@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Hiragino Sans', 'Yu Gothic', 'ヒラギノ角ゴ ProN', 'Yu Gothic UI', sans-serif;
  color: #26342d;
  background: #fff;
  line-height: 1.8;
  font-size: 18px;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

:root {
  --ink:    #26342d;
  --muted:  #68766e;
  --paper:  #fffdf1;
  --line:   rgba(38,52,45,.14);
  --green:  #38a86d;
  --orange: #ff7a59;
  --gold:   #f1b83d;
  --max-w:  1280px;
}

.yt-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 48px 0 32px;
}

.yt-fade {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s ease, transform .7s ease;
}
.yt-fade.yt-visible { opacity: 1; transform: translateY(0); }

.yt-section-label {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px;
  letter-spacing: .18em;
  color: var(--green);
  margin-bottom: 12px;
}
.yt-section-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(22px, 3.2vw, 36px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 40px;
}

.yt-section { padding: 96px 0; }

.yt-hero { display: flex; flex-direction: column; }

.yt-hero-photo { width: 100%; overflow: hidden; line-height: 0; }
.yt-hero-photo img {
  width: 100%;
  height: clamp(220px, 42vw, 520px);
  object-fit: cover;
  object-position: center 55%;
  display: block;
}

.yt-page-footer {
  background: #1a3a1a;
  padding: 56px 0 40px;
  text-align: center;
}
.yt-page-footer-logo {
  display: inline-block;
  font-family: 'Shippori Mincho', serif;
  font-size: 18px;
  font-weight: 700;
  color: rgba(255,255,255,.7);
  text-decoration: none;
  letter-spacing: .08em;
  margin-bottom: 32px;
}
.yt-page-footer-logo:hover { color: #fff; }
.yt-page-footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  font-family: 'Shippori Mincho', serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 16px 48px;
  border-radius: 4px;
  text-decoration: none;
  transition: background .2s, border-color .2s;
  margin-bottom: 40px;
}
.yt-page-footer-btn:hover {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.5);
}
.yt-page-footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,.35);
  letter-spacing: .06em;
}

.yt-breadcrumb {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.yt-breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Shippori Mincho', serif;
  font-size: 14px;
  font-weight: 600;
}
.yt-breadcrumb-link { color: var(--green); text-decoration: none; }
.yt-breadcrumb-link:hover { text-decoration: underline; }
.yt-breadcrumb-sep { color: #bbb; font-weight: 400; }
.yt-breadcrumb-current { color: var(--muted); }

.yt-hero-inner {
  background: #fff;
  padding: 64px 48px 72px 32px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
  align-items: start;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.yt-hero-tag {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px;
  letter-spacing: .28em;
  color: var(--green);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.yt-hero-tag::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--green);
  flex-shrink: 0;
}
.yt-hero-catch {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(24px, 3.6vw, 44px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.65;
  margin-bottom: 40px;
  letter-spacing: .02em;
}
.yt-hero-catch em { font-style: normal; color: var(--green); }
.yt-hero-divider { width: 48px; height: 3px; background: var(--green); margin-bottom: 32px; }
.yt-hero-lead {
  font-family: 'Shippori Mincho', serif;
  font-weight: 600;
  font-size: clamp(18px, 1.8vw, 20px);
  color: #4a5a52;
  line-height: 2.1;
}
.yt-hero-photos { padding-top: 8px; position: sticky; top: 24px; }
.yt-hero-photos img {
  width: 100%;
  height: 340px;
  border-radius: 10px;
  object-fit: cover;
  object-position: center center;
  display: block;
  box-shadow: 0 4px 20px rgba(38,52,45,.12);
}

@media (max-width: 900px) {
  .yt-hero-inner { grid-template-columns: 1fr; padding: 48px 32px 56px; }
  .yt-hero-photos img { height: 240px; }
}
@media (max-width: 600px) {
  .yt-hero-inner { padding: 40px 20px 48px; }
  .yt-hero-photos img { height: 200px; }
}

.yt-s2 { background: var(--paper); }
.yt-cards5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}
.yt-card5 {
  background: #fff;
  border-radius: 14px;
  padding: 28px 18px 24px;
  text-align: center;
  box-shadow: 0 2px 16px rgba(38,52,45,.07);
  transition: transform .25s, box-shadow .25s;
}
.yt-card5:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(38,52,45,.12); }
.yt-card5-icon { margin-bottom: 16px; }
.yt-card5-icon img { width: 64px; height: 64px; object-fit: contain; margin: 0 auto; display: block; }
.yt-card5-title { font-family: 'Shippori Mincho', serif; font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--ink); }
.yt-card5-body { font-size: 18px; color: var(--muted); line-height: 1.7; }
.yt-message-box { padding: 40px 0 0; border-top: 1px solid var(--line); }
.yt-message-box p {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(18px, 1.6vw, 20px);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.9;
  margin-bottom: 16px;
}
.yt-message-box p:last-child { margin-bottom: 0; }

