/* ==========================================================================
   Lien カップルカウンセリング - スタイルシート
   ========================================================================== */

:root {
  --color-bg: #FAF7F2;
  --color-bg-alt: #F2EDE4;
  --color-card: #FFFFFF;
  --color-primary: #4A6B5A;
  --color-primary-light: #7B9E89;
  --color-accent: #C49B97;
  --color-accent-dark: #A87470;
  --color-text: #2F2A26;
  --color-text-muted: #6B6560;
  --color-border: #E5DED2;
  --color-success: #5A8A6E;
  --color-warning: #C58A3F;

  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;

  --max-width: 1100px;
  --content-width: 760px;

  --shadow-sm: 0 1px 3px rgba(47, 42, 38, 0.05);
  --shadow-md: 0 4px 16px rgba(47, 42, 38, 0.08);
  --shadow-lg: 0 12px 32px rgba(47, 42, 38, 0.10);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin: 0 0 1rem;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.875rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1.25rem; }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color .2s;
}
a:hover { color: var(--color-accent-dark); }

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

ul, ol { padding-left: 1.4em; }
li { margin-bottom: .35em; }

/* ===== Layout ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.container-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

section {
  padding: 4rem 0;
}
@media (max-width: 640px) {
  section { padding: 2.5rem 0; }
}

/* ===== Header ===== */
.site-header {
  background: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  max-width: var(--max-width);
  margin: 0 auto;
}
.site-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-decoration: none;
}
.site-logo span {
  color: var(--color-accent-dark);
  letter-spacing: 0.06em;
  margin-left: .15rem;
  font-style: italic;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.site-nav a {
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--color-primary); }
.site-nav .btn-cta {
  padding: .5rem 1.1rem;
  font-size: .85rem;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

@media (max-width: 820px) {
  .menu-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg);
    padding: 1.25rem;
    border-bottom: 1px solid var(--color-border);
    gap: 1rem;
    box-shadow: var(--shadow-md);
  }
  .site-nav.is-open { display: flex; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: .85rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 1rem;
}
.btn-primary, .btn-cta {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover, .btn-cta:hover {
  background: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
}
.btn-large {
  padding: 1.1rem 2.25rem;
  font-size: 1.05rem;
}

/* ===== Hero ===== */
.hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(180deg, #F5EFE4 0%, var(--color-bg) 100%);
  position: relative;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.hero__title {
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  line-height: 1.45;
  margin-bottom: 1.25rem;
}
.hero__title em {
  font-style: normal;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}
.hero__lead {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}
.hero__cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hero__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(74,107,90,0.08) 100%);
  pointer-events: none;
}
@media (max-width: 820px) {
  .hero__inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero__image { aspect-ratio: 16 / 10; }
}

/* Section image (full-width photo blocks) */
.section-image {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin: 2rem 0;
}
.section-image img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* Two-column image+text */
.image-text {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin: 3rem 0;
}
.image-text__img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4 / 3;
}
.image-text__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@media (max-width: 820px) {
  .image-text { grid-template-columns: 1fr; gap: 2rem; }
}

/* ===== Section heading ===== */
.section-heading {
  text-align: center;
  margin-bottom: 3rem;
}
.section-heading__sub {
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--color-accent-dark);
  text-transform: uppercase;
  margin-bottom: .75rem;
  font-weight: 500;
}
.section-heading h2 {
  margin-bottom: .5rem;
}
.section-heading__lead {
  color: var(--color-text-muted);
  max-width: 580px;
  margin: 0 auto;
}

/* ===== Cards / Grids ===== */
.grid {
  display: grid;
  gap: 1.5rem;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 820px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all .2s;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card h3 { margin-top: 0; color: var(--color-primary); }
.card p:last-child { margin-bottom: 0; }
.card__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

/* ===== Alt section ===== */
.section-alt {
  background: var(--color-bg-alt);
}
.section-dark {
  background: var(--color-primary);
  color: #fff;
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark a { color: #fff; text-decoration: underline; }

/* ===== Flow steps ===== */
.flow-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding: 1.75rem;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary-light);
  box-shadow: var(--shadow-sm);
}
.flow-step__num {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-primary);
  line-height: 1;
}
.flow-step h3 {
  margin-top: 0;
  color: var(--color-primary);
}
.flow-step p:last-child { margin-bottom: 0; }
@media (max-width: 560px) {
  .flow-step { grid-template-columns: 1fr; gap: .5rem; padding: 1.25rem; }
}

/* ===== Testimonials ===== */
.testimonial {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--color-border);
  position: relative;
}
.testimonial::before {
  content: """;
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--color-accent);
  position: absolute;
  top: -.5rem;
  left: 1rem;
  opacity: 0.4;
  line-height: 1;
}
.testimonial__body {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}
.testimonial__author {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}
.testimonial__author strong {
  color: var(--color-text);
  font-weight: 500;
}

/* ===== Pricing ===== */
.price-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  position: relative;
}
.price-card.is-featured {
  border-color: var(--color-primary);
  border-width: 2px;
  box-shadow: var(--shadow-md);
}
.price-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  padding: .25rem .75rem;
  border-radius: 999px;
}
.price-card__amount {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  color: var(--color-primary);
  margin: 1rem 0;
  line-height: 1;
}
.price-card__amount small {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}
.price-card ul {
  text-align: left;
  padding-left: 1.2em;
  font-size: 0.9rem;
}

