html {
  scroll-behavior: smooth;
}
a {
    text-decoration:none;
    color: inherit;
}
a:link, a:visited, a:hover, a:active {
  color: inherit;
}
th {
  font-weight: normal;
}
/* common */
.common_botton {
  background-color: var(--main-green-color);
  color: white;
  font-size: 1.1rem;
  padding: 1rem 1.3rem;
  font-weight: bold;
  border-radius: 0.5rem;
  display: inline-block;
}
.common_section {
  padding: 8rem 0;
}
.common_section_title_main {
  font-size: 1.8rem;
  font-weight: bold;
  line-height: 2rem;
  padding-top: 0.5rem;
}
.common_section_title_sub {
  font-size: 1rem;
}
.common_inner_content {
  padding-right: 1.5rem;
  padding-left: 1.5rem;
}
.common_fadeIn {
  -webkit-transform: translateY(2rem);
 transform: translateY(2rem);
 -webkit-transition-delay: .3s;
 -o-transition-delay: .3s;
 transition-delay: .3s;
 -webkit-transition: .4s;
 -o-transition: .4s;
 /* transition: .4s; */
 transition: all 0.6s cubic-bezier(0.4, 0.4, 0, 1);
 opacity: 0;
}
.common_fadeIn_inview {
  opacity: 1;
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
@media (min-width: 1000px) {
  .common_botton {
    font-size: 0.9rem;
    padding: 0.7rem 1.5rem;
    border-radius: 0.2rem;
  }
  .common_section_title_main {
    font-size: 2.6rem;
    line-height: 2.6rem;
  }
  .common_inner_content {
    margin: 0 auto;
    padding-right: 0;
    padding-left: 0;
    max-width: var(--content-max-width);
  }
}

/* navigation */
.nav {
  padding-top: 6rem;
  transform: translateY(-100%);
  display: flex;
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  background-color: white;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  transition: all 0.6s;
  visibility: hidden;
}
.nav_expand .nav {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}
.nav_items {
  width: 100%;
  padding: 0 3rem;
}
.nav_item {
  font-size: 1rem;
  padding: 0.8rem 0;
  list-style-type: none;
  text-align: left;
}
.nav_item_signUp {
  font-weight: bold;
  color: var(--main-green-color);
}
.nav_item:not(:last-child) {
  border-bottom: solid 0.5px gray;
}

/* header */
.header {
  position: sticky;
  z-index: 200;
  top: 0;
  left: 0;
  width: 100%;
  background-color: white;
  background: rgba(255, 255, 255, 0.6);
}
.header_content {
  padding: 0.9rem 2rem;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  color: var(--main-gray-color);
}
.header_menu {
  display: flex;
  align-items:center;
  cursor: pointer;
}
.nav_expand .header_menu_humburger {
  display: none;
}
.header_menu_close {
  display: none;
}
.nav_expand .header_menu_close {
  display: block;
}
.header_logo {
  font-size: 1.8rem;
  letter-spacing: 0;
  font-weight: bold;
  color: var(--main-green-color);
}
.header_pointers {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 2.5rem;
}
.header_pointers_pointer {
  font-size: 0.9rem;
}
.header_links {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 2.5rem;
}
.header_links_link {
  font-size: 0.9rem;
}
@media (min-width: 1000px) {
  .header_content {
    padding: 0.8rem 3rem;
  }
}
/* catch */
.catch {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  text-align: left;
  padding-top: 3.5rem;
}
.catch_desc_welcomeHeader {
  color: var(--main-green-color);
  font-weight: bold;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.catch_desc_welcomeHeader_line {
  content: "";
  border-bottom: solid thick var(--main-green-color);
  width: 2.5rem;
  border-radius: 1rem;
}
.catch_desc_title {
  font-size: 2.5rem;
  font-weight: bold;
  line-height: 3rem;
  padding: 1.5rem 0;
}
.catch_desc_desc {
  color: var(--main-gray-color);
  font-size: 0.9rem;
}
.catch_desc_figures {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 4rem;
  max-width: 30rem;
}
.catch_desc_figures_one_main {
  border-left: solid thick var(--main-green-color);
  padding: 0 1.5rem;
  margin-bottom: 1rem;
}
.catch_desc_figures_one_main_num {
  font-size: 4rem;
  font-weight: bold;
  line-height: 4rem;
}
.catch_desc_figures_one_main_unit {
}
.catch_desc_figures_one_desc {
  color: var(--main-gray-color);
  font-size: 0.85rem;
}
.catch_image {
  text-align: right;
}
.catch_image img {
  max-width: 100%;
  max-height: 26rem;
}
@media (min-width: 1000px) {
  .catch {
    flex-direction: row;
  }
  .catch_desc_title {
    font-size: 3rem;
  }
  .catch_image {
    width: 50%;
  }
}

/* reason */
.reason_reasons {
  padding-top: 3rem;
  display: flex;
  flex-direction: row;
  flex-flow: wrap;
  justify-content: center;
  gap: 1rem;
}
.reason_reasons_reason {
  background-color: var(--main-white-gray-color);
  min-height: 12rem;
  border-radius: 1rem;
  padding: 1.5em;
  width: 100%;
  max-width: 30rem;
}
.reason_reasons_reason_title {
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 1.5rem;
  padding: 1.5rem 0;
}
.reason_reasons_reason_title::after {
    content: "";
    display: block;
    margin: 0 auto;
    width: 40%;
    padding-top: 1.3rem;
    border-bottom: medium solid var(--main-light-gray-color);
}
.reason_reasons_reason_detail {
  font-size: 0.9rem;
}
@media (min-width: 1000px) {
  .reason_reasons {
    padding: 6rem 2rem 0 2rem;
  }
  .reason_reasons_reason {
    /* max-width: 40% */
  }
  .reason_reasons_reason_title::after {
    width: 20%;
  }
}

