:root {
  --ink: #17202b;
  --muted: rgba(23, 32, 43, .68);
  --green: #446f63;
  --green-soft: #edf4f0;
  --line: rgba(23, 32, 43, .11);
  --paper: #f8f8f5;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  height: 86px;
  padding: 0 clamp(28px, 5.5vw, 82px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid rgba(23,32,43,.07);
}
.brand {
   display: inline-flex; flex-direction: column; line-height: 1; 
  }
.brand span {
    font-size: 22px;
    font-weight: 500;
    letter-spacing: .05em;
    color: #355f56;
  }
.brand small { margin-top: 7px; font-size: 9px; letter-spacing: .19em; color: var(--muted); }
.nav { display: flex; gap: clamp(22px, 3vw, 42px); }
.nav a {
  padding: 31px 0 27px;
  font-size: 13px;
  color: rgba(23,32,43,.66);
  border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a.active { color: var(--green); border-bottom-color: var(--green); }

.hero {
  position: relative;
  height: clamp(520px, 58vw, 680px);
  min-height: 520px;
  overflow: hidden;
  background: #dce8e2;
}
.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 50%;
}
.hero-wash {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,.94) 0%, rgba(255,255,255,.78) 24%, rgba(255,255,255,.20) 49%, rgba(255,255,255,0) 68%),
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(8,19,18,.04));
}
.hero-copy {
  position: relative;
  z-index: 1;
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
  padding-top: clamp(76px, 8vw, 112px);
  max-width: 1160px;
}
.eyebrow {
  margin: 0 0 16px;
  color: var(--green);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.hero .eyebrow { font-family: Georgia, "Times New Roman", serif; text-transform: none; font-size: 18px; letter-spacing: .02em; }
.hero h1 {
  margin: 0 0 25px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(42px, 4.7vw, 66px);
  font-weight: 300;
  letter-spacing: .04em;
}
.hero-text {
  margin: 0 0 22px;
  max-width: 470px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(14px, 1.35vw, 17px);
  line-height: 1.95;
  color: rgba(23,32,43,.82);
}
.hero-note {
  margin: 30px 0 0;
  color: var(--green);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 500;
}

.section { padding: clamp(72px, 7vw, 100px) clamp(24px, 7vw, 110px); }
.concept {
  display: grid;
  grid-template-columns: minmax(300px, .9fr) minmax(460px, 1.15fr);
  gap: clamp(52px, 8vw, 120px);
  align-items: center;
  background: #fff;
}
.concept-copy { max-width: 560px; }
.concept-copy h2 {
  margin: 0 0 28px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 300;
  line-height: 1.55;
  letter-spacing: .02em;
}
.concept-copy > p:not(.eyebrow) {
  margin: 0 0 14px;
  color: var(--muted);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 15px;
  line-height: 1.95;
}
.outline-link {
  display: inline-block;
  margin-top: 24px;
  padding: 13px 18px;
  border: 1px solid rgba(68,111,99,.45);
  color: var(--green);
  font-size: 12px;
  letter-spacing: .04em;
}
.outline-link span { margin-left: 20px; }

.concept-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
}
.concept-item {
  min-height: 180px;
  padding: 30px 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.concept-item svg {
  width: 36px;
  height: 36px;
  fill: none;
  stroke: var(--green);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.concept-item h3 {
  margin: 16px 0 8px;
  color: var(--green);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 15px;
  font-weight: 500;
}
.concept-item p {
  margin: 0;
  color: var(--muted);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 13px;
  line-height: 1.75;
}

