/* =========================================================
   Van Portfolio — 黒 × ゴールドのラグジュアリートーン
   ========================================================= */

:root {
  --bg: #0b0a09;
  --bg-2: #141210;
  --bg-card: rgba(255, 255, 255, 0.025);
  --line: rgba(201, 168, 106, 0.35);
  --line-strong: rgba(201, 168, 106, 0.7);
  --gold: #c9a86a;
  --gold-light: #e6cf9a;
  --gold-dim: #8f7648;
  --text: #f1ebe0;
  --text-muted: #b8b0a3;
  --teal: #4fb3b0;
  --purple: #a67bd0;
  --danger: #e2735f;
  --ok: #7ec99a;
  --serif-jp: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --serif-en: "Cormorant Garamond", "Shippori Mincho", serif;
  --radius: 4px;
  --maxw: 1160px;
  --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--serif-jp);
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  letter-spacing: 0.02em;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, dl, dd, figure { margin: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
input, select, textarea { font: inherit; }

/* 背景の金の粒（Canva版の雰囲気を再現） */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(circle at 12% 18%, rgba(201,168,106,0.16) 0 26px, transparent 27px),
    radial-gradient(circle at 88% 12%, rgba(201,168,106,0.10) 0 40px, transparent 41px),
    radial-gradient(circle at 78% 62%, rgba(201,168,106,0.12) 0 18px, transparent 19px),
    radial-gradient(circle at 6% 78%, rgba(201,168,106,0.09) 0 34px, transparent 35px),
    radial-gradient(circle at 55% 92%, rgba(201,168,106,0.08) 0 22px, transparent 23px),
    radial-gradient(ellipse at 50% 0%, #1a1611 0%, var(--bg) 60%);
}

.container { width: min(100% - 40px, var(--maxw)); margin-inline: auto; }
.sp-only { display: none; }
.nowrap { display: inline-block; }
@media (max-width: 720px) { .sp-only { display: inline; } .sp-hidden { display: none !important; } }

/* ---------- 共通パーツ ---------- */
.eyebrow {
  font-family: var(--serif-en);
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  color: var(--gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.4rem;
}
.section { padding: clamp(72px, 10vw, 120px) 0; }
.section-head { margin-bottom: clamp(32px, 5vw, 56px); }
.section-head h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.35;
  padding-bottom: 14px;
  position: relative;
}
.section-head h2::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(201,168,106,0.15) 70%, transparent 100%);
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 3vw, 34px);
  backdrop-filter: blur(4px);
}
.card-title {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 1.1rem;
}
.card-title.small { font-size: 1.05rem; }
.card-note {
  margin-top: 1.4rem; padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--text-muted); font-size: 0.9rem;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  padding: 0.95em 2.2em;
  border: 1px solid var(--gold);
  border-radius: 2px;
  letter-spacing: 0.12em;
  font-weight: 500;
  transition: background 0.25s, color 0.25s, transform 0.2s, box-shadow 0.25s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 55%, var(--gold-dim) 100%);
  color: #1a1408;
  box-shadow: 0 8px 26px rgba(201,168,106,0.18);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(201,168,106,0.3); }
.btn-primary:disabled { opacity: 0.6; cursor: wait; transform: none; }
.btn-block { width: 100%; }

.check-list li {
  position: relative; padding-left: 1.9em; margin-bottom: 0.7em; line-height: 1.7;
}
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0.05em;
  color: var(--gold); font-weight: 700; font-size: 1.05em;
}

