/* 日本語を文節の切れ目で改行する。Chrome以外では無視されるだけなので安全 */
body { word-break: auto-phrase; }

:root { --ink: #23343a; --muted: #617277; --paper: #fbfaf7; --line: #d9ddd9; --accent: #5b7d70; --accent-dark: #3f6357; --sand: #e9dfcf; --white: #fff; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Hiragino Sans", "Yu Gothic", sans-serif; line-height: 1.8; }
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.narrow { width: min(760px, 100%); }
.section { padding: 112px 0; }
.eyebrow { margin: 0 0 18px; color: var(--accent); font-size: .76rem; font-weight: 700; letter-spacing: .15em; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: Georgia, "Hiragino Mincho ProN", serif; line-height: 1.45; }
h1 { margin-bottom: 26px; font-size: clamp(2.45rem, 5vw, 4.8rem); font-weight: 500; letter-spacing: .03em; }
h2 { margin-bottom: 34px; font-size: clamp(2rem, 3.5vw, 3.2rem); font-weight: 500; }
h3 { margin-bottom: 13px; font-size: 1.25rem; }
.lead { max-width: 35rem; margin-bottom: 34px; color: var(--muted); font-size: 1.05rem; }
.button { display: inline-flex; align-items: center; gap: 20px; padding: 14px 22px; font-size: .9rem; font-weight: 700; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--accent); color: var(--white); }
.button-primary:hover { background: var(--accent-dark); }
.button-light { background: var(--white); color: var(--accent-dark); }
.site-header { position: sticky; z-index: 10; top: 0; border-bottom: 1px solid rgba(217, 221, 217, .75); background: rgba(251, 250, 247, .93); backdrop-filter: blur(8px); }
.header-inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; }
.brand { display: inline-block; font-family: Georgia, serif; font-size: .9rem; font-weight: 700; letter-spacing: .13em; line-height: 1.05; }
.brand span { font-size: .62rem; letter-spacing: .18em; }
.site-nav { display: flex; align-items: center; gap: 26px; font-size: .85rem; }
.site-nav a:not(.nav-cta):hover { color: var(--accent); }
.nav-cta { padding: 10px 16px; background: var(--accent); color: var(--white); }
.menu-button { display: none; border: 0; background: none; color: var(--ink); }
.menu-button svg, .icon svg { width: 24px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.6; }
.hero { padding-top: 88px; }
.hero-grid { display: grid; grid-template-columns: 1fr .92fr; align-items: center; gap: clamp(32px, 7vw, 100px); }
.hero-image { min-height: 510px; overflow: hidden; background: var(--sand); }
.hero-image img { width: 100%; height: 100%; min-height: 510px; object-fit: cover; }
.pain-points { background: #edf1ee; }
.pain-list { border-top: 1px solid var(--line); }
.pain-list p { position: relative; margin: 0; padding: 20px 0 20px 30px; border-bottom: 1px solid var(--line); }
.pain-list p::before { position: absolute; left: 4px; color: var(--accent); content: "/"; }
.services { background: var(--white); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.service-card { min-height: 330px; padding: 38px 30px; background: var(--white); }
.service-card p { color: var(--muted); font-size: .93rem; }
.icon { width: 45px; height: 45px; display: grid; place-items: center; margin-bottom: 30px; color: var(--accent); border: 1px solid var(--accent); border-radius: 50%; }
.about { background: var(--sand); }
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: start; gap: 80px; }
.about-copy p:not(.eyebrow) { max-width: 35rem; color: #48575a; }
.credentials { margin: 20px 0 0; border-top: 1px solid rgba(35, 52, 58, .25); }
.credentials div { padding: 22px 0; border-bottom: 1px solid rgba(35, 52, 58, .25); }
.credentials dt { font-family: Georgia, serif; font-size: 1.55rem; }
.credentials dd { margin: 0; color: #48575a; font-size: .87rem; }
.contact { background: var(--accent); color: var(--white); text-align: center; }
.contact .eyebrow { color: #dbe6d8; }
.contact h2 { margin-bottom: 20px; }
.contact > .container > p:not(.eyebrow) { max-width: 620px; margin: 0 auto 34px; color: #ebf0ed; }
.faq { margin-top: 76px; text-align: left; }
.faq h3 { font-size: 1.1rem; }
details { border-top: 1px solid rgba(255,255,255,.4); padding: 17px 0; }
details:last-child { border-bottom: 1px solid rgba(255,255,255,.4); }
summary { cursor: pointer; font-weight: 700; }
details p { margin: 12px 0 0; color: #e5eee9; font-size: .9rem; }
.site-footer { padding: 48px 0; background: var(--ink); color: #ecf1ef; }
.site-footer .container { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; }
.site-footer p { margin: 0; color: #bdc9c5; font-size: .82rem; }
.site-footer small { grid-column: 1 / -1; margin-top: 22px; color: #93a39e; font-size: .72rem; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (max-width: 760px) {
  .container { width: min(100% - 32px, 1120px); }
  .section { padding: 76px 0; }
  .menu-button { display: block; padding: 10px; }
  .site-nav { position: absolute; top: 76px; left: 0; right: 0; display: none; padding: 20px 16px 24px; flex-direction: column; align-items: stretch; background: var(--paper); border-bottom: 1px solid var(--line); }
  .site-nav.is-open { display: flex; }
  .nav-cta { text-align: center; }
  .hero { padding-top: 42px; }
  .hero-grid, .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-image, .hero-image img { min-height: 320px; }
  .hero-copy { order: 2; }
  .hero-image { order: 1; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; padding: 30px 24px; }
  .site-footer .container { grid-template-columns: 1fr; }
}