@charset "UTF-8";
/* =============================================================================
   TIMELESS INTERIOR  ―  スタイルシート
   -----------------------------------------------------------------------------
   構成
     01. カスタムプロパティ（色・余白・書体などの設定値）
     02. リセット & ベース
     03. タイポグラフィ
     04. レイアウト（container / section / grid）
     05. 部品：ボタン / ラベル / パンくず
     06. ヘッダー & ドロワー
     07. フッター
     08. ページ共通：下層ページヘッダー / CTA
     09. トップページ
     10. コンセプト
     11. サービス
     12. 施工事例（一覧・詳細）
     13. プロフィール
     14. お客様の声
     15. よくあるご質問（アコーディオン）
     16. ご相談の流れ
     17. 料金
     18. コラム（一覧・詳細）
     19. お問い合わせ / 完了 / プライバシーポリシー
     20. スクロール演出
     21. レスポンシブ（900px / 600px）
   -----------------------------------------------------------------------------
   ※ 数値はできるだけこの 01 のカスタムプロパティに集約しています。
     余白や色をまとめて調整したい場合は、まず :root の値を変更してください。
   ========================================================================== */


/* =============================================================================
   01. カスタムプロパティ
   ========================================================================== */
:root {
  /* --- 色 --------------------------------------------------------------- */
  --c-bg:          #faf8f4;  /* 背景（あたたかみのあるオフホワイト） */
  --c-surface:     #ffffff;  /* カード等の面 */
  --c-ink:         #2a2724;  /* 見出し・本文の濃い文字 */
  --c-ink-soft:    #6b655d;  /* 補助テキスト */
  --c-line:        #e5dfd5;  /* 罫線・境界 */
  --c-accent:      #9c6b4e;  /* アクセント（クレイ）／リンク・強調 */
  --c-accent-dark: #7f553c;  /* アクセントのホバー */
  --c-fill:        #f0ece4;  /* うっすらした塗り */

  /* --- 書体 ----------------------------------------------------------- */
  --font-serif: "Shippori Mincho", "Times New Roman", "YuMincho", "Hiragino Mincho ProN", serif;
  --font-sans:  "Zen Kaku Gothic New", -apple-system, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;

  /* --- 幅 ------------------------------------------------------------- */
  --w-container: 1200px;  /* 標準の内容幅 */
  --w-narrow:    760px;   /* 文章主体のページ幅 */
  --w-wide:      1440px;  /* 広めのセクション幅 */
  --gutter:      clamp(20px, 5vw, 64px);  /* 画面左右の余白 */

  /* --- 余白（縦リズム） --------------------------------------------- */
  --section-y:   clamp(72px, 11vw, 160px);   /* セクション上下 */
  --block-y:     clamp(40px, 6vw, 88px);     /* ブロック間 */

  /* --- その他 ------------------------------------------------------- */
  --radius:      2px;      /* 角丸は最小限に */
  --ease:        cubic-bezier(0.22, 1, 0.36, 1);
  --header-h:    84px;
}


/* =============================================================================
   02. リセット & ベース
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.04em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; transition: color 0.3s var(--ease), opacity 0.3s var(--ease); }
a:hover { color: var(--c-accent); }

ul, ol { list-style: none; }

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: none; cursor: pointer; }

::selection { background: var(--c-accent); color: #fff; }

/* スクリーンリーダー専用 */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; border: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}


/* =============================================================================
   03. タイポグラフィ
   ========================================================================== */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 600; line-height: 1.5; letter-spacing: 0.06em; }

.u-serif { font-family: var(--font-serif); }

/* 英字の小見出しラベル（例：CONCEPT） */
.label {
  display: inline-flex; align-items: center; gap: 0.7em;
  font-family: var(--font-serif);
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--c-accent);
}
.label::before { content: ""; width: 34px; height: 1px; background: currentColor; }
.label.is-center::after { content: ""; width: 34px; height: 1px; background: currentColor; }

