/* CLEAVE — 暗い面・細い真鍮の線・大きな余白。ゲーム本編と同じ語彙で組む */
:root {
    --bg:        #13100B;  /* 画面の最背面(暖色寄りの黒) */
    --panel:     #201810;  /* 一段持ち上げた面 */
    --panel-2:   #2A2016;
    --brass-hi:  #F0D296;
    --brass:     #B58D4C;
    --brass-dim: #7A5C2C;
    --brass-dark:#3E2E15;
    --paper:     #E7DABC;
    --paper-dim: #CDBD99;
    --amber:     #FFC062;
    --serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
    --sans:  "Hiragino Sans", "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    padding: 0 20px 80px;
    background: var(--bg);
    /* 一灯の暖かい光だまり。本編の背景と同じ扱い */
    background-image: radial-gradient(ellipse 900px 700px at 50% 0%, #2A1F12 0%, var(--bg) 70%);
    background-repeat: no-repeat;
    color: var(--paper-dim);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.9;
    letter-spacing: .02em;
}

.container { max-width: 720px; margin: 0 auto; }

/* ---- 言語切替・戻る ---- */
.lang-switch { text-align: right; padding-top: 28px; }
.back-link { padding-top: 20px; }

.lang-switch a, .back-link a {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid rgba(181, 141, 76, .55);
    color: var(--brass-hi);
    text-decoration: none;
    font-size: 14px;
    letter-spacing: .08em;
    transition: border-color .2s, color .2s;
}
.lang-switch a:hover, .back-link a:hover { border-color: var(--amber); color: var(--amber); }

/* ---- 見出し ---- */
header { text-align: center; padding: 56px 0 40px; }

/* ゲームのアイコンそのもの。図を描き起こすと必ずずれるので、同じ画像を使う */
.crystal {
    display: block;
    margin: 0 auto 26px;
    width: 96px; height: 96px;
    border-radius: 22%;              /* iOSのホーム画面と同じ角丸 */
    border: 1px solid rgba(181, 141, 76, .35);
}

header h1 {
    margin: 0;
    font-family: var(--serif);
    font-weight: 400;
    font-size: 42px;
    line-height: 1.25;
    color: var(--brass-hi);
    letter-spacing: .22em;
    text-indent: .22em;   /* 字送りぶん右にずれるのを戻す */
}
header .subtitle, header .last-updated {
    margin: 14px 0 0;
    font-size: 14px;
    color: rgba(205, 189, 153, .55);
    letter-spacing: .06em;
}

/* 見出しの下の一本線 */
header::after {
    content: "";
    display: block;
    width: 100%;
    height: 1px;
    margin-top: 34px;
    background: linear-gradient(90deg,
        transparent, rgba(181, 141, 76, .55) 12%, rgba(181, 141, 76, .55) 88%, transparent);
}

/* ---- 面 ---- */
.card {
    background: var(--panel);
    border: 1px solid rgba(181, 141, 76, .35);
    padding: 34px 32px 38px;
    margin: 32px 0;
}

.card h2 {
    margin: 0 0 22px;
    font-family: var(--serif);
    font-weight: 400;
    font-size: 24px;
    color: var(--brass-hi);
    letter-spacing: .14em;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(181, 141, 76, .28);
}
.card h2 + p, .card h2 + ul { margin-top: 0; }

.card h3 {
    margin: 32px 0 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--amber);
    letter-spacing: .04em;
}
.card h3::before { content: "・"; color: rgba(255, 192, 98, .6); }

.card p { margin: 0 0 16px; }
.card p:last-child { margin-bottom: 0; }

.card ul { margin: 0 0 16px; padding-left: 0; list-style: none; }
.card li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 10px;
}
/* 箇条書きの印は楔。道具の記号をそのまま持ってくる */
.card li::before {
    content: "";
    position: absolute;
    left: 2px; top: .78em;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 7px solid var(--brass);
}

.card a { color: var(--amber); text-decoration: none; border-bottom: 1px solid rgba(255, 192, 98, .4); }
.card a:hover { border-bottom-color: var(--amber); }

strong { color: var(--paper); font-weight: 600; }

/* ---- 押し板 ---- */
.contact-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 14px 40px;
    background: linear-gradient(180deg, var(--brass) 0%, var(--brass-dim) 100%);
    border: 1px solid var(--brass-dark);
    color: #3A2A10 !important;
    font-family: var(--serif);
    font-size: 17px;
    letter-spacing: .16em;
    text-decoration: none;
    border-bottom: 1px solid var(--brass-dark) !important;
}
.contact-btn:hover { filter: brightness(1.12); }

/* ---- 脚 ---- */
footer {
    margin-top: 56px;
    padding-top: 26px;
    border-top: 1px solid rgba(181, 141, 76, .25);
    text-align: center;
}
footer p { margin: 0; font-size: 13px; color: rgba(205, 189, 153, .35); letter-spacing: .06em; }

@media (max-width: 560px) {
    header { padding: 40px 0 30px; }
    header h1 { font-size: 32px; }
    .card { padding: 26px 20px 30px; }
    .card h2 { font-size: 20px; }
}