/* フォントとか */

@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded');

@font-face {
  font-family: "soukou-mincho";
  src: url("https://91ee7f88.fonts-d9k.pages.dev/soukou-mincho.woff2?v=1")
       format("woff2");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "hannari-mincho";
  src: url("https://91ee7f88.fonts-d9k.pages.dev/hannari-mincho.woff2?v=2")
       format("woff2");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* 全体の設定 */

*{
  font-family: "hannari-mincho", sans-serif;
  font-size: 10px;
}

body{
  background-color: #0F1420;
}

a {
  text-decoration: none;
  color: #63AED8;
}

a,a:visited{
    color: #7486F9;
}

hr{
  border: 0;
  border-top: none;
}

textarea{
  border: 0;
  border-top: none;
}


/* 色 */

blue {
    color: #326d40;
}


/* 説明とか */


/* 本文とか */

.main {
  width: 80%; 
  padding: 28px;
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  margin: 0 auto;
}

/* 文字をグラデで塗る */
.main p {
  --c1: #7E7E7E;
  --c2: #EAEAEA;
  background: linear-gradient(-45deg, var(--c1), var(--c2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.main .sub {
  font-size: 15px;
  display: block;
  text-align: center;
}

/* テーマ（色だけ） */
.main p.blue {
  --c1: #2C68F5;
  --c2: #83A0E4;
}

.main p.red {
  --c1: #f89b29;
  --c2: #ff0f7b;
}

.main p.green {
  --c1: #4AEC7B;
  --c2: #9EF4A3;
}

.main p.purple {
  --c1: #DB4DFF;
  --c2: #EE8FFF;
}


/* 説明とか */

.info {
  width: 80%; 
  padding: 28px;
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  margin: 0 auto;
  background: linear-gradient(-45deg, #7A72AC, #EBF0F5);
  color: #1B1E23;
}

.info .sub {
  font-size: 13px;
}

.info a {
  color: #1B1E23;
}


/* タイトル */

.card {
  margin: 30px auto;
  background: transparent;
  box-shadow: 0px 8px 28px -9px rgba(0,0,0,0.45);
  position: relative;
  width: 240px;
  height: 240px;
  border-radius: 16px;
  overflow: hidden;
}


/* 波：見た目はそのまま。クリックは通す。背面に固定 */

.wave {
  position: absolute;
  width: 540px;
  height: 700px;
  opacity: 0.6;
  left: 0;
  top: 0;
  margin-left: -50%;
  margin-top: -70%;
  background: linear-gradient(744deg,#7A72AC,#6D5ADF 60%,#EBF0F5);

  border-radius: 40%;
  animation: wave 55s infinite linear;

  pointer-events: none;
  z-index: 0;
}


/* playing のときは animation を丸ごと指定（引用元の形） */

.playing .wave {
  animation: wave 3000ms infinite linear;
}

.playing .wave:nth-child(2) {
  animation: wave 4000ms infinite linear;
}

.playing .wave:nth-child(3) {
  animation: wave 5000ms infinite linear;
}


/* 2枚目3枚目の位置 */

.wave:nth-child(2),
.wave:nth-child(3) {
  top: 210px;
}


/* テキストは前面に */

.infotop {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  text-align: center;
  color: #1B1E23;
  z-index: 1;
}


@keyframes wave {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.icon-center {
  font-size: 20px;
  color: #fff;
  line-height: 1;
  margin-bottom: 6px;
  opacity: 0.9;
}

.material-symbols-rounded {
  font-family: 'Material Symbols Rounded';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  display: inline-block;
  text-transform: none;
  letter-spacing: normal;
  white-space: nowrap;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  font-variation-settings:
    'FILL' 0,
    'wght' 400,
    'GRAD' 0,
    'opsz' 24;
}

.material-symbols-rounded.icon-center {
  font-size: 55px;
}

.material-symbols-rounded.one-word {
  font-size: 36px;
}

.title a {
  font-family: "soukou-mincho", serif;
  font-size: 36px;
  color: #1B1E23;
}