/* セクション見出しのまとまり */
.headline { margin-bottom: var(--block-y); }
.headline.is-center { text-align: center; }
.headline.is-center .label { justify-content: center; }
.headline__title {
  margin-top: 0.6em;
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  letter-spacing: 0.09em;
}
.headline__lead { margin-top: 1.4em; color: var(--c-ink-soft); font-size: 0.95rem; }
.headline.is-center .headline__lead { margin-left: auto; margin-right: auto; max-width: 620px; }

/* 本文中の見出し（コラム・プライバシー等） */
.prose h2 {
  margin: 2.4em 0 1em; padding-bottom: 0.5em;
  font-size: 1.3rem; border-bottom: 1px solid var(--c-line);
}
.prose h3 { margin: 2em 0 0.8em; font-size: 1.08rem; }
.prose p { margin: 1.2em 0; color: var(--c-ink-soft); }
.prose ul { margin: 1.2em 0; padding-left: 1.3em; list-style: disc; color: var(--c-ink-soft); }
.prose li { margin: 0.5em 0; }
.prose img { margin: 2em 0; }
.prose a { color: var(--c-accent); text-decoration: underline; text-underline-offset: 3px; }
.prose blockquote {
  margin: 2em 0; padding: 1.2em 1.6em;
  border-left: 2px solid var(--c-accent); background: var(--c-fill);
  font-family: var(--font-serif); color: var(--c-ink);
}


/* =============================================================================
   04. レイアウト
   ========================================================================== */
.container { width: 100%; max-width: var(--w-container); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: var(--w-narrow); }
.container--wide   { max-width: var(--w-wide); }

.section { padding-block: var(--section-y); }
.section--tight { padding-block: var(--block-y); }
.section--fill { background: var(--c-fill); }
.section--ink { background: var(--c-ink); color: #d8d2c8; }
.section--ink h1, .section--ink h2, .section--ink h3 { color: #fff; }

.grid { display: grid; gap: clamp(24px, 3vw, 44px); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* 画像＋テキストの横並び */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.split__body { max-width: 460px; }
.split--reverse .split__body { margin-left: auto; }


/* =============================================================================
   05. 部品：ボタン / パンくず
   ========================================================================== */
.btn {
  --btn-fg: #fff; --btn-bg: var(--c-ink); --btn-bd: var(--c-ink);
  display: inline-flex; align-items: center; justify-content: center; gap: 0.9em;
  min-height: 56px; padding: 0 2.4em;
  font-family: var(--font-serif); font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase; white-space: nowrap;
  color: var(--btn-fg); background: var(--btn-bg);
  border: 1px solid var(--btn-bd); border-radius: var(--radius);
  transition: background 0.35s var(--ease), color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.btn:hover { --btn-bg: var(--c-accent); --btn-bd: var(--c-accent); color: #fff; }
.btn__arrow { width: 20px; height: 1px; background: currentColor; position: relative; }
.btn__arrow::after {
  content: ""; position: absolute; right: 0; top: -3px;
  width: 7px; height: 7px; border-top: 1px solid currentColor; border-right: 1px solid currentColor;
  transform: rotate(45deg);
}
.btn--ghost { --btn-fg: var(--c-ink); --btn-bg: transparent; --btn-bd: var(--c-ink); }
.btn--ghost:hover { --btn-fg: #fff; }
.btn--light { --btn-fg: var(--c-ink); --btn-bg: #fff; --btn-bd: #fff; }
.btn--block { display: flex; width: 100%; }

/* テキストリンク（矢印つき） */
.arrow-link {
  display: inline-flex; align-items: center; gap: 0.8em;
  font-family: var(--font-serif); font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
}
.arrow-link::after {
  content: ""; width: 26px; height: 1px; background: currentColor;
  transition: width 0.3s var(--ease);
}
.arrow-link:hover::after { width: 40px; }

/* パンくず */
.breadcrumb { padding-block: 20px; font-size: 0.74rem; letter-spacing: 0.1em; color: var(--c-ink-soft); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.7em; }
.breadcrumb li::after { content: "―"; margin-left: 0.7em; color: var(--c-line); }
.breadcrumb li:last-child::after { content: none; }
.breadcrumb li:last-child { color: var(--c-ink); }


