/*
Theme Name: OUTACIT
Theme URI: https://outacit.com
Author: OUTACIT
Author URI: https://outacit.com
Description: WEBマーケティング事業（サイト制作・広告運用・販売導線設計）のオリジナルWordPressテーマ
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.2
License: Proprietary
Text Domain: outacit
*/

/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
  /* Colors */
  --color-primary:       #2C6BED;
  --color-primary-dark:  #1B3A6B;
  --color-primary-light: #EAF1FE;
  --color-accent:        #FF8A3D;
  --color-accent-sub:    #FFC947;
  --color-text:          #1F2933;
  --color-text-sub:      #5A6672;
  --color-border:        #E3E8EF;
  --color-bg:            #FFFFFF;

  /* Shadows */
  --shadow-card: 0 4px 20px rgba(44, 107, 237, 0.08);
  --shadow-hover: 0 8px 32px rgba(44, 107, 237, 0.14);
  --shadow-btn:  0 2px 8px rgba(44, 107, 237, 0.24);

  /* Border radius */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* Typography */
  --font-sans:    'Noto Sans JP', sans-serif;
  --font-heading: 'Poppins', 'Noto Sans JP', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.8;

  /* Spacing scale */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  80px;
  --space-10: 96px;

  /* Layout */
  --container-max: 1200px;
  --container-pad: clamp(20px, 5vw, 48px);

  /* Transitions */
  --transition-base: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
}

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================================
   Layout Utilities
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-10);
}

.section--alt {
  background-color: var(--color-primary-light);
}

/* ============================================================
   Section Headings
   ============================================================ */
.section-head {
  text-align: center;
  margin-bottom: var(--space-8);
}

.section-head__en {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.section-head__ja {
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
}

.section-head__desc {
  margin-top: var(--space-4);
  color: var(--color-text-sub);
  font-size: 15px;
  max-width: 560px;
  margin-inline: auto;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  color: #fff;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.btn--accent {
  background-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(255, 138, 61, 0.32);
}

.btn--accent:hover {
  background-color: #e07030;
  color: #fff;
  transform: translateY(-2px);
}

.btn--outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.btn--lg {
  padding: 18px 44px;
  font-size: 16px;
}

/* ============================================================
   Card
   ============================================================ */
.card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

/* ============================================================
   Badge / Tag
   ============================================================ */
.badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.badge--primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge--accent {
  background-color: #FFF0E6;
  color: var(--color-accent);
}

/* ============================================================
   Form elements
   ============================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
}

.form-label .required {
  color: #E53935;
  margin-left: var(--space-1);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--color-text);
  background-color: #FAFBFC;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44, 107, 237, 0.12);
  background-color: #fff;
}

textarea.form-control {
  min-height: 160px;
  resize: vertical;
}

/* ============================================================
   Breadcrumb
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--color-text-sub);
  padding-block: var(--space-4);
}

.breadcrumb a {
  color: var(--color-text-sub);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb__sep {
  color: var(--color-border);
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-top: var(--space-8);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  transition: all var(--transition-base);
}

.pagination a {
  color: var(--color-text-sub);
  border: 1.5px solid var(--color-border);
}

.pagination a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination .current {
  background-color: var(--color-primary);
  color: #fff;
}

/* ============================================================
   Site Header
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 2px 12px rgba(44, 107, 237, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: var(--space-5);
}

.site-logo {
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--color-primary-dark);
}

.site-logo:hover {
  color: var(--color-primary);
}

.site-logo img,
.site-logo svg {
  height: 28px;
  width: auto;
  display: block;
}

/* Global Nav */
.global-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.global-nav a {
  padding: var(--space-2) var(--space-3);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.global-nav a:hover,
.global-nav a.current-menu-item {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.header-cta {
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base);
}

.hamburger:hover {
  background-color: var(--color-primary-light);
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.is-open .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-open .hamburger__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.is-open .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 68px 0 0;
  background-color: #fff;
  z-index: 99;
  overflow-y: auto;
  padding: var(--space-6) var(--container-pad);
  border-top: 1px solid var(--color-border);
  transform: translateX(100%);
  transition: transform var(--transition-base);
}

.mobile-nav.is-open {
  transform: translateX(0);
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}

.mobile-nav__list a {
  display: block;
  padding: var(--space-4);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-md);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__list a:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* ============================================================
   Site Footer
   ============================================================ */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #fff;
}

.site-footer__main {
  padding-block: var(--space-10) var(--space-8);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: var(--space-8);
}

.footer-brand__logo {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: var(--space-4);
  display: block;
}

.footer-brand__logo img,
.footer-brand__logo svg {
  height: 26px;
  width: auto;
  display: block;
}

.footer-brand__desc {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: var(--space-5);
}

.footer-nav__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-4);
}

.footer-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-nav__list a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-base);
}

.footer-nav__list a:hover {
  color: #fff;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.site-footer__copy {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer__links {
  display: flex;
  gap: var(--space-5);
}

.site-footer__links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer__links a:hover {
  color: #fff;
}

/* ============================================================
   Page Hero (inner pages)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  padding-block: var(--space-10) var(--space-8);
  padding-top: calc(var(--space-10) + 68px);
  text-align: center;
  color: #fff;
}

.page-hero__en {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: var(--space-3);
}

.page-hero__title {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

/* ============================================================
   Main content area
   ============================================================ */
.content-wrap {
  padding-top: 68px;
}

.post-content {
  max-width: 780px;
  margin-inline: auto;
}

.post-content h2 {
  font-size: 24px;
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
  padding-left: var(--space-4);
  border-left: 4px solid var(--color-primary);
}

.post-content h3 {
  font-size: 20px;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.post-content p {
  margin-bottom: var(--space-5);
}

.post-content ul, .post-content ol {
  padding-left: var(--space-5);
  margin-bottom: var(--space-5);
  list-style: revert;
}

.post-content blockquote {
  padding: var(--space-5) var(--space-6);
  border-left: 4px solid var(--color-primary);
  background-color: var(--color-primary-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: var(--space-5);
  color: var(--color-text-sub);
}

.post-content figure {
  margin-block: var(--space-6);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.post-content figure img {
  width: 100%;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 900px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --space-10: 64px;
    --space-9: 48px;
    --space-8: 40px;
  }

  .global-nav,
  .header-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-nav {
    display: block;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .site-footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}