@charset "UTF-8";
/* リセット */
body,
div,
header,
nav,
main,
footer,
section,
article,
p,
pre,
h1,
h2,
h3,
h4,
ul,
li,
img {
  margin: 0;
  padding: 0;
}

body {
  word-wrap: break-word;
}

h1,
h2,
h3,
h4 {
  font-size: 100%;
}

a {
  text-decoration: none;
  color: #000;
  text-decoration: none;
}

/* 色 */
/* 構造 */
body {
  display: flex;
  flex-direction: column;
  height: 100vh;
  text-align: center;
}
body header {
  flex-shrink: 0;
}
body main {
  flex: 1;
}
body footer {
  flex-shrink: 0;
}

main {
  display: flex;
  justify-content: center;
  margin: -120px 0 0;
  padding: 50px 0 80px;
}
main #left_div,
main #right_div {
  flex-basis: 200px;
  min-width: 200px;
  margin: 0 0 -80px;
  padding: 80px 0 90px;
}
main #contents {
  flex-basis: auto;
  min-width: 840px;
  gap: 1em 1em;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0 0 -80px;
  padding: 80px 0 90px;
}
main #contents section {
  display: flex;
  flex-direction: column;
  width: 18em;
  min-width: 18em;
  min-height: 11em;
}

/* 装飾 */
.dela-gothic-one-regular {
  font-family: "Dela Gothic One", serif;
  font-weight: 400;
  font-style: normal;
}

.hachi-maru-pop-regular {
  font-family: "Hachi Maru Pop", serif;
  font-weight: 700;
  font-style: normal;
}

/* 装飾エフェクト */
header {
  z-index: 1;
  overflow: hidden;
  height: 160px;
}
header div {
  margin: -5px 0 0 -5px;
  width: 105%;
  min-width: 800px;
  height: 100%;
  transform-origin: left bottom;
  rotate: -2deg;
  background-color: #efe;
  border-bottom: 3px solid rgba(0, 0, 0, 0.8);
  box-shadow: 0 0 10px #000;
  display: flex;
  justify-content: center;
  position: relative;
  transform-style: preserve-3d;
  perspective: 200px;
}
header div::before {
  content: "";
  position: absolute;
  top: -80%;
  left: 0;
  width: 100%;
  height: 181%;
  background: radial-gradient(closest-corner at 50% 41%, #232961, #f8e4c5 32%, #834520 78%, #523a28);
}
header div h1 {
  text-shadow: 0 0 7px rgba(0, 0, 0, 0.27);
  width: 800px;
  height: 160px;
  line-height: 190px;
  font-size: 100px;
  -webkit-text-stroke: 1px rgba(0, 0, 0, 0.7);
  text-stroke: 1px rgba(0, 0, 0, 0.7);
  paint-order: stroke;
  transform-origin: top;
  transform: rotateX(20deg);
  background-image: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 800 108" preserveAspectRatio="none"><defs><radialGradient id="RG1" cx="0.5" cy="0.2" r="0.65"><stop offset="37%" stop-color="yellow" /><stop offset="72%" stop-color="red" stop-opacity="0.5" /><stop offset="100%" stop-color="black"/></radialGradient><linearGradient id="LG1" x1="0" x2="0" y1="0" y2="1"><stop offset="0%" stop-color="black" stop-opacity="0.3" /><stop offset="100%" stop-color="orange" stop-opacity="0.6" /></linearGradient></defs><rect x="0" y="0" width="800" height="105" fill="url(%23RG1)" /><path id="path_t1" fill="url(%23LG1)" d="M 0 100 L 52 56 Q 132 99 167 71 Q 258 110 368 81 Q 423 103 540 81 Q 619 104 730 62 L 794 120 L 5 118 Z "/></svg>');
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}

main {
  background-color: rgb(84, 84, 84);
}
main #contents {
  background-color: rgb(64, 111, 118);
}
main #contents section {
  margin: 5px;
  padding: 3px;
  text-align: left;
  cursor: pointer;
  border: 1px solid rgb(0, 153, 255);
  box-shadow: 0 0 3px 2px rgba(0, 153, 255, 0.3), inset 0 0 3px 2px rgba(0, 153, 255, 0.3);
}
main #contents section:hover {
  background-color: rgba(255, 255, 255, 0.3);
}
main #contents section h3 {
  text-align: center;
  font-size: 20px;
  font-weight: 300;
  color: rgb(0, 153, 255);
  text-shadow: 1px 1px 5px rgb(0, 153, 255);
  border: 1px solid rgb(0, 153, 255);
  border-radius: 5px;
  box-shadow: 0 0 3px 2px rgba(0, 153, 255, 0.3), inset 0 0 3px 2px rgba(0, 153, 255, 0.3);
}
main #left_div {
  background-image: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100% 200" preserveAspectRatio="none"><defs><radialGradient id="RG2" cx="0.5" cy="0.5" r="0.5"><stop offset="20%" stop-color="rgba(155,255,255,220)" /><stop offset="100%" stop-color="white" stop-opacity="0" /></radialGradient><linearGradient id="LG2" x1="0" x2="0" y1="0" y2="1"><stop offset="10%" stop-color="black" /><stop offset="30%" stop-color="rgba(0, 60, 255, 0.8)" /><stop offset="50%" stop-color="rgba(112, 229, 255, 0.5)" /><stop offset="55%" stop-color="rgb(184, 242, 255)" /><stop offset="85%" stop-color="rgb(145, 222, 255)" /><stop offset="100%" stop-color="white" /></linearGradient></defs><rect x="0" y="0" width="200" height="100%" fill="url(%23LG2)" /><ellipse fill="url(%23RG2)" cx="50" cy="90%" rx="150" ry="20" /></svg>');
  border-left: 1px solid #406a74;
  border-right: 1px solid #406a74;
  box-shadow: inset 0 0 12px #000;
}
main #right_div {
  background: linear-gradient(to bottom, #000 10%, rgba(0, 60, 255, 0.8) 30%, rgba(112, 229, 255, 0.5) 50%, rgb(184, 242, 255) 55%, rgb(145, 222, 255) 85%, #fff 100%);
  border-left: 1px solid #406a74;
  border-right: 1px solid #406a74;
  box-shadow: inset 0 0 12px #000;
}

footer {
  margin-top: -150px;
  height: 150px;
  display: flex;
  justify-content: center;
  filter: drop-shadow(0 0 4px #000000);
}
footer div {
  width: 500px;
  height: 150px;
  background-color: #000000;
  -webkit-clip-path: path("M 0 150 C 75 150 200 100 75 100 C 325 50 375 150 500 150 ");
          clip-path: path("M 0 150 C 75 150 200 100 75 100 C 325 50 375 150 500 150 ");
  display: flex;
  flex-direction: column;
  text-align: center;
  margin: 0 auto;
}
footer div p {
  margin-top: auto;
  font-size: 20px;
  color: rgba(255, 255, 255, 0.6);
  text-shadow: 0 0 6px rgb(114, 206, 209);
  padding-bottom: 15px;
}