/* 中野税理士事務所 共通スタイル
   デザイン方針: 和紙×朱色×明朝（見出しのみ明朝・本文ゴシック・朱は点使い・文字大きめ） */

:root {
  --washi: #F6F2E9;
  --card: #FCFAF4;
  --ink: #2B2823;
  --ink-soft: #5E574A;
  --line: #E0D9C8;
  --shu: #C1442E;
  --muted: #A0988A;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--washi);
  color: var(--ink);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 16px;
  line-height: 2;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .serif {
  font-family: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 500;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

.container { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.shu { color: var(--shu); }

/* ヘッダー */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 242, 233, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.logo {
  font-family: "Shippori Mincho", "Yu Mincho", serif;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.12em;
  white-space: nowrap;
}
.site-nav { display: flex; align-items: center; gap: 26px; font-size: 14px; }
.site-nav a:not(.btn-contact):hover { color: var(--shu); }
.btn-contact {
  background: var(--shu);
  color: var(--washi);
  padding: 9px 20px;
  border-radius: 2px;
  letter-spacing: 0.08em;
  transition: opacity 0.25s;
}
.btn-contact:hover { opacity: 0.85; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 22px; height: 1.5px; background: var(--ink); display: block; }

/* ヒーロー（トップ） */
.hero { text-align: center; padding: 100px 24px 88px; }
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--muted);
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(28px, 4.6vw, 42px);
  letter-spacing: 0.06em;
  line-height: 1.7;
  margin-bottom: 28px;
}
.lede {
  font-size: clamp(15px, 2vw, 17px);
  color: var(--ink-soft);
  line-height: 2.3;
}

/* セクション見出し */
.sec-eyebrow {
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--shu);
  text-align: center;
  margin-bottom: 10px;
}
.sec-title {
  font-size: clamp(22px, 3vw, 28px);
  text-align: center;
  letter-spacing: 0.08em;
  margin-bottom: 48px;
}

/* 4つの入口 */
.doors { padding: 0 24px 104px; }
.door-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 880px;
  margin: 0 auto;
}
.door {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 30px 32px;
  transition: border-color 0.25s, transform 0.25s;
}
.door:hover { border-color: var(--shu); transform: translateY(-2px); }
.door-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}
.door-en { font-size: 11px; letter-spacing: 0.2em; color: var(--shu); }
.door-arrow { color: var(--shu); transition: transform 0.25s; }
.door:hover .door-arrow { transform: translateX(4px); }
.door h3 { font-size: 21px; letter-spacing: 0.06em; margin-bottom: 10px; }
.door p { font-size: 14.5px; color: var(--ink-soft); line-height: 2; }

/* 姿勢の一文 */
.stance { background: var(--ink); text-align: center; padding: 78px 24px; }
.stance-copy {
  font-family: "Shippori Mincho", "Yu Mincho", serif;
  font-weight: 500;
  font-size: clamp(17px, 2.6vw, 22px);
  color: var(--washi);
  line-height: 2.3;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.stance-sign { font-size: 12px; letter-spacing: 0.24em; color: var(--muted); }

/* 仕事の仕方 */
.reasons { padding: 100px 24px; }
.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.reason { background: var(--card); border: 1px solid var(--line); padding: 32px 28px; }
.reason h3 { font-size: 18px; letter-spacing: 0.06em; margin-bottom: 12px; }
.reason h3::before {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--shu);
  margin-bottom: 16px;
}
.reason p { font-size: 14.5px; color: var(--ink-soft); }

/* 代表ダイジェスト */
.profile {
  background: var(--card);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 92px 24px;
  text-align: center;
}
.profile-title { font-size: 13px; letter-spacing: 0.2em; color: var(--muted); margin-top: 20px; }
.profile-name { font-size: 26px; letter-spacing: 0.14em; margin: 8px 0 0; }
.profile-text {
  max-width: 620px;
  margin: 26px auto 30px;
  font-size: 15px;
  color: var(--ink-soft);
  text-align: left;
}
.text-link {
  color: var(--shu);
  font-size: 14px;
  letter-spacing: 0.1em;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

/* 発信 */
.media { padding: 100px 24px; text-align: center; }
.media-intro { font-size: 15px; color: var(--ink-soft); margin: -20px auto 36px; }
.media-links { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.media-link {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 20px 34px;
  min-width: 240px;
  transition: border-color 0.25s;
}
.media-link:hover { border-color: var(--shu); }
.media-link .en { display: block; font-size: 11px; letter-spacing: 0.2em; color: var(--shu); margin-bottom: 4px; }
.media-link .ja { font-size: 15px; font-weight: 500; }