@media (max-width: 900px) { .yt-cards5 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) {
  .yt-cards5 { gap: 12px; }
  .yt-cards5 .yt-card5:last-child { grid-column: span 2; max-width: 220px; margin: 0 auto; }
}

.yt-s4 { background: #fff; }
.yt-about-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 72px;
  align-items: start;
}
.yt-about-body {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(18px, 1.6vw, 20px);
  font-weight: 600;
  color: var(--ink);
  line-height: 2.0;
}
.yt-about-body p { margin-bottom: 20px; }
.yt-about-body p:last-child { margin-bottom: 0; }
.yt-about-right { display: flex; flex-direction: column; gap: 36px; }
.yt-about-photo img {
  width: 100%;
  border-radius: 12px;
  display: block;
  object-fit: cover;
  box-shadow: 0 4px 24px rgba(38,52,45,.12);
}
.yt-about-history-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 28px;
  letter-spacing: .06em;
}
.yt-history-list { display: flex; flex-direction: column; }
.yt-history-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.yt-history-item:first-child { border-top: 1px solid var(--line); }
.yt-history-year { font-family: 'Shippori Mincho', serif; font-size: 18px; font-weight: 700; color: var(--green); white-space: nowrap; }
.yt-history-text { font-family: 'Shippori Mincho', serif; font-size: 18px; font-weight: 600; color: var(--ink); line-height: 1.7; }

@media (max-width: 900px) { .yt-about-grid { grid-template-columns: 1fr; gap: 40px; } }

.yt-siki { background: var(--paper); }
.yt-iki-narrative { display: block; }
.yt-iki-story { display: flex; flex-direction: column; gap: 40px; }
.yt-iki-story-year {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px; font-weight: 700;
  color: var(--green); letter-spacing: .1em; margin-bottom: 6px;
}
.yt-iki-story-heading {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(18px, 1.8vw, 22px); font-weight: 700;
  color: var(--ink); margin-bottom: 14px; line-height: 1.5;
}
.yt-iki-story-body {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px; font-weight: 600;
  color: #4a5a52; line-height: 2.0;
}
.yt-iki-nagano {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 72px;
  align-items: start;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.yt-iki-nagano-spacer { height: 48px; }
.yt-iki-photo { position: sticky; top: 24px; }
.yt-iki-photo img {
  width: 100%; border-radius: 12px; display: block; object-fit: cover;
  box-shadow: 0 4px 24px rgba(38,52,45,.12);
}
.yt-iki-what { background: #fff; border-radius: 20px; padding: 56px 56px 64px; margin-top: 72px; }
.yt-iki-what-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(20px, 2vw, 26px); font-weight: 700;
  color: var(--ink); margin-bottom: 40px;
  padding-bottom: 20px; border-bottom: 2px solid var(--green);
  display: inline-block;
}
.yt-iki-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}
.yt-iki-feature { border-top: 3px solid var(--green); padding-top: 20px; }
.yt-iki-feature-num {
  font-family: 'Shippori Mincho', serif;
  font-size: 28px; font-weight: 700;
  color: rgba(56,168,109,.25); line-height: 1; margin-bottom: 8px;
}
.yt-iki-feature-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px; font-weight: 700;
  color: var(--ink); margin-bottom: 10px; line-height: 1.5;
}
.yt-iki-feature-body {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px; font-weight: 600;
  color: #4a5a52; line-height: 1.85;
}
.yt-iki-creatures { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; margin-bottom: 16px; }
.yt-iki-creature {
  display: inline-flex; align-items: center; gap: 8px;
  background: #f0faf5; border: 1px solid rgba(56,168,109,.3); border-radius: 100px;
  padding: 8px 18px;
  font-family: 'Shippori Mincho', serif; font-size: 18px; font-weight: 600; color: var(--ink);
}
.yt-iki-creature-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); flex-shrink: 0; }
.yt-iki-future { margin-top: 48px; padding: 40px 0 0; border-top: 1px solid var(--line); }
.yt-iki-future-title {
  font-family: 'Shippori Mincho', serif;
  font-size: 20px; font-weight: 700;
  color: var(--ink); margin-bottom: 16px;
}
.yt-iki-future-body {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px; font-weight: 600;
  color: #4a5a52; line-height: 2.0;
}

@media (max-width: 900px) {
  .yt-iki-nagano { grid-template-columns: 1fr; }
  .yt-iki-photo { position: static; }
  .yt-iki-features { grid-template-columns: 1fr; }
  .yt-iki-what { padding: 36px 24px 40px; }
}

