/*
Theme Name: ZeroY Starter
Description: GOLFNIA 日本市場向け B2B サイト（ゴルフボールのOEM製造・名入れ）。深いネイビーとゴルフグリーンの設計トークンを使用します。
Version: 2.1.0
Requires at least: 6.0
Tested up to: 7.1
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: golfnia
*/

/* ============================================================
   GOLFNIA — 全站スタイル
   日本市場向け B2B。装飾より「整理された情報」を優先します。
   ============================================================ */

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background-color: var(--white);
  color: var(--text-main);
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--green-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { margin: 0; line-height: 1.5; color: var(--navy-deep); font-weight: 700; }
p { margin: 0 0 1em; }

:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: var(--white);
  padding: 10px 16px;
  z-index: 999;
}
.skip-link:focus { left: 0; }

/* ------------------------------------------------------------
   レイアウト
------------------------------------------------------------ */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: var(--pad-inline);
  padding-right: var(--pad-inline);
}

.section { padding: var(--gap-section) 0; }
.section + .section { padding-top: 0; }
.bg-soft { background-color: var(--soft-gray); }
.bg-navy { background-color: var(--navy); color: var(--white); }
.bg-navy h2, .bg-navy h3 { color: var(--white); }

.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.section-kicker {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 12px;
}

.section-title { font-size: 1.7rem; margin: 0 0 16px; }
.section-lead { font-size: 0.95rem; color: var(--text-sub); margin: 0; }

/* ------------------------------------------------------------
   ボタン・導線
------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover { text-decoration: none; }

.btn-primary { background-color: var(--green); border-color: var(--green); color: var(--white); }
.btn-primary:hover { background-color: var(--green-deep); border-color: var(--green-deep); }

.btn-outline { background-color: transparent; border-color: var(--white); color: var(--white); }
.btn-outline:hover { background-color: rgba(255,255,255,.12); }

.btn-outline-navy { background-color: transparent; border-color: var(--navy); color: var(--navy); }
.btn-outline-navy:hover { background-color: var(--navy); color: var(--white); }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ------------------------------------------------------------
   ヘッダー
------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--white);
  border-bottom: 1px solid var(--line-gray);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.site-brand { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.site-brand:hover { text-decoration: none; }

.brand-badge {
  display: inline-block;
  padding: 8px 12px;
  background-color: var(--navy);
  color: var(--white);
  font-family: var(--font-en);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1;
}

.brand-text { display: flex; flex-direction: column; gap: 2px; }

.site-title {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--navy-deep);
  line-height: 1.4;
}

.site-tagline {
  font-size: 0.7rem;
  color: var(--text-mute);
  line-height: 1.4;
}

.site-nav { display: flex; align-items: center; }

.nav-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  display: inline-block;
  padding: 6px 0;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--navy-deep);
  border-bottom: 2px solid transparent;
}
.nav-list a:hover { text-decoration: none; border-bottom-color: var(--line-gray); }
.nav-list a.is-current { border-bottom-color: var(--green); color: var(--green-deep); }

.nav-contact {
  padding: 10px 16px !important;
  background-color: var(--green);
  border: 0 !important;
  border-radius: var(--radius-control);
  color: var(--white) !important;
  font-weight: 600;
}
.nav-contact:hover { background-color: var(--green-deep); }
.nav-contact.is-current { background-color: var(--green-deep); }

/* ------------------------------------------------------------
   フッター
------------------------------------------------------------ */
.site-footer {
  margin-top: var(--gap-section);
  background-color: var(--navy-deep);
  color: rgba(255,255,255,.78);
  font-size: 0.86rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 32px 48px;
  justify-content: space-between;
  padding-top: 56px;
  padding-bottom: 40px;
}

.footer-brand { max-width: 420px; }
.brand-badge--footer { background-color: transparent; border: 1px solid rgba(255,255,255,.4); }
.footer-desc { margin: 16px 0 0; font-size: 0.82rem; line-height: 1.8; }

