/* ============================================================
   Minami Kojima — Personal Brand Site
   Editorial / cinematic style: warm cream + ink + champagne gold
   ============================================================ */
:root {
  --bg: #faf8f4;
  --bg-soft: #f3efe7;
  --ink: #17161b;
  --ink-soft: #4a4750;
  --line: #e3ddd1;
  --gold: #b98a2f;
  --gold-deep: #8f6a1e;
  --rose: #b4533a;
  --white: #ffffff;
  --radius: 18px;
  --shadow: 0 20px 50px rgba(23, 22, 27, 0.08);
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: min(1160px, 92%); margin: 0 auto; }

h1, h2, h3, .serif { font-family: var(--font-serif); font-weight: 600; letter-spacing: 0.02em; }

h2.section-title { font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.3; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.78rem; letter-spacing: 0.35em; text-transform: uppercase;
  color: var(--gold-deep); margin-bottom: 0.9rem; font-weight: 600;
}
.section-eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--gold); }
.section-head { max-width: 640px; margin-bottom: 3rem; }
.section-head p { color: var(--ink-soft); margin-top: 0.8rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.85rem 1.9rem; border-radius: 999px;
  font-size: 0.95rem; font-weight: 600; letter-spacing: 0.05em;
  border: 1px solid transparent; cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--ink); color: var(--bg); box-shadow: 0 10px 26px rgba(23,22,27,0.22); }
.btn-primary:hover { background: #2c2a33; box-shadow: 0 14px 32px rgba(23,22,27,0.3); }
.btn-gold { background: var(--gold); color: #fff; box-shadow: 0 10px 26px rgba(185,138,47,0.35); }
.btn-gold:hover { background: var(--gold-deep); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); }
.btn-light { background: rgba(255,255,255,0.14); color: #fff; border-color: rgba(255,255,255,0.4); backdrop-filter: blur(6px); }
.btn-light:hover { background: rgba(255,255,255,0.25); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 248, 244, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px; gap: 1.5rem;
}
.logo { display: flex; align-items: baseline; gap: 0.6rem; }
.logo-mark {
  font-family: var(--font-serif); font-size: 1.35rem; font-weight: 700;
}
.logo-mark span { color: var(--gold); }
.logo-sub { font-size: 0.66rem; letter-spacing: 0.4em; text-transform: uppercase; color: var(--ink-soft); }

.main-nav ul { display: flex; gap: 2rem; }
.main-nav a {
  position: relative; font-size: 0.94rem; font-weight: 500; color: var(--ink-soft);
  padding: 0.4rem 0; transition: color 0.2s ease;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--gold); transition: width 0.25s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }

.header-cta { white-space: nowrap; }
.header-cta .btn { padding: 0.6rem 1.4rem; font-size: 0.88rem; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: 0.3s; }

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .main-nav {
    position: fixed; inset: 76px 0 auto 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    transform: translateY(-120%); transition: transform 0.35s ease;
    box-shadow: var(--shadow);
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav ul { flex-direction: column; gap: 0; padding: 1rem 6% 1.6rem; }
  .main-nav a { display: block; padding: 0.85rem 0; font-size: 1.05rem; border-bottom: 1px solid var(--line); }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--ink); color: var(--bg);
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: -120px;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(185,138,47,0.35), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem;
  align-items: center; padding: 5.5rem 0 6rem;
}
.hero-tag {
  display: inline-block; font-size: 0.75rem; letter-spacing: 0.4em;
  text-transform: uppercase; color: var(--gold);
  border: 1px solid rgba(185,138,47,0.5); border-radius: 999px;
  padding: 0.4rem 1.1rem; margin-bottom: 1.6rem;
}
.hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.9rem); line-height: 1.22; font-weight: 700;
}
.hero h1 em { font-style: normal; color: var(--gold); }
.hero p.lead {
  margin: 1.5rem 0 2.2rem; color: rgba(250,248,244,0.75);
  font-size: 1.05rem; max-width: 34em;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-visual { position: relative; }
.hero-visual img {
  border-radius: var(--radius); box-shadow: 0 30px 70px rgba(0,0,0,0.45);
  aspect-ratio: 4/5; object-fit: cover; width: 100%;
}
.hero-visual .hero-badge {
  position: absolute; left: -24px; bottom: 32px;
  background: var(--bg); color: var(--ink); border-radius: 14px;
  padding: 0.9rem 1.2rem; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 0.7rem; font-size: 0.85rem;
}
.hero-badge strong { font-family: var(--font-serif); font-size: 1.4rem; color: var(--gold-deep); }
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; padding: 3.5rem 0 4rem; }
  .hero-visual { max-width: 420px; }
  .hero-visual .hero-badge { left: 12px; }
}