.tag {
  display: inline-block; font-size: 0.72rem; letter-spacing: 0.1em;
  padding: 0.25em 0.9em; border-radius: 2px; margin-bottom: 0.5em;
  color: #0b0a09; font-weight: 600;
}
.tag-gold { background: var(--gold); }
.tag-teal { background: var(--teal); }
.tag-purple { background: var(--purple); }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(16px, 3vw, 40px);
  background: rgba(11,10,9,0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201,168,106,0.18);
}
.brand { display: flex; align-items: baseline; gap: 0.7em; }
.brand-en { font-family: var(--serif-en); font-size: 1.7rem; font-weight: 600; letter-spacing: 0.12em; color: var(--gold-light); }
.brand-sub { font-family: var(--serif-en); font-size: 0.75rem; letter-spacing: 0.2em; color: var(--text-muted); }
.nav-list { display: flex; gap: clamp(14px, 2.5vw, 34px); align-items: center; }
.nav-list a { font-size: 0.9rem; letter-spacing: 0.1em; padding: 0.4em 0; position: relative; }
.nav-list a::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--gold);
  transition: width 0.25s;
}
.nav-list a:hover::after { width: 100%; }
.nav-cta { border: 1px solid var(--gold); padding: 0.4em 1.2em !important; color: var(--gold-light); }
.nav-cta::after { display: none; }
.nav-toggle { display: none; width: 40px; height: 40px; flex-direction: column; justify-content: center; gap: 6px; }
.nav-toggle span { display: block; height: 1px; background: var(--gold); transition: transform 0.25s, opacity 0.25s; }
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-list {
    position: absolute; top: 100%; right: 0; left: 0;
    flex-direction: column; gap: 0; padding: 12px 0 20px;
    background: rgba(11,10,9,0.97); border-bottom: 1px solid var(--line);
    transform: translateY(-120%); transition: transform 0.3s; opacity: 0;
  }
  .nav-list.open { transform: none; opacity: 1; }
  .site-header { overflow: visible; }
  .nav-list li { width: 100%; text-align: center; }
  .nav-list a { display: block; padding: 0.9em; }
  .nav-cta { display: inline-block !important; margin-top: 8px; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- ヒーロー ---------- */
.hero { padding: clamp(48px, 7vw, 96px) 0 clamp(36px, 5vw, 60px); position: relative; }
.hero-grid {
  display: grid; grid-template-columns: 1.35fr 1fr; gap: 0 clamp(28px, 4vw, 64px); align-items: start;
  grid-template-areas: "head visual" "body visual";
}
.hero-head { grid-area: head; }
.hero-body { grid-area: body; }
.hero-visual { grid-area: visual; }
.hero-lead {
  font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 600; letter-spacing: 0.14em;
  padding-bottom: 12px; margin-bottom: 20px; position: relative;
}
.hero-lead::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.hero h1 {
  font-size: clamp(1.9rem, 4.2vw, 3.1rem); font-weight: 700; letter-spacing: 0.06em; line-height: 1.3;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.hero-sub { margin-top: 0.8rem; font-size: clamp(1rem, 1.6vw, 1.2rem); color: var(--gold-light); letter-spacing: 0.08em; }

.stats { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0; }
.stats li {
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: 12px 20px; min-width: 150px; background: var(--bg-card);
}
.stat-label { display: block; font-size: 0.75rem; color: var(--gold); letter-spacing: 0.15em; }
.stat-value { font-family: var(--serif-en); font-size: 1.9rem; font-weight: 600; color: var(--gold-light); line-height: 1.2; }
.stat-value small { font-family: var(--serif-jp); font-size: 0.85rem; margin-left: 0.25em; color: var(--text); }
.stat-value.stat-text { font-family: var(--serif-jp); font-size: 1.3rem; }

.hero-thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 30px; }
.hero-thumbs li { position: relative; }
.thumb-link { display: block; border: 1px solid var(--line-strong); overflow: hidden; aspect-ratio: 1; }
.thumb-link img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.thumb-link:hover img { transform: scale(1.04); }
.thumb-tag { display: inline-block; margin-top: 8px; font-size: 0.72rem; letter-spacing: 0.1em; color: var(--gold); border-bottom: 1px solid var(--gold); }
.thumb-desc { display: block; font-size: 0.85rem; color: var(--text-muted); }

.hero-visual a { display: block; border: 1px solid var(--line-strong); overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.hero-visual img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.hero-credit { margin-top: 30px; text-align: right; font-family: var(--serif-en); letter-spacing: 0.2em; color: var(--text-muted); font-size: 0.85rem; padding-right: 20px; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; grid-template-areas: "head" "visual" "body"; }
  .hero-visual { max-width: 420px; margin: 26px auto 30px; width: 100%; }
}
@media (max-width: 720px) {
  .stats li { min-width: calc(50% - 7px); flex: 1; }
  .hero-thumbs { gap: 8px; }
  .thumb-desc { font-size: 0.75rem; }
}

