@charset "UTF-8";
/* 桧尾税理士事務所（架空・制作見本） ------------------------------------
   生成り × 深緑 × 金茶。見出し明朝／本文ゴシック。角丸は0と真円だけ。
   スマホファースト（900px以上でPCレイアウト）。 */

:root {
  --bg:    #FBFAF7;
  --deep:  #1F3A32;
  --gold:  #A67C3D;
  --ink:   #22201C;
  --sub:   #6B675F;
  --line:  #DED8CC;

  --serif: "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Noto Serif JP", serif;
  --sans:  "Yu Gothic", YuGothic, "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;

  --rail: 0px;
  --pad: 20px;
  --s1: 56px;   /* 節の中の間 */
  --s2: 72px;   /* 小さい節間 */
  --s3: 96px;
  --s4: 120px;  /* 大きい節間 */
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  padding-left: var(--rail);
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.95;
  letter-spacing: .04em;
  overflow-wrap: anywhere;
}

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

/* 日本語の行末が1〜2文字だけ残るのを避ける */
p, dd, li, summary, figcaption, .sec__lead { text-wrap: pretty; }
figure { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
a { color: inherit; }

/* ---------- 共通パーツ ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .6em; min-height: 60px; padding: 0 28px;
  font-family: var(--sans); font-size: 15px; font-weight: 500; letter-spacing: .1em;
  text-decoration: none; border-radius: 0; cursor: pointer;
}
.btn--fill { background: var(--deep); color: var(--bg); border: 1px solid var(--deep); }
.btn--line { background: transparent; color: var(--deep); border: 1px solid var(--deep); }
@media (hover: hover) {
  .btn--fill:hover { background: var(--gold); border-color: var(--gold); }
  .btn--line:hover { background: var(--deep); color: var(--bg); }
}

.sec { padding: var(--s4) var(--pad); }
.sec__label {
  display: flex; align-items: center; gap: 14px;
  margin: 0 0 18px; font-size: 12px; font-weight: 500;
  letter-spacing: .28em; color: var(--gold);
}
.sec__label span { flex: 0 0 44px; height: 1px; background: var(--gold); }
.sec__title {
  margin: 0 0 20px; font-family: var(--serif); font-weight: 700;
  font-size: 30px; line-height: 1.5; letter-spacing: .02em;
}
.sec__lead { margin: 0; max-width: 40em; color: var(--sub); font-size: 15px; }
.sec__head { margin-bottom: var(--s1); }
.sec__head--center { text-align: center; }
.sec__head--center .sec__label { justify-content: center; }

.link-more {
  display: inline-block; margin-top: 26px; padding-bottom: 4px;
  font-size: 14px; font-weight: 500; letter-spacing: .12em;
  color: var(--deep); text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

/* ---------- 左端の縦帯（PCのみ） ---------- */
.rail { display: none; }

/* ---------- ヘッダー ---------- */
.hd { background: transparent; }
.hd__inner {
  display: flex; align-items: center; gap: 16px;
  padding: 14px var(--pad); min-height: 68px;
}
.hd__logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--deep); }
.hd__mark { width: 34px; height: 34px; flex: none; }
.hd__name {
  font-family: var(--serif); font-weight: 700; font-size: 17px;
  line-height: 1.25; letter-spacing: .06em;
}
.hd__name small {
  display: block; font-family: var(--sans); font-weight: 400;
  font-size: 9px; letter-spacing: .24em; color: var(--sub);
}
.hd__nav, .hd__tel { display: none; }

.nav-toggle {
  margin-left: auto; width: 48px; height: 48px; flex: none;
  display: grid; place-content: center; gap: 6px;
  background: transparent; border: 1px solid var(--line); cursor: pointer;
}
.nav-toggle span { display: block; width: 20px; height: 1px; background: var(--deep); }
.hd.is-scrolled { background: rgba(251, 250, 247, .95); box-shadow: 0 1px 20px rgba(31, 58, 50, .10); }

