/* 西大路建築舎 style.css
   1. 変数・基本
   2. レイアウト（全体枠・PC縦ナビ・SPメニュー）
   3. 共通パーツ（背景の質感・写真枠・見出し・リンク・ボタン）
   4. ページ見出し（下層ページ）
   5. トップ（ヒーロー・進め方・事例・代表メッセージ）
   6. 費用の目安・ご相談（共通ブロック）
   7. 改修の進め方
   8. 施工事例
   9. 会社案内
   10. ご相談フォーム
   11. プライバシーポリシー
   12. フッター

   PC表示は 1100px 以上。1099px 以下はSP表示（右の縦ナビ → 右上の「目次」ボタン）。
   clamp(0px, (100vw - 1100px) * 係数, 最大値) は、PC幅で広くなるほど段差をつけるための指定です。 */

/* 1. 変数・基本
   ========================================================================== */
:root {
  --c-bg: #EDE7DC;        /* 漆喰の生成り */
  --c-ink: #24201B;       /* 墨 */
  --c-accent: #9A3B24;    /* 弁柄 */
  --c-accent-light: #E3A58E;
  --c-line: #CFC5B5;
  --c-paper: #F6F2EB;
  --c-card: rgba(237, 231, 220, .94);
  --c-sand: #CDBB9F;      /* 土壁 */
  --c-sand-dark: #B9A688;
  --c-photo: #D8CDBB;     /* 写真の読み込み前の色 */
  --c-plan: #E3DCCF;
  --c-dark: #1F1C18;
  --c-dark-2: #3A342D;
  --c-text-2: #4A433A;
  --c-muted: #5E554A;
  --c-muted-2: #7A6F62;
  --c-on-dark: #D6CDBF;
  --c-on-dark-sub: #B8AE9F;
  --c-field: #FFFDF9;
  --c-field-line: #BFB4A3;
  --c-hero-text: #F6F2EB;

  --gutter: clamp(20px, 4vw, 56px);
  --sec-y: clamp(80px, 10vw, 140px);
  --shadow-card: 0 1px 0 rgba(36, 32, 27, .08), 0 18px 40px -24px rgba(36, 32, 27, .35);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; background: var(--c-bg); }
body { color: var(--c-ink); font-family: "Zen Kaku Gothic New", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--c-ink); text-decoration: none; }
/* :where で詳細度を下げ、色を指定したクラス側を優先させる */
a:where(:hover) { color: var(--c-accent); }
input, select, textarea, button { font-family: inherit; }
img { max-width: 100%; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
[hidden] { display: none !important; }

.only-pc { display: contents; }
.only-sp { display: none; }
@media (max-width: 1099px) {
  .only-pc { display: none; }
  .only-sp { display: contents; }
  .only-sp.js-reveal { display: none; }
  .only-sp.js-reveal.is-on { display: contents; }
}

/* 2. レイアウト
   ========================================================================== */
.site { background: var(--c-bg); overflow-x: hidden; }
@media (min-width: 1100px) {
  .site { padding-right: 88px; }
}

/* PC：右端の縦ナビ */
.pc-nav { position: fixed; top: 0; right: 0; bottom: 0; z-index: 30; width: 88px; padding-top: 40px; background: var(--c-bg); border-left: 1px solid var(--c-line); display: flex; flex-direction: column; align-items: center; justify-content: space-between; }
.pc-nav__links { display: flex; flex-direction: column; align-items: center; gap: 36px; }
.pc-nav__link { writing-mode: vertical-rl; font-size: 15px; font-weight: 500; letter-spacing: .24em; }
.pc-nav__link[aria-current="page"] { font-weight: 700; color: var(--c-accent); }
.pc-nav__cta { width: 100%; padding: 28px 0 32px; background: var(--c-ink); color: var(--c-bg); display: flex; justify-content: center; }
.pc-nav__cta span { writing-mode: vertical-rl; font-size: 15px; font-weight: 700; letter-spacing: .24em; }
.pc-nav__cta:hover,
.pc-nav__cta[aria-current="page"] { background: var(--c-accent); color: var(--c-bg); }

