:root {
  --navy: #14233f;
  --navy-2: #1e3358;
  --ink: #1c2433;
  --muted: #5f6b7d;
  --line: #d9dee6;
  --tint: #f4f2ec;
  --gold: #b08d4c;
  --white: #fff;
  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-body: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --max: 1080px;
  --pad: clamp(18px, 4vw, 40px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { font-family: var(--font-body); color: var(--ink); background: var(--white); line-height: 1.9; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ---------- 上部の帯・ヘッダー ---------- */
.topbar { display: flex; justify-content: space-between; gap: 16px; padding: 6px var(--pad); font-size: .78rem; color: #cfd6e2; background: var(--navy); }
.topbar b { margin-left: 8px; font-size: .95rem; letter-spacing: .06em; color: var(--white); }

.header { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px var(--pad); background: rgba(255, 255, 255, .96); border-bottom: 1px solid var(--line); transition: box-shadow .3s; }
.header.scrolled { box-shadow: 0 6px 20px rgba(20, 35, 63, .08); }

.logo { display: flex; align-items: center; gap: 12px; font-family: var(--font-serif); font-size: 1.15rem; font-weight: 700; letter-spacing: .08em; color: var(--navy); white-space: nowrap; }
.logo-mark { display: grid; place-items: center; width: 34px; height: 34px; font-size: 1rem; color: var(--white); background: var(--navy); border-bottom: 3px solid var(--gold); }

.nav { display: flex; align-items: center; gap: 24px; font-size: .88rem; font-weight: 500; }
.nav a { position: relative; padding: 4px 0; white-space: nowrap; }
.nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: var(--gold); transform: scaleX(0); transition: transform .25s; }
.nav a:not(.nav-cta):hover::after { transform: scaleX(1); }
.nav-cta { padding: 9px 22px !important; color: var(--white); background: var(--navy); transition: background .2s; }
.nav-cta:hover { background: var(--navy-2); }

.nav-toggle { display: none; position: relative; width: 44px; height: 44px; background: none; border: 1px solid var(--line); cursor: pointer; }
.nav-toggle span { position: absolute; left: 11px; width: 20px; height: 1px; background: var(--navy); transition: transform .25s, opacity .25s; }
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- ファーストビュー ---------- */
.hero { position: relative; padding: clamp(64px, 10vw, 120px) var(--pad) 0; color: var(--white); background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 70%, #2b4674 100%); overflow: hidden; }
.hero::before { content: ""; position: absolute; right: -8%; top: -30%; width: 620px; aspect-ratio: 1; border: 1px solid rgba(176, 141, 76, .45); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255, 255, 255, .03), 0 0 0 150px rgba(255, 255, 255, .025); }
.hero-text { position: relative; max-width: var(--max); margin: 0 auto; }
.hero-label { font-size: .76rem; letter-spacing: .34em; color: var(--gold); }
.hero h1 { margin: 18px 0 24px; font-family: var(--font-serif); font-weight: 500; font-size: clamp(2.1rem, 5.6vw, 4rem); line-height: 1.45; letter-spacing: .06em; }
.hero-lead { max-width: 34em; color: #d5dcea; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 12px 30px; font-size: .95rem; font-weight: 700; letter-spacing: .06em; border: 1px solid transparent; transition: background .2s, color .2s, transform .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-gold { color: var(--white); background: var(--gold); }
.btn-gold:hover { background: #c29f5e; }
.btn-line { border-color: rgba(255, 255, 255, .5); }
.btn-line:hover { color: var(--navy); background: var(--white); }
.btn-white { color: var(--navy); background: var(--white); }

.hero-stats { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: var(--max); margin: clamp(48px, 7vw, 80px) auto 0; color: var(--ink); background: var(--white); border-top: 3px solid var(--gold); box-shadow: 0 18px 40px rgba(20, 35, 63, .12); transform: translateY(40px); }
.hero-stats > div { padding: 22px clamp(14px, 3vw, 34px); border-left: 1px solid var(--line); }
.hero-stats > div:first-child { border-left: 0; }
.hero-stats dt { font-size: .8rem; color: var(--muted); }
.hero-stats dd { font-family: var(--font-serif); font-size: clamp(2rem, 4.4vw, 3rem); font-weight: 700; line-height: 1.2; color: var(--navy); }
.hero-stats small { margin-left: 6px; font-family: var(--font-body); font-size: .82rem; font-weight: 500; color: var(--muted); }

/* ---------- お知らせ ---------- */
.news { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 20px; max-width: var(--max); margin: 0 auto; padding: 96px var(--pad) 0; }
.news h2 { font-family: var(--font-serif); font-size: 1.1rem; letter-spacing: .1em; color: var(--navy); }
.news li { display: flex; gap: 22px; padding: 12px 0; font-size: .92rem; border-bottom: 1px solid var(--line); }
.news li:first-child { padding-top: 0; }
.news time { flex-shrink: 0; color: var(--gold); font-weight: 700; letter-spacing: .04em; }

/* ---------- 共通 ---------- */
.section { padding: clamp(64px, 9vw, 110px) var(--pad); }
.section > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.section-tint { background: var(--tint); }

.head { margin-bottom: 44px; text-align: center; }
.head p, .eyebrow { font-size: .74rem; letter-spacing: .34em; color: var(--gold); }
.head h2 { position: relative; display: inline-block; padding-bottom: 16px; font-family: var(--font-serif); font-size: clamp(1.6rem, 3.4vw, 2.2rem); font-weight: 700; letter-spacing: .1em; color: var(--navy); }
.head h2::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 40px; height: 2px; margin-left: -20px; background: var(--gold); }

