:root {
  --green: #295599;
  --green-light: #29559915;
  --green-mid: #29559940;
  --dark: #1A1A1A;
  --gray: #888888;
  --gray-light: #C8C8C8;
  --cream: #FAFAF8;
  --white: #FFFFFF;
  --serif-jp: 'Noto Serif JP', 'Yu Mincho', serif;
  --serif-en: 'Cormorant Garamond', serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--serif-jp);
  color: var(--dark);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 6rem 10vw 5rem;
  position: relative;
  overflow: hidden;
}

.hero-top-line {
  width: 100%;
  height: 3px;
  background: var(--green);
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  width: 100%;
  text-align: left;
}

.hero-visual {
  margin: 2.5rem 0;
  margin-left: -10vw;
  width: 100vw;
  max-width: none;
  opacity: 0;
  animation: fadeIn 1.4s 0.6s forwards;
}

.hero-visual img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-tag {
  font-family: var(--serif-en);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--green);
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 1s 0.3s forwards;
  font-variant-numeric: lining-nums;
  line-height: 1.2;
  display: block;
}

.hero-tag .season-num {
  font-weight: 500;
  display: block;
  font-size: 0.85em;
  margin-top: 0.3em;
}

.hero-title {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  opacity: 0;
  animation: fadeUp 1s 0.5s forwards;
}

.hero-title em {
  font-style: normal;
  color: var(--green);
}

.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 300;
  color: #555;
  line-height: 2.2;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 1s 0.9s forwards;
  max-width: 680px;
}

.hero-cta {
  display: inline-block;
  font-family: var(--serif-jp);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  color: var(--white);
  background: var(--green);
  padding: 1.1rem 3rem;
  text-decoration: none;
  transition: all 0.4s ease;
  opacity: 0;
  animation: fadeUp 1s 1.1s forwards;
}

.hero-cta:hover {
  background: var(--dark);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 10vw;
  font-family: var(--serif-en);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--gray-light);
  text-transform: uppercase;
  writing-mode: vertical-rl;
  opacity: 0;
  animation: fadeUp 1s 1.4s forwards;
  z-index: 3;
}

.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: var(--gray-light);
  margin: 1rem auto 0;
  animation: scrollLine 2s infinite;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── CONCEPT ── */
.concept {
  padding: 8rem 10vw;
  background: var(--cream);
  position: relative;
}

.concept::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10vw;
  width: 60px;
  height: 3px;
  background: var(--green);
}

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.concept-left h2 {
  font-family: var(--serif-en);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.concept-left h2 span {
  color: var(--green);
}

.concept-left .jp-sub {
  font-size: 0.95rem;
  color: var(--gray);
  font-weight: 300;
  letter-spacing: 0.1em;
}

.concept-right p {
  font-size: clamp(1rem, 2.5vw, 1.1rem);
  line-height: 2.2;
  font-weight: 300;
  margin-bottom: 1.5rem;
}

.concept-right .accent {
  color: var(--green);
  font-weight: 400;
}

.concept-formula {
  margin-top: 2rem;
  padding: 2rem;
  border-left: 2px solid var(--green);
  background: var(--white);
}

.concept-formula .op {
  font-family: var(--serif-en);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--green);
  margin-bottom: 0.5rem;
}

.concept-formula .desc {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 2;
}

/* ── PROGRAM ── */
.program {
  padding: 8rem 10vw;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-header .en {
  font-family: var(--serif-en);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.section-header .jp {
  font-size: 0.95rem;
  color: var(--gray);
  letter-spacing: 0.15em;
}

.program-meta {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-bottom: 5rem;
  flex-wrap: wrap;
}

.meta-item {
  text-align: center;
}

.meta-item .num {
  font-family: var(--serif-en);
  font-size: 2rem;
  font-weight: 300;
  color: var(--green);
  font-variant-numeric: lining-nums;
}

.meta-item .label {
  font-size: 0.9rem;
  color: var(--gray);
  margin-top: 0.3rem;
  letter-spacing: 0.1em;
}

.stages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* ── TIMELINE ── */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-bottom: 5rem;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--green-mid);
  transform: translateY(-50%);
  z-index: 0;
}

.timeline-item {
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 0.5rem;
}

.timeline-item::before {
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  margin: 0 auto 1rem;
}

.tl-stage {
  font-family: var(--serif-en);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--green);
  font-variant-numeric: lining-nums;
  margin-bottom: 0.4rem;
}

.tl-event {
  font-size: 1rem;
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 0.3rem;
}