/* SP：目次ボタンとメニュー */
.menu-btn { position: fixed; top: 12px; right: 12px; z-index: 40; width: 64px; height: 64px; padding: 0; border: none; border-radius: 50%; background: var(--c-ink); color: var(--c-bg); font-size: 13px; font-weight: 700; letter-spacing: .1em; white-space: nowrap; cursor: pointer; box-shadow: 0 8px 20px -8px rgba(36, 32, 27, .5); }
.menu-btn:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 3px; }
.sp-menu { display: none; }
@media (max-width: 1099px) {
  .sp-menu.is-open { display: contents; }
}
.sp-menu__panel { position: fixed; inset: 0; z-index: 35; padding: 56px 24px 104px; background: var(--c-bg); display: flex; flex-direction: column; overflow-y: auto; }
.sp-menu__name { margin-bottom: 32px; font-size: 20px; font-weight: 900; letter-spacing: .16em; }
.sp-menu__link { padding: 20px 0; border-bottom: 1px solid var(--c-line); font-size: 18px; font-weight: 500; letter-spacing: .1em; }
.sp-menu__link[aria-current="page"] { font-weight: 700; color: var(--c-accent); }
.sp-menu__cta { margin-top: 32px; padding: 18px; background: var(--c-ink); color: var(--c-bg); font-size: 15px; font-weight: 700; letter-spacing: .1em; text-align: center; }
.sp-menu__cta:hover { background: var(--c-accent); color: var(--c-bg); }
.sp-menu__tel { margin-top: 14px; font-size: 19px; font-weight: 700; letter-spacing: .06em; text-align: center; }
.sp-menu__link + .sp-menu__tel { margin-top: 32px; }

/* 3. 共通パーツ
   ========================================================================== */
/* 背景の質感（::before を中身の下に敷く） */
.bg-shikkui, .bg-tsuchikabe, .bg-yakisugi { position: relative; isolation: isolate; }
.bg-shikkui::before, .bg-tsuchikabe::before, .bg-yakisugi::before { content: ""; position: absolute; inset: 0; z-index: -1; }
.bg-shikkui::before { background: url("../assets/tex-shikkui-v4.webp") center / cover; }
.bg-tsuchikabe { background-color: var(--c-sand); }
.bg-tsuchikabe::before { background: url("../assets/tex-tsuchikabe-v3.webp") 0 0 / max(80%, 1100px) auto repeat; }
.bg-yakisugi { background-color: var(--c-dark); color: var(--c-bg); }
.bg-yakisugi::before { background: linear-gradient(rgba(20, 18, 15, .35), rgba(20, 18, 15, .35)), url("../assets/tex-yakisugi.webp") center / cover; }

/* 写真枠：比率を決めて、画像は枠いっぱいに */
.media { position: relative; background: var(--c-photo); }
.media > img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; }
.media--sand { background: var(--c-sand-dark); }
.media--dark { background: var(--c-dark-2); }
.ar-4x3 { aspect-ratio: 4 / 3; }
.ar-3x2 { aspect-ratio: 3 / 2; }
.ar-3x4 { aspect-ratio: 3 / 4; }
.ar-4x5 { aspect-ratio: 4 / 5; }
.ar-16x10 { aspect-ratio: 16 / 10; }

/* 平面図 */
.plan { display: flex; flex-direction: column; gap: 8px; }
.plan .media { aspect-ratio: 3 / 2; background: var(--c-plan); }
.plan .media > img { object-fit: contain; }
.plan figcaption { font-size: 11px; color: var(--c-muted); letter-spacing: .06em; }

/* 見出しの語句を途中で改行させない（幅が足りないときは語句の中で折り返す） */
.phrase { display: inline-block; }

/* 本文 */
.lead { font-size: 15px; line-height: 2.1; letter-spacing: .04em; text-wrap: pretty; }
.text { font-size: 14px; line-height: 2; text-wrap: pretty; }
.text--l { font-size: 15px; }

/* 見出し */
.v-title { writing-mode: vertical-rl; font-size: clamp(34px, 3.6vw, 50px); font-weight: 900; letter-spacing: .2em; line-height: 1; }
.v-title--wide { letter-spacing: .24em; }
.v-title--l { font-size: clamp(38px, 4.4vw, 62px); }
.v-title--s { font-size: clamp(28px, 2.8vw, 38px); letter-spacing: .24em; }
.step-title { font-size: clamp(28px, 2.6vw, 40px); font-weight: 900; line-height: 1.5; letter-spacing: .12em; }
.step-title > span { display: block; }
.step-title > span:nth-child(2) { padding-left: 1.12em; }
.step-title > span:nth-child(3) { padding-left: 2.24em; }
.sec-title { font-size: clamp(28px, 2.6vw, 40px); font-weight: 900; letter-spacing: .12em; }

/* 下線つきのテキストリンク */
.u-link { font-size: 14px; font-weight: 500; letter-spacing: .08em; border-bottom: 1px solid var(--c-ink); padding-bottom: 4px; }
.u-link--light { color: var(--c-bg); border-color: var(--c-bg); }
.u-link--light:hover { color: var(--c-accent-light); border-color: var(--c-accent-light); }

/* ボタン */
.btn { padding: 18px 24px; background: var(--c-ink); color: var(--c-bg); display: flex; align-items: center; gap: 14px; font-size: 14px; font-weight: 700; letter-spacing: .1em; }
.btn:hover { background: var(--c-accent); color: var(--c-bg); }
.btn__tag { padding: 2px 7px; border: 1px solid currentColor; font-size: 11px; font-weight: 500; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin-top: 28px; }

