/* =========================================================
   クロサナ活動記録 - スタイルシート（和風）
   デザイン方針は Trash/和風デザイン研究ノート.md を参照
   ---------------------------------------------------------
   配色: 生成りの和紙地に、墨・鉄色（深い青緑）・紅の三色構成
         + 藤・白緑のパステルを補助に（はかなげ担当）
   書体: 見出し=しっぽり明朝 / 本文=Zen角ゴシック
   ========================================================= */

:root {
  /* 地・線 */
  --washi: #f6f3ea;        /* 生成り（和紙） */
  --washi-soft: #efeadb;   /* 少し濃い生成り */
  --paper: #fcfaf4;        /* カードの白（純白は使わない） */
  --line: #ddd5c2;         /* 枯色の罫線 */

  /* 文字 */
  --sumi: #2c3331;         /* 墨（わずかに緑み） */
  --sumi-soft: #6b736f;    /* 薄墨 */

  /* 主色: 鉄色（ブログの #065154 を参照しつつ少し明るく） */
  --sen: #0d5654;
  --sen-dark: #113f3e;
  --sen-pale: #e3ede7;     /* 白緑 */

  /* 差し色: 紅（#d7003a を参照した、少し落ち着いた紅） */
  --beni: #c22c50;
  --beni-dark: #9e2140;
  --beni-pale: #f7e7eb;    /* 桜色 */

  /* 補助: 藤（参加・見学バッジ） */
  --fuji: #7a6ea5;
  --fuji-pale: #edeaf5;

  --radius: 3px;
  --font-serif: "Shippori Mincho B1", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --maxw: 1120px;

  /* 和紙の質感（極薄ノイズ） */
  --washi-texture: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.17 0 0 0 0 0.20 0 0 0 0 0.19 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");

  /* 青海波（暗地用・明地用） */
  --seigaiha-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='40' viewBox='0 0 56 40'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='0.08'%3E%3Cpath d='M0 40a28 28 0 0 1 56 0'/%3E%3Cpath d='M8 40a20 20 0 0 1 40 0'/%3E%3Cpath d='M16 40a12 12 0 0 1 24 0'/%3E%3C/g%3E%3C/svg%3E");
  --seigaiha-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='40' viewBox='0 0 56 40'%3E%3Cg fill='none' stroke='%230d5654' stroke-opacity='0.10'%3E%3Cpath d='M0 40a28 28 0 0 1 56 0'/%3E%3Cpath d='M8 40a20 20 0 0 1 40 0'/%3E%3Cpath d='M16 40a12 12 0 0 1 24 0'/%3E%3C/g%3E%3C/svg%3E");
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--font-sans);
  background: var(--washi-texture), var(--washi);
  color: var(--sumi);
  line-height: 1.9;
  font-size: 15.5px;
  letter-spacing: .02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3 { font-family: var(--font-serif); font-weight: 700; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 朱印 ---------- */
.seal {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--beni);
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
  border-radius: 5px;
  transform: rotate(-4deg);
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, .35);
  flex-shrink: 0;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: var(--radius);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: .12em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.btn-primary {
  background: var(--beni);
  color: #fff;
  box-shadow: 0 4px 14px rgba(194, 44, 80, .22);
}
.btn-primary:hover { background: var(--beni-dark); }
.btn-ghost {
  background: transparent;
  color: var(--sumi);
  border-color: var(--sumi);
}
.btn-ghost:hover { background: var(--sumi); color: var(--washi); }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 243, 234, .9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: .1em;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  background: var(--beni);
  color: #fff;
  border-radius: 5px;
  font-size: 15px;
  transform: rotate(-4deg);
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, .35);
}
.global-nav { display: flex; gap: 2px; }
.global-nav a {
  text-decoration: none;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .08em;
  padding: 8px 13px;
  border-radius: var(--radius);
  transition: background .2s, color .2s;
}
.global-nav a:hover { background: var(--sen-pale); color: var(--sen); }
.nav-toggle { display: none; }

