@charset "utf-8";
/* --------------------------------------------------
  共通
-------------------------------------------------- */
.pc_only {
  display: block;
}
@media screen and (max-width: 850px) {
  .pc_only {
    display: none;
  }
}

.tab_only {
  display: none;
}
@media screen and (max-width: 850px) {
  .tab_only {
    display: block;
  }
}

.sp_only {
  display: none;
}
@media screen and (max-width: 767px) {
  .sp_only {
    display: block;
  }
}

body {
  overflow: hidden;
  font-family: "Noto Sans JP", sans-serif;
  letter-spacing: 0.5px;
}
.btn {
  transition: all 0.3s;
}
.btn:hover {
  opacity: 0.6;
}

img {
  width: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  font-style: normal;
  font-weight: 700;
  font-optical-sizing: auto;
  line-height: 1.5;
  color: #363636;
}

p {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  font-optical-sizing: auto;
  line-height: 1.5;
  color: #363636;
}

dt {
  font-weight: 600;
  line-height: 1.5;
}

dd {
  line-height: 1.5;
}

/* --------------------------------------------------
  ベース
-------------------------------------------------- */
/*! destyle.css v4.0.0 | MIT License | https://github.com/nicolas-cusan/destyle.css */
/* Reset box-model and set borders */
/* ============================================ */
*,
::before,
::after {
  box-sizing: border-box;
  border-style: solid;
  border-width: 0;
}

/* Document */
/* ============================================ */
/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in iOS.
 * 3. Remove gray overlay on links for iOS.
 */
html {
  line-height: 1.15;
  /* 1 */
  -webkit-text-size-adjust: 100%;
  /* 2 */
  -webkit-tap-highlight-color: transparent;
  /* 3*/
  font-size: 100%;
  scroll-behavior: smooth;
}

/* Sections */
/* ============================================ */
/**
 * Remove the margin in all browsers.
 */
body {
  margin: 0;
}

/**
 * Render the `main` element consistently in IE.
 */
main {
  display: block;
}

/* Vertical rhythm */
/* ============================================ */
p,
table,
blockquote,
address,
pre,
iframe,
form,
figure,
dl {
  margin: 0;
}

/* Headings */
/* ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
}

/* Lists (enumeration) */
/* ============================================ */
ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Lists (definition) */
/* ============================================ */
/* dt {
  font-weight: bold;
} */
dd {
  margin-left: 0;
}

/* Grouping content */
/* ============================================ */
/**
 * 1. Add the correct box sizing in Firefox.
 * 2. Show the overflow in Edge and IE.
 */
hr {
  box-sizing: content-box;
  /* 1 */
  height: 0;
  /* 1 */
  overflow: visible;
  /* 2 */
  border-top-width: 1px;
  margin: 0;
  clear: both;
  color: inherit;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
pre {
  font-family: monospace, monospace;
  /* 1 */
  font-size: inherit;
  /* 2 */
}

address {
  font-style: inherit;
}

/* Text-level semantics */
/* ============================================ */
/**
 * Remove the gray background on active links in IE 10.
 */
a {
  background-color: transparent;
  text-decoration: none;
  color: inherit;
}

/**
 * 1. Remove the bottom border in Chrome 57-
 * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
 */
abbr[title] {
  -webkit-text-decoration: underline dotted;
          text-decoration: underline dotted;
  /* 2 */
}

/**
 * Add the correct font weight in Chrome, Edge, and Safari.
 */
b,
strong {
  font-weight: bolder;
}

/**
 * 1. Correct the inheritance and scaling of font size in all browsers.
 * 2. Correct the odd `em` font sizing in all browsers.
 */
code,
kbd,
samp {
  font-family: monospace, monospace;
  /* 1 */
  font-size: inherit;
  /* 2 */
}

/**
 * Add the correct font size in all browsers.
 */
small {
  font-size: 80%;
}

/**
 * Prevent `sub` and `sup` elements from affecting the line height in
 * all browsers.
 */
sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

/* Replaced content */
/* ============================================ */
/**
 * Prevent vertical alignment issues.
 */
svg,
img,
embed,
object,
iframe {
  vertical-align: bottom;
}

/* Forms */
/* ============================================ */
/**
 * Reset form fields to make them styleable.
 * 1. Make form elements stylable across systems iOS especially.
 * 2. Inherit text-transform from parent.
 */
button,
input,
optgroup,
select,
textarea {
  -webkit-appearance: none;
  /* 1 */
  -moz-appearance: none;
       appearance: none;
  vertical-align: middle;
  color: inherit;
  font: inherit;
  background: transparent;
  padding: 0;
  margin: 0;
  border-radius: 0;
  text-align: inherit;
  text-transform: inherit;
  /* 2 */
}