/* 小さな枠つきラベル（無料・有料） */
.tag { padding: 2px 8px; border: 1px solid currentColor; font-size: 11px; font-weight: 700; letter-spacing: .1em; }

/* 事例の見出しまわり */
.kicker { font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--c-accent); }
.meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 12px; color: var(--c-muted); letter-spacing: .06em; }
.case-head > * + * { margin-top: 10px; }
.case-title { font-size: clamp(22px, 2.2vw, 28px); font-weight: 900; line-height: 1.6; letter-spacing: .06em; }
.case-title--s { font-size: clamp(21px, 2vw, 26px); }
.voice { font-family: "Klee One", cursive; font-size: 16px; font-weight: 600; line-height: 1.8; color: var(--c-accent); }
.voice__who { margin-left: 8px; font-size: 12px; }

/* 署名（代表・一級建築士 西大路 進） */
.signature { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.signature__role { font-size: 12px; color: var(--c-on-dark-sub); letter-spacing: .1em; }
.signature__name { font-size: 18px; font-weight: 700; letter-spacing: .2em; }

/* 写真と白いカードを重ねる事例（トップ 事例01・施工事例 01/04） */
.case-feature { display: flex; flex-wrap: wrap; align-items: flex-start; }
.case-feature__photo { flex: 1.7 1 560px; min-width: 0; }
.case-feature__card { position: relative; z-index: 1; flex: 1 1 380px; min-width: 0; margin-top: clamp(0px, (100vw - 1100px) * .4, 120px); margin-right: var(--gutter); margin-left: clamp(-120px, (1100px - 100vw) * .5, 0px); padding: clamp(24px, 3vw, 44px); background: var(--c-paper); box-shadow: var(--shadow-card); display: flex; flex-direction: column; gap: 24px; }
.case-feature--reverse { flex-direction: row-reverse; }
.case-feature--reverse .case-feature__card { margin-right: clamp(-120px, (1100px - 100vw) * .5, 0px); margin-left: var(--gutter); }

/* 4. ページ見出し（下層ページ）
   ========================================================================== */
.page-hero__inner { position: relative; display: flex; flex-wrap: wrap; align-items: flex-start; gap: clamp(40px, 5vw, 80px); padding: 96px var(--gutter) clamp(40px, 4vw, 56px); }
.page-hero__inner--end { align-items: flex-end; }
.page-hero__inner--works { justify-content: space-between; padding-bottom: clamp(64px, 8vw, 112px); }
.page-hero__inner--form { gap: clamp(40px, 6vw, 120px); padding-bottom: clamp(56px, 7vw, 96px); }
@media (min-width: 1100px) {
  .page-hero__inner { padding-top: 40px; }
}
.page-hero__logo { writing-mode: vertical-rl; font-size: clamp(17px, 1.5vw, 20px); font-weight: 900; letter-spacing: .24em; }
.page-hero__label { font-size: 13px; font-weight: 700; letter-spacing: .3em; color: var(--c-accent); }
.page-hero__label--v { writing-mode: vertical-rl; }

/* 縦書きの大見出し（改修の進め方・会社案内） */
.page-hero__main { flex: 1 1 420px; min-width: 0; display: flex; flex-direction: column; gap: clamp(16px, 1.6vw, 24px); }
.page-hero__row { display: flex; justify-content: space-between; align-items: flex-start; gap: clamp(24px, 3vw, 48px); }
.page-hero__lead-pc { flex: 0 1 360px; min-width: 0; margin-left: auto; align-self: flex-end; }
.page-hero__lead-sp { max-width: 400px; }
.page-hero__titles { display: flex; flex-direction: row-reverse; align-items: flex-start; gap: clamp(16px, 2vw, 28px); }
.page-hero__title-v { writing-mode: vertical-rl; font-size: clamp(32px, 3.4vw, 48px); font-weight: 900; line-height: 1.45; letter-spacing: .12em; white-space: nowrap; }
.page-hero__title-v span { display: inline-block; margin-top: 1.12em; }
.page-hero__photo { flex: 0 1 380px; min-width: 0; max-width: 380px; margin-top: clamp(0px, (100vw - 1100px) * .2, 48px); }

/* 横書きの大見出し（施工事例・ご相談・プライバシーポリシー） */
.page-hero__head { align-self: flex-start; display: flex; align-items: flex-start; gap: clamp(32px, 6vw, 120px); }
.page-hero__heading { display: flex; flex-direction: column; align-items: flex-start; gap: clamp(12px, 1.4vw, 20px); }
.page-hero__title { font-size: clamp(26px, 3.6vw, 52px); font-weight: 900; line-height: 1.5; letter-spacing: .1em; }
.page-hero__title--works { font-size: clamp(36px, 4.4vw, 64px); line-height: 1.3; letter-spacing: .16em; white-space: nowrap; }
.page-hero__aside { flex: 0 1 400px; min-width: 0; }