/* ---------- 実績・強み ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.25fr 0.95fr; gap: 20px; align-items: stretch; }
.fact-list div { padding: 12px 0; border-bottom: 1px dashed var(--line); }
.fact-list div:last-child { border-bottom: 0; }
.fact-list dt { font-size: 0.8rem; color: var(--gold); letter-spacing: 0.12em; }
.fact-list dd { font-size: 1.5rem; font-weight: 600; color: var(--gold-light); line-height: 1.3; }
.about-visual a { display: block; height: 100%; border: 1px solid var(--line-strong); overflow: hidden; }
.about-visual img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr 1fr; }
  .about-visual { grid-column: 1 / -1; max-width: 480px; }
}
@media (max-width: 640px) { .about-grid { grid-template-columns: 1fr; } }

/* ---------- 制作例 ---------- */
.works-block + .works-block { margin-top: clamp(56px, 8vw, 96px); }
.works-subtitle { font-size: clamp(1.3rem, 2.4vw, 1.7rem); font-weight: 600; letter-spacing: 0.08em; margin-bottom: 1.4rem; }
.works-subtitle .eyebrow { font-size: 0.72rem; }
.works-lead { color: var(--text-muted); margin-bottom: 1.6rem; max-width: 46em; }
.gallery { display: grid; gap: 20px; }
.gallery-3 { grid-template-columns: repeat(3, 1fr); }
.gallery-6 { grid-template-columns: repeat(6, 1fr); gap: 14px; }
.gallery-item a { display: block; border: 1px solid var(--line-strong); overflow: hidden; position: relative; }
.gallery-item a::after {
  content: "拡大"; position: absolute; right: 8px; bottom: 8px; font-size: 0.7rem; letter-spacing: 0.15em;
  color: var(--gold-light); background: rgba(0,0,0,0.55); padding: 0.2em 0.7em; opacity: 0; transition: opacity 0.25s;
}
.gallery-item a:hover::after { opacity: 1; }
.gallery-item img { width: 100%; aspect-ratio: 3/4; object-fit: cover; transition: transform 0.6s; }
.gallery-6 .gallery-item img { aspect-ratio: 2/3; }
.gallery-item a:hover img { transform: scale(1.04); }
.gallery-meta { padding: 12px 4px 0; }
.gallery-title { font-size: 1.05rem; font-weight: 600; letter-spacing: 0.06em; }
.gallery-desc { font-size: 0.82rem; color: var(--text-muted); }
.gallery-meta.compact .gallery-title { font-size: 0.92rem; }
.gallery-meta.compact .gallery-desc { font-size: 0.75rem; }
.note-bar {
  margin-top: 28px; display: flex; gap: 20px; align-items: flex-start;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; background: var(--bg-card);
}
.note-label { flex: none; color: var(--gold-light); font-weight: 600; letter-spacing: 0.15em; padding-top: 2px; }
.note-sub { color: var(--text-muted); font-size: 0.9rem; }
@media (max-width: 900px) { .gallery-6 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) {
  .gallery-3 { grid-template-columns: 1fr 1fr; gap: 12px; }
  .gallery-6 { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .note-bar { flex-direction: column; gap: 6px; }
}

