/* ------------------------------
   Base
------------------------------ */

html, body {
  height: 100%;
}


body {
  font-family: "Noto Sans JP", sans-serif;
  text-align: center;
  padding: 40px 20px;
  color: #ffffff;
  background-color: #000040;
  background-image: url("../jpg/grad01t.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
}

/* 背景の明るさ対策（強めにして可読性UP） */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.15);
  pointer-events: none;
}

/* コンテンツ幅を制限して読みやすく */
.container {
  max-width: 600px;
  margin: 0 auto;
}

/* ------------------------------
   Titles
------------------------------ */
.subtitle {
  margin-top: -10px;
  color: gold;
}

.section {
  margin-top: 40px;
}

.section h2 {
  font-size: 22px;
  margin-bottom: 15px;
  color: gold;
  letter-spacing: 1px;
}

/* ------------------------------
   Media List
------------------------------ */

.media-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.media-list li {
  margin: 12px 0;
}

/* ------------------------------
   Language List
------------------------------ */

.lang-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lang-list li {
  margin: 12px 0;
}

.lang-list a {
  font-size: 20px;
  text-decoration: none;
  color: #00ffcc;
  display: inline-block;
  padding: 10px 16px;
  border-radius: 6px;
  transition: 0.2s ease;
}

/* ホバーで押せる感を出す */
.lang-list a:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.20);
}

/* ------------------------------
   Deco
------------------------------ */
.yel1   { color:#ffff00; font-weight:bold; }
.green1 { color:#80ff80; font-weight:bold; }


/* ------------------------------
   Link
------------------------------ */
a:link    { color:#00ffff; text-decoration:none; }
a:visited { color:#ffff00; }
a:hover   { color:#0000ff; background-color:#ffffff; }

/* ------------------------------
   Mobile
------------------------------ */
@media (max-width: 600px) {
  body {
    padding: 20px 15px;
    background-attachment: scroll; /* スマホでのカクつき防止 */
  }

  .lang-list a {
    padding: 12px 18px; /* タップしやすく */
    font-size: 22px;
  }
}