/* 5. トップ
   ========================================================================== */
/* ヒーロー（SP） */
.sp-hero__visual { position: relative; height: max(580px, 92svh); background: var(--c-dark-2); overflow: hidden; }
.sp-hero__visual > img { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: cover; }
.sp-hero__shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20, 18, 15, 0) 35%, rgba(20, 18, 15, .55) 100%), linear-gradient(180deg, rgba(20, 18, 15, .35) 0%, rgba(20, 18, 15, 0) 30%, rgba(20, 18, 15, 0) 70%, rgba(20, 18, 15, .45) 100%); }
.sp-hero__brand { position: absolute; top: 24px; left: 20px; display: flex; flex-direction: row-reverse; align-items: flex-start; gap: 8px; color: var(--c-hero-text); }
.sp-hero__name { writing-mode: vertical-rl; font-size: 17px; font-weight: 900; letter-spacing: .24em; }
.sp-hero__since { writing-mode: vertical-rl; font-size: 10px; letter-spacing: .28em; opacity: .9; }
.sp-hero__title { position: absolute; top: 88px; right: 20px; writing-mode: vertical-rl; font-size: min(clamp(38px, 11vw, 52px), calc((max(580px, 92svh) - 150px) / 10)); font-weight: 900; line-height: 1.45; letter-spacing: .12em; white-space: nowrap; color: var(--c-hero-text); text-shadow: 0 2px 18px rgba(20, 18, 15, .35); transform: scaleY(.95); transform-origin: top right; }
.sp-hero__title span,
.pc-hero__title span { display: inline-block; margin-top: 1.2em; }
.sp-hero__caption { position: absolute; bottom: 18px; left: 20px; font-size: 11px; letter-spacing: .08em; color: var(--c-hero-text); }
.sp-hero__body { position: relative; padding: 40px 20px 56px; }

/* ヒーロー（PC） */
.pc-hero { background: var(--c-bg); }
.pc-hero__inner { position: relative; display: flex; flex-wrap: wrap; }
.pc-hero__main { flex: 1 1 340px; min-width: 0; padding: 40px var(--gutter) clamp(40px, 5vw, 64px); display: flex; flex-direction: column; justify-content: space-between; gap: 56px; }
.pc-hero__top { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.pc-hero__brand { display: flex; flex-direction: row-reverse; align-items: flex-start; gap: 10px; }
.pc-hero__name { writing-mode: vertical-rl; font-size: 20px; font-weight: 900; letter-spacing: .24em; }
.pc-hero__since { writing-mode: vertical-rl; font-size: 11px; letter-spacing: .3em; color: #6E6458; }
.pc-hero__title { writing-mode: vertical-rl; font-size: clamp(44px, 5.2vw, 76px); font-weight: 900; line-height: 1.45; letter-spacing: .12em; transform: scaleY(.95); transform-origin: top right; }
.pc-hero__body { max-width: 340px; }
.pc-hero__body .actions { margin-top: 32px; }
.pc-hero__visual { flex: 2.3 1 560px; min-width: 0; min-height: clamp(440px, 60vw, 860px); }
.pc-hero__caption { position: absolute; right: 0; bottom: 0; padding: 12px 18px; background: var(--c-bg); font-size: 12px; letter-spacing: .08em; color: var(--c-text-2); }

/* 測る、残す、直す。 */
.approach__inner { position: relative; max-width: 1320px; margin: 0 auto; padding: var(--sec-y) var(--gutter); display: flex; flex-wrap: wrap; align-items: flex-start; gap: clamp(32px, 4vw, 64px); }
.approach__main { flex: 1 1 560px; min-width: 0; display: flex; flex-direction: column; gap: clamp(32px, 4vw, 56px); }
.approach__cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); align-items: start; gap: 10px; }
.approach-card { min-width: 0; min-height: clamp(220px, 17vw, 280px); padding: clamp(20px, 2vw, 28px); background: var(--c-card); display: flex; gap: 16px; }
.approach-card:nth-child(2) { margin-top: clamp(0px, (100vw - 1100px) * .3, 64px); }
.approach-card:nth-child(3) { margin-top: clamp(0px, (100vw - 1100px) * .6, 128px); }
.approach-card__title { writing-mode: vertical-rl; font-size: clamp(28px, 2.6vw, 38px); font-weight: 900; letter-spacing: .2em; line-height: 1; }
.approach-card__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 14px; overflow-wrap: anywhere; }
.approach-card__label { font-size: 13px; font-weight: 700; letter-spacing: .1em; color: var(--c-accent); }
.approach__photo { flex: 0 1 340px; min-width: 240px; }