.footer-nav ul, .footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-nav a { color: rgba(255,255,255,.86); }
.footer-legal { margin-top: 20px; font-size: 0.8rem; }
.footer-legal a { color: rgba(255,255,255,.66); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); }
.footer-copy { margin: 0; padding: 18px 0; font-size: 0.76rem; color: rgba(255,255,255,.6); }

/* ------------------------------------------------------------
   ページ見出し（下層ページ共通）
------------------------------------------------------------ */
.page-hero {
  padding: 56px 0 44px;
  background-color: var(--navy);
  color: var(--white);
}
.page-hero-kicker {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.72);
  margin: 0 0 12px;
}
.page-hero-title { font-size: 2rem; margin: 0 0 16px; color: var(--white); }
.page-hero-lead { max-width: 760px; margin: 0; font-size: 0.95rem; color: rgba(255,255,255,.86); }

/* ------------------------------------------------------------
   グリッド・カード
------------------------------------------------------------ */
.grid-2, .grid-3, .grid-4 { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px;
  background-color: var(--white);
  border: 1px solid var(--line-gray);
  border-radius: var(--radius-card);
}
.card--link { transition: border-color .2s ease, box-shadow .2s ease; }
.card--link:hover { border-color: var(--green); box-shadow: var(--shadow-card); text-decoration: none; }

.card-kicker {
  font-family: var(--font-en);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
}
.card-title { font-size: 1.1rem; margin: 0; }
.card-text { margin: 0; font-size: 0.88rem; color: var(--text-sub); }
.card-meta { margin: 0; font-size: 0.8rem; color: var(--text-mute); }
.card-more { margin-top: auto; font-size: 0.84rem; font-weight: 600; color: var(--green-deep); }

/* スペック表・定義リスト */
.info-list { margin: 0; border-top: 1px solid var(--line-gray); }
.info-list div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-gray);
}
.info-list dt { flex: 0 0 200px; margin: 0; font-size: 0.86rem; font-weight: 600; color: var(--navy-deep); }
.info-list dd { flex: 1 1 320px; margin: 0; font-size: 0.88rem; color: var(--text-sub); }

.table-spec { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.table-spec th, .table-spec td { padding: 12px 14px; border: 1px solid var(--line-gray); text-align: left; }
.table-spec th { background-color: var(--soft-gray); font-weight: 600; color: var(--navy-deep); }

/* チェックリスト・手順 */
.list-check { margin: 0; padding: 0; list-style: none; }
.list-check li { position: relative; padding: 6px 0 6px 26px; font-size: 0.88rem; color: var(--text-sub); }
.list-check li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 16px;
  width: 8px;
  height: 8px;
  background-color: var(--green);
  border-radius: 50%;
}

.step-list { display: grid; gap: 18px; margin: 0; padding: 0; list-style: none; counter-reset: step; }
.step-list li {
  position: relative;
  padding: 18px 22px 18px 66px;
  background-color: var(--white);
  border: 1px solid var(--line-gray);
  border-radius: var(--radius-card);
}
.step-list li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 22px;
  top: 18px;
  font-family: var(--font-en);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--green);
}
.step-title { margin: 0 0 4px; font-size: 0.98rem; }
.step-text { margin: 0; font-size: 0.86rem; color: var(--text-sub); }

/* ------------------------------------------------------------
   問い合わせ導線
------------------------------------------------------------ */
.cta-band { padding: var(--gap-section) 0 0; }
.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px 40px;
  padding: 40px;
  background-color: var(--navy);
  border-radius: var(--radius-card);
}
.cta-kicker {
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  margin: 0 0 10px;
}
.cta-title { font-size: 1.25rem; color: var(--white); margin: 0 0 10px; }
.cta-text { margin: 0; font-size: 0.88rem; color: rgba(255,255,255,.82); }
.cta-body { flex: 1 1 480px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ------------------------------------------------------------
   フォーム
------------------------------------------------------------ */
.form-wrap { max-width: 860px; }
.form-notice {
  padding: 16px 20px;
  margin: 0 0 24px;
  border-radius: var(--radius-control);
  font-size: 0.88rem;
}
.form-notice--ok { background-color: var(--green-tint); border: 1px solid var(--green); color: var(--green-deep); }
.form-notice--error { background-color: #FDF3F3; border: 1px solid #C0392B; color: #8E2A20; }