.yt-s5 { background: #fff; }
.yt-biz-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}
.yt-biz-item:last-child { margin-bottom: 0; }
.yt-biz-item.yt-reverse { direction: rtl; }
.yt-biz-item.yt-reverse > * { direction: ltr; }
.yt-biz-img { border-radius: 14px; overflow: hidden; aspect-ratio: 16/9; }
.yt-biz-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.yt-biz-num { font-family: 'Shippori Mincho', serif; font-size: 18px; letter-spacing: .18em; color: var(--green); margin-bottom: 8px; }
.yt-biz-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.5;
}
.yt-biz-body { font-family: 'Shippori Mincho', serif; font-size: 18px; font-weight: 600; color: #444; line-height: 1.9; }

@media (max-width: 900px) {
  .yt-biz-item { grid-template-columns: 1fr; gap: 32px; }
  .yt-biz-item.yt-reverse { direction: ltr; }
}

.yt-s6 { background: var(--paper); }
.yt-s6-lead {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px;
  color: var(--muted);
  margin-top: -20px;
  margin-bottom: 48px;
}
.yt-s6-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 56px;
  align-items: start;
}
.yt-s6-map {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(38,52,45,.09);
  background: var(--paper);
}
.yt-s6-map > img { width: 100%; height: auto; display: block; }
.yt-map-pin {
  position: absolute;
  transform: translate(-50%, -50%);
  cursor: pointer;
  z-index: 2;
}
.yt-map-pin::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: currentColor;
  opacity: .25;
  animation: yt-pin-pulse 2.2s ease-in-out infinite;
}
@keyframes yt-pin-pulse {
  0%, 100% { transform: scale(1);   opacity: .25; }
  50%       { transform: scale(1.7); opacity: .08; }
}
.yt-map-pin-dot {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: currentColor;
  position: relative; z-index: 1;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
  display: flex; align-items: center; justify-content: center;
}
.yt-map-pin-dot::after {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #fff;
}
.yt-map-pin.yt-pin-active .yt-map-pin-dot {
  box-shadow: 0 0 0 3px #fff, 0 2px 12px rgba(0,0,0,.3);
}
.yt-s6-cards { display: flex; flex-direction: column; gap: 0; }
.yt-s6-card {
  background: transparent;
  padding: 24px 16px 24px 20px;
  border-left: 3px solid #ddd;
  cursor: pointer;
  transition: background .18s, border-left-width .18s, padding-left .18s;
  user-select: none;
}
.yt-s6-card:hover        { background: rgba(255,255,255,.7);  border-left-width: 5px; padding-left: 18px; }
.yt-s6-card:active       { background: rgba(255,255,255,.95); }
.yt-s6-card.yt-card-active { background: rgba(255,255,255,.85); border-left-width: 5px; padding-left: 18px; }
.yt-s6-card-top { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.yt-s6-dot { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; }
.yt-s6-place { font-size: 18px; color: var(--muted); }
.yt-s6-name { font-family: 'Shippori Mincho', serif; font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 10px; line-height: 1.5; }
.yt-s6-desc { font-size: 18px; color: var(--muted); line-height: 1.75; margin-bottom: 14px; }
.yt-s6-link { font-family: 'Shippori Mincho', serif; font-size: 18px; font-weight: 600; color: var(--green); display: inline-flex; align-items: center; gap: 6px; }
.yt-s6-link:hover { text-decoration: underline; }
.yt-s6-coming { font-size: 18px; color: #bbb; }

@media (max-width: 900px) { .yt-s6-layout { grid-template-columns: 1fr; } }

.yt-s8 {
  background: linear-gradient(135deg, #1a3a1a 0%, #2d6040 100%);
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.yt-s8::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 80%, rgba(56,168,109,.3) 0%, transparent 55%),
              radial-gradient(ellipse at 80% 20%, rgba(241,184,61,.15) 0%, transparent 50%);
  pointer-events: none;
}
.yt-s8-inner { position: relative; z-index: 1; }
.yt-s8-title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 28px;
}
.yt-s8-msg {
  font-family: 'Shippori Mincho', serif;
  font-size: 18px;
  color: rgba(255,255,255,.8);
  max-width: 600px;
  margin: 0 auto;
  line-height: 2.1;
  font-weight: 600;
}

@media (max-width: 600px) {
  .yt-container { padding: 0 20px; }
  .yt-section   { padding: 64px 0; }
  .yt-s8        { padding: 72px 0; }

  /* スマホ：本文フォントを少し下げて行末の中途半端な折り返しを防ぐ */
  .yt-about-body { font-size: 16px; }

  /* スマホ：段落内の<br>を非表示にして自然な折り返しに */
  .yt-hero-lead br,
  .yt-message-box p br,
  .yt-s6-lead br,
  .yt-iki-story-body br,
  .yt-iki-future-body br,
  .yt-biz-body br,
  .yt-s8-msg br { display: none; }

  /* スマホ：PC専用の見出し改行を非表示（hero-catchは残す） */
  .yt-section-title br,
  .yt-biz-title br { display: none; }
}