/*
Theme Name: mybiz
Theme URI: https://example.com
Author: Custom Build
Author URI: https://example.com
Description: 中小企業診断士（IT専門）向けのオリジナルWordPressテーマ。プロフィール・サービス・実績・お客様の声・お問い合わせを備えたコーポレートサイト構成。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: iwashita-it
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
*/

/* =========================================================
   0. Design tokens
   ========================================================= */
:root {
  --color-navy: #0b2a52;
  --color-navy-dark: #071a35;
  --color-blue: #1ae873;
  --color-blue-dark: #0bc757;
  --color-blue-light: #eafdf3;
  --color-text: #2b3440;
  --color-text-light: #5b6672;
  --color-text-rev: #eeeeee;
  --color-border: #e2e8f0;
  --color-bg: #ffffff;
  --color-bg-alt: #f6f9fc;
  --font-base: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
    "Hiragino Sans", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  --radius: 12px;
  --shadow-sm: 0 2px 8px rgba(11, 42, 82, 0.06);
  --shadow-md: 0 8px 24px rgba(11, 42, 82, 0.10);
  --container: 1120px;
}

/* =========================================================
   1. Reset / base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  background-color: #eeeeff;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-blue-dark); text-decoration: none; transition: opacity .15s ease; }
a:hover { opacity: .7; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p, figure { margin: 0; }
button { font-family: inherit; }

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

.u-center { text-align: center; }
.u-mt-0 { margin-top: 0; }

/* =========================================================
   2. Typography
   ========================================================= */
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--color-blue-dark);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.5;
}
.section-lead {
  color: var(--color-text-light);
  font-size: 16px;
  margin-top: 14px;
}
.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

/* =========================================================
   3. Header
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.site-branding { display: flex; align-items: center; gap: 10px; }
.site-branding img { height: 40px; width: auto; }
.site-branding .site-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
}
.site-branding .site-title span {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: .04em;
}

.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav ul { display: flex; gap: 28px; }
.main-nav a {
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
}
.main-nav a:hover { color: var(--color-blue-dark); opacity: 1; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-blue);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { opacity: .9; }
.btn-outline {
  border-color: var(--color-navy);
  color: var(--color-navy);
  background: transparent;
}
.btn-outline:hover { background: var(--color-navy); color: #fff; opacity: 1; }
.btn-small { padding: 9px 18px; font-size: 13px; }

.header-cta { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  display: block;
}

/* =========================================================
   4. Hero
   ========================================================= */
.hero {
  background:
    radial-gradient(circle at 85% 0%, rgba(26,115,232,.10) 0%, rgba(26,115,232,0) 55%),
    var(--color-bg-alt);
  padding: 96px 0 88px;
  border-bottom: 1px solid var(--color-border);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}
.hero__eyebrow {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-blue-light);
  color: var(--color-blue-dark);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(32px, 4.4vw, 48px);
  line-height: 1.4;
  font-weight: 800;
  color: var(--color-navy);
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-blue-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  margin-top: 22px;
  font-size: 17px;
  color: var(--color-text-light);
  max-width: 46ch;
}
.hero__actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__art {
  display: flex;
  justify-content: center;
}
.hero__art img {
  max-width: 340px;
  filter: drop-shadow(var(--shadow-md));
}
.hero__badges {
  margin-top: 40px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--color-text-light);
}
.hero__badges strong { color: var(--color-navy); display: block; font-size: 20px; }

/* =========================================================
   5. Services grid
   ========================================================= */
.section { padding: 96px 0; }
.section-alt { background: var(--color-bg-alt); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: box-shadow .2s ease, transform .2s ease;
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.service-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-blue-dark);
}
.service-card h3 { font-size: 19px; color: var(--color-navy); font-weight: 700; }
.service-card p { color: var(--color-text-light); font-size: 14.5px; }
.service-card .more { font-size: 14px; font-weight: 700; color: var(--color-blue-dark); margin-top: auto; }

/* Service detail */
.service-hero {
  background: var(--color-bg-alt);
  padding: 64px 0;
  border-bottom: 1px solid var(--color-border);
}
.breadcrumb { font-size: 13px; color: var(--color-text-light); margin-bottom: 18px; }
.breadcrumb a { color: var(--color-text-light); }
.content-block { max-width: 780px; }
.content-block h2 {
  font-size: 22px;
  color: var(--color-navy);
  margin-top: 48px;
  margin-bottom: 18px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border);
}
.content-block h2:first-child { border-top: none; margin-top: 0; }
.content-block p { margin-bottom: 16px; color: var(--color-text); }
.content-block ul { margin: 0 0 16px; padding-left: 0; }
.content-block li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
}
.content-block li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-blue);
}

.flow-steps { display: grid; gap: 16px; margin: 24px 0 32px; }
.flow-step {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.flow-step__num {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--color-navy);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}
.flow-step h4 { font-size: 15.5px; color: var(--color-navy); margin-bottom: 4px; }
.flow-step p { font-size: 14px; color: var(--color-text-light); margin: 0; }

.price-table { width: 100%; border-collapse: collapse; margin: 20px 0 32px; font-size: 14.5px; }
.price-table th, .price-table td {
  border: 1px solid var(--color-border);
  padding: 12px 16px;
  text-align: left;
}
.price-table th { background: var(--color-bg-alt); color: var(--color-navy); }
.price-note { font-size: 13px; color: var(--color-text-light); }

.notice-box {
  background: #fff8e6;
  border: 1px solid #f0dca0;
  border-radius: var(--radius);
  padding: 18px 22px;
  font-size: 13.5px;
  color: #6b5416;
  margin: 24px 0;
}

