:root {
  --bg: #f8f8f8;
  --card: #ffffff;
  --card-border: #e8e8e8;
  --divider: #e5e5e2;
  --primary: #1a1a1a;
  --accent: #4a7c6f;
  --text-primary: #1a1a1a;
  --text-secondary: #555555;
  --text-tertiary: #999999;
  --chip-bg: #f0f0f0;
  --chip-border: #d8d8d8;
  --chip-selected: #4a7c6f;
  --green-bg: #edf7f0;
  --green-border: #c8e6cf;
  --green-text: #4a8c5c;
  --amber-bg: #fdf8ee;
  --amber-border: #ede0c0;
  --amber-text: #9e8245;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  --toggle-bg: rgba(255, 255, 255, 0.7);
  --toggle-border: #d8d8d8;
  --toggle-color: #1a1a1a;
  --btn-bg: transparent;
  --btn-text: #1a1a1a;
  --btn-border: #c8c8c8;
}

[data-theme="dark"] {
  --bg: #0e0e10;
  --card: #1a1a1e;
  --card-border: #2a2a2e;
  --divider: #222226;
  --primary: #ededef;
  --accent: #6faa98;
  --text-primary: #ededef;
  --text-secondary: #a0a0a4;
  --text-tertiary: #6e6e72;
  --chip-bg: #1e1e22;
  --chip-border: #333338;
  --chip-selected: #6faa98;
  --green-bg: #1a2e1f;
  --green-border: #2a4a32;
  --green-text: #7cc896;
  --amber-bg: #2e2818;
  --amber-border: #4a3e24;
  --amber-text: #d4b86a;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  --toggle-bg: rgba(30, 30, 34, 0.7);
  --toggle-border: #333338;
  --toggle-color: #ededef;
  --btn-bg: transparent;
  --btn-text: #b0b0b4;
  --btn-border: #333338;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", "Nunito", "Noto Sans JP", sans-serif;
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  transition: background 0.3s, color 0.3s;
}

/* Dot pattern background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, var(--text-primary) 0.5px, transparent 0.5px);
  background-size: 24px 24px;
  opacity: 0.015;
}

a {
  color: inherit;
}

main {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
}

.container {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
}

.section-pane {
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}

/* ── Hero ── */

.hero {
  text-align: center;
  padding-top: clamp(4rem, 10vw, 7rem);
  padding-bottom: clamp(2rem, 5vw, 4rem);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.06;
  pointer-events: none;
}

.hero-inner {
  position: relative;
}

.hero-inner h1 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--primary);
  line-height: 1.1;
}

.hero-subtitle {
  margin: 0.5rem 0 0;
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 500;
}

.hero-intro {
  margin: 1.5rem auto 0;
  max-width: 520px;
  color: var(--text-tertiary);
  font-size: clamp(0.85rem, 1.1vw, 0.95rem);
  line-height: 1.8;
}

/* ── Bento Grid ── */

.bento {
  padding-top: 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 0.75rem;
}

.bento-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 1.25rem;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.2s, transform 0.2s;
}

.bento-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
  border-color: var(--accent);
}

.bento-card h3 {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.bento-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* Profile card: spans 2 columns */
.bento-profile {
  grid-column: span 2;
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

.bento-profile .avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--card-border);
  flex-shrink: 0;
}

.bento-profile-copy h2 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
}

.bento-profile-copy p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.7;
}

.bento-profile-copy .social {
  margin-top: 0.6rem;
}

/* Skills card */
.bento-skills .chips {
  margin-top: 0;
}

/* GitHub card */
.bento-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.bento-link:hover {
  color: var(--accent);
}

/* ── Section Title ── */

.section-title {
  text-align: center;
  margin: 0 0 1.5rem;
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--primary);
}

/* ── Chips / Tags ── */

.chips {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.chips span,
.tags span {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  border-radius: 999px;
  color: var(--chip-selected);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
}

/* ── Social ── */

.social {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
}

.social a {
  text-decoration: none;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  border-radius: 50%;
  transition: color 0.2s;
}

.social a:hover {
  color: var(--accent);
}

/* ── Badge ── */

.badge {
  border: 1px solid var(--green-border);
  background: var(--green-bg);
  color: var(--green-text);
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.35rem 0.55rem;
  white-space: nowrap;
}

.badge-soon {
  border-color: var(--amber-border);
  background: var(--amber-bg);
  color: var(--amber-text);
}

/* ── Projects ── */

.projects-wrap {
  border-top: 1px solid var(--divider);
}

.projects-title {
  text-align: left;
  margin-bottom: 1.25rem;
}

/* Showcase link wrapper */
.showcase-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

/* Showcase card */
.showcase-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  overflow: hidden;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

/* Accent radial gradient decoration */
.showcase-card::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.08;
  pointer-events: none;
}

/* Background number decoration */
.showcase-number {
  position: absolute;
  top: -0.25rem;
  right: 1.5rem;
  font-size: 8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  opacity: 0.03;
  pointer-events: none;
  user-select: none;
}

.showcase-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 30px rgba(74, 124, 111, 0.12);
}

[data-theme="dark"] .showcase-card:hover {
  box-shadow: 0 8px 30px rgba(111, 170, 152, 0.1);
}

/* Two-column layout */
.showcase-body {
  position: relative;
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: center;
}

/* Left: Info */
.showcase-info {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.showcase-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid var(--card-border);
  background: var(--bg);
  margin-bottom: 1rem;
}

