================================================
     # Selection
     # ================================================================= */

/* Specify text selection background color and omit drop shadow */

::selection {
  background-color: #b3d4fc;
  /* Required when declaring ::selection */
  color: #000;
  text-shadow: none;
}

.pc {
  display: none;
}

html {
  font-size: 62.5%;
  line-height: 1;
  font-family: "游ゴシック体", YuGothic, "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック", "Yu Gothic", "Hiragino Kaku Gothic ProN", "Hiragino Kaku Gothic Pro", Meiryo, sans-serif;
}

body {
  width: 100%;
  font-size: 1.6rem;
}

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

a {
  text-decoration: none;
}

ul {
  list-style: none;
}

/*!
 * jquery-drawer v3.2.2
 * Flexible drawer menu using jQuery, iScroll and CSS.
 * http://git.blivesta.com/drawer
 * License : MIT
 * Author : blivesta <design@blivesta.com> (http://blivesta.com/)
 */

/*!------------------------------------*\
    Base
\*!------------------------------------*/






.mv {
  background:  url('../img/bg_main.jpg') no-repeat center;
  background-size: cover;
  position: relative;
  padding: 10% 0;
  text-align: center;
}

.mv .logo {
  width: 50%;
  margin-left: -3%;
}

.mv .heading {
  width: 90%;
  margin: 0 auto;
}

.mv p {
  color: #fff;
}

.mv p.main_title {
  font-size: 4rem;
  padding-top: 35px;
}

.mv p.sub_title {
  font-size: 1.8rem;
  padding-top: 25px;
  letter-spacing: 2px;
  line-height: 22px;
  font-family: "Hira Kaku Pro";
}

.mv .heading .img {
  display: block;
}

.mv .link p{
    color: #fff;
    margin: 30px auto 0;
    padding: 15px 20px;
    border: solid 1px #fff;
    width: 400px;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }
  .mv .link p:hover{
    opacity: 0.7;
  }

section.about {
  width: 720px;
  margin: 0 auto;
  padding: 30px 0;
}

section.about .about_heading {
  font-size: 3rem;
  text-transform: uppercase;
}

section.about .heading_bottom {
  letter-spacing: 0.03em;
  font-weight: bold;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

section.about .about {
  letter-spacing: 0.03em;
  margin-bottom: 1.5em;
}

section.about .about .head {
  font-size: 1.6rem;
  font-family: "Hira Kaku Pro";
}

section.about .about .con {
  line-height: 2.1;
  font-size: 1.2rem;
  margin-bottom: 2em;
}

section.about .about .sub_head {
  font-size: 1.8rem;
  font-family: "Hira Kaku Pro";
}

section.about .speaker_img {
  text-align: center;
  margin: 0 auto 2em;
  max-width: 100%;
}

.speaker_list {
  letter-spacing: -.4em;
  font-size: 0;
}

.speaker_list li {
  width: 140px;
  display: inline-block;
  position: relative;
}

.speaker_list li p {
  width: 100%;
  padding: 5px;
  color: #fff;
  font-size: 1.2rem;
  letter-spacing: 0;
  background: rgba(0,0,0,0.5);
  position: absolute;
  bottom: 0;
}

.iframe_wrap {
  text-align: center;
  padding: 70px 0 90px;
}
.iframe_wrap iframe{
  width: 640px;
}

.footer .upper {
  background: #f6f6f6;
  position: relative;
  padding: 25px 5% 40px;
}

.footer .lists {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  margin: 0 auto;
}

.footer .list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.footer .list:not(:last-child) {
  margin: 0 auto 20px;
}

.footer .link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.footer .head {
  color: #333;
}

.footer .head.spacer {
  margin-bottom: 20px;
}

.footer .pagetop {
  position: absolute;
  bottom: 0;
  left: 50%;
  -webkit-transform: translate(-50%, 50%) rotate(45deg);
  transform: translate(-50%, 50%) rotate(45deg);
  background: black;
  outline: none;
  width: 30px;
  height: 30px;
}

.footer .pagetop:after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%) rotate(-90deg);
  transform: translate(-50%, -50%) rotate(-90deg);
  border-top: 2px solid white;
  border-right: 2px solid white;
  width: 5px;
  height: 5px;
}

