/*
Theme Name: NOXPHERE
Theme URI: https://noxphere.co.jp/
Author: NOXPHERE Inc.
Description: 株式会社NOXPHERE公式コーポレートサイト用WordPressテーマ。白基調・清潔感・シンプルさを重視したAI企業向けデザイン。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GPL v2 or later
Text Domain: noxphere
*/

/* =========================================================
   カラー・基本設定 — 全体のテーマカラーをここで一元管理
   外観 → カスタマイザーから変更したい場合は inc/customizer.php を編集
   ========================================================= */
:root {
  --color-bg:        #ffffff;
  --color-bg-soft:   #f7f8fa;
  --color-text:      #0f1b2d;
  --color-text-sub:  #5b6573;
  --color-border:    #e6e8ec;
  --color-accent:    #1d4ed8;
  --color-accent-d:  #1e3a8a;

  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --font-en: "Inter", "Noto Sans JP", sans-serif;

  --max-w: 1180px;
  --radius: 4px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-jp);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .65; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

section { padding: 100px 0; }
.section-head { margin-bottom: 60px; text-align: center; }
.section-head .en {
  font-family: var(--font-en);
  font-size: 13px; letter-spacing: .2em;
  color: var(--color-accent); font-weight: 600;
  display: block; margin-bottom: 12px;
}
.section-head .jp { font-size: 32px; font-weight: 700; letter-spacing: .05em; }
.section-head .lead { margin-top: 20px; color: var(--color-text-sub); font-size: 15px; }

/* ===================== ヘッダー ===================== */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}
.header-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  height: 72px; display: flex; align-items: center; justify-content: space-between;
}
.logo { font-family: var(--font-en); font-weight: 700; font-size: 22px; letter-spacing: .08em; }
.logo span { color: var(--color-accent); }
.custom-logo-link img { max-height: 40px; width: auto; }

.gnav ul { display: flex; list-style: none; gap: 36px; align-items: center; }
.gnav a { font-size: 14px; font-weight: 500; }
.gnav .menu-item-en {
  display: block; font-family: var(--font-en); font-size: 10px;
  letter-spacing: .15em; color: var(--color-text-sub); text-align: center; margin-top: 2px;
}
.gnav .btn-contact a, a.btn-contact {
  background: var(--color-accent); color: #fff !important;
  padding: 12px 24px; border-radius: var(--radius);
  font-size: 13px; font-weight: 600;
}
.gnav .btn-contact a:hover, a.btn-contact:hover {
  background: var(--color-accent-d); opacity: 1;
}

.hamburger { display: none; background: none; border: 0; cursor: pointer; }
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--color-text); margin: 5px 0;
  transition: transform .3s, opacity .3s;
}

/* ===================== ヒーロー ===================== */
.hero { padding: 160px 0 120px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; top: 0; right: -10%;
  width: 60%; height: 100%;
  background: radial-gradient(circle at 30% 50%, rgba(29,78,216,.06), transparent 70%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center;
}
.hero-tag {
  font-family: var(--font-en); font-size: 13px; letter-spacing: .25em;
  color: var(--color-accent); font-weight: 600; margin-bottom: 24px;
}
.hero h1 {
  font-size: 48px; font-weight: 700; line-height: 1.5;
  letter-spacing: .04em; margin-bottom: 28px;
}
.hero h1 .accent { color: var(--color-accent); }
.hero p { color: var(--color-text-sub); font-size: 16px; margin-bottom: 40px; max-width: 520px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px; border-radius: var(--radius);
  font-size: 14px; font-weight: 600; transition: all .2s;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-d); opacity: 1; }
.btn-outline { border: 1px solid var(--color-border); background: #fff; }
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); opacity: 1; }
.btn::after { content: "→"; font-size: 14px; }

.hero-visual { position: relative; aspect-ratio: 1/1; max-width: 460px; margin-left: auto; }
.hero-visual .grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle, black 30%, transparent 75%);
}
.hero-visual .circle {
  position: absolute; top: 50%; left: 50%;
  width: 240px; height: 240px; transform: translate(-50%, -50%);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), #4f46e5);
  opacity: .9;
}
.hero-visual .circle::after {
  content: "AI"; position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-en); font-size: 56px; font-weight: 700; color: #fff; letter-spacing: .1em;
}
.hero-visual .ring {
  position: absolute; top: 50%; left: 50%;
  width: 320px; height: 320px; transform: translate(-50%, -50%);
  border: 1px dashed var(--color-accent); border-radius: 50%;
  opacity: .4; animation: spin 30s linear infinite;
}
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

