html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  color: #222;
  font-size: 1.6rem;/* 1.0rem=10px */
  line-height: 2;
  background: #f8f8f8;
  font-family:
    "Helvetica Neue",
    Arial,
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    Meiryo,
    sans-serif;
}

img {
  max-width: 100%;
  height: auto;
}
/* ========== ========== ========== ========== ========== ========== */

a:link,
a:visited {
  color: #6A9E6F;
  text-decoration: none;
  transition: all .3s;
}

a:hover {
  color: #93C572;
  text-decoration: underline;
  /* opacity: 0.7; */
}

a:link img,
a:visited img {
  opacity: 1;
  transition: all .3s;
}

a img:hover {
  opacity: 0.7;
}

/* Typography ========== ========== ========== ========== ========== ========== */

h1,
h2,
h3,
h4,
h5 {
  line-height: 1.6;
  word-break: auto-phrase;
}

h1 {
  font-feature-settings: "palt";
  font-size: clamp(1.5rem, 1.5vw, 1.8rem);
  font-weight: 700;
  color: #666;
  letter-spacing: 0.12em;
  /* margin: 4.8em auto; */
  margin-top: 0.8em;
  margin-bottom: 0.8em;
  padding-top: 0.8em;
  padding-bottom: 0.8em;
}

h2 {
  font-size: clamp(1.5rem, 1.8vw, 2.1rem);
  line-height: 1.4;
  font-weight: 700;
  color: #666;
  text-align: center;
  /* padding: 2.4em 0;
  margin: 2.4em auto; */
  margin-top: 0.6em;
  margin-bottom: 0.6em;
  padding-top: 1.8em;
  padding-bottom: 0.6em;
}

/* @media (min-width: 960px) {
  h2 {
    padding: 3.6em 0 0;
  }
} */

h3 {
  padding: 12px 0;
  font-size: clamp(2.4rem, 3.0vw, 3.6rem);
  font-weight: 500;
  color: #666;
}

@media (min-width: 960px) {
  h3  {
    /* padding: 36px 0 12px; */
    margin-top: 0.6em;
    margin-bottom: 0.3em;
    padding-top: 0.6em;
    padding-bottom: 0.3em;
  }
}

h4,
h5 {
  font-size: clamp(1.8rem, 1.8vw, 2.1rem);
  padding: 12px 0 0;
}

h1 span,
h2 span,
h3 span,
h4 span,
h5 span {
  display: block;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 24px 0 0;
}

h1 span {
  font-size: 36%;
}

h2 span,
h3 span,
h4 span,
h5 span {
  font-size: 84%;
}

p {
  font-size: 1.6rem;
  line-height: 2;
  /* padding-bottom: 12px;
  margin-bottom: 12px; */
  margin-top: 0.0em;
  margin-bottom: 0.8em;
  padding-top: 0.0em;
  padding-bottom: 0.8em;
}

/* p:last-child {
  padding: 0 0 48px;
} */

ol,
ul {
  /* padding-left: 2rem; */
  padding: 0;
  list-style: none;
}

ol ol,
ul ul,
ol ul,
ul ol {
  margin: 0;
}

dl {
  display: grid;
  row-gap: 1.6em;
  column-gap: 2px;
  margin: 0 auto 2em;
  align-items: start;
}

dt,
dd {
  border-top: 1px solid #ccc;
  padding-top: 12px;
  margin: 0;

  font-size: 1.6rem;
  line-height: 1.6;
  text-align: left;
}

dl > dt:last-of-type,
dl > dd:last-of-type {
  padding-bottom: 12px;
  margin-bottom: 1.2rem;
}

dd {
  font-weight: 500;
}

blockquote {
  margin: 0 0 1rem;
}

b,
strong {
  font-weight: 700;
}

.small {
  font-size: 0.875em;
}

.read {
  font-size: 1.2em;
  letter-spacing: 0.04rem;
}

mark {
  padding: 0.2em;
  background-color: currentColor;
}

sub,
sup {
  position: relative;
  font-size: 0.75em;
  line-height: 0;
  vertical-align: baseline;
}

sub {
  bottom: -0.25em;
}

sup {
  top: -0.5em;
}

p.lead-ll,
p.lead-l,
p.lead-b,
p.lead,
p.lead-s,
p.lead-ss {
  word-break: auto-phrase;
  line-height: 1.8;
}

p.lead-ll,
p.lead-l,
p.lead-b {
  font-weight: 700;
  letter-spacing: 0.06em;
}

p.lead-ll {
  font-size: clamp(2.4rem, 3.6vw, 4.2rem);
}

p.lead-l {
  font-size: clamp(1.8rem, 2.1vw, 2.4rem);
}

p.lead-s {
  font-size: 1.3rem
}

p.lead-ss {
  font-size: 1rem
}

/*  */

hr {
  border-top: 1px solid #b2b2b2;
  margin: 6px 0;
}
/* ========== ========== ========== ========== ========== ========== */