.form-hp { position: absolute; left: -9999px; }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 24px; }
.form-field { margin: 0; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { display: block; margin-bottom: 8px; font-size: 0.86rem; font-weight: 600; color: var(--navy-deep); }

.form-required, .form-optional {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
}
.form-required { background-color: var(--green-tint); color: var(--green-deep); }
.form-optional { background-color: var(--soft-gray); color: var(--text-mute); }

.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="tel"],
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-gray);
  border-radius: var(--radius-control);
  background-color: var(--white);
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text-main);
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--green); outline: none; }

.form-check { display: flex; align-items: flex-start; gap: 10px; font-weight: 400; }
.form-check input { margin-top: 6px; }

.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 28px; }
.form-note { font-size: 0.8rem; color: var(--text-mute); }

/* 本文（法務ページなど） */
.prose { max-width: 820px; font-size: 0.92rem; color: var(--text-sub); }
.prose h2 { font-size: 1.2rem; margin: 40px 0 14px; }
.prose h3 { font-size: 1rem; margin: 28px 0 10px; }
.prose ul { margin: 0 0 1em; padding-left: 1.4em; }
.prose li { margin-bottom: 6px; }

/* ------------------------------------------------------------
   トップページ：ヒーロー
------------------------------------------------------------ */
.home-hero {
  padding: 76px 0 64px;
  background:
    linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 100%);
  color: var(--white);
}
.home-hero-inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.home-hero-kicker {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
  margin: 0 0 16px;
}
.home-hero-title { font-size: 2.3rem; color: var(--white); margin: 0 0 20px; line-height: 1.45; }
.home-hero-lead { max-width: 640px; font-size: 0.98rem; color: rgba(255,255,255,.86); margin: 0 0 28px; }
.home-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.fact-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background-color: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.18);
}
.fact-list li { padding: 20px 22px; background-color: var(--navy); }
.fact-label {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,.66);
  margin-bottom: 6px;
}
.fact-value { display: block; font-size: 1.05rem; font-weight: 700; color: var(--white); }
.fact-note { display: block; margin-top: 4px; font-size: 0.78rem; color: rgba(255,255,255,.7); }

/* ------------------------------------------------------------
   トップページ：セクション補助
------------------------------------------------------------ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.note-box {
  padding: 20px 22px;
  background-color: var(--soft-gray);
  border-left: 3px solid var(--green);
  border-radius: var(--radius-control);
  font-size: 0.86rem;
  color: var(--text-sub);
}
.note-box p:last-child { margin-bottom: 0; }

.section-foot { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 14px; }

/* ------------------------------------------------------------
   レスポンシブ
------------------------------------------------------------ */
@media (max-width: 1080px) {
  .home-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .home-hero-title { font-size: 2rem; }
}

@media (max-width: 900px) {
  .header-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
  .site-nav { width: 100%; }
  .nav-list { justify-content: flex-start; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner { padding: 32px 24px; }
}

@media (max-width: 760px) {
  body { font-size: 15px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .home-hero { padding: 56px 0 48px; }
  .home-hero-title { font-size: 1.6rem; }
  .page-hero { padding: 40px 0 32px; }
  .page-hero-title { font-size: 1.5rem; }
  .section-title { font-size: 1.35rem; }
  .info-list dt { flex: 1 1 100%; }
  .info-list dd { flex: 1 1 100%; }
  .footer-inner { flex-direction: column; gap: 28px; padding-top: 40px; }
  .btn { width: 100%; }
  .cta-actions { width: 100%; }
}