/* =========================================================
   6. Cards: works / voice
   ========================================================= */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card__media {
  aspect-ratio: 16/10;
  background: var(--color-blue-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-blue-dark);
  font-size: 13px; font-weight: 700;
}
.card__body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card__tag {
  font-size: 11.5px; font-weight: 700; color: var(--color-blue-dark);
  letter-spacing: .04em;
}
.card h3 { font-size: 16px; color: var(--color-navy); }
.card p { font-size: 13.5px; color: var(--color-text-light); flex: 1; }
.card .sample-flag {
  font-size: 11px;
  color: #a1651c;
  background: #fff3e2;
  border-radius: 6px;
  padding: 3px 8px;
  display: inline-block;
  width: fit-content;
}

.voice-quote {
  font-size: 15px;
  color: var(--color-text);
  position: relative;
  padding-left: 4px;
}
.voice-meta { font-size: 13px; color: var(--color-text-light); margin-top: 12px; }

/* =========================================================
   7. Profile
   ========================================================= */
.profile-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
}
.profile-photo {
  aspect-ratio: 3/4;
  border-radius: var(--radius);
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-light);
  font-size: 13px;
  text-align: center;
  padding: 20px;
}
.profile-name { font-size: 24px; color: var(--color-navy); font-weight: 700; margin-top: 20px; }
.profile-role { font-size: 14px; color: var(--color-text-light); margin-top: 6px; }
.profile-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.profile-badges span {
  font-size: 12px;
  background: var(--color-blue-light);
  color: var(--color-blue-dark);
  padding: 5px 12px;
  border-radius: 999px;
  font-weight: 700;
}

.timeline { margin-top: 28px; border-left: 2px solid var(--color-border); padding-left: 24px; }
.timeline li { position: relative; padding-bottom: 26px; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -30px; top: 4px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-blue);
}
.timeline .year { font-size: 13px; font-weight: 700; color: var(--color-blue-dark); }
.timeline .desc { font-size: 14.5px; color: var(--color-text); margin-top: 2px; }

/* =========================================================
   8. CTA banner
   ========================================================= */
.cta-banner {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-blue-dark) 100%);
  border-radius: 20px;
  padding: 56px 48px;
  text-align: center;
  color: #fff;
}
.cta-banner h2 { font-size: clamp(22px, 3vw, 28px); font-weight: 700; }
.cta-banner p { margin-top: 12px; opacity: .85; font-size: 15px; }
.cta-banner .hero__actions { justify-content: center; margin-top: 28px; }
.cta-banner .btn-outline { border-color: #fff; color: #fff; }
.cta-banner .btn-outline:hover { background: #fff; color: var(--color-navy); }

/* =========================================================
   9. Contact form
   ========================================================= */
.form-grid { display: grid; gap: 20px; max-width: 640px; }
.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 8px;
}
.form-row .required { color: #d64545; font-size: 12px; margin-left: 4px; }
.form-row input[type=text],
.form-row input[type=email],
.form-row input[type=tel],
.form-row select,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--color-text);
}
.form-row textarea { min-height: 140px; resize: vertical; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(26,115,232,.15);
}
.form-checks label { font-weight: 500; display: flex; gap: 8px; align-items: center; font-size: 14px; }
.form-msg { padding: 14px 18px; border-radius: 8px; font-size: 14px; margin-bottom: 20px; }
.form-msg.success { background: #e7f6ec; color: #1c7c3f; border: 1px solid #bfe6cb; }
.form-msg.error { background: #fdecec; color: #b3261e; border: 1px solid #f4c6c3; }
.hp-field { position: absolute; left: -9999px; }

.contact-info { background: var(--color-bg-alt); border-radius: var(--radius); padding: 28px; font-size: 14.5px; }
.contact-info dt { font-weight: 700; color: var(--color-navy); margin-top: 16px; }
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd { margin: 4px 0 0; color: var(--color-text-light); }

/* =========================================================
   10. Footer
   ========================================================= */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255,255,255,.72);
  padding: 64px 0 28px;
  margin-top: 96px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-brand img { height: 34px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 13.5px; line-height: 1.9; max-width: 34ch; }
.footer-col h4 { color: #fff; font-size: 14px; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; font-size: 13.5px; }
.footer-col a { color: rgba(255,255,255,.72); }
.footer-col a:hover { color: #fff; }
.site-footer .bottom {
  padding-top: 24px;
  font-size: 12.5px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: rgba(255,255,255,.5);
}

/* =========================================================
   11. Blog / news
   ========================================================= */
.post-list { display: grid; gap: 24px; max-width: 780px; }
.post-list article {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 24px;
}
.post-list .date { font-size: 12.5px; color: var(--color-text-light); }
.post-list h2 { font-size: 18px; color: var(--color-navy); margin-top: 6px; }
.entry-content { max-width: 780px; }
.entry-content img { border-radius: var(--radius); margin: 24px 0; }

/* =========================================================
   12. Responsive
   ========================================================= */
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__art { order: -1; }
  .profile-layout { grid-template-columns: 1fr; }
  .profile-photo { max-width: 220px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .main-nav { position: fixed; inset: 64px 0 0 0; background: #fff; flex-direction: column; padding: 24px; transform: translateX(100%); transition: transform .25s ease; overflow-y: auto; }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 4px; width: 100%; }
  .main-nav ul a { display: block; padding: 14px 4px; border-bottom: 1px solid var(--color-border); }
  .main-nav .header-cta { margin-top: 20px; width: 100%; }
  .main-nav .btn { width: 100%; }
  .nav-toggle { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero { padding: 64px 0; }
  .cta-banner { padding: 40px 24px; }
}