/* =============================================================================
   06. ヘッダー & ドロワー
   ========================================================================== */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background 0.4s var(--ease), height 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.header__inner {
  width: 100%; max-width: var(--w-wide); margin-inline: auto; padding-inline: var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
}
.header__logo { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 600; letter-spacing: 0.24em; }
.header__logo span { display: block; font-size: 0.56rem; letter-spacing: 0.36em; color: var(--c-ink-soft); margin-top: 2px; }

/* 初期状態（写真の上）＝白文字＋上部に薄いスクリムを敷いて可読性を確保 */
.header:not(.is-solid) {
  color: #fff;
  background: linear-gradient(180deg, rgba(20,18,16,0.42), rgba(20,18,16,0));
}
.header:not(.is-solid) .header__logo span { color: rgba(255,255,255,0.72); }

/* スクロール後／下層ページ ＝ 背景あり */
.header.is-solid {
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(8px);
  height: 68px;
  box-shadow: 0 1px 0 var(--c-line);
  color: var(--c-ink);
}

/* PCナビ */
.gnav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 40px); }
.gnav__link {
  position: relative; font-size: 0.8rem; letter-spacing: 0.14em; padding-block: 8px;
}
.gnav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px;
  background: currentColor; transition: width 0.3s var(--ease);
}
.gnav__link:hover::after, .gnav__link[aria-current="page"]::after { width: 100%; }
.gnav__cta {
  margin-left: 8px; padding: 12px 22px;
  border: 1px solid currentColor; font-size: 0.74rem; letter-spacing: 0.18em; text-transform: uppercase;
  font-family: var(--font-serif);
}
.gnav__cta:hover { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }

/* ハンバーガー */
.hamburger { display: none; width: 40px; height: 40px; position: relative; z-index: 120; }
.hamburger span {
  position: absolute; left: 8px; width: 24px; height: 1.5px; background: currentColor;
  transition: transform 0.35s var(--ease), opacity 0.2s var(--ease), top 0.35s var(--ease);
}
.hamburger span:nth-child(1) { top: 14px; }
.hamburger span:nth-child(2) { top: 20px; }
.hamburger span:nth-child(3) { top: 26px; }
body.is-drawer-open .hamburger span { color: var(--c-ink); }
body.is-drawer-open .hamburger span:nth-child(1) { top: 20px; transform: rotate(45deg); }
body.is-drawer-open .hamburger span:nth-child(2) { opacity: 0; }
body.is-drawer-open .hamburger span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* ドロワー本体 */
.drawer {
  position: fixed; inset: 0; z-index: 110;
  background: var(--c-bg);
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--gutter);
  opacity: 0; visibility: hidden; transform: translateY(-12px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), visibility 0.4s;
}
body.is-drawer-open .drawer { opacity: 1; visibility: visible; transform: none; }
.drawer__nav { display: flex; flex-direction: column; gap: 4px; max-width: 420px; margin-inline: auto; width: 100%; }
.drawer__link {
  display: flex; align-items: baseline; gap: 1em;
  padding: 14px 0; border-bottom: 1px solid var(--c-line);
  font-family: var(--font-serif); font-size: 1.15rem; letter-spacing: 0.1em;
}
.drawer__link small { font-size: 0.6rem; letter-spacing: 0.28em; color: var(--c-accent); text-transform: uppercase; }
.drawer__foot { max-width: 420px; margin: 40px auto 0; width: 100%; }
.drawer__foot .btn { width: 100%; }


/* =============================================================================
   07. フッター
   ========================================================================== */
.footer { background: var(--c-ink); color: #b7b0a5; padding-block: clamp(60px, 8vw, 100px) 40px; }
.footer a:hover { color: #fff; }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; }
.footer__brand-name { font-family: var(--font-serif); font-size: 1.2rem; letter-spacing: 0.24em; color: #fff; }
.footer__brand-name span { display: block; font-size: 0.56rem; letter-spacing: 0.36em; margin-top: 4px; color: #8c857a; }
.footer__brand p { margin-top: 1.5em; font-size: 0.82rem; max-width: 30ch; }
.footer__col h4 { font-size: 0.7rem; letter-spacing: 0.24em; text-transform: uppercase; color: #8c857a; margin-bottom: 1.4em; }
.footer__col li { margin: 0.7em 0; font-size: 0.84rem; }
.footer__bottom {
  margin-top: clamp(40px, 6vw, 72px); padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.7rem; letter-spacing: 0.1em; color: #8c857a;
}
.footer__sns { display: flex; gap: 20px; }