/* ===================== 事業内容 ===================== */
.services { background: var(--color-bg-soft); }
.service-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: #fff; padding: 40px 32px;
  border: 1px solid var(--color-border); border-radius: var(--radius);
  transition: all .3s;
}
.service-card:hover {
  border-color: var(--color-accent); transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(15,27,45,.08);
}
.service-num {
  font-family: var(--font-en); font-size: 12px; letter-spacing: .2em;
  color: var(--color-accent); font-weight: 600; margin-bottom: 20px;
}
.service-icon {
  width: 48px; height: 48px; background: rgba(29,78,216,.08);
  border-radius: var(--radius); display: grid; place-items: center;
  margin-bottom: 24px; color: var(--color-accent);
}
.service-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 12px; letter-spacing: .03em; }
.service-card .en-sub {
  font-family: var(--font-en); font-size: 11px; letter-spacing: .15em;
  color: var(--color-text-sub); margin-bottom: 16px; display: block;
}
.service-card p { color: var(--color-text-sub); font-size: 14px; line-height: 1.85; }

/* ===================== 強み ===================== */
.features-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.feature-item { text-align: center; }
.feature-num {
  font-family: var(--font-en); font-size: 64px; font-weight: 700;
  color: var(--color-accent); line-height: 1; margin-bottom: 20px; letter-spacing: -.02em;
}
.feature-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 16px; }
.feature-item p { color: var(--color-text-sub); font-size: 14px; text-align: left; }

/* ===================== ニュース ===================== */
.news { background: var(--color-bg-soft); }
.news-list { max-width: 880px; margin: 0 auto; }
.news-item {
  display: grid; grid-template-columns: 120px 100px 1fr;
  gap: 24px; padding: 24px 0;
  border-bottom: 1px solid var(--color-border); align-items: center;
}
.news-date { font-family: var(--font-en); font-size: 14px; color: var(--color-text-sub); font-weight: 500; }
.news-cat {
  display: inline-block; padding: 4px 12px;
  font-size: 11px; font-weight: 600; letter-spacing: .1em;
  color: var(--color-accent); border: 1px solid var(--color-accent);
  border-radius: 2px; text-align: center;
}
.news-cat.press { color: #b45309; border-color: #b45309; }
.news-cat.event { color: #047857; border-color: #047857; }
.news-title { font-size: 15px; }
.btn-more { display: block; margin: 48px auto 0; width: fit-content; }

/* ===================== 会社概要 ===================== */
.company-table { max-width: 800px; margin: 0 auto; width: 100%; border-collapse: collapse; }
.company-table th, .company-table td {
  padding: 24px 20px; text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px; vertical-align: top;
}
.company-table th { width: 200px; font-weight: 500; color: var(--color-text-sub); }
.company-table td { line-height: 1.9; }

/* ===================== お問い合わせCTA ===================== */
.contact-cta {
  background: linear-gradient(135deg, #0f1b2d 0%, #1d4ed8 100%);
  color: #fff; text-align: center; padding: 100px 24px;
}
.contact-cta .en { font-family: var(--font-en); font-size: 13px; letter-spacing: .25em; opacity: .7; margin-bottom: 16px; }
.contact-cta h2 { font-size: 32px; font-weight: 700; margin-bottom: 16px; letter-spacing: .04em; }
.contact-cta p { margin-bottom: 40px; opacity: .85; font-size: 15px; }
.contact-cta .btn { background: #fff; color: var(--color-accent); }
.contact-cta .btn:hover { background: #f1f5f9; opacity: 1; }

/* ===================== フッター ===================== */
.footer { background: #0f1b2d; color: #c1c8d4; padding: 70px 0 30px; font-size: 13px; }
.footer-inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 50px; }
.footer-logo { font-family: var(--font-en); font-size: 24px; font-weight: 700; color: #fff; letter-spacing: .08em; margin-bottom: 16px; }
.footer p { line-height: 1.9; opacity: .8; }
.footer h4 { font-family: var(--font-en); font-size: 12px; letter-spacing: .2em; color: #fff; margin-bottom: 18px; font-weight: 600; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer ul a:hover { color: #fff; opacity: 1; }
.footer-bottom {
  padding-top: 30px; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; opacity: .6;
}

