/* 色は出来るだけ、SB Creative出版『日本の美しい色と言葉』から取っていく。 */
/* 当ページはp256『しとしと』 */
/* 氷雨 #e3e8f1 */
/* 俄雨 #6290b1 */
/* 長雨 #afd3e6 */
/* 秋雨 #609aa0 */
/* 五月雨 #9ec8d1 */

/* Seoremium */
@font-face {
    font-family: "Seoremium_clg";
    src: url("../seoremium/seoremium41.ttf") format("truetype");
    font-display: swap;
}

/* Source */
@font-face {
    font-family: "Source Code Pro";
    src: url("../jssproject/SourceCodePro-VariableFont_wght.ttf");
    font-display: swap;
}

body {
    font-size: 1rem;
    background-color: #111822;
    /* 青っぽい背景色 */
    font-family:
        "Noto Serif",
        "Noto Sans",
        "Segoe UI",
        "Helvetica Neue",
        Arial,
        "IPAexゴシック",
        "BIZ UDPゴシック";
    margin: 0;
    padding: 0;
    text-align: left;
    line-height: 1.6;
}

h1 {
    background-color: #609aa0;
    /* 秋雨 */
    color: black;
    /* 文字は黒でよい */
    padding: 0.5em;
    /* 内側の余白で見た目よく */
}

h2 {
    background-color: #6290b1;
    /* 俄雨 */
    color: black;
    /* 文字は黒でよい */
    padding: 0.2em;
    /* 内側の余白で見た目よく */
}

h3 {
    background-color: #fde5c5;
    /* フルムーン */
    color: black;
    /* 文字は黒でよい */
    padding: 0.1em;
    /* 内側の余白で見た目よく */
}

.p_left {
    text-align: left;
}

.wrapper {
    max-width: 700px;
    width: 80%;
    margin: 50px auto;
    padding: 20px;
    border: 0px solid #111;
    background-color: #afd3e6;
    /* 長雨 */
    font-family: "Segoe UI", "Arial Unicode MS", "MS PGothic", "sans-serif";
}

.inner_wrapper {
    width: 600px;
    margin: 10px auto;
    padding: 20px;
    border: 1px solid #111;
    background-color: #ffffee;
    font-family: "Segoe UI", "Arial Unicode MS", "MS PGothic", sans-serif;
}

.grid-table {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2px;
}

.grid-table2 {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 2px;
}

.cell {
    border: 1px solid #ccc;
    padding: 4px 8px;
    line-break: strict;
    /* 日本語の自然な改行ルールに従う */
    word-break: break-word;
    overflow-wrap: break-word;
}

img.yokonaga-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 0 auto;
}

img.tatenaga-image {
    width: 60%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 0 auto;
}

hr {
    border-width: 2px 0 0 0;
    /* 線の太さ */
    border-style: dashed;
    /* 線の種類 */
    border-color: #609aa0;
    /* 線の色 */
}

blockquote {
    margin: 1em 0;
    padding: 0.1em 0 0.1em 1.25em;
    border-left: 4px solid rgba(17, 24, 34, 0.22);
}

blockquote> :first-child {
    margin-top: 0;
}

blockquote> :last-child {
    margin-bottom: 0;
}

dt {
    font-weight: bold;
}

.seoremium {
    font-family: "Seoremium_clg";
    font-size: 1.0rem;
    font-weight: normal;
}

.br-sp {
    display: none;
}


pre,
pre code {
    background-color: #bbbbbb;
    color: #000;
    font-size: 90%;
    padding: 0.5em;
    display: block;
    overflow-x: auto;
    border-radius: 4px;
    font-family: "Source Code Pro", "Consolas", "Courier New", Courier, monospace;
}

code {
    background-color: #bbbbbb;
    color: #000;
    font-size: 90%;
    padding: 0.1em 0.3em;
    border-radius: 3px;
    font-family: "Source Code Pro", "Consolas", "Courier New", Courier, monospace;
    display: inline-block;
    line-height: 1.2;
}

.bold {
    font-weight: bold;
}

.del {
    text-decoration: line-through;
    text-decoration-color: gray;
    font-size: 0.75rem;
    color: gray;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
}

table th,
table td {
    border: 1px solid #666;
    padding: 0.4em 0.6em;
    text-align: left;
}

ol {
    font-weight: bold;
}

/* ============================================================
     案D: 雨窓ボタン（Canvas雨粒アニメーション背景）
     ============================================================ */
.rain-window-btn {
    position: relative;
    width: 200px;
    height: 64px;
    background: rgba(17, 24, 34, 0.85);
    border: 2px solid #609aa055;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: border-color 0.4s, box-shadow 0.4s;
    margin: 0 auto;
}

.rain-window-btn canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.rain-window-btn .rw-label {
    position: relative;
    z-index: 1;
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.2em;
    color: #e3e8f1;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
    transition: text-shadow 0.4s;
}

.rain-window-btn:hover {
    border-color: #9ec8d1;
    box-shadow: 0 0 24px rgba(158, 200, 209, 0.15);
}

.rain-window-btn:hover .rw-label {
    text-shadow: 0 0 10px rgba(158, 200, 209, 0.5), 0 1px 4px rgba(0, 0, 0, 0.6);
}

/* ====== レスポンシブ ====== */
@media (max-width: 600px) {
    h1 {
        font-size: 1rem;
    }

    .rain-badge {
        width: 140px;
        height: 46px;
    }

    .rain-badge .badge-label {
        font-size: 0.75rem;
    }

    .ripple-btn {
        width: 150px;
        height: 48px;
    }

    .rain-window-btn {
        width: 160px;
        height: 54px;
    }

    .drop-links-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 600px) {
    body {
        font-size: 0.7rem;
    }

    h1,
    h2 {
        font-size: 1rem;
    }

    .seoremium {
        font-size: 1rem;
    }

    .wrapper,
    .inner_wrapper {
        width: 95%;
        padding: 10px;
        word-wrap: break-word;
        box-sizing: border-box;
    }

    .grid-table,
    .grid-table2 {
        grid-template-columns: 1fr;
    }

    .br-sp {
        display: inline;
    }
}