/* 事務所概要 */
.outline { padding: 0 24px 100px; }
.outline dl { max-width: 640px; margin: 0 auto; border-top: 1px solid var(--line); }
.outline .row { display: flex; gap: 24px; padding: 16px 6px; border-bottom: 1px solid var(--line); }
.outline dt { width: 120px; flex-shrink: 0; font-size: 14px; letter-spacing: 0.08em; color: var(--muted); }
.outline dd { font-size: 15px; }
.ph { color: var(--muted); }

/* お問い合わせCTA */
.cta { background: var(--ink); text-align: center; padding: 88px 24px; }
.cta h2 { color: var(--washi); font-size: clamp(22px, 3vw, 30px); letter-spacing: 0.1em; margin-bottom: 16px; }
.cta p { color: #C9C2B2; font-size: 15px; margin-bottom: 34px; }
.btn-primary {
  display: inline-block;
  background: var(--shu);
  color: var(--washi);
  font-size: 15px;
  letter-spacing: 0.14em;
  padding: 16px 56px;
  border-radius: 2px;
  transition: opacity 0.25s;
}
.btn-primary:hover { opacity: 0.85; }

/* フッター */
.site-footer { padding: 36px 24px; border-top: 1px solid var(--line); }
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-nav { display: flex; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--ink-soft); }
.footer-nav a:hover { color: var(--shu); }
.copyright { font-size: 12px; letter-spacing: 0.06em; color: var(--muted); }

/* 下層ページ */
.page-hero { text-align: center; padding: 84px 24px 60px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(26px, 4vw, 36px); letter-spacing: 0.08em; margin: 16px 0 22px; }
.notice {
  max-width: 720px;
  margin: 60px auto 0;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 18px 24px;
  font-size: 14px;
  color: var(--ink-soft);
  text-align: center;
}
.plan { padding: 0 24px 100px; }
.plan-list { max-width: 720px; margin: 36px auto 0; list-style: none; }
.plan-list li { display: flex; gap: 18px; align-items: baseline; padding: 20px 6px; border-bottom: 1px solid var(--line); }
.plan-list .no { font-size: 12px; letter-spacing: 0.1em; color: var(--shu); font-weight: 500; flex-shrink: 0; }
.plan-list .t { display: block; font-size: 16px; font-weight: 500; }
.plan-list .d { display: block; font-size: 14px; color: var(--ink-soft); }

/* 下層ページ: サービス詳細 */
.svc { padding: 76px 24px 24px; }
.svc-inner { max-width: 760px; margin: 0 auto; }
.svc-block { padding: 44px 0; border-bottom: 1px solid var(--line); }
.svc-block:first-child { padding-top: 0; }
.svc-no { font-size: 12px; letter-spacing: 0.22em; color: var(--shu); }
.svc-block h2 { font-size: 23px; letter-spacing: 0.08em; margin: 6px 0 16px; }
.svc-block > p { font-size: 15px; color: var(--ink-soft); }
.svc-cases { margin-top: 22px; background: var(--card); border: 1px solid var(--line); padding: 20px 26px; }
.svc-cases h3 { font-size: 13.5px; letter-spacing: 0.14em; color: var(--shu); margin-bottom: 8px; }
.svc-cases ul { list-style: none; }
.svc-cases li { font-size: 14px; color: var(--ink-soft); padding-left: 1.1em; position: relative; }
.svc-cases li::before { content: "・"; color: var(--shu); position: absolute; left: 0; }

/* 下層ページ: 料金・流れ・FAQ */
.price, .flow, .faq { padding: 76px 24px 0; }
.faq { padding-bottom: 104px; }
.price-table { max-width: 680px; margin: 0 auto; border-top: 1px solid var(--line); }
.price-table .row { display: flex; gap: 24px; padding: 16px 6px; border-bottom: 1px solid var(--line); }
.price-table dt { width: 250px; flex-shrink: 0; font-size: 15px; font-weight: 500; }
.price-table dd { font-size: 15px; color: var(--ink-soft); }
.price-note { max-width: 680px; margin: 14px auto 0; font-size: 13px; color: var(--muted); }

.price-sub { max-width: 680px; margin: 44px auto 14px; font-size: 17px; letter-spacing: 0.08em; }
.price-sub:first-of-type { margin-top: 0; }
.price-grid { width: 100%; max-width: 680px; margin: 0 auto; border-collapse: collapse; font-size: 15px; }
.price-grid th { font-size: 13px; letter-spacing: 0.08em; color: var(--muted); font-weight: 500; text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--ink); }
.price-grid td { padding: 13px 6px; border-bottom: 1px solid var(--line); color: var(--ink-soft); }
.price-grid td:first-child { color: var(--ink); font-weight: 500; }
.price-grid th:not(:first-child), .price-grid td:not(:first-child) { text-align: right; }

