/* ゆるみ妻 公式サイト - ダーク×ピンク/マゼンタ（フレームワークなし） */
:root {
  --bg: #130a12;
  --bg-deep: #0c060b;
  --panel: #1e1220;
  --panel-2: #26152b;
  --ink: #f6eef4;
  --sub: #c9a8c2;
  --faint: #9d7f97;
  --accent: #ff4d94;
  --accent-2: #c44dff;
  --accent-dark: #d6336c;
  --grad: linear-gradient(120deg, #ff4d94 0%, #e0339b 48%, #a24dff 100%);
  --line: rgba(255, 120, 185, .18);
  --line-soft: rgba(255, 255, 255, .07);
  --radius: 16px;
  --shadow: 0 18px 40px rgba(0, 0, 0, .45);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", "Noto Sans JP", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1100px 480px at 50% -120px, rgba(255, 77, 148, .16), transparent 62%),
    radial-gradient(800px 500px at 88% 30%, rgba(164, 77, 255, .08), transparent 60%),
    var(--bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(255, 77, 148, .45); }
a { color: var(--accent); }
a:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
img { max-width: 100%; height: auto; border-radius: 10px; }

/* ---------- ヘッダー（共通） ---------- */
.site-header {
  position: relative;
  text-align: center;
  background: linear-gradient(180deg, #22102a 0%, #160a18 100%);
  border-bottom: 1px solid var(--line);
  padding: 34px 16px 22px;
  overflow: hidden;
}
.site-header h1 {
  margin: 0 0 4px;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: .16em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: #ff7eb0;
  -webkit-text-fill-color: transparent;
}
.site-header .tagline { margin: 0; color: var(--sub); font-size: .9rem; letter-spacing: .08em; }
.main-nav { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px 4px; justify-content: center; }
.main-nav a {
  color: #efd9ea; text-decoration: none; font-size: .88rem; letter-spacing: .05em;
  padding: 5px 13px; border-radius: 999px; border: 1px solid transparent;
  transition: background .2s, border-color .2s, color .2s;
}
.main-nav a:hover { background: rgba(255, 77, 148, .14); border-color: var(--line); color: #fff; }

/* ヒーロー付きヘッダー（トップ／about） */
.site-header.has-hero { padding: 0 0 26px; background: var(--bg-deep); }
.site-header.has-hero .hero {
  /* 焼き込み文字入り画像なのでトリミングせず自然な3:1比率で全幅表示 */
  width: 100%; height: auto;
  border-radius: 0; display: block;
  filter: saturate(1.05);
}
.site-header.has-hero::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0;
  aspect-ratio: 3 / 1;
  background:
    linear-gradient(180deg, rgba(12, 5, 11, .34) 0%, rgba(12, 5, 11, 0) 34%, rgba(12, 5, 11, .18) 62%, var(--bg-deep) 100%),
    linear-gradient(90deg, rgba(255, 77, 148, .12), rgba(164, 77, 255, .12));
  pointer-events: none;
}
.site-header.has-hero h1 {
  position: relative; z-index: 1;
  font-size: clamp(2rem, 7.2vw, 3.3rem); letter-spacing: .18em; margin: 26px 0 4px;
}
.site-header.has-hero .tagline {
  position: relative; z-index: 1;
  color: #ffe3f0; font-size: clamp(.85rem, 2.6vw, 1rem); letter-spacing: .14em;
  text-shadow: 0 2px 14px rgba(0, 0, 0, .8);
}
.site-header.has-hero .main-nav { position: relative; z-index: 1; margin-top: 20px; padding: 0 12px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 18px 56px; }

/* ---------- 年齢確認ゲート ---------- */
.agegate {
  position: relative;
  background: linear-gradient(155deg, #2a1330 0%, #180b1c 70%);
  border: 1px solid rgba(255, 77, 148, .5);
  border-radius: var(--radius);
  box-shadow: 0 0 0 1px rgba(255, 77, 148, .12), 0 24px 50px rgba(0, 0, 0, .5), 0 0 44px rgba(255, 77, 148, .12);
  margin: 30px auto;
  padding: 32px 24px 30px;
  text-align: center;
  max-width: 680px;
}
.agegate .warn {
  display: inline-block; background: linear-gradient(120deg, #ff3d5e, #ff4d94);
  color: #fff; font-weight: 800; letter-spacing: .22em; text-indent: .22em;
  padding: 3px 16px; border-radius: 999px; font-size: .82rem;
  box-shadow: 0 6px 18px rgba(255, 61, 94, .4);
}
.agegate h2 { margin: 16px 0 6px; font-size: 1.3rem; letter-spacing: .14em; }
.agegate p { margin: 6px 0; color: var(--sub); font-size: .95rem; }
.agegate .buttons { margin-top: 20px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 700; letter-spacing: .06em;
  padding: 13px 30px; border-radius: 999px; font-size: 1rem;
  transition: transform .15s, box-shadow .15s, background .2s, opacity .2s;
}
.btn-enter { background: var(--grad); color: #fff; box-shadow: 0 10px 26px rgba(224, 51, 155, .38); }
.btn-enter:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(224, 51, 155, .5); }
.btn-leave { background: transparent; color: var(--sub); border: 1px solid var(--line); }
.btn-leave:hover { color: #fff; border-color: rgba(255, 120, 185, .5); }
.btn-disabled { background: #3a2a38; color: #a5879e; pointer-events: none; }