/* ---------- ドロワー ---------- */
.drawer { position: fixed; inset: 0; z-index: 200; background: var(--deep); color: var(--bg); overflow-y: auto; }
.drawer__inner { padding: 96px 28px 48px; display: flex; flex-direction: column; gap: 4px; }
.drawer__label { margin: 0 0 18px; font-size: 11px; letter-spacing: .3em; color: rgba(251, 250, 247, .55); }
.drawer a {
  padding: 14px 0; font-family: var(--serif); font-size: 20px;
  text-decoration: none; border-bottom: 1px solid rgba(251, 250, 247, .18);
}
.drawer__tel { margin: 28px 0 0; font-size: 13px; color: rgba(251, 250, 247, .7); }
.drawer__tel a { font-family: var(--serif); font-size: 26px; border: 0; padding: 0; }
body.is-nav-open .nav-toggle span { background: var(--bg); }
body.is-nav-open .nav-toggle { position: relative; z-index: 300; border-color: rgba(251, 250, 247, .4); }
body.is-nav-open .hd { position: fixed; top: 0; left: 0; right: 0; }

/* ---------- 1. ヒーロー ---------- */
.hero { position: relative; padding: 8px var(--pad) var(--s3); }
.hero__photos { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 34px; }
.hero__ph { overflow: hidden; }
.hero__ph img { width: 100%; height: 100%; object-fit: cover; }
.hero__ph--a { grid-column: 1 / -1; aspect-ratio: 3 / 2; }
.hero__ph--b { aspect-ratio: 4 / 3; }
.hero__ph--c { aspect-ratio: 3 / 4; }

.hero__eyebrow {
  margin: 0 0 16px; font-size: 12px; font-weight: 500;
  letter-spacing: .18em; color: var(--gold);
}
.hero__title {
  margin: 0 0 20px; font-family: var(--serif); font-weight: 700;
  font-size: 34px; line-height: 1.45; letter-spacing: .02em;
}
.hero__lead { margin: 0 0 30px; max-width: 32em; font-size: 15px; color: var(--sub); }
.hero__cta { display: flex; flex-direction: column; gap: 12px; margin-bottom: 30px; }
.hero__meta {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.hero__meta > div { background: var(--bg); padding: 14px 16px; }
.hero__meta dt { font-size: 11px; letter-spacing: .18em; color: var(--gold); }
.hero__meta dd { margin: 2px 0 0; font-size: 14px; font-weight: 500; line-height: 1.6; }
.hero__side, .hero__round { display: none; }

/* ---------- 2. 事務所について ---------- */
.about { position: relative; overflow: hidden; }
.typo {
  margin: 0 0 -14px; font-family: var(--serif); font-size: 46px;
  letter-spacing: .02em; color: rgba(31, 58, 50, .07); white-space: nowrap;
}
.about__grid { display: grid; gap: 34px; }
.about__ph { max-width: 420px; }
.about__ph img { width: 100%; }
.about__box {
  max-width: 420px; margin-top: 30px; padding: 24px 22px;
  border: 1px solid var(--line); border-top: 3px solid var(--gold);
}
.about__box-t {
  margin: 0 0 10px !important; font-family: var(--serif);
  font-size: 16px; font-weight: 700;
}
.about__box p { margin: 0 0 18px; font-size: 13.5px; color: var(--sub); line-height: 1.9; }
.about__box .btn { width: 100%; min-height: 52px; font-size: 14px; }
.about__ph figcaption {
  margin-top: 12px; font-size: 12px; letter-spacing: .1em; color: var(--sub);
  padding-left: 14px; border-left: 2px solid var(--gold);
}
.about__body p { margin: 0 0 20px; }
.about__facts {
  display: grid; gap: 1px; margin-top: 30px;
  background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.about__facts li {
  display: grid; grid-template-columns: 1fr; gap: 2px;
  background: var(--bg); padding: 13px 2px; font-size: 14px; line-height: 1.8;
}
.about__facts span {
  font-size: 11px; letter-spacing: .16em;
  color: var(--gold); font-weight: 500;
}

/* ---------- 3. サービス ---------- */
.service { background: var(--deep); color: var(--bg); }
.service .sec__title { color: var(--bg); }
.service .sec__lead { color: rgba(251, 250, 247, .72); }
.service__list { display: grid; gap: 44px; }
.card { position: relative; }
.card figure { overflow: hidden; margin-bottom: 20px; }
.card figure img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.card__no {
  margin: 0 0 10px; font-family: var(--serif); font-size: 13px;
  letter-spacing: .2em; color: var(--gold);
}
.card h3 {
  margin: 0 0 12px; font-family: var(--serif); font-weight: 700;
  font-size: 21px; letter-spacing: .04em;
}
.card h3 small {
  display: block; margin-top: 4px; font-family: var(--sans); font-weight: 400;
  font-size: 10px; letter-spacing: .26em; color: rgba(251, 250, 247, .55);
}
.card p { margin: 0; font-size: 14.5px; color: rgba(251, 250, 247, .82); }
.card__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.card__tags li {
  padding: 5px 12px; font-size: 11.5px; letter-spacing: .06em;
  border: 1px solid rgba(251, 250, 247, .3); color: rgba(251, 250, 247, .9);
}
.card__fee {
  margin-top: 16px !important; padding-top: 14px;
  border-top: 1px solid rgba(251, 250, 247, .22);
  font-size: 13px; color: rgba(251, 250, 247, .72) !important;
}
.card__fee b { font-family: var(--serif); font-size: 19px; font-weight: 700; color: var(--bg); }

