/* =========================================================
   T-M・サポート — 施工事例（一覧・詳細）専用スタイル

   cases.php / case.php でのみ読み込む。
   DESIGN_GUIDELINES.md に準拠。

   このページは「実績数を誇るページ」ではなく「仕事の一例」を見せるページ。
   写真を主役にしすぎず、対応範囲の広さが伝わることを優先する。
   ========================================================= */

:root {
    --wk-ink: #16233A;
    --wk-navy: #2C4773;
    --wk-body: #4E5966;
    --wk-mute: #5F6874;
    --wk-red: #C32B38;
    --wk-line: #DFD8CA;
    --wk-paper: #FBF8F2;
}

.wk { background: #fff; color: var(--wk-ink); }
.wk-wrap { max-width: 1180px; margin: 0 auto; padding-inline: 24px; }

.wk-label {
    display: block;
    font-size: 12px; font-weight: 700; letter-spacing: .2em;
    color: var(--wk-red); margin: 0 0 18px;
}

/* ---------------------------------------------------------
   冒頭 ── 大げさなヒーローにしない
   --------------------------------------------------------- */
.wk-open { padding: clamp(44px, 7vw, 92px) 0 clamp(30px, 4vw, 52px); }
.wk-open h1 {
    font-size: clamp(27px, 4.8vw, 48px);
    font-weight: 900; line-height: 1.45; letter-spacing: -.01em;
    margin: 0 0 26px; word-break: auto-phrase;
}
.wk-open p {
    font-size: clamp(15px, 1.9vw, 16.5px);
    line-height: 2.2; color: var(--wk-body);
    max-width: 45em; margin: 0 0 16px;
}
.wk-open p strong { color: var(--wk-ink); font-weight: 700; }

/* ---------------------------------------------------------
   一覧 ── 3列カードをやめ、横長のリストにする
   --------------------------------------------------------- */
.wk-list { padding-bottom: clamp(44px, 7vw, 88px); border-top: 1px solid var(--wk-line); }

.wk-row {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: clamp(20px, 4vw, 52px);
    align-items: center;
    padding: clamp(26px, 3.6vw, 42px) 0;
    border-bottom: 1px solid var(--wk-line);
    text-decoration: none;
    color: inherit;
}
.wk-row:hover { opacity: 1; }
@media (max-width: 760px) {
    /* スマホは 番号 → カテゴリ → タイトル → 補助情報 → 写真 の縦並び */
    .wk-row { grid-template-columns: 1fr; gap: 16px; }
    .wk-row .wk-row-photo { order: 2; }
}

.wk-row-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 12px; }
.wk-no {
    font-size: clamp(20px, 2.6vw, 28px);
    font-weight: 800; color: var(--wk-red); line-height: 1;
    letter-spacing: -.02em; font-variant-numeric: tabular-nums;
}
.wk-cat {
    font-size: 11.5px; font-weight: 700; letter-spacing: .18em;
    color: var(--wk-mute);
}
.wk-row h2 {
    font-size: clamp(18px, 2.6vw, 25px);
    font-weight: 800; color: var(--wk-ink);
    line-height: 1.6; margin: 0 0 12px; letter-spacing: -.005em;
    word-break: auto-phrase;
    transition: color .18s ease;
}
.wk-row:hover h2 { color: var(--wk-red); }
.wk-meta { font-size: 13.5px; color: var(--wk-mute); letter-spacing: .02em; }
.wk-row-more {
    display: inline-flex; align-items: center; gap: 10px;
    margin-top: 16px;
    font-size: 13.5px; font-weight: 700; color: var(--wk-navy);
}
.wk-row-more::after {
    content: ""; width: 8px; height: 8px;
    border-right: 1.5px solid currentColor; border-top: 1.5px solid currentColor;
    transform: rotate(45deg); transition: margin-left .2s ease;
}
.wk-row:hover .wk-row-more { color: var(--wk-red); }
.wk-row:hover .wk-row-more::after { margin-left: 6px; }

/* 写真は主役にしすぎない。高さを抑える。 */
.wk-row-photo { margin: 0; overflow: hidden; background: var(--wk-paper); }
.wk-row-photo img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
    border-radius: 2px;
    transition: transform .5s cubic-bezier(.2,.7,.3,1);
}
.wk-row:hover .wk-row-photo img { transform: scale(1.03); }

/* ---------------------------------------------------------
   詳細ページ
   --------------------------------------------------------- */
.wk-detail-open { padding: clamp(40px, 6vw, 76px) 0 clamp(24px, 3vw, 36px); }
.wk-detail-open .wk-eyebrow {
    display: block; font-size: 12px; font-weight: 700; letter-spacing: .18em;
    color: var(--wk-red); margin: 0 0 16px;
}
.wk-detail-open h1 {
    font-size: clamp(24px, 4.2vw, 42px);
    font-weight: 900; line-height: 1.45; letter-spacing: -.01em;
    margin: 0 0 18px; word-break: auto-phrase;
}
.wk-detail-meta {
    font-size: 15px; color: var(--wk-body);
    padding-top: 18px; border-top: 1px solid var(--wk-line);
}