/* ---------- セクション ---------- */
section { margin-top: 46px; }
h2.sec {
  font-size: 1.35rem; letter-spacing: .1em; margin: 0 0 6px;
  display: flex; align-items: center; gap: 12px;
}
h2.sec::before {
  content: ""; width: 5px; height: 1.15em; border-radius: 3px;
  background: var(--grad); box-shadow: 0 0 12px rgba(255, 77, 148, .6);
}
.sec-lead { color: var(--sub); font-size: .92rem; margin: 0 0 16px; }

/* プロフィール */
.profile-box {
  display: flex; gap: 22px; align-items: flex-start;
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.profile-box img {
  width: 112px; height: 112px; object-fit: cover; border-radius: 50%;
  border: 2px solid rgba(255, 77, 148, .55);
  box-shadow: 0 0 0 5px rgba(255, 77, 148, .12), 0 10px 24px rgba(0, 0, 0, .4);
  flex: none;
}
.profile-box p { margin: 4px 0; font-size: .95rem; color: #e9d8e6; }
.profile-box a { font-weight: 700; text-decoration: none; border-bottom: 1px solid rgba(255, 77, 148, .5); }
.profile-box a:hover { color: #ff8fb9; }

/* ---------- キャラ紹介グリッド ---------- */
.char-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.char {
  position: relative; margin: 0; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--line-soft); background: var(--panel);
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.char:hover { transform: translateY(-3px); border-color: rgba(255, 77, 148, .55); box-shadow: 0 16px 32px rgba(0, 0, 0, .5); }
.char img {
  width: 100%; aspect-ratio: 3 / 4; object-fit: cover; object-position: center 22%;
  display: block; border-radius: 0;
}
.char-meta {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 30px 12px 10px;
  background: linear-gradient(180deg, transparent, rgba(9, 3, 9, .88) 58%);
  color: #fff; line-height: 1.45;
}
.char-name { font-weight: 800; font-size: 1rem; letter-spacing: .08em; }
.char-age { color: #ffabc9; font-size: .78rem; font-weight: 700; margin-left: 7px; letter-spacing: .05em; }
.char-desc { display: block; font-size: .72rem; color: #ecd7e8; letter-spacing: .03em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- 記事カード ---------- */
.cards { display: grid; grid-template-columns: 1fr; gap: 18px; }
.card {
  background: linear-gradient(165deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); border-color: rgba(255, 77, 148, .5); box-shadow: var(--shadow); }
.card-thumb { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: #170b18; }
.card-thumb img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 25%;
  border-radius: 0; display: block; transition: transform .35s;
}
.card:hover .card-thumb img { transform: scale(1.05); }
.card-thumb.logo img { object-fit: contain; padding: 20px; }
.card-thumb.ph {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  text-decoration: none; text-align: center; padding: 12px;
  background:
    radial-gradient(420px 200px at 50% 0%, rgba(255, 77, 148, .28), transparent 70%),
    linear-gradient(140deg, #33163a, #1c0d24);
  color: #ffb9d6; font-weight: 800; letter-spacing: .18em; font-size: 1rem;
}
.card-thumb.ph small { color: var(--sub); font-weight: 400; letter-spacing: .1em; font-size: .72rem; }
.card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 2px; flex: 1; }
.card .cat, article.post .cat {
  display: inline-block; align-self: flex-start;
  font-size: .72rem; font-weight: 800; letter-spacing: .14em;
  color: #ff8fb9; background: rgba(255, 77, 148, .13);
  border: 1px solid rgba(255, 77, 148, .3);
  padding: 2px 10px; border-radius: 999px;
}
.card h3 { margin: 9px 0 6px; font-size: 1.03rem; line-height: 1.55; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: #ff8fb9; }
.card p { margin: 0; font-size: .88rem; color: var(--sub); }

