@import url('https://cdn.jsdelivr.net/npm/bulma@1.0.2/css/bulma.min.css');

:root {
  --bsh-ink: #2C2C2C;
  --bsh-ink-light: #6B6B6B;
  --bsh-paper: #FAF8F5;
  --bsh-paper-white: #FFFFFF;
  --bsh-paper-warm: #F0EDE8;
  --bsh-vermillion: #BC002D;
  --bsh-vermillion-light: #E8334A;
  --bsh-vermillion-dark: #8B0021;
  --bsh-border: #E5E0DA;
  --bsh-gold: #C9A84C;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--bsh-ink);
  background-color: var(--bsh-paper);
  line-height: 1.9;
  letter-spacing: 0.02em;
}

/* ========================================
   BSH- NAVBAR
   ======================================== */

.bsh-navbar {
  background-color: var(--bsh-paper-white);
  border-bottom: 1px solid var(--bsh-border);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.bsh-navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bsh-navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.bsh-navbar-logo {
  width: 36px;
  height: 36px;
}

.bsh-navbar-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bsh-vermillion);
  letter-spacing: 0.05em;
}

.bsh-navbar-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.bsh-navbar-link {
  color: var(--bsh-ink);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
}

.bsh-navbar-link:hover {
  color: var(--bsh-vermillion);
}

.bsh-navbar-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--bsh-vermillion);
  transition: width 0.3s ease;
}

.bsh-navbar-link:hover::after {
  width: 100%;
}

.bsh-burger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.bsh-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--bsh-ink);
  transition: all 0.3s ease;
}

/* ========================================
   BSH- HERO (header element)
   ======================================== */

.bsh-hero {
  background: linear-gradient(135deg, var(--bsh-vermillion-dark) 0%, var(--bsh-vermillion) 50%, var(--bsh-vermillion-light) 100%);
  color: var(--bsh-paper-white);
  padding: 6rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.bsh-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 50%),
              radial-gradient(circle at 80% 50%, rgba(255,255,255,0.05) 0%, transparent 50%);
  pointer-events: none;
}

.bsh-hero-heading {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  letter-spacing: 0.03em;
  position: relative;
}

.bsh-hero-tagline {
  font-size: 1.2rem;
  opacity: 0.92;
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  position: relative;
  border: none;
  padding: 0;
  background: none;
  color: inherit;
  font-style: normal;
  quotes: none;
}

/* ========================================
   BSH- DAN (generic section spacing)
   ======================================== */

.bsh-dan {
  padding: 5rem 2rem;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.bsh-dan-heading {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--bsh-ink);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.bsh-dan-heading::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background-color: var(--bsh-vermillion);
  margin-top: 0.6rem;
}

.bsh-dan-lead {
  font-size: 1.05rem;
  color: var(--bsh-ink-light);
  max-width: 720px;
  margin-bottom: 3rem;
  line-height: 1.9;
}

/* ========================================
   BSH- BOTAN (buttons)
   ======================================== */

.bsh-botan {
  display: inline-block;
  background-color: var(--bsh-paper-white);
  color: var(--bsh-vermillion);
  padding: 0.9rem 2.8rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.bsh-botan:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  color: var(--bsh-vermillion-dark);
}

.bsh-botan-light {
  background-color: var(--bsh-paper-white);
  color: var(--bsh-vermillion);
}

.bsh-botan-primary {
  background-color: var(--bsh-vermillion);
  color: var(--bsh-paper-white);
}

.bsh-botan-primary:hover {
  background-color: var(--bsh-vermillion-dark);
  color: var(--bsh-paper-white);
}

/* ========================================
   BSH- TOSHI (city definition list)
   ======================================== */

dl.bsh-dan {
  border: none;
  background-color: var(--bsh-paper);
}

.bsh-toshi-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--bsh-ink);
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--bsh-border);
}

.bsh-toshi-name:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.bsh-toshi-name a {
  color: var(--bsh-vermillion);
  text-decoration: none;
  transition: color 0.2s ease;
}

.bsh-toshi-name a:hover {
  color: var(--bsh-vermillion-dark);
  text-decoration: underline;
}

.bsh-toshi-desc {
  color: var(--bsh-ink-light);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-left: 0;
  margin-bottom: 0.5rem;
}

/* ========================================
   BSH- ARTICLE (what-is section content)
   ======================================== */

article.bsh-dan {
  background-color: var(--bsh-paper-white);
}

article.bsh-dan h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--bsh-ink);
  margin: 2rem 0 0.75rem;
}

article.bsh-dan p {
  margin-bottom: 1.25rem;
  line-height: 2;
  font-size: 1rem;
}