/* usage */
.usage_description {
  font-size: 0.9rem;
  padding: 4rem 1rem;
}
.usage_image img {
  width: 55rem;
  max-width: 95%;
}
@media (min-width: 1000px) {
  .usage_description {
    font-size: 1rem;
  }
}

/* usersVoice */
.usersVoice {
  background-image: url("../img/users_voice_bachground.jfif");
  background-size: cover;
  background-position: center;
}
.usersVoice_title {
  background: rgba(255, 255, 255, 0.7);
  padding: 0.5rem 0;
}
.usersVoice_voices {
  padding-top: 5rem;
  display: flex;
  flex-direction: column;
  gap: 3rem 0;
}
.usersVoice_voices_one {
  text-align: left;
  background-color: white;
  width: 70%;
  max-width: 40rem;
  padding: 1.7rem 1rem;
  font-size: 0.9rem;
}
.usersVoice_voices_one:nth-child(even) {
  margin-left: auto;
}
@media (min-width: 1000px) {
  .usersVoice_voices {
    padding: 5rem 5rem 0;
  }
  .usersVoice_voices_one {
    padding: 3rem 2rem;
    font-size: 1.1rem;
  }
}

/* price */
.price {
  background-image: url("../img/price_background.jfif");
  background-size: cover;
  background-position: center;
  background-color: rgba(255,255,255,0.9);
  background-blend-mode: lighten;
}
.price_content_price {
  padding: 5rem  0;
}
.price_content_price {
  font-size: 2rem;
  font-weight: bold;
}
.price_content_price_alpha {
  text-decoration: line-through;
}
@media (min-width: 1000px) {
  .price_content_price_beta {
    font-size: 2.6rem;
  }
  .price_content_description {
    font-size: 1.4rem;
  }
}

/* faq */
.faq_questions {
  display: flex;
  flex-direction: row;
  flex-flow: wrap;
  justify-content: center;
  gap: 1rem;
  padding: 5rem 1.5rem 0 1.5rem;
}
.faq_questions_one {
  background-color: var(--main-white-gray-color);
  height: 20rem;
  border-radius: 0.2rem;
  padding: 3em;
  width: 100%;
  max-width: 25rem;
  text-align: left;
}
.faq_questions_one_question {
  font-size: 1.5rem;
  font-weight: bold;
}
.faq_questions_one_answer {
  font-size: 1.1rem;
}
@media (min-width: 1000px) {
  .faq_questions {
    gap: 3rem 1rem;
  }
  .faq_questions_one {
    height: 13rem;
    max-width: 18rem;
  }
  .faq_questions_one_question {
    font-size: 1.4rem;
  }
  .faq_questions_one_answer {
    font-size: 0.9rem;
  }
}

/* aboutus */
.aboutus {
  padding-top: 5rem;
}
.aboutus_content {
  /* max-width: 50rem; */
}
.aboutus_title {
  padding-bottom: 2.5rem;
}
.aboutus_content_table {
  padding-top: 3rem;
  width: 100%;
  text-align: left;
  font-size: 0.9rem;
  border-collapse: collapse;
}
.aboutus_content_table_tr {
  border-bottom: solid thin var(--main-white-gray-color);
}
.aboutus_content_table_td {
  padding: 0.6rem 0;
}
.aboutus_content_table_th {
  width: 30%;
  font-weight: normal;
}
.aboutus_content_goal {
  margin-bottom: 2rem;
}
@media (min-width: 1000px) {
  .aboutus_content {
    padding: 0 12rem;
  }
}

/* startNow */
.startNow {
  color: white;
  position: relative;
  padding: 5rem;
}
.startNow::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: url("../img/start_now_background.png");
  background-size: cover;
  background-position: center;
  filter: brightness(0.2);
  z-index: -1;
}
.startNow_title_sub {
  padding: 1rem 0;
}
.startNow_button {
  padding-top: 3rem;
}

/* footer */
.footer {
  padding: 3rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: left;
  color: var(--main-gray-color);
}
.footer_logo {
  font-size: 2rem;
  font-weight: bold;
  padding-bottom: 4rem;
  color: black;
}
.footer_common_section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem 2.5rem;
  padding: 2rem 0;
  margin-right: 5rem;
}
.footer_common_section:not(:last-child) {
  border-bottom: solid 3px var(--main-white-gray-color);
}
@media (min-width: 1000px) {
  .footer {
    flex-direction: row;
    padding: 1.5rem 3rem;
    font-size: 0.9rem;
    align-items: center;
  }
  .footer_logo {
    font-size: 1.5rem;
    padding-bottom: 0;
  }
  .footer_common_section {
    flex-direction: row;
    align-items: center;
  }
}

/* floating */
.floating {
  position: sticky;
  z-index: 50;
  bottom: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
}
.floating_content {
  padding: 1rem 0;
  display: flex;
  gap: 0.5rem;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}
.floating_content_annot {
  color: var(--main-gray-color);
  font-size: 0.8rem;
}

/* responsive */
@media (max-width: 1000px) {
  .pc {
    display: none;
  }
}
@media (min-width: 1000px) {
  .mobile {
    display: none;
  }
}