/* ===== 合同会社U.D.プランニング ｜ 深緑×白のコーポレートサイト ===== */
:root {
  --green: #1d5c49;
  --green-dark: #123c30;
  --green-soft: #3d7a66;
  --ink: #232a26;
  --muted: #68736c;
  --line: #dbe3de;
  --tint: #e9f1ec;
  --paper: #f4f7f5;
  --gold: #b98a4e;
  --radius: 14px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.9;
}

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

.container { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

/* ===== HEADER ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px; gap: 16px;
}
.logo { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.logo-img { height: 30px; width: auto; }
.logo-text {
  font-family: 'Noto Serif JP', serif;
  font-size: 14px; letter-spacing: 0.06em;
}
.logo-text strong { font-size: 17px; font-weight: 900; color: var(--green-dark); }
.main-nav ul { list-style: none; display: flex; gap: 26px; }
.main-nav a {
  font-size: 13px; font-weight: 500; color: var(--muted);
  transition: color .2s;
}
.main-nav a:hover { color: var(--green); }
.header-tel {
  font-family: 'Noto Serif JP', serif;
  font-size: 16px; font-weight: 700; color: var(--green-dark);
  letter-spacing: 0.04em; white-space: nowrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block; font-weight: 700; font-size: 14px;
  padding: 14px 36px; border-radius: 4px;
  transition: all .2s; letter-spacing: 0.06em;
}
.btn-primary { background: var(--green); color: #fff; border: none; cursor: pointer; font-family: inherit; }
.btn-primary:hover { background: var(--green-dark); }
.btn-primary:disabled { opacity: 0.6; cursor: default; }
.btn-light { background: #fff; color: var(--green-dark); }
.btn-light:hover { transform: translateY(-2px); }
.btn-ghost { border: 1.5px solid rgba(255, 255, 255, 0.7); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); }

/* ===== HERO ===== */
.hero {
  background:
    linear-gradient(115deg, rgba(18, 60, 48, 0.96) 0%, rgba(29, 92, 73, 0.92) 60%, rgba(29, 92, 73, 0.85) 100%),
    url("images/hero-work.jpg") center/cover no-repeat;
  color: #fff;
  padding: 110px 0 120px;
}
.hero-eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: 0.32em;
  color: #cfe0d7; margin-bottom: 26px;
}
.hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-weight: 900; font-size: clamp(30px, 4.6vw, 50px);
  line-height: 1.5; letter-spacing: 0.04em; margin-bottom: 26px;
}
.hero-desc { color: #d9e6df; font-size: 15px; margin-bottom: 38px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== SECTIONS ===== */
.section { padding: 92px 0; }
.section--paper { background: var(--paper); }
.section-label {
  display: block; font-size: 12px; font-weight: 700;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
}
.section-title {
  font-family: 'Noto Serif JP', serif;
  font-weight: 900; font-size: clamp(24px, 3.4vw, 34px);
  margin-bottom: 24px; letter-spacing: 0.04em; line-height: 1.6;
}
.section-lead { color: var(--muted); margin-bottom: 44px; font-size: 14.5px; }

/* ===== ABOUT ===== */
.about-grid {
  display: grid; grid-template-columns: 0.9fr 1.1fr;
  gap: 56px; align-items: start;
}
.about-text p { font-size: 15px; margin-bottom: 18px; }
.about-text strong { color: var(--green-dark); }
.about-chips { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.about-chips span {
  font-size: 12.5px; font-weight: 700; color: var(--green-dark);
  background: var(--tint); border-radius: 999px; padding: 7px 16px;
}

/* ===== SERVICES ===== */
.service-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px;
}
.service-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 34px 30px;
  position: relative;
}
.service-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 15px; font-weight: 700; color: var(--gold);
  letter-spacing: 0.1em; display: block; margin-bottom: 10px;
}
.service-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 20px; font-weight: 700; color: var(--green-dark);
  margin-bottom: 12px; letter-spacing: 0.04em;
}
.service-card p { font-size: 14px; color: var(--muted); }
.service-link {
  display: inline-block; margin-top: 14px;
  font-size: 13px; font-weight: 700; color: var(--green);
  border-bottom: 1.5px solid var(--tint); padding-bottom: 2px;
  transition: border-color .2s;
}
.service-link:hover { border-color: var(--green); }
.service-note {
  margin-top: 28px;
  background: var(--tint); border-radius: var(--radius);
  padding: 20px 26px;
}
.service-note p { font-size: 13.5px; }
.service-note a { color: var(--green-dark); font-weight: 700; text-decoration: underline; }