/* =============================================================================
   08. ページ共通：下層ページヘッダー / CTA
   ========================================================================== */
.page-hero {
  position: relative; min-height: 46vh; display: flex; align-items: flex-end;
  padding: var(--header-h) 0 clamp(40px, 6vw, 72px);
  color: #fff; overflow: hidden;
}
.page-hero__bg { position: absolute; inset: 0; z-index: -1; }
.page-hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.page-hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(20,18,16,0.55), rgba(20,18,16,0.15)); }
.page-hero__title { font-size: clamp(1.8rem, 4.4vw, 3rem); letter-spacing: 0.12em; }
.page-hero__en { display: block; font-size: 0.72rem; letter-spacing: 0.4em; text-transform: uppercase; margin-bottom: 1em; color: rgba(255,255,255,0.8); }

/* 全ページ末尾の相談導線 */
.cta {
  position: relative; text-align: center; color: #fff; overflow: hidden;
  padding-block: clamp(72px, 10vw, 130px);
}
.cta__bg { position: absolute; inset: 0; z-index: -1; }
.cta__bg img { width: 100%; height: 100%; object-fit: cover; }
.cta__bg::after { content: ""; position: absolute; inset: 0; background: rgba(30,26,22,0.62); }
.cta__title { font-size: clamp(1.5rem, 3.4vw, 2.3rem); letter-spacing: 0.1em; }
.cta__lead { margin: 1.4em auto 2.4em; max-width: 540px; font-size: 0.92rem; color: rgba(255,255,255,0.85); }


/* =============================================================================
   09. トップページ
   ========================================================================== */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  color: #fff; overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; animation: heroZoom 16s var(--ease) forwards; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(105deg, rgba(20,18,16,0.5) 20%, rgba(20,18,16,0.08) 75%); }
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }

.hero__inner { width: 100%; max-width: var(--w-wide); margin-inline: auto; padding-inline: var(--gutter); }
.hero__copy { max-width: 620px; }
.hero__en { font-size: 0.74rem; letter-spacing: 0.42em; text-transform: uppercase; color: rgba(255,255,255,0.82); }
.hero__title {
  margin: 0.9em 0 0.7em; font-size: clamp(2rem, 5.4vw, 3.6rem); font-weight: 600;
  line-height: 1.7; letter-spacing: 0.1em;
}
.hero__lead { font-size: 0.98rem; color: rgba(255,255,255,0.88); max-width: 34ch; }
.hero__actions { margin-top: 2.6em; display: flex; gap: 16px; flex-wrap: wrap; }
.hero__scroll {
  position: absolute; left: 50%; bottom: 28px; transform: translateX(-50%);
  font-size: 0.6rem; letter-spacing: 0.3em; text-transform: uppercase; color: rgba(255,255,255,0.7);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.hero__scroll::after { content: ""; width: 1px; height: 46px; background: rgba(255,255,255,0.6); animation: scrollLine 2s var(--ease) infinite; }
@keyframes scrollLine { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* 導入文（大きめの一文） */
.statement { text-align: center; }
.statement p {
  font-family: var(--font-serif); font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  line-height: 2.4; letter-spacing: 0.12em;
}
.statement .u-accent { color: var(--c-accent); }

/* トップの事例プレビュー */
.work-card { display: block; }
.work-card__media { overflow: hidden; aspect-ratio: 3 / 2; }
.work-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.work-card:hover .work-card__media img { transform: scale(1.05); }
.work-card__meta { display: flex; justify-content: space-between; gap: 12px; margin-top: 1.1em; font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--c-ink-soft); }
.work-card__title { margin-top: 0.5em; font-family: var(--font-serif); font-size: 1.02rem; font-weight: 600; letter-spacing: 0.06em; }

