/* ============================================
   五色の旅 記事LP — Premium Style Sheet v3
   Design: シンプル＆読みやすさ重視
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;600;700&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* --- Design Tokens --- */
:root {
  --color-accent-pink: #e85b6f;
  --color-accent-pink-dark: #c9364d;
  --color-accent-orange: #f0a849;
  --color-accent-orange-light: #ffcf85;
  --color-header-blue: #0b3d6b;
  --color-header-blue-light: #1a5a96;
  --color-text: #2a2a2a;
  --color-text-light: #555;
  --color-text-muted: #888;
  --color-border: #e2e2e2;
  --color-border-light: #f0f0f0;
  --color-bg: #f5f4f0;
  --color-bg-warm: #faf8f5;
  --color-white: #fff;

  /* Plan header colors */
  --color-yellow: #d4982a;
  --color-red: #b83535;
  --color-green: #2d8a4e;
  --color-purple: #6b3f8a;
  --color-plan-white: #6a6a6a;

  --container-width: 760px;
  --font-serif: 'Noto Serif JP', '游明朝', 'YuMincho', 'ヒラギノ明朝 ProN', serif;
  --font-sans: 'Noto Sans JP', -apple-system, "system-ui", "YuGothic", sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --shadow-soft: 0 2px 20px rgba(0, 0, 0, 0.06);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-header-blue-light);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent-pink);
}

/* --- Layout Container --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  background: var(--color-white);
  box-shadow: 0 0 60px rgba(11, 61, 107, 0.06);
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-image {
  position: relative;
  width: 100%;
  height: 440px;
  overflow: hidden;
}

.hero-image>img:first-child {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom,
      rgba(11, 61, 107, 0.15) 0%,
      rgba(11, 61, 107, 0.02) 30%,
      rgba(11, 61, 107, 0.02) 50%,
      rgba(11, 61, 107, 0.55) 100%);
}

.hero-title-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 44px 40px 36px;
  z-index: 2;
}


.hero-overlay-design {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 100px;
  height: auto;
  z-index: 10;
  pointer-events: none;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.hero-kicker {
  display: inline-block;
  background: var(--color-accent-pink);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 2px;
  padding: 6px 16px;
  border-radius: 3px;
  margin-bottom: 16px;
}

.hero-title-overlay h1 {
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.65;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
  letter-spacing: 0.5px;
}

.hero-caption {
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: right;
  padding: 10px 28px;
  background: var(--color-bg-warm);
  border-bottom: 1px solid var(--color-border-light);
}

/* ============================================
   Article Body
   ============================================ */
.article-body {
  padding: 40px 40px 60px;
}

/* --- Lead Text --- */
.lead-text {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 2.2;
  color: var(--color-text);
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.lead-text::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--color-accent-orange);
}

/* ============================================
   Section Headings (H2)
   ============================================ */
.article-body h2 {
  font-family: var(--font-serif);
  color: var(--color-text);
  font-size: 25px;
  font-weight: 700;
  padding-bottom: 14px;
  margin: 60px 0 28px;
  position: relative;
  line-height: 1.55;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--color-border);
}

.article-body h2::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent-orange), var(--color-accent-orange-light));
  border-radius: 2px;
}

.article-body h2 .subtitle {
  display: block;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: 6px;
  letter-spacing: 0.5px;
}

/* ============================================
   Sub Headings (H3)
   ============================================ */
.article-body h3 {
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  margin: 40px 0 18px;
  line-height: 1.6;
}

/* ============================================
   Paragraph
   ============================================ */
.article-body p {
  margin-bottom: 24px;
  font-size: 16px;
  line-height: 2.1;
}

/* --- Emphasis / Strong --- */
.article-body strong {
  color: var(--color-accent-pink-dark);
  font-weight: 700;
}

/* ============================================
   Article Figure
   ============================================ */
.article-figure {
  margin: 36px -40px;
  position: relative;
}

.article-figure img {
  width: 100%;
}

.article-figure figcaption {
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
  padding: 10px 40px;
  line-height: 1.6;
  background: var(--color-bg-warm);
}