/* 直した家 */
.home-works { padding: var(--sec-y) 0; }
.home-works__head { display: flex; flex-wrap: wrap; flex-direction: row-reverse; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: clamp(48px, 6vw, 80px); padding: 0 var(--gutter); }
.home-works__title { display: flex; flex-direction: row-reverse; align-items: flex-end; gap: 28px; }
.home-works__title .text { max-width: 260px; }
.case-grid { display: flex; flex-wrap: wrap; align-items: flex-start; gap: clamp(32px, 4vw, 56px) clamp(24px, 3vw, 48px); margin-top: clamp(64px, 8vw, 120px); padding: 0 var(--gutter); }
.case-link { min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.case-link--a { flex: 1.4 1 420px; }
.case-link--b { flex: 1 1 280px; margin-top: clamp(0px, (100vw - 1100px) * .6, 180px); }
.case-link--c { flex: 0 1 560px; margin-left: clamp(0px, (100vw - 1100px) * .5, 160px); }
.case-link__meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 16px; }
.case-link__no { font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--c-accent); }
.case-link__info { font-size: 12px; color: var(--c-muted); letter-spacing: .06em; }
.case-link__title { font-size: 18px; font-weight: 700; line-height: 1.7; letter-spacing: .04em; }

/* 代表メッセージ（トップ・会社案内） */
.message__inner { position: relative; max-width: 1320px; margin: 0 auto; padding: var(--sec-y) var(--gutter); display: flex; flex-wrap: wrap; flex-direction: row-reverse; align-items: flex-start; gap: clamp(40px, 6vw, 96px); }
.message__body { flex: 1 1 380px; min-width: 0; display: flex; flex-direction: column; align-items: flex-end; gap: 40px; }
.message__body--home { align-self: stretch; padding-bottom: clamp(0px, (100vw - 1100px) * .4, 120px); }
@media (min-width: 1100px) {
  .message__body--home { padding-top: 70px; }
}
.message__body--company { overflow-x: auto; }
.message__text { writing-mode: vertical-rl; font-family: "Shippori Mincho", serif; font-size: clamp(21px, 2.1vw, 29px); font-weight: 600; line-height: 2.2; letter-spacing: .12em; white-space: nowrap; }
.message__text--s { font-size: clamp(18px, 1.8vw, 24px); }
.message__foot { margin-top: auto; display: flex; flex-wrap: wrap; justify-content: flex-end; align-items: flex-end; gap: 32px; }
.message__photo { flex: 0 1 460px; min-width: 260px; margin-bottom: clamp(0px, (100vw - 1100px) * .4, 120px); }

/* 6. 費用の目安・ご相談
   ========================================================================== */
.cost { max-width: 1320px; margin: 0 auto; padding: var(--sec-y) var(--gutter); display: flex; flex-wrap: wrap; align-items: flex-start; gap: clamp(40px, 6vw, 120px); }
.cost__head { flex: 0 1 auto; display: flex; align-items: flex-start; gap: 28px; }
.cost__note { max-width: 240px; display: flex; flex-direction: column; align-items: flex-start; gap: 24px; }
.cost__note p { font-size: 14px; line-height: 2; color: var(--c-muted); }
.cost__list { flex: 1 1 440px; min-width: 0; max-width: 720px; margin-top: clamp(0px, (100vw - 1100px) * .3, 96px); margin-left: auto; }
.cost__row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 26px 0; border-bottom: 1px solid var(--c-line); }
.cost__name { font-size: 17px; font-weight: 700; letter-spacing: .08em; }
.cost__sub { margin-top: 4px; font-size: 12px; color: var(--c-muted-2); }
.cost__price { white-space: nowrap; }
.cost__num { font-size: clamp(30px, 3.4vw, 42px); font-weight: 900; letter-spacing: .02em; }
.cost__unit { margin-left: 6px; font-size: 13px; }

.contact-cta { padding: 0 0 var(--sec-y); }
.contact-cta__box { margin-left: clamp(20px, (100vw - 1100px) * .5 + 56px, 280px); padding: clamp(48px, 6vw, 96px) clamp(24px, 5vw, 80px); background: var(--c-ink); color: var(--c-bg); display: flex; flex-wrap: wrap; flex-direction: row-reverse; align-items: flex-end; gap: clamp(40px, 5vw, 80px); }
.contact-cta__title { writing-mode: vertical-rl; font-size: clamp(34px, 3.8vw, 54px); font-weight: 900; line-height: 1.5; letter-spacing: .14em; }
.contact-cta__body { flex: 1 1 380px; min-width: 0; max-width: 520px; display: flex; flex-direction: column; gap: 32px; }
.contact-cta__lead { font-size: 15px; line-height: 2.1; color: var(--c-on-dark); text-wrap: pretty; }
.contact-cta__actions { display: flex; flex-direction: column; gap: 12px; }
.contact-cta__tel { padding: 20px 24px; border: 1px solid #5E574D; color: var(--c-bg); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.contact-cta__tel:hover { border-color: var(--c-bg); color: var(--c-bg); }
.contact-cta__tel-main { display: flex; flex-direction: column; gap: 4px; }
.contact-cta__tel-label { font-size: 11px; color: var(--c-on-dark-sub); letter-spacing: .12em; }
.contact-cta__tel-num { font-size: clamp(22px, 2.4vw, 28px); font-weight: 700; letter-spacing: .06em; }
.contact-cta__tel-hours { font-size: 11px; line-height: 1.6; color: var(--c-on-dark-sub); text-align: right; }
.contact-cta__form { padding: 22px 24px; background: var(--c-bg); color: var(--c-ink); display: flex; justify-content: space-between; align-items: center; font-size: 16px; font-weight: 700; letter-spacing: .1em; }
.contact-cta__form:hover { background: var(--c-accent); color: var(--c-bg); }

