/* ==========================================================
   株式会社もみじ コーポレートサイト
   ========================================================== */

:root {
  --c-red: #a8322c;
  --c-red-dark: #7e2420;
  --c-amber: #d9913a;
  --c-ink: #26211f;
  --c-text: #3d3733;
  --c-muted: #8a817b;
  --c-paper: #faf6f0;
  --c-cream: #f3ece2;
  --c-white: #ffffff;
  --c-line: #e6ddd1;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --font-serif: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--c-text);
  background: var(--c-paper);
  line-height: 1.9;
  font-size: 16px;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  max-width: 100%;
  vertical-align: middle;
}

a {
  color: var(--c-red);
  text-decoration: none;
}

ul {
  list-style: none;
}

.wrap {
  width: min(1080px, 92%);
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 240, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-ink);
}

.brand .logo-leaf {
  width: 34px;
  height: 34px;
  color: var(--c-red);
  flex-shrink: 0;
}

.brand-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.global-nav ul {
  display: flex;
  align-items: center;
  gap: 34px;
}

.global-nav a {
  color: var(--c-ink);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 0;
  position: relative;
}

.global-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--c-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}

.global-nav a:hover::after,
.global-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.global-nav a.nav-cta {
  background: var(--c-red);
  color: #fff;
  padding: 10px 26px;
  border-radius: 999px;
  transition: background 0.25s;
}

.global-nav a.nav-cta:hover {
  background: var(--c-red-dark);
}

.global-nav a.nav-cta::after {
  content: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  border: none;
  background: none;
  cursor: pointer;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 26px;
  height: 2px;
  margin-inline: auto;
  background: var(--c-ink);
  transition: transform 0.3s, opacity 0.3s;
}

/* ---------- hero (top) ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #fdfaf5 0%, var(--c-cream) 55%, #eddfce 100%);
  padding: clamp(80px, 14vh, 150px) 0 clamp(70px, 12vh, 130px);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-catch {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 5.5vw, 3.6rem);
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: 0.12em;
  line-height: 1.5;
}

.hero-catch .accent {
  color: var(--c-red);
}

.hero-lead {
  margin-top: 28px;
  max-width: 40em;
  color: var(--c-text);
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.deco-leaf {
  position: absolute;
  color: var(--c-red);
  opacity: 0.1;
  pointer-events: none;
}

.deco-leaf.a { width: 300px; height: 300px; top: -60px; right: -50px; transform: rotate(20deg); }
.deco-leaf.b { width: 160px; height: 160px; bottom: 30px; right: 22%; transform: rotate(-30deg); opacity: 0.08; }
.deco-leaf.c { width: 110px; height: 110px; top: 40px; left: -30px; transform: rotate(45deg); opacity: 0.07; }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  padding: 14px 40px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}

.btn-primary {
  background: var(--c-red);
  color: #fff;
}

.btn-primary:hover {
  background: var(--c-red-dark);
}

.btn-ghost {
  border: 1px solid var(--c-ink);
  color: var(--c-ink);
}

.btn-ghost:hover {
  border-color: var(--c-red);
  color: var(--c-red);
}

/* ---------- sections ---------- */

.section {
  padding: clamp(64px, 10vh, 110px) 0;
}

.section.alt {
  background: var(--c-white);
}

.section-head {
  margin-bottom: 48px;
}

.section-en {
  display: block;
  color: var(--c-red);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: 0.1em;
}

.section-lead {
  margin-top: 18px;
  max-width: 44em;
}

/* ---------- service cards ---------- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 14px;
  padding: 34px 28px;
  transition: box-shadow 0.3s, transform 0.3s;
}

.section.alt .service-card {
  background: var(--c-paper);
}

.service-card:hover {
  box-shadow: 0 14px 34px rgba(126, 36, 32, 0.1);
  transform: translateY(-4px);
}

.service-card .icon {
  width: 52px;
  height: 52px;
  color: var(--c-red);
  margin-bottom: 18px;
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--c-ink);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--c-muted);
}

.more-link {
  display: inline-block;
  margin-top: 36px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.more-link::after {
  content: "→";
  margin-left: 8px;
  transition: margin-left 0.25s;
}

.more-link:hover::after {
  margin-left: 14px;
}

/* ---------- about band ---------- */

.about-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-visual {
  position: relative;
  min-height: 300px;
  border-radius: 16px;
  background: linear-gradient(150deg, var(--c-red) 0%, var(--c-red-dark) 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-visual .big-leaf {
  width: 55%;
  color: #fff;
  opacity: 0.9;
}

.about-visual .leaf-shadow {
  position: absolute;
  width: 80%;
  color: #000;
  opacity: 0.08;
  transform: translate(12%, 14%) rotate(15deg);
}

/* ---------- news ---------- */

.news-list li {
  border-bottom: 1px solid var(--c-line);
}

.news-list li:first-child {
  border-top: 1px solid var(--c-line);
}

.news-item {
  display: flex;
  gap: 32px;
  padding: 22px 8px;
  align-items: baseline;
}

.news-date {
  color: var(--c-muted);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.news-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--c-red);
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: 2px 12px;
  white-space: nowrap;
}

/* ---------- CTA band ---------- */

.cta-band {
  background: linear-gradient(135deg, var(--c-red) 0%, var(--c-red-dark) 100%);
  color: #fff;
  text-align: center;
  padding: clamp(56px, 9vh, 90px) 0;
  position: relative;
  overflow: hidden;
}