/* ---------- ヒーロー ---------- */
.hero {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(900px 420px at 88% -8%, var(--sen-pale), transparent 62%),
    radial-gradient(700px 380px at -6% 108%, var(--beni-pale), transparent 55%);
}
.hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 72px 24px 60px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  grid-template-areas:
    "head visual"
    "tail visual";
  gap: 28px 40px;
  align-items: center;
}
.hero-block-head { grid-area: head; align-self: end; }
.hero-block-tail { grid-area: tail; align-self: start; }
.hero-visual { grid-area: visual; margin: 0; align-self: center; }
.hero-kicker {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .22em;
  color: var(--sen);
  margin-bottom: 20px;
  line-height: 1.85;
}
.hero-kicker-row { display: block; }
.hero-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 22px;
}
.hero-title-pre {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--sumi);
}
.hero-title-accent {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5.5vw, 58px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: .06em;
  color: var(--beni);
}
.hero-title-sub {
  font-family: var(--font-serif);
  font-size: clamp(14px, 2vw, 18px);
  font-weight: 600;
  line-height: 1.7;
  letter-spacing: .1em;
  color: var(--sumi-soft);
  margin-top: 8px;
}
.hero-lead { color: var(--sumi-soft); margin-bottom: 32px; max-width: 34em; font-size: 15px; }
.hero-block-tail .hero-lead { margin-bottom: 24px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual img {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: 12px 12px 0 0 var(--sen-pale);
}

/* ---------- 統計バンド ---------- */
.stats-band {
  border-top: 1px solid var(--line);
  background: var(--seigaiha-light), var(--sen-dark);
  color: #f3efe4;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.stat {
  padding: 28px 42px;
  text-align: center;
  min-width: 180px;
}
.stat + .stat { border-left: 1px solid rgba(243, 239, 228, .18); }
.stat-num {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 36px;
  line-height: 1.2;
}
.stat-num small { font-size: 16px; font-weight: 600; margin-left: 3px; }
.stat-label { font-size: 12px; opacity: .72; margin-top: 4px; letter-spacing: .12em; }

/* ---------- セクション共通 ---------- */
.section { padding: 96px 0; }
.section-head { margin-bottom: 48px; max-width: 660px; }
.section-en,
.section-kicker {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--sen);
  margin-bottom: 14px;
}
.section-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-head h2 {
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 800;
  letter-spacing: .1em;
  margin-bottom: 14px;
}
.section-desc { color: var(--sumi-soft); font-size: 14.5px; }
.sub-heading {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--sumi);
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.sub-heading::after { content: ""; flex: 1; height: 1px; background: var(--line); }

/* ---------- 活動フィールド ---------- */
.section-pillars { padding-top: 76px; padding-bottom: 76px; }
.pillar-grid { gap: 14px; }
.pillar-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 20px 22px;
  text-decoration: none;
  position: relative;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.pillar-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--sen);
  opacity: 0;
  transition: opacity .2s ease;
}
.pillar-card:hover {
  transform: translateY(-3px);
  border-color: var(--sen);
  box-shadow: 0 12px 24px rgba(17, 63, 62, .10);
}
.pillar-card:hover::before { opacity: 1; }
.pillar-num {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--beni);
  font-size: 15px;
  letter-spacing: .2em;
}
.pillar-card h3 { font-size: 18px; font-weight: 800; letter-spacing: .08em; }
.pillar-card p { font-size: 12.5px; color: var(--sumi-soft); line-height: 1.8; flex: 1; }
.pillar-more {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 600;
  color: var(--sen);
  letter-spacing: .1em;
}

/* ---------- 大会運営 ---------- */
.section-tournaments {
  background:
    repeating-conic-gradient(rgba(13, 86, 84, .028) 0% 25%, transparent 0% 50%) 0 0 / 30px 30px,
    var(--washi-soft);
  border-block: 1px solid var(--line);
}

/* 代表的な催し */
.featured-grid { gap: 20px; }
.featured-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--sen);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.featured-card:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(44, 51, 49, .12); }
.featured-card img { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; }
.featured-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.featured-body h3 { font-size: 18px; font-weight: 800; line-height: 1.6; letter-spacing: .04em; }
.featured-body p { font-size: 13px; color: var(--sumi-soft); flex: 1; }
.featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 12.5px;
  color: var(--sumi-soft);
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}
.featured-meta b { color: var(--sumi); font-weight: 700; }

