:root {
  --gold: #b59a2b;
  --gold-light: #d7c56f;
  --text: #171717;
  --muted: #6e6a60;
  --line: #e9e5d9;
  --bg-soft: #faf9f5;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: "Noto Serif JP", serif;
  line-height: 1.9;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: 92px;
  padding: 14px 6vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,.93);
  border-bottom: 1px solid rgba(181,154,43,.12);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.brand-mark,
.hero-logo,
.wall-logo span {
  color: var(--gold);
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  letter-spacing: -8px;
}

.brand-mark {
  font-size: 48px;
  line-height: 1;
}

.brand-name {
  font-family: "Cormorant Garamond", serif;
  font-size: 18px;
  font-weight: 600;
}

.nav,
.footer-nav {
  display: flex;
  gap: 34px;
}

.nav a,
.footer-nav a {
  position: relative;
  font-family: "Cormorant Garamond", serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width .25s ease;
}

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

.menu-button {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 28px;
  height: 1px;
  margin: 7px 0;
  background: #111;
}

.section {
  scroll-margin-top: 90px;
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.hero {
  min-height: 780px;
  padding-top: 92px;
  display: grid;
  place-items: center;
  position: relative;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(3px);
  opacity: .28;
}

.hero::before {
  width: 380px;
  height: 380px;
  top: 160px;
  left: -160px;
  background: radial-gradient(circle, rgba(181,154,43,.15), transparent 70%);
}

.hero::after {
  width: 420px;
  height: 420px;
  right: -170px;
  bottom: 40px;
  background: radial-gradient(circle, rgba(181,154,43,.13), transparent 70%);
}

.hero-inner {
  text-align: center;
  margin-top: -35px;
}

.hero-logo {
  font-size: 106px;
  line-height: .7;
}

.hero-company {
  margin: 20px 0 60px;
  font-family: "Cormorant Garamond", serif;
  font-size: 34px;
  font-weight: 600;
}

.hero h1 {
  margin: 0;
  font-size: clamp(26px, 3vw, 43px);
  letter-spacing: .08em;
  font-weight: 500;
}

.hero-en {
  margin-top: 6px;
  font-family: "Cormorant Garamond", serif;
  font-size: 21px;
}

.scroll {
  position: absolute;
  bottom: 34px;
  color: var(--gold);
  font-family: "Cormorant Garamond", serif;
  font-size: 12px;
  letter-spacing: .08em;
  text-align: center;
}

.scroll span {
  display: block;
  width: 1px;
  height: 42px;
  margin: 0 auto 8px;
  background: linear-gradient(var(--gold), transparent);
}

.about {
  padding: 70px 0;
  border-bottom: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 70px;
  align-items: center;
}

.image-panel {
  min-height: 490px;
  background-position: center;
  background-size: cover;
}

.city-image {
  background:
    linear-gradient(rgba(255,255,255,.1), rgba(255,255,255,.18)),
    url("assets/city.svg") center/cover no-repeat;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--gold);
  font-family: "Cormorant Garamond", serif;
  font-size: 17px;
  letter-spacing: .18em;
}

.content h2,
.section-heading h2,
.news-title h2,
.company-text h2,
.contact-text h2 {
  margin: 0;
  font-size: 30px;
  font-weight: 500;
  letter-spacing: .08em;
}

.gold-line {
  width: 44px;
  height: 2px;
  margin: 17px 0 28px;
  background: var(--gold);
}

.gold-line.centered {
  margin-left: auto;
  margin-right: auto;
}

.content h3 {
  margin: 0 0 20px;
  font-size: 22px;
  font-weight: 500;
}

.content p,
.company-text p,
.contact-text p {
  font-size: 14px;
}

.outline-button {
  min-width: 220px;
  min-height: 52px;
  padding: 12px 24px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 25px;
  color: var(--gold);
  border: 1px solid rgba(181,154,43,.65);
  background: rgba(255,255,255,.72);
  transition: .25s ease;
}

.outline-button:hover {
  color: #fff;
  background: var(--gold);
}

.service {
  padding: 80px 0;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 48px;
  text-align: center;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.service-card {
  min-height: 320px;
  padding: 42px 28px;
  background: #fff;
  border: 1px solid var(--line);
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0,0,0,.06);
}

