/*
Theme Name: Botanical Portfolio
Theme URI: https://example.com/botanical-portfolio
Author: Your Name
Author URI: https://example.com
Description: ボタニカルテイストのWebデザイナー向けポートフォリオテーマ。オフホワイト×セージグリーンの落ち着いた配色。作品ギャラリー（カスタム投稿タイプ Works）、About、Blog、Contactの構成に対応。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: botanical-portfolio
Tags: portfolio, custom-menu, featured-images, translation-ready, blog, custom-logo
*/

/* =========================================================
   1. Design Tokens (CSS Variables) - Botanical Palette
   ========================================================= */
:root {
  /* Colors - Off-white & Green Botanical */
  --wp-color-primary: #8a9b7a;          /* sage green */
  --wp-color-primary-light: #d4ddcb;    /* eucalyptus mist */
  --wp-color-primary-dark: #4a5d42;     /* forest */
  --wp-color-accent-olive: #a8b89e;
  --wp-color-accent-moss: #6b7a5e;
  --wp-color-accent-terracotta: #c4856b;/* subtle warm accent */
  --wp-color-accent-cream: #ede6d3;
  --wp-color-accent-gold: #c9a96e;      /* logo gold */
  --wp-color-accent-gold-light: #e0c997;
  --wp-color-accent-butterfly: #6ca0c4; /* logo butterfly blue, used very sparingly */
  --wp-color-accent-gold: #c9a96e;      /* logo gold */
  --wp-color-accent-gold-light: #e0c997;
  --wp-color-accent-butterfly: #6ca0c4; /* logo butterfly blue, used very sparingly */
  --wp-color-bg: #faf7f0;               /* off-white */
  --wp-color-bg-soft: #f5f1e8;
  --wp-color-bg-card: #fdfbf5;          /* cream card */
  --wp-color-text: #3a3d36;             /* charcoal with warm tint */
  --wp-color-text-light: #7a7d72;
  --wp-color-border: #e5e0d3;
  --wp-color-card: #fdfbf5;
  --wp-gradient-cta: linear-gradient(135deg, #8a9b7a 0%, #6b7a5e 100%);
  --wp-gradient-hero: linear-gradient(180deg, #faf7f0 0%, #f0ebde 100%);
  --wp-gradient-service-bg: linear-gradient(180deg, #e8ede0 0%, #d4ddcb 50%, #faf7f0 100%);

  /* Typography */
  --wp-font-serif: 'Noto Serif JP', 'Shippori Mincho', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --wp-font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
  --wp-font-en: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif JP', serif;

  /* Spacing */
  --wp-space-xs: 0.5rem;
  --wp-space-sm: 1rem;
  --wp-space-md: 1.5rem;
  --wp-space-lg: 2.5rem;
  --wp-space-xl: 4rem;
  --wp-space-2xl: 6rem;
  --wp-space-3xl: 8rem;

  /* Layout */
  --wp-container: 1120px;
  --wp-container-narrow: 880px;

  /* Effects */
  --wp-radius-sm: 6px;
  --wp-radius-md: 12px;
  --wp-radius-lg: 20px;
  --wp-shadow-card: 0 4px 20px rgba(74, 93, 66, 0.06);
  --wp-shadow-card-hover: 0 8px 30px rgba(74, 93, 66, 0.15);
  --wp-transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* =========================================================
   2. Reset & Base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--wp-font-sans);
  font-size: 15px;
  line-height: 1.8;
  color: var(--wp-color-text);
  background: var(--wp-color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--wp-color-text); text-decoration: none; transition: opacity var(--wp-transition); }
a:hover { opacity: 0.7; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 500; line-height: 1.4; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.5em; }
figure { margin: 0; }

.screen-reader-text {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  width: 1px; height: 1px; overflow: hidden;
}

/* =========================================================
   3. Layout
   ========================================================= */
.wp-container {
  width: 92%;
  max-width: var(--wp-container);
  margin: 0 auto;
}
.wp-container--narrow { max-width: var(--wp-container-narrow); }
.wp-section { padding: var(--wp-space-2xl) 0; }

/* =========================================================
   4. Typography - Section titles
   ========================================================= */
.wp-section-label {
  display: block;
  text-align: center;
  color: var(--wp-color-primary);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  margin-bottom: var(--wp-space-xs);
}
.wp-section-title {
  text-align: center;
  font-family: var(--wp-font-en);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: 0.08em;
  margin-bottom: var(--wp-space-xl);
  font-weight: 500;
  position: relative;
  padding-bottom: var(--wp-space-sm);
}
.wp-section-title::after {
  content: "";
  display: block;
  width: 40px; height: 1px;
  background: var(--wp-color-accent-gold);
  margin: 0.8em auto 0;
}