.left   { text-align: left;}
.right  { text-align: right;}
.center { text-align: center;}

/* ========== ========== ========== ========== ========== ========== */

header,
main,
footer {
  width: 100%;
  display: block;
}

.wrapper {
  width: clamp(240px, 84vw, 960px);
  margin: 0 auto;
  display: block;
}
/* 
.inner
.content
.container
 */

/* ========== ========== ========== ========== ========== ========== */

header {
    background: #f7f7f7;
}

/* --- mobile --- */
  .site-header__mobile {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.06);
  }

  .site-header__mobile .site-header__mobile-branding img {
    width: 216px;
    height: auto;
    vertical-align: middle;
  }

  .site-header__nav-mobile.active ~ .site-header__nav-toggle {
    display: none;
  }

  .site-header__desktop,
  .site-nav-wrapper {
    display: none;
  }

  .site-header__nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    z-index: 1100;
    padding: 12px 36px;
  }

  .site-header__nav-toggle span {
    width: 24px;
    height: 2px;
    background: #333;
    display: block;
  }

  .site-header__nav-mobile {
    display: none;
  }

  .nav-open {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 60px;
    animation: slideDown 0.4s ease forwards;
    background: rgba(255, 255, 255, 0.96);
    z-index: 1050;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .close-btn {
    position: absolute;
    /* top: 16px; */
    top: -12px;
    right: 24px;
    font-size: 36px;
    cursor: pointer;
    z-index: 1100;
  }

  .nav-open ul {
    list-style: none;
    text-align: center;
    padding-left: 0;
    width: 72%;
  }

  .nav-open li {
    font-weight: 700;

    margin: 16px 0;
    padding: 6px 0;
    letter-spacing: 0.06em;
    border-top: #ccc 1px solid;
  }

  @media (max-width: 959px) {
    main {
      padding-top: 64px;
    }
  }

/* --- PC用 --- */
@media (min-width: 960px) {
  .site-header__mobile {
    display: none;
  }

  .site-header__desktop {
    display: block;
    background: #fff;
  }

  .site-header__desktop-top img {
    width: 360px;
    padding: 36px 0 18px;
  }

  .site-header__desktop-top a {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    text-decoration: none;
  }

  /*  */

  .site-nav-wrapper {
    display: block;
    position: sticky;
    width: 100%;
    top: 0;
    padding: 6px 0;
    z-index: 999;
    background: #fff;
    border-bottom: 1px solid #c9dccb;
  }

  .site-nav {
    width: clamp(240px, 84vw, 960px);
    margin: 0 auto;
  }

  .site-nav ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0rem;
    list-style: none;
    margin: 0;
  }

  .site-nav__item {
    font-size: 1.4rem;
    letter-spacing: 0.02em;
    border-radius: 6px;
    border: 1px solid transparent;
    transition: background 0.3s;
  }

  .site-nav__item a {
    display: block;
    padding: 2px 9px;
    text-decoration: none;
    font-weight: 500;
    color: #222;
  }

  .site-nav__item:hover {
    background: #f2f7f2;
    border-color: #d5e3d6;

  }

  .site-nav__item.is-current {
    border: 2px solid transparent;
    /* background: #fff; */
  }

  .site-nav__item.is-current a {
    color: #6A9E6F;
    font-weight: 700;
  }
}

/* ========== ========== ========== ========== ========== ========== */

/* main common */

.breadcrumb {
  padding: 12px 24px;
  font-size: 1.5rem;
}
.breadcrumb ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5em;
}
.breadcrumb li::after {
  content: ">";
  margin: 0 0.5em;
  color: #999;
}
.breadcrumb li:last-child::after {
  content: "";
}

/* ========== ========== */

main section:nth-of-type(even) {
  /* background: #e2e2e2; */
  background: #eff1ef;
}

section {
  width: 100%;
  text-align: center;
  display: block;
  padding-bottom: 12px;
}