.icon {
  height: 76px;
  color: var(--gold);
  font-size: 47px;
  line-height: 1;
}

.service-card h3 {
  font-size: 16px;
  font-weight: 600;
}

.service-card p {
  font-size: 13px;
  line-height: 2;
}

.center {
  margin-top: 34px;
  text-align: center;
}

.news {
  padding: 75px 0;
  border-bottom: 1px solid var(--line);
}

.news-layout {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 70px;
}

.news-list > a {
  min-height: 52px;
  display: grid;
  grid-template-columns: 150px 1fr 20px;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.news-list time {
  font-family: "Cormorant Garamond", serif;
  font-size: 15px;
  font-weight: 600;
}

.news-list b {
  font-size: 22px;
  font-weight: 400;
}

.company,
.contact {
  min-height: 420px;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
}

.company-text,
.contact-text {
  padding: 70px max(6vw, 40px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.company-image {
  min-height: 420px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(90deg, rgba(255,255,255,.65), rgba(255,255,255,.15)),
    url("assets/office.svg") center/cover no-repeat;
}

.wall-logo {
  text-align: center;
  text-shadow: 0 3px 12px rgba(0,0,0,.12);
}

.wall-logo span {
  display: block;
  font-size: 95px;
  line-height: .8;
}

.wall-logo small {
  display: block;
  margin-top: 20px;
  font-family: "Cormorant Garamond", serif;
  font-size: 28px;
  font-weight: 600;
}

.contact {
  grid-template-columns: 1.15fr 1fr;
}

.contact-image {
  min-height: 420px;
  background:
    linear-gradient(90deg, rgba(255,255,255,.08), rgba(255,255,255,.78)),
    url("assets/concert.svg") center/cover no-repeat;
}

.footer {
  padding: 42px 6vw 24px;
  border-top: 1px solid var(--line);
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: center;
}

.socials {
  display: flex;
  justify-content: flex-end;
  gap: 24px;
}

.socials a {
  color: var(--gold);
  font-size: 25px;
}

.footer-copy {
  margin: 38px 0 0;
  text-align: center;
  font-family: "Cormorant Garamond", serif;
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s ease, transform .8s ease;
}

.reveal.show {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .header {
    height: 76px;
  }

  .menu-button {
    display: block;
    z-index: 2;
  }

  .nav {
    position: fixed;
    inset: 0;
    padding-top: 110px;
    flex-direction: column;
    align-items: center;
    background: rgba(255,255,255,.98);
    transform: translateX(100%);
    transition: transform .3s ease;
  }

  .nav.open {
    transform: translateX(0);
  }

  .hero {
    min-height: 660px;
    padding-top: 76px;
  }

  .split,
  .news-layout,
  .company,
  .contact {
    grid-template-columns: 1fr;
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-layout {
    gap: 15px;
  }

  .company-image,
  .contact-image {
    order: -1;
  }

  .footer-main {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-main .brand,
  .socials {
    justify-content: center;
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 560px) {
  .header {
    padding: 10px 20px;
  }

  .brand-mark {
    font-size: 40px;
  }

  .hero-logo {
    font-size: 84px;
  }

  .hero-company {
    margin-bottom: 42px;
    font-size: 28px;
  }

  .hero h1 {
    padding: 0 18px;
    font-size: 22px;
    line-height: 1.8;
  }

  .hero-en {
    padding: 0 20px;
    font-size: 16px;
  }

  .about,
  .service,
  .news {
    padding: 55px 0;
  }

  .split {
    gap: 35px;
  }

  .image-panel {
    min-height: 340px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .news-list > a {
    grid-template-columns: 90px 1fr 12px;
    font-size: 12px;
  }

  .company-text,
  .contact-text {
    padding: 55px 7vw;
  }

  .footer-nav {
    gap: 18px;
  }
}


/* =========================================================
   下層ページ共通
   ========================================================= */
.subpage {
  padding-top: 92px;
}