/* ---------- 料金・フロー ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.plan {
  border: 1px solid var(--line); border-top: 3px solid var(--gold); border-radius: var(--radius);
  padding: 26px 26px 22px; background: var(--bg-card);
}
.plan-teal { border-top-color: var(--teal); }
.plan-purple { border-top-color: var(--purple); }
.plan-name { font-size: 1.15rem; font-weight: 600; letter-spacing: 0.1em; margin-bottom: 0.4rem; }
.plan-price { font-size: 1.15rem; margin-bottom: 1rem; color: var(--gold-light); }
.plan-price strong { font-family: var(--serif-en); font-size: 2.1rem; font-weight: 600; letter-spacing: 0.02em; }
.plan ul li { position: relative; padding-left: 1.2em; font-size: 0.92rem; color: var(--text-muted); margin-bottom: 0.35em; }
.plan ul li::before { content: "●"; position: absolute; left: 0; font-size: 0.5em; top: 0.75em; color: var(--gold); }
.price-note { margin: 22px 0 36px; font-size: 0.95rem; letter-spacing: 0.06em; }
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.flow li { display: flex; gap: 12px; align-items: flex-start; }
.flow-num {
  flex: none; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-dim)); color: #1a1408; font-weight: 700; font-family: var(--serif-en); font-size: 1.1rem;
}
.flow li strong { display: block; font-size: 1.05rem; letter-spacing: 0.08em; }
.flow li span:not(.flow-num) { font-size: 0.85rem; color: var(--text-muted); }
@media (max-width: 900px) { .plans, .flow { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .plans, .flow { grid-template-columns: 1fr; } }

/* ---------- お問い合わせ ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 4vw, 60px); align-items: start; }
.contact-copy .check-list { margin-bottom: 26px; }
.chip-list { display: flex; flex-wrap: wrap; gap: 10px; }
.chip-list li { border: 1px solid var(--line-strong); padding: 0.3em 1em; font-size: 0.85rem; letter-spacing: 0.1em; color: var(--gold-light); }
.contact-visual { margin-top: 26px; max-width: 360px; border: 1px solid var(--line-strong); overflow: hidden; }
.contact-visual img { aspect-ratio: 3/4; object-fit: cover; }
.form-lead { color: var(--text-muted); margin-bottom: 1.4rem; margin-top: -0.6rem; }
.field { margin-bottom: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-size: 0.85rem; letter-spacing: 0.1em; margin-bottom: 6px; color: var(--gold-light); }
.req { font-size: 0.68rem; color: #1a1408; background: var(--gold); padding: 0.05em 0.5em; margin-left: 0.4em; vertical-align: middle; border-radius: 2px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px;
  background: rgba(255,255,255,0.04); color: var(--text);
  border: 1px solid var(--line); border-radius: 2px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%), linear-gradient(135deg, var(--gold) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
.field select option { background: #1a1611; color: var(--text); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,106,0.18);
}
.field input.invalid, .field select.invalid, .field textarea.invalid { border-color: var(--danger); }
.field textarea { resize: vertical; min-height: 140px; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; opacity: 0; }
.turnstile-slot { min-height: 65px; }
.privacy-note { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 16px; }
.form-status { margin-top: 14px; font-size: 0.92rem; min-height: 1.6em; }
.form-status.ok { color: var(--ok); }
.form-status.err { color: var(--danger); }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; gap: 0; } }

/* ---------- フッター ---------- */
.site-footer { border-top: 1px solid rgba(201,168,106,0.18); padding: 34px 0; margin-top: 20px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.footer-brand { font-family: var(--serif-en); letter-spacing: 0.2em; color: var(--gold); }
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }

/* ---------- ライトボックス ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(5,4,3,0.94);
  display: grid; place-items: center;
  animation: lb-fade 0.2s ease;
}
.lightbox[hidden] { display: none; }
@keyframes lb-fade { from { opacity: 0; } to { opacity: 1; } }
.lb-figure { max-width: min(92vw, 1100px); max-height: 92vh; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.lb-img { max-width: 92vw; max-height: 82vh; width: auto; height: auto; border: 1px solid var(--line-strong); box-shadow: 0 30px 80px rgba(0,0,0,0.6); }
.lb-caption { color: var(--gold-light); font-size: 0.9rem; letter-spacing: 0.1em; text-align: center; }
.lb-close, .lb-prev, .lb-next {
  position: absolute; color: var(--gold-light); font-size: 2.6rem; line-height: 1;
  width: 56px; height: 56px; display: grid; place-items: center; opacity: 0.8; transition: opacity 0.2s;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { opacity: 1; }
.lb-close { top: 12px; right: 16px; }
.lb-prev { left: 8px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 8px; top: 50%; transform: translateY(-50%); }
@media (max-width: 640px) { .lb-prev, .lb-next { font-size: 2rem; width: 44px; } }

/* ---------- 動きを控えたい人向け ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}