/**
 * Correct cursors for clickable elements.
 */
button,
[type=button],
[type=reset],
[type=submit] {
  cursor: pointer;
}

button:disabled,
[type=button]:disabled,
[type=reset]:disabled,
[type=submit]:disabled {
  cursor: default;
}

/**
 * Improve outlines for Firefox and unify style with input elements & buttons.
 */
:-moz-focusring {
  outline: auto;
}

select:disabled {
  opacity: inherit;
}

/**
 * Remove padding
 */
option {
  padding: 0;
}

/**
 * Reset to invisible
 */
fieldset {
  margin: 0;
  padding: 0;
  min-width: 0;
}

legend {
  padding: 0;
}

/**
 * Add the correct vertical alignment in Chrome, Firefox, and Opera.
 */
progress {
  vertical-align: baseline;
}

/**
 * Remove the default vertical scrollbar in IE 10+.
 */
textarea {
  overflow: auto;
}

/**
 * Correct the cursor style of increment and decrement buttons in Chrome.
 */
[type=number]::-webkit-inner-spin-button,
[type=number]::-webkit-outer-spin-button {
  height: auto;
}

/**
 * Correct the outline style in Safari.
 */
[type=search] {
  outline-offset: -2px;
  /* 1 */
}

/**
 * Remove the inner padding in Chrome and Safari on macOS.
 */
[type=search]::-webkit-search-decoration {
  -webkit-appearance: none;
}

/**
 * 1. Correct the inability to style clickable types in iOS and Safari.
 * 2. Fix font inheritance.
 */
::-webkit-file-upload-button {
  -webkit-appearance: button;
  /* 1 */
  font: inherit;
  /* 2 */
}

/**
 * Clickable labels
 */
label[for] {
  cursor: pointer;
}

/* Interactive */
/* ============================================ */
/*
 * Add the correct display in Edge, IE 10+, and Firefox.
 */
details {
  display: block;
}

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

/*
 * Remove outline for editable content.
 */
[contenteditable]:focus {
  outline: auto;
}

/* Tables */
/* ============================================ */
/**
1. Correct table border color inheritance in all Chrome and Safari.
*/
table {
  border-color: inherit;
  /* 1 */
  border-collapse: collapse;
}

caption {
  text-align: left;
}

td,
th {
  vertical-align: top;
  padding: 0;
}

th {
  text-align: left;
}

html {
  height: 100%;
  overflow-y: scroll;
  font-size: 14px;
}

a {
  cursor: pointer;
  outline: none;
}

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



/* common
-----------------------------------------------------------------*/
.inner{
    max-width: 860px;
    padding: 0 50px;
    margin: 0 auto;
}

.bg_white{
    background-color: #fff;
    text-align: center;
    border-radius: 30px;
    box-shadow:
    0 0 0 4px #8ac7ff inset,
    0 0 0 10px #fff ;
}

@media screen and (max-width: 767px) {
    .inner{
        max-width: 90%;
        padding: 0;
        margin: 0 auto;
    }
}

/* pageback
-----------------------------------------------------------------*/
.pageback{
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2;
}

.pageback img{
    width: 80px;
}

/* scroll
-----------------------------------------------------------------*/
.scroll {
    background-color: #65B8FF;
}

.scroll p{
    position: relative;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
}

/* read_wrapper
-----------------------------------------------------------------*/
.read_wrapper{
    background-color: #65B8FF;
    padding: 20px 0 80px;
}

.read_wrapper h2{
    font-size: 20px;
    text-align: center;
    color: #fff; 
    line-height: 1.8;
    position: relative;
}

.read_wrapper h2::before{
    position: absolute;
    content: "";
    background-image: url(../img/icon_cleaner.png);
    background-size: cover;
    top: -90px;
    left: 50%;
    margin-left: -560px;
    width: 160px;
    height: 160px;
}

.read_wrapper h2::after{
    position: absolute;
    content: "";
    background-image: url(../img/icon_burner.png);
    background-size: cover;
    top: -70px;
    right: 50%;
    margin-right: -560px;
    width: 120px;
    height: 120px;
}

.read_wrapper p{
    position: relative;
}

.read_wrapper p img{
    width: 8px;
    margin: 0 auto;
    padding: 30px 0;
    display: block;
}

.read_wrapper p::before{
    position: absolute;
    content: "";
    background-image: url(../img/icon_excavator.png);
    background-size: cover;
    top: 20px;
    left: 50%;
    margin-left: -470px;
    width: 120px;
    height: 120px;
}

.read_wrapper p::after{
    position: absolute;
    content: "";
    background-image: url(../img/icon_plate.png);
    background-size: cover;
    top: -15px;
    right: 50%;
    margin-right: -510px;
    width: 180px;
    height: 180px;
}

@media screen and (max-width: 767px) {
    .read_wrapper{
        padding: 0  0 40px;
    }