.sub-hero {
  min-height: 360px;
  display: grid;
  place-items: center;
  text-align: center;
  background:
    radial-gradient(circle at 25% 30%, rgba(181,154,43,.10), transparent 30%),
    radial-gradient(circle at 75% 70%, rgba(181,154,43,.08), transparent 35%),
    #fff;
  border-bottom: 1px solid var(--line);
}

.sub-hero .eyebrow {
  font-size: 18px;
}

.sub-hero h1 {
  margin: 4px 0 8px;
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 500;
  letter-spacing: .10em;
}

.sub-hero p:last-child {
  margin: 0;
  color: var(--muted);
  font-family: "Cormorant Garamond", serif;
}

.sub-content {
  padding: 80px 0 100px;
}

.sub-content .lead {
  max-width: 850px;
  margin: 0 auto 65px;
  text-align: center;
  font-size: 16px;
  line-height: 2.2;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.detail-card {
  padding: 36px;
  border: 1px solid var(--line);
  background: #fff;
}

.detail-card h2,
.detail-card h3 {
  margin-top: 0;
  font-weight: 500;
}

.detail-card h2 {
  font-size: 24px;
}

.detail-card h3 {
  font-size: 18px;
}

.detail-card p {
  margin-bottom: 0;
  font-size: 14px;
}

.detail-card .icon {
  height: auto;
  margin-bottom: 18px;
  font-size: 38px;
}

.table-like {
  border-top: 1px solid var(--line);
}

.table-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  border-bottom: 1px solid var(--line);
}

.table-row dt,
.table-row dd {
  margin: 0;
  padding: 20px 22px;
}

.table-row dt {
  background: var(--bg-soft);
  font-weight: 600;
}

.news-archive {
  max-width: 900px;
  margin: 0 auto;
}

.news-archive a {
  min-height: 64px;
  display: grid;
  grid-template-columns: 140px 1fr 20px;
  gap: 18px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.news-archive time {
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
}

.news-empty {
  padding: 50px 20px;
  text-align: center;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--bg-soft);
}

.contact-box {
  max-width: 820px;
  margin: 0 auto;
  padding: 45px;
  border: 1px solid var(--line);
  background: #fff;
}

.contact-form {
  display: grid;
  gap: 24px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #d9d4c5;
  background: #fff;
  font: inherit;
}

.contact-form textarea {
  min-height: 180px;
  resize: vertical;
}

.contact-note {
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
}

.back-home {
  margin-top: 55px;
  text-align: center;
}

@media (max-width: 900px) {
  .subpage {
    padding-top: 76px;
  }
  .detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .sub-hero {
    min-height: 280px;
  }
  .sub-content {
    padding: 55px 0 75px;
  }
  .table-row {
    grid-template-columns: 1fr;
  }
  .table-row dt,
  .table-row dd {
    padding: 14px 16px;
  }
  .news-archive a {
    grid-template-columns: 90px 1fr 10px;
    font-size: 12px;
  }
  .contact-box {
    padding: 28px 20px;
  }
}


/* NEWS自動表示 */
.news-list [data-news-top] > a {
  min-height: 52px;
  display: grid;
  grid-template-columns: 150px 1fr 20px;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.news-list [data-news-top] time {
  font-family: "Cormorant Garamond", serif;
  font-size: 15px;
  font-weight: 600;
}

.news-list [data-news-top] b {
  font-size: 22px;
  font-weight: 400;
}

@media (max-width: 560px) {
  .news-list [data-news-top] > a {
    grid-template-columns: 90px 1fr 12px;
    font-size: 12px;
  }
}


/* =========================================================
   LRロゴ画像差し替え
   ※ 既存デザインは変更せず、ロゴ表示のみ画像化
   ========================================================= */
.brand-logo-img {
  display: block;
  width: 108px;
  height: auto;
}

.hero-logo-img {
  display: block;
  width: 190px;
  height: auto;
  margin: 0 auto 54px;
}

.wall-logo-img {
  display: block;
  width: 190px;
  height: auto;
  margin: 0 auto;
}

@media (max-width: 560px) {
  .brand-logo-img {
    width: 94px;
  }

  .hero-logo-img {
    width: 160px;
    margin-bottom: 42px;
  }

  .wall-logo-img {
    width: 165px;
  }
}