/* ---------- 4. 料金 ---------- */
.price__tables { display: grid; gap: var(--s2); }
.price__block h3 {
  margin: 0 0 16px; font-family: var(--serif); font-size: 19px; font-weight: 700;
  padding-left: 14px; border-left: 3px solid var(--gold);
}
.price table { width: 100%; border-collapse: collapse; font-size: 14px; }
.price caption {
  text-align: left; padding-bottom: 10px; font-size: 12px; color: var(--sub); letter-spacing: .08em;
}
.price th, .price td { padding: 15px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.price thead th {
  font-size: 11px; font-weight: 500; letter-spacing: .16em; color: var(--gold);
  border-bottom: 1px solid var(--gold); padding-bottom: 10px;
}
.price tbody th { font-weight: 500; }
.price td { font-family: var(--serif); font-size: 17px; font-weight: 700; white-space: nowrap; }
.price__notes { margin: var(--s1) 0 34px; display: grid; gap: 10px; }
.price__notes li {
  position: relative; padding-left: 20px; font-size: 13.5px; color: var(--sub);
}
.price__notes li::before {
  content: ""; position: absolute; left: 0; top: .85em;
  width: 8px; height: 1px; background: var(--gold);
}

/* ---------- 5. お約束（数字） ---------- */
.promise { border-top: 1px solid var(--line); padding-bottom: var(--s2); }
.promise__list { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.stat { background: var(--bg); padding: 40px 18px 34px; text-align: center; }
.stat--lead { background: var(--deep); color: var(--bg); }
.stat--lead .stat__num { color: var(--bg); }
.stat--lead .stat__note { color: rgba(251, 250, 247, .66); }
.stat__num {
  margin: 0; font-family: var(--serif); font-weight: 700; color: var(--deep);
  font-size: 15px; letter-spacing: .02em; line-height: 1.2;
}
.stat__num span { font-size: 52px; color: var(--gold); }
.stat__num em { font-style: normal; font-size: 15px; }
.stat__cap { margin: 10px 0 0; font-size: 14px; font-weight: 500; }
.stat__note { margin: 8px 0 0; font-size: 12px; line-height: 1.8; color: var(--sub); }

/* ---------- 6. 流れ ---------- */
.flow { padding-top: var(--s2); }
.flow__band { margin: 0 calc(var(--pad) * -1) var(--s2); }
.flow__band img { width: 100%; height: 240px; object-fit: cover; }
.flow__band figcaption {
  margin: 14px var(--pad) 0; font-size: 12.5px; letter-spacing: .06em; color: var(--sub);
}
.flow__list { display: grid; gap: 1px; background: var(--line); border-top: 1px solid var(--line); }
.flow__list li { background: var(--bg); padding: 28px 2px; position: relative; }
.flow__step {
  margin: 0 0 8px; font-family: var(--serif); font-size: 12px;
  letter-spacing: .22em; color: var(--gold);
}
.flow__list h3 { margin: 0 0 10px; font-family: var(--serif); font-size: 19px; font-weight: 700; }
.flow__list p { margin: 0; font-size: 14.5px; color: var(--sub); }
.flow__time {
  display: inline-block; margin-top: 14px !important; padding: 4px 12px;
  font-size: 11.5px !important; letter-spacing: .1em;
  border: 1px solid var(--line); color: var(--ink) !important;
}

/* ---------- 7. FAQ ---------- */
.faq__list { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 22px 40px 22px 0; position: relative; cursor: pointer;
  font-family: var(--serif); font-size: 16.5px; font-weight: 700; line-height: 1.7;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q"; color: var(--gold); font-size: 14px; flex: none; }
.faq summary::after {
  content: ""; position: absolute; right: 6px; top: 34px;
  width: 13px; height: 13px;
  background:
    linear-gradient(var(--gold), var(--gold)) center / 13px 1px no-repeat,
    linear-gradient(var(--gold), var(--gold)) center / 1px 13px no-repeat;
  transition: transform .3s cubic-bezier(.16, 1, .3, 1);
}
.faq details[open] summary::after { transform: rotate(90deg); background-size: 13px 1px, 0 0; }
.faq details p {
  margin: 0; padding: 0 0 26px 28px; font-size: 14.5px; color: var(--sub);
}