    .read_wrapper h2{
        font-size: 16px;
    }

    .read_wrapper h2::before{
        position: absolute;
        content: "";
        background-image: url(../img/icon_cleaner.png);
        background-size: cover;
        top: -130px;
        left: 3%;
        margin-left: 0;
        width: 100px;
        height: 100px;
    }
    
    .read_wrapper h2::after{
        position: absolute;
        content: "";
        background-image: url(../img/icon_burner.png);
        background-size: cover;
        top: -100px;
        right: 5%;
        margin-right: 0;
        width: 70px;
        height: 70px;
    }

    .read_wrapper p img{
        width: 6px; 
        padding: 20px 0 40px;
    }
    
    .read_wrapper p::before{
        position: absolute;
        content: "";
        background-image: url(../img/icon_excavator.png);
        background-size: cover;
        top: 0px;
        left: 10%;
        margin-left: 0;
        width: 70px;
        height: 70px;
    }
    
    .read_wrapper p::after{
        position: absolute;
        content: "";
        background-image: url(../img/icon_plate.png);
        background-size: cover;
        top: 5px;
        right: 5%;
        margin-right: 0;
        width: 100px;
        height: 100px;
    }
}

/* theme_wrapper
-----------------------------------------------------------------*/
.theme_wrapper .title_wrapper{
    position: relative;
}

.theme_wrapper .title_wrapper img{
    position: absolute;
    top: -75px;
    left: 50%;
    transform: translateX(-50%);
    width: 540px;
}

.theme_wrapper .img_wrapper img{
    height: 380px;
    object-fit: cover;
}

.theme_wrapper .text_wrapper{
    background-color: #FFFFBC;
    background-image: repeating-linear-gradient(
    -45deg,
    #BADAD9,
    #BADAD9 1px,
    transparent 2px,
    transparent 50px
  );
  padding: 0 0 50px;
}

.theme_wrapper .text_wrapper .bg_white{
    padding: 30px 30px 40px;
    position: relative;
    top: -50px;
}

.theme_wrapper .text_wrapper h2{
    font-size: 24px;
    line-height: 1.8;
    margin: 15px 0 0;
}

.theme_wrapper .text_wrapper p{
    font-size: 16px;
    line-height: 2;
    margin: 15px 0 0;
}

@media screen and (max-width: 767px) {
    .theme_wrapper .title_wrapper img{
        top: -50px;
        width: 335px;
    }

    .theme_wrapper .text_wrapper .bg_white{
        padding: 30px 10px 40px;
        max-width: 95%;
        margin: 0 auto;
    }

    .theme_wrapper .text_wrapper h2{
        font-size: 16px;
    }
    
    .theme_wrapper .text_wrapper p{
        font-size: 12px;
    }
}

/* favorite_wrapper
-----------------------------------------------------------------*/
.favorite_wrapper .title_wrapper{
    position: relative;
    top: -38px;
    text-align: center;
}

.favorite_wrapper .title_wrapper h2{
    font-size: 24px;
    padding: 20px;
    border-radius: 60px;
    color: #fff;
    margin: 0 auto;
    background-color: #65B8FF;
}

.favorite_wrapper .img_wrapper{
  padding: 0 0 20px;
}

@media screen and (max-width: 767px) {
    .favorite_wrapper .title_wrapper h2{
        font-size: 16px;
    }
}

/* competition_wrapper
-----------------------------------------------------------------*/
.competition_wrapper{
    background-color: #FFFFBC;
    background-image: repeating-linear-gradient(
    -45deg,
    #BADAD9,
    #BADAD9 1px,
    transparent 2px,
    transparent 50px
  );
  padding: 200px 0 200px;
}

.competition_wrapper .prize{
    padding: 90px 50px 50px;
    position: relative;
}

.competition_wrapper .prize::before{
    position: absolute;
    content: "";
    background-image: url(../img/icon_grader_title.png);
    background-size: cover;
    top: -160px;
    left: 50%;
    transform: translateX(-50%);
    width: 320px;
    height: 222px;
}

.competition_wrapper .prize ul li{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0 0 20px;
}

.competition_wrapper .prize ul li h2{
    font-size: 32px;
    color: #fff;
    width: 260px;
    margin: 0 20px 0;
    text-align: center;
}

.competition_wrapper .prize ul li h2.gold{
    background-color: #E2D64A;
}

.competition_wrapper .prize ul li h2.silver{
    background-color: #BFBFBF;
}

.competition_wrapper .prize ul li h2.bronze{
    background-color: #CE906A;
}

.competition_wrapper .prize ul li p{
    font-size: 32px;
    font-weight: 700;
    width: 270px;
    text-align: left;
}


.competition_wrapper .submission{
    margin: 220px 0 0;
    padding: 90px 50px 50px;
    position: relative;
}