/* ===== GROUP ===== */
.group-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.group-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: box-shadow .25s, transform .25s;
  display: flex; flex-direction: column;
}
.group-card:hover {
  box-shadow: 0 14px 34px rgba(18, 60, 48, 0.16);
  transform: translateY(-3px);
}
.group-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.group-body { padding: 26px 28px 28px; display: flex; flex-direction: column; flex: 1; }
.group-tag {
  display: inline-block; align-self: flex-start;
  font-size: 11px; font-weight: 700; color: var(--green-dark);
  background: var(--tint); border-radius: 999px;
  padding: 3px 12px; margin-bottom: 12px;
}
.group-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 18px; font-weight: 700; margin-bottom: 8px;
}
.group-body p { font-size: 13.5px; color: var(--muted); }
.group-link {
  margin-top: auto; padding-top: 16px;
  font-size: 13px; font-weight: 700; color: var(--green);
}

/* ===== COMPANY ===== */
.company-table {
  width: 100%; max-width: 760px;
  border-collapse: collapse; background: #fff;
  border: 1px solid var(--line);
}
.company-table th, .company-table td {
  border-bottom: 1px solid var(--line);
  padding: 18px 24px; text-align: left;
  font-size: 14.5px; vertical-align: top;
}
.company-table th {
  width: 200px; background: var(--tint);
  font-weight: 700; color: var(--green-dark);
  font-family: 'Noto Serif JP', serif; letter-spacing: 0.04em;
}
.company-table a { text-decoration: underline; }

/* ===== CONTACT ===== */
.contact-grid {
  display: grid; grid-template-columns: 1.2fr 0.8fr;
  gap: 44px; align-items: start;
}
.contact-form-wrap {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 36px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 7px;
}
.required {
  display: inline-block; background: var(--gold); color: #fff;
  font-size: 10.5px; font-weight: 700;
  border-radius: 3px; padding: 1px 8px; margin-left: 8px;
  vertical-align: 1px;
}
.form-group input, .form-group textarea {
  width: 100%; font-family: inherit; font-size: 14px;
  color: var(--ink); background: var(--paper);
  border: 1.5px solid var(--line); border-radius: 6px;
  padding: 12px 14px;
  transition: border-color .2s;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--green); background: #fff;
}
.form-group textarea { resize: vertical; }
.form-status { display: none; font-size: 14px; line-height: 1.9; }
.form-status.is-ok {
  display: block; background: var(--tint); color: var(--green-dark);
  border-radius: 10px; padding: 20px 22px; font-weight: 700;
}
.form-status.is-err {
  display: block; background: #fbeaea; color: #8c3030;
  border-radius: 10px; padding: 16px 20px; margin-top: 16px;
}
.contact-side {
  background: var(--paper); border-radius: var(--radius);
  padding: 30px;
}
.contact-info div {
  display: grid; grid-template-columns: 70px 1fr;
  padding: 13px 0; border-bottom: 1px solid var(--line);
}
.contact-info dt { font-size: 13px; font-weight: 700; color: var(--muted); }
.contact-info dd { font-size: 14px; }
.contact-info dd small { color: var(--muted); }
.contact-tel {
  font-family: 'Noto Serif JP', serif;
  font-size: 21px; font-weight: 900; color: var(--green-dark);
}
.contact-note {
  font-size: 12.5px; color: var(--muted); margin-top: 18px;
  background: var(--tint); border-radius: 8px; padding: 12px 16px;
}
.contact-note a { color: var(--green-dark); font-weight: 700; text-decoration: underline; }

/* ===== FOOTER ===== */
.site-footer { background: var(--green-dark); color: #b9cfc5; padding: 54px 0 28px; }
.footer-logo {
  font-family: 'Noto Serif JP', serif;
  font-weight: 900; font-size: 17px; color: #fff; margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 40px; }
.footer-text { font-size: 13px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  margin-top: 36px; padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .hero { padding: 72px 0 84px; }
  .about-grid { grid-template-columns: 1fr; gap: 24px; }
  .service-grid { grid-template-columns: 1fr; }
  .group-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 28px; }
  .company-table th { width: 120px; padding: 14px 16px; }
  .company-table td { padding: 14px 16px; }
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .pc-only { display: none; }
}