/* 7. 改修の進め方
   ========================================================================== */
.flow__inner { position: relative; max-width: 1320px; margin: 0 auto; padding: var(--sec-y) var(--gutter); display: flex; flex-direction: column; gap: clamp(40px, 5vw, 64px); }
.flow__list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); align-items: start; gap: 10px; }
.flow-step { padding: clamp(24px, 2.4vw, 32px); background: var(--c-card); display: flex; flex-direction: column; gap: 14px; }
.flow-step:nth-child(3n+2) { margin-top: clamp(0px, (100vw - 1100px) * .2, 48px); }
.flow-step:nth-child(3n) { margin-top: clamp(0px, (100vw - 1100px) * .4, 96px); }
.flow-step--dark { background: var(--c-ink); color: var(--c-bg); }
.flow-step__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 14px; }
.flow-step__no { font-size: 34px; font-weight: 900; line-height: 1; color: var(--c-accent); }
.flow-step--dark .flow-step__no { color: var(--c-accent-light); }
.flow-step__title { font-size: 20px; font-weight: 900; letter-spacing: .12em; }

.faq { max-width: 1320px; margin: 0 auto; padding: 0 var(--gutter) var(--sec-y); display: flex; flex-wrap: wrap; flex-direction: row-reverse; align-items: flex-start; gap: clamp(40px, 6vw, 120px); }
.faq__list { flex: 1 1 480px; min-width: 0; max-width: 800px; display: flex; flex-direction: column; }
.faq__item { padding: 28px 0; border-top: 1px solid var(--c-line); display: flex; flex-direction: column; gap: 12px; }
.faq__item:first-child { border-top-color: var(--c-ink); }
.faq__item:last-child { border-bottom: 1px solid var(--c-line); }
.faq__q, .faq__a { display: flex; align-items: baseline; gap: 18px; }
.faq__mark { font-size: 15px; font-weight: 900; }
.faq__q .faq__mark { color: var(--c-accent); }
.faq__q-text { font-size: 17px; font-weight: 700; line-height: 1.7; }
.faq__a-text { font-size: 15px; line-height: 2; text-wrap: pretty; }

/* 8. 施工事例
   ========================================================================== */
.works-hero__aside { flex: 0 1 520px; min-width: 0; display: flex; flex-direction: column; gap: 32px; }
.toc { display: flex; flex-direction: column; border-top: 1px solid var(--c-ink); }
.toc a { padding: 16px 0; border-bottom: 1px solid var(--c-line); display: flex; align-items: baseline; gap: 18px; }
.toc__no { font-size: 13px; font-weight: 700; letter-spacing: .1em; color: var(--c-accent); white-space: nowrap; }
.toc__title { font-size: 15px; font-weight: 500; }

.case01 { padding: var(--sec-y) 0 0; }
.case02 { padding: clamp(96px, 12vw, 180px) var(--gutter) 0; display: flex; flex-wrap: wrap; flex-direction: row-reverse; align-items: flex-end; gap: clamp(32px, 4vw, 64px); }
.case02__photo { flex: 1.6 1 520px; min-width: 0; margin-right: calc(-1 * var(--gutter)); }
.case02__text { flex: 1 1 320px; min-width: 0; max-width: 440px; padding-bottom: clamp(0px, (100vw - 1100px) * .2, 48px); display: flex; flex-direction: column; gap: 20px; }
.case03 { margin-top: clamp(96px, 12vw, 180px); }
.case03__inner { position: relative; max-width: 1320px; margin: 0 auto; padding: clamp(72px, 9vw, 128px) var(--gutter); display: flex; flex-wrap: wrap; align-items: flex-start; gap: clamp(32px, 5vw, 96px); }
.case03__photo { flex: 0 1 420px; min-width: 240px; }
.case03__text { flex: 1 1 320px; min-width: 0; max-width: 460px; margin-top: clamp(0px, (100vw - 1100px) * .5, 160px); padding: clamp(24px, 3vw, 40px); background: var(--c-card); display: flex; flex-direction: column; gap: 20px; }
.case04 { padding: clamp(96px, 12vw, 180px) 0 var(--sec-y); }

