/* =========================================================
   カンマダン — 韓国料理・薬膳・薬膳茶 教室サイト
   共通スタイル
   ========================================================= */

:root {
  --bg: #fbf6ee;
  --bg-soft: #f4ede0;
  --paper: #ffffff;

  --text: #2a221c;
  --text-soft: #5e5246;
  --text-mute: #756553;      /* WCAG AA (5.2:1 on --bg, 4.8:1 on --bg-soft) */
  --line: #e3d8c2;
  --line-strong: #c8b99c;
  --line-input: #94836a;     /* 入力欄の枠線 (WCAG 1.4.11: 3.68:1 on #fff / 3.42:1 on --bg) */

  --accent: #b34a2e;         /* 朱色 / vermilion */
  --accent-deep: #8d3a23;
  --accent-soft: #f6e4da;

  --herb: #5a7344;           /* 薬膳の緑 (AA調整済) */
  --herb-soft: #e6ede0;
  --gold: #c98a3d;

  --serif: "Noto Serif JP", "Yu Mincho", "游明朝", serif;
  --sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue",
    "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  /* 和文が混ざるラベルでは、OS標準の等幅和文フォントに落ちないよう Noto Sans JP を挟む */
  --mono: "JetBrains Mono", "SF Mono", "Menlo", "Noto Sans JP", monospace;

  --max: 1100px;
  --max-text: 720px;
  --pad-x: clamp(1.25rem, 4vw, 2.75rem);
  --nav-h: 68px;

  --radius: 4px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
  background: var(--bg);
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
svg { display: block; }

/* display 指定を持つ要素でも hidden 属性を必ず優先する */
[hidden] { display: none !important; }

::selection { background: var(--accent-soft); color: var(--accent-deep); }

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
a:hover { color: var(--accent-deep); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

[id] { scroll-margin-top: calc(var(--nav-h) + 1.25rem); }

/* 見出しの行末一文字落ち(「〜くださ/い。」等)を防ぐ。非対応ブラウザでは単に無視される */
h1, h2, h3 { text-wrap: balance; }
/* 語中での泣き別れを避けたい語を原子化する(折返しはスパン境界でのみ起こる)
   ※balanceは<br>入りの見出しに効かないブラウザがあるため、その補完 */
.keep { display: inline-block; }

/* フォームパネルへのアンカー着地(#inquiry/#apply)では、直上の切替タブが
   固定ヘッダーに隠れないよう、タブ列の高さぶん余白を深く取る */
.form-panel { scroll-margin-top: calc(var(--nav-h) + 5.5rem); }
/* JSが直リンク着地時にタブ行へスクロールを合わせる(site.js)。その基準余白 */
.form-tabs { scroll-margin-top: calc(var(--nav-h) + 1rem); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  top: -48px; left: 1rem;
  background: var(--text);
  color: var(--bg);
  padding: 0.5rem 1rem;
  z-index: 1000;
  border-radius: 0 0 var(--radius) var(--radius);
}
.skip-link:focus { top: 0; color: var(--bg); }

/* ---------- Layout ---------- */
.container {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.container-text {
  max-width: var(--max-text);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

main { padding-top: var(--nav-h); }

section {
  padding-block: clamp(3.5rem, 9vw, 6.5rem);
  position: relative;
}

.section-soft { background: var(--bg-soft); }

/* ---------- Navigation ---------- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(251, 246, 238, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  z-index: 50;
}

.site-nav-inner {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-logo {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.site-logo:hover { color: var(--text); opacity: 0.7; }
.site-logo-mark {
  flex: none;
  width: 34px;
  height: 34px;
  display: block;
}
.site-logo-mark svg { width: 100%; height: 100%; }
.site-logo-words {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}
.site-logo .en {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: clamp(0.85rem, 2.5vw, 1.85rem);
  align-items: center;
}
.nav-menu a {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-soft);
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
}
.nav-menu a:hover { color: var(--text); }
.nav-menu a.is-current {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* ヘッダー内CTA(お問い合わせ) */
.nav-menu a.nav-cta {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  font-size: 0.78rem;
}
.nav-menu a.nav-cta:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #fff;
}
.nav-menu a.nav-cta.is-current {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
}

/* Hamburger (JS有効時・モバイルのみ表示) */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  margin-right: -8px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
}
.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.is-open .nav-toggle-bar:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.is-open .nav-toggle-bar:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

@media (max-width: 53.75em) /* =860px@16px。フォント設定に追従してナビ崩壊を防ぐ */ {
  .js .nav-toggle { display: flex; }

  .js .site-nav nav {
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(60, 40, 20, 0.08);
    display: none;
    /* 横向きスマホなど低い画面でも全項目に届くよう内部スクロールを許可 */
    max-height: calc(100vh - var(--nav-h));
    max-height: calc(100dvh - var(--nav-h));
    overflow-y: auto;
  }
  .js .site-nav.is-open nav { display: block; }