@media (min-width: 960px) {
  section {
    padding-bottom: 36px;
  }
}

.section-title {
  position: relative;
  display: flex;
  justify-content: center;
  /* padding: 36px 0; */
  padding: 24px 0;
}

@media (min-width: 960px) {
  .section-title {
    padding: 12px 0;
  }
}

.section-title h2 {
  position: relative;
  display: inline-block;
  font-size: clamp(1.8rem, 2.4vw, 3.6rem);
  color: #333;
  line-height: 1.6;
  font-weight: 700;
  z-index: 1;
  /* padding: 0; */
  /* margin: 3.6em auto 0.6em; */
  margin-top: 0.8em;
  margin-bottom: 0.8em;
  padding-top: 0.8em;
  padding-bottom: 0.8em;
}

.section-title h2 span {
  position: absolute;
  left: 0;
  bottom: 0;
  font-size: clamp(6.0rem, 9.6vw, 12rem);
  color: #eaeaea;
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  z-index: -1;

  transform: translateY(0em);
}

main section:nth-of-type(even) .section-title h2 span {
  color: #fcfcfc;
}

/* ========== ========== */
picture {
  align-items: stretch;
}

.text-block,
.text-block-s {
  margin: 0 auto 2rem;
  text-align: left;
  text-align: justify;
}

.text-block {
  max-width: 840px;
  width: clamp(300px, 90vw, 840px);
}

.text-block-s {
  max-width: 840px;
  width: clamp(300px, 90vw, 840px);
}

/* news ========== ========== */

.news-list {
  padding: 12px 0;
}

.news-list li {
  padding: 12px 0;
  border-top: 2px solid #ccc;
}

/*
.news-list li:last-child {
  border-bottom: 2px solid #ccc;
}
  */

.news-item__link {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
  text-decoration: none;
}

a.news-item__link {
  text-decoration: none;
  color: inherit;
}

a.news-item__link:hover {
  text-decoration: none;
}

.news-item__link .news-item__date {
  color: #6A9E6F;
  text-decoration: underline;
}

.news-item__link:hover .news-item__date {
  color: #93C572;
}

.news-item__text {
  display: none;
}

.news-item__img {
  flex-basis: 30%;
  flex-shrink: 0;
}

.news-item__img img {
  max-width: 240px;
  margin: 0 auto;
}

.news-item__title h3 {
  font-size: clamp(1.5rem, 1.6vw, 1.8rem);
  font-weight: 700;
  padding: 0;
  margin: 0;
  word-break: normal;
}


@media (min-width: 540px) {
  .news-item__link {
    display: grid;
    grid-template-columns: 120px 1fr; /* 画像｜内容 */
    gap: 16px;
    align-items: start;
  }

  .news-item__img img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 4px;
  }

  .news-item__contents {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0.6em;
  }

  .news-item__date {
    font-size: 1.5rem;
    color: #6A9E6F;
    text-decoration: underline;
  }
}

@media (min-width: 960px) {
  .news-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: stretch;
  }

  .news-list li {
    display: flex;
    flex-direction: column;
    height: 100%;
  }

  .news-item__link {
    display: grid;
    grid-template-columns: 120px 1fr; /* 画像｜テキスト */
    gap: 16px;
    height: 100%;
    align-items: start;
  }

  .news-item__contents {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0.6em;
  }

  .news-item {
    border: none;
    padding: 0;
  }

  .news-item__img {
    width: 100%;
  }

  .news-item__text {
    display: block;
  }
  /*
  .news-list li:nth-child(n+3) {
    display: none; 
  }
  */
}

.news-item__text {
  padding: 0;
  margin: 0;
  text-align: justify;
  /* add */
  display: none !important;
}

a.news-item__contents,
.news-item__contents:hover {
  text-decoration: none;
}

 a .news-item__title,
 a .news-item__text {
  color: #333;
}

.news-item__title:hover,
.news-item__text:hover {
  color: #666;
}

/* initiatives ========== ========== */

.initiatives-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 800px) {
  .initiatives-list {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding-bottom: 36px;
  }
}

.initiatives-item {
  display: flex;
  flex-direction: column;
  background: #fcfcfc;
  border-radius: 12px;
  
  padding: 18px;
  margin-top: 0.8em;
  margin-bottom: 0.8em;
  padding-top: 0.8em;
  padding-bottom: 0.8em;

  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.initiatives-card__body h3,
.initiatives-card__body p {
  margin: 0 12px;
  padding: 0;
  word-break: auto-phrase;
}