/* 9. 会社案内
   ========================================================================== */
.staff { max-width: 1320px; margin: 0 auto; padding: var(--sec-y) var(--gutter); display: flex; flex-direction: column; gap: clamp(40px, 5vw, 64px); }
.staff__list { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 clamp(24px, 3vw, 48px); }
.staff-item { padding: 24px 0; border-top: 1px solid var(--c-line); display: flex; flex-direction: column; gap: 8px; }
.staff-item:nth-child(-n+3) { border-top-color: var(--c-ink); }
.staff-item__role { font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--c-accent); }
.staff-item__name { font-size: 20px; font-weight: 900; letter-spacing: .16em; }
.staff-item__comment { font-size: 14px; line-height: 1.9; color: var(--c-text-2); }

.history__inner { position: relative; max-width: 1320px; margin: 0 auto; padding: var(--sec-y) var(--gutter); display: flex; flex-wrap: wrap; flex-direction: row-reverse; align-items: flex-start; gap: clamp(40px, 6vw, 120px); }
.history__list { flex: 1 1 480px; min-width: 0; display: flex; flex-direction: row-reverse; justify-content: flex-start; align-items: flex-start; gap: 10px; overflow-x: auto; }
.history-item { flex: 0 0 auto; padding: 24px 20px; background: var(--c-card); display: flex; flex-direction: column; align-items: center; gap: 18px; }
.history-item:nth-child(2) { margin-top: clamp(0px, (100vw - 1100px) * .15, 40px); }
.history-item:nth-child(3) { margin-top: clamp(0px, (100vw - 1100px) * .3, 80px); }
.history-item:nth-child(4) { margin-top: clamp(0px, (100vw - 1100px) * .45, 120px); }
.history-item--now { background: var(--c-ink); color: var(--c-bg); }
.history-item__year { font-size: 20px; font-weight: 900; letter-spacing: .04em; }
.history-item__text { writing-mode: vertical-rl; height: 15em; font-size: 15px; line-height: 1.9; letter-spacing: .14em; }

.profile { max-width: 1320px; margin: 0 auto; padding: var(--sec-y) var(--gutter); display: flex; flex-wrap: wrap; align-items: flex-start; gap: clamp(40px, 6vw, 96px); }
.profile__main { flex: 1 1 480px; min-width: 0; display: flex; flex-direction: column; gap: clamp(32px, 4vw, 48px); }
.profile__table { display: grid; grid-template-columns: minmax(0, 9em) minmax(0, 1fr); border-top: 1px solid var(--c-ink); font-size: 15px; line-height: 1.9; }
.profile__table dt, .profile__table dd { padding: 16px 0; border-bottom: 1px solid var(--c-line); }
.profile__table dt { font-size: 13px; color: var(--c-muted); }
.profile__map { position: relative; flex: 1 1 360px; min-width: 0; margin-top: clamp(0px, (100vw - 1100px) * .4, 120px); aspect-ratio: 1 / 1; background: var(--c-photo); overflow: hidden; }
.profile__map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* 10. ご相談フォーム
   ========================================================================== */
.form-sec__inner { position: relative; max-width: 1320px; margin: 0 auto; padding: clamp(56px, 8vw, 120px) clamp(12px, 4vw, 56px); display: flex; flex-wrap: wrap; align-items: flex-start; gap: clamp(24px, 4vw, 64px); }
.form-panel { flex: 1.6 1 520px; min-width: 0; padding: clamp(28px, 4vw, 56px) clamp(20px, 4vw, 56px); background: var(--c-paper); }
.form { display: flex; flex-direction: column; gap: 28px; }
.form__title { font-size: clamp(22px, 2vw, 26px); font-weight: 900; letter-spacing: .12em; }
.form__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px 20px; }
.field { display: flex; flex-direction: column; gap: 10px; }
.field--topics { gap: 12px; }
.field__label { font-size: 14px; font-weight: 700; letter-spacing: .06em; }
.field__req { margin-left: 10px; font-size: 12px; color: var(--c-accent); }
.field__hint { margin-left: 10px; font-size: 12px; font-weight: 400; color: var(--c-muted); }
.input { height: 52px; padding: 0 14px; border: 1px solid var(--c-field-line); border-radius: 0; background: var(--c-field); color: var(--c-ink); font-size: 16px; }
.input--area { height: auto; padding: 14px; line-height: 1.8; resize: vertical; }
.input:focus { outline: 2px solid var(--c-ink); outline-offset: -1px; }
.topics { display: flex; flex-wrap: wrap; gap: 8px; }
.topic { min-height: 46px; padding: 0 18px; border: 1px solid var(--c-field-line); background: var(--c-field); color: var(--c-ink); font-size: 14px; font-weight: 500; cursor: pointer; }
.topic[aria-pressed="true"] { border-color: var(--c-ink); background: var(--c-ink); color: var(--c-bg); font-weight: 700; }
.topic:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }
.form__submit-area { display: flex; flex-direction: column; gap: 14px; }
.agree { display: flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 500; letter-spacing: .06em; cursor: pointer; }
.agree input { flex: 0 0 auto; width: 20px; height: 20px; margin: 0; accent-color: var(--c-ink); }
.agree a { padding-bottom: 2px; border-bottom: 1px solid var(--c-ink); }
.agree a:hover { border-color: var(--c-accent); color: var(--c-accent); }
.submit { height: 64px; padding: 0 28px; border: none; background: var(--c-ink); color: var(--c-bg); display: flex; justify-content: space-between; align-items: center; font-size: 16px; font-weight: 700; letter-spacing: .14em; cursor: pointer; }
.submit:hover { background: var(--c-accent); }
.form__note { font-size: 12px; line-height: 1.9; color: var(--c-muted); }
.sent { padding: 24px 0; display: flex; flex-direction: column; gap: 24px; }
.sent__title { font-size: clamp(24px, 2.4vw, 30px); font-weight: 900; line-height: 1.6; letter-spacing: .1em; }
.sent__text { font-size: 15px; line-height: 2.1; }
.sent .u-link, .form-after .u-link { align-self: flex-start; }

