:root {
  --ink: #29251f;
  --muted: #6a6258;
  --forest: #173f35;
  --forest-2: #28594b;
  --ivory: #f4f0e9;
  --paper: #fbf9f5;
  --warm: #dfd5c7;
  --gold: #a98c62;
  --clay: #a8755b;
  --stone: #7a6f62;
  --sand: #d8cbbb;
  --purple-deep: #26192f;
  --purple: #51315f;
  --purple-soft: #87708f;
  --purple-mist: #eee7f0;
  --purple-gold: #c4a66f;
  --line: rgba(76, 65, 53, .16);
  --shadow: 0 22px 60px rgba(70, 57, 44, .11);
  --radius: 22px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--ivory);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", Meiryo, sans-serif;
  font-size: 1rem;
  line-height: 1.8;
  letter-spacing: .025em;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: #fff; padding: .7rem 1rem; border-radius: 8px; }
.skip-link:focus { top: 1rem; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 40; background: rgba(251,249,245,.94); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; flex-direction: column; line-height: 1.05; }
.brand strong { font-family: Georgia, "Times New Roman", serif; letter-spacing: .17em; font-size: 1.5rem; color: var(--forest); }
.brand span { margin-top: 7px; font-size: .72rem; letter-spacing: .16em; }
.nav { display: flex; gap: 24px; align-items: center; font-size: .84rem; font-weight: 700; letter-spacing: .08em; }
.nav a { padding-block: 12px; border-bottom: 1px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--forest-2); border-color: var(--gold); }
.menu-button { display: none; border: 1px solid var(--line); background: transparent; color: var(--ink); border-radius: 999px; padding: .65rem 1rem; font: inherit; }

.hero { min-height: 680px; display: grid; align-items: center; overflow: hidden; position: relative; background: linear-gradient(115deg, #f7f3ed 0%, #eee7dd 58%, #e0d4c5 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 520px; height: 520px; right: -140px; top: 30px; background: radial-gradient(circle at 35% 35%, rgba(169,140,98,.28), rgba(122,111,98,.08) 55%, transparent 70%); }
.hero::after { width: 390px; height: 390px; right: 18%; bottom: -220px; background: rgba(168,117,91,.07); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(290px, .75fr); gap: 72px; align-items: center; padding-block: 92px; position: relative; z-index: 1; }
.eyebrow { color: var(--gold); font: 700 .75rem/1.4 Georgia, serif; letter-spacing: .2em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; color: var(--forest); line-height: 1.4; }
h1 { margin-top: 20px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(2.5rem, 4vw, 3.5rem); font-weight: 500; letter-spacing: .035em; }
.hero-copy { max-width: 720px; margin: 28px 0 0; color: #5c554d; font-size: clamp(1rem, 1.5vw, 1.18rem); }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: .8rem 1.35rem; border-radius: 999px; border: 1px solid var(--forest); font-weight: 700; font-size: .9rem; transition: .2s ease; }
.button.primary { background: var(--forest); color: white; }
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(23,63,53,.15); }
.hero-mark { aspect-ratio: 1; border-radius: 50% 50% 44% 56%; position: relative; background: linear-gradient(145deg, rgba(255,255,255,.82), rgba(216,203,187,.68)); box-shadow: var(--shadow); display: grid; place-items: center; }
.hero-mark::before { content: ""; width: 58%; aspect-ratio: 1; border-radius: 50%; background: linear-gradient(145deg, #31584c, #203d35); box-shadow: inset 0 0 0 1px rgba(255,255,255,.22); }
.hero-mark::after { content: "PRODUCT  ·  MARKET  ·  CUSTOMER"; position: absolute; bottom: 12%; color: var(--forest); font: 700 .58rem Georgia, serif; letter-spacing: .14em; }
.hero-mark span { position: absolute; z-index: 1; color: var(--ivory); font: 500 clamp(4rem, 9vw, 7rem)/1 Georgia, serif; }