.initiatives-card__body h3 {
  font-size: clamp(1.5rem, 1.8vw, 2.1rem);
  font-weight: 700;
  color: #222;
  margin: 12px 0;
}

.initiatives-card__body p {
  color: #555;
  font-size: 1.5rem;
}

.initiatives-card__img img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
  display: block;
  border-radius: 8px;
}

/* about ========== ========== */

.about-meta {
  display: grid;
  grid-template-columns: 120px 1fr;
  row-gap: 0.12em;
  /* margin-top: 36px; */
  margin-top: 0.8em;
  margin-bottom: 0.8em;
  padding-top: 0.8em;
  padding-bottom: 0.8em;
}

.about-meta dd {
  margin: 0 0 1em;
  font-weight: 500;
}

.about-join {
  display: block;
  max-width: 840px;
  width: clamp(300px, 90vw, 840px);
  /* margin: 36px auto 144px; */
  margin: 24px auto;
  padding: 6px 36px;
  background: #fafafa;
  border-radius: 36px;
}

/*  */

.about__about {
  width: clamp(240px, 72vw, 720px);
  margin: 0 auto;
}

.about__about dl {
  grid-template-columns: 96px 1fr;
}



.about__chairman-img {
  text-align: center;
  margin: 0 auto 2.4rem;
  width: clamp(240px, 72vw, 360px);
}

.about__chairman p {
  padding-top: 0;
}

.about__chairman p.lead-l {
  padding-bottom: 0;
  margin-bottom: 0;
}

.about__chairman h3 {
  font-size: clamp(1.8rem, 2.1vw, 2.4rem);
  /* border-top: solid 2px #ccc; */
  text-align: center;
  max-width: 480px;
  margin: 2.4em auto 0;
  padding-top: 0.6em;
}


.about__member-list h3 {
  font-size: clamp(1.8rem, 2.1vw, 2.4rem);
  border-top: solid 2px #ccc;
  max-width: 480px;
  margin: 2.4em auto 0;
  padding-top: 0.6em;
}

.about__member-list ul li {
  margin-bottom: 1.2em;
  font-weight: 700;
  letter-spacing: 0.06;
}

.about__member-list ul li a {
  padding: 0.6em;
  border-radius: 6px;
  text-decoration: none;
  transition: color 0.2s;
}

.about__member-list ul li a:hover {
  text-decoration: underline;
  background: #f7f7f7;
}

/* join ========== ========== */

.join__types {
  max-width: 840px;
  width: clamp(300px, 90vw, 840px);
  margin: 0 auto;
}

.join__type {
  width: clamp(240px, 72vw, 600px);
  margin: 0 auto 3em;
  padding: 0.6em 1.2em 3.6em;
  background: #fcfcfc;
  border-radius: 36px;
}

.join__type h3 {
  font-size: clamp(1.6rem, 1.8vw, 2.1rem);
  font-weight: 700;
}

.join__type h4 {
  margin: 0.9em 0 0.2em;
  font-weight: 500;
  color: #999;
}

.join-cost dl {
  width: clamp(240px, 72vw, 480px);
  margin: 0 auto 2.4em;
  grid-template-columns: 5fr 3fr;
}

.join-cost dd {
  text-align: right;
}

/* news ========== ========== */

main section.news-detail {
  width: clamp(240px, 84vw, 960px);
  margin: 0 auto;
  padding: 1em;
  text-align: left;
  background: #fafafa;
}

.news-detail__meta {
  font-size: 0.9em;
  color: #666;
  margin-bottom: 1.5em;
}

.news-detail__headline h1 {
  font-size: 1.8em;
  margin-top: 0.2em;
  margin-bottom: 0.5em;
  color: #333;
}

.news-detail__img {
  margin-bottom: 1.5em;
}

.news-detail__img img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}

.news-detail__text {
  max-width: 840px;
  width: clamp(300px, 90vw, 840px);
  margin: 0 auto;
  text-align: justify;
}

/* faq ========== ========== */

.faq__list {
  margin: 2em auto;
  max-width: 840px;
  width: clamp(240px, 90vw, 360px);
}

.faq__list ul {
  list-style: none;
  margin: 0;
  padding: 0;
  margin-left: -1em;
}

.faq__list li {
  margin-bottom: 1em;
}

.faq__button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.8em 1em;
  /* background: #ecf4ec; */
  background: #fff;
  border: 1px solid #eaeaea;
  color: #333;
  font-weight: 700;
  border-radius: 6px;
  text-decoration: none;
  gap: 0.5em;
  transition: background-color 0.3s, color 0.3s;
}

