/* common start */

@import url("https://fonts.googleapis.com/css2?family=Kosugi+Maru&family=Noto+Sans+JP:wght@100..900&family=Noto+Serif+JP:wght@200..900&display=swap");

@font-face {
  font-family: ShinRetroMaruGothic;
  src: url(../fonts/ShinRetroMaruGothic-Bold.ttf);
}

:root {
  --orange: #e05925;
  --orange-pastel: #eb9b7d;
  --pink: #ff7575;
  --green: #54b97f;
  --orange-light: #fbeee5;
  --maroon: #500005;
  --blue: #003cd2;
  --grey-dark: #4a4a4a;
  --yellow: #ffae00;
  --font-serif-jp: "Noto Serif JP", serif;
  --font-sans-jp: "Noto Sans JP", sans-serif;
  --font-kosugi: "Kosugi Maru", sans-serif;
}

*,
*::before,
*::after {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  line-height: 1.5;
  font-family: "ShinRetroMaruGothic";
  font-weight: 400;
  font-style: normal;
  letter-spacing: 1px;
  scroll-padding-top: 100px;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: #000;
  transition: 0.6s;
}

a:hover {
  opacity: 0.7;
}

main {
  padding-top: 100px;
}

main section:first-of-type {
  margin-top: 0 !important;
  position: relative;
  top: -1px;
  padding-top: 20px !important;
}

#top main section:first-of-type {
  padding-top: 0 !important;
}

#top main {
  padding-top: 0;
}

.sp {
  display: none;
}

.mb-10 {
  margin-bottom: 10px;
}

.mb-16 {
  margin-bottom: 16px;
}

.py-60 {
  padding-top: 60px;
  padding-bottom: 60px;
}

.px-3p {
  padding-left: 3%;
  padding-right: 3%;
}

.my-60 {
  margin-top: 60px;
  margin-bottom: 60px;
}

.inner {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}

.flex-box {
  display: flex;
}

.flex-box.gap-20 {
  gap: 20px;
}

.imgbox img,
.card_img img {
  width: 100%;
  height: 100%;
}

.section_ttl {
  font-size: 36px;
  margin-bottom: 30px;
  text-align: center;
}

.section_ttl.dashed {
  min-width: 350px;
  width: fit-content;
  margin: 0 auto 30px;
  text-align: center;
  position: relative;
  display: block;
  padding-bottom: 6px;
}

.section_ttl.dashed::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  border-bottom: 2px dashed #000;
}

.section_desc {
  text-align: center;
  margin-bottom: 30px;
  font-family: a-otf-gothic-mb101-pr6n, sans-serif;
}

.text-orange {
  color: var(--orange);
}

.lower-mv {
  background: var(--orange-light);
  padding-top: 30px;
  padding-bottom: 10px;
}

.lower-mv .breadcrumb {
  margin-bottom: 0;
  font-family: fot-rodin-pron, sans-serif;
}

.lower-mv .breadcrumb .list {
  display: flex;
  gap: 15px;
}

.lower-mv .breadcrumb .list .item {
  font-size: 14px;
}

/* common end */

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: #fff;
  z-index: 9999;
  box-shadow: 0 0 6px 2px #e0e0e0be;
  padding-left: 3%;
  padding-right: 3%;
}

header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  font-family: fot-rodin-pron, sans-serif;
  font-weight: 600;
}

header .brand {
  width: 22%;
  min-width: 195px;
}

header .brand a {
  display: flex;
  align-items: center;
  gap: 10px;
}

header .brand img {
  width: 100%;
  height: 100%;
}

header .nav-container {
  display: flex;
  gap: 10px;
  transition: 0.6s;
  height: 100px;
}

header .nav-container nav {
  height: 100%;
}

header .nav-container nav .nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 100%;
}

header .nav-container nav .nav-item {
  text-align: center;
  height: 100%;
  padding: 4px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  min-width: 130px;
  height: 100%;
}

header .nav-container nav .nav-item:not(:last-child):after {
  content: "";
  display: block;
  width: 1px;
  height: 60px;
  background: #000;
  position: absolute;
  top: 50%;
  right: -4px;
  transform: translateY(-50%);
}

header .nav-container .cta {
  background: url(../img/bg/ribbon.png) no-repeat;
  background-position: center;
  background-size: 100% 100%;
  height: 95px;
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px;
  position: relative;
}

header .nav-container .cta .cta_img {
  width: 25px;
  height: 25px;
  margin-bottom: 8px;
}

header .nav-container .cta .cta_txt {
  text-align: center;
  color: #fff;
  font-size: 12px;
}

