/* 基本スタイル */
:root {
    --base-color: #E5F1F1;
    --main-color: #D62547;
    --accent-color: #FFFE00;
}

body {
    font-family: sans-serif;
    margin: 0;
    background-color: var(--base-color);
    color: #333;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

main, footer, .content-menu {
    padding: 1rem;
}

.title {
    font-size: 1.2rem;
    margin: 2rem 0 1rem; /* 上に余白を追加 */
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--main-color);
}

/* header */
header {
    height: 35px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    background-color: #fff;
}

header .logo img {
    height: 25px;
}

header .nav-menu {
    display: flex;
    gap: 15px;
}

/* sub */
.sub {
    overflow: hidden;
    background-color: #fff;
    padding: 10px 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
}

.sub .slider-list {
    display: flex;
}

.sub .slider-list li {
    margin-right: 10px;
    white-space: nowrap;
}
.sub .slider-list li img{
width:100%;
}
.sub .slider-list p {
    margin: 5px 0 0;
    font-size: 0.8rem;
}

.sub .slider-list {
    /* 元のリストの2倍の要素を複製して無限スクロールを実現 */
    display: flex;
    width: calc(200px * 5); /* liの幅 * liの数 (元の要素数) */
    animation: slider 40s linear infinite;
    margin-bottom: 20px; /* スライダーの下に余白 */
}

.sub .slider-list:hover {
    animation-play-state: paused; /* ホバーで停止 */
}

@keyframes slider {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-100%); /* 複製された要素の終わりまで移動 */
    }
}

.sub-register,
.sub-bana {
    display: block;
    margin: 10px 1rem; /* 左右に余白を追加 */
}

.sub-register img,
.sub-bana img {
    width: 100%;
}

.sub-notice {
    display: flex; /* Flexコンテナに設定 */
    justify-content: space-between; /* テキストとiタグを左右に配置 */
    align-items: center; /* 垂直方向中央揃え */
    padding: 10px;
    /* text-align: center; */ /* Flexboxを使うので不要 */
    background: #f0f0f0; /* 少し暗めの背景色 */
    color: #555; /* 文字色を調整 */
    border: 1px solid #ccc; /* 細いボーダー */
    border-radius: 5px; /* 角を丸く */
    margin: 10px 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* 影を追加 */
    transition: background-color 0.3s ease;
}

.sub-notice:hover {
    background-color: #e0e0e0;
}

/* 各コンテンツセクションのli要素にアニメーションを設定 */
.content-free li,
.content-recommend li,
.content-ranking li,
.content-jenre li,
.content-menu li {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.content-free li.fade-in,
.content-recommend li.fade-in,
.content-ranking li.fade-in,
.content-jenre li.fade-in,
.content-menu li.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* content-free */
.manga-list-free {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 15px;
}

.manga-list-free img {
    width: 100%; /* liの横幅100%に変更 */
}

.manga-list-free h3 {
    font-size: 1rem;
    margin: 0.5rem 0;
}

.manga-list-free p {
    font-size: 0.8rem;
    margin: 0 0 0.5rem;
}

.manga-list-free span {
    display: block;
    background-color: var(--main-color);
    color: #fff;
    padding: 8px;
    border-radius: 5px;
    text-align: center;
    font-weight: bold;
}

/* content-recommend */
.manga-list-recommend {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px 15px;
}

.manga-list-recommend h3 {
    font-size: 0.9rem;
    margin: 0.5rem 0;
}

.manga-list-recommend p {
    font-size: 0.7rem;
    margin: 0 0 0.5rem;
}

.manga-list-recommend span {
    display: block;
    background-color: var(--accent-color);
    color: #333;
    padding: 8px;
    border-radius: 5px;
    text-align: center;
    font-weight: bold;
}

/* content-ranking */
.manga-list-ranking li {
    display: flex;
    gap: 15px;
    margin-bottom: 1rem;
    align-items: flex-start;
    background-color: #fff; /* 背景色を白に設定 */
    padding: 10px; /* 余白を追加 */
    border-radius: 5px; /* 角を丸く */
    position: relative; /* rank-numberの基準点 */
    overflow: hidden; /* はみ出した三角形を隠す */
}

.rank-number {
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 60px;
    background-color: var(--main-color);
    color: #fff;
    font-size: 1rem;
    font-weight: bold;
    clip-path: polygon(0 0, 100% 0, 0 100%);
    padding-right: 0; /* テキストを中央に寄せる */
    padding-bottom: 0; /* テキストを中央に寄せる */
}

.rank-number span {
    display: block;
    position: absolute;
    top: 10px;
    left: 8px;
    transform: rotate(-45deg);
}

.manga-list-ranking .rank-image {
    width: 90px;
    flex-shrink: 0;
}

.manga-list-ranking .rank-details {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.manga-list-ranking h3 {
    font-size: 1rem;
    margin: 0;
}

.manga-list-ranking p {
    font-size: 0.8rem;
    margin: 0.5rem 0;
    flex-grow: 1;
}

.manga-list-ranking .purchase {
    background-color: var(--main-color);
    color: #fff;
    padding: 8px 10px; /* 左右の余白を10pxに */
    border-radius: 5px;
    text-align: center;
    font-weight: bold;
    margin-left: auto; /* 右寄せ */
    margin-top: auto; /* 下寄せ */
}

/* content-jenre */
.content-jenre form {
    display: flex;
    gap: 10px;
    margin-bottom: 1rem;
}

.content-jenre input[type="text"] {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.content-jenre button[type="submit"] {
    background-color: var(--main-color);
    color: #fff;
    border: none;
    padding: 0 15px;
    border-radius: 5px;
    cursor: pointer;
}

.genre-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, auto);
    gap: 10px;
}

.genre-list li a {
    display: block;
    padding: 15px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-align: center;
}

/* content-menu */
.content-menu ul li {
    /* height: 40px; */ /* 削除 */
    display: flex;
    /* justify-content: space-between; */ /* 削除 */
    /* align-items: center; */ /* 削除 */
    border-bottom: 1px solid #ddd;
    padding: 0 10px;
    background-color: #fff;
}

.content-menu ul li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%; /* aタグがliの幅いっぱいに広がるように */
    height: 40px; /* aタグのheightを40pxに設定 */
}

/* footer */
footer .copy {
    text-align: center;
    font-size: 0.8rem;
    color: #666;
}