/* ===== FAQ ===== */
.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: .75rem;
  overflow: hidden;
}
.faq-item summary {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 500;
  position: relative;
  list-style: none;
  padding-right: 3rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform .2s;
}
.faq-item[open] summary::after {
  content: "−";
}
.faq-item__answer {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-muted);
}

/* ===== Tables ===== */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2rem;
  background: var(--color-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
th, td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
th {
  background: var(--color-bg-alt);
  font-weight: 500;
  width: 30%;
}
tr:last-child td, tr:last-child th { border-bottom: none; }

/* ===== Forms ===== */
.form-field {
  margin-bottom: 1.25rem;
}
.form-field label {
  display: block;
  font-weight: 500;
  margin-bottom: .5rem;
  font-size: 0.95rem;
}
.form-field label .required {
  color: var(--color-accent-dark);
  margin-left: .25rem;
  font-size: 0.8rem;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: .85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  background: var(--color-card);
  color: var(--color-text);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(74, 107, 90, 0.1);
}
.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

/* ===== Calendar (booking) ===== */
.calendar {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 2rem 0;
}
.calendar__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.calendar__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
}
.calendar__nav button {
  background: var(--color-bg-alt);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
}
.calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: .5rem;
}
.calendar__day-name {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding: .5rem 0;
  font-weight: 500;
}
.calendar__day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  border: 1px solid transparent;
}
.calendar__day.is-empty { color: transparent; }
.calendar__day.is-past { color: var(--color-border); }
.calendar__day.is-available {
  background: rgba(123, 158, 137, 0.12);
  color: var(--color-primary);
  cursor: pointer;
  border-color: var(--color-primary-light);
}
.calendar__day.is-available:hover {
  background: var(--color-primary);
  color: #fff;
}
.calendar__day.is-full {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  text-decoration: line-through;
}
.calendar__legend {
  display: flex;
  gap: 1.5rem;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.calendar__legend span::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  margin-right: .5rem;
  vertical-align: -2px;
}
.calendar__legend .legend-available::before { background: rgba(123, 158, 137, 0.3); border: 1px solid var(--color-primary-light); }
.calendar__legend .legend-full::before { background: var(--color-bg-alt); }

/* ===== LINE CTA ===== */
.line-cta {
  background: #fff;
  border: 2px solid #06C755;
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  margin: 2rem 0;
  box-shadow: var(--shadow-md);
}
.line-cta__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin: 0 0 1rem;
  color: var(--color-text);
}
.line-cta__btn {
  display: inline-block;
  margin: .5rem 0;
  transition: transform .15s;
}
.line-cta__btn:hover { transform: translateY(-2px); }
.line-cta__btn img {
  display: block;
  height: 56px;
  width: auto;
}
.line-cta__note {
  font-size: .85rem;
  color: var(--color-text-muted);
  margin: .75rem 0 0;
}
.line-cta--on-dark {
  background: rgba(255,255,255,0.95);
}

/* In CTA banner, override to white card */
.cta-banner .line-cta {
  background: #fff;
  margin: 1rem auto;
  max-width: 480px;
}
.cta-banner .line-cta__title { color: var(--color-text); }

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  text-align: center;
  padding: 4rem 1.25rem;
  border-radius: var(--radius-lg);
  margin: 4rem auto;
  max-width: var(--max-width);
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255,255,255,.9); }
.cta-banner .btn {
  background: #fff;
  color: var(--color-primary);
}
.cta-banner .btn:hover { background: var(--color-bg); }

/* ===== Footer ===== */
.site-footer {
  background: #2A2622;
  color: #C9C2B8;
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
  font-size: 0.9rem;
}
.site-footer a { color: #E0D8CB; }
.site-footer a:hover { color: #fff; }
.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.site-footer h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}
.site-footer ul { list-style: none; padding: 0; }
.site-footer li { margin-bottom: .5rem; }
.site-footer__bottom {
  border-top: 1px solid #3F3A35;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: #8A8278;
}
@media (max-width: 820px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .site-footer__grid { grid-template-columns: 1fr; }
}

/* ===== Utilities ===== */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

.notice {
  background: #FDF7E8;
  border-left: 4px solid var(--color-warning);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin: 1.5rem 0;
  font-size: 0.95rem;
}
.notice strong { color: var(--color-warning); }

.tag {
  display: inline-block;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  padding: .25rem .75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  margin-right: .5rem;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 1rem 0;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-primary); }

/* ===== Floating LINE button (site-wide, injected by main.js) ===== */
.floating-line {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 900;
  display: inline-flex;
  align-items: center;
  gap: .5em;
  background: #06C755;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: .95rem;
  line-height: 1.2;
  padding: .7rem 1.15rem;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(0,0,0,.22);
  transition: transform .15s ease, box-shadow .15s ease;
}
.floating-line:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.28); color: #fff; }
.floating-line__emoji { font-size: 1.25em; }
.floating-line small { display: block; font-weight: 500; font-size: .68em; opacity: .95; margin-top: 2px; }
@media (max-width: 600px) {
  .floating-line { right: 12px; bottom: 12px; padding: .6rem .95rem; font-size: .88rem; }
}