:root{
  --text-base:#181826;
  --dark:#282828;
  --navy:#0E256D;
  --blue:#1664C5;
  --lightblue:#C3E0F7;
  --green:#249E67;
  --red:#C31722;
  --light:#FAFAFD;
  --content:990px;
  --font-maru:"Zen Maru Gothic", sans-serif;
  --font-noto:"Noto Sans JP", sans-serif;
}

*{
    margin: 0;
    padding: 0;
    margin-block-start: 0;
    margin-block-end: 0;
  box-sizing:border-box;
}

svg {
  overflow: visible !important;
}

html{
  scroll-behavior:smooth;
  font-size:62.5%;
}

body{
  margin:0;
  background:#fff;
  font-family: var(--font-maru);
  font-weight: 500;
  font-style: normal;
  line-height:1.7;
}

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

.red{
	color:var(--red);
}

.tabbr{
	display:none;
}
.spbr{
	display:none;
}
@media screen and (max-width: 900px) {
	.tabbr{
		display:block;
	}
}
@media screen and (max-width: 500px) {
	.spbr{
		display:block;
	}
	.disp_pc{
		display:none !important;
	}
}

.t_center{
  text-align:center;
}

.btn{
  display:block;
  min-width:18rem;
  width:fit-content;
  padding:1.5rem 3.2rem;
  border:2px solid #B6cc6a;
  border-radius:5rem;
  margin-inline:auto;

  background:linear-gradient(
    to bottom,
    #f1f7d2 0%,
    #d4e483 55%,
    #c3d972 100%
  );

  color:#3a4f16;
  font-size:1.8rem;
  font-weight:700;
  line-height:1.6;
  text-align:center;
  text-decoration:none;

  box-shadow:
    inset 0 2px 3px rgba(255,255,255,.85),
    inset 0 -3px 5px rgba(130,160,60,.35),
    0 2px 5px rgba(0,0,0,.15);

  transition:.2s;
}
.btn:hover{
  background:linear-gradient(
    to bottom,
    #f3f9d6 0%,
    #d9ea8a 35%,
    #c8dc78 100%
  );

  box-shadow:
    inset 0 2px 3px rgba(255,255,255,.9),
    inset 0 -3px 5px rgba(130,160,60,.35),
    0 3px 7px rgba(0,0,0,.18);

  transform:translateY(-1px);
}


/* =========================
   SIDE
========================= */

.side{
  position:fixed;
  top:0;
  bottom:0;
  width:calc((100vw - var(--content)) / 2);
  min-width:120px;
  background-repeat:no-repeat;
  background-size:auto 100%;
  z-index:-1;
  pointer-events:none;
}

.side-l{
  left:0;
  background-image:url("../images/side_d_l_n.png");
  background-position:left top;
}

.side-r{
  right:0;
  background-image:url("../images/side_d_r_n.png");
  background-position:right top;
}


/* =========================
   MAIN
========================= */

.main{
  width:100%;
  max-width:var(--content);
  margin-inline:auto;
  /*background:#fff;*/
  overflow:hidden;
}


/* =========================
   HERO
========================= */

.hero{
  padding:5rem 30px .0;
  text-align:center;
}

.logo{
  width:300px;
  margin-bottom:55px;
}

h1{
  margin:0 auto;
  max-width:650px;
}

.hero-sub{
  color:var(--dark);
  font-size:3.6rem;
  font-weight:700;
  margin:5rem 0;
}

.hero-copy{
  margin:0px auto;
  font-size:2rem;
  line-height:2;
  letter-spacing:-.03em;
}

.deadline{
  position:relative;
  max-width:600px;
  margin:5rem auto 0;
}

/* =========================
   SECTION
========================= */

section{
  padding:5rem 0px 0;
}

section h2{
  margin:0 0 14px;
  text-align:center;
  font-size:4rem;
  font-weight:900;
}

section.idea h2{
  margin:0 0 14px;
  text-align:center;
  font-size:3.6rem;
  font-weight:700;
  color:var(--dark);
}

.idea{
  text-align:center;
}

.chara_row{
  display:flex;
  justify-content:space-between;
  gap:30px;
  margin:40px auto;
  max-width:800px;
}
.chara_row img{
  max-height:120px;
}

.idea .text{
  margin:0 auto 30px;
  font-size:1.8rem;
  line-height:2;
}


/* =========================
   KEYWORDS
========================= */

.keywords{
  display:flex;
  justify-content:space-between;
  gap:8px;
  flex-wrap:wrap;
  max-width: 600px;
  margin:40px auto;
}

.keywords div{
  padding:8px 3px;
  aspect-ratio:1;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  background-repeat:no-repeat;
  background-position:center center;
}
.keywords div:nth-child(1){
  background-image:url("../images/bg_keyword_r.png?20260903");
  background-size:contain;
}
.keywords div:nth-child(2){
  background-image:url("../images/bg_keyword_g.png?20260903");
  background-size:contain;
}
.keywords div:nth-child(3){
  background-image:url("../images/bg_keyword_b.png?20260903");
  background-size:contain;
}