/* ---------- 記事ページ ---------- */
article.post {
  background: linear-gradient(170deg, #211327, #170c1a);
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 34px 38px; margin: 28px auto 0; max-width: 840px;
  box-shadow: var(--shadow);
}
article.post h1 { font-size: 1.55rem; line-height: 1.5; margin: 12px 0 14px; letter-spacing: .03em; }
article.post h2 {
  font-size: 1.18rem; letter-spacing: .05em; margin-top: 34px;
  display: flex; align-items: center; gap: 10px;
}
article.post h2::before {
  content: ""; width: 4px; height: 1.1em; border-radius: 3px; background: var(--grad); flex: none;
}
article.post h3 { font-size: 1.03rem; margin-top: 24px; color: #ffd7e8; }
article.post p { color: #e9d8e6; }
article.post .meta { color: var(--faint); font-size: .85rem; }
article.post .note {
  background: rgba(255, 77, 148, .08); border: 1px solid rgba(255, 77, 148, .28);
  border-radius: 10px; padding: 12px 16px; font-size: .9rem; color: #f3dcea;
}
article.post ul { padding-left: 1.3em; }
article.post li { color: #e9d8e6; margin: 3px 0; }
article.post li::marker { color: var(--accent); }
article.post figure { margin: 22px 0; text-align: center; }
article.post figure img { border: 1px solid var(--line-soft); border-radius: 12px; box-shadow: 0 12px 28px rgba(0, 0, 0, .4); }
article.post figcaption { font-size: .8rem; color: var(--faint); margin-top: 6px; }
.img-placeholder {
  border: 1.5px dashed rgba(255, 120, 185, .4); border-radius: 12px; padding: 36px 12px;
  color: var(--sub); text-align: center; font-size: .9rem; background: rgba(255, 77, 148, .04);
}
.linkbox { margin: 26px 0; text-align: center; }
.backlink { margin-top: 30px; font-size: .9rem; }
.backlink a { color: var(--sub); text-decoration: none; }
.backlink a:hover { color: #ff8fb9; }

/* ---------- 記事末尾のクロス導線 ---------- */
.funnel { margin-top: 42px; border-top: 1px solid var(--line); padding-top: 8px; }
.funnel h2 { margin-top: 14px; }
.funnel-cards { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 16px; }
.funnel-card {
  display: block; text-decoration: none;
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line-soft); border-radius: 12px;
  padding: 15px 17px 13px;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}
.funnel-card:hover { transform: translateY(-2px); border-color: rgba(255, 77, 148, .5); box-shadow: 0 14px 30px rgba(0, 0, 0, .45); }
.funnel-card .f-title { display: block; color: var(--ink); font-weight: 700; font-size: .98rem; line-height: 1.55; margin: 7px 0 3px; }
.funnel-card:hover .f-title { color: #ff8fb9; }
.funnel-card .f-desc { display: block; color: var(--sub); font-size: .85rem; line-height: 1.65; }
@media (min-width: 640px) {
  .funnel-cards { grid-template-columns: 1fr 1fr; }
}

/* ---------- フッター ---------- */
.site-footer {
  border-top: 1px solid var(--line); margin-top: 56px; padding: 28px 16px 38px;
  text-align: center; color: var(--faint); font-size: .82rem; background: var(--bg-deep);
}
.site-footer .links { margin: 0 0 14px; }
.site-footer .links a { margin: 0 10px; color: #e9b7d2; text-decoration: none; font-size: .88rem; }
.site-footer .links a:hover { color: #ff8fb9; text-decoration: underline; }

/* ---------- レスポンシブ ---------- */
@media (min-width: 640px) {
  .char-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .cards { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .char-grid { grid-template-columns: repeat(5, 1fr); }
  .cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .site-header { padding: 26px 12px 18px; }
  .site-header h1 { font-size: 1.28rem; }
  .site-header.has-hero { padding-bottom: 20px; }
  .site-header.has-hero h1 { margin-top: 20px; }
  .site-header.has-hero .tagline { padding: 0 18px; }
  .main-nav a { padding: 5px 9px; font-size: .82rem; }
  .wrap { padding: 0 14px 44px; }
  .profile-box { flex-direction: column; align-items: center; text-align: center; padding: 20px 16px; }
  article.post { padding: 24px 18px; }
  article.post h1 { font-size: 1.32rem; }
  .agegate { padding: 26px 16px 24px; }
  .btn { padding: 12px 22px; font-size: .95rem; }
  .char-desc { white-space: normal; }
}