  .js .nav-menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem var(--pad-x) 1.25rem;
  }
  .js .nav-menu a {
    display: block;
    font-size: 0.95rem;
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--line);
  }
  .js .nav-menu li:last-child a { border-bottom-color: transparent; }
  .js .nav-menu a.is-current { color: var(--accent); }
  .js .nav-menu a.nav-cta {
    display: flex;
    justify-content: center;
    margin-top: 0.85rem;
    padding: 0.75rem 1.4rem;
    border-radius: 999px;
    color: #fff;
    text-align: center;
  }
  .js .nav-menu a.nav-cta.is-current { color: #fff; }

  /* JS無効時のフォールバック: ヘッダーの固定を解除し、リンクを折り返して全て表示 */
  html:not(.js) .site-nav { position: static; height: auto; }
  html:not(.js) .site-nav-inner {
    height: auto;
    flex-wrap: wrap;
    padding-block: 0.75rem;
    row-gap: 0.4rem;
  }
  html:not(.js) main { padding-top: 0; }
  .nav-menu { flex-wrap: wrap; gap: 0.4rem 0.7rem; }
  .nav-menu a { font-size: 0.7rem; letter-spacing: 0.03em; }
  .nav-menu a.nav-cta { padding: 0.3rem 0.7rem; }
}

/* ---------- Hero (split: text + visual) ---------- */
.hero {
  padding-block: clamp(4rem, 10vw, 7rem) clamp(3rem, 7vw, 5rem);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-tagline {
  max-width: 38ch;
  font-size: 1rem;
  color: var(--text-soft);
  line-height: 2;
  margin-bottom: 1.5rem;
}

.hero-creds {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.25rem;
}
.hero-creds .cred {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text-soft);
  background: var(--paper);
}

.hero-actions {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

/* Hero visual (inline SVG) */
.hero-visual {
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: 0 24px 60px rgba(90, 50, 25, 0.12);
}
.hero-visual svg { width: 100%; height: auto; }

/* ---------- Anchor nav (page-head 内のページ内リンク) ---------- */
.anchor-nav {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.anchor-nav a {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  padding: 0.4rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text-soft);
  background: var(--paper);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.anchor-nav a::after { content: " ↓"; font-size: 0.75em; color: var(--text-mute); }
.anchor-nav a:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Steps (参加までの流れ・3カラム) ---------- */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.steps li {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 1.6rem 1.6rem 1.5rem;
}
.steps .step-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.65rem;
}
.steps h3 {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.45rem;
  color: var(--text);
}
.steps p {
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.85;
}
@media (max-width: 53.75em) {
  .steps { grid-template-columns: 1fr; }
}

/* ---------- Service topics (テーマ例チップ) ---------- */
.service-topics {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem;
}
.service-topics .topics-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-right: 0.2rem;
}
.service-topics .topic {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-mute);
  background: var(--bg);
}

/* ---------- 404 quick links ---------- */
.error-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.6rem;
  justify-content: center;
  margin-top: 2.25rem;
}
.error-links a {
  font-size: 0.9rem;
  color: var(--text-soft);
  text-decoration: underline;
  text-underline-offset: 0.25em;
  text-decoration-color: rgba(179, 74, 46, 0.35);
}
.error-links a:hover { color: var(--accent); }

/* ---------- Breadcrumb (visible) ---------- */
.breadcrumb { margin-bottom: 1.5rem; }
.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--text-mute);
}
.breadcrumb li + li::before {
  content: "›";
  margin-right: 0.55rem;
  color: var(--line-strong);
}
.breadcrumb a { color: var(--text-mute); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb [aria-current] { color: var(--text-soft); }

/* ---------- Tri-dots (ブランドモチーフ: 朱・金・緑) ---------- */
.tri-dots {
  display: flex;
  gap: 0.55rem;
  justify-content: center;
  margin-top: 1.75rem;
}
.tri-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}
.tri-dots span:nth-child(2) { background: var(--gold); }
.tri-dots span:nth-child(3) { background: var(--herb); }
.cta .tri-dots { margin: 0 0 1.4rem; }
.cta .tri-dots span { background: #ff8c66; }
.cta .tri-dots span:nth-child(2) { background: #d9a05f; }
.cta .tri-dots span:nth-child(3) { background: #9db786; }