/* ========================================
   BSH- STEPS TABLE
   ======================================== */

.bsh-steps-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
}

.bsh-steps-table th {
  background-color: var(--bsh-vermillion);
  color: var(--bsh-paper-white);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.9rem;
}

.bsh-steps-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--bsh-border);
  font-size: 0.95rem;
  line-height: 1.8;
  vertical-align: top;
}

.bsh-steps-table td:first-child {
  font-weight: 700;
  color: var(--bsh-vermillion);
  width: 80px;
  text-align: center;
}

.bsh-steps-table td:nth-child(2) {
  font-weight: 600;
  white-space: nowrap;
}

.bsh-steps-table tbody tr:hover {
  background-color: var(--bsh-paper);
}

/* ========================================
   BSH- FAQ DEFINITION LIST
   ======================================== */

.bsh-faq-list {
  margin: 2rem 0;
}

.bsh-faq-list dt {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bsh-ink);
  margin-top: 2rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--bsh-vermillion);
}

.bsh-faq-list dt:first-of-type {
  margin-top: 0;
}

.bsh-faq-list dd {
  margin-left: 0;
  padding: 0.75rem 0;
  line-height: 2;
  color: var(--bsh-ink-light);
  font-size: 1rem;
}

/* ========================================
   BSH- BLOCKQUOTE (sugar daddy section)
   ======================================== */

blockquote.bsh-dan {
  border: none;
  border-left: 5px solid var(--bsh-vermillion);
  background-color: var(--bsh-paper-warm);
  padding: 5rem 2rem 5rem 3rem;
  font-style: normal;
  quotes: none;
}

blockquote.bsh-dan p {
  margin-bottom: 1.25rem;
  line-height: 2;
  font-size: 1rem;
  color: var(--bsh-ink);
}

/* ========================================
   BSH- BLOG LIST (nav > ol reversed)
   ======================================== */

nav.bsh-dan {
  background-color: var(--bsh-paper-white);
}

.bsh-blog-list {
  list-style: decimal;
  padding-left: 2rem;
}

.bsh-blog-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--bsh-border);
}

.bsh-blog-item:last-child {
  border-bottom: none;
}

.bsh-blog-date {
  font-size: 0.8rem;
  color: var(--bsh-ink-light);
  display: block;
  margin-bottom: 0.3rem;
}

.bsh-blog-link {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bsh-vermillion);
  text-decoration: none;
  transition: color 0.2s ease;
}

.bsh-blog-link:hover {
  color: var(--bsh-vermillion-dark);
  text-decoration: underline;
}

.bsh-blog-excerpt {
  color: var(--bsh-ink-light);
  font-size: 0.92rem;
  line-height: 1.8;
  margin-top: 0.4rem;
}

/* ========================================
   BSH- FIELDSET (safety section)
   ======================================== */

fieldset.bsh-dan {
  border: 2px solid var(--bsh-vermillion);
  border-radius: 6px;
  max-width: 1100px;
  margin: 0 auto;
}

fieldset.bsh-dan legend {
  padding: 0 1rem;
}

fieldset.bsh-dan legend .bsh-dan-heading {
  margin-bottom: 0;
}

.bsh-safety-list {
  margin: 0;
  padding-left: 1.5rem;
}

.bsh-safety-list li {
  margin-bottom: 1rem;
  line-height: 1.85;
  font-size: 1rem;
  color: var(--bsh-ink);
}

/* ========================================
   BSH- CTA (div role=contentinfo)
   ======================================== */

.bsh-cta {
  background: linear-gradient(135deg, var(--bsh-vermillion-dark), var(--bsh-vermillion));
  color: var(--bsh-paper-white);
  text-align: center;
  padding: 4rem 2rem;
}

.bsh-cta-heading {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--bsh-paper-white);
}

.bsh-cta-text {
  font-size: 1.05rem;
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

/* ========================================
   BSH- FOOTER
   ======================================== */

.bsh-footer {
  background-color: var(--bsh-ink);
  color: rgba(255,255,255,0.7);
  padding: 3.5rem 2rem 2rem;
}

.bsh-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.bsh-footer-brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--bsh-paper-white);
  margin-bottom: 0.75rem;
}

.bsh-footer-about {
  font-size: 0.88rem;
  line-height: 1.8;
}

.bsh-footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bsh-paper-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.bsh-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.bsh-footer-links li {
  margin-bottom: 0.5rem;
}

.bsh-footer-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.bsh-footer-links a:hover {
  color: var(--bsh-paper-white);
}

