body {
  margin: 0;
}

p {
  margin: 0;
  padding: 0;
  font-size: 1rem;
}

h1 {
  margin: 0.5rem auto;
  font-size: 1.8rem;
  text-align: center;
  color: #b69e91;
  letter-spacing: 0.2rem;
}

h3 {
  margin: 0;
  font-size: 0.9rem;
}

section {
  margin: 40px auto;
  padding: 40px 0;
}

/* 全体ヘッダー */
.site-header {
  background: #00943f;
  color: #fff;
  width: 100%;
  height: 120px;
  position: relative;
  z-index: 1000;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: column;
  gap: 15px;
}

.header-top {
  width: 100%;
  max-width: 800px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-tel a {
  color: #fff;
  text-decoration: none;
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.1rem;
}

.header-logo img {
  height: 46px;
}

/*────────────────────────
  PC ナビ（横並び）
────────────────────────*/
.header-nav {
  display: block;
}

.header-nav ul {
  display: flex;
  /* gap: 40px; */
  list-style: none;
  margin: 0;
  padding: 0;
}

/* li の間に縦線を入れる */
.header-nav ul li {
  position: relative;
  padding: 0 30px; /* 縦線との距離調整 */
}

.header-nav ul li:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 16px; /* 縦線の長さ */
  background: rgba(255, 255, 255, 0.6); /* 白の半透明 */
}

.header-nav a {
  color: #fff;
  text-decoration: none;
  font-size: 15px;
}

.header-nav a:hover {
  color: #ffffffc4;
}

/*────────────────────────
  ハンバーガー（スマホのみ）
────────────────────────*/
.hamburger {
  display: none;
  width: 28px;
  height: 22px;
  flex-direction: column;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 1100; /* メニューより上 */
}

.hamburger span {
  display: block;
  height: 3px;
  background: #fff;
  border-radius: 3px;
  transition: 0.4s;
}

/* X 形状 */
.hamburger.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/*────────────────────────
  フルスクリーンメニュー（SP）
────────────────────────*/
.fullscreen-nav {
  position: fixed;
  inset: 0;
  background: rgba(0, 50, 20, 0.98);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: 0.4s ease;
  z-index: 1000;
}

.fullscreen-nav.open {
  opacity: 1;
  visibility: visible;
}

.fullscreen-nav ul {
  list-style: none;
  padding: 0;
  text-align: center;
}

.fullscreen-nav li {
  margin-bottom: 20px;
}

.fullscreen-nav a {
  color: #fff;
  font-size: 22px;
  text-decoration: none;
}

.mv {
  width: 100%;
  height: calc(100vh - 120px);
  position: relative;
}

.mv img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}

.mv_img_area  {
  height: 100%;
}

.mv_txt_area {
  position: absolute;
  top: 50%;
  right: 15%;
  transform: translateY(-50%);
}
.mv_txt_area p span {
  font-size: 3.5rem;
  position: relative;
  top: -52px;
}
.mv_txt_area p {
  font-size: 3rem;
  writing-mode: vertical-rl;
  text-shadow: 2px 2px 5px #00000070;
  font-family: "Zen Old Mincho", serif;
}

.inner_area {
  max-width: 90%;
  width: 1000px;
  margin: auto;
}

#concept p {
  display: flex;
  justify-content: center;
  line-height: 2rem;
  font-size: 1.1rem;
}

p.en_title {
  text-align: center;
  font-size: 0.8rem;
}

#type, #commit {
  background: #eeeeee;
}

.flex_area4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 50px auto;
}


.flex_area4 .cnt {
  background: #fff;
  padding: 10px;
  border-radius: 10px;
}

.flex_area4 .cnt .img_area img {
  width: 100%;
}

.flex_area4 .cnt .txt_area h2 {
  font-size: 1.1rem;
  text-align: center;
}

.flex_area4 .cnt .txt_area h2 span {
  color: #009933;
}

.flex_area {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 50px auto;
}

.flex_area .cnt {
  background: #fff;
  padding: 10px;
  border-radius: 10px;
}

.flex_area .cnt .img_area img {
  position: relative;
  top: -20px;
  width: 100%;
  border-radius: 10px;
}

.flex_area .cnt .txt_area .top_cnt {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
}

.flex_area .cnt .txt_area .top_cnt span {
  font-size: 1.3rem;
  padding: 5px;
  background: #009933;
  color: #fff;
  border-radius: 5px;
}

.flex_area .cnt .txt_area p {
  font-size: 0.9rem;
  line-height: 1.6rem;
}

@media (max-width: 768px) {

  .header-nav {
    display: none !important;
  }

  .hamburger {
    display: flex;
  }

  .header-tel {
    display: none;
  }

  .header-inner {
    flex-direction: row;
    gap: 0;
  }
}