@import url(https://fonts.googleapis.com/css?family=Open+Sans:600);

body {
  font-family: 'Open Sans', sans-serif;
}

a {
  text-decoration: none;
  color: black;
}

.header {
  position: fixed;
  z-index: 999;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 40px;
  background: linear-gradient(rgba(255, 255, 255, 1), rgba(255, 255, 255, 0.9));
}

.space {
  height: 50vh;
}

.half-space {
  height: 25vh;
}

.quattro-space {
  height: 12vh;
}

#our-business {
  scroll-margin-top: 180px;
}

#company-profile {
  scroll-margin-top: 180px;
}

#contact-us {
  scroll-margin-top: 180px;
}

/* word */
.word {
  position: absolute;
  opacity: 0;
}

.letter {
  display: inline-block;
  position: relative;
  transform: translateZ(25px);
  transform-origin: 50% 50% 25px;
}

.letter.out {
  transform: rotateX(90deg);
  transition: transform 0.32s cubic-bezier(0.55, 0.055, 0.675, 0.19);
}

.letter.behind {
  transform: rotateX(-90deg);
}

.letter.in {
  transform: rotateX(0deg);
  transition: transform 0.38s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.wisteria {
  color: #8e44ad;
}

.belize {
  color: #2980b9;
}

.pomegranate {
  color: #c0392b;
}

.green {
  color: #16a085;
}

.midnight {
  color: #2c3e50;
}

/* マーカー */
.blue {
  display: inline;
  position: relative;
  font-weight: 900;
  border-radius: 100;
  background-image: linear-gradient(90deg, rgba(89, 0, 255, 0.618)
      /*#f2bb03*/
      , rgba(6, 255, 255, 0.9)
      /*#f15d00*/
    );
  background-repeat: no-repeat;
  background-position: bottom left;
  background-size: 0 50%;
  transition-property: all;
  transition-duration: 1s;
  transition-delay: 0s;
  transition-timing-function: ease-in-out;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
  border-bottom-left-radius: 5px;
}

.blue.marker {
  background-size: 100% 20%;
}

/* マーカー */
.highlight {
  display: inline;
  position: relative;
  border-radius: 100;
  background-image: linear-gradient(90deg, rgba(255, 0, 0, 0.618)
      /*#f2bb03*/
      , rgba(255, 0, 0, 0.9)
      /*#f15d00*/
    );
  background-repeat: no-repeat;
  background-position: bottom left;
  background-size: 0 50%;
  transition-property: all;
  transition-duration: 1s;
  transition-delay: 0s;
  transition-timing-function: ease-in-out;

  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
  border-bottom-left-radius: 5px;
}

.highlight.marker {
  background-size: 100% 20%;
}

/* nav */
.nav_toggle {
  width: 1.75rem;
  height: 1.5rem;
}

.nav_toggle i {
  width: 100%;
  height: 2px;
  background-color: #333;
  position: absolute;
  transition: transform .5s, opacity .5s;
}

.nav_toggle i:nth-child(1) {
  top: 0;
}

.nav_toggle i:nth-child(2) {
  top: 0;
  bottom: 0;
  margin: auto;
}

.nav_toggle i:nth-child(3) {
  bottom: 0;
}

.nav_toggle.show i:nth-child(1) {
  transform: translateY(10px) rotate(-45deg);
}

.nav_toggle.show i:nth-child(2) {
  opacity: 0;
}

.nav_toggle.show i:nth-child(3) {
  transform: translateY(-12px) rotate(45deg);
}

.nav {
  display: none;
  transition: opacity .5s, visibility .5s;
}

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

.box {
  align-items: center;
}