.tl-date {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--gray);
}

@media (max-width: 900px) {
  .timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding-left: 1.5rem;
    border-left: 1px solid var(--green-mid);
    margin-left: 1rem;
  }
  .timeline::before {
    display: none;
  }
  .timeline-item {
    text-align: left;
    padding: 0 0 2rem 1.5rem;
    position: relative;
  }
  .timeline-item::before {
    position: absolute;
    left: -1.8rem;
    top: 0.2rem;
    margin: 0;
    width: 9px;
    height: 9px;
  }
}

.stage-card {
  padding: 2.5rem 2rem;
  border: 1px solid #e8e8e8;
  position: relative;
  transition: all 0.4s ease;
}

.stage-card:hover {
  border-color: var(--green);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(13,124,102,0.08);
}

.stage-card.final {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--white);
}

.stage-num {
  font-family: var(--serif-en);
  font-size: 1.15rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1.5rem;
  font-variant-numeric: lining-nums;
  font-weight: 400;
}

.stage-card.final .stage-num {
  color: #D4E5FF;
}

.stage-title {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.stage-price {
  font-family: var(--serif-en);
  font-size: 0.95rem;
  color: var(--gray);
  margin-bottom: 1.5rem;
  font-variant-numeric: lining-nums;
}

.stage-card.final .stage-price {
  color: #999;
}

.stage-divider {
  width: 30px;
  height: 1px;
  background: var(--green-mid);
  margin-bottom: 1.5rem;
}

.stage-desc {
  font-size: 0.95rem;
  line-height: 2;
  font-weight: 300;
  color: var(--gray);
}

.stage-card.final .stage-desc {
  color: #aaa;
}

.stage-op {
  margin-top: 1.5rem;
  font-family: var(--serif-en);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--green);
}

.stage-card.final .stage-op {
  color: #D4E5FF;
}

/* ── WHAT YOU GET ── */
.benefits {
  padding: 6rem 10vw;
  background: var(--cream);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-top: 4rem;
}

.benefit-item {
  text-align: center;
  padding: 2rem 1.5rem;
}

.benefit-icon {
  font-family: var(--serif-en);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--green);
  margin-bottom: 1rem;
  line-height: 1;
}

.benefit-title {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  letter-spacing: 0.05em;
}

.benefit-desc {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 2;
  font-weight: 300;
}

/* ── PROFILE ── */
.profile {
  padding: 8rem 10vw;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 6rem;
  align-items: center;
}

.profile-left .name-en {
  font-family: var(--serif-en);
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
}

.profile-left .name-jp {
  font-size: 1rem;
  color: var(--gray);
  margin-bottom: 0.5rem;
}

.profile-left .role {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--green);
  margin-bottom: 2rem;
}

.profile-left .profile-divider {
  width: 40px;
  height: 2px;
  background: var(--green);
}

.profile-right p {
  font-size: 1rem;
  line-height: 2.2;
  font-weight: 300;
  margin-bottom: 1rem;
}

.profile-right .project-list {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 2;
  margin-top: 1.5rem;
  padding-left: 1rem;
  border-left: 1px solid var(--green-mid);
}

/* ── SNS ICONS ── */
.profile-sns {
  display: flex;
  gap: 1.2rem;
  margin-top: 2rem;
}

.sns-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid #e0e0e0;
  border-radius: 50%;
  color: var(--gray);
  transition: all 0.3s ease;
}

.sns-icon svg {
  width: 18px;
  height: 18px;
}

.sns-icon:hover {
  background: var(--green);
  border-color: var(--green);
  color: var(--white);
  transform: translateY(-2px);
}

/* ── SITE LINKS ── */
.site-links {
  padding: 6rem 10vw 4rem;
  background: var(--cream);
  border-top: 1px solid #e8e8e8;
}

.site-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.site-link-card {
  display: block;
  padding: 2rem 1.8rem;
  background: var(--white);
  border: 1px solid #e8e8e8;
  text-decoration: none;
  color: var(--dark);
  transition: all 0.4s ease;
  position: relative;
}

.site-link-card:hover {
  border-color: var(--green);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(13,124,102,0.08);
}

.sl-label {
  font-family: var(--serif-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--green);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.sl-title {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  letter-spacing: 0.03em;
}

.sl-desc {
  font-size: 0.85rem;
  color: var(--gray);
  font-weight: 300;
  margin-bottom: 1rem;
}

.sl-arrow {
  font-family: var(--serif-en);
  font-size: 1.2rem;
  color: var(--green);
}

/* ── ENTRY FORM ── */
.entry {
  padding: 8rem 10vw;
  background: var(--dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.entry::before {
  content: '具現化';
  position: absolute;
  right: 5vw;
  bottom: -2rem;
  font-size: clamp(5rem, 12vw, 12rem);
  font-weight: 200;
  color: rgba(255,255,255,0.03);
  letter-spacing: 0.1em;
  pointer-events: none;
}

.entry .section-header .en { color: var(--white); }
.entry .section-header .jp { color: #666; }