/* ---------- Trust bar ---------- */
.trust-bar {
  background: var(--ink); color: rgba(250,248,244,0.8);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.trust-inner {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1.5rem; padding: 1.4rem 0; flex-wrap: wrap;
}
.trust-item { display: flex; align-items: center; gap: 0.7rem; font-size: 0.9rem; }
.trust-item b { font-family: var(--font-serif); font-size: 1.25rem; color: var(--gold); }
.trust-item .divider { color: rgba(255,255,255,0.2); }

/* ---------- Sections ---------- */
.section { padding: 5.5rem 0; }
.section.soft { background: var(--bg-soft); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }

.card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card .icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 1.2rem;
  background: linear-gradient(135deg, rgba(185,138,47,0.16), rgba(180,83,58,0.12));
  color: var(--gold-deep);
}
.card h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.card p { color: var(--ink-soft); font-size: 0.95rem; }
.card .num {
  font-family: var(--font-serif); font-size: 2.6rem; font-weight: 700;
  color: transparent; -webkit-text-stroke: 1px var(--gold); line-height: 1;
  margin-bottom: 1rem;
}

/* ---------- Split / About preview ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.split .media { position: relative; }
.split .media img { border-radius: var(--radius); box-shadow: var(--shadow); object-fit: cover; width: 100%; aspect-ratio: 4/3; }
.split .media::before {
  content: ""; position: absolute; inset: 18px -18px -18px 18px;
  border: 1px solid var(--gold); border-radius: var(--radius); z-index: -1;
}
.check-list li {
  display: flex; gap: 0.8rem; margin-bottom: 0.9rem; color: var(--ink-soft); font-size: 0.97rem;
}
.check-list li::before {
  content: "✓"; flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%;
  background: rgba(185,138,47,0.15); color: var(--gold-deep);
  display: grid; place-items: center; font-size: 0.75rem; font-weight: 700; margin-top: 4px;
}
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 2.5rem; }
  .split.reverse .media { order: -1; }
}

/* ---------- Testimonials ---------- */
.quote-card { position: relative; }
.quote-card::before {
  content: "“"; position: absolute; top: 6px; right: 22px;
  font-family: var(--font-serif); font-size: 4.5rem; color: rgba(185,138,47,0.18); line-height: 1;
}
.quote-card .who { display: flex; align-items: center; gap: 0.9rem; margin-top: 1.4rem; }
.quote-card .who img { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; }
.quote-card .who b { display: block; font-size: 0.95rem; }
.quote-card .who span { font-size: 0.8rem; color: var(--ink-soft); }
.stars { color: var(--gold); letter-spacing: 0.15em; margin-bottom: 0.8rem; font-size: 0.9rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, #17161b 0%, #2a2530 60%, #3a2c1c 100%);
  color: var(--bg); border-radius: 26px; padding: 4rem 3rem; text-align: center;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; left: 50%; top: -140px; transform: translateX(-50%);
  width: 520px; height: 280px; border-radius: 50%;
  background: radial-gradient(circle, rgba(185,138,47,0.4), transparent 70%);
}
.cta-band h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-bottom: 0.9rem; }
.cta-band p { color: rgba(250,248,244,0.72); max-width: 36em; margin: 0 auto 2rem; }
.cta-band .btn-row { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { background: var(--ink); color: var(--bg); padding: 4.5rem 0 4rem; position: relative; overflow: hidden; }
.page-hero::after {
  content: ""; position: absolute; right: -80px; bottom: -120px;
  width: 340px; height: 340px; border-radius: 50%;
  background: radial-gradient(circle, rgba(185,138,47,0.3), transparent 70%);
}
.page-hero .crumb { font-size: 0.8rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); margin-bottom: 1rem; }
.page-hero h1 { font-size: clamp(2rem, 4.4vw, 3.1rem); }
.page-hero p { margin-top: 1rem; color: rgba(250,248,244,0.72); max-width: 40em; }

/* ---------- Services grid ---------- */
.service-card { display: flex; flex-direction: column; }
.service-card .price-hint {
  margin-top: auto; padding-top: 1.2rem; font-size: 0.85rem; color: var(--gold-deep);
  letter-spacing: 0.08em; font-weight: 600;
}
.steps { counter-reset: step; }
.step { position: relative; padding-left: 4.4rem; padding-bottom: 2.2rem; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; left: 0; top: 0;
  font-family: var(--font-serif); font-size: 1.6rem; font-weight: 700; color: var(--gold);
}
.step::after {
  content: ""; position: absolute; left: 34px; top: 42px; bottom: 0; width: 1px;
  background: linear-gradient(var(--gold), var(--line));
}
.step:last-child::after { display: none; }
.step h3 { font-size: 1.12rem; margin-bottom: 0.35rem; }
.step p { color: var(--ink-soft); font-size: 0.94rem; }