.backdrop {
  position: fixed;
  top: 100px;
  right: -100vw;
  width: 100vw;
  height: 100vh;
  background: #3d1a0363;
  z-index: 5;
  transition: 0.6s;
  transition-timing-function: cubic-bezier(0.165, 0.84, 0.44, 1);
  opacity: 0;
}

header .menu-btn {
  background: var(--orange);
  display: none;
  color: #fff;
  height: 100%;
  aspect-ratio: 1 / 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0;
  right: 0;
  transition: 0.6s;
  z-index: 10;
}

@media (max-width: 900px) {
  body.no-scroll {
    overflow: hidden;
    height: 100vh; /* Optional: prevent bouncing on mobile */
  }

  header .menu-btn {
    display: flex;
  }

  #voices .comment .cards {
    position: relative;
    z-index: 0;
  }

  header .nav-container {
    position: fixed;
    top: 0;
    right: -150px;
    flex-direction: column-reverse;
    align-items: center;
    justify-content: flex-end;
    background: #fff;
    height: 100vh;
    width: 150px;
    z-index: 9999;
  }

  header .nav-container .nav-list {
    flex-direction: column;
  }

  header .nav-container nav .nav-item {
    height: auto;
  }

  header .nav-container nav .nav-item:not(:last-child):after {
    display: none;
  }

  header.active {
    z-index: 9999;
  }

  header.active .backdrop {
    right: 0;
    opacity: 1;
    z-index: 9999;
  }

  header.active .menu-btn {
    transition: 0.6s;
    right: 150px;
    z-index: 12;
  }

  header.active .nav-container {
    right: 0;
  }

  .section_ttl {
    font-size: 26px;
  }

  .section_ttl.dashed {
    min-width: unset;
  }
}

@media (max-width: 768px) {
  .py-60 {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .my-60 {
    margin-top: 40px;
    margin-bottom: 40px;
  }

  .section_ttl {
    font-size: 24px;
  }
}

@media (max-width: 576px) {
  main {
    padding-top: 85px;
  }

  .backdrop {
    top: 85px;
  }

  header {
    height: 85px;
  }

  header .brand {
    max-width: 150px;
  }

  .section_ttl,
  .section_ttl.dashed {
    font-size: 25px;
  }

  .section_ttl none,
  .section_ttl.dashed br {
    display: none;
  }
}

@media (max-width: 500px) {
  header .brand {
    width: fit-content;
    min-width: unset;
  }

  header .brand a {
    /* flex-direction: column; */
    gap: 4px;
  }

  header.active .brand a p {
    font-size: 8px;
  }

  header .brand img {
    transition: 0.5s ease;
  }

  header.active .brand img {
    max-width: 45px;
  }
}

@media (max-width: 450px) {
  /* .section_ttl, .section_ttl.dashed, .section_desc {
        text-align: left;
    } */

  #seminar .section_ttl.dashed {
    text-align: left;
  }

  .section_ttl,
  .section_ttl.dashed {
    font-size: 25px;
  }

  .section_desc {
    text-align: left;
  }

  .section_desc br {
    display: none;
  }
}

@media screen and (max-width: 380px) {
  .section_ttl,
  .section_ttl.dashed {
    font-size: 20px;
  }

  header .nav-container .cta .cta_txt {
    font-size: 10.5px;
  }
}

@media (max-width: 310px) {
  header .brand .imgbox img {
    max-width: 50px;
  }
}