@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600&family=Noto+Serif+JP:wght@400;500;600;700&display=swap");
:root {
  color-scheme: only light;
  --forest: #173f35;
  --deep: #0d2b24;
  --moss: #839a52;
  --sand: #e8e2d3;
  --paper: #f8f7f1;
  --serif: "Noto Serif JP", serif;
  --sans: "Manrope", "Hiragino Kaku Gothic ProN", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--deep);
  font-family: var(--sans);
  line-height: 1.85;
}
.proposal-note {
  background: var(--deep);
  color: #c8d4bf;
  padding: 12px 6%;
  font-size: 0.8rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
}
.proposal-note p {
  margin: 2px 0;
}
.proposal-note p:last-child {
  color: #9fb09f;
}
.nav-toggle {
  display: none;
}
img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
header {
  height: 89px;
  padding: 0 6%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--paper);
}
.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--deep);
  text-decoration: none;
}
.brand span {
  font-size: 0.59rem;
  line-height: 1.15;
  letter-spacing: 0.16em;
  color: var(--moss);
  font-weight: 600;
}
.brand b {
  font-family: var(--serif);
  font-size: 1.28rem;
}
.header-info {
  display: flex;
  gap: 26px;
  align-items: center;
  font-size: 0.82rem;
  color: #69736a;
}
.header-info a {
  color: var(--forest);
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
}
nav {
  display: flex;
  padding: 0 6%;
  background: var(--forest);
  position: relative;
  z-index: 30;
}
.nav-item {
  padding: 17px 20px;
  color: #f6f5ed;
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.04em;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.18);
  background: none;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  line-height: 1;
}
.nav-parent::after {
  content: "▾";
  font-size: 0.72em;
  opacity: 0.85;
}
.nav-group {
  position: relative;
  display: flex;
}
.nav-sub {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 210px;
  background: var(--deep);
  display: none;
  flex-direction: column;
  z-index: 40;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
}
.nav-group:hover .nav-sub {
  display: flex;
}
.nav-sub a {
  padding: 14px 22px;
  color: #e7ecdf;
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  white-space: nowrap;
}
.nav-sub a:hover {
  background: var(--forest);
  color: #fff;
}
nav .contact-link {
  margin-left: auto;
  padding: 17px 26px;
  background: var(--moss);
  color: #132c20;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
}
.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  min-height: 640px;
  background: var(--forest);
  color: #fff;
}
.hero-image {
  min-height: 480px;
  position: relative;
}
.hero-image:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 55%, var(--forest));
}
.hero-image span {
  position: absolute;
  left: 7%;
  bottom: 8%;
  z-index: 1;
  color: #fff;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}
.hero-copy {
  padding: 96px 11% 72px 4%;
  position: relative;
  z-index: 1;
}
.label {
  margin: 0 0 15px;
  color: var(--moss);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  font-weight: 600;
}
.hero h1,
.lead h2,
.about h2,
.contact h2 {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: 1.45;
  margin: 0;
}
.hero h1 {
  font-size: clamp(2.45rem, 4.3vw, 4.8rem);
}
.hero h1 em {
  color: #c5d995;
  font-style: normal;
}
.hero-copy > p:not(.label) {
  margin: 24px 0 34px;
  color: #dbe5d7;
  font-size: 1.125rem;
}
.hero-copy a {
  display: inline-flex;
  gap: 30px;
  padding-bottom: 8px;
  color: #fff;
  border-bottom: 1px solid var(--moss);
  text-decoration: none;
  font-size: 1rem;
}
.lead {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 12%;
  padding: 112px max(7%, calc((100vw - 1150px) / 2));
  background: #fff;
}
.lead h2 {
  font-size: clamp(1.9rem, 3.4vw, 3.6rem);
}
.lead > p:not(.label) {
  grid-column: 2;
  margin: 0;
  color: #56665c;
  font-size: 1.125rem;
}
.services {
  background: #f1eee6;
}
.services-label {
  display: block;
  text-align: center;
  margin: 0 0 46px;
  color: var(--moss);
}
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}