.competition_wrapper .submission::before{
    position: absolute;
    content: "";
    background-image: url(../img/icon_adjuster_title.png);
    background-size: cover;
    top: -160px;
    left: 50%;
    transform: translateX(-50%);
    width: 320px;
    height: 222px;
}

.competition_wrapper .submission .title_wrapper h2{
    font-size: 24px;
    text-align: center;
    width: 245px;
    margin: 0 auto;
}

.competition_wrapper .submission .title_wrapper h2 span:after {
    background: radial-gradient(circle farthest-side, #000, #000 40%, transparent 40%, transparent);
    background-size: 30px;
    content: '';
    display: inline-block;
    height: 30px;
    width: 100%;
}

.competition_wrapper .submission ul{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.competition_wrapper .submission ul li{
    width: 48%;
    margin: 40px 0 0;
}

.competition_wrapper .terms{
    margin: 220px 0 0;
    padding: 90px 30px 50px;
    position: relative;
}

.competition_wrapper .terms::before{
    position: absolute;
    content: "";
    background-image: url(../img/icon_plate_title.png);
    background-size: cover;
    top: -160px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 229px;
}

.competition_wrapper .terms h2{
    font-size: 32px;
}

.competition_wrapper .terms p{
    font-size: 16px;
    line-height: 2;
    font-weight: 600;
    margin: 25px 0 0;
}

.competition_wrapper .btn_wrapper{
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin: 60px 0 0;
}

.competition_wrapper .btn_wrapper .btn{
    width: 48%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #65B8FF;
    border-radius: 30px;
    height: 100px;
}

.competition_wrapper .btn_wrapper .btn p{
    font-size: 24px;
    color: #fff;
}

.competition_wrapper .reader{
    margin: 40px auto 0;
    width: 8px;
}

@media screen and (max-width: 767px) {
    .competition_wrapper .prize::before{
        top: -130px;
        width: 250px;
        height: 174px;
    }

     .competition_wrapper .prize{
        padding: 70px 30px 50px;
     }

    .competition_wrapper .prize ul li{
        margin: 0 0 40px;
    }
    
    .competition_wrapper .prize ul li h2{
        font-size: 20px;
        padding: 5px 10px;
        width: auto;
    }
    
    .competition_wrapper .prize ul li p{
        font-size: 28px;
        margin: 10px 0 0;
        width: auto;
        text-align: center;
    }

    .competition_wrapper .submission{
        margin: 200px 0 0;
        padding: 60px 30px 50px;
    }

    .competition_wrapper .submission::before{
        top: -130px;
        width: 250px;
        height: 174px;
    }

    .competition_wrapper .submission .title_wrapper h2{
        font-size: 20px;
        width: 225px;
    }
    
    .competition_wrapper .submission .title_wrapper h2 span:after {
        background: radial-gradient(circle farthest-side, #000, #000 30%, transparent 30%, transparent);
        background-size: 21px;
    }

    .competition_wrapper .submission ul li{
        width: 100%;
        margin: 30px 0 0;
    }
    .competition_wrapper .terms{
        margin: 200px 0 0;
        padding: 70px 30px 50px;
    }

    .competition_wrapper .terms::before{
        top: -130px;
        width: 310px;
        height: 177px;
    }

    .competition_wrapper .terms h2{
        font-size: 20px;
    }
    
    .competition_wrapper .terms p{
        font-size: 12px;
    }

    .competition_wrapper .btn_wrapper{
        margin: 40px 0 0;
    }

    .competition_wrapper .btn_wrapper .btn{
        width: 100%;
        height: 80px;
        margin: 20px 0 0;
    }
}

/* read_wrapper
-----------------------------------------------------------------*/
footer{
    background-color: #fff;
    text-align: center;
}

footer .inner{
    position: relative;
    padding: 0;
    top: -50px;
}

footer .inner::after{
    position: absolute;
    content: "";
    background-color: #fff;
    background-size: cover;
    border-radius: 50%;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 150vw;
    height: 100vw;
}

footer .inner .text_wrapper{
    position: relative;
    z-index: 1;
    top: -50px;
}

footer h2{
    font-size: 32px;
    padding: 0 0 20px;
    border-bottom: 2px solid #333333;
}

footer h3{
    font-size: 16px;
    line-height: 2;
    font-weight: 600;
    margin: 30px 0 0;
}

footer .support{
    margin: 50px 0 0;
}

footer .copyright{
    position: relative;
    z-index: 1;
    font-size: 12px;
}

@media screen and (max-width: 767px) {
    footer h2{
        font-size: 20px;
        padding: 0 0 10px;
    }
    
    footer h3{
        font-size: 12px;
        margin: 20px 0 0;
    }

    footer .support{
        margin: 30px 0 0;
    }

    footer .pageback_sp{
        width: 60px;
        margin: -30px auto 0;
    }

    footer .copyright{
        font-size: 10px;
        margin: 20px 0 0;
    }
}