.section { padding-block: 108px; }
.section.alt { background: var(--paper); border-block: 1px solid rgba(23,63,53,.06); }
.section-heading { display: grid; grid-template-columns: .7fr 1.3fr; gap: 50px; align-items: end; margin-bottom: 54px; }
.section-heading h2 { margin-top: 10px; font-family: "Yu Mincho", serif; font-size: clamp(1.65rem, 2.5vw, 2rem); font-weight: 500; }
.section-heading p { margin: 0; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: 0 12px 32px rgba(70,57,44,.05); }
.alt .card { background: var(--ivory); }
.number { color: var(--gold); font: 700 .74rem Georgia, serif; letter-spacing: .15em; }
.card h3 { margin-top: 22px; font-size: 1.2rem; }
.card p { margin: 14px 0 0; color: var(--muted); font-size: 1rem; }
.feature-band { background: linear-gradient(135deg, #4f4941, #6c6257); color: white; border-radius: 32px; padding: 58px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; overflow: hidden; position: relative; box-shadow: var(--shadow); }
.feature-band::after { content: ""; position: absolute; width: 300px; height: 300px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; right: -90px; top: -120px; }
.feature-band h2, .feature-band h3 { color: white; }
.feature-band h2 { font-family: "Yu Mincho", serif; font-size: clamp(1.75rem, 2.5vw, 2.25rem); font-weight: 500; }
.feature-band p { color: rgba(255,255,255,.75); }
.feature-list { display: grid; gap: 14px; }
.feature-item { padding: 17px 0; border-bottom: 1px solid rgba(255,255,255,.15); display: flex; gap: 18px; align-items: baseline; }
.feature-item span { color: #d7c08e; font: 700 .72rem Georgia, serif; }
.brand-panel { display: grid; grid-template-columns: .9fr 1.1fr; border: 1px solid rgba(81,49,95,.22); border-radius: 30px; overflow: hidden; background: linear-gradient(135deg, #fffdfb, #f5f0f6); box-shadow: 0 24px 64px rgba(47,29,55,.12); }
.brand-visual { min-height: 420px; background: radial-gradient(circle at 72% 28%, rgba(196,166,111,.26), transparent 24%), linear-gradient(145deg, #21162b, #51315f 52%, #92779a); display: grid; place-items: center; position: relative; overflow: hidden; }
.brand-visual::before { content: "TSUKIKA"; font: 500 clamp(2.3rem, 5vw, 5rem) Georgia, serif; letter-spacing: .18em; color: #f5ead6; text-shadow: 0 3px 22px rgba(0,0,0,.28); }
.brand-visual::after { content: "月香"; position: absolute; margin-top: 95px; font-family: "Yu Mincho", serif; font-size: 1.2rem; letter-spacing: .7em; color: #dcc99f; }
.brand-content { padding: 58px; align-self: center; }
.brand-content h2 { margin-top: 8px; font-family: "Yu Mincho", serif; font-size: clamp(1.9rem, 2.5vw, 2.25rem); font-weight: 500; }
.brand-content p { color: var(--muted); }
.status { display: inline-flex; margin-top: 20px; border: 1px solid rgba(81,49,95,.42); color: var(--purple); background: rgba(81,49,95,.06); padding: .55rem .9rem; border-radius: 999px; font-size: .78rem; font-weight: 700; }
.brands-page .page-hero { background: radial-gradient(circle at 82% 28%, rgba(196,166,111,.2), transparent 25%), linear-gradient(120deg, #21162b, #51315f 58%, #7c6284); border-bottom-color: rgba(255,255,255,.12); }
.brands-page .page-hero h1 { color: #fffaf4; }
.brands-page .page-hero p { color: rgba(255,255,255,.76); }
.brands-page .page-hero .eyebrow { color: #dcc99f; }
.cta { border-top: 1px solid var(--line); }
.cta-inner { display: grid; grid-template-columns: 1.3fr .7fr; gap: 48px; align-items: center; }
.cta h2 { font-family: "Yu Mincho", serif; font-size: clamp(1.75rem, 2.8vw, 2.4rem); font-weight: 500; }

.page-hero { padding: 110px 0 80px; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 85% 20%, rgba(169,140,98,.18), transparent 34%), linear-gradient(120deg, #f7f3ed, #eee7de); }