/* ---------- Page header (sub pages) ---------- */
.page-head {
  padding-block: clamp(3rem, 8vw, 5rem) clamp(2rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
  position: relative;
  overflow: hidden;
}
.page-head > * { position: relative; }
.page-head-mark {
  position: absolute;
  right: clamp(0px, 4vw, 64px);
  bottom: -24px;
  width: 200px;
  height: 200px;
  /* 一対のトルハルバン(玄武岩の石像)と불로초(霊芝)、草。ヒーローの住人を各ページの角に */
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 200' fill='none' stroke-linecap='round' stroke-linejoin='round'%3E%3Cg transform='translate(58 176) scale(1.05)'%3E%3Cg stroke='%236b5a48' stroke-width='2'%3E%3Cpath d='M-24 2L24 2L21 10L-21 10Z' fill='rgba(107,90,72,0.12)'/%3E%3Cpath d='M-14 -96C-19 -78 -20 -60 -17 -48C-23 -40 -25 -26 -23 -14C-21 -4 -16 1 -9 2L9 2C16 1 21 -4 23 -14C25 -26 23 -40 17 -48C20 -60 19 -78 14 -96' fill='rgba(107,90,72,0.10)'/%3E%3Cpath d='M-16 -98c0-10 32-10 32 0' fill='rgba(107,90,72,0.16)'/%3E%3Cpath d='M-20 -96c8-3.5 32-3.5 40 0'/%3E%3Cellipse cx='-8.5' cy='-74' rx='4' ry='4.8' fill='%236b5a48' stroke='none'/%3E%3Cellipse cx='8.5' cy='-74' rx='4' ry='4.8' fill='%236b5a48' stroke='none'/%3E%3Cpath d='M-4.5 -68c-1.5 8-1 12 4.5 12c5.5 0 6-4 4.5-12' stroke-width='1.8'/%3E%3Cpath d='M-6 -47c4 3 8 3 12 0' stroke-width='1.8'/%3E%3Cpath d='M-20 -34C-12 -40 12 -40 20 -34' stroke-width='1.8'/%3E%3Cpath d='M3 -37l1 7'/%3E%3Cpath d='M7.5 -37.5l1 7'/%3E%3Cpath d='M12 -37l1 6'/%3E%3Cpath d='M-21 -22C-10 -28 10 -28 21 -22' stroke-width='1.8'/%3E%3Cpath d='M-12 -25l1 7'/%3E%3Cpath d='M-7.5 -25.5l1 7'/%3E%3Cpath d='M-3 -25l1 6'/%3E%3Cg fill='%236b5a48' stroke='none' opacity='.5'%3E%3Ccircle cx='-13' cy='-88' r='1'/%3E%3Ccircle cx='15' cy='-64' r='1'/%3E%3Ccircle cx='-17' cy='-40' r='1'/%3E%3Ccircle cx='14' cy='-12' r='1'/%3E%3Ccircle cx='-6' cy='-7' r='1'/%3E%3C/g%3E%3C/g%3E%3C/g%3E%3Cg transform='translate(121 176) scale(-0.92 0.92)'%3E%3Cg stroke='%236b5a48' stroke-width='2'%3E%3Cpath d='M-24 2L24 2L21 10L-21 10Z' fill='rgba(107,90,72,0.12)'/%3E%3Cpath d='M-14 -96C-19 -78 -20 -60 -17 -48C-23 -40 -25 -26 -23 -14C-21 -4 -16 1 -9 2L9 2C16 1 21 -4 23 -14C25 -26 23 -40 17 -48C20 -60 19 -78 14 -96' fill='rgba(107,90,72,0.10)'/%3E%3Cpath d='M-16 -98c0-10 32-10 32 0' fill='rgba(107,90,72,0.16)'/%3E%3Cpath d='M-20 -96c8-3.5 32-3.5 40 0'/%3E%3Cellipse cx='-8.5' cy='-74' rx='4' ry='4.8' fill='%236b5a48' stroke='none'/%3E%3Cellipse cx='8.5' cy='-74' rx='4' ry='4.8' fill='%236b5a48' stroke='none'/%3E%3Cpath d='M-4.5 -68c-1.5 8-1 12 4.5 12c5.5 0 6-4 4.5-12' stroke-width='1.8'/%3E%3Cpath d='M-6 -47c4 3 8 3 12 0' stroke-width='1.8'/%3E%3Cpath d='M-20 -34C-12 -40 12 -40 20 -34' stroke-width='1.8'/%3E%3Cpath d='M3 -37l1 7'/%3E%3Cpath d='M7.5 -37.5l1 7'/%3E%3Cpath d='M12 -37l1 6'/%3E%3Cpath d='M-21 -22C-10 -28 10 -28 21 -22' stroke-width='1.8'/%3E%3Cpath d='M-12 -25l1 7'/%3E%3Cpath d='M-7.5 -25.5l1 7'/%3E%3Cpath d='M-3 -25l1 6'/%3E%3Cg fill='%236b5a48' stroke='none' opacity='.5'%3E%3Ccircle cx='-13' cy='-88' r='1'/%3E%3Ccircle cx='15' cy='-64' r='1'/%3E%3Ccircle cx='-17' cy='-40' r='1'/%3E%3Ccircle cx='14' cy='-12' r='1'/%3E%3Ccircle cx='-6' cy='-7' r='1'/%3E%3C/g%3E%3C/g%3E%3C/g%3E%3Cg stroke='%236b4a32'%3E%3Cpath d='M158 176c-2-6-2-12 2-17' stroke-width='1.9'/%3E%3Cpath d='M147 158c2-6 10-10 18-8c7 2 10 8 7 12c-3 4-9 5-14 3c-5-2-9-4-11-7z' fill='rgba(165,90,51,0.5)' stroke-width='1.4'/%3E%3Cpath d='M159 155c-2 0-4-2-2-4c1-2 4-1 4 1c0 1-1 3-2 3' stroke-width='.9'/%3E%3Cpath d='M150 161c5 2 11 2 16-1' stroke-width='.9' opacity='.7'/%3E%3Cpath d='M176 176c0-4 1-7 3-10' stroke-width='1.6'/%3E%3Cpath d='M171 165c2-4 7-7 11-4c3 2 4 6 1 8c-3 2-7 1-9-1c-2-1-3-2-3-3z' fill='rgba(165,90,51,0.45)' stroke-width='1.2'/%3E%3C/g%3E%3Cg stroke='%237a9a5c' stroke-width='1.3' opacity='.8'%3E%3Cpath d='M26 190c3-6 5-11 5-16'/%3E%3Cpath d='M34 190c2-5 2-9 2-13'/%3E%3Cpath d='M188 190c-3-6-4-11-4-16'/%3E%3Cpath d='M181 190c1-4 2-8 2-12'/%3E%3C/g%3E%3C/svg%3E") no-repeat center / contain;
  opacity: 0.8;
  /* 揺れの支点は台座の中央 */
  transform-origin: 50% 96%;
}
/* カーソルを合わせると、こつんと押されたようにそっと揺れて静まる。
   JS(site.js)は途中でカーソルが離れても最後まで揺れきるよう .is-swaying を補助する */
.page-head-mark:hover,
.page-head-mark.is-swaying {
  animation: mark-sway 2.4s ease-in-out;
}
@keyframes mark-sway {
  0%   { transform: rotate(0deg); }
  16%  { transform: rotate(3.5deg); }
  38%  { transform: rotate(-2.5deg); }
  60%  { transform: rotate(1.5deg); }
  80%  { transform: rotate(-0.7deg); }
  100% { transform: rotate(0deg); }
}
@media (prefers-reduced-motion: reduce) {
  .page-head-mark:hover,
  .page-head-mark.is-swaying { animation: none; }
}
@media (max-width: 1000px) {
  .page-head-mark { display: none; }
}
.page-head-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.page-title {
  font-family: var(--serif);
  font-size: clamp(1.85rem, 4.5vw, 2.6rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
}
.page-lead {
  color: var(--text-soft);
  max-width: 60ch;
  line-height: 2;
}