/* ---------- FAQ ---------- */
.faq details {
  background: var(--white); border: 1px solid var(--line); border-radius: 14px;
  padding: 1.1rem 1.5rem; margin-bottom: 0.9rem; transition: box-shadow 0.25s ease;
}
.faq details[open] { box-shadow: var(--shadow); }
.faq summary {
  cursor: pointer; font-weight: 600; font-family: var(--font-serif);
  list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.3rem; color: var(--gold-deep); transition: transform 0.25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 0.8rem; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- Listings / Portfolio ---------- */
.filter-bar {
  display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 2.4rem;
}
.filter-btn {
  border: 1px solid var(--line); background: var(--white); color: var(--ink-soft);
  border-radius: 999px; padding: 0.5rem 1.3rem; font-size: 0.88rem; cursor: pointer;
  transition: 0.25s ease; font-family: inherit;
}
.filter-btn:hover { border-color: var(--gold); color: var(--gold-deep); }
.filter-btn.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.work-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex; flex-direction: column;
}
.work-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.work-card .thumb { position: relative; overflow: hidden; }
.work-card .thumb img { aspect-ratio: 4/3; object-fit: cover; width: 100%; transition: transform 0.5s ease; }
.work-card:hover .thumb img { transform: scale(1.06); }
.work-card .tag {
  position: absolute; top: 14px; left: 14px;
  background: rgba(23,22,27,0.82); color: #fff; backdrop-filter: blur(4px);
  font-size: 0.72rem; letter-spacing: 0.12em; padding: 0.3rem 0.85rem; border-radius: 999px;
}
.work-card .body { padding: 1.4rem 1.5rem 1.6rem; display: flex; flex-direction: column; gap: 0.4rem; flex: 1; }
.work-card h3 { font-size: 1.12rem; }
.work-card p { color: var(--ink-soft); font-size: 0.9rem; }
.work-card .meta {
  margin-top: auto; padding-top: 0.9rem; display: flex; justify-content: space-between;
  font-size: 0.8rem; color: var(--ink-soft); border-top: 1px dashed var(--line);
}
.work-card .meta b { color: var(--gold-deep); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 3rem; align-items: start; }
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 2.4rem; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.4rem; }
.field input, .field textarea, .field select {
  width: 100%; border: 1px solid var(--line); border-radius: 12px;
  padding: 0.8rem 1rem; font-size: 0.95rem; font-family: inherit;
  background: var(--bg); color: var(--ink); transition: border-color 0.2s ease;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); }
.field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.8rem; color: var(--ink-soft); margin-top: 0.9rem; }
.form-success {
  display: none; margin-top: 1rem; padding: 0.9rem 1.2rem;
  background: rgba(185,138,47,0.12); border: 1px solid rgba(185,138,47,0.4);
  border-radius: 12px; color: var(--gold-deep); font-size: 0.92rem;
}
.info-item { display: flex; gap: 1rem; margin-bottom: 1.5rem; }
.info-item .icon {
  flex: 0 0 auto; width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; background: rgba(185,138,47,0.12); color: var(--gold-deep);
}
.info-item b { display: block; font-size: 0.95rem; margin-bottom: 0.15rem; }
.info-item span, .info-item a { font-size: 0.9rem; color: var(--ink-soft); }
.info-item a:hover { color: var(--gold-deep); }
.map-frame {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  margin-top: 2rem; filter: grayscale(0.3);
}
.map-frame iframe { width: 100%; height: 300px; border: 0; display: block; }
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ---------- Socials ---------- */
.socials { display: flex; gap: 0.7rem; }
.socials a {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--line); color: var(--ink-soft);
  transition: 0.25s ease; font-size: 0.9rem;
}
.socials a:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); transform: translateY(-3px); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(250,248,244,0.7); margin-top: 0; }
.footer-inner {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2.5rem;
  padding: 4rem 0 2.5rem;
}
.site-footer .logo-mark { color: var(--bg); }
.site-footer h4 {
  color: var(--bg); font-family: var(--font-serif); font-size: 1rem; margin-bottom: 1.1rem;
}
.site-footer ul li { margin-bottom: 0.6rem; }
.site-footer a:hover { color: var(--gold); }
.site-footer .socials a { border-color: rgba(255,255,255,0.2); color: rgba(250,248,244,0.7); }
.site-footer .socials a:hover { background: var(--gold); border-color: var(--gold); color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding: 1.4rem 0;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-size: 0.82rem;
}
@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-inner { grid-template-columns: 1fr; }
  .section { padding: 3.5rem 0; }
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}