/* ============================================
   Plan Cards — Color header + plain text body
   ============================================ */
.plan-section-intro {
  text-align: center;
  margin: 10px 0 40px;
}

.plan-section-intro p {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--color-text-light);
}

.plan-cards {
  margin: 30px 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.plan-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.plan-card-header {
  padding: 22px 28px;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: 16px;
}

.plan-card-header .plan-color-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.plan-card-header .plan-header-text {
  flex: 1;
}

.plan-card-header .plan-color-label {
  font-size: 13px;
  opacity: 0.85;
  letter-spacing: 2px;
  display: block;
  margin-bottom: 4px;
}

.plan-card-header .plan-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: block;
}

/* Card body — plain text, no color decorations */
.plan-card-body {
  padding: 28px 28px 24px;
}

/* Plan card images */
.plan-figure {
  margin: 0 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.plan-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  display: block;
}

.plan-card-body .plan-description {
  font-size: 16px;
  line-height: 2.1;
  margin-bottom: 20px;
  color: var(--color-text);
}

.plan-card-body .plan-info {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-light);
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}

.plan-card-body .plan-info strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Card header color variants */
.plan-card--yellow .plan-card-header {
  background: linear-gradient(135deg, #d4982a, #e8b44c);
}

.plan-card--red .plan-card-header {
  background: linear-gradient(135deg, #a82e2e, #c94545);
}

.plan-card--green .plan-card-header {
  background: linear-gradient(135deg, #257a42, #3aad5e);
}

.plan-card--purple .plan-card-header {
  background: linear-gradient(135deg, #5c3578, #8251a8);
}

.plan-card--white .plan-card-header {
  background: linear-gradient(135deg, #5a5a5a, #7a7a7a);
}

/* ============================================
   Message Author
   ============================================ */
.message-author {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 8px;
}

/* ============================================
   Reservation — Simple Style
   ============================================ */
.reservation-steps-simple {
  margin: 16px 0 32px 24px;
  font-size: 16px;
  line-height: 2.2;
}

.reservation-steps-simple li {
  margin-bottom: 8px;
  padding-left: 8px;
}

/* ============================================
   CTA Button
   ============================================ */
.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-accent-orange), #e8b44c);
  color: var(--color-header-blue);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  padding: 16px 48px;
  border-radius: 50px;
  text-decoration: none;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(240, 168, 73, 0.3);
  letter-spacing: 0.5px;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(240, 168, 73, 0.45);
  text-decoration: none;
  color: var(--color-header-blue);
}

/* ============================================
   Cancel Table
   ============================================ */
.cancel-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 15px;
}

.cancel-table th,
.cancel-table td {
  border: 1px solid var(--color-border-light);
  padding: 12px 16px;
  text-align: left;
}

.cancel-table thead th {
  background: var(--color-header-blue);
  color: var(--color-white);
  font-weight: 600;
}

.cancel-table tbody tr:nth-child(even) {
  background: rgba(0, 0, 0, 0.02);
}

.cancel-table tbody td:last-child {
  font-weight: 700;
  text-align: center;
}

.cancel-note {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--color-header-blue);
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  padding: 20px;
  font-size: 12px;
  letter-spacing: 0.5px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 800px) {
  html {
    font-size: 16px;
  }

  .container {
    margin: 0;
    box-shadow: none;
  }

  .hero-image {
    height: 300px;
  }

  .hero-overlay-design {
    width: 80px;
    top: 10px;
    right: 10px;
  }

  .hero-caption {
    text-align: center;
    font-size: 10px;
    padding: 8px 16px;
  }

  .hero-title-overlay {
    padding: 28px 20px 24px;
  }

  .hero-title-overlay h1 {
    font-size: 20px;
  }

  .article-body {
    padding: 28px 20px 44px;
  }

  .article-body h2 {
    font-size: 22px;
    margin-top: 48px;
  }

  .article-figure {
    margin-left: -20px;
    margin-right: -20px;
  }

  .plan-figure {
    grid-template-columns: 1fr;
  }

  .plan-card-header .plan-title {
    font-size: 18px;
  }

  .plan-card-body {
    padding: 24px 20px;
  }
}