/* 写真 ── 複雑なギャラリーUIにしない。並べるだけ。 */
.wk-gallery { padding-bottom: clamp(32px, 5vw, 56px); }
.wk-gallery-grid { display: grid; gap: clamp(12px, 2vw, 20px); }
.wk-gallery-grid.n1 { grid-template-columns: 1fr; }
.wk-gallery-grid.n2 { grid-template-columns: 1fr 1fr; }
.wk-gallery-grid.n3,
.wk-gallery-grid.n4 { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 861px) {
    .wk-gallery-grid.n3 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) { .wk-gallery-grid { grid-template-columns: 1fr !important; } }

.wk-shot { margin: 0; }
.wk-shot img {
    width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
    display: block; border-radius: 2px; background: var(--wk-paper);
}
.wk-gallery-grid.n1 .wk-shot img { aspect-ratio: 16 / 10; }
.wk-shot figcaption {
    margin-top: 9px; font-size: 12.5px; color: var(--wk-mute); letter-spacing: .04em;
}

/* 本文 */
.wk-body { padding-bottom: clamp(36px, 5vw, 60px); }
.wk-body-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
}
@media (max-width: 860px) { .wk-body-grid { grid-template-columns: 1fr; gap: 28px; } }

.wk-body h2 {
    font-size: clamp(17px, 2.3vw, 21px);
    font-weight: 800; color: var(--wk-ink);
    margin: 0 0 14px; line-height: 1.6;
}
.wk-body h2 + p { margin-top: 0; }
.wk-body p {
    font-size: 15.5px; line-height: 2.15; color: var(--wk-body);
    margin: 0 0 30px; max-width: 45em;
}
.wk-body p:last-child { margin-bottom: 0; }

.wk-tags-label { font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--wk-mute); margin-bottom: 10px; }
.wk-tags { font-size: 15px; color: var(--wk-ink); line-height: 2; }
.wk-tags span::after { content: "　/　"; color: var(--wk-line); }
.wk-tags span:last-child::after { content: ""; }

/* 情報 ── 角丸カードに閉じ込めず、罫線のリストに */
.wk-spec { border-top: 2px solid var(--wk-ink); }
.wk-spec div {
    display: grid; grid-template-columns: 86px 1fr; gap: 0 16px;
    padding: 14px 0; border-bottom: 1px solid var(--wk-line);
    font-size: 14.5px; line-height: 1.9;
}
.wk-spec dt { color: var(--wk-mute); font-size: 13px; margin: 0; }
.wk-spec dd { margin: 0; color: var(--wk-ink); }

/* ---------------------------------------------------------
   相談への導線 ── 事例ごとに売り込みすぎない
   --------------------------------------------------------- */
.wk-ask { background: var(--wk-paper); padding: clamp(44px, 6vw, 80px) 0; }
.wk-ask h2 {
    font-size: clamp(21px, 3.2vw, 32px);
    font-weight: 900; line-height: 1.5; margin: 0 0 20px;
    word-break: auto-phrase;
}
/* 行長は em（全角1文字）で決める。ch は数字の幅なので日本語だと狭くなる。 */
.wk-ask p { font-size: 15.5px; line-height: 2.15; color: var(--wk-body); max-width: 42em; margin: 0 0 10px; }
.wk-ask p:last-of-type { margin-bottom: 30px; }
.wk-ask-links { display: flex; flex-wrap: wrap; gap: clamp(18px, 3vw, 40px); }
.wk-link {
    display: inline-flex; align-items: center; gap: 12px;
    font-size: 15px; font-weight: 800; color: var(--wk-navy);
    text-decoration: none; padding: 12px 0;
    border-bottom: 2px solid var(--wk-navy);
    transition: color .18s ease, border-color .18s ease;
}
.wk-link::after {
    content: ""; width: 8px; height: 8px;
    border-right: 1.5px solid currentColor; border-top: 1.5px solid currentColor;
    transform: rotate(45deg); transition: margin-left .2s ease;
}
.wk-link:hover { opacity: 1; color: var(--wk-red); border-color: var(--wk-red); }
.wk-link:hover::after { margin-left: 8px; }

.wk-back { padding: clamp(32px, 5vw, 56px) 0 clamp(52px, 7vw, 88px); }
.wk-back a {
    display: inline-flex; align-items: center; gap: 14px;
    font-size: 14.5px; font-weight: 700; color: var(--wk-ink);
    text-decoration: none;
    border: 1px solid var(--wk-line); padding: 16px 32px;
    transition: border-color .18s ease, background-color .18s ease;
}
.wk-back a::before {
    content: ""; width: 8px; height: 8px;
    border-left: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg);
}
.wk-back a:hover { opacity: 1; border-color: var(--wk-ink); background: var(--wk-paper); }

/* フォーカス */
.wk a:focus-visible { outline: 3px solid var(--wk-red); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
    .wk * { transition: none !important; }
    .wk-row:hover .wk-row-photo img { transform: none; }
}