.keywords b{
  font-size:2rem;
  font-family:var(--font-noto);
  -webkit-text-stroke: 3px #ffffff;
  paint-order: stroke;
}

.keywords small{
  font-size:1.4rem;
  line-height:1.4;
  -webkit-text-stroke: 3px #ffffff;
  paint-order: stroke;
}


/* =========================
   PRIZE
========================= */

.prize{
  text-align:center;
  padding-bottom:5rem;
}

.prize-circle img{
  max-width:500px;
}

.present{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-top:30px;
  padding:8px 18px;
  border:10px solid var(--lightblue);
  border-radius:8px;
  text-align:left;
  background:#fff;
}

.present b{
  display:block;
  font-size:3.2rem;
}

.present small{
  display:block;
  font-size:2rem;
}

.prize p{
	font-size:1.4rem;
	margin-top:15px;
}


/* =========================
   APPLICATION
========================= */

.application{
  padding-bottom:5rem;
  border-radius:16px;
  background:var(--light);
}

.application > p{
  margin:-8px 0 25px;
  text-align:center;
  font-size:1.8rem;
}

.apply-box{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
  margin-top:50px;
}

.apply-box article{
  padding:20px;
  border:1px solid #e8e8ed;
  border-radius:16px;
  background:#fff;
}

.apply-box article .apply-ttl{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 0px;
  border-radius:8px;
}

.apply-box article .apply-ttl h3{
  display:block;
  font-size:3.2rem;
}

.apply-box article .apply-ttl p{
  display:block;
  font-size:1.8rem;
}

.apply-box article>p{
  margin:0 0 12px;
  font-size:1.6rem;
  line-height:1.7;
}
/*
.apply-box a{
  display:block;
  padding:10px 8px;
  border-radius:20px;
  background:var(--green);
  color:#fff;
  text-align:center;
  text-decoration:none;
  font-size:1.5rem;
  font-weight:600;
}
*/
.application_2{
  padding:0px 30px;
}

.application_2 .apply-box{
  margin-top:0px;
}

.application_2 .apply-box article{
  padding:0 20px 20px;
}

.application_2 .apply-box article .apply-ttl{
  display:block;
}
.application_2 .apply-box article .apply-ttl h3{
  font-size:2.4rem;
}

/* =========================
   REQUIREMENTS
========================= */

.requirements{
  padding-inline:30px;
}

.require-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:15px 0px;
  margin-top:35px;
  text-align:center;
}

.require-grid>div{
  background:#fff;
  border-radius:16px;
  padding:15px;
}

.require-grid h3{
  margin:8px 0 3px;
  font-size:2rem;
}

.require-grid p{
  margin:0;
  font-size:1.5rem;
  line-height:1.6;
}


/* =========================
   BEFORE
========================= */

.before{
  text-align:center;
  padding-top:35px;
}

.before p{
  font-size:1.6rem;
  line-height:1.8;
  margin-bottom:50px;
}
/*
.btn{
  margin-top:35px;
  display:inline-block;
  padding:10px 40px;
  border-radius:30px;
  background:var(--green);
  color:#fff;
  font-size:2rem;
  text-decoration:none;
}
*/


/* =========================
   MESSAGE
========================= */

.message{
  display:flex;
  justify-content:center;
  padding-top:55px;
}

.message_ring{
  width:100%;
  max-width:759px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:30px;
  aspect-ratio:759 / 730;
  background-repeat:no-repeat;
  background-size:100% 100%;
  background-position:center center;
  background-image:url("../images/circle.png");
  color:var(--navy);
  font-weight:700;
}

.message h2{
  font-size:4rem;
  line-height:1.3;
}

.message p{
  font-size:3.2rem;
}


/* =========================
   CONTACT
========================= */

.contact{
  text-align:center;
  padding-top:55px;
  padding-bottom:45px;
}

.contact h2{
  /*font-size:3.2rem;*/
}

.contact p{
  margin:8px 0;
  font-size:1.6rem;
  line-height:1.8;
}


/* =========================
   FOOTER
========================= */

footer{
  padding:20px;
  text-align:center;
}

footer small{
  color:#777;
  font-size:1.3rem;
}

/* =========================
   FLOAT BG
========================= */
.floating_chars{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  overflow:hidden;
}

.floating_chars img{
  position:absolute;
  width:8rem;
  height:auto;
  opacity:0;
}

.main{
  position:relative;
  z-index:1;
}


/* =========================
   TABLET
========================= */

@media(max-width:1000px){

  .main{
    padding-inline:80px;
  }

  .side{
    width:100px;
    min-width:0;
    background-size:auto 100%;
  }

}


/* =========================
   SMARTPHONE
========================= */

@media(max-width:700px){

  :root{
    --content:100%;
  }

  body{
    min-width:0;
  }

  .side{
    width:50px;
    background-size:auto 50%;
    background-repeat:repeat-y;
    /*display:none;*/
  }