.page-hero h1 { max-width: 900px; font-size: clamp(2.25rem, 3.5vw, 3rem); }
.page-hero .container, .page-hero h1, .hero-grid > *, .section-heading > * { min-width: 0; max-width: 100%; }
.page-hero p { max-width: 760px; margin: 24px 0 0; color: var(--muted); }
.title-desktop, .title-mobile { min-width: 0; max-width: 100%; }
.title-desktop { display: block; }
.title-mobile { display: none; }
.home-desktop-title { display: block; }
.home-mobile-title { display: none; }
.desktop-title-line { display: block; white-space: nowrap; }
.prose { max-width: 820px; }
.prose h2 { margin: 2.5rem 0 1rem; font-family: "Yu Mincho", serif; font-size: 2rem; font-weight: 500; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: #46564f; }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.strengths { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.timeline { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.timeline li { display: grid; grid-template-columns: 120px 1fr; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.timeline time { color: var(--gold); font: 700 1rem Georgia, serif; letter-spacing: .08em; }
.timeline p { margin: 0; color: #3f5048; }
.history-link { margin-top: 30px; }
.policy address { color: #46564f; font-style: normal; }
.business-list { display: grid; gap: 18px; }
.business-row { display: grid; grid-template-columns: 80px 1fr; gap: 28px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.business-row span { color: var(--gold); font: 700 .8rem Georgia, serif; }
.business-row h2 { font-size: 1.4rem; }
.business-row p { color: var(--muted); margin: 8px 0 0; }
.company-table { width: 100%; border-collapse: collapse; background: var(--paper); border-radius: 20px; overflow: hidden; }
.company-table th, .company-table td { padding: 22px 26px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.company-table th { width: 30%; color: var(--forest); font-size: .94rem; }
.placeholder { color: #9b5e43; font-weight: 700; }
.contact-box { max-width: 820px; background: var(--paper); border: 1px solid var(--line); border-radius: 28px; padding: 52px; }
.contact-mail { display: block; margin-top: 20px; font-family: Georgia, serif; font-size: clamp(1.5rem, 4vw, 2.6rem); color: var(--forest); overflow-wrap: anywhere; }
.notice { margin-top: 28px; padding: 18px 20px; border-left: 3px solid var(--gold); background: rgba(182,150,88,.08); color: var(--muted); font-size: .9rem; }

.site-footer { background: #2f302c; color: rgba(255,255,255,.78); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: start; }
.footer-brand strong { color: white; font: 600 1.7rem Georgia, serif; letter-spacing: .17em; }
.footer-brand p { margin: 12px 0 0; font-size: .84rem; }
.footer-links { display: grid; grid-template-columns: repeat(2, auto); gap: 10px 28px; font-size: .82rem; }
.copyright { margin-top: 50px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); font-size: .72rem; }

@media (min-width: 861px) {
  .hero-grid { grid-template-columns: minmax(0, 1.55fr) minmax(240px, .45fr); gap: 40px; }
  .hero h1 { font-size: clamp(2.7rem, 3.7vw, 3.5rem); }
  .home-section-heading { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .home-section-heading h2 { font-size: clamp(1.75rem, 2.5vw, 2rem); }
  .feature-band { grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr); gap: 36px; }
  .feature-band h2 { font-size: clamp(1.75rem, 2.5vw, 2.25rem); }
}

@media (max-width: 860px) {
  .header-inner { min-height: 72px; }
  .menu-button { display: inline-flex; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; padding: 18px 20px 24px; background: var(--ivory); border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 0; }