/* バッジ */
.badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 2px;
  line-height: 1.7;
  white-space: nowrap;
  letter-spacing: .06em;
}
.badge-host  { background: var(--beni-pale); color: var(--beni-dark); border: 1px solid rgba(194, 44, 80, .25); }
.badge-staff { background: var(--sen-pale);  color: var(--sen);       border: 1px solid rgba(13, 86, 84, .25); }
.badge-guest { background: var(--fuji-pale); color: var(--fuji);      border: 1px solid rgba(122, 110, 165, .3); }
.badge-cat   { background: var(--washi); color: var(--sumi-soft); border: 1px solid var(--line); }

/* フィルタ */
.filter-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 72px;
  z-index: 50;
  box-shadow: 0 8px 20px rgba(44, 51, 49, .06);
}
.filter-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; min-width: 0; }
.filter-label {
  font-family: var(--font-serif);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--sumi-soft);
  letter-spacing: .2em;
  min-width: 72px;
}
.chip-group { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 15px;
  border-radius: 2px;
  border: 1px solid var(--line);
  background: var(--washi);
  color: var(--sumi-soft);
  cursor: pointer;
  letter-spacing: .04em;
  transition: all .18s ease;
}
.chip:hover { border-color: var(--sen); color: var(--sen); }
.chip.active { background: var(--sen); border-color: var(--sen); color: #fff; }
.chip .chip-count { font-size: 11px; opacity: .65; margin-left: 4px; }

.filter-row-search {
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
#searchBox {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 9px 14px;
  border-radius: 2px;
  border: 1px solid var(--line);
  background: var(--washi);
  outline: none;
  box-sizing: border-box;
  transition: border-color .18s;
}
#searchBox:focus { border-color: var(--sen); }
.result-count {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--sumi-soft);
  font-weight: 600;
  letter-spacing: .1em;
  flex-shrink: 0;
  white-space: nowrap;
}

/* 大会一覧 */
.tournament-list { margin-top: 40px; }
.year-group { margin-bottom: 8px; }
.year-heading {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .3em;
  color: var(--sumi);
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 30px 0 14px;
}
.year-heading::before {
  content: "";
  width: 10px; height: 10px;
  background: var(--beni);
  border-radius: 1px;
  transform: rotate(45deg);
  flex-shrink: 0;
}
.year-heading::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.t-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color .18s ease;
}
.t-card:hover { border-color: var(--sen); }
.t-card-head {
  width: 100%;
  display: grid;
  grid-template-columns: 118px 1fr auto;
  gap: 8px 18px;
  align-items: center;
  padding: 15px 20px;
  background: none;
  border: none;
  font-family: var(--font-sans);
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.t-date {
  font-family: var(--font-serif);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--sumi-soft);
  letter-spacing: .04em;
  white-space: nowrap;
}
.t-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.t-name {
  font-family: var(--font-serif);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .04em;
}
.t-summary {
  font-size: 12.5px;
  color: var(--sumi-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.t-badges { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.t-toggle-icon {
  font-size: 17px;
  color: var(--sumi-soft);
  transition: transform .2s ease;
  margin-left: 4px;
}
.t-card.open .t-toggle-icon { transform: rotate(45deg); }

.t-card-body {
  display: none;
  padding: 0 20px 20px;
  border-top: 1px dashed var(--line);
}
.t-card.open .t-card-body { display: block; }
.t-detail-grid {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 20px;
  padding-top: 16px;
}
.t-desc { font-size: 14px; }
.t-note {
  font-size: 13px;
  color: var(--sumi-soft);
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--beni-pale);
}
.t-facts {
  background: var(--washi-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 14px 16px;
  font-size: 13px;
  align-self: start;
}
.t-facts dt {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--sumi-soft);
  font-size: 11.5px;
  letter-spacing: .15em;
  margin-top: 9px;
}
.t-facts dt:first-child { margin-top: 0; }
.t-facts dd { margin: 0; }
.t-links { margin-top: 12px; }
.t-links a {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--sen);
  font-weight: 600;
}

.load-more-wrap { text-align: center; margin-top: 32px; }
.load-more-wrap .btn { min-width: 240px; }
.empty-message {
  text-align: center;
  color: var(--sumi-soft);
  padding: 48px 0;
  font-size: 14px;
  font-family: var(--font-serif);
  letter-spacing: .1em;
}

