:root {
  --bg: #f7f6f2;
  --paper: #fffefa;
  --ink: #202020;
  --muted: #66645f;
  --hairline: rgba(32,32,32,.14);
  --softline: rgba(32,32,32,.08);
  --accent: #6d665a;
  --max: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 8%, rgba(255,255,255,.82), transparent 32rem),
    linear-gradient(180deg, #fbfaf6 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  line-height: 1.82;
  letter-spacing: .045em;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: .22em;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247,246,242,.84);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--softline);
}

.header-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.logo {
  text-decoration: none;
  display: grid;
  gap: 2px;
}

.logo-ja {
  font-size: 18px;
  letter-spacing: .16em;
  font-weight: 500;
}

.logo-en {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--muted);
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
  color: var(--muted);
}

.nav a {
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
}

.hero {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  min-height: 68vh;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 56px;
  align-items: center;
  padding: 72px 0 84px;
}

.hero-small {
  min-height: 40vh;
  padding: 64px 0 56px;
}

.kicker {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 18px;
}

h1, h2, h3 {
  font-weight: 400;
  line-height: 1.45;
  margin: 0;
}

h1 {
  font-size: clamp(34px, 6vw, 72px);
  letter-spacing: .12em;
}

h2 {
  font-size: clamp(24px, 3vw, 38px);
  letter-spacing: .12em;
}

h3 {
  font-size: 18px;
  letter-spacing: .09em;
}

.lead {
  margin: 26px 0 0;
  max-width: 760px;
  color: #383632;
  font-size: clamp(15px, 1.8vw, 18px);
}

.hero-mark {
  position: relative;
  min-height: 360px;
  border: 1px solid var(--hairline);
  background:
    linear-gradient(135deg, rgba(255,255,255,.86), rgba(255,255,255,.12)),
    repeating-linear-gradient(90deg, transparent, transparent 31px, rgba(32,32,32,.055) 32px),
    repeating-linear-gradient(0deg, transparent, transparent 31px, rgba(32,32,32,.045) 32px);
  overflow: hidden;
}

.hero-mark::before {
  content: "";
  position: absolute;
  width: 56%;
  aspect-ratio: 1;
  border-radius: 50%;
  right: 10%;
  top: 13%;
  border: 1px solid rgba(32,32,32,.28);
  background: radial-gradient(circle at 38% 32%, rgba(255,255,255,.95), rgba(255,255,255,.18) 58%, rgba(32,32,32,.05) 100%);
  box-shadow: 0 28px 80px rgba(32,32,32,.08);
}

.hero-mark::after {
  content: "";
  position: absolute;
  width: 56%;
  aspect-ratio: 1;
  border-radius: 50%;
  right: 23%;
  top: 27%;
  border: 1px solid rgba(32,32,32,.18);
  transform: rotate(12deg);
}

.section {
  border-top: 1px solid var(--softline);
  padding: 78px 0;
}

.section-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 56px;
  align-items: start;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  min-height: 260px;
  padding: 30px;
  background: rgba(255,255,255,.46);
  border: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-number {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: .2em;
}

.card p,
.text p {
  color: var(--muted);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--hairline);
  text-decoration: none;
  font-size: 13px;
  background: rgba(255,255,255,.45);
}

.button:hover {
  background: var(--ink);
  color: var(--paper);
}

.list {
  border-top: 1px solid var(--hairline);
}

.list-item {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--hairline);
}

.list-item .meta {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--muted);
  letter-spacing: .08em;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.thumb {
  aspect-ratio: 1;
  border: 1px solid var(--hairline);
  background:
    linear-gradient(135deg, rgba(255,255,255,.62), rgba(0,0,0,.035)),
    repeating-linear-gradient(45deg, transparent, transparent 12px, rgba(0,0,0,.025) 13px);
  display: flex;
  align-items: end;
  padding: 14px;
  color: var(--muted);
  font-size: 12px;
}

.image-band {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  margin-top: 34px;
}

.image-placeholder {
  min-height: 280px;
  border: 1px solid var(--hairline);
  background:
    linear-gradient(145deg, rgba(255,255,255,.7), rgba(0,0,0,.04)),
    repeating-linear-gradient(90deg, transparent, transparent 35px, rgba(0,0,0,.025) 36px);
  display: flex;
  align-items: end;
  padding: 20px;
  color: var(--muted);
  font-size: 12px;
}

.company-data {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
}

.company-data th,
.company-data td {
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline);
  text-align: left;
  vertical-align: top;
}

.company-data th {
  width: 180px;
  font-weight: 400;
  color: var(--muted);
}

.note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 18px;
}

.site-footer {
  border-top: 1px solid var(--softline);
  padding: 42px 0;
  color: var(--muted);
  font-size: 12px;
}

.footer-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 28px;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .header-inner {
    min-height: auto;
    padding: 18px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero,
  .section-grid,
  .image-band,
  .list-item {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 52px;
  }

  .hero-mark {
    min-height: 260px;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-inner {
    flex-direction: column;
  }
}