/* サービス一覧（トップ簡易版） */
.service-row { border-top: 1px solid var(--c-line); }
.service-row__item {
  display: grid; grid-template-columns: 88px 1fr auto; gap: 32px; align-items: center;
  padding: 32px 8px; border-bottom: 1px solid var(--c-line);
  transition: padding-inline 0.4s var(--ease), background 0.4s var(--ease);
}
.service-row__item:hover { background: var(--c-surface); padding-inline: 20px; }
.service-row__num { font-family: var(--font-serif); font-size: 0.8rem; letter-spacing: 0.2em; color: var(--c-accent); }
.service-row__name { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600; }
.service-row__desc { font-size: 0.84rem; color: var(--c-ink-soft); margin-top: 0.3em; }
.service-row__more { font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--c-ink-soft); }

/* 数字（実績） */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats__num { font-family: var(--font-serif); font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 600; letter-spacing: 0.04em; }
.stats__num small { font-size: 0.9rem; margin-left: 0.2em; }
.stats__label { margin-top: 0.6em; font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--c-ink-soft); }
.section--ink .stats__label { color: #9a938799; }


/* =============================================================================
   10. コンセプト
   ========================================================================== */
.pillar { text-align: center; }
.pillar__no { font-family: var(--font-serif); font-size: 0.76rem; letter-spacing: 0.3em; color: var(--c-accent); }
.pillar__title { margin: 0.8em 0 0.6em; font-size: 1.1rem; }
.pillar__text { font-size: 0.85rem; color: var(--c-ink-soft); }

.material-card__media { aspect-ratio: 3 / 4; overflow: hidden; }
.material-card__media img { width: 100%; height: 100%; object-fit: cover; }
.material-card__title { margin-top: 1.1em; font-family: var(--font-serif); font-size: 1rem; letter-spacing: 0.1em; }
.material-card__title small { display: block; font-size: 0.62rem; letter-spacing: 0.24em; color: var(--c-accent); text-transform: uppercase; margin-bottom: 0.4em; }
.material-card__text { margin-top: 0.5em; font-size: 0.8rem; color: var(--c-ink-soft); }


/* =============================================================================
   11. サービス
   ========================================================================== */
.service-detail { padding-block: var(--block-y); border-bottom: 1px solid var(--c-line); }
.service-detail:last-child { border-bottom: none; }
.service-detail__head { display: flex; align-items: baseline; gap: 1em; margin-bottom: 1.4em; }
.service-detail__no { font-family: var(--font-serif); color: var(--c-accent); font-size: 0.9rem; letter-spacing: 0.2em; }
.service-detail__name { font-size: 1.4rem; }
.service-detail__price { margin-top: 1.6em; font-size: 0.8rem; letter-spacing: 0.1em; color: var(--c-ink-soft); }
.service-detail__price strong { font-family: var(--font-serif); font-size: 1.1rem; color: var(--c-ink); letter-spacing: 0.06em; }
.tasklist { margin-top: 1.4em; display: flex; flex-wrap: wrap; gap: 8px; }
.tasklist li { font-size: 0.72rem; letter-spacing: 0.08em; padding: 6px 14px; background: var(--c-fill); color: var(--c-ink-soft); }


/* =============================================================================
   12. 施工事例
   ========================================================================== */
.filter { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: var(--block-y); }
.filter__btn {
  padding: 10px 22px; font-size: 0.74rem; letter-spacing: 0.14em;
  border: 1px solid var(--c-line); color: var(--c-ink-soft);
  transition: all 0.3s var(--ease);
}
.filter__btn:hover { border-color: var(--c-ink); color: var(--c-ink); }
.filter__btn.is-active { background: var(--c-ink); border-color: var(--c-ink); color: #fff; }

.works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 2.6vw, 40px); }
.works-grid .work-card.is-hidden { display: none; }