.flow-list { max-width: 640px; margin: 0 auto; list-style: none; }
.flow-list li { display: flex; gap: 22px; padding: 20px 6px; border-bottom: 1px solid var(--line); align-items: baseline; }
.flow-no { font-family: "Shippori Mincho", "Yu Mincho", serif; font-size: 20px; color: var(--shu); flex-shrink: 0; }
.flow-list h3 { font-size: 17px; letter-spacing: 0.06em; margin-bottom: 4px; }
.flow-list p { font-size: 14px; color: var(--ink-soft); }

.faq-list { max-width: 720px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { display: flex; gap: 14px; align-items: baseline; font-size: 16px; font-weight: 500; padding: 20px 34px 20px 6px; cursor: pointer; list-style: none; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "＋"; color: var(--shu); position: absolute; right: 8px; font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-q { color: var(--shu); font-family: "Shippori Mincho", "Yu Mincho", serif; flex-shrink: 0; }
.faq-a { padding: 0 6px 24px; font-size: 14.5px; color: var(--ink-soft); }

/* 事務所案内ページ */
.about { padding: 76px 24px 0; }
.about-photo { max-width: 280px; margin: 0 auto 40px; }
.about-photo img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  display: block;
  border: 1px solid var(--line);
  background: var(--card);
  padding: 8px;
}
.about-inner { max-width: 720px; margin: 0 auto; }
.about-inner p { font-size: 15.5px; color: var(--ink-soft); margin-bottom: 1.6em; }
.about-sign { text-align: right; font-size: 16px; color: var(--ink); margin-top: 32px; letter-spacing: 0.08em; }
.bio { padding: 76px 24px; }
.bio dl { max-width: 720px; margin: 0 auto; border-top: 1px solid var(--line); }
.bio .row { display: flex; gap: 28px; padding: 15px 6px; border-bottom: 1px solid var(--line); }
.bio dt { width: 130px; flex-shrink: 0; font-size: 14px; letter-spacing: 0.08em; color: var(--muted); }
.bio dd { font-size: 15px; color: var(--ink-soft); }

/* お問い合わせフォーム */
.contact-form { padding: 64px 24px 104px; }
.form-wrap { max-width: 640px; margin: 0 auto; }
.form-field { margin-bottom: 22px; }
.form-field label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; }
.req {
  display: inline-block;
  font-size: 11px;
  color: var(--shu);
  border: 1px solid var(--shu);
  border-radius: 2px;
  padding: 0 6px;
  margin-left: 8px;
}
.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field select,
.form-field textarea {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 12px 14px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { outline: none; border-color: var(--shu); }
.form-field textarea { min-height: 170px; resize: vertical; }
.hp-field { position: absolute; left: -9999px; }
.consent { display: flex; align-items: baseline; gap: 10px; }
.consent label { display: inline; font-weight: 400; font-size: 14.5px; margin: 0; }
.form-note { font-size: 13.5px; color: var(--muted); margin: 20px 0 26px; }
.form-error {
  background: #F7E5E2;
  border: 1px solid var(--shu);
  color: #8E3322;
  font-size: 14px;
  padding: 12px 16px;
  margin-bottom: 24px;
}
.form-wrap .btn-primary { border: none; cursor: pointer; width: 100%; font-family: inherit; }

/* プライバシーポリシー等 */
.legal { padding: 56px 24px 104px; }
.legal-inner { max-width: 720px; margin: 0 auto; }
.legal-inner h2 { font-size: 18px; letter-spacing: 0.06em; margin: 40px 0 10px; }
.legal-inner p, .legal-inner li { font-size: 14.5px; color: var(--ink-soft); }
.legal-inner ul { padding-left: 1.4em; }
.legal-date { margin-top: 40px; font-size: 13px; color: var(--muted); text-align: right; }

/* レスポンシブ */
@media (max-width: 880px) {
  .reason-grid { grid-template-columns: 1fr; max-width: 560px; }
}
@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--washi);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 18px;
    font-size: 15px;
  }
  .site-nav.open { display: flex; }
  .hero { padding: 72px 24px 64px; }
  .door-grid { grid-template-columns: 1fr; }
  .outline .row { flex-direction: column; gap: 0; }
  .outline dt { width: auto; }
  .price-table .row { flex-direction: column; gap: 0; }
  .price-table dt { width: auto; }
}