.footer .lower {
  background: white;
  padding: 35px 0 10px;
}

.footer .copy {
  text-align: center;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: #333;
}

@media only screen and (min-width: 769px) {
  .pc {
    display: block;
  }

  .sp {
    display: none;
  }

  body {
    min-width: 1120px;
  }

  .mv {
    padding: 5% 0;
    background-size: cover;
    min-height: 540px;
  }

  .mv .logo {
    width: auto;
    margin-left: 0;
  }

  .mv .heading {
    width: auto;
    -webkit-transform: translateY(-20px);
    transform: translateY(-20px);
  }

  .message {
    padding: 78px 0 74px;
  }

  section.about.active {
    width: 80%;
    padding: 40px 60px 0px;
  }

  section.about .about_heading {
    font-size: 6rem;
  }

  section.about .heading_bottom {
    font-size: 1.7rem;
    margin-bottom: 40px;
  }

  section.about .about {
    margin-bottom: 2em;
  }

  section.about .about .head {
    font-size: 2.2rem;
  }

  section.about .about .con {
    font-size: 1.4rem;
  }

  section.about .about .sub_head {
    font-size: 1.8rem;
  }

  section.about .speaker_img {
    text-align: center;
    margin: 0 auto 2em;
    width: 560px;
    max-width: 100%;
  }

  .speaker_list li {
    display: inline-block;
  }

  .footer .upper {
    padding: 35px 0 58px;
  }

  .footer .list {
    display: block;
  }

  .footer .list:not(:last-child) {
    margin: 0 auto 34p;
  }

  .footer .head {
    font-size: 1.5rem;
    margin-bottom: 3px;
  }

  .footer .pagetop {
    width: 50px;
    height: 50px;
    -webkit-transition: all 0.5s ease;
    transition: all 0.5s ease;
  }

  .footer .pagetop:hover {
    background: white;
    border: 1px solid #eee;
    -webkit-transform: translate(-50%, 40%) rotate(765deg);
    transform: translate(-50%, 40%) rotate(765deg);
  }

  .footer .pagetop:hover:after {
    border-color: black;
  }

  .footer .pagetop:after {
    width: 10px;
    height: 10px;
  }

  .footer .lower {
    padding: 63px 0 35px;
  }

  .footer .copy {
    font-size: 1.3rem;
  }
}
@media only screen and (max-width: 768px) {
  section.about {
    width: 100%;
    padding: 3%;
  }
  .speaker_list li {
    width: 50%;
  }
  .speaker_list li img {
    width: 100%;
  }
  section.about .about .con {
    margin-bottom: 1em;
  }
  .mv .link p{
    width: 80%;
  }
  .iframe_wrap iframe{
    width: 100%;
  }
}

@media screen {
  [hidden~="screen"] {
    display: inherit;
  }

  [hidden~="screen"]:not(:active):not(:focus):not(:target) {
    position: absolute !important;
    clip: rect(0 0 0 0) !important;
  }
}

.sponsor{
    background: #e8e7e7;
    padding: 50px 0 60px;
    /*padding: 8% 3% 10%;*/
}
.sponsor .inner{
      width: 720px;
      margin: 0 auto;
}
.sponsor h2{
  font-family: oswald, sans-serif;
  font-weight: 600;
  font-style: normal;
  text-align: center;
  letter-spacing: 0.02em;
  font-size: 6rem;
  color: white;
}
.sponsor  #sponsor_list {
    background: white;
    position: relative;
    z-index: 0;
    margin-top: -5px;
    padding: 6% 4% 8%;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}
.sponsor  #sponsor_list li{
  width: 25%;
}
.sponsor  #sponsor_list li img{
  width: 100%;
}
@media only screen and (max-width: 768px) {
  .sponsor{
      background: #e8e7e7;
      padding: 8% 0 10%;
    }
    .sponsor .inner{
      width: auto;
      padding: 0 4%;
    }
    .sponsor h2{
      font-size: 2.6rem;
      /*text-align: left;*/
    }
    .sponsor  #sponsor_list {
      margin-top: -3px;
    }
    .sponsor  #sponsor_list li{
      width: calc(100%/ 3);
    }

}