:root {
  --main-color-green: #409055;
  --main-color-mango: #f49f16;
  --main-color-gray: #525151;

  --background-gray: #f2f2f2;
  --background-green: #409055;

  --line-color: #7d9e86;

  --font-family-en: 'DM Sans', sans-serif;
  --font-family-ja: 'Noto Sans JP';

  --font-size-default: 14px;
  --font-size-headline-h2-en: 5vw;
}

html {
  scroll-behavior: smooth;
  image-rendering: -webkit-optimize-contrast;
}

body {
  font-family: var(--font-family-ja);
  letter-spacing: 0.2rem;
}

body,
a {
  color: var(--main-color-gray);
  font-weight: 300;
}

body,
ul,
li,
h1,
h2,
h3,
h4,
h5,
h6,
span,
p,
table,
tr,
th,
td,
hr {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
}

span.material-symbols-outlined {
  font-size: 0.9em;
  margin-left: 4px;
}

a:visited {
  color: inherit;
}

th,
td {
  font-weight: 100;
  border: 0;
}

.head {
  color: var(--main-color-green);
}

.head .title-en {
  font-size: var(--font-size-headline-h2-en);
  font-family: var(--font-family-en);
  letter-spacing: 0.08rem;
  font-weight: 400;
  color: var(--main-color-green);
}

.text--white {
  color: #fff !important;
}

.head .title-ja {
  display: flex;
  align-items: center;
  column-gap: 24px;
  color: var(--main-color-green);
}

.head .title-line {
  width: 90px;
  border-bottom: 1px solid var(--main-color-green);
  display: block;
}

.dn-pc {
  display: none;
}

.no-deco li {
  list-style-type: none;
  margin: 0;
  padding-bottom: 12px;
}

@media screen and (max-width: 767px) {
  .head .title-en {
    /* font-size: 40px; */
    --font-size-headline-h2-en: 11vw;
  }

  .dn-sp {
    display: none;
  }

  .dn-pc {
    display: block;
  }
}

/* Header */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 999;
  box-sizing: border-box;
  background-color: #fff;
}

.header.open {
  height: 100svh;
}

.header-inner {
  display: flex;
  padding: 20px 60px;
  justify-content: space-between;
  align-items: flex-start;
}

.header .nav li {
  list-style-type: none;
  text-align: center;
  padding-bottom: 8px;
}

.header .nav a {
  position: relative;
}

.header .logo {
  width: 184px;
  height: 40px;
  background-image: url(../images/Logo_hz.svg);
  background-position: left 50%;
  background-size: contain;
  background-repeat: no-repeat;
}

.header .nav {
  display: none;
  width: 100%;
  font-size: 2.6vw;
  margin-bottom: 16px;
  color: #fff;
  padding: 0 60px;
  opacity: 0;
  transition: all 0.5s;
  z-index: 10;
  height: calc(100% - 80px);
  position: relative;
}

.open .nav ul {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
}

.open .nav {
  display: block;
  opacity: 1;
}

.open .nav a {
  color: #fff;
}

.open .nav li {
  padding: 8px 60px;
}

@media screen and (min-width: 768px) {
  .header-inner {
    height: auto;
  }
}

.open .mask {
  display: block;
  background-color: var(--background-green);
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  position: fixed;
}

.header .sp-nav {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
}

.toggle-btn {
  position: relative;
  display: block;
  width: 40px;
  height: 40px;
}

.toggle-btn span {
  position: absolute;
  display: block;
  right: 0;
  height: 2px;
  background-color: #84a38d;
  transition: all 0.5s;
  mix-blend-mode: multiply;
}

.open .toggle-btn span {
  background-color: #fff;
}

.toggle-btn span:nth-child(1) {
  top: 16px;
  width: 40px;
}
.toggle-btn span:nth-child(2) {
  top: 24px;
  width: 32px;
}

.open .toggle-btn span:nth-child(1) {
  transform: translateY(4px) rotate(-135deg);
}

.open .toggle-btn span:nth-child(2) {
  width: 40px;
  transform: translateY(-4px) rotate(135deg);
}

@media screen and (max-width: 767px) {
  .header {
    width: 100%;
  }

  .header.open {
    background-color: var(--background-green);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    height: 100svh;
  }

  .header-inner {
    padding: 20px 24px;
    flex-direction: column;
  }

  .header .logo {
    width: 154px;
    padding-top: 6px;
  }

  .header.open .logo {
    background-image: url(../images/Logo_hz_w.svg);
  }

  .header .nav {
    padding: 20px 24px;
    height: calc(100% - 80px);
    margin-bottom: 0;
  }

  .open .nav ul {
    position: relative;
    top: 50%;
    left: 0;
    transform: unset;
    font-size: 20px;
    transform: translateY(-50%);
  }

  .open .nav li {
    padding: 12px 0;
  }
}

/* Footer */
.footer {
  background-color: var(--main-color-gray);
  color: #fff;
}

.footer-inner {
  width: 100%;
  padding: 40px 50px 26px;
  box-sizing: border-box;
}

.footer-inner a {
  font-size: var(--font-size-default);
  color: #fff;
}

.footer-inner .copyright {
  font-family: var(--font-family-en);
  font-size: 13px;
  font-weight: 100;
  color: #a8a8a8;
}

@media screen and (max-width: 767px) {
  .footer-inner {
    padding: 40px 24px 24px;
  }
}