/* ---------- Section heading ---------- */
.section-head {
  margin-bottom: 2.5rem;
}
.section-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text);
  line-height: 1.5;
}
.section-title em { font-style: italic; color: var(--accent); }

.hero-title, .page-title, .section-title { text-wrap: balance; }

/* ---------- Concept block (centered, large) ---------- */
.concept {
  text-align: center;
  padding-block: clamp(3.5rem, 9vw, 6rem);
}
.concept-quote {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2.6vw, 1.85rem);
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.04em;
  color: var(--text);
  margin-inline: auto;
}
.concept-quote .np { display: inline-block; }
.concept-quote em {
  font-style: italic;
  color: var(--accent);
  display: inline-block;
  padding-bottom: 0.1em;
  border-bottom: 1px solid var(--accent);
}

/* ---------- Body text ---------- */
.prose p {
  margin-bottom: 1.25rem;
  color: var(--text-soft);
  line-height: 2;
}
.prose p:last-child { margin-bottom: 0; }
.prose ul {
  margin: 0.5rem 0 1.5rem 1.25rem;
  color: var(--text-soft);
}
.prose ul li {
  margin-bottom: 0.45rem;
  line-height: 1.85;
}
.prose a {
  text-decoration: underline;
  text-underline-offset: 0.25em;
  text-decoration-color: rgba(179, 74, 46, 0.4);
  text-decoration-thickness: 1px;
}
.prose a:hover { text-decoration-color: var(--accent-deep); }

