/*
 * Kobetsu Shido Sakura - main stylesheet
 * Ported 1:1 from the CodePen mock-up (see dist/index.html, dist/style.css),
 * with the responsive fixes noted under "Theme responsive enhancements" below.
 */

:root {
  --bg: #f7f3eb;
  --bg-soft: #efe7da;
  --white: #ffffff;
  --text: #20262d;
  --muted: #66707a;
  --line: rgba(32, 38, 45, 0.1);

  --navy: #23364b;
  --deep-green: #4c6153;
  --soft-green: #dce5da;
  --beige: #d9c7ad;
  --beige-deep: #c9b291;

  --shadow: 0 20px 60px rgba(28, 35, 41, 0.08);
  --shadow-soft: 0 14px 36px rgba(28, 35, 41, 0.06);

  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;

  --container: 1240px;
  --hero-container: 1380px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, #fbf8f2 0%, #f4efe6 100%);
  font-family:
    "Hiragino Mincho ProN",
    "Yu Mincho",
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    "Meiryo",
    sans-serif;
  line-height: 1.9;
  letter-spacing: 0.04em;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.nowrap {
  white-space: nowrap;
}

iframe {
  display: block;
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
  background: rgba(251, 248, 242, 0.8);
  border-bottom: 1px solid rgba(32, 38, 45, 0.07);
}

.header-inner {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-main {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-wrap: balance;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.menu-label {
  font-size: 0.74rem;
  color: var(--deep-green);
  letter-spacing: 0.24em;
  padding-right: 6px;
}

.desktop-nav a,
.mobile-nav a {
  position: relative;
  font-size: 0.92rem;
  padding-bottom: 4px;
}

.desktop-nav a::after,
.mobile-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--deep-green);
  transition: width 0.28s ease;
}

.desktop-nav a:hover::after,
.mobile-nav a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: var(--text);
}

.menu-toggle-text {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
}

.menu-bars {
  width: 26px;
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
}

.menu-bars span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 14px;
  padding: 0 24px 22px;
  border-top: 1px solid rgba(32, 38, 45, 0.07);
  background: rgba(251, 248, 242, 0.96);
}

.mobile-nav.open {
  display: flex;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: min(980px, 100vh);
  display: flex;
  align-items: center;
  padding: 120px 0 84px;
  background:
    linear-gradient(135deg, rgba(239, 231, 218, 0.92) 0%, rgba(247, 243, 235, 0.92) 48%, rgba(220, 229, 218, 0.9) 100%);
}

.hero-bg-shape {
  position: absolute;
  border-radius: 999px;
  filter: blur(10px);
  pointer-events: none;
}

.hero-bg-shape-1 {
  width: 520px;
  height: 520px;
  background: rgba(201, 178, 145, 0.18);
  top: -140px;
  left: -120px;
}

.hero-bg-shape-2 {
  width: 620px;
  height: 620px;
  background: rgba(76, 97, 83, 0.12);
  right: -180px;
  bottom: -220px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 48px), var(--hero-container));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(420px, 0.9fr);
  gap: 56px;
  align-items: center;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow,
.section-label {
  margin: 0 0 18px;
  font-size: 0.78rem;
  color: var(--deep-green);
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 3.4vw, 3.4rem);
  line-height: 1.2;
  letter-spacing: 0.06em;
  font-weight: 700;
  text-wrap: balance;
}

.lead {
  margin: 28px 0 0;
  max-width: 720px;
  font-size: 1rem;
  color: #49515b;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  border-radius: 999px;
  font-size: 0.92rem;
  transition: transform 0.22s ease, opacity 0.22s ease, background 0.22s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--navy) 0%, #2f4862 100%);
  color: var(--white);
  box-shadow: 0 16px 32px rgba(35, 54, 75, 0.18);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.58);
  color: var(--navy);
  border: 1px solid rgba(35, 54, 75, 0.14);
}

.hero-summary {
  margin: 42px 0 0;
  padding: 24px;
  max-width: 460px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(32, 38, 45, 0.08);
  border-radius: var(--radius-md);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  box-shadow: var(--shadow-soft);
}

.hero-summary dt {
  margin-bottom: 8px;
  font-size: 0.74rem;
  color: var(--muted);
  letter-spacing: 0.12em;
}

.hero-summary dd {
  margin: 0;
  font-weight: 600;
  line-height: 1.7;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.image-placeholder {
  width: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  color: rgba(32, 38, 45, 0.72);
  background: linear-gradient(135deg, #cfcfcf 0%, #bbbbbb 100%);
  border: 1px solid rgba(32, 38, 45, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.image-placeholder span {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.46);
  border: 1px solid rgba(32, 38, 45, 0.12);
  font-size: 0.92rem;
}

.image-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-placeholder {
  max-width: 620px;
  aspect-ratio: 4 / 3;
}

.section {
  padding: 110px 0;
}

.section-soft {
  background:
    linear-gradient(180deg, rgba(220, 229, 218, 0.38) 0%, rgba(255, 255, 255, 0) 100%);
}

.section-access {
  background:
    linear-gradient(180deg, rgba(239, 231, 218, 0.34) 0%, rgba(255, 255, 255, 0) 100%);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-heading h2 {
  margin: 0 0 16px;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.35;
  text-wrap: balance;
}

.section-heading p {
  margin: 0;
  color: #505963;
}

.section-intro {
  padding-top: 0;
  margin-top: -36px;
}

.intro-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}

.intro-copy,
.intro-side,
.news-card,
.content-card,
.course-card,
.access-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(32, 38, 45, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.intro-copy,
.intro-side {
  padding: 34px;
}