/* ===================== 下層ページ ===================== */
.page-hero {
  padding: 140px 0 60px; text-align: center;
  background: var(--color-bg-soft); border-bottom: 1px solid var(--color-border);
}
.page-hero .en {
  font-family: var(--font-en); font-size: 13px; letter-spacing: .25em;
  color: var(--color-accent); font-weight: 600; margin-bottom: 12px; display: block;
}
.page-hero h1 { font-size: 32px; font-weight: 700; letter-spacing: .05em; }
.page-content { padding: 80px 0; }
.page-content .container { max-width: 800px; }
.page-content h2 { font-size: 22px; margin: 40px 0 16px; }
.page-content h3 { font-size: 18px; margin: 32px 0 12px; }
.page-content p { margin-bottom: 1.5em; }
.page-content ul, .page-content ol { margin: 0 0 1.5em 1.5em; }

/* 単一お知らせページ */
.news-single { padding: 120px 0 80px; }
.news-single .container { max-width: 800px; }
.news-single .meta {
  display: flex; gap: 16px; align-items: center; margin-bottom: 24px;
}
.news-single h1 {
  font-size: 28px; font-weight: 700; line-height: 1.5;
  margin-bottom: 40px; padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}
.news-single .post-content p { margin-bottom: 1.5em; }
.news-single .post-content h2 { font-size: 22px; margin: 40px 0 16px; }
.news-single .post-content h3 { font-size: 18px; margin: 32px 0 12px; }

.back-link { display: inline-block; margin-top: 60px; color: var(--color-accent); font-weight: 500; }

/* ページネーション */
.pagination {
  display: flex; justify-content: center; gap: 8px;
  margin-top: 60px; flex-wrap: wrap;
}
.pagination .page-numbers {
  padding: 10px 16px; border: 1px solid var(--color-border);
  border-radius: var(--radius); font-size: 13px;
  font-family: var(--font-en); font-weight: 500;
}
.pagination .page-numbers.current,
.pagination .page-numbers:hover {
  background: var(--color-accent); color: #fff; border-color: var(--color-accent); opacity: 1;
}

/* ===================== レスポンシブ ===================== */
@media (max-width: 900px) {
  section { padding: 70px 0; }
  .section-head .jp { font-size: 24px; }

  .gnav { display: none; }
  .gnav.is-open {
    display: block; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--color-border); padding: 24px;
  }
  .gnav.is-open ul { flex-direction: column; gap: 24px; align-items: flex-start; }
  .hamburger { display: block; }

  .hero { padding: 120px 0 80px; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 30px; }
  .hero-visual { max-width: 280px; margin: 0 auto; }
  .hero-visual .circle { width: 160px; height: 160px; }
  .hero-visual .circle::after { font-size: 36px; }
  .hero-visual .ring { width: 220px; height: 220px; }

  .service-list, .features-list, .footer-inner { grid-template-columns: 1fr; gap: 28px; }

  .news-item { grid-template-columns: 1fr; gap: 8px; }
  .news-cat { width: fit-content; }

  .company-table th, .company-table td { display: block; width: 100%; padding: 12px 0; border: 0; }
  .company-table th { padding-top: 20px; color: var(--color-accent); font-size: 13px; }
  .company-table tr { border-bottom: 1px solid var(--color-border); }

  .footer-bottom { flex-direction: column; gap: 12px; }

  .page-hero { padding: 110px 0 40px; }
  .page-hero h1 { font-size: 24px; }
  .news-single { padding: 100px 0 60px; }
}

/* WordPress必須スタイル */
.alignleft { float: left; margin-right: 1em; }
.alignright { float: right; margin-left: 1em; }
.aligncenter { display: block; margin: 0 auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 13px; color: var(--color-text-sub); margin-top: 8px; }
.screen-reader-text {
  position: absolute; clip: rect(1px, 1px, 1px, 1px); width: 1px; height: 1px; overflow: hidden;
}