@charset "utf-8";

html,
body,
div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
abbr,
address,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
samp,
small,
strong,
sub,
sup,
var,
b,
i,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
summary,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
}

html,
body {
  min-height: 100%;
}

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

ul,
ol {
  list-style: none;
}

li img,
dt img,
dd img {
  vertical-align: bottom;
}

blockquote,
q {
  quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
  content: none;
}

a {
  margin: 0;
  padding: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparent;
  text-decoration: none;
  color: inherit;
}

a,
a:visited,
a:link {
  text-decoration: none;
}

ins {
  background-color: #ff9;
  color: #000;
  text-decoration: none;
}

mark {
  background-color: #ff9;
  color: #000;
  font-style: italic;
  font-weight: bold;
}

del {
  text-decoration: line-through;
}

abbr[title],
dfn[title] {
  border-bottom: 1px dotted;
  cursor: help;
}

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

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

svg,
input,
select,
textarea,
label {
  vertical-align: middle;
}

img {
  width: 100%;
  border: 0;
  vertical-align: middle;
}

h1,
h2,
h3,
h4,
h5,
h6,
th,
em,
strong {
  font-weight: normal;
}

* {
  -webkit-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}

*,
*:before,
*:after {
  word-break: break-word;
  overflow-wrap: break-word;
  word-wrap: break-word;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

pre {
  white-space: pre-wrap;
}

td {
  word-break: break-word;
}

select,
input[type='text'],
input[type='search'],
input[type='number'],
input[type='url'],
input[type='password'],
input[type='email'],
input[type='tel'],
textarea {
  border-radius: 0;
  outline: 0;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

iframe {
  border: none;
}

.c-body {
  font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN',
    'Hiragino Sans', Meiryo, sans-serif;
  font-size: 18px;
  color: #000;
  line-height: 1.7;
  background-color: #33b0bf;
  background-image: url(../img/background.jpg);
  background-size: 300px;
}

.c-page-layout {
  margin: 0 auto;
  max-width: 980px;
  padding: 25px 30px;
  background-color: #ffffff;
}

.c-header-layout {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.c-header {
  width: 80%
}

.c-page-title {
}

.c-page-title > img {
  width: 100%;
}

.c-navigation-menu {
  display: flex;
  flex-direction: column;
}

.c-navigation-button {
  position: relative;
  width: 40px;
  height: 30px;
}

.c-navigation-button:before {
  content: '';
  position: absolute;
  top: 0;
  width: 100%;
  height: 3px;
  background-color: #6ac1d8;
}

.c-navigation-button:after {
  content: '';
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 3px;
  background-color: #6ac1d8;
}

.c-navigation-button-line {
  position: absolute;
  top: 50%;
  width: 100%;
  height: 3px;
  background-color: #6ac1d8;
  transform: translateY(-50%);
}

.c-navigation-menu-text {
  font-size: 20px;
  font-family: monospace;
}

.c-navigation {
 display: none;
 position: fixed;
 z-index: 1;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
 background-color: #fff;
}

.c-navigation.is-visible {
  display: block;
}

.c-navigation-close-button {
  display: block;
  position: relative;
  padding: 25px;
  margin-left: auto;
  width: 30px;
  height: 30px;
}
 
.c-navigation-close-button::before, 
.c-navigation-close-button::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 3px;
  height: 30px;
  background: #6ac1d8;
}
 
.c-navigation-close-button::before {
  transform: translate(-50%,-50%) rotate(45deg);
}
 
.c-navigation-close-button::after {
  transform: translate(-50%,-50%) rotate(-45deg);
}

.c-navigation-list {
  display: flex;
  flex-direction: column;
}

.c-navigation-list > li {
  flex-grow: 1;
  border-top: 1px solid #ddd;
}

.c-navigation-list > li:last-child {
  border-bottom: 1px solid #ddd;
}

.c-navigation-list > li > a {
  padding: 10px;
  display: block;
}

.key-visual {
  margin-top: 30px;
  height: 450px;
}

.key-visual > img {
  object-fit: cover;
  height: 100%;
}

.main-contents {
  margin-top: 30px;
}

.main-contents-list {
  display: flex;
  align-items: start;
  column-gap: 20px;
}

