/* roots */

:root{
  --color-ground:#ffffff;
  --color-brand:#087140;
  --color-brand2:#00b900;
  --color-brand3:#d9e8bf;
  --color-ink:#0d3d20;
  --color-ink-right:#418c657f;
  --font-serif: "Noto Sans JP", sans-serif;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --max-width: min(1100px, 88vw);
}

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

body {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 300;
  color: var(--color-ink);
  background-color: var(--color-ground);
  line-height: 1.65;
  font-size: clamp(15px, 4vw, 18px);
}

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

h1{
  font-weight: 100;
  margin: 0 0 0.75rem;
  color: var(--color-ink);
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: 3px;
}

h2,h3 {
  font-weight: 350;
  margin: 0 0 0.75rem;
  color: var(--color-ink);
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: 3px;
}

p {
  margin: 0 0 1.15rem;
}

section{
  margin-bottom: 4rem;
}

.container{
  padding: clamp(1rem, 4vw, 1.5rem);
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.heading{
    max-width: 640px;
    margin-bottom: 3rem;
}


.line{
  letter-spacing: -3px;
  color: var(--color-ink-right);
  font-weight: 1000;
  font-size: clamp(12px, 2vw, 18px);
  line-height: 2px;
}


.eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-ink-right);
  margin-bottom: 0.75rem;
  font-family: var(--font-sans);
  line-height: 0.5px;
}

.ghost {
  position: relative;
  z-index: 1;
  display: inline-block;
  font-size: 1.1rem;
  color: var(--color-ink);
  border-left: 10px solid var(--color-ink-right);
  padding: 0.5rem 2.5rem 0.5rem 1.5rem;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 50%, calc(100% - 20px) 100%, 0 100%);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ghost:hover {
  transform: translateY(-3px);
  background: var(--color-brand);
  color: #ffffff;
}

@media (max-width: 960px){
  body{
    font-size: 14px;
  }

}


.fade {
  opacity: 0;
  transform: translateY(40px);
  transition: 0.8s ease;
}

.fade.show {
  opacity: 1;
  transform: translateY(0);
}

/* header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ebf0ecf4;
  overflow: visible;
  backdrop-filter: blur(1px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 265px;
  width: 5px;
  height: 100%;
  background-color: #ffffff;
  transform: skew(-20deg);
}

.site-header::after {
  content: "";
  position: absolute;
  top: 0;
  left: -20px;
  width: 280px;
  height: 100%;
  background-color: #ffffff;
  transform: skew(-20deg);
  z-index: -2;
}

.site-header .header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.3rem 1.5rem;
}


/* ===============================
   LOGO
================================= */

.logo img {
  display: block;
  height: auto;
  width: clamp(0px, 35vw, 160px);
}

/* ===============================
   NAV (PC BASE)
================================= */

.site-nav {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.menu-item {
  display: block; /* PCではflexにしない */
}

.site-nav a {
  text-decoration: none;
  color: var(--color-ink);
  position: relative;
  display: inline-block;
  padding: 0.3rem 0;
}

/* アンダーラインアニメ */
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 1px;
  background: var(--color-brand2);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.site-nav a.nav-cta {
  display: inline-block;
  color: var(--color-brand);
  padding: 0.6rem 1.2rem; 
  margin-left: 1.5rem;
  border: 1px solid var(--color-brand);
  border-radius: 999px;
  white-space: nowrap;
}

.site-nav a.nav-cta:hover {
  background: rgb(255, 147, 70);
  border: 1px solid rgb(255, 147, 70);
  color: var(--color-ground);
}

/* 下線完全無効化 */
.site-nav a.nav-cta::after {
  content: none !important;
}

/* ===============================
   SUB MENU (PC)
================================= */

.sub-menu {
  list-style: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  margin: 0;
  padding: 1rem;
  background: #fff;
  border: 1px solid #e0e0e0;
  box-shadow: 0 10px 30px rgba(0,0,0,0.12);

  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease;

  z-index: 1000;
}

.sub-menu li + li {
  margin-top: 0.5rem;
}

.sub-menu a {
  display: block;
  color: var(--color-ink);
}

.sub-menu a:hover {
  color: var(--color-ink-right);
}

.sub-menu a::after {
  content: none;
}

.sub-menu a:hover::after {
  content: none;
}

/* PCのみhover有効 */
@media (min-width: 769px) {

  .nav-item.has-sub:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

}

/* ===============================
   TOGGLE BUTTON (PCでは非表示)
================================= */

.submenu-toggle {
  display: none;
}

.nav-toggle {
  display: none;
}

/* ===============================
   MOBILE
================================= */


@media (max-width: 768px) {
  
  .nav-cta {
    width: 100%;
    text-align: center;
  }

    /* ハンバーガー表示 */
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
  }

  .nav-toggle-line {
    width: 22px;
    height: 2px;
    background: var(--color-brand);
    transition: .3s;
  }

  
.nav-toggle.is-open .nav-toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-open .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open .nav-toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

  /* モバイルナビ全体 */
  .site-nav {
    font-size: larger;
    position: fixed;
    top: clamp(0px, 14vw, 64px);
    left: 0;
    right: 0;
    background: #ebf0ecf4;
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: .5s ease;
  }

  .site-nav[data-open="true"] {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 1rem;
  }

  .sub-menu a::after {
  content: none;
}

.sub-menu a:hover::after {
  content: none;
}

  /* メニュー行をflex化 */
  .menu-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  /* ＋ボタン */
  .submenu-toggle {
    display: inline-block;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
  }

