/* ==========================================
   CSS Variables & Reset
   ========================================== */
:root {
  --color-bg: #fafaf7;
  --color-text: #2d2d2d;
  --color-text-light: #777;
  --color-accent: #6aab45;
  --color-accent-light: #a8d48a;
  --color-section-green: #edf5e4;
  --color-section-yellow: #faf5e0;
  --color-section-pink: #fdfae8;
  --color-section-blue: #e4f0fa;
  --color-white: #ffffff;
  --color-border: #e0e0d8;

  --font-serif: 'Noto Serif JP', 'Playfair Display', serif;
  --font-sans: 'Noto Sans JP', sans-serif;

  --max-width: 1100px;
  --radius: 16px;
  --shadow: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);

  --transition: 0.35s ease;
}

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

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

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

/* ==========================================
   Utility
   ========================================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 100px 0;
}

.section-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 24px;
}

.section-sub {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 560px;
  margin-bottom: 60px;
}

/* Tags */
.tag {
  display: inline-block;
  background: var(--color-section-green);
  color: var(--color-accent);
  font-size: 0.8rem;
  padding: 6px 16px;
  border-radius: 100px;
  margin: 4px;
  font-weight: 500;
}

/* ==========================================
   Animations
   ========================================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeIn 0.9s ease forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.2s; }
.fade-in:nth-child(2) { animation-delay: 0.4s; }
.fade-in:nth-child(3) { animation-delay: 0.6s; }
.fade-in:nth-child(4) { animation-delay: 0.8s; }

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

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ==========================================
   Header / Navigation
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 32px;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

.header.scrolled {
  background: rgba(250, 250, 247, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: 12px 32px;
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav__logo-en {
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1;
}

.nav__logo-jp {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--color-text-light);
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 36px;
  align-items: center;
}

.nav__links a {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--color-text);
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav__links a:hover::after { width: 100%; }

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

.nav__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: var(--transition);
}

/* ==========================================
   Hero
   ========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(237, 245, 228, 0.88) 0%,
    rgba(250, 245, 224, 0.78) 50%,
    rgba(228, 240, 250, 0.7) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 120px 32px 60px;
}

.hero__label {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 24px;
}

.hero__name {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
}

.hero__name-jp {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  line-height: 1;
  color: var(--color-text);
}

.hero__name-en {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--color-text-light);
  letter-spacing: 0.08em;
}

.hero__tagline {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 36px;
}

.hero__info {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero__info span {
  font-size: 0.85rem;
  color: var(--color-text-light);
  background: rgba(255,255,255,0.7);
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  backdrop-filter: blur(4px);
}

.hero__scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-light);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero__scroll svg {
  width: 20px;
  height: 20px;
  animation: bounce 2s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.hero__deco {
  position: absolute;
  border-radius: 50%;
  z-index: 1;
  pointer-events: none;
}

.hero__deco--1 {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(106,171,69,0.15) 0%, transparent 70%);
  top: 10%;
  left: -80px;
  animation: float 8s ease-in-out infinite;
}

.hero__deco--2 {
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(228,200,250,0.2) 0%, transparent 70%);
  bottom: 15%;
  right: -40px;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

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

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about__catch {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 400;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 28px;
  padding-left: 16px;
  border-left: 3px solid var(--color-accent-light);
}

.about__body {
  font-size: 0.95rem;
  color: #444;
  margin-bottom: 16px;
  line-height: 1.9;
}

.about__body strong {
  color: var(--color-accent);
  font-weight: 500;
}

.about__tags {
  margin-top: 28px;
  margin-left: -4px;
}

.about__photo-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 20px;
}

.about__photo {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius);
}

.about__photo-deco {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  border: 2px solid rgba(106,171,69,0.2);
  pointer-events: none;
}

.about__profile-card {
  background: var(--color-section-green);
  border-radius: var(--radius);
  padding: 24px 28px;
}

.profile-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(106,171,69,0.2);
}

.profile-item:last-child { border-bottom: none; }

.profile-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  font-weight: 500;
  min-width: 40px;
  text-transform: uppercase;
}

.profile-value {
  font-size: 0.9rem;
  color: var(--color-text);
}

/* ==========================================
   Episodes
   ========================================== */
.episodes {
  background: var(--color-section-yellow);
}

.episodes__list {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.episode-card {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: center;
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.episode-card--reverse {
  grid-template-columns: 1.4fr 1fr;
}