.bsh-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
}

/* ========================================
   BSH- CONTENT (for subpages)
   ======================================== */

.bsh-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 3.5rem 2rem;
}

.bsh-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--bsh-ink);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--bsh-vermillion);
}

.bsh-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--bsh-ink);
  margin: 2rem 0 0.75rem;
}

.bsh-content p {
  margin-bottom: 1.25rem;
  line-height: 2;
  font-size: 1rem;
}

.bsh-content ul,
.bsh-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.bsh-content li {
  margin-bottom: 0.5rem;
  line-height: 1.85;
}

.bsh-content blockquote {
  border-left: 4px solid var(--bsh-vermillion);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background-color: var(--bsh-paper-warm);
  color: var(--bsh-ink-light);
  font-style: italic;
}

/* ========================================
   BSH- PAGE HEADER (city/post pages)
   ======================================== */

.bsh-page-header {
  background: linear-gradient(135deg, var(--bsh-vermillion-dark), var(--bsh-vermillion));
  color: var(--bsh-paper-white);
  padding: 3.5rem 2rem;
  text-align: center;
}

.bsh-page-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.bsh-page-meta {
  font-size: 0.95rem;
  opacity: 0.85;
}

/* ========================================
   BSH- BREADCRUMB
   ======================================== */

.bsh-breadcrumb {
  padding: 1rem 2rem;
  font-size: 0.85rem;
  color: var(--bsh-ink-light);
  background: var(--bsh-paper-white);
  border-bottom: 1px solid var(--bsh-border);
}

.bsh-breadcrumb a {
  color: var(--bsh-vermillion);
  text-decoration: none;
}

.bsh-breadcrumb a:hover {
  text-decoration: underline;
}

.bsh-breadcrumb span {
  margin: 0 0.4rem;
  color: var(--bsh-border);
}

/* ========================================
   BSH- BLOG PAGE LIST
   ======================================== */

.bsh-blog-page-list {
  max-width: 760px;
  margin: 0 auto;
}

.bsh-blog-page-item {
  border-bottom: 1px solid var(--bsh-border);
  padding: 2rem 0;
  text-decoration: none;
  display: block;
  transition: background-color 0.2s ease;
}

.bsh-blog-page-item:first-child {
  padding-top: 0;
}

.bsh-blog-page-item:last-child {
  border-bottom: none;
}

.bsh-blog-page-date {
  font-size: 0.8rem;
  color: var(--bsh-ink-light);
  margin-bottom: 0.4rem;
}

.bsh-blog-page-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--bsh-ink);
  margin-bottom: 0.5rem;
}

.bsh-blog-page-excerpt {
  color: var(--bsh-ink-light);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ========================================
   BSH- FORM
   ======================================== */

.bsh-contact-form {
  max-width: 560px;
  margin: 0 auto;
}

.bsh-form-field {
  margin-bottom: 1.5rem;
}

.bsh-form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--bsh-ink);
}

.bsh-form-input,
.bsh-form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--bsh-border);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s ease;
  background: var(--bsh-paper-white);
}

.bsh-form-input:focus,
.bsh-form-textarea:focus {
  outline: none;
  border-color: var(--bsh-vermillion);
}

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

.bsh-form-submit {
  display: inline-block;
  background-color: var(--bsh-vermillion);
  color: var(--bsh-paper-white);
  padding: 0.85rem 2.5rem;
  border: none;
  border-radius: 4px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.bsh-form-submit:hover {
  background-color: var(--bsh-vermillion-dark);
}

/* ========================================
   BSH- RUBY TAGS
   ======================================== */

ruby {
  ruby-align: center;
}

ruby rt {
  font-size: 0.55em;
  color: inherit;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .bsh-hero {
    padding: 4rem 1.5rem;
  }

  .bsh-hero-heading {
    font-size: 1.85rem;
  }

  .bsh-hero-tagline {
    font-size: 1rem;
  }

  .bsh-dan {
    padding: 3rem 1.25rem;
  }

  .bsh-dan-heading {
    font-size: 1.5rem;
  }

  .bsh-footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .bsh-navbar-menu {
    display: none;
  }

  .bsh-burger {
    display: flex;
  }

  .bsh-navbar-menu.bsh-active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bsh-paper-white);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--bsh-border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  }

  .bsh-page-title {
    font-size: 1.6rem;
  }

  .bsh-content h2 {
    font-size: 1.35rem;
  }

  .bsh-steps-table td:nth-child(2) {
    white-space: normal;
  }

  blockquote.bsh-dan {
    padding-left: 1.5rem;
  }
}