.main-contents-list > li {
  position: relative;
  padding: 20px;
  width: 50%;
  background-color: #b4e0eb;
  border-radius: 20px;
}

.main-contents-list > li:before {
  content: '';
  position: absolute;
}


.main-contents-list > li:nth-child(1):before {
  top: -30px;
  right: -20px;
  width: 120px;
  height: 100px;
  background-image: url(../img/maincontents-icon-octopus.png);
  background-repeat: no-repeat;
  background-size: contain;
  
}

.main-contents-list > li:nth-child(2):before {
  top: 0;
  left: 10px;
}
.main-contents-list > li + li {
 
}

.content-title {
  font-size: 16px;
  font-weight: bold;
}

.content-items {
  margin-top: 5px;
}

.content-image {
  height: 200px;
}

.content-image > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}


.content-text {
  margin-top: 10px;
}

.c-footer-layout {
  margin: 10px auto 0;
  max-width: 980px;
  padding: 20px 30px;
  background-color: #eee;
}

.c-footer {
}

.c-sns-link-list {
  text-align: center;
}

.c-sns-link-list > li {
  display: inline-block;

}

.c-sns-link-list > .instagram {
  width: 30px;
  height: 30px;
}

.c-sns-link {
  display: block
}

.facebook {
}

.c-address-list {
  font-size: 16px;
}

.c-address-items {
}

.c-address-items + .c-address-items {
  margin-top: 5px;
}

.c-address-items > dt {
  display: inline-block;
  font-weight: bold;
}

.c-address-items > dd {
  display: inline-block;
  margin-left: 5px;
}
.c-copy-light {
  max-width: 500px;
  margin: 0 auto;
  padding-top: 20px;
  font-size: 12px;
  text-align: center;
}


.page-heading {
  font-size: 18px;
  font-weight: bold;
}

.members-list {
  display: flex;
  flex-wrap: wrap;
  margin-top: 10px;
  column-gap: 20px;
  row-gap: 20px;
}

.members-list > li {
  position: relative;
  padding: 20px;
  width: calc((100% - 20px) / 2);
  background-color: #b4e0eb;
  border-radius: 20px;
}

.members-list > li + li {
 
}

.members-list > li:before {
  content: "";
  position: absolute;
  background-repeat: no-repeat;
  background-size: contain;
}

.members-list > li:nth-child(1):before {
  background-image: url(../img/member-list-icon-tsugumi.png);
  top: -10px;
  right: 30px;
  width: 60px;
  height: 60px;
}

.members-list > li:nth-child(2):before {
  background-image: url(../img/member-list-icon-kaeru.png);
  top: -20px;
  right: 30px;
  width: 50px;
  height: 70px;
}

.members-list > li:nth-child(3):before {
  background-image: url(../img/member-list-icon-kuroneko.png);
  top: -20px;
  right: 30px;
  width: 60px;
  height: 70px;
}

.members-list > li:nth-child(4):before {
  background-image: url(../img/member-list-icon-shirokuma.png);
  top: -10px;
  right: 30px;
  width: 40px;
  height: 70px;
}

.members-list > li:nth-child(5):before {
  background-image: url(../img/member-list-icon-kujira.png);
  top: 0px;
  right: 20px;
  width: 110px;
  height: 70px;
}

.event-main-image {
 margin-top: 10px;
}

.event-main-image > img {
 
}

.event-sponsorships {
  border-top: 2px solid #000;
  margin-top: 100px;
  padding-top: 30px;
}

.event-sponsorship + .event-sponsorship {
  margin-top: 30px;
  padding-top: 30px;
  border-top: 2px solid #ddd;
}

.event-sponsorship-title {
  font-size: 20px;
  font-weight: bold;
}

.event-sponsorship-list {
  display: flex;
  column-gap: 10px;
  row-gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.event-sponsorship-list > li {
  width: calc((100% - 20px) / 3);
}