/* ---------- プレイヤー ---------- */
.player-grid { gap: 20px; }
.player-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.player-card img { height: 100%; object-fit: cover; }
.player-body { padding: 24px; }
.player-body h3 { font-size: 18px; font-weight: 800; letter-spacing: .06em; margin-bottom: 8px; }
.player-body p { font-size: 13px; color: var(--sumi-soft); }
.player-highlight {
  display: inline-block;
  background: var(--sen-pale);
  color: var(--sen);
  border: 1px solid rgba(13, 86, 84, .25);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .1em;
  padding: 2px 12px;
  border-radius: 2px;
  margin-bottom: 10px;
}

/* ---------- WEBアプリ ---------- */
.section-apps {
  background: var(--washi-soft);
  border-block: 1px solid var(--line);
}
.app-list { gap: 28px; }
.app-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.app-card:nth-child(even) .app-visual { order: 2; }
.app-visual img {
  border-radius: 2px;
  border: 1px solid var(--line);
  width: 100%;
  box-shadow: 8px 8px 0 0 var(--sen-pale);
}
.app-card:nth-child(even) .app-visual img { box-shadow: -8px 8px 0 0 var(--beni-pale); }
.app-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.app-body h3 { font-size: 22px; font-weight: 800; letter-spacing: .06em; margin-bottom: 4px; }
.app-tagline {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--sen);
  letter-spacing: .1em;
  margin-bottom: 14px;
}
.app-body p { font-size: 13.5px; color: var(--sumi-soft); margin-bottom: 20px; }

/* ---------- 小説 ---------- */
.novel-grid { gap: 20px; }
.novel-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.novel-card:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(44, 51, 49, .12); }
.novel-card img { aspect-ratio: 3 / 4; object-fit: cover; }
.novel-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 7px; flex: 1; }
.novel-length {
  font-family: var(--font-serif);
  font-size: 12px;
  font-weight: 600;
  color: var(--beni);
  letter-spacing: .2em;
}
.novel-body h3 { font-size: 19px; font-weight: 800; letter-spacing: .08em; }
.novel-body p { font-size: 13px; color: var(--sumi-soft); flex: 1; }
.novel-caution {
  font-size: 11px;
  color: #8a5a2a;
  background: #f8efe0;
  border: 1px solid #e8d9bd;
  border-radius: 2px;
  padding: 4px 10px;
}

/* ---------- 解説記事 ---------- */
.article-cat-grid { gap: 20px; }
.article-cat-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--beni);
  border-radius: var(--radius);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.article-cat-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.article-cat-head h3 { font-size: 18px; font-weight: 800; letter-spacing: .06em; }
.article-cat-count {
  font-family: var(--font-serif);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--beni);
  letter-spacing: .1em;
  white-space: nowrap;
}
.article-cat-card > p { font-size: 13px; color: var(--sumi-soft); }
.article-samples { list-style: none; display: flex; flex-direction: column; gap: 2px; flex: 1; }
.article-samples li {
  font-size: 12.5px;
  padding: 8px 0 8px 18px;
  border-bottom: 1px dashed var(--line);
  position: relative;
  line-height: 1.7;
}
.article-samples li::before {
  content: "";
  position: absolute;
  left: 2px; top: 15px;
  width: 6px; height: 6px;
  background: var(--sen);
  border-radius: 1px;
  transform: rotate(45deg);
}
.article-samples a { color: inherit; text-decoration: none; }
.article-samples a:hover { color: var(--sen); }
.article-cat-more {
  align-self: flex-start;
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 600;
  color: var(--sen);
  letter-spacing: .08em;
  text-decoration: none;
}
.article-cat-more:hover { text-decoration: underline; }

/* ---------- About ---------- */
.section-about {
  background: var(--seigaiha-light), var(--sen-dark);
  color: #f3efe4;
}
.about-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 44px;
  align-items: center;
}
.about-avatar img { border-radius: 50%; border: 3px solid rgba(243, 239, 228, .25); }
.about-body .section-en,
.about-body .section-kicker { color: #a8c5be; }
.about-body h2 { font-size: 32px; font-weight: 800; letter-spacing: .18em; margin-bottom: 16px; }
.about-body > p { color: rgba(243, 239, 228, .82); font-size: 14.5px; max-width: 40em; }
.about-links { display: flex; gap: 14px; flex-wrap: wrap; margin: 26px 0 14px; }
.section-about .btn-ghost { color: #f3efe4; border-color: rgba(243, 239, 228, .6); }
.section-about .btn-ghost:hover { background: #f3efe4; color: var(--sen-dark); }
.about-note { font-size: 13px; color: rgba(243, 239, 228, .55); }