.svc-card {
  background: #fff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 24px rgba(20, 50, 40, 0.07);
}
.svc-img {
  height: 220px;
  overflow: hidden;
}
.svc-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.svc-card:hover .svc-img img {
  transform: scale(1.06);
}
.svc-panel {
  background: linear-gradient(150deg, var(--forest), var(--deep));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--moss);
}
.svc-panel svg {
  width: 50px;
  height: 50px;
}
.svc-panel span {
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  color: #9fb08a;
}
.svc-body {
  padding: 26px 26px 30px;
}
.svc-no {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--moss);
  font-weight: 600;
}
.svc-body h3 {
  font-family: var(--serif);
  font-size: 1.32rem;
  margin: 9px 0 13px;
  color: var(--deep);
  line-height: 1.4;
}
.svc-body p {
  margin: 0;
  font-size: 1.125rem;
  color: #54625a;
  line-height: 1.85;
}
.works {
  background: #fff;
}
.works-intro {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 40px;
  color: #56665c;
  font-size: 1.125rem;
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.work {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  cursor: pointer;
  display: block;
  transition: filter 0.3s;
}
.work:hover {
  filter: brightness(1.07);
}
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(8, 20, 16, 0.93);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 5vw;
}
.lightbox.open {
  display: flex;
}
.lightbox img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 88vh;
  object-fit: contain;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.lb-close {
  position: absolute;
  top: 18px;
  right: 30px;
  color: #fff;
  font-size: 2.6rem;
  line-height: 1;
  cursor: pointer;
}
@media (max-width: 1024px) {
  .svc-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .works-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}
.section {
  padding: 110px max(7%, calc((100vw - 1150px) / 2));
}
.about {
  padding: 110px max(7%, calc((100vw - 1150px) / 2));
  background: #f1eee6;
}
.about-greeting {
  max-width: 820px;
  margin: 0 auto 60px;
  text-align: center;
}
.about-greeting h2 {
  font-size: clamp(1.7rem, 3vw, 2.9rem);
  line-height: 1.5;
  margin: 0 0 24px;
  color: var(--deep);
}
.about-greeting > p {
  margin: 0 auto;
  color: #54625a;
  font-size: 1.125rem;
  max-width: 700px;
  text-align: left;
  line-height: 1.95;
}
.about-greeting .rep {
  margin-top: 24px;
  font-size: 0.95rem;
  color: #3a4a3e;
  font-weight: 600;
  text-align: center;
  max-width: none;
}
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  max-width: 1080px;
  margin: 0 auto;
}
.about-block h3 {
  font-family: var(--serif);
  font-size: 1.32rem;
  color: var(--deep);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--moss);
  display: inline-block;
}
.about-block dl {
  margin: 0;
  font-size: 1.125rem;
  overflow: hidden;
}
.about-block dt {
  float: left;
  clear: left;
  width: 104px;
  color: #637b40;
  font-weight: 600;
  padding: 8px 0;
}
.about-block dd {
  margin: 0 0 0 104px;
  padding: 8px 0;
  color: #48564d;
  border-bottom: 1px solid #dcd8cb;
}
.about-block > p {
  color: #54625a;
  font-size: 1.125rem;
  margin: 0 0 14px;
}
.about-block .map {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #e4e0d3;
}
.about-block .map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.about-block .maplink {
  display: inline-block;
  margin-top: 12px;
  color: var(--forest);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-bottom: 1px solid var(--moss);
}
.about-recruit {
  max-width: 1080px;
  margin: 56px auto 0;
  background: #fff;
  padding: 32px 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 40px;
  box-shadow: 0 8px 24px rgba(20, 50, 40, 0.06);
}
.about-recruit h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  color: var(--deep);
  margin: 0 0 8px;
}
.about-recruit > div {
  flex: 1 1 360px;
}
.about-recruit p {
  margin: 0;
  color: #54625a;
  font-size: 1.125rem;
}
.about-recruit a {
  background: var(--forest);
  color: #fff;