/* .prose 外の本文中インラインリンクも、色だけに頼らず下線を付ける(WCAG 1.4.1) */
.news-body p a,
.feature-list .body p a,
.aside-block p a,
.form-note a,
.def-list .val a {
  text-decoration: underline;
  text-underline-offset: 0.25em;
  text-decoration-color: rgba(179, 74, 46, 0.4);
  text-decoration-thickness: 1px;
}
.news-body p a:hover,
.feature-list .body p a:hover,
.aside-block p a:hover,
.form-note a:hover,
.def-list .val a:hover { text-decoration-color: var(--accent-deep); }
.prose h2 {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text);
  margin: 2rem 0 0.75rem;
}
.prose .note-date { margin-top: 2rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  border: 1px solid var(--text);
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease);
}
.btn:hover { background: var(--text); color: var(--bg); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #fff;
}

.btn-arrow::after {
  content: "→";
  content: "→" / "";
  transition: transform 0.25s var(--ease);
}
.btn-arrow:hover::after { transform: translateX(3px); }

/* ---------- Service cards (2x2) ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(80, 50, 30, 0.08);
}

.service-visual {
  aspect-ratio: 4 / 3;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.service-visual.v-korean {
  background:
    radial-gradient(circle at 30% 35%, rgba(255,255,255,0.5), transparent 55%),
    linear-gradient(140deg, #cf765c, #a25e4b);
}
.service-visual.v-herbal {
  background:
    radial-gradient(circle at 70% 30%, rgba(255,255,255,0.4), transparent 55%),
    linear-gradient(140deg, #94ac80, #6f8561);
}
.service-visual.v-seasonal {
  background:
    radial-gradient(circle at 30% 70%, rgba(255,255,255,0.5), transparent 55%),
    linear-gradient(140deg, #e0ac7a, #b37952);
}
.service-visual.v-consult {
  background:
    radial-gradient(circle at 70% 70%, rgba(255,255,255,0.4), transparent 55%),
    linear-gradient(140deg, #a08c74, #6f614f);
}
.service-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, transparent 0 6px, rgba(0,0,0,0.04) 6px 7px);
  opacity: 0.5;
}
.service-visual .service-kanji {
  position: absolute;
  bottom: 1.1rem; left: 1.25rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.1rem;
  font-weight: 400;
  color: rgba(255,255,255,0.92);
  letter-spacing: 0.02em;
  line-height: 1;
}
.service-emblem {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.service-emblem svg {
  width: 46%;
  max-width: 150px;
  height: auto;
  color: rgba(255, 255, 255, 0.92);
}

.service-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.85rem;
}
.service-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.service-title {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text);
}
.service-desc {
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.85;
  flex: 1;
}
.service-for .for-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}
.service-for ul {
  list-style: none;
  display: grid;
  gap: 0.3rem;
}
.service-for li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.75;
}
.service-for li::before {
  content: "✓";
  position: absolute;
  left: 0.1rem;
  color: var(--herb);
}
.service-meta {
  font-size: 0.82rem;
  color: var(--text-mute);
  border-top: 1px solid var(--line);
  padding-top: 0.85rem;
  margin-top: 0.4rem;
  display: grid;
  gap: 0.3rem;
}
.service-meta dl {
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.3rem 0.75rem;
}
.service-meta dt { color: var(--text-mute); }
.service-meta dd { color: var(--text-soft); }
.service-cta {
  font-size: 0.88rem;
  margin-top: 0.35rem;
}

.service-more {
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.service-card:hover .service-more { color: var(--accent-deep); }

/* カード全体をリンクにする(トップのサービスカード) */
.card-cover-link { color: inherit; }
.card-cover-link::after {
  content: "";
  position: absolute;
  inset: 0;
}
.service-card:hover .card-cover-link { color: var(--accent); }
/* キーボードフォーカス時は、リンク文字ではなくカード全体に枠を出す */
.card-cover-link:focus-visible { outline: none; }
.card-cover-link:focus-visible::after {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Profile (講師紹介) ---------- */

.profile-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.profile-name {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 500;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
}
.profile-name .profile-name-en {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.profile-role {
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}
/* ---------- 三つの視点ベン図 (about) ---------- */
.viewpoint-fig {
  margin: 2.5rem auto 0;
  max-width: 420px;
}
.viewpoint-fig svg { width: 100%; height: auto; }
.viewpoint-cap {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-mute);
  margin-top: 0.75rem;
  line-height: 1.7;
}

/* ---------- Feature list (強み) ---------- */
.feature-list {
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.feature-list li {
  background: var(--paper);
  padding: 1.5rem 1.75rem;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.25rem;
  align-items: baseline;
}
.feature-list .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: 400;
  line-height: 1;
}
.feature-list .body h3 {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text);
}
.feature-list .feature-cred {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.35rem;
}
.feature-list .body p {
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.85;
}

/* ---------- Section lead ---------- */
.section-lead {
  max-width: 640px;
  margin: -1.5rem 0 2.75rem;
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--text-soft);
}