/* ---------- フッター ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--seigaiha-dark), var(--washi);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 30px;
  padding-bottom: 30px;
}
.footer-brand {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: .12em;
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-seal {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  background: var(--beni);
  color: #fff;
  font-family: var(--font-serif);
  font-size: 13px;
  border-radius: 4px;
  transform: rotate(-4deg);
  box-shadow: inset 0 0 0 1.2px rgba(255, 255, 255, .35);
}
.footer-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-nav a {
  font-family: var(--font-serif);
  font-size: 13px;
  text-decoration: none;
  color: var(--sumi-soft);
  letter-spacing: .08em;
}
.footer-nav a:hover { color: var(--sen); }
.footer-copy {
  font-family: var(--font-serif);
  font-size: 12.5px;
  color: var(--sumi-soft);
  letter-spacing: .1em;
}

/* ---------- カルーセル（全画面サイズ共通） ---------- */
.carousel-wrap {
  position: relative;
  overflow: visible;
}
.carousel-wrap--featured { margin-bottom: 60px; }

.carousel-track {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track > * {
  scroll-snap-align: start;
  flex: 0 0 auto;
}

/* PC：2枚前後＋次をのぞき見（はみ出しを確保してボタンを出す） */
.pillar-grid.carousel-track .pillar-card { width: calc(32% - 10px); min-width: 240px; }
.featured-grid.carousel-track .featured-card { width: calc(48% - 10px); min-width: 300px; }
.player-grid.carousel-track .player-card { width: calc(52% - 10px); min-width: 360px; }
.app-list.carousel-track .app-card { width: calc(72% - 10px); min-width: 520px; }
.novel-grid.carousel-track .novel-card { width: calc(38% - 10px); min-width: 240px; }
.article-cat-grid.carousel-track .article-cat-card { width: calc(48% - 10px); min-width: 340px; }

.carousel-btn {
  position: absolute;
  top: 50%;
  z-index: 6;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  border: 1.5px solid var(--line);
  border-radius: 50%;
  background: rgba(252, 250, 244, .96);
  color: var(--sen);
  cursor: pointer;
  transform: translateY(-50%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .2s ease, visibility .2s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
  box-shadow: 0 4px 18px rgba(44, 51, 49, .16);
}
.carousel-btn-icon {
  display: block;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.carousel-btn-next .carousel-btn-icon { transform: translateX(1px); }
.carousel-btn-prev .carousel-btn-icon { transform: translateX(-1px); }
.carousel-btn-prev { left: 8px; }
.carousel-btn-next { right: 8px; }

/* はみ出すとき：常にうっすら表示、ホバーでくっきり */
.carousel-wrap--scrollable .carousel-btn:not(.is-hidden) {
  opacity: .58;
  visibility: visible;
  pointer-events: auto;
}
.carousel-wrap--scrollable:hover .carousel-btn:not(.is-hidden),
.carousel-wrap--scrollable .carousel-btn:not(.is-hidden):hover,
.carousel-wrap--scrollable .carousel-btn:not(.is-hidden):focus-visible {
  opacity: .95;
  background: var(--paper);
  border-color: var(--sen);
  box-shadow: 0 6px 22px rgba(44, 51, 49, .2);
}
.carousel-btn.is-hidden {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

/* ---------- レスポンシブ ---------- */

/* ===== タブレット（〜960px）：段組みを整理 ===== */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "head"
      "visual"
      "tail";
    gap: 24px;
    padding-top: 52px;
  }
  .hero-block-head,
  .hero-block-tail { align-self: auto; }
  .hero-visual { align-self: auto; }

  .about-card { grid-template-columns: 1fr; text-align: center; }
  .about-avatar { margin: 0 auto; width: 180px; }
  .about-links { justify-content: center; }
  .about-body .section-kicker { justify-content: center; }
  .t-detail-grid { grid-template-columns: 1fr; }
  .filter-panel { position: static; }

