:root {
  --color-bk: #000000;
  --color-gray: #212121;
  --color-w: #fff;
  --color-yellow: #CCAE1A;
  --color-yellow-l: #F3F0E6;
  --font-en: "Akshar", sans-serif;
  --font-min: "Noto Serif JP", serif;
  --font-en-sans: "Poppins", sans-serif;
}

body {
  font-weight: 400;
  font-family: "Noto Sans JP", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--color-gray);
  background: var(--color-w);
  line-height: 1.8;
  font-size: 1.8rem;
  overflow-x: hidden;
}

.min {
  font-family: var(--font-min);
  font-weight: 600;
}

.bg_y {
  background: var(--color-yellow-l);
}

a.underline {
  text-decoration: underline;
}

a {
  transition: 0.3s;
}

a:hover {
  opacity: 0.7;
}

@media (min-width: 859px) {
  br.sp {
    display: none;
  }
}

section {
  padding: clamp(4.8rem, 2.286rem + 5.24vw, 7rem) 2rem;
}
.section_inner {
  margin: auto;
}
.section_inner.w840 {
  max-width: 840px;
}
.section_inner.w1040 {
  max-width: 1040px;
}

.title_main {
  margin-bottom: 4rem;
}
.title_main h2 {
  color: var(--color-gray);
  text-align: center;
  font-family: var(--font-min);
  font-size: clamp(2rem, 0.785rem + 2.53vw, 3rem);
}
.title_main::after {
  content: "";
  display: block;
  margin: auto;
  height: clamp(1.6rem, 0.628rem + 2.03vw, 2.4rem);
  width: clamp(3.6rem, 1.899rem + 3.54vw, 5rem);
  background: url(assets/img/common/ttl_img.svg) center/contain no-repeat;
}

header {
  padding: 3.2rem 6rem;
  border-bottom: 2px solid var(--color-bk);
  position: relative;
  z-index: 2;
}
@media (max-width: 1200px) {
  header {
    padding: 1.6rem 2rem;
  }
}
header .header_inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header .header_logo a {
  display: flex;
}
@media (max-width: 1200px) {
  header .header_logo a {
    width: 17rem;
  }
}
@media (max-width: 860px) {
  header .sp_wrap {
    display: none;
    z-index: 1;
    background: var(--color-yellow-l);
    position: absolute;
    width: 100%;
    left: 0;
    top: 6.4rem;
    padding: 2.4rem;
    box-sizing: border-box;
  }
}
header nav {
  display: flex;
  align-items: center;
}
@media (max-width: 860px) {
  header nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
}
@media (max-width: 860px) {
  header nav .header_mail_pc {
    display: none;
  }
}
header nav .header_mail_sp {
  width: 100%;
}
@media (min-width: 859px) {
  header nav .header_mail_sp {
    display: none;
  }
}
header nav .header_mail_sp a {
  font-weight: 600;
  display: flex;
  gap: 0.4rem;
  align-items: center;
  justify-content: center;
  padding: 0.4rem;
  border: 1px solid var(--color-bk);
  background: var(--color-w);
}
header nav .header_mail_sp a::before {
  content: "";
  display: inline-block;
  vertical-align: middle;
  height: 1em;
  width: 1.5em;
  background: url(assets/img/common/ico_mail.svg) center/contain no-repeat;
}
header ul {
  display: flex;
}
@media (max-width: 860px) {
  header ul {
    flex-direction: column;
    gap: 2.4rem;
  }
}
header ul a {
  display: block;
  font-weight: 600;
  text-align: center;
  padding: 0.4rem 1.6rem;
  color: var(--color-bk);
}
@media (max-width: 860px) {
  header ul a {
    text-align: left;
    border-left: 5px solid var(--color-yellow);
    line-height: 1;
    padding: 0 1.6rem;
  }
}
header .header_btn {
  height: 30px;
  width: 30px;
  position: relative;
}
@media (min-width: 859px) {
  header .header_btn {
    display: none;
  }
}
header .header_btn span {
  position: relative;
  display: block;
  height: 4px;
  width: 100%;
  background: var(--color-gray);
  transition: 0.3s;
}
header .header_btn span::before {
  content: "";
  position: absolute;
  display: block;
  height: 4px;
  width: 100%;
  background: var(--color-gray);
  transition: 0.3s;
  top: 9px;
}
header .header_btn span::after {
  content: "";
  position: absolute;
  display: block;
  height: 4px;
  width: 100%;
  background: var(--color-gray);
  transition: 0.3s;
  bottom: 9px;
}
header .header_btn span.open {
  height: 0;
}
header .header_btn span.open::before {
  transform: rotate(-45deg);
  transform-origin: left;
}
header .header_btn span.open::after {
  transform: rotate(45deg);
  transform-origin: left;
}
header .nav_title {
  color: var(--color-yellow);
  font-size: 1.7rem;
  font-weight: 600;
  margin-bottom: 2rem;
}
@media (min-width: 859px) {
  header .nav_title {
    display: none;
  }
}

footer {
  position: relative;
  text-align: center;
}
footer .pagetop {
  position: absolute;
  width: 6rem;
  height: 6rem;
  right: 4rem;
}
@media (max-width: 768px) {
  footer .pagetop {
    width: 4rem;
    height: 4rem;
    right: 2rem;
  }
}
footer ul {
  display: flex;
  justify-content: center;
}
@media (max-width: 768px) {
  footer ul {
    display: none;
  }
}
footer ul a {
  display: block;
  font-weight: 600;
  text-align: center;
  padding: 0.4rem 1.6rem;
  color: var(--color-bk);
}
footer .footer_inner {
  padding: 4rem 2rem;
  background: var(--color-yellow-l);
  border-top: 1px solid var(--color-gray);
}
footer .footer_inner .footer_logo {
  margin-bottom: 2rem;
}
footer .footer_inner .number {
  display: flex;
  gap: 1.6rem;
  align-items: center;
  justify-content: center;
  margin: 1.6rem 0;
}
@media (max-width: 768px) {
  footer .footer_inner .number {
    flex-direction: column;
    gap: 0;
  }
}
footer .footer_inner .number p {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: clamp(2.2rem, 1.714rem + 1.01vw, 2.6rem);
  line-height: 1.2;
}
footer .contact a {
  font-weight: 600;
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
}
@media (max-width: 768px) {
  footer .contact a {
    width: 100%;
    padding: 0.4rem;
    border: 1px solid var(--color-bk);
    background: var(--color-w);
    justify-content: center;
    box-sizing: border-box;
  }
}
footer .contact a::before {
  content: "";
  display: inline-block;
  vertical-align: middle;
  height: 1em;
  width: 1.5em;
  background: url(assets/img/common/ico_mail.svg) center/contain no-repeat;
}
footer .copy {
  background: var(--color-gray);
  color: var(--color-w);
  font-size: clamp(1.2rem, 0.957rem + 0.51vw, 1.4rem);
}