/* ---------- 8. アクセス ---------- */
.access__main { display: grid; gap: 34px; }
.access__ph { max-width: 520px; }
.access__ph img { width: 100%; }
.access__dl { display: grid; gap: 1px; background: var(--line); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.access__dl > div { background: var(--bg); padding: 15px 2px; display: grid; grid-template-columns: 82px 1fr; gap: 12px; }
.access__dl dt { font-size: 11px; letter-spacing: .16em; color: var(--gold); font-weight: 500; padding-top: .35em; }
.access__dl dd { margin: 0; font-size: 14px; }
.access__map { width: 100%; height: auto; border: 1px solid var(--line); }
.access__gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: var(--s2); }
.access__gallery img { width: 100%; object-fit: cover; }
.access__gallery img { aspect-ratio: 3 / 2; }
.access__gallery figcaption { margin-top: 8px; font-size: 11.5px; letter-spacing: .1em; color: var(--sub); }

/* ---------- 9. お問い合わせ ---------- */
.contact { background: var(--deep); color: var(--bg); padding-bottom: var(--s3); }
.contact .sec__title { color: var(--bg); }
.contact__ph { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; margin-bottom: 34px; }
.contact__lead p { color: rgba(251, 250, 247, .8); font-size: 15px; }
.contact__tel { margin: 26px 0 0; }
.contact__tel small { display: block; font-size: 11px; letter-spacing: .2em; color: var(--gold); }
.contact__tel a {
  font-family: var(--serif); font-size: 32px; font-weight: 700;
  letter-spacing: .04em; text-decoration: none;
}

.form { margin-top: var(--s1); display: grid; gap: 22px; }
.form__row { display: grid; gap: 8px; }
.form label { font-size: 13px; font-weight: 500; letter-spacing: .1em; display: flex; gap: 10px; align-items: center; }
.form label span { font-size: 10px; letter-spacing: .12em; padding: 3px 8px; background: var(--gold); color: var(--deep); }
.form input, .form select, .form textarea {
  width: 100%; padding: 15px 14px; font-family: var(--sans); font-size: 15px;
  color: var(--bg); background: rgba(251, 250, 247, .06);
  border: 1px solid rgba(251, 250, 247, .3); border-radius: 0;
}
.form input::placeholder, .form textarea::placeholder { color: rgba(251, 250, 247, .4); }
.form select { color: var(--bg); }
.form select option { color: #22201C; }
.form input:focus, .form select:focus, .form textarea:focus {
  outline: 2px solid var(--gold); outline-offset: 2px; background: rgba(251, 250, 247, .12);
}
.form__note { margin: 0; font-size: 11px; color: rgba(251, 250, 247, .38); }
.form .btn--fill { background: var(--gold); border-color: var(--gold); color: var(--deep); }
@media (hover: hover) { .form .btn--fill:hover { background: var(--bg); border-color: var(--bg); } }

/* ---------- フッター ---------- */
.ft { padding: var(--s3) var(--pad) 28px; border-top: 1px solid var(--line); }
.ft__inner { display: grid; gap: var(--s1); }
.ft__mark { width: 40px; height: 40px; color: var(--deep); margin-bottom: 14px; }
.ft__name { margin: 0 0 14px; font-family: var(--serif); font-size: 19px; font-weight: 700; letter-spacing: .06em; }
.ft__name small { display: block; font-family: var(--sans); font-weight: 400; font-size: 9px; letter-spacing: .24em; color: var(--sub); }
.ft__addr { margin: 0; font-size: 13px; color: var(--sub); }
.ft__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; }
.ft__cols a { font-size: 13.5px; text-decoration: none; }
.ft__cols li { padding: 6px 0; }
.ft__contact p { margin: 16px 0 0; font-size: 13px; color: var(--sub); }
.ft__copy { margin: var(--s2) 0 0; font-size: 11px; letter-spacing: .16em; color: var(--sub); }