.note { margin-top: 20px; font-size: .86rem; color: var(--muted); }

/* ---------- 業務案内 ---------- */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.services article { position: relative; padding: 34px 28px 36px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .3s; }
.services article:hover { background: var(--tint); }
.services span { font-family: var(--font-serif); font-size: 1.9rem; line-height: 1; color: var(--gold); }
.services h3 { margin: 12px 0 10px; font-family: var(--font-serif); font-size: 1.2rem; letter-spacing: .06em; color: var(--navy); }
.services p { font-size: .92rem; color: var(--muted); }

/* ---------- 料金 ---------- */
.table-wrap { overflow-x: auto; }
.fee { width: 100%; min-width: 520px; border-collapse: collapse; background: var(--white); }
.fee th, .fee td { padding: 18px 20px; text-align: center; border: 1px solid var(--line); }
.fee thead th { font-weight: 500; letter-spacing: .08em; color: var(--white); background: var(--navy); border-color: var(--navy); }
.fee tbody th { font-weight: 500; text-align: left; background: #faf9f5; }
.fee td { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700; color: var(--navy); }

/* ---------- 流れ ---------- */
.flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px; }
.flow li { position: relative; padding: 26px 22px 28px; border: 1px solid var(--line); border-top: 3px solid var(--navy); }
.flow li:not(:last-child)::after { content: ""; position: absolute; top: 50%; right: -15px; width: 8px; height: 8px; border-top: 1px solid var(--gold); border-right: 1px solid var(--gold); transform: rotate(45deg); }
.flow span { font-size: .72rem; font-weight: 700; letter-spacing: .2em; color: var(--gold); }
.flow h3 { margin: 6px 0 8px; font-family: var(--font-serif); font-size: 1.1rem; color: var(--navy); }
.flow p { font-size: .88rem; color: var(--muted); }

/* ---------- 代表挨拶 ---------- */
.message { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: clamp(30px, 6vw, 80px); align-items: center; max-width: calc(var(--max) + var(--pad) * 2); margin: 0 auto; }
.message > * { max-width: none; margin: 0; }
.portrait { position: relative; aspect-ratio: 4 / 5; display: grid; place-items: center; background: linear-gradient(160deg, #dfe4ec, #b9c3d3); }
.portrait::after { content: ""; position: absolute; inset: 14px -14px -14px 14px; border: 1px solid var(--gold); z-index: -1; }
.portrait span { font-family: var(--font-serif); font-size: 6rem; color: rgba(20, 35, 63, .28); }
.message h2 { margin: 12px 0 24px; font-family: var(--font-serif); font-size: clamp(1.5rem, 3.2vw, 2.1rem); line-height: 1.6; letter-spacing: .06em; color: var(--navy); }
.message-body p + p { margin-top: 14px; }
.sign { margin-top: 26px !important; font-size: .86rem; color: var(--muted); }
.sign b { margin-left: 14px; font-family: var(--font-serif); font-size: 1.4rem; letter-spacing: .14em; color: var(--ink); }

/* ---------- 事務所概要 ---------- */
.office { max-width: 820px; background: var(--white); border-top: 2px solid var(--navy); }
.office > div { display: grid; grid-template-columns: 160px minmax(0, 1fr); border-bottom: 1px solid var(--line); }
.office dt { padding: 18px 22px; font-weight: 500; color: var(--navy); background: #faf9f5; }
.office dd { padding: 18px 22px; }

/* ---------- お問い合わせ ---------- */
.contact { padding: clamp(60px, 8vw, 96px) var(--pad); text-align: center; color: var(--white); background: var(--navy); }
.contact h2 { font-family: var(--font-serif); font-size: clamp(1.6rem, 3.6vw, 2.3rem); font-weight: 500; letter-spacing: .1em; }
.contact > p { margin-top: 10px; color: #cfd6e2; }
.contact-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 30px; }
.contact-note { font-size: .8rem; }

.footer { padding: 34px var(--pad); text-align: center; color: #cfd6e2; background: #0e1930; }
.footer-logo { font-family: var(--font-serif); font-size: 1.1rem; letter-spacing: .12em; color: var(--white); }
.copy { margin-top: 8px; font-size: .76rem; }

/* ---------- 表示アニメーション ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js [data-reveal].in { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--pad) 20px; background: var(--white); border-bottom: 1px solid var(--line); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .25s, transform .25s, visibility .25s; }
  .nav.open { opacity: 1; visibility: visible; transform: none; }
  .nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .nav-cta { margin-top: 16px; text-align: center; border-bottom: 0 !important; }
  .services { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow li::after { display: none; }
}

@media (max-width: 640px) {
  .topbar p:first-child { display: none; }
  .topbar { justify-content: center; }
  .logo { font-size: 1rem; }
  .hero-stats { grid-template-columns: minmax(0, 1fr); }
  .hero-stats > div { display: flex; align-items: baseline; justify-content: space-between; padding: 14px 20px; border-left: 0; border-top: 1px solid var(--line); }
  .hero-stats > div:first-child { border-top: 0; }
  .news { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .news li { flex-direction: column; gap: 2px; }
  .services, .flow { grid-template-columns: minmax(0, 1fr); }
  .message { grid-template-columns: minmax(0, 1fr); }
  .portrait { max-width: 240px; }
  .office > div { grid-template-columns: minmax(0, 1fr); }
  .office dt { padding-bottom: 6px; }
  .office dd { padding-top: 10px; }
  .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}