.stories { background: var(--paper); border-top: 1px solid rgba(23,32,43,.06); }
.section-heading-line {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-bottom: 28px;
}
.section-heading-line::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.section-heading-line h2 {
  margin: 0;
  color: var(--green);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  font-weight: 400;
}
.story-row {
  display: grid;
  grid-template-columns: minmax(190px,.62fr) minmax(300px,1.12fr) minmax(260px,.8fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: stretch;
}
.story-thumb {
  margin: 0;
  min-height: 210px;
  overflow: hidden;
  background: #d9e3dd;
}
.story-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center 54%; }
.story-preview { padding: 8px 0 4px; }
.story-preview .chapter { margin: 0 0 10px; color: var(--green); font-size: 12px; letter-spacing: .06em; }
.story-preview h3 {
  margin: 0 0 18px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(22px, 2.1vw, 30px);
  font-weight: 400;
}
.story-preview > p:not(.eyebrow):not(.chapter) {
  margin: 0 0 18px;
  color: var(--muted);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  line-height: 1.9;
}
.coming { display: inline-block; margin-top: 8px; color: rgba(23,32,43,.50); font-size: 12px; }
.about-story {
  padding: 28px;
  background: #fff;
  border: 1px solid rgba(23,32,43,.07);
}
.about-story p:not(.eyebrow) {
  margin: 0 0 14px;
  color: var(--muted);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 13px;
  line-height: 1.85;
}

.quote-section {
  padding: 64px 24px 72px;
  text-align: center;
  background: #fff;
}
.quote-section blockquote {
  margin: 0 auto;
  color: rgba(68,111,99,.88);
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(21px, 2.5vw, 34px);
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: .04em;
}

.site-footer {
  display:grid;
  grid-template-columns:1fr 1fr auto;
  gap:40px;
  align-items:end;
  padding:38px 5vw;
  background:#eef6f2;
  color:#476f66;
}

.footer-brand strong,
.footer-project strong{
  display:block;
  font-weight:500;
  letter-spacing:.04em;
}

.footer-nav{
  display:flex;
  gap:16px;
  margin-top:6px;
}

.footer-nav a {
  font-size: 12px;
  color: inherit;
  text-decoration: none;
}

.footer-project a{
  color:inherit;
  text-decoration:none;
}

.footer-project span{
  display:block;
  margin-top:5px;
  font-size:12px;
  color:#74847f;
}

.site-footer small{
  color:#7d8985;
  font-size:11px;
}

@media (max-width: 900px) {
  .concept { grid-template-columns: 1fr; }
  .story-row { grid-template-columns: minmax(180px,.8fr) 1.4fr; }
  .about-story { grid-column: 1 / -1; }
  .hero-wash { background: linear-gradient(90deg, rgba(255,255,255,.93), rgba(255,255,255,.64) 40%, rgba(255,255,255,.05) 72%); }
}

@media (max-width: 720px) {
  .site-header { height: 72px; }
  .nav { gap: 16px; }
  .nav a { padding: 25px 0 22px; font-size: 11px; }
  .brand small { display: none; }
  .hero { height: 620px; min-height: 620px; }
  .hero > img { object-position: 61% center; }
  .hero-wash {
    background: linear-gradient(180deg, rgba(255,255,255,.89) 0%, rgba(255,255,255,.73) 54%, rgba(255,255,255,.16) 82%, rgba(255,255,255,.03));
  }
  .hero-copy { width: calc(100% - 40px); padding-top: 62px; }
  .hero-text { max-width: 88%; }
  .concept-grid { grid-template-columns: 1fr 1fr; }
  .story-row { grid-template-columns: 1fr; }
  .story-thumb { min-height: 240px; }
  .about-story { grid-column: auto; }

  .site-footer{
    grid-template-columns:1fr;
    gap:24px;
  }
  .footer-nav{
    flex-wrap:wrap;
  }
}

@media (max-width: 520px) {
  .nav a:nth-child(1), .nav a:nth-child(2) { display: none; }
  .hero h1 { font-size: 38px; }
  .hero-text { font-size: 13px; }
  .concept-grid { grid-template-columns: 1fr; }
  .concept-item { min-height: 150px; }
  .quote-section blockquote br { display: none; }
}