:root {
  --green: #2e6b4f;
  --green-deep: #1f4d38;
  --cream: #f6f4ee;
  --ink: #2a2e2c;
  --gray: #65706a;
  --line: #e4e7e3;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
  color: var(--ink); line-height: 1.85; background: #fff;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* sample banner */
.sample-banner { background: var(--ink); color: #fff; text-align: center; font-size: 0.8rem; padding: 8px 16px; }
.sample-banner a { color: #9bd3b1; text-decoration: none; }

/* header */
header { background: #fff; position: sticky; top: 0; z-index: 100; padding: 14px 0; box-shadow: 0 1px 0 var(--line); }
header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.35rem; font-weight: 800; color: var(--green); letter-spacing: 0.04em; text-decoration: none; display: flex; align-items: center; gap: 8px; }
.logo span { display: block; font-size: 0.55rem; letter-spacing: 0.25em; color: var(--gray); font-weight: 600; }
nav { display: flex; align-items: center; gap: 22px; }
nav a { text-decoration: none; color: var(--ink); font-size: 0.92rem; }
nav a:hover, nav a.current { color: var(--green); font-weight: 700; }
.nav-cta { background: var(--green); color: #fff !important; padding: 9px 18px; border-radius: 6px; font-weight: 700; }
.nav-cta:hover { background: var(--green-deep); }
.nav-toggle { display: none; background: none; border: none; color: var(--green); font-size: 1.6rem; cursor: pointer; }

/* hero (home) */
.hero { min-height: 76vh; display: flex; align-items: center; color: #fff;
  background: linear-gradient(rgba(31,77,56,0.62), rgba(31,77,56,0.5)),
    url("https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1500&q=80") center/cover no-repeat; }
.hero-inner { max-width: 1040px; margin: 0 auto; padding: 0 24px; width: 100%; }
.hero-sub { font-size: 0.85rem; letter-spacing: 0.25em; font-weight: 700; margin-bottom: 16px; color: #cde6d8; }
.hero h1 { font-size: 2.8rem; font-weight: 800; line-height: 1.45; margin-bottom: 20px; }
.hero p { font-size: 1.05rem; max-width: 540px; margin-bottom: 32px; color: rgba(255,255,255,0.92); }

.btn { display: inline-block; background: var(--green); color: #fff; font-weight: 700; padding: 15px 34px; text-decoration: none; border-radius: 6px; transition: transform .2s, background .2s; }
.btn:hover { transform: translateY(-3px); background: var(--green-deep); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.7); }
.btn-outline:hover { background: rgba(255,255,255,0.12); }

/* page hero (sub pages) */
.page-hero { background: var(--green-deep); color: #fff; padding: 60px 0; }
.page-hero .en { font-size: 0.8rem; letter-spacing: 0.3em; color: #9bd3b1; font-weight: 700; }
.page-hero h1 { font-size: 2rem; font-weight: 800; margin-top: 6px; }
.crumb { font-size: 0.8rem; color: var(--gray); padding: 14px 0; }
.crumb a { color: var(--green); text-decoration: none; }

/* sections */
section { padding: 80px 0; }
.section-label { text-align: center; font-size: 0.78rem; letter-spacing: 0.3em; color: var(--green); font-weight: 700; margin-bottom: 8px; }
section h2 { text-align: center; font-size: 1.8rem; font-weight: 800; margin-bottom: 14px; }
.lead { text-align: center; color: var(--gray); margin-bottom: 44px; }
.bg-cream { background: var(--cream); }

/* cards (service) */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; transition: transform .2s, box-shadow .2s; text-decoration: none; color: inherit; display: block; }
.card:hover { transform: translateY(-5px); box-shadow: 0 16px 34px rgba(0,0,0,0.08); }
.card-photo { height: 150px; background-size: cover; background-position: center; background-color: var(--cream); }
.card-body { padding: 22px 22px; }
.card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.card p { font-size: 0.9rem; color: var(--gray); }
.card .more { color: var(--green); font-weight: 700; font-size: 0.85rem; margin-top: 10px; display: inline-block; }

/* works grid */
.works-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 26px; }
.work { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; }
.work-photo { height: 200px; background-size: cover; background-position: center; background-color: var(--cream); }
.work-body { padding: 18px 20px; }
.work-tag { display: inline-block; background: var(--cream); color: var(--green); font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 100px; margin-bottom: 8px; }
.work-body h3 { font-size: 1.05rem; margin-bottom: 4px; }
.work-body p { font-size: 0.86rem; color: var(--gray); }

/* steps */
.steps { max-width: 760px; margin: 0 auto; }
.step { display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.step-num { width: 46px; height: 46px; border-radius: 50%; background: var(--green); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; }
.step h3 { font-size: 1.1rem; margin-bottom: 4px; }
.step p { font-size: 0.9rem; color: var(--gray); }

/* table (company / jobs) */
.info-table { max-width: 760px; margin: 0 auto; width: 100%; border-collapse: collapse; }
.info-table th, .info-table td { padding: 15px 14px; border-bottom: 1px solid var(--line); text-align: left; font-weight: normal; vertical-align: top; }
.info-table th { width: 150px; color: var(--ink); font-weight: 700; background: var(--cream); }

/* voices / benefits */
.voice-grid, .benefit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.voice { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 24px; }
.voice .who { font-size: 0.82rem; color: var(--gray); margin-bottom: 10px; }
.voice p { font-size: 0.92rem; }
.benefit { background: var(--cream); border-radius: 8px; padding: 20px 22px; }
.benefit h3 { font-size: 1rem; color: var(--green-deep); margin-bottom: 6px; }
.benefit p { font-size: 0.88rem; color: var(--gray); }

/* cta band */
.cta-band { background: var(--green); color: #fff; text-align: center; padding: 64px 0; }
.cta-band h2 { color: #fff; font-size: 1.7rem; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,0.9); margin-bottom: 26px; }
.cta-band .btn { background: #fff; color: var(--green-deep); }
.cta-band .btn:hover { background: var(--cream); }

/* form */
.form { max-width: 640px; margin: 0 auto; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 700; font-size: 0.9rem; margin-bottom: 6px; }
.field input, .field textarea, .field select { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 6px; font-size: 1rem; font-family: inherit; }
.field textarea { min-height: 130px; resize: vertical; }
.form .btn { width: 100%; justify-content: center; text-align: center; border: none; cursor: pointer; font-size: 1rem; }
.contact-tel { text-align: center; font-size: 2.2rem; font-weight: 800; color: var(--green); margin: 8px 0; }
.contact-tel a { text-decoration: none; color: var(--green); }

/* footer */
footer { background: var(--green-deep); color: rgba(255,255,255,0.7); padding: 50px 0 28px; }
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; max-width: 1040px; margin: 0 auto 28px; padding: 0 24px; }
.footer-logo { font-size: 1.2rem; font-weight: 800; color: #fff; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { color: rgba(255,255,255,0.8); text-decoration: none; font-size: 0.9rem; }
.footer-links a:hover { color: #fff; }
.footer-bottom { text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.5); border-top: 1px solid rgba(255,255,255,0.15); padding-top: 20px; }

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; padding: 8px 24px 16px; box-shadow: 0 8px 16px rgba(0,0,0,0.08); }
  nav.open { display: flex; }
  nav a { padding: 12px 0; border-bottom: 1px solid var(--line); width: 100%; }
  .nav-cta { text-align: center; margin-top: 10px; }
  .hero h1 { font-size: 2rem; }
  section { padding: 56px 0; }
}