  padding: 14px 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  white-space: nowrap;
}
.contact {
  padding: 90px 7%;
  background: var(--moss);
  text-align: center;
}
.contact .label {
  color: #244636;
}
.contact h2 {
  font-size: clamp(2rem, 3.5vw, 3.6rem);
}
.contact > p:not(.label) {
  font-size: 1.125rem;
}
.contact a {
  display: inline-block;
  margin-top: 14px;
  color: var(--deep);
  font-size: clamp(1.7rem, 3.5vw, 2.9rem);
  font-weight: 600;
  text-decoration: none;
}
.contact a.tel span {
  display: block;
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.12em;
}
.contact .sns-lead {
  margin: 38px 0 0;
  font-size: 0.95rem;
  color: #254736;
}
.contact .sns {
  display: flex;
  gap: 40px;
  justify-content: center;
  margin-top: 18px;
  flex-wrap: wrap;
}
.contact .sns-ico {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: #244636;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.contact .sns-ico img {
  width: 48px;
  height: 48px;
  transition: transform 0.2s;
}
.contact .sns-ico:hover img {
  transform: translateY(-3px);
}
.foot-sns {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
}
.foot-sns a {
  display: inline-flex;
}
.foot-sns img {
  width: 26px;
  height: 26px;
  display: block;
}
footer {
  padding: 28px 6%;
  background: var(--deep);
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
}
footer p {
  margin: 6px 0;
  line-height: 1.75;
}
.foot-copy {
  color: #9fb09f;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
}
.foot-note {
  color: #a9b7a6;
  letter-spacing: 0.02em;
  font-size: 0.78rem;
  max-width: 920px;
}
@media (max-width: 760px) {
  .proposal-note {
    font-size: 0.76rem;
    padding: 12px 6%;
  }
  header {
    height: auto;
    padding: 15px 6%;
    display: block;
    position: relative;
  }
  .header-info {
    margin-top: 10px;
    gap: 12px;
  }
  .header-info span {
    display: none;
  }
  .brand {
    gap: 10px;
  }
  .brand b {
    font-size: 0.98rem;
  }
  .brand span {
    font-size: 0.5rem;
  }
  .nav-toggle {
    display: block;
    position: absolute;
    top: 14px;
    right: 6%;
    background: var(--forest);
    color: #fff;
    border: 0;
    padding: 9px 15px;
    font-size: 0.78rem;
    font-family: var(--sans);
    letter-spacing: 0.1em;
    cursor: pointer;
  }
  nav {
    display: none;
    flex-direction: column;
    padding: 0;
  }
  nav.open {
    display: flex;
  }
  .nav-item {
    width: 100%;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    padding: 16px 7%;
    font-size: 1.08rem;
    justify-content: space-between;
  }
  .nav-group {
    display: block;
  }
  .nav-sub {
    position: static;
    min-width: 0;
    background: rgba(0, 0, 0, 0.2);
    box-shadow: none;
  }
  .nav-group:hover .nav-sub,
  .nav-group:focus-within .nav-sub {
    display: none;
  }
  .nav-group.open .nav-sub {
    display: flex;
  }
  .nav-sub a {
    padding: 14px 10%;
    font-size: 1rem;
    white-space: normal;
  }
  .nav-parent::after {
    content: "＋";
    opacity: 0.7;
  }
  .nav-group.open .nav-parent::after {
    content: "−";
  }
  nav .contact-link {
    margin: 0;
    width: 100%;
    justify-content: center;
    padding: 17px;
  }
  .hero {
    display: flex;
    min-height: 640px;
    position: relative;
  }
  .hero-image {
    position: absolute;
    inset: 0;
    opacity: 0.43;
  }
  .hero-image span {
    display: none;
  }
  .hero-image:after {
    background: linear-gradient(0deg, var(--forest), transparent);
  }
  .hero-copy {
    padding: 78px 8% 47px;
    align-self: end;
  }
  .lead {
    display: block;
    padding: 72px 7%;
  }
  .lead > p:not(.label) {
    margin-top: 23px;
  }
  .section {
    padding: 72px 7%;
  }
  .svc-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .svc-img {
    height: 200px;
  }
  .services-label {
    margin-bottom: 32px;
  }
  .about {
    padding: 72px 7%;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }
  .about-recruit {
    padding: 26px 22px;
    gap: 16px;
  }
  .about-recruit a {
    width: 100%;
    text-align: center;
  }
  .contact {
    padding: 65px 7%;
  }
}