/* =========================================================
   5. Header
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--wp-color-border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0;
}
.site-branding { display: flex; align-items: center; gap: 0.75rem; }
.site-branding a { color: var(--wp-color-text); display: inline-flex; align-items: center; gap: 0.75rem; }
.custom-logo {
  height: 56px; width: 56px;
  object-fit: contain;
  border-radius: 50%;
}
.site-branding__title {
  font-family: var(--wp-font-en);
  font-size: 1.4rem; font-weight: 500;
  letter-spacing: 0.1em;
}
.site-branding__tagline {
  display: block;
  font-size: 0.7rem; color: var(--wp-color-text-light);
  letter-spacing: 0.15em;
  margin-top: 2px;
}

.main-nav ul {
  display: flex; gap: 2rem; margin: 0; padding: 0; list-style: none;
}
.main-nav a {
  display: inline-block; text-align: center;
  font-family: var(--wp-font-en);
  font-size: 0.95rem; letter-spacing: 0.08em;
}
.main-nav a::after {
  content: attr(data-ja);
  display: block;
  font-family: var(--wp-font-sans);
  font-size: 0.7rem;
  color: var(--wp-color-text-light);
  margin-top: 2px;
}

/* Hamburger */
.nav-toggle {
  display: none; width: 32px; height: 32px; position: relative;
}
.nav-toggle span {
  position: absolute; left: 4px; right: 4px; height: 1.5px;
  background: var(--wp-color-text); transition: var(--wp-transition);
}
.nav-toggle span:nth-child(1) { top: 10px; }
.nav-toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.nav-toggle span:nth-child(3) { bottom: 10px; }
.nav-toggle.is-open span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* =========================================================
   6. Hero
   ========================================================= */
.hero {
  background: var(--wp-gradient-hero);
  padding: var(--wp-space-lg) 0 var(--wp-space-xl);
}
.hero__slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 8;
  overflow: hidden;
}
.hero__slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}
.hero__slide.is-active { opacity: 1; }
.hero__slide--placeholder {
  background: linear-gradient(135deg, var(--wp-color-bg-soft), var(--wp-color-accent-cream));
  display: flex; align-items: center; justify-content: center;
  text-align: center;
}
.hero__placeholder {
  font-family: var(--wp-font-en);
  color: var(--wp-color-primary-dark);
}
.hero__placeholder span {
  display: block;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: 0.15em;
  margin-bottom: 0.5em;
}
.hero__placeholder small {
  font-family: var(--wp-font-sans);
  font-size: 0.8rem;
  color: var(--wp-color-text-light);
}
.hero__catch {
  text-align: center;
  font-family: var(--wp-font-en);
  letter-spacing: 0.2em;
  color: var(--wp-color-accent-gold);
  margin-bottom: var(--wp-space-sm);
}
.hero__dots {
  display: flex; justify-content: center; gap: 0.5rem;
  margin-top: var(--wp-space-md);
}
.hero__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--wp-color-primary-light);
  cursor: pointer;
  transition: var(--wp-transition);
}
.hero__dot.is-active { background: var(--wp-color-primary); transform: scale(1.3); }

/* =========================================================
   7. About Section
   ========================================================= */
.section-about {
  padding: var(--wp-space-xl) 0;
}
.about-card {
  background: #fff;
  border-radius: var(--wp-radius-md);
  box-shadow: var(--wp-shadow-card);
  padding: var(--wp-space-xl);
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--wp-space-lg);
  align-items: center;
}
.about-card__image img { border-radius: var(--wp-radius-md); }
.about-card__label {
  color: var(--wp-color-primary);
  font-size: 0.8rem; letter-spacing: 0.1em;
}
.about-card__title {
  font-family: var(--wp-font-en);
  font-size: 1.8rem; letter-spacing: 0.08em;
  margin-bottom: var(--wp-space-md);
}
.about-card__text {
  font-size: 0.95rem; line-height: 2;
}
.about-card__text mark {
  background: linear-gradient(transparent 60%, var(--wp-color-primary-light) 60%);
  color: inherit;
}
.about-card__more {
  text-align: right;
  margin-top: var(--wp-space-md);
}
.about-card__more a {
  font-family: var(--wp-font-en);
  letter-spacing: 0.1em;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--wp-color-text);
}

