/*
Theme Name: Research PM Theme
Theme URI: https://example.com/
Author: [屋号]
Description: 調査・地域産業支援・プロジェクトマネジメントを提供する個人事業主向けの専用テーマ。落ち着いたエディトリアルデザイン。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: research-pm-theme
*/

:root {
  --color-bg: #ffffff;
  --color-surface: #f6f5f1;
  --color-surface-2: #efede7;
  --color-text: #232220;
  --color-text-muted: #5c5a55;
  --color-border: #e1ddd3;
  --color-accent: #33312c;
  --color-link: #3a4a3f;
  --max-width: 1120px;
  --gutter: 24px;
  --radius: 2px;
  --font-serif: "Shippori Mincho", "Noto Serif JP", serif;
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }
.wp-block-image img, .wp-block-cover img { display: block; }

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

h1, h2, h3, h4,
.wp-block-heading {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-accent);
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1.2em; color: var(--color-text); }

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 0.8em;
}

.container,
.wp-block-group.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section,
.wp-block-group.section {
  padding: 72px var(--gutter);
}
.section > .container,
.wp-block-group.section > .wp-block-group.container { padding-left: 0; padding-right: 0; }

.section--surface { background: var(--color-surface); }
.section--tight { padding-top: 48px; padding-bottom: 48px; }

.section-head {
  max-width: 680px;
  margin: 0 0 40px;
}

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: saturate(140%) blur(4px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-accent);
  letter-spacing: 0.03em;
}
.nav-logo small {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.88rem;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.nav-links a[aria-current="page"] {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 4px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  font-size: 0.85rem;
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { border-top: 1px solid var(--color-border); width: 100%; }
  .nav-links a { display: block; padding: 14px var(--gutter); }
}

/* ---- Hero ---- */
.hero {
  padding: 96px var(--gutter) 72px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.hero p.lead,
.hero .lead { font-size: 1.08rem; color: var(--color-text-muted); }

.cta-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 28px; }
.wp-block-buttons.cta-row { margin-top: 28px; }

.btn,
.wp-block-button__link {
  display: inline-block;
  padding: 13px 28px !important;
  border: 1px solid var(--color-accent);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--color-accent) !important;
  background: transparent !important;
  border-radius: var(--radius) !important;
  cursor: pointer;
  text-decoration: none !important;
}
.btn:hover,
.wp-block-button__link:hover { background: var(--color-accent) !important; color: #fff !important; }

.btn--primary,
.wp-block-button.is-style-fill .wp-block-button__link {
  background: var(--color-accent) !important;
  color: #fff !important;
}
.btn--primary:hover,
.wp-block-button.is-style-fill .wp-block-button__link:hover { opacity: 0.85; }

/* ---- Grid / Cards ---- */
.grid,
.wp-block-columns.grid { display: grid; gap: 28px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

.card,
.wp-block-group.card {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 32px 28px;
}
.card h3 { margin-bottom: 0.5em; }
.card p:last-child { margin-bottom: 0; }
.card .more { display: inline-block; margin-top: 12px; font-size: 0.85rem; }

/* ---- Steps ---- */
.steps { counter-reset: step; }
.step {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-top: 1px solid var(--color-border);
}
.step:first-child { border-top: none; }
.step-number {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-text-muted);
}

/* ---- Lists ---- */
.plain-list,
ul.plain-list.wp-block-list {
  margin: 0 0 1.2em;
  padding: 0;
  list-style: none;
}
.plain-list li {
  padding: 8px 0 8px 1.2em;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.plain-list li::before {
  content: "―";
  position: absolute;
  left: 0;
  color: var(--color-text-muted);
}
.plain-list li:last-child { border-bottom: none; }

.tag-list,
ul.tag-list.wp-block-list {
  display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 1.4em; padding: 0; list-style: none;
}
.tag-list li {
  font-size: 0.85rem;
  padding: 7px 14px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

/* ---- Policy blocks ---- */
.policy-block {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}
.policy-block:first-of-type { border-top: none; }

.notice-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 20px 24px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin: 1.4em 0;
}

/* ---- Breadcrumb / page head ---- */
.page-head {
  padding: 64px var(--gutter) 40px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}
.page-head .container,
.page-head .wp-block-group.container { padding: 0 var(--gutter); max-width: var(--max-width); margin: 0 auto; }

/* ---- Form ---- */
.form-grid { display: grid; gap: 20px; max-width: 640px; }
.form-row label { display: block; font-size: 0.88rem; margin-bottom: 6px; color: var(--color-text); }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--color-border);
  background: #fff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border-radius: var(--radius);
}
.form-row textarea { min-height: 150px; resize: vertical; }
.form-row.required label::after { content: " *"; color: #8a5a3c; }
.form-check { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; }
.form-check input { margin-top: 4px; }

.form-status { padding: 14px 16px; border: 1px solid var(--color-border); font-size: 0.9rem; display: none; }
.form-status.is-visible { display: block; }
.form-status.is-success { border-color: #4a6a52; color: #2f4a37; background: #f3f6f3; }
.form-status.is-error { border-color: #8a5a3c; color: #6e3f27; background: #f8f1ec; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--color-border); padding: 48px var(--gutter) 32px; background: var(--color-surface); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; margin-bottom: 32px; max-width: var(--max-width); margin-left: auto; margin-right: auto; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } }
.footer-grid h4 { font-size: 0.82rem; letter-spacing: 0.06em; color: var(--color-text-muted); margin-bottom: 14px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 8px; font-size: 0.9rem; }
.footer-col--right { text-align: right; }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.8rem; color: var(--color-text-muted); border-top: 1px solid var(--color-border);
  padding-top: 20px; max-width: var(--max-width); margin: 0 auto;
}

/* ---- Utilities ---- */
.text-muted { color: var(--color-text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.caution-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-border);
  padding-left: 14px;
}

/* ---- Alignfull sections inside page content ---- */
.wp-block-group.alignfull { padding-left: 0; padding-right: 0; }