.episode-card--reverse .episode-card__img-wrap {
  order: 2;
}

.episode-card--reverse .episode-card__body {
  order: 1;
  padding-left: 52px;
  padding-right: 0;
}

.episode-card__img-wrap {
  position: relative;
  height: 380px;
}

.episode-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.episode-card__num {
  position: absolute;
  bottom: 16px;
  left: 20px;
  font-family: 'Playfair Display', serif;
  font-size: 3.5rem;
  font-style: italic;
  color: rgba(255,255,255,0.85);
  line-height: 1;
  text-shadow: 0 2px 12px rgba(0,0,0,0.2);
}

.episode-card__body {
  padding: 44px 44px 44px 0;
}

.episode-card--reverse .episode-card__body {
  padding: 44px 0 44px 44px;
}

.episode-card__category {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  background: var(--color-section-green);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.episode-card__title {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: 28px;
  color: var(--color-text);
}

.stagger-item {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  align-items: flex-start;
}

.stagger-label {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-accent);
  padding: 3px 10px;
  border-radius: 4px;
  min-width: 40px;
  text-align: center;
  margin-top: 2px;
  flex-shrink: 0;
}

.stagger-item p {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.75;
}

.stagger-item p strong {
  color: var(--color-accent);
  font-weight: 500;
}

/* ==========================================
   Skills
   ========================================== */
.skills {
  background: var(--color-white);
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 52px;
}

.skill-block {
  background: var(--color-bg);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.skill-block:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.skill-block__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  color: var(--color-accent);
}

.skill-block__icon svg {
  width: 100%;
  height: 100%;
}

.skill-block__title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: 10px;
  color: var(--color-text);
}

.skill-block__desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.skill-bar {
  height: 4px;
  background: var(--color-border);
  border-radius: 100px;
  overflow: hidden;
}

.skill-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-light), var(--color-accent));
  border-radius: 100px;
  width: 0;
  transition: width 1.2s ease;
}

.skills__tools {
  background: var(--color-section-green);
  border-radius: var(--radius);
  padding: 36px 40px;
}

.skills__tools-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 20px;
  color: var(--color-text);
}

.skills__tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-tag {
  background: var(--color-white);
  color: var(--color-text);
  font-size: 0.82rem;
  padding: 7px 18px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  font-weight: 400;
}

/* ==========================================
   Values
   ========================================== */
.values {
  background: var(--color-section-pink);
}

.values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.value-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.value-card:hover {
  transform: translateY(-6px);
}

.value-card__num {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 2.5rem;
  color: var(--color-section-pink);
  line-height: 1;
  margin-bottom: 16px;
}

.value-card__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.4;
}

.value-card__desc {
  font-size: 0.87rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.values__photo {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  max-height: 420px;
}

.values__photo img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: center 20%;
}

.values__photo-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.55));
  color: rgba(255,255,255,0.95);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  padding: 40px 32px 24px;
  font-weight: 300;
  letter-spacing: 0.04em;
}

/* ==========================================
   Contact
   ========================================== */

/* ==========================================
   Footer
   ========================================== */
.footer {
  background: var(--color-text);
  color: var(--color-white);
  padding: 48px 0 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.footer__name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.footer__copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.06em;
}

.footer__deco {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 80px;
  background: radial-gradient(ellipse, rgba(106,171,69,0.2) 0%, transparent 70%);
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 900px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .skills__grid {
    grid-template-columns: 1fr;
  }

  .values__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .episode-card,
  .episode-card--reverse {
    grid-template-columns: 1fr;
  }

  .episode-card--reverse .episode-card__img-wrap {
    order: 0;
  }

  .episode-card--reverse .episode-card__body {
    order: 0;
    padding: 32px 32px 32px 32px;
  }

  .episode-card__img-wrap {
    height: 260px;
  }

  .episode-card__body,
  .episode-card--reverse .episode-card__body {
    padding: 32px;
  }

}

@media (max-width: 640px) {
  .section { padding: 72px 0; }
  .container { padding: 0 20px; }

  .header { padding: 16px 20px; }
  .header.scrolled { padding: 10px 20px; }

  .nav__links { display: none; }
  .nav__links.is-open {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250,250,247,0.97);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 99;
  }
  .nav__links.is-open a { font-size: 1.4rem; }

  .nav__toggle { display: flex; z-index: 100; }
  .nav__toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav__toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav__toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .hero__info { flex-direction: column; align-items: center; }
  .episodes__list { gap: 48px; }
}


/* Message */
.message { background: var(--color-white); }
.message .about__photo { object-position: center 30%; }