/* =========================================================
   8. Works Grid
   ========================================================= */
.works-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--wp-space-md);
}
.work-card {
  text-align: center;
}
.work-card__thumb {
  border-radius: var(--wp-radius-md);
  background: #fff;
  box-shadow: var(--wp-shadow-card);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  transition: var(--wp-transition);
}
.work-card:hover .work-card__thumb {
  box-shadow: var(--wp-shadow-card-hover);
  transform: translateY(-4px);
}
.work-card__thumb img {
  width: 100%; height: 100%; object-fit: cover;
}
.work-card__thumb--placeholder {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--wp-color-primary-light), var(--wp-color-accent-olive));
  color: var(--wp-color-primary-dark);
  font-family: var(--wp-font-en);
  font-size: 1.2rem;
}
.work-card__title {
  margin-top: var(--wp-space-sm);
  font-size: 0.9rem;
  color: var(--wp-color-text);
}
.works-more {
  text-align: center;
  margin-top: var(--wp-space-xl);
}

/* =========================================================
   9. Service Section
   ========================================================= */
.section-service {
  background: var(--wp-gradient-service-bg);
  padding: var(--wp-space-2xl) 0 var(--wp-space-3xl);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--wp-space-md);
}
.service-card {
  background: #fff;
  border-radius: var(--wp-radius-md);
  padding: var(--wp-space-lg);
  box-shadow: var(--wp-shadow-card);
  display: flex; flex-direction: column;
}
.service-card__label {
  color: var(--wp-color-primary);
  font-size: 0.8rem; letter-spacing: 0.1em;
  text-align: center;
}
.service-card__title {
  font-family: var(--wp-font-en);
  font-size: 1.5rem; letter-spacing: 0.05em;
  text-align: center;
  margin-bottom: var(--wp-space-md);
}
.service-card__text {
  font-size: 0.9rem; line-height: 1.9;
  flex-grow: 1;
}
.service-card__meta {
  border-top: 1px dashed var(--wp-color-border);
  padding-top: var(--wp-space-sm);
  margin-top: var(--wp-space-sm);
  font-size: 0.85rem;
  color: var(--wp-color-text-light);
}
.service-card__cta {
  margin-top: var(--wp-space-md);
  text-align: center;
}

/* Gradient button */
.btn-cta {
  display: inline-block;
  background: var(--wp-gradient-cta);
  color: #fff;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  padding: 0.9em 2.2em;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(107, 122, 94, 0.3);
  transition: var(--wp-transition);
}
.btn-cta:hover {
  transform: translateY(-2px);
  opacity: 1;
  box-shadow: 0 6px 20px rgba(107, 122, 94, 0.4);
}

/* =========================================================
   10. Blog Preview ("Thinking about...")
   ========================================================= */
.section-blog {
  padding: var(--wp-space-2xl) 0;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--wp-space-md);
}
.blog-card {
  background: #fff;
  border-radius: var(--wp-radius-md);
  overflow: hidden;
  box-shadow: var(--wp-shadow-card);
  transition: var(--wp-transition);
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--wp-shadow-card-hover);
}
.blog-card__thumb {
  aspect-ratio: 4 / 3;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.8);
}
.blog-card--color-1 .blog-card__thumb { background: linear-gradient(135deg, #d4ddcb, #a8b89e); }
.blog-card--color-2 .blog-card__thumb { background: linear-gradient(135deg, #ede6d3, #c4856b); }
.blog-card--color-3 .blog-card__thumb { background: linear-gradient(135deg, #e8ede0, #8a9b7a); }
.blog-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.blog-card__body { padding: var(--wp-space-sm) var(--wp-space-md) var(--wp-space-md); }
.blog-card__title {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--wp-space-xs);
}
.blog-card__meta {
  display: flex; justify-content: space-between;
  font-size: 0.75rem;
  color: var(--wp-color-text-light);
  border-top: 1px solid var(--wp-color-border);
  padding-top: var(--wp-space-xs);
  margin-top: var(--wp-space-xs);
}

/* =========================================================
   11. Pages & Archive
   ========================================================= */
.page-header {
  padding: var(--wp-space-xl) 0;
  text-align: center;
  background: var(--wp-gradient-hero);
}
.page-header__label {
  color: var(--wp-color-primary);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
}
.page-header__title {
  font-family: var(--wp-font-en);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: 0.08em;
  margin-top: var(--wp-space-xs);
}