/* 事例詳細 */
.case-lead { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.case-spec { border-top: 1px solid var(--c-ink); }
.case-spec div { display: grid; grid-template-columns: 6.5em 1fr; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--c-line); font-size: 0.82rem; }
.case-spec dt { color: var(--c-ink-soft); letter-spacing: 0.1em; }
.gallery { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.gallery button { overflow: hidden; aspect-ratio: 1; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.gallery button:hover img { transform: scale(1.08); }
.gallery button:first-child { grid-column: span 3; grid-row: span 2; aspect-ratio: auto; }

/* ライトボックス */
.lightbox {
  position: fixed; inset: 0; z-index: 200; background: rgba(18,16,14,0.92);
  display: flex; align-items: center; justify-content: center; padding: 5vw;
  opacity: 0; visibility: hidden; transition: opacity 0.3s var(--ease), visibility 0.3s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox img { max-width: 100%; max-height: 88vh; object-fit: contain; }
.lightbox__close { position: absolute; top: 24px; right: 28px; width: 44px; height: 44px; color: #fff; font-size: 1.4rem; }
.lightbox__nav { position: absolute; top: 50%; transform: translateY(-50%); width: 54px; height: 54px; color: #fff; font-size: 1.6rem; }
.lightbox__nav--prev { left: 16px; }
.lightbox__nav--next { right: 16px; }


/* =============================================================================
   13. プロフィール
   ========================================================================== */
.profile-intro { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.profile-intro__media img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.profile-intro__name { font-size: 1.6rem; margin: 0.2em 0 0.1em; }
.profile-intro__name small { font-size: 0.7rem; letter-spacing: 0.24em; color: var(--c-accent); text-transform: uppercase; display: block; margin-bottom: 0.8em; }
.profile-intro__role { font-size: 0.8rem; letter-spacing: 0.14em; color: var(--c-ink-soft); }

.timeline { border-left: 1px solid var(--c-line); }
.timeline li { position: relative; padding: 0 0 2em 2em; }
.timeline li::before { content: ""; position: absolute; left: -4px; top: 10px; width: 7px; height: 7px; background: var(--c-accent); border-radius: 50%; }
.timeline__year { font-family: var(--font-serif); font-size: 0.82rem; letter-spacing: 0.14em; color: var(--c-accent); }
.timeline__text { font-size: 0.86rem; color: var(--c-ink-soft); margin-top: 0.2em; }

.qual-list li { padding: 12px 0; border-bottom: 1px solid var(--c-line); font-size: 0.86rem; display: flex; gap: 1em; }
.qual-list li::before { content: "―"; color: var(--c-accent); }


/* =============================================================================
   14. お客様の声
   ========================================================================== */
.voice-card { background: var(--c-surface); padding: clamp(24px, 3vw, 40px); border: 1px solid var(--c-line); display: flex; flex-direction: column; gap: 1.2em; height: 100%; }
.voice-card__stars { color: var(--c-accent); letter-spacing: 0.2em; font-size: 0.8rem; }
.voice-card__text { font-family: var(--font-serif); font-size: 0.96rem; line-height: 2.1; }
.voice-card__foot { margin-top: auto; display: flex; align-items: center; gap: 14px; padding-top: 1.2em; border-top: 1px solid var(--c-line); }
.voice-card__avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--c-fill); display: grid; place-items: center; font-family: var(--font-serif); font-size: 0.9rem; color: var(--c-accent); flex-shrink: 0; }
.voice-card__who { font-size: 0.76rem; letter-spacing: 0.08em; }
.voice-card__who span { display: block; color: var(--c-ink-soft); font-size: 0.7rem; margin-top: 2px; }