/* ---------- Name origin (屋号の由来) ---------- */
.name-origin {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem 1.4rem;
  margin: 0.5rem 0 2rem;
  padding: 1.9rem 1.5rem;
  border: 1px solid var(--line);
  background: var(--paper);
}
.name-origin .name-part,
.name-origin .name-result {
  display: grid;
  justify-items: center;
  gap: 0.4rem;
  font-family: var(--serif);
  font-size: 1.55rem;
  letter-spacing: 0.06em;
  color: var(--text);
  line-height: 1;
}
.name-origin .name-result { color: var(--accent-deep); }
.name-origin .rt {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--text-mute);
}
.name-origin .name-op {
  color: var(--line-strong);
  font-size: 1.15rem;
}

/* ---------- Check list (こんな方に) ---------- */
.check-list {
  list-style: none;
  display: grid;
  gap: 0.55rem;
  margin-bottom: 2rem;
}
.check-list li {
  position: relative;
  padding-left: 1.6rem;
  font-size: 0.95rem;
  color: var(--text-soft);
  line-height: 1.85;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0.1rem;
  color: var(--herb);
}

/* ---------- Qualification cards (講師紹介) ---------- */
.qual-list {
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-bottom: 2.5rem;
}
.qual-list li {
  background: var(--paper);
  padding: 1.5rem 1.75rem;
}
.qual-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem 0.75rem;
  margin-bottom: 0.55rem;
}
.qual-head h3 {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
}
.qual-badge {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: #52693e; /* --herb より一段濃い緑 (AA: 5.09 on --herb-soft) */
  background: var(--herb-soft);
  border-radius: 999px;
  padding: 0.22rem 0.7rem;
  white-space: nowrap;
}
.qual-desc {
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.85;
}
.qual-use {
  margin-top: 0.8rem;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--line);
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.85;
}
.qual-use-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-right: 0.6rem;
}

/* ---------- News list ---------- */
.news-list {
  list-style: none;
  border-top: 1px solid var(--line);
}
.news-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 8rem auto 1fr;
  gap: 1.5rem;
  align-items: baseline;
}
.news-date {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-mute);
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
}
.news-cat {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  text-align: center;
  justify-self: start;
  white-space: nowrap;
}
.news-cat.cat-event { color: var(--herb); border-color: var(--herb); }
.news-cat.cat-info { color: var(--text-mute); border-color: var(--line-strong); }
.news-body h3 a { color: inherit; }
.news-body h3 a:hover { color: var(--accent); }
.news-body h3 {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--text);
}
.news-body p {
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 1.85;
}
.news-note {
  margin-top: 2.5rem;
  font-size: 0.9rem;
  color: var(--text-mute);
  border-left: 2px solid var(--line-strong);
  padding-left: 1rem;
  line-height: 1.85;
}

/* ---------- Definition list ---------- */
.def-list {
  list-style: none;
  border-top: 1px solid var(--line);
  margin-bottom: 2.5rem;
}
.def-list li {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.def-list .key { color: var(--text-mute); letter-spacing: 0.05em; }
.def-list .val { color: var(--text); }
.def-list .val-note {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-mute);
}

/* ---------- Timeline ---------- */
.timeline {
  list-style: none;
  border-left: 1px solid var(--line-strong);
  padding-left: 1.5rem;
  margin-block: 0.5rem 1rem;
}
.timeline li {
  position: relative;
  padding-block: 0.6rem;
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1.25rem;
  align-items: baseline;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -1.55rem; top: 1.05rem;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--accent);
}
.timeline .when {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-mute);
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
}
.timeline .what { color: var(--text); }
.timeline--plain li { grid-template-columns: 1fr; }

/* ---------- Form ---------- */
.form { display: grid; gap: 1.5rem; }
.form-row { display: grid; gap: 0.5rem; min-width: 0; }
.form label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.04em;
}
.form .required {
  white-space: nowrap; /* バッジ内で「必/須」と折れないように */
  color: var(--accent);
  font-size: 0.78em;
  margin-left: 0.4rem;
}
.form input,
.form textarea,
.form select {
  font-family: inherit;
  font-size: 16px; /* 16px未満だとiOSがフォーカス時に自動ズームするため固定 */
  width: 100%;
  min-width: 0; /* 長い選択肢を持つselectが狭幅ではみ出さないように */
  padding: 0.85rem 1rem;
  background: var(--paper);
  color: var(--text);
  border: 1px solid var(--line-input);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form textarea {
  min-height: 180px;
  resize: vertical;
  line-height: 1.85;
}
.form-note {
  font-size: 0.88rem;
  color: var(--text-mute);
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
  margin-top: 2rem;
  line-height: 1.85;
}
.form-note p { margin-bottom: 0.75rem; }
.form-note p:last-child { margin-bottom: 0; }
.form-success {
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--accent-deep);
  padding: 1.75rem;
  border-radius: var(--radius);
  text-align: center;
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.85;
}
.form-error {
  background: #f9e3dc;
  border: 1px solid var(--accent);
  color: var(--accent-deep);
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---------- Form tabs (inquiry / apply) ---------- */
.form-tabs {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.3rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  margin-bottom: 2.25rem;
}