.form-side { flex: 1 1 300px; min-width: 0; margin-top: clamp(0px, (100vw - 1100px) * .4, 120px); display: flex; flex-direction: column; gap: 10px; }
.form-tel { padding: 28px; background: var(--c-ink); color: var(--c-bg); display: flex; flex-direction: column; gap: 6px; }
.form-tel:hover { background: var(--c-dark-2); color: var(--c-bg); }
.form-tel__label, .form-tel__hours { font-size: 12px; color: var(--c-on-dark-sub); }
.form-tel__label { letter-spacing: .12em; }
.form-tel__num { font-size: clamp(26px, 2.4vw, 32px); font-weight: 900; letter-spacing: .06em; }
.form-after { padding: 28px; background: var(--c-card); display: flex; flex-direction: column; gap: 20px; }
.form-after__title { font-size: 18px; font-weight: 900; letter-spacing: .12em; }
.form-after__steps { display: flex; flex-direction: column; gap: 20px; }
.form-after__step { display: flex; gap: 14px; }
.form-after__no { font-size: 22px; font-weight: 900; line-height: 1.2; color: var(--c-accent); }
.form-after__body { display: flex; flex-direction: column; gap: 4px; }
.form-after__name { font-size: 15px; font-weight: 700; }
.form-after__text { font-size: 13px; line-height: 1.9; color: var(--c-text-2); }

/* 11. プライバシーポリシー
   ========================================================================== */
.policy { max-width: 1320px; margin: 0 auto; padding: clamp(64px, 8vw, 120px) var(--gutter); }
.policy__list { max-width: 960px; border-top: 1px solid var(--c-ink); display: flex; flex-direction: column; }
.policy__item { padding: 28px 0; border-bottom: 1px solid var(--c-line); display: flex; flex-wrap: wrap; gap: 8px clamp(24px, 4vw, 64px); }
.policy__title { flex: 0 0 12em; font-size: 16px; font-weight: 900; line-height: 1.9; letter-spacing: .1em; }
.policy__body { flex: 1 1 360px; min-width: 0; display: flex; flex-direction: column; gap: 12px; font-size: 15px; line-height: 2.1; letter-spacing: .04em; }
.policy__body ul { padding-left: 1.2em; list-style: disc; display: flex; flex-direction: column; gap: 4px; }
.policy__date { font-size: 13px; color: var(--c-muted); }

/* 12. フッター
   ========================================================================== */
.footer { background: var(--c-dark); color: var(--c-on-dark); }
.footer__main { max-width: 1320px; margin: 0 auto; padding: clamp(56px, 7vw, 88px) var(--gutter) 32px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 48px; }
.footer__info { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
.footer__name { font-size: 24px; font-weight: 900; letter-spacing: .2em; color: var(--c-bg); }
.footer__address { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-style: normal; line-height: 1.9; }
.footer__reg { font-size: 12px; color: #9C9284; }
.footer__nav { display: grid; grid-template-columns: repeat(2, auto); align-content: start; gap: 14px 48px; font-size: 13px; font-weight: 500; letter-spacing: .08em; }
.footer__nav a { color: var(--c-on-dark); }
.footer__nav a:hover { color: var(--c-bg); }
.footer__bottom { max-width: 1320px; margin: 0 auto; padding: 20px var(--gutter) 32px; border-top: 1px solid var(--c-dark-2); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 11px; color: #8A8073; }
.footer__copy { letter-spacing: .08em; }