body {
  background-color: #f8f8f8;
  color: #0f0f0f;
  font-family: "メイリオ", Meiryo, "ヒラギノ丸ゴ ProN", "Hiragino Maru Gothic ProN", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", sans-serif;
  margin: 0;
  padding: 0;
}

.headtitle {
  text-align: center;
  padding: 3rem 1rem 2rem;
  background-color: #ffffff;
  border-bottom: 1px solid #dddddd;
}

.title-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 800px;
  width: 100%;
}

.title-text {
  display: flex;
  flex-direction: column;
}

.maintitle {
  font-size: 2rem;
  color: #222;
  font-family: "Hina Mincho", serif;
  /*font-family: 'Georgia', 'Times New Roman', serif;*/
  letter-spacing: 0.2em;
  margin-bottom: 0.3rem;
  position: relative;
}

.maintitle::after {
  content: "";
  display: block;
  width: 60px;
  height: 2px;
  background-color: #5a7f99;
  margin: 0.5rem auto 0;
}

.mainguide .categorydescription {
  color: #555;
  font-size: 0.9rem;
  max-width: 600px;
  margin: 0 auto;
}

.emblem {
  width: 60px;
  height: auto;
  margin-bottom: -1rem;
  filter: drop-shadow(1px 1px 2px rgba(0, 0, 0, 0.1));
}

/* 全体に左右の余白をつける */
.mainarea {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); /* ← ここで画像サイズ調整 */
  gap: 1.5rem;
  padding: 2rem clamp(1rem, 5vw, 3rem); /* ← レスポンシブな左右余白 */
}

.onelogbox {
  position: relative;
  background-color: #ffffff;
  border: 1px solid #dddddd;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease-in-out;
}

.onelogbox:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.imagebox {
  position: relative;
  margin: 0;
}

.imagebox img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.onelogtext {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  background-color: rgba(255, 255, 255, 0.85);
  color: #333333;
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
  border-radius: 4px;
  pointer-events: none;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.15);
}

.arrowlink {
  color: #5a7f99;
  text-decoration: underline;
  margin-left: 0.2rem;
}

.arrowlink:hover {
  color: #3b5a70;
}

footer {
  background-color: #ffffff;
  color: #777777;
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
  border-top: 1px solid #dddddd;
}

footer a {
  color: #5a7f99;
  text-decoration: underline;
}

footer a:hover {
  color: #3b5a70;
}


/* --- 個別ページ用レイアウト調整 --- */
body.onelog .mainarea.item {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem 1rem;
  display: block;
}

/* 作品タイトル */
b.decorationB {
  font-family: "Hina Mincho", serif;
  font-size: 1.8rem;
  letter-spacing: 0.2em;
  color: #222;
}

/* 1枚目の画像 */
body.onelog .decorationB .embeddedimage {
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  margin-bottom: 0.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* 2枚目以降の画像を小さなサムネイルとして並べる */
body.onelog .decorationI .embeddedimage {
  width: 80px;
  height: 80px;
  object-fit: cover;
  margin: 0.5rem;
  border-radius: 6px;
  vertical-align: top;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  display: inline-block;
}

/* サムネイル画像の並びを制御 */
body.onelog .decorationI .embeddedimage::after {
  content: "";
  display: inline-block;
}

body.onelog .itemcomment {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

/* dl装飾 */
body.onelog dl.decorationL {
  background-color: #f2f2f2;
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  line-height: 1.6;
}

body.onelog dl.decorationL dt {
  font-weight: bold;
  color: #444;
  margin-top: 0.5rem;
}

body.onelog dl.decorationL dd {
  margin-left: 1em;
  margin-bottom: 0.5rem;
}