.form-tab {
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.6rem 1.5rem;
  border: none;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  border-radius: 999px;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}

.form-tab:hover { color: var(--text); }

.form-tab.is-active {
  background: var(--text);
  color: var(--bg);
}

.form-tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 480px) {
  .form-tabs { width: 100%; display: flex; }
  .form-tab { flex: 1; padding-inline: 1rem; }
}

/* JS無効時: 動かない切替タブは隠し、両フォームを見出し付きで縦に並べる */
.form-nojs-title {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text);
}
.js .form-nojs-title { display: none; }
/* ブラウザのフォントサイズ拡大設定でも横スクロールを出さない(WCAG 1.4.10 リフロー):
   グリッドアイテムのmin-width:auto対策+長いoptionを持つselectの収縮+タブの折返し */
.contact-grid > * { min-width: 0; }
.form select { max-width: 100%; }
.form-tabs { flex-wrap: wrap; }

html:not(.js) .form-tabs { display: none; }

/* 極小幅(折りたたみ280px級)やフォント拡大設定でも横スクロールを出さない:
   カードのdt固定列・番号列・余白がmin-contentを押し上げるのを緩める */
@media (max-width: 380px) {
  .service-body { padding-left: 1.25rem; padding-right: 1.25rem; }
  .service-meta dl { grid-template-columns: fit-content(5.5rem) 1fr; }
}
@media (max-width: 340px) {
  .topic { white-space: normal; } /* 長いテーマ例ピルがカードのmin-contentを押し広げないように */
  .feature-list li { grid-template-columns: 2.25rem 1fr; padding: 1.25rem 1.1rem; }
  .qual-list li { padding: 1.25rem 1.1rem; }
  .service-body { padding-left: 1rem; padding-right: 1rem; }
}
html:not(.js) #inquiry {
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.5rem;
}

/* ---------- Contact 2-col layout ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}

.contact-aside {
  display: grid;
  gap: 0;
  padding: 1.75rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
}

.aside-block {
  padding-block: 1.25rem;
}
.aside-block:first-child { padding-top: 0; }
.aside-block:last-child { padding-bottom: 0; }
.aside-block + .aside-block {
  border-top: 1px solid var(--line);
}

.aside-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.aside-block p {
  font-size: 0.88rem;
  color: var(--text-soft);
  line-height: 1.85;
}

.aside-list-bullet {
  list-style: none;
  display: grid;
  gap: 0.55rem;
}
.aside-list-bullet li {
  font-size: 0.88rem;
  color: var(--text-soft);
  padding-left: 1rem;
  position: relative;
  line-height: 1.65;
}
.aside-list-bullet li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.aside-note {
  font-size: 0.8rem;
  color: var(--text-mute);
  margin-top: 0.85rem;
}

/* ---------- Form enhancements ---------- */
.form .optional {
  white-space: nowrap; /* バッジ内で「必/須」と折れないように */
  color: var(--text-mute);
  font-size: 0.78em;
  margin-left: 0.4rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.form-help {
  font-size: 0.8rem;
  color: var(--text-mute);
  margin-top: -0.15rem;
  line-height: 1.65;
}

.form-honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.form-consent label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--text-soft);
  cursor: pointer;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.7;
}
.form-consent input[type="checkbox"] {
  margin-top: 0.25em;
  accent-color: var(--accent);
  width: 1.1em;
  height: 1.1em;
  cursor: pointer;
  flex-shrink: 0;
}
.form-consent a {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.form-submit {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.form button[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
}

.form-success-link {
  margin-top: 0.85rem;
  font-family: var(--sans);
  font-size: 0.88rem;
  font-style: normal;
}
.form-success-link a {
  color: var(--accent-deep);
  border-bottom: 1px solid var(--accent-deep);
  padding-bottom: 0.05em;
}

/* ---------- FAQ accordion ---------- */
.faq-list {
  list-style: none;
  border-top: 1px solid var(--line);
}
.faq-list > li {
  border-bottom: 1px solid var(--line);
}
.faq-list details {
  padding: 1.4rem 0.25rem;
}
.faq-list summary {
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--text);
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "＋";
  content: "＋" / "";
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--accent);
  transition: transform 0.3s var(--ease);
  font-weight: 400;
  flex-shrink: 0;
}
.faq-list details[open] summary::after {
  content: "−";
  content: "−" / "";
}
.faq-list details[open] summary {
  color: var(--accent);
}
.faq-list details > p,
.faq-list details > div {
  margin-top: 0.85rem;
  padding-right: 2rem;
  font-size: 0.92rem;
  color: var(--text-soft);
  line-height: 2;
}