/* =============================================================================
   15. よくあるご質問（アコーディオン）
   ========================================================================== */
.accordion { border-top: 1px solid var(--c-line); }
.accordion__item { border-bottom: 1px solid var(--c-line); }
.accordion__head {
  width: 100%; display: flex; align-items: flex-start; gap: 1em;
  padding: 26px 8px; text-align: left; font-family: var(--font-serif);
  font-size: 1rem; font-weight: 600; letter-spacing: 0.05em;
}
.accordion__head::before { content: "Q"; color: var(--c-accent); font-size: 0.9rem; flex-shrink: 0; line-height: 1.9; }
.accordion__icon { margin-left: auto; position: relative; width: 16px; height: 16px; flex-shrink: 0; margin-top: 6px; }
.accordion__icon::before, .accordion__icon::after { content: ""; position: absolute; background: var(--c-ink); transition: transform 0.35s var(--ease); }
.accordion__icon::before { top: 50%; left: 0; width: 100%; height: 1px; margin-top: -0.5px; }
.accordion__icon::after { left: 50%; top: 0; width: 1px; height: 100%; margin-left: -0.5px; }
.accordion__item.is-open .accordion__icon::after { transform: scaleY(0); }
.accordion__body { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.accordion__body-inner { padding: 0 8px 28px 2.2em; font-size: 0.86rem; color: var(--c-ink-soft); }
.accordion__body-inner::first-letter { }


/* =============================================================================
   16. ご相談の流れ
   ========================================================================== */
.flow-step { display: grid; grid-template-columns: 120px 1fr; gap: clamp(20px, 4vw, 56px); padding-block: clamp(28px, 4vw, 52px); border-bottom: 1px solid var(--c-line); align-items: start; }
.flow-step:last-child { border-bottom: none; }
.flow-step__no { font-family: var(--font-serif); font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 600; color: var(--c-line); line-height: 1; }
.flow-step__title { font-size: 1.15rem; margin-bottom: 0.6em; }
.flow-step__title small { font-size: 0.62rem; letter-spacing: 0.24em; color: var(--c-accent); text-transform: uppercase; display: block; margin-bottom: 0.5em; }
.flow-step__text { font-size: 0.86rem; color: var(--c-ink-soft); }


/* =============================================================================
   17. 料金
   ========================================================================== */
.price-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
.price-table th, .price-table td { text-align: left; padding: 18px 16px; border-bottom: 1px solid var(--c-line); vertical-align: top; }
.price-table thead th { font-family: var(--font-serif); letter-spacing: 0.14em; border-bottom: 1px solid var(--c-ink); font-size: 0.78rem; text-transform: uppercase; }
.price-table td.is-price { font-family: var(--font-serif); color: var(--c-ink); white-space: nowrap; }
.price-note { margin-top: 1.6em; font-size: 0.76rem; color: var(--c-ink-soft); line-height: 2; }

.example-card { border: 1px solid var(--c-line); padding: clamp(24px, 3vw, 36px); background: var(--c-surface); }
.example-card__label { font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--c-accent); }
.example-card__title { font-size: 1.05rem; margin: 0.6em 0 1em; }
.example-card dl { display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; font-size: 0.8rem; }
.example-card dt { color: var(--c-ink-soft); }
.example-card dd { font-family: var(--font-serif); text-align: right; }
.example-card__total { margin-top: 1em; padding-top: 1em; border-top: 1px solid var(--c-ink); display: flex; justify-content: space-between; align-items: baseline; }
.example-card__total b { font-family: var(--font-serif); font-size: 1.3rem; }


/* =============================================================================
   18. コラム
   ========================================================================== */
.column-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(24px, 3vw, 44px); }
.column-card__media { aspect-ratio: 3 / 2; overflow: hidden; }
.column-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.column-card:hover .column-card__media img { transform: scale(1.05); }
.column-card__meta { display: flex; gap: 1em; margin-top: 1.1em; font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--c-ink-soft); }
.column-card__cat { color: var(--c-accent); }
.column-card__title { margin-top: 0.6em; font-family: var(--font-serif); font-size: 1rem; font-weight: 600; line-height: 1.7; }