  /* カルーセル：中間幅でもボタンが見切れないよう余白確保 */
  .carousel-wrap {
    margin-inline: -24px;
  }
  .carousel-track {
    scroll-padding-inline: 24px;
    padding-inline: 24px;
  }
  .carousel-wrap--scrollable .carousel-btn:not(.is-hidden) { opacity: .65; }
  .carousel-btn { width: 42px; height: 42px; }
  .carousel-btn-next { right: 12px; }
  .carousel-btn-prev { left: 12px; }

  .global-nav {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    background: var(--washi);
    border-bottom: 1px solid var(--line);
    padding: 12px 24px 20px;
    display: none;
  }
  .global-nav.open { display: flex; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: none;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    cursor: pointer;
    align-items: center;
  }
  .nav-toggle span { width: 18px; height: 1.5px; background: var(--sumi); display: block; }
}

/* ===== スマホ（〜640px）：横スワイプのスライドに最適化 ===== */
@media (max-width: 640px) {
  .section { padding: 58px 0; }
  .section-head { margin-bottom: 28px; }
  .sub-heading { margin-bottom: 14px; }

  /* 統計バンドを 2×2 タイルに */
  .stats-band { display: grid; grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 22px 12px; min-width: 0; }
  .stat + .stat { border-left: none; }
  .stat:nth-child(odd)  { border-right: 1px solid rgba(243, 239, 228, .18); }
  .stat:nth-child(n+3)  { border-top: 1px solid rgba(243, 239, 228, .18); }
  .stat-num { font-size: 30px; }

  /* --- カルーセル：画面端まで見せて、次カードをのぞき見 --- */
  .carousel-wrap {
    margin-inline: -24px;
  }
  .carousel-track {
    gap: 12px;
    scroll-padding-inline: 24px;
    margin-inline: 0;
    padding: 4px 24px 20px;
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
  }
  .carousel-btn-icon { width: 13px; height: 13px; }
  .carousel-btn-next { right: 12px; }
  .carousel-btn-prev { left: 12px; }

  /* 狭い幅でも次へボタンを常時表示（タッチ端末向け） */
  .carousel-wrap--scrollable .carousel-btn:not(.is-hidden) {
    opacity: .72;
  }

  .pillar-grid.carousel-track .pillar-card { width: calc(72% - 8px); min-width: 0; }
  .featured-grid.carousel-track .featured-card { width: calc(84% - 8px); min-width: 0; }
  .player-grid.carousel-track .player-card { width: calc(86% - 8px); min-width: 0; grid-template-columns: 1fr; }
  .player-grid.carousel-track .player-card img { height: 190px; width: 100%; object-fit: cover; }
  .app-list.carousel-track .app-card { width: calc(86% - 8px); min-width: 0; grid-template-columns: 1fr; gap: 18px; padding: 22px; }
  .app-list.carousel-track .app-card:nth-child(even) .app-visual { order: 0; }
  .app-visual img, .app-list.carousel-track .app-card:nth-child(even) .app-visual img { box-shadow: 6px 6px 0 0 var(--sen-pale); }
  .novel-grid.carousel-track .novel-card { width: calc(45% - 8px); min-width: 0; }
  .article-cat-grid.carousel-track .article-cat-card { width: calc(85% - 8px); min-width: 0; }

  .pillar-card,
  .featured-card,
  .player-card,
  .app-card,
  .novel-card,
  .article-cat-card {
    scroll-snap-align: start;
    flex: 0 0 auto;
  }
  .carousel-wrap--featured { margin-bottom: 26px; }
  .t-card-head { grid-template-columns: 1fr; gap: 6px; }
  .t-badges { justify-content: flex-start; }

  .filter-row-search {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .result-count { align-self: flex-end; }

  /* のぞき見に加えて「スワイプ」を明示 */
  .swipe-hint {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 6px;
    font-family: var(--font-serif);
    font-size: 11.5px;
    letter-spacing: .16em;
    color: var(--sumi-soft);
    margin: -4px 0 10px;
  }
  .swipe-hint span {
    display: inline-block;
    animation: swipe-nudge 1.4s ease-in-out infinite;
  }
  @keyframes swipe-nudge {
    0%, 100% { transform: translateX(0); opacity: .6; }
    50% { transform: translateX(5px); opacity: 1; }
  }
}

/* スワイプ案内はスマホでのみ表示 */
.swipe-hint { display: none; }