.entry-links {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}

.entry-card {
  display: block;
  padding: 3rem 2.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid #333;
  text-decoration: none;
  color: var(--white);
  transition: all 0.4s ease;
  position: relative;
}

.entry-card:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
  transform: translateY(-4px);
}

.entry-card.featured {
  background: var(--green);
  border-color: var(--green);
}

.entry-card.featured:hover {
  background: var(--white);
  color: var(--green);
}

.entry-stage {
  font-family: var(--serif-en);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--green);
  font-variant-numeric: lining-nums;
  margin-bottom: 1rem;
}

.entry-card.featured .entry-stage {
  color: var(--white);
}

.entry-card.featured:hover .entry-stage {
  color: var(--green);
}

.entry-card:hover .entry-stage {
  color: var(--green);
}

.entry-title {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
  letter-spacing: 0.05em;
}

.entry-desc {
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.8;
  opacity: 0.8;
  margin-bottom: 1.5rem;
}

.entry-arrow {
  font-family: var(--serif-en);
  font-size: 1.5rem;
  font-weight: 300;
}

.form-group {
  margin-bottom: 2rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: #999;
  margin-bottom: 0.8rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  font-family: var(--serif-jp);
  font-size: 0.95rem;
  color: var(--white);
  background: transparent;
  border: none;
  border-bottom: 1px solid #333;
  padding: 0.8rem 0;
  outline: none;
  transition: border-color 0.3s;
  -webkit-appearance: none;
}

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

.form-input::placeholder,
.form-textarea::placeholder {
  color: #444;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  border: 1px solid #333;
  padding: 1rem;
}

.form-textarea:focus {
  border-color: var(--green);
}

.form-select option {
  background: var(--dark);
  color: var(--white);
}

.form-note {
  font-size: 0.8rem;
  color: #555;
  margin-top: 0.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-submit {
  display: block;
  width: 100%;
  font-family: var(--serif-jp);
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: var(--dark);
  background: var(--white);
  border: none;
  padding: 1.2rem;
  cursor: pointer;
  margin-top: 3rem;
  transition: all 0.4s ease;
}

.form-submit:hover {
  background: var(--green);
  color: var(--white);
}

/* ── FOOTER ── */
.footer {
  padding: 3rem 10vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid #eee;
}

.footer-logo {
  font-family: var(--serif-en);
  font-size: 1rem;
  font-weight: 300;
  color: var(--gray);
  letter-spacing: 0.1em;
}

.footer-links {
  font-size: 0.8rem;
  color: var(--gray-light);
  letter-spacing: 0.1em;
}

.footer-links a {
  color: var(--gray);
  text-decoration: none;
  margin-left: 2rem;
  transition: color 0.3s;
}

.footer-links a:hover { color: var(--green); }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero {
    padding: 4rem 6vw 3.5rem;
    min-height: auto;
  }
  .hero-visual {
    margin: 1.8rem 0 2rem -6vw;
    width: 100vw;
    max-width: none;
  }
  .hero-scroll { display: none; }
  .concept, .program, .benefits, .profile, .entry { padding: 5rem 6vw; }
  .concept-grid { grid-template-columns: 1fr; gap: 3rem; }
  .stages { grid-template-columns: 1fr; }
  .stage-price {
    font-size: calc(0.95rem + 1px);
    color: var(--green);
    font-weight: 500;
  }
  .stage-card.final .stage-price {
    color: var(--white);
  }
  .benefits-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .profile { grid-template-columns: 1fr; gap: 3rem; }
  .program-meta { gap: 2rem; }
  .footer { flex-direction: column; gap: 1rem; text-align: center; }
  .footer-links a { margin: 0 1rem; }
  .hero-tag { font-size: clamp(1rem, 4vw, 1.3rem); margin-bottom: 1.5rem; }
  .hero-title { font-size: clamp(1.5rem, 6vw, 2rem); }
  .hero-sub { font-size: 1rem; line-height: 2.1; }
  .form-row { grid-template-columns: 1fr; }
  .entry-links { grid-template-columns: 1fr; }
  .site-links { padding: 2.5rem 6vw 2rem; }
  .site-links-grid { grid-template-columns: 1fr; gap: 0.6rem; }
  .site-link-card {
    padding: 1rem 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
  }
  .site-link-card .sl-label { display: none; }
  .site-link-card .sl-title {
    font-size: 0.95rem;
    margin-bottom: 0.1rem;
    flex: 1;
  }
  .site-link-card .sl-desc {
    display: none;
  }
  .site-link-card .sl-arrow {
    font-size: 1rem;
    margin-left: auto;
  }
  .footer { padding: 1.5rem 6vw; }
  .footer-logo { font-size: 0.8rem; }
  .footer-links { font-size: 0.7rem; }
}