.faq__button:hover {
  background: #eaeaea;
  color: #333;
  text-decoration: none;
}

.faq__icon {
  display: inline-block;
  width: 1.2em;
  height: 1.2em;

  flex-shrink: 0;
  background-image: url('../img/icon/down-arrow.svg');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.faq__q-a h3 {
  border-top: 2px solid #aaa;
  padding-top: 12px;
  font-size: clamp(1.8rem, 2.1vw, 2.4rem);
  line-height: 1.8;
  font-weight: 700;
}

.faq__q-a a {
  padding: 2px 6px;
  background: #fcfcfc;
  font-weight: 700;
}

/* ========== ========== ========== ========== ========== ========== */
/* footer */
footer {
/* background: #f8f8f8; */
background: #fff;
  z-index: 999;
  /* border-top: solid 1px #f2f2f2 ; */
  border-top: 1px solid #c9dccb;
}

.site-footer__wrapper {
  width: clamp(240px, 84vw, 1290px);
  margin: 0 auto;
}

.site-footer__branding_contact {
  text-align: center;
  padding: 24px 0;
}

.site-footer__branding {
  width: 100%;
  margin: 0 auto 36px;
}

.site-footer__branding img {
  width: clamp(180px, 72vw, 288px);
  margin: 12px auto;
}

.site-footer__contact {
  width: 100%;
}

.site-footer__contact {
  margin: 0 auto;
}

/*  */

.footer-nav__block a {
  color: #333;
}

.footer-nav__block:hover {
  color: #666;
}

.footer-nav__block h3 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-top: #ccc 2px solid;
  padding: 6px 0 12px;
}

.footer-nav__block ul {
  display: none;
}

@media (min-width: 1290px) {
  .site-footer__branding_contact {
    padding: 36px 0 0;
    display:flex;
    justify-content: space-between;
    width: 100%;
  }

  .site-footer__branding {
    text-align: left;
  }

  .site-footer__contact {
    text-align: right;
  }

  .footer-nav {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
  }

  .footer-nav__block {
    flex: 1;
  }

  .footer-nav__block h3 {
    font-size: 1.5rem;
    padding: 12px 0 0;
  }

  .footer-nav__block ul {
    display: block;
    font-size: 1.4rem;
    margin-bottom: 96px;
  }
}

  .footer-copy {
    text-align: center;
  }

.footer-copy p {
  margin: 0;
  color: #aaa;
}

/* ========== ========== ========== ========== ========== ========== */

.btn-wrapper {
  text-align: center;
  /* padding: 24px 0; */
  margin-top: 0.8em;
  margin-bottom: 0.8em;
  padding-top: 0.8em;
  padding-bottom: 0.8em;
}

@media (min-width: 960px) {
  .btn-wrapper {
    padding: 24px 0;
  }
}

/* ========== ========== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.4em 1.2em 0.3em;
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 0.06;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
  box-sizing: border-box;
}

a.btn {
  background: #333;
  color: #f2f2f2;
}

.btn:hover {
  background: #666;
  text-decoration: none;
}

/* ========== */
.btn--view-all {
  border-radius: 100px;
}

.btn--link-out,
.btn--icon-vertical {
  border-radius: 6px;
}

.btn--icon-vertical {
  flex-direction: column;
  justify-content: center;
  text-align: center;
  gap: 6px;
  padding: 1em;
}

.btn--icon-vertical .btn__text {
  display: block;
  margin-top: 4px;
  line-height: 1.4;
}

.btn__icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}

.btn__icon--link-out {
  width: 21px;
  height: 21px;
  background-image: url('../img/icon/link-out.svg');
}

.btn__icon--pdf {
  width: 36px;
  height: 36px;
  background-image: url('../img/icon/pdf.svg');
}

.btn__icon--contact {
  width: 21px;
  height: 21px;
  background-image: url('../img/icon/comment.svg');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

/* PC header nav contact */

.site-nav__item--contact {
  border: 2px solid transparent;
  box-sizing: border-box;

  background: #333;
  /* background: #6A9E6F; */
}

.site-nav__item--contact a {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;

  /* color: #f2f2f2; */
  color: #fff;
}

.site-nav__item--contact:hover {
  background: #666;
  border-color: #f2f2f2;
}

.site-nav__item--contact:hover a {
  color: #f2f2f2;
}