/* ---------- CTA banner ---------- */
.cta {
  background: var(--text);
  color: var(--bg);
  padding-block: clamp(3.5rem, 8vw, 5.5rem);
  text-align: center;
}
.cta-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.cta h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  font-weight: 400;
  line-height: 1.55;
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.cta h2 em { font-style: italic; color: #ff8c66; }
.cta p {
  color: rgba(255,255,255,0.75);
  max-width: 38ch;
  margin: 0 auto 2rem;
  font-size: 0.95rem;
  line-height: 1.85;
}
.cta .btn {
  border-color: var(--bg);
  color: var(--bg);
}
.cta .btn:hover {
  background: var(--bg);
  color: var(--text);
}
.cta .btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.cta .btn-primary:hover {
  background: #ff8c66;
  border-color: #ff8c66;
  color: var(--text);
}
.cta-actions {
  display: flex;
  gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding-block: 3rem 2rem;
}
.site-footer-inner {
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  display: grid;
  gap: 2rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2rem;
}
.footer-brand {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
  color: var(--text);
}
.footer-brand-en {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--text-soft);
  line-height: 1.85;
  max-width: 30ch;
}
.footer-col-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--text-mute);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-col ul {
  list-style: none;
  display: grid;
  gap: 0.5rem;
}
.footer-col a {
  font-size: 0.88rem;
  color: var(--text-soft);
}
.footer-col a:hover { color: var(--text); }
.footer-sns-soon {
  font-size: 0.88rem;
  color: var(--text-mute);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-sns-soon .soon {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.05rem 0.55rem;
  color: var(--text-mute);
}
.footer-copy.footer-copy--plain { border-top: none; padding-top: 0; }
/* 右下固定のページトップボタン(約66px幅)とPrivacy Policyリンクの重なり防止。
   コンテナ余白で重ならなくなるのは実測1144px以上。paddingはフォント拡大設定で
   肥大して極小幅ではみ出さないようclampで抑える */
@media (max-width: 1280px) {
  .footer-copy { padding-right: clamp(64px, 4.5rem, 84px); }
}

.footer-copy {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--text-mute);
  letter-spacing: 0.05em;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- 404 ---------- */
.error-hero {
  text-align: center;
  padding-block: clamp(5rem, 14vw, 9rem);
}
.error-code {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(4rem, 12vw, 7rem);
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 1rem;
}
.error-hero h1 {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3.5vw, 1.9rem);
  font-weight: 500;
  margin-bottom: 1rem;
}
.error-hero p {
  color: var(--text-soft);
  margin-bottom: 2.25rem;
}

/* ---------- Reveal on scroll ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
.reveal-d1 { --reveal-delay: 0.08s; }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--text-soft);
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  z-index: 40;
  box-shadow: 0 6px 20px rgba(60, 40, 20, 0.14);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease),
    visibility 0.3s, color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.to-top:hover { color: var(--accent); border-color: var(--accent); }
@media print { .to-top { display: none !important; } }

/* ---------- Utility ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.mt-l { margin-top: 2.5rem; }
.text-mute { color: var(--text-mute); }
.text-center { text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 53.75em) {
  .hero-grid { grid-template-columns: 1fr; }
  .service-visual { aspect-ratio: 16 / 10; }
  .hero-visual { max-width: 480px; }
  .service-grid { grid-template-columns: minmax(0, 1fr); } /* min-content超過時もトラックを縮めて横スクロールを防ぐ */
  .footer-top { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-aside { position: static; }
}

@media (max-width: 720px) {
  body { font-size: 15px; }
  .site-logo { font-size: 0.95rem; gap: 0.5rem; }
  .site-logo .en { display: none; }
  .site-logo-mark { width: 30px; height: 30px; }
  .qual-list li { padding: 1.25rem 1.15rem; }
  .news-item { grid-template-columns: 1fr; gap: 0.4rem; }
  .news-cat { justify-self: start; }
  .def-list li { grid-template-columns: 1fr; gap: 0.25rem; }
  .timeline li { grid-template-columns: 1fr; gap: 0.25rem; }
  .timeline li::before { top: 0.85rem; }
}

/* ---------- Print ---------- */
@media print {
  .site-nav, .site-footer, .cta, .skip-link, .nav-toggle,
  .page-head-mark { display: none !important; }
  main { padding-top: 0; }
  body { background: #fff; }
  /* スクロール未到達のリビール要素が透明のまま印刷されるのを防ぐ */
  .js [data-reveal] { opacity: 1 !important; transform: none !important; }
  /* 閉じたFAQの回答も印刷対象にする(対応ブラウザのみ。JS有効時はbeforeprintで展開する) */
  .faq-list details::details-content { content-visibility: visible; }
}