.cta-band .deco-leaf {
  color: #fff;
  opacity: 0.08;
}

.cta-band h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  letter-spacing: 0.12em;
  margin-bottom: 14px;
  position: relative;
}

.cta-band p {
  opacity: 0.9;
  margin-bottom: 32px;
  position: relative;
}

.cta-band .btn {
  background: #fff;
  color: var(--c-red);
  position: relative;
}

.cta-band .btn:hover {
  background: var(--c-cream);
}

/* ---------- page hero (下層) ---------- */

.page-hero {
  background: linear-gradient(160deg, #fdfaf5 0%, var(--c-cream) 100%);
  padding: clamp(56px, 9vh, 90px) 0;
  position: relative;
  overflow: hidden;
}

.page-hero .section-en {
  font-size: 0.85rem;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--c-ink);
  letter-spacing: 0.12em;
}

/* ---------- services page ---------- */

.service-detail {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 28px;
  padding: 44px 0;
  border-bottom: 1px solid var(--c-line);
}

.service-detail:last-of-type {
  border-bottom: none;
}

.service-num {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--c-red);
  letter-spacing: 0.05em;
  line-height: 1.2;
}

.service-num small {
  display: block;
  font-size: 0.7rem;
  color: var(--c-muted);
  letter-spacing: 0.2em;
}

.service-detail h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--c-ink);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.service-detail .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.service-detail .tags span {
  font-size: 0.78rem;
  color: var(--c-red-dark);
  background: var(--c-cream);
  border-radius: 999px;
  padding: 4px 14px;
}

.service-note {
  margin-top: 40px;
  font-size: 0.88rem;
  color: var(--c-muted);
}

/* ---------- company page ---------- */

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 20px 16px;
  border-bottom: 1px solid var(--c-line);
  text-align: left;
  vertical-align: top;
  font-weight: 400;
}

.company-table tr:first-child th,
.company-table tr:first-child td {
  border-top: 1px solid var(--c-line);
}

.company-table th {
  width: 180px;
  color: var(--c-ink);
  font-weight: 700;
  white-space: nowrap;
}

.company-table ul li {
  padding-left: 1.2em;
  text-indent: -1.2em;
}

.company-table ul li::before {
  content: "・";
  color: var(--c-red);
}

.history-list {
  border-left: 2px solid var(--c-line);
  padding-left: 32px;
  display: grid;
  gap: 28px;
}

.history-list li {
  position: relative;
}

.history-list li::before {
  content: "";
  position: absolute;
  left: -39px;
  top: 10px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-red);
}

.history-date {
  font-family: var(--font-serif);
  color: var(--c-red-dark);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.map-frame {
  width: 100%;
  aspect-ratio: 16 / 8;
  border: 1px solid var(--c-line);
  border-radius: 14px;
  overflow: hidden;
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.access-note {
  margin-top: 16px;
  font-size: 0.92rem;
  color: var(--c-muted);
}

/* ---------- contact page ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 22px;
}

.form-field label {
  display: block;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--c-ink);
  margin-bottom: 8px;
}

.form-field .req {
  color: var(--c-red);
  font-size: 0.75rem;
  margin-left: 8px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  font: inherit;
  padding: 13px 16px;
  border: 1px solid var(--c-line);
  border-radius: 10px;
  background: var(--c-white);
  color: var(--c-text);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--c-red);
  box-shadow: 0 0 0 3px rgba(168, 50, 44, 0.12);
}

.form-note {
  font-size: 0.85rem;
  color: var(--c-muted);
}

/* honeypot（スパムボット対策の不可視フィールド） */
.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-aside {
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 14px;
  padding: 32px 28px;
}

.contact-aside h2 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--c-ink);
  margin-bottom: 14px;
}

.contact-aside p {
  font-size: 0.92rem;
}

.contact-aside .addr {
  margin-top: 10px;
  color: var(--c-muted);
  font-style: normal;
}

/* ---------- footer ---------- */

.site-footer {
  background: var(--c-ink);
  color: #d9d2ca;
  padding: 56px 0 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-brand .brand {
  color: #fff;
}

.footer-brand .logo-leaf {
  width: 30px;
  height: 30px;
  color: var(--c-amber);
}

.footer-brand address {
  font-style: normal;
  font-size: 0.88rem;
  color: #a89f96;
}

.footer-brand address a {
  color: #d9d2ca;
}

.footer-brand address a:hover {
  color: #fff;
}

.footer-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-nav a {
  color: #d9d2ca;
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: #fff;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
  padding: 20px 0;
  font-size: 0.8rem;
  color: #a89f96;
  letter-spacing: 0.08em;
}

/* ---------- reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  :root {
    --header-h: 62px;
  }

  .nav-toggle {
    display: flex;
    z-index: 120;
  }

  .global-nav {
    position: fixed;
    inset: 0;
    background: rgba(38, 33, 31, 0.96);
    display: grid;
    place-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 110;
  }

  body.nav-open .global-nav {
    opacity: 1;
    visibility: visible;
  }

  body.nav-open {
    overflow: hidden;
  }

  .global-nav ul {
    flex-direction: column;
    gap: 30px;
    text-align: center;
  }

  .global-nav a {
    color: #fff;
    font-size: 1.15rem;
  }

  body.nav-open .nav-toggle span:not(.sr-only) {
    background: #fff;
  }

  body.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

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

  body.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .about-band,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .service-detail {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .company-table th {
    width: 120px;
  }

  .news-item {
    flex-wrap: wrap;
    gap: 12px;
  }
}