.showcase-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary);
}

.showcase-desc {
  margin: 0.5rem 0 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

.showcase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.showcase-tags span {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--chip-border);
  background: var(--chip-bg);
  border-radius: 999px;
  color: var(--chip-selected);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
}

.showcase-cta {
  display: inline-block;
  background: var(--accent);
  color: #ffffff;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.55rem 1.4rem;
  transition: opacity 0.2s;
  width: fit-content;
}

.showcase-link:hover .showcase-cta {
  opacity: 0.88;
}

/* Right: Phone preview */
.showcase-preview {
  display: flex;
  justify-content: center;
  align-items: center;
}

.showcase-phone {
  width: 100%;
  max-width: 180px;
  aspect-ratio: 9 / 19.5;
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: 0.8rem;
  font-weight: 500;
  overflow: hidden;
}

.showcase-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
}

/* ── Theme toggle ── */

.theme-indicator {
  position: fixed;
  top: 0.85rem;
  right: 0.85rem;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--toggle-color);
  cursor: pointer;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}

.theme-indicator:hover {
  border-color: var(--accent);
}

.theme-indicator span {
  font-size: 1.05rem;
  line-height: 1;
}

/* ── Footer ── */

.footer {
  background: var(--bg);
  padding: 2.5rem 0 3rem;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  margin-bottom: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.footer p {
  margin: 0;
  color: var(--text-tertiary);
  text-align: center;
  font-size: 0.75rem;
}

/* ── Scroll Animations ── */

[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ── Legal Pages ── */

.legal-container {
  max-width: 720px;
}

.legal-content h1 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--primary);
}

.legal-updated {
  margin: 0 0 2rem;
  color: var(--text-tertiary);
  font-size: 0.8rem;
}

.legal-content h2 {
  margin: 2rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
}

.legal-content p,
.legal-content li {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.8;
}

.legal-content ul,
.legal-content ol {
  padding-left: 1.5rem;
  margin: 0.5rem 0;
}

.legal-content li {
  margin-bottom: 0.25rem;
}

/* ── Responsive ── */


@media (max-width: 780px) {
  .section-pane {
    padding: 2rem 0;
  }

  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bento-profile {
    grid-column: span 2;
  }

  /* Showcase: stack vertically on mobile */
  .showcase-body {
    grid-template-columns: 1fr;
  }

  .showcase-preview {
    order: 1;
  }

  .showcase-phone {
    max-width: 200px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-profile {
    grid-column: span 1;
    flex-direction: column;
    text-align: center;
  }

  .bento-profile-copy .social {
    justify-content: center;
  }

  .hero-inner h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }
}


/* ======================================
   LP Page Styles (.lp-* namespace)
   ====================================== */

/* ── LP Header ── */

.lp-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--divider);
  padding: 0.75rem 0;
  transition: background 0.3s;
}

.lp-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lp-back {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.2s;
}

.lp-back:hover {
  color: var(--primary);
}

/* ── LP Hero ── */

.lp-hero {
  text-align: center;
  padding: clamp(3rem, 7vw, 5rem) 0 clamp(2rem, 4vw, 3rem);
}

.lp-hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  object-fit: cover;
  border: 2px solid var(--card-border);
  background: var(--bg);
  margin-bottom: 1rem;
}

.lp-hero h1 {
  margin: 0;
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
  color: var(--primary);
}

.lp-hero-tagline {
  margin: 0.5rem 0 0;
  color: var(--text-secondary);
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
  font-weight: 400;
}

.lp-hero .badge {
  margin-top: 1rem;
  display: inline-flex;
}

/* ── LP Features ── */

.lp-features {
  border-top: 1px solid var(--divider);
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}

.lp-features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.lp-feature-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 1.25rem;
  transition: background 0.3s, border-color 0.3s, box-shadow 0.2s;
}

.lp-feature-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.07);
}

.lp-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.85rem;
  color: var(--accent);
  font-size: 1.35rem;
  line-height: 1;
}

.lp-feature-card h3 {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.4;
}

.lp-feature-card p {
  margin: 0.35rem 0 0;
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.6;
}

/* ── LP Screenshots ── */

.lp-screenshots {
  border-top: 1px solid var(--divider);
  padding: clamp(2rem, 5vw, 3.5rem) 0;
}

.lp-screenshots-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.lp-screenshot-placeholder {
  aspect-ratio: 9 / 19.5;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: 0.8rem;
  font-weight: 500;
  overflow: hidden;
}

.lp-screenshot-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 16px;
}

/* ── LP Store Links ── */

.lp-store {
  border-top: 1px solid var(--divider);
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  text-align: center;
}

.lp-store-buttons {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.lp-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  border: 1px solid var(--btn-border);
  border-radius: 10px;
  background: var(--btn-bg);
  color: var(--btn-text);
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.6rem 1.2rem;
  transition: border-color 0.2s, color 0.2s;
}

.lp-store-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ── LP Responsive ── */

@media (max-width: 780px) {
  .lp-features-grid {
    grid-template-columns: 1fr;
  }

  .lp-screenshots-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .lp-hero-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
  }
}

@media (max-width: 480px) {
  .lp-screenshots-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.4rem;
  }

  .lp-screenshot-placeholder {
    border-radius: 10px;
  }

  .lp-screenshot-placeholder img {
    border-radius: 10px;
  }
}