/* OG WORKS: 落ち着いた暗色+写真。書体はシステムフォント(Webフォント不使用) */
:root { --ink: #1b1f26; --bg: #fff; --alt: #f4f1ea; --dark: #14171c; --gold: #b08a3c; --gold-soft: #e8d9b5; --muted: #4a515c; --focus: #b8410c; --prov-bg: #fff4dc; --prov-ink: #7a3306;
  --serif: "Hiragino Mincho ProN", "Noto Serif JP", "Yu Mincho", "YuMincho", serif;
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Noto Sans CJK JP", Meiryo, "Yu Gothic", sans-serif; }
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 16px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); line-height: 1.85; overflow-wrap: anywhere; line-break: strict; }
img { max-width: 100%; height: auto; display: block; }
a { color: #7a5a14; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.phrase { display: inline-block; }
.skip-link { position: absolute; left: 8px; top: -100px; padding: 8px 16px; background: var(--ink); color: #fff; z-index: 10; }
.skip-link:focus { top: 8px; }
[data-provisional] { background-color: var(--prov-bg); color: var(--prov-ink); border-radius: 6px; }
[data-provisional]::before { content: "仮"; display: inline-block; margin-right: .4em; padding: 0 .45em; border-radius: 4px; background: var(--prov-ink); color: #fff; font-size: .75rem; font-weight: 700; line-height: 1.6; }
.dev-banner { margin: 0; padding: 6px 20px; border-radius: 0; font-size: .875rem; text-align: center; }

.site-header { position: relative; z-index: 5; background: var(--dark); color: #fff; }
.header-inner { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 4px 24px; padding-top: 10px; padding-bottom: 10px; }
.logo { color: #fff; font-family: var(--serif); font-weight: 700; font-size: 1.25rem; letter-spacing: .08em; text-decoration: none; padding: 4px 0; }
.logo-sub { margin-left: .8em; font-family: var(--sans); font-weight: 400; font-size: .75rem; letter-spacing: .05em; color: var(--gold-soft); }
.global-nav ul { display: flex; flex-wrap: wrap; gap: 0 4px; margin: 0; padding: 0; list-style: none; }
.global-nav a { display: inline-block; padding: 6px 10px; color: #fff; font-size: .9rem; text-decoration: none; }
.global-nav a:hover { color: var(--gold-soft); }
.global-nav .nav-cta { border: 1px solid var(--gold-soft); border-radius: 4px; color: var(--gold-soft); }

.hero { position: relative; min-height: 78vh; display: flex; align-items: center; background: var(--dark); color: #fff; overflow: hidden; }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,12,16,.88) 0%, rgba(10,12,16,.6) 55%, rgba(10,12,16,.35) 100%); }
.hero-inner { position: relative; z-index: 1; padding-top: 64px; padding-bottom: 64px; }
.eyebrow { margin: 0 0 8px; color: var(--gold-soft); letter-spacing: .25em; font-size: .95rem; }
.hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(2.6rem, 11vw, 5.4rem); line-height: 1.15; letter-spacing: .06em; }
.hero-lead { margin: 16px 0 32px; font-family: var(--serif); font-size: clamp(1.25rem, 4.6vw, 2rem); line-height: 1.6; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 0; }
.button { display: inline-block; min-height: 48px; padding: 11px 24px; border-radius: 4px; font-weight: 700; text-decoration: none; border: 1px solid transparent; }
.button-primary { background: var(--gold-soft); color: #1b1f26; }
.button-primary:hover { background: #f3e8cb; }
.button-ghost { border-color: #fff; color: #fff; }
.button-ghost-dark { border-color: var(--ink); color: var(--ink); }

.section { padding: 72px 0; }
.section-alt { background: var(--alt); }
.section-label { margin: 0; color: #7a5a14; letter-spacing: .3em; font-size: .8rem; font-weight: 700; }
.section-title { margin: 4px 0 32px; font-family: var(--serif); font-size: clamp(1.6rem, 5vw, 2.1rem); line-height: 1.4; }
.sub-title { margin: 40px 0 4px; font-family: var(--serif); font-size: 1.15rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
.card { background: #fff; border: 1px solid #e3ded2; border-radius: 6px; overflow: hidden; }
.card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.card-body { padding: 16px 20px 20px; }
.card h3 { margin: 0 0 6px; font-family: var(--serif); font-size: 1.15rem; }
.card p { margin: 0; font-size: .95rem; color: var(--muted); }
.note { margin: 24px 0 0; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; margin: 0; padding: 0; list-style: none; }
.steps li { background: #fff; border-top: 3px solid var(--gold); padding: 16px 16px 20px; }
.step-no { display: block; font-family: var(--serif); font-size: 1.8rem; line-height: 1.2; color: #7a5a14; }
.steps h3 { margin: 0 0 4px; font-size: 1.05rem; }
.steps p { margin: 0; font-size: .9rem; color: var(--muted); }
.info { margin: 0; border-top: 1px solid #ddd6c7; }
.info > div { display: grid; grid-template-columns: 9em 1fr; gap: 8px 16px; padding: 12px 0; border-bottom: 1px solid #ddd6c7; }
.info dt { font-weight: 700; }
.info dd { margin: 0; }
@media (max-width: 520px) { .info > div { grid-template-columns: 1fr; gap: 0; } }

.page-head { background: var(--dark); color: #fff; padding: 40px 0; }
.page-head h1 { margin: 0; font-family: var(--serif); font-size: clamp(1.5rem, 5vw, 2rem); }
.prose h2 { margin: 32px 0 8px; font-family: var(--serif); font-size: 1.15rem; }
.prose p, .prose ul { margin: 0 0 8px; }
.block-link, .text-link { display: inline-block; padding: 4px 0; }

.site-footer { background: var(--dark); color: #d7d9de; padding: 32px 0 24px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px; }
.footer-name { margin: 0; font-family: var(--serif); color: #fff; }
.footer-name span { font-family: var(--sans); font-size: .85rem; color: #d7d9de; }
.footer-links { display: flex; gap: 16px; margin: 0; padding: 0; list-style: none; }
.footer-links a { display: inline-block; padding: 6px 0; color: var(--gold-soft); }
.copy { flex-basis: 100%; margin: 0; font-size: .8rem; }
.info a, .footer-links a { display: inline-block; min-width: 24px; min-height: 32px; padding: 6px 4px; }