  .main{
    padding-inline:50px;
    overflow:visible;
  }

  .btn{
    padding:1.5rem 1.5rem;
  }

  .hero{
    padding:25px 0px 40px;
  }

  .logo{
    width:200px;
    margin-bottom:45px;
  }

  .h1_1{
    font-size:2.8rem !important;
  }

  .h1_2{
    font-size:6.6rem !important;
  }

  .hero-sub{
    font-size:2.1rem;
    margin:3rem auto;
  }

  .hero-copy{
    font-size:1.5rem;
  }

  .deadline{
    margin-top:3rem;
  }

  section{
    padding:30px 0px;
  }

  section h2{
    font-size:2.1rem;
  }

  section.idea h2{
    margin:0 0 14px;
    font-size:2.1rem;
  }

  .idea .lead{
    font-size:16px;
  }
  .chara_row{
    display:flex;
    justify-content:space-between;
    gap:10px;
    margin:40px auto;
    width: 100%;
  }
  .chara_row img{
    flex: 1;
    min-width:0;
  }

  .idea .text{
    margin:0 auto;
    font-size:1.4rem;
    line-height:1.5;
  }

  .question-img{
    width:85%;
  }

  .keywords{
    gap:20px 20px;
    justify-content:center;
  }

.keywords div:nth-child(1){
  background-image:url("../images/bg_keyword.png");
  background-size:contain;
  transform:translateY(3rem);
}
.keywords div:nth-child(2){
  background-image:url("../images/bg_keyword.png");
  background-size:80% 80%;
  transform:translateY(5rem);
}
.keywords div:nth-child(3){
  background-image:url("../images/bg_keyword.png");
  background-size:90% 90%;
  transform:translateY(0rem);
}
.keywords div:nth-child(4){
  background-image:url("../images/bg_keyword.png");
  background-size:contain;
  transform:translateY(4rem);
}


  .keywords b{
    font-size:1.6rem;
  }

  .keywords small{
    font-size:1.3rem;
  }

  .prize-circle{
    margin-top:40px;
  }

  .present{
    gap:6px;
    padding:4px 4px;
    border:6px solid var(--lightblue);
    width:100%;
  }
  .present img{
    width:60px;
  }

  .present b{
    font-size:2rem;
  }

  .present small{
    font-size:1.4rem;
  }

  .prize p{
    font-size:1.2rem;
  }

  .apply-box{
    grid-template-columns:1fr;
    margin-top:30px;
  }

  .application{
    padding:30px 15px;
  }
  .application h2{
    font-size:2.1rem;
  }
  .application > p{
    margin:0;
    font-size:1.6rem;
  }
  .apply-box article{
    padding:15px;
  }
  .apply-box article .apply-ttl{
    display:flex;
    flex-direction:column;
    justify-content:center;
  }
  .apply-box article .apply-ttl img{
    height:60px;
  }
  .apply-box article .apply-ttl h3{
    font-size:2.1rem;
    text-align:center;
  }

  .apply-box article .apply-ttl p{
    font-size:1.6rem;
    text-align:center;
  }

  .apply-box article>p{
    font-size:1.4rem;
    line-height:1.5;
  }

  .requirements{
    padding-inline:0px;
  }

  .require-grid{
    gap:10px 8px;
  grid-template-columns:repeat(1,1fr);
  }
	.require-grid>div{
	  padding:10px;
	}

	.require-grid h3{
	  margin:3px 0 3px;
	  font-size:1.8rem;
	}

	.require-grid p{
	  font-size:1.4rem;
	  line-height:1.5;
	}


  .before p{
    font-size:1.4rem;
    line-height:1.5;
    margin-bottom:20px;
  }

	.btn{
	  font-size:1.6rem;
	}

  .message{
    padding-top:30px;
    position:relative;
overflow: visible;
  }

  .message_ring{
    gap:5px;
    position:relative;
overflow: visible;
  }

	.message h2{
	  font-size:2rem;
	  line-height:1.2;
  text-shadow:
    -2px -2px 0 #fff,
     0   -2px 0 #fff,
     2px -2px 0 #fff,
    -2px  0   0 #fff,
     2px  0   0 #fff,
    -2px  2px 0 #fff,
     0    2px 0 #fff,
     2px  2px 0 #fff;
	}

	.message p{
	  font-size:1.8rem;
	  line-height:1.2;
  text-shadow:
    -2px -2px 0 #fff,
     0   -2px 0 #fff,
     2px -2px 0 #fff,
    -2px  0   0 #fff,
     2px  0   0 #fff,
    -2px  2px 0 #fff,
     0    2px 0 #fff,
     2px  2px 0 #fff;
	}

  .application_2{
    padding:0px 0px;
  }
	footer{
	  padding:20px 0;
	}
	footer small{
	  font-size:1.1rem;
	}

}