  .submenu-toggle::before {
    content: "+";
  }

  .nav-item.has-sub.open .submenu-toggle::before {
    content: "−";
  }

  /* サブメニューを通常フローに戻す */
  .sub-menu {
    font-size: smaller;
    position: static;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding: 0;
    padding-left: 2rem;
    background: #ebf0ecf4;
    border: none;
    box-shadow: none;
    transition: max-height .6s ease;
  }

  .nav-item.has-sub.open > .sub-menu {
    max-height: 150px;
  }

  body[data-nav-open="true"] {
    overflow: hidden;
  }

}



/* footer */

.site-footer {
  background: #30543f;
  color: #ffffff;
  padding: 3.5rem ;
}

.footer-container {
  display: grid;
  gap: 2rem;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.footer-container h3{
  color: #ffffff;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: none;
  background: var(--color-brand);
  color: #ffffff;
  font-size: 1.3rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: 0px 4px 15px rgba(27, 15, 10, 0.439);
}

.back-to-top[data-visible="true"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}


.back-to-top[data-visible="true"]:hover{
    transform: translateY(-5px);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-reveal][data-visible="true"] {
  opacity: 1;
  transform: translateY(0);
}

/* top */

.top{
    position: relative;
    padding: 12rem 0 6rem;
    background-image: url(images/img_keigo.jpg) ;
    background-size: cover;
    background-position: 80% center ;
    background-repeat: no-repeat;
    min-height: 90vh;
}

.top-container{
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.top h1{
    color: #ffffff;
    text-shadow: 2px 2px 4px #26262686;

}

.top p{
    padding: 6px;
    color: #ffffff;
    text-shadow: 2px 2px 4px #26262686;
}

.sp-br {
  display: none;
}

@media (max-width: 768px) {
  .sp-br {
    display: block;
  }
}
.sign{
    text-align: right;
}


.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 0 auto;
}


@media (max-width: 768px) {

.card-grid {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;

}

.card-grid > a {
    flex: 0 0 60%;       
    scroll-snap-align: start;
  }


}


.card {
  padding: 2rem;
  margin: 0 auto;
}

.card .photo {
  height: 15rem;
  width: 18rem;
  border-radius: 10px;
  border: 1px solid #a4a4a4;
  background-position: center;
  background-size: cover;
  overflow: hidden;
  display: flex;
  margin-bottom: 10px;
}

.card .caption {
  font-family: var(--font-sans);
  font-size: 16px;
  text-align: center;
}
.log{
  display: flex;
  gap: 1rem;
  margin-bottom: 0;
  font-size: 15px;
}

.log a:hover{
  color: #838383;
  
}


/* each-section */

.business-section-pad{
    padding: 4rem 0;
}

.business-carousel {
  position: relative;
  overflow: hidden;
  display: flex;
  gap: 0.5rem;
}

.business-card {
  text-align: center;
  position: relative;
  min-width: min(300px, 70vw);
  padding-top: 5rem;
  padding-bottom: 5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(40, 25, 21, 0.06);
  display: grid;
  gap: 2rem;
  margin: 1rem;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}

.business-card:hover {
  transform: translateY(-3px);

}


.business-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: inherit; 
  background-size: inherit;
  background-position: inherit;
  background-repeat: inherit;
  filter: blur(0.5px); 
  transform: scale(1.2); 
  z-index: 0;
}

.business-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 40%;
  background: rgba(255, 255, 255, 0.773);
  z-index: 1;
  pointer-events: none;
}

.business-card * {
  position: relative;
  z-index: 2;
}

.business-card.waste {
  background-image: url("images/img_waste.png");
}

.business-card.waste2 {
  background-image: url("images/img_waste2.png");
}

.business-card.recycle {
  background-image: url("images/img_recycle.png");
}

.business-card .tytle {
  margin: 0;
  font-size: 20px;
}

.business-card blockquote {
  margin: 0;
  font-size: 1rem;
  color: #ffffff;
}

@media (max-width: 768px) {

.business-carousel {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;

}

.business-carousel > a {
    flex: 0 0 60%;          /* ← 1枚ほぼ全表示 */
    scroll-snap-align: start;
  }


}


.section-pad{
  padding-top: 2rem ;
  padding-bottom:2rem;
  padding-left: 8vw;
  display: grid;
  align-items: center;
  min-height:60vh;
}

.information-image {
  background-image: url("images/img_hashimotodai.png");
  background-size: cover;
  background-position: center;
  height: 100%;
}


.facility-image {
  background-image: url("images/img_waste2.png");
  background-size: cover;
  background-position: center;
  height: 100%;
}

.environment-image {
  background-image: url("images/img_environment.jpg");
  background-size: cover;
  background-position: center;
  height: 100%;
}

.employment-image {
  background-image: url("images/img_company.png");
  background-size: cover;
  background-position: center;
  height: 100%;
}

@media (max-width: 960px) {


  .information-image {
    order: 1; 
    height: 30vh;
  }

  .facility-image {
    order: 1; 
    height: 30vh;
  }

  .environment-image {
    order: 1; 
    height: 30vh;
  }
}



.list {
  padding: 12px;
}

strong {
  display: block;
  border-left: 4px solid #1f5d3e;
  padding: 10px;
  font-size: clamp(15px,5vw,20px);
  font-weight: 500;
}


.list  p {
  padding-top: 15px;
}


.forms {
  height: 79rem;
  width: 100%;
  margin-top: 4rem;
  border: 0;
}