.intro-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(1.5rem, 2.3vw, 2.2rem);
  line-height: 1.45;
  text-wrap: balance;
}

.intro-copy p,
.intro-side p {
  margin: 0;
  color: #4f5760;
}

.intro-side {
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(220, 229, 218, 0.72), rgba(239, 231, 218, 0.72));
}

.news-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: start;
}

.news-image {
  min-height: 100%;
  height: 100%;
  min-height: 540px;
}

.news-list {
  display: grid;
  gap: 20px;
}

.news-card,
.course-card,
.access-card {
  padding: 30px;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
  font-size: 0.82rem;
  color: var(--muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(76, 97, 83, 0.12);
  color: var(--deep-green);
}

.news-card h3,
.course-card h3,
.access-card h3 {
  margin: 0 0 12px;
  line-height: 1.55;
}

.content-card {
  padding: 42px;
}

.content-card-solo {
  max-width: 760px;
  margin: 0 auto;
}

.content-card h2 {
  margin: 0 0 18px;
  font-size: clamp(1.8rem, 2.7vw, 2.8rem);
  line-height: 1.4;
  text-wrap: balance;
}

.content-card p {
  margin: 0 0 16px;
  color: #4e5660;
}

.signature {
  margin-top: 24px !important;
  font-weight: 700;
  color: var(--navy) !important;
  letter-spacing: 0.1em;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.course-card {
  min-height: 100%;
}

.access-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 24px;
  align-items: stretch;
}

.info-list {
  margin: 20px 0 0;
  display: grid;
  gap: 18px;
}

.info-list div {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.info-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.info-list dt {
  margin-bottom: 6px;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}

.info-list dd {
  margin: 0;
  font-weight: 600;
  line-height: 1.8;
  text-wrap: balance;
}

.map-wrap {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid rgba(32, 38, 45, 0.08);
  box-shadow: var(--shadow);
  background: #d9d9d9;
}

.map-wrap iframe {
  width: 100%;
  height: 100%;
  min-height: 520px;
  border: 0;
}

.section-contact {
  background:
    linear-gradient(180deg, rgba(220, 229, 218, 0.3) 0%, rgba(255, 255, 255, 0) 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.contact-card {
  padding: 34px;
  text-align: center;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(32, 38, 45, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.contact-card h3 {
  margin: 0 0 20px;
}

.contact-card p {
  margin: 20px 0 0;
  color: #4f5760;
}

.contact-hours-title {
  margin-top: 20px !important;
  font-weight: 700;
  color: var(--navy);
}

.contact-hours {
  margin-top: 6px !important;
}

.qr-placeholder {
  display: inline-grid;
  place-items: center;
  width: 200px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  padding: 12px;
  background: var(--white);
  border: 1px solid rgba(32, 38, 45, 0.08);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.qr-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.contact-card-phone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.phone-link {
  font-size: 1.2rem;
  font-weight: 700;
  padding: 0 34px;
}

.site-footer {
  padding: 30px 0;
  border-top: 1px solid rgba(32, 38, 45, 0.08);
  background: rgba(255, 255, 255, 0.62);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.footer-title {
  margin: 0 0 4px;
  font-weight: 700;
}

.footer-address {
  margin: 0;
  text-wrap: balance;
}

.copyright {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Blog / single post support (not present in the original one-page mock-up) */
.entry-content > * + * {
  margin-top: 16px;
}

.entry-content img {
  border-radius: var(--radius-md);
}

.news-card a:hover {
  text-decoration: underline;
}

@media (max-width: 1080px) {
  .hero-inner,
  .intro-panel,
  .news-layout,
  .access-grid,
  .course-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    justify-content: stretch;
  }

  .hero-placeholder {
    max-width: none;
  }

  .news-image {
    min-height: 320px;
  }
}

@media (max-width: 960px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero {
    min-height: auto;
    padding: 96px 0 64px;
  }

  .hero-summary {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 88px 0;
  }

  .content-card {
    padding: 30px;
  }
}

@media (max-width: 640px) {
  .container,
  .header-inner,
  .hero-inner {
    width: min(calc(100% - 28px), var(--container));
  }

  .header-inner {
    min-height: 78px;
  }

  .brand-main {
    font-size: 1.2rem;
  }

  .brand-sub {
    font-size: 0.68rem;
  }

  .hero {
    padding: 84px 0 52px;
  }

  .hero h1 {
    font-size: clamp(1.55rem, 7.2vw, 2.4rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .intro-copy,
  .intro-side,
  .news-card,
  .content-card,
  .course-card,
  .access-card {
    padding: 24px;
  }

  .map-wrap iframe {
    min-height: 380px;
  }
}

/*
 * Theme responsive enhancements
 * (gaps in the original CodePen export that we fixed for production use)
 */

/* 1. The exported HTML had no viewport meta tag, so mobile browsers rendered
      the desktop layout zoomed out. Fixed in header.php; scroll-margin-top
      below keeps in-page anchor links from landing under the sticky header. */
.site-header ~ main [id],
main [id] {
  scroll-margin-top: 108px;
}

/* 2. Course cards jumped straight from 3 columns to 1 column at 1080px,
      leaving an awkward single-column stretch on tablets. Added a 2-column
      step for the in-between range. */
@media (max-width: 1080px) and (min-width: 641px) {
  .course-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 3. Extra scroll offset for the sticky header on small phones. */
@media (max-width: 640px) {
  main [id] {
    scroll-margin-top: 98px;
  }
}