/* ============================================================
   タブレット以上
   ============================================================ */
@media (min-width: 700px) {
  .sec__title { font-size: 34px; }
  .hero__title { font-size: 42px; }
  .hero__cta { flex-direction: row; }
  .hero__meta { grid-template-columns: repeat(4, 1fr); }
  .about__facts li { grid-template-columns: 108px 1fr; gap: 14px; align-items: baseline; }
  .promise__list { grid-template-columns: repeat(4, 1fr); }
  .service__list { grid-template-columns: repeat(3, 1fr); gap: 30px; }
  .price__tables { grid-template-columns: 1fr 1fr; gap: 44px; }
  .flow__list { grid-template-columns: repeat(2, 1fr); gap: 1px; }
  .access__gallery { grid-template-columns: repeat(4, 1fr); }
  .ft__inner { grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
}

/* ============================================================
   PC
   ============================================================ */
@media (min-width: 900px) {
  :root { --rail: 58px; --pad: 60px; --s1: 64px; --s2: 88px; --s3: 120px; --s4: 160px; }

  .rail {
    display: flex; flex-direction: column; justify-content: space-between; align-items: center;
    position: fixed; left: 0; top: 0; bottom: 0; width: 58px; z-index: 210;
    background: var(--deep); color: var(--bg); padding: 26px 0;
  }
  .rail__name, .rail__tel {
    writing-mode: vertical-rl; font-size: 11.5px; letter-spacing: .3em;
  }
  .rail__name { font-family: var(--serif); font-weight: 500; }
  .rail__tel { color: rgba(251, 250, 247, .6); }

  .hd__inner { padding: 22px var(--pad); gap: 30px; }
  .hd__nav { display: flex; gap: 26px; margin-left: auto; }
  .hd__nav a { font-size: 13.5px; text-decoration: none; letter-spacing: .06em; }
  .hd__tel { display: block; text-decoration: none; text-align: right; }
  .hd__tel small { display: block; font-size: 10px; letter-spacing: .16em; color: var(--gold); }
  .hd__tel strong { font-family: var(--serif); font-size: 21px; letter-spacing: .04em; }
  .nav-toggle { display: none; }

  /* ヒーロー：写真をずらして重ね、右にコピー */
  .hero {
    display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center;
    padding: 30px var(--pad) var(--s4);
    min-height: calc(100svh - 112px);
  }
  .hero__photos { display: block; position: relative; height: 620px; margin: 0; }
  .hero__ph { position: absolute; }
  .hero__ph--a { left: 0; top: 0; width: 82%; aspect-ratio: 3 / 2; }
  .hero__ph--b { right: 0; top: 40%; width: 44%; aspect-ratio: 4 / 3; box-shadow: -18px -18px 0 var(--bg); }
  .hero__ph--c { left: 0; bottom: 0; width: 30%; aspect-ratio: 3 / 4; box-shadow: -14px -14px 0 var(--bg); }
  .flow__band img { height: 340px; }
  .hero__title { font-size: 46px; }
  .hero__lead { font-size: 15.5px; }
  .hero__meta { grid-template-columns: repeat(2, 1fr); }

  .hero__side {
    display: block; position: absolute; right: 14px; top: 42%;
    margin: 0; writing-mode: vertical-rl;
    font-size: 10.5px; letter-spacing: .36em; color: var(--sub);
  }
  .hero__round {
    display: grid; place-content: center;
    position: absolute; right: 10px; bottom: 120px;
    width: 62px; height: 62px; border-radius: 999px;
    background: var(--deep); color: var(--bg);
    transition: background-color .32s, transform .32s cubic-bezier(.16, 1, .3, 1);
  }
  .hero__round svg { width: 22px; height: 22px; }
  .hero__round:hover { background: var(--gold); transform: translateY(-3px); }

  .typo { font-size: 96px; margin-bottom: -34px; }
  .about__grid { grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: start; }
  .about__side { position: sticky; top: 130px; }

  .access__main { grid-template-columns: .75fr 1.25fr; gap: 70px; align-items: start; }
  .access__ph { max-width: none; }
  .flow__list { grid-template-columns: repeat(4, 1fr); }
  .flow__list li { padding: 34px 26px 34px 0; }

  .contact__head { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
  .contact__ph { margin-bottom: 0; aspect-ratio: 4 / 3; height: 100%; }
  .form { grid-template-columns: 1fr 1fr; gap: 26px 30px; align-items: start; }
  .form__row--wide, .form__note, .form .btn { grid-column: 1 / -1; }
  .form .btn { justify-self: start; min-width: 300px; }
}

@media (min-width: 1200px) {
  .hero__title { font-size: 52px; }
  .sec__title { font-size: 38px; }
}