  .hero { min-height: auto; }
  .hero-grid, .section-heading, .feature-band, .brand-panel, .cta-inner { grid-template-columns: 1fr; }
  .hero-grid { gap: 48px; padding-block: 70px; }
  .hero-mark { width: min(100%, 430px); justify-self: center; }
  .section { padding-block: 80px; }
  .section-heading { gap: 18px; }
  .cards, .values, .strengths { grid-template-columns: 1fr; }
  .feature-band, .brand-content { padding: 38px 28px; }
  .brand-visual { min-height: 320px; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .brand strong { font-size: 1.25rem; }
  .brand span { font-size: .65rem; }
  .hero-grid { padding-block: 56px; }
  h1 { font-size: 2.45rem; }
  .hero h1, .page-hero h1 { font-size: clamp(1.85rem, 8vw, 2.15rem); }
  .section-heading h2, .home-section-heading h2, .feature-band h2, .cta h2, .prose h2 { font-size: 1.45rem; }
  .brand-content h2 { font-size: 1.75rem; }
  .hero h1, .page-hero h1 { white-space: normal; line-break: strict; overflow-wrap: anywhere; word-break: normal; max-width: 100%; }
  .title-desktop { display: none; }
  .title-mobile { display: block; }
  .home-desktop-title { display: none; }
  .home-mobile-title { display: inline; }
  .section { padding-block: 64px; }
  .card, .contact-box { padding: 28px 22px; }
  .feature-band { border-radius: 22px; }
  .brand-content { padding: 34px 24px; }
  .business-row { grid-template-columns: 1fr; gap: 8px; }
  .company-table, .company-table tbody, .company-table tr, .company-table th, .company-table td { display: block; width: 100%; }
  .company-table th { padding-bottom: 4px; border-bottom: 0; }
  .company-table td { padding-top: 4px; }
  .company-table td, .contact-mail { overflow-wrap: anywhere; }
  .timeline li { grid-template-columns: 1fr; gap: 6px; }
  .footer-links { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
/* Mobile refinements: desktop rules above remain unchanged. */
@media (max-width: 560px) {
  body { font-size: .94rem; line-height: 1.72; letter-spacing: .012em; }
  .header-inner { min-height: 68px; }
  .nav { top: 68px; }
  .hero-grid { gap: 25px; padding-block: 39px 44px; }
  .hero h1 { margin-top: 13px; font-size: clamp(1.82rem, 7.6vw, 2.03rem); line-height: 1.46; letter-spacing: .015em; }
  .hero-copy { margin-top: 17px; font-size: .93rem; line-height: 1.75; }
  .hero-actions { gap: 9px; margin-top: 22px; }
  .hero-actions .button { min-height: 46px; padding: .65rem 1rem; font-size: .82rem; }
  .hero-mark { width: min(72%, 310px); }
  .hero-mark span { font-size: clamp(3.15rem, 15vw, 4.5rem); }
  .hero-mark::after { font-size: .47rem; letter-spacing: .09em; }
  .section { padding-block: 58px; }
  .section-heading { margin-bottom: 30px; gap: 12px; }
  .section-heading h2, .home-section-heading h2, .feature-band h2, .cta h2, .prose h2 { font-size: 1.36rem; line-height: 1.48; }
  .section-heading p, .card p, .prose p, .prose li { line-height: 1.72; }
  .hero + .section.alt .cards { gap: 12px; }
  .hero + .section.alt .card { padding: 23px 21px; }
  .hero + .section.alt .card h3 { margin-top: 13px; font-size: 1.08rem; }
  .hero + .section.alt .card p { margin-top: 9px; font-size: .92rem; }
  .page-hero { padding: 62px 0 46px; }
  .page-hero h1 { margin-top: 13px; font-size: 1.82rem; line-height: 1.48; }
  .page-hero p { margin-top: 16px; }
  .feature-band { padding: 31px 23px; gap: 26px; }
  .feature-item { padding: 12px 0; gap: 13px; }
  .brand-visual { min-height: 240px; }
  .brand-content { padding: 29px 23px; }
  .contact-box { padding: 25px 21px; }
  .site-footer { padding-top: 46px; }
  .footer-grid { gap: 26px; }
  .copyright { margin-top: 34px; }
}