/* ===========================
   Reset & Base
=========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --base: #FAFAF8;
  --navy: #1A1A2E;
  --terracotta: #C9956C;
  --text: #2D2D2D;
  --text-light: #6B6B6B;
  --white: #FFFFFF;
  --font-serif: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--base);
  color: var(--text);
  font-weight: 300;
  line-height: 1.8;
  font-size: 15px;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ===========================
   Header
=========================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: var(--navy);
  transition: box-shadow 0.3s;
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.15em;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-list a {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

.nav-list a:hover {
  color: var(--white);
}

.nav-cta {
  background: var(--terracotta);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 2px;
  font-size: 12px !important;
  letter-spacing: 0.1em;
  transition: opacity 0.2s !important;
}

.nav-cta:hover {
  opacity: 0.85;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--white);
  transition: all 0.3s;
}

/* ===========================
   Hero
=========================== */
.hero {
  background-color: var(--navy);
  min-height: 100vh;
  padding-top: 64px;
  display: flex;
  align-items: center;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-sub {
  font-size: 11px;
  color: var(--terracotta);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero-catch {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 300;
  color: var(--white);
  line-height: 1.5;
  letter-spacing: 0.05em;
  margin-bottom: 28px;
}

.hero-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 2;
  margin-bottom: 40px;
  letter-spacing: 0.05em;
}

.btn-primary {
  display: inline-block;
  background: var(--terracotta);
  color: var(--white);
  padding: 14px 36px;
  font-size: 13px;
  letter-spacing: 0.15em;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  font-family: var(--font-sans);
  font-weight: 400;
}

.btn-primary:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

/* Hero Mockup */
.hero-visual {
  position: relative;
}

.hero-mockup {
  position: relative;
}

.mockup-screen {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  overflow: hidden;
}

.mockup-browser {
  padding: 20px;
}

.mockup-dots {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.mockup-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}

.mockup-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mockup-line {
  height: 8px;
  background: rgba(255,255,255,0.1);
  border-radius: 4px;
}

.mockup-line.wide { width: 80%; }
.mockup-line.medium { width: 60%; }
.mockup-line.short { width: 40%; }

.mockup-block {
  height: 120px;
  background: rgba(201,149,108,0.15);
  border-radius: 4px;
  margin: 4px 0;
}

/* Plants */
.hero-plant {
  position: absolute;
  border-radius: 50%;
  opacity: 0.6;
}

.plant-1 {
  width: 80px;
  height: 80px;
  background: radial-gradient(circle at 40% 60%, #4a7c59, #2d5a3d);
  bottom: -20px;
  right: 20px;
  border-radius: 60% 40% 55% 45% / 50% 60% 40% 50%;
}

.plant-2 {
  width: 50px;
  height: 50px;
  background: radial-gradient(circle at 40% 60%, #6aab7b, #3d7a52);
  top: 20px;
  right: -10px;
  border-radius: 50% 60% 40% 55% / 60% 40% 55% 45%;
}

/* ===========================
   Section Common
=========================== */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 100px 40px;
}

.section-label {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--terracotta);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 300;
  line-height: 1.6;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}

.section-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 2;
  max-width: 600px;
  margin-bottom: 60px;
}

/* ===========================
   About
=========================== */
.about {
  background-color: var(--base);
}

.about .section-desc {
  max-width: 680px;
  margin-bottom: 64px;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.value-item {
  border-top: 1px solid rgba(0,0,0,0.08);
  padding-top: 28px;
}

.value-icon {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--terracotta);
  font-weight: 300;
  margin-bottom: 16px;
  opacity: 0.7;
}

.value-item h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 300;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.value-item p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.9;
}

/* ===========================
   Services
=========================== */
.services {
  background-color: #F2F0ED;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.service-card {
  background: var(--white);
  padding: 48px 36px;
  transition: transform 0.3s;
}

.service-card:hover {
  transform: translateY(-4px);
}

.service-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 300;
  color: var(--terracotta);
  opacity: 0.5;
  margin-bottom: 20px;
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 300;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.service-card p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 24px;
}

.service-list li {
  font-size: 12px;
  color: var(--text-light);
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-list li::before {
  content: '';
  width: 16px;
  height: 1px;
  background: var(--terracotta);
  flex-shrink: 0;
}

/* ===========================
   Works
=========================== */
.works {
  background-color: var(--base);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
}

.work-item {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.work-img {
  height: 220px;
  background: linear-gradient(135deg, #e8e4de, #d5cfc7);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.work-img::after {
  content: 'Coming Soon';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(0,0,0,0.3);
  text-transform: uppercase;
}

.work-tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--terracotta);
  border: 1px solid var(--terracotta);
  padding: 4px 10px;
  margin-bottom: 12px;
}

.work-info h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 300;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.work-info p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.9;
}

/* ===========================
   Price
=========================== */
.price {
  background-color: var(--navy);
}

.price .section-label {
  color: rgba(201,149,108,0.8);
}

.price .section-title {
  color: var(--white);
}

.price .section-desc {
  color: rgba(255,255,255,0.5);
}

.price-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-bottom: 24px;
}

.price-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 48px 36px;
  position: relative;
  transition: background 0.3s;
}

.price-card:hover {
  background: rgba(255,255,255,0.07);
}

.price-card.featured {
  background: rgba(201,149,108,0.12);
  border-color: rgba(201,149,108,0.3);
}

.featured-label {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--terracotta);
  border: 1px solid var(--terracotta);
  padding: 4px 10px;
}

.price-card h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.price-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 8px;
}

.price-num span {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
}

.price-note {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 28px;
  line-height: 1.6;
}

.price-list li {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-list li::before {
  content: '';
  width: 16px;
  height: 1px;
  background: var(--terracotta);
  flex-shrink: 0;
}

.price-note-bottom {
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  text-align: center;
  letter-spacing: 0.05em;
}

/* ===========================
   Contact
=========================== */
.contact {
  background-color: var(--base);
}

.contact-form {
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.required {
  font-size: 10px;
  color: var(--terracotta);
  border: 1px solid var(--terracotta);
  padding: 2px 6px;
  letter-spacing: 0.1em;
}

.form-group input,
.form-group textarea {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.1);
  padding: 14px 16px;
  font-size: 14px;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--text);
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--terracotta);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(0,0,0,0.25);
}

.form-group textarea {
  resize: vertical;
}

/* ===========================
   Footer
=========================== */
.footer {
  background-color: var(--navy);
  padding: 60px 40px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}

.footer-company {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
}

.footer-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 8px 0;
}

.footer-nav a {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: rgba(255,255,255,0.8);
}

.footer-copy {
  font-size: 10px;
  color: rgba(255,255,255,0.2);
  letter-spacing: 0.1em;
  margin-top: 8px;
}

/* ===========================
   Responsive
=========================== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 60px 24px;
  }

  .hero-visual {
    display: none;
  }

  .about-values {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .service-cards {
    grid-template-columns: 1fr;
  }

  .works-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .price-cards {
    grid-template-columns: 1fr;
  }

  .header-inner {
    padding: 0 24px;
  }

  .nav-list {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--navy);
    flex-direction: column;
    gap: 0;
    padding: 16px 0;
  }

  .nav-list.open {
    display: flex;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-list a {
    display: block;
    padding: 16px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .nav-cta {
    margin: 16px 24px 0;
    text-align: center;
    display: block;
  }

  .hamburger {
    display: flex;
  }

  .section-inner {
    padding: 72px 24px;
  }
}

@media (max-width: 600px) {
  .hero-catch {
    font-size: 30px;
  }

  .footer-nav {
    gap: 16px;
  }
}