.entry-content {
  font-size: 1rem;
  line-height: 2;
}
.entry-content h2 {
  font-family: var(--wp-font-serif);
  font-size: 1.5rem;
  margin-top: 2em;
  margin-bottom: 0.8em;
  padding-bottom: 0.4em;
  border-bottom: 2px solid var(--wp-color-primary-light);
}
.entry-content h3 {
  font-size: 1.2rem;
  margin-top: 1.8em;
  margin-bottom: 0.6em;
  padding-left: 0.6em;
  border-left: 3px solid var(--wp-color-primary);
}
.entry-content a {
  color: var(--wp-color-primary-dark);
  border-bottom: 1px solid var(--wp-color-primary-light);
}
.entry-content blockquote {
  border-left: 3px solid var(--wp-color-primary-light);
  padding-left: 1em;
  color: var(--wp-color-text-light);
  margin: 1.5em 0;
}
.entry-content img {
  border-radius: var(--wp-radius-sm);
  margin: 1.5em 0;
}

.post-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--wp-space-md);
}

.pagination {
  display: flex; justify-content: center; gap: 0.5rem;
  margin-top: var(--wp-space-xl);
}
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 0.85rem;
}
.pagination .current {
  background: var(--wp-color-primary);
  color: #fff;
}

/* =========================================================
   12. Single Post / Work
   ========================================================= */
.single-entry {
  max-width: var(--wp-container-narrow);
  margin: 0 auto;
  padding: var(--wp-space-xl) 0;
}
.single-entry__meta {
  display: flex; gap: 1rem; font-size: 0.85rem;
  color: var(--wp-color-text-light);
  margin-bottom: var(--wp-space-sm);
}
.single-entry__title {
  font-family: var(--wp-font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--wp-space-md);
  line-height: 1.5;
}
.single-entry__thumb {
  border-radius: var(--wp-radius-md);
  overflow: hidden;
  margin-bottom: var(--wp-space-lg);
}

/* Contact */
.contact-intro { max-width: 640px; margin: 0 auto var(--wp-space-lg); text-align: center; }
.wpcf7 { max-width: 680px; margin: 0 auto; }
.wpcf7-form-control:not(.wpcf7-submit) {
  width: 100%;
  padding: 0.8em 1em;
  border: 1px solid var(--wp-color-border);
  border-radius: var(--wp-radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--wp-color-bg-soft);
}
.wpcf7-submit {
  background: var(--wp-gradient-cta);
  color: #fff;
  padding: 0.9em 3em;
  border-radius: 999px;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: var(--wp-transition);
}
.wpcf7-submit:hover { transform: translateY(-2px); }

/* =========================================================
   13. Footer
   ========================================================= */
.site-footer {
  background: linear-gradient(180deg, var(--wp-color-bg), #ece6d5);
  padding: var(--wp-space-xl) 0 var(--wp-space-md);
  text-align: center;
  font-size: 0.8rem;
  color: var(--wp-color-text-light);
}
.site-footer__cloud {
  height: 60px;
  background: radial-gradient(ellipse at top, var(--wp-color-bg) 50%, transparent 70%);
  margin-bottom: var(--wp-space-md);
}
.site-footer a { color: inherit; }

/* =========================================================
   14. Responsive
   ========================================================= */
@media (max-width: 960px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .about-card { grid-template-columns: 1fr; text-align: center; }
  .about-card__image img { max-width: 200px; margin: 0 auto; }
}

@media (max-width: 720px) {
  .site-branding__tagline { display: none; }
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 64px 0 0 0;
    background: rgba(255,255,255,0.98);
    transform: translateX(100%); transition: transform 0.3s ease;
    padding: var(--wp-space-lg);
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 1.5rem; text-align: center; }
  .hero__slider { aspect-ratio: 4 / 3; }
  .wp-section { padding: var(--wp-space-xl) 0; }
  .about-card { padding: var(--wp-space-md); }
}

@media (max-width: 480px) {
  .works-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   15. WordPress Core Classes
   ========================================================= */
.alignleft { float: left; margin-right: 1.5em; }
.alignright { float: right; margin-left: 1.5em; }
.aligncenter { display: block; margin-left: auto; margin-right: auto; }
.alignwide { max-width: 1200px; margin-left: auto; margin-right: auto; }
.alignfull { width: 100vw; max-width: none; margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 0.85rem; color: var(--wp-color-text-light); text-align: center; }
.sticky { }
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.5rem; }

/* =========================================================
   16. Reveal on scroll
   ========================================================= */
.section-about,
.section-works,
.section-service,
.section-blog {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.section-about.is-visible,
.section-works.is-visible,
.section-service.is-visible,
.section-blog.is-visible {
  opacity: 1; transform: translateY(0);
}