.article-head { text-align: center; max-width: var(--w-narrow); margin-inline: auto; }
.article-head__meta { display: flex; justify-content: center; gap: 1.2em; font-size: 0.7rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--c-ink-soft); margin-bottom: 1.4em; }
.article-head__title { font-size: clamp(1.5rem, 3.4vw, 2.2rem); line-height: 1.7; }
.article-cover { margin: clamp(36px, 6vw, 64px) 0; }
.article-cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.author-box { margin-top: var(--block-y); padding: clamp(24px, 3vw, 36px); background: var(--c-fill); display: flex; gap: 20px; align-items: center; }
.author-box__avatar { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.author-box__name { font-family: var(--font-serif); font-size: 0.94rem; }
.author-box__role { font-size: 0.74rem; color: var(--c-ink-soft); margin-top: 0.2em; }


/* =============================================================================
   19. お問い合わせ / 完了 / プライバシー
   ========================================================================== */
.contact-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(36px, 6vw, 80px); }
.contact-info dl { margin-bottom: 2em; }
.contact-info dt { font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--c-accent); margin-bottom: 0.5em; }
.contact-info dd { font-size: 0.9rem; margin-bottom: 1.4em; }
.contact-info .tel { font-family: var(--font-serif); font-size: 1.5rem; letter-spacing: 0.06em; }

.form-row { margin-bottom: 26px; }
.form-row label { display: block; font-size: 0.78rem; letter-spacing: 0.12em; margin-bottom: 0.7em; }
.form-row .req { color: var(--c-accent); margin-left: 0.4em; font-size: 0.7rem; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 14px 16px; background: var(--c-surface);
  border: 1px solid var(--c-line); border-radius: var(--radius);
  font-size: 0.9rem; letter-spacing: 0.02em; transition: border-color 0.3s var(--ease);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: var(--c-accent); }
.form-row textarea { resize: vertical; min-height: 150px; }
.form-row.has-error input, .form-row.has-error select, .form-row.has-error textarea { border-color: #b5462f; }
.form-error { display: none; margin-top: 0.5em; font-size: 0.72rem; color: #b5462f; }
.form-row.has-error .form-error { display: block; }
.form-check { display: flex; gap: 10px; align-items: flex-start; font-size: 0.8rem; color: var(--c-ink-soft); }
.form-check input { width: auto; margin-top: 5px; }
.form-note { font-size: 0.74rem; color: var(--c-ink-soft); margin-top: 1.4em; line-height: 1.9; }

.thanks { text-align: center; max-width: 560px; margin-inline: auto; }
.thanks__mark { width: 64px; height: 64px; margin: 0 auto 2em; border: 1px solid var(--c-accent); border-radius: 50%; display: grid; place-items: center; color: var(--c-accent); font-size: 1.5rem; }


/* =============================================================================
   20. スクロール演出
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__bg { animation: none; }
  html { scroll-behavior: auto; }
}


/* =============================================================================
   21. レスポンシブ
   ========================================================================== */
@media (max-width: 900px) {
  :root { --header-h: 68px; }

  .gnav { display: none; }
  .hamburger { display: block; }
  .header:not(.is-solid) { background: linear-gradient(rgba(20,18,16,0.35), transparent); }

  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .split, .split--reverse { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
  .split__body { max-width: none; }

  .footer__top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer__brand { grid-column: 1 / -1; }

  .works-grid, .column-grid { grid-template-columns: repeat(2, 1fr); }
  .profile-intro, .case-lead, .contact-layout { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 32px 16px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .gallery button:first-child { grid-column: span 2; grid-row: auto; }
  .service-row__item { grid-template-columns: 44px 1fr; }
  .service-row__more { display: none; }
  .flow-step { grid-template-columns: 64px 1fr; }
}

@media (max-width: 600px) {
  body { font-size: 15px; line-height: 1.85; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .works-grid, .column-grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .btn { min-height: 52px; padding: 0 1.8em; font-size: 0.76rem; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; }
  .statement p { line-height: 2.1; }
  .case-spec div { grid-template-columns: 5.5em 1fr; }
  .price-table thead { display: none; }
  .price-table tr { display: block; border-bottom: 1px solid var(--c-ink); padding: 12px 0; }
  .price-table td { display: block; border: none; padding: 4px 0; }
  .price-table td.is-price { font-size: 1.05rem; margin-top: 4px; }
  .gallery { grid-template-columns: 1fr; }
  .gallery button:first-child { grid-column: auto; }
}