/* =========================================================
   17. Work details / nav
   ========================================================= */
.work-details {
  background: var(--wp-color-bg-card);
  padding: var(--wp-space-md);
  border-radius: var(--wp-radius-md);
  margin-bottom: var(--wp-space-lg);
  border: 1px solid var(--wp-color-border);
}
.work-details__list {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5em 1.5em;
  margin: 0;
  font-size: 0.9rem;
}
.work-details__list dt {
  font-family: var(--wp-font-en);
  color: var(--wp-color-primary);
  letter-spacing: 0.1em;
}
.work-details__list dd { margin: 0; }

.work-nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--wp-space-md) 0;
  margin-top: var(--wp-space-lg);
  border-top: 1px solid var(--wp-color-border);
  font-family: var(--wp-font-en);
  letter-spacing: 0.1em;
}
.work-nav__index {
  padding-bottom: 4px;
  border-bottom: 1px solid var(--wp-color-accent-gold);
}

/* =========================================================
   18. Search form
   ========================================================= */
.search-form {
  display: flex; gap: 0.5rem; max-width: 400px; margin: 0 auto;
}
.search-field {
  flex: 1;
  padding: 0.6em 1em;
  border: 1px solid var(--wp-color-border);
  border-radius: 999px;
  background: var(--wp-color-bg-card);
  font-family: inherit;
}
.search-submit {
  padding: 0.6em 1.5em;
  border-radius: 999px;
  background: var(--wp-color-primary);
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

/* =========================================================
   19. Archive description
   ========================================================= */
.archive-description {
  max-width: 640px; margin: var(--wp-space-sm) auto 0;
  text-align: center; font-size: 0.9rem;
  color: var(--wp-color-text-light);
}

/* =========================================================
   20. LINE CTA button (used across hero / service / contact)
   ========================================================= */
:root {
  --wp-color-line: #06c755;
  --wp-color-line-dark: #04a544;
}

.btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 0.95em 2.2em;
  border-radius: 999px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  font-weight: 500;
  line-height: 1;
  transition: var(--wp-transition);
  text-decoration: none;
}
.btn-line__icon { display: inline-flex; }
.btn-line__icon svg { display: block; }

.btn-line--primary {
  background: var(--wp-color-line);
  color: #fff;
  box-shadow: 0 6px 18px rgba(6, 199, 85, 0.25);
}
.btn-line--primary:hover {
  background: var(--wp-color-line-dark);
  transform: translateY(-2px);
  opacity: 1;
  box-shadow: 0 10px 24px rgba(6, 199, 85, 0.35);
  color: #fff;
}

.btn-line--ghost {
  background: #fff;
  color: var(--wp-color-line);
  border: 1.5px solid var(--wp-color-line);
}
.btn-line--ghost:hover {
  background: var(--wp-color-line);
  color: #fff;
  opacity: 1;
}

/* Hero CTA area */
.hero__cta {
  text-align: center;
  margin-top: var(--wp-space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}
.hero__cta-sub {
  margin: 0;
  font-size: 0.85rem;
  color: var(--wp-color-text-light);
  letter-spacing: 0.05em;
  position: relative;
}
.hero__cta-sub::before,
.hero__cta-sub::after {
  content: "";
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--wp-color-accent-gold);
  vertical-align: middle;
  margin: 0 0.8em;
}
.hero__cta-note {
  margin: 0;
  font-size: 0.75rem;
  color: var(--wp-color-text-light);
  opacity: 0.8;
}

/* Contact page LINE area */
.contact-line {
  max-width: 520px;
  margin: var(--wp-space-lg) auto 0;
  padding: var(--wp-space-xl) var(--wp-space-lg);
  background: var(--wp-color-bg-card);
  border: 1px solid var(--wp-color-border);
  border-radius: var(--wp-radius-md);
  text-align: center;
  box-shadow: var(--wp-shadow-card);
}
.contact-line__sub {
  margin: 0 0 var(--wp-space-md);
  font-size: 0.9rem;
  color: var(--wp-color-text-light);
  letter-spacing: 0.05em;
}
.contact-line__btn { display: flex; justify-content: center; }

/* Adjust service card button spacing when using LINE button */
.service-card__cta .btn-line {
  width: 100%;
  max-width: 260px;
}

@media (max-width: 480px) {
  .btn-line { padding: 0.9em 1.6em; font-size: 0.9rem; }
  .hero__cta-sub::before,
  .hero__cta-sub::after { width: 16px; margin: 0 0.4em; }
}