/*
 * Location: profile/styles.css
 * Purpose: Editorial single-page styling for Takanobu Kono profile & portfolio
 * Why: Reflect Heritage × Code philosophy with refined typography, generous whitespace,
 *      monochrome base + ai/blue and shu/red accents matching the portrait photography
 * RELEVANT FILES: profile/index.html, profile/script.js
 */

/* ================================
   DESIGN TOKENS
================================ */
:root {
  /* Surface */
  --bg: #f7f5ee;          /* washi off-white */
  --bg-soft: #ede9dc;     /* aged paper */
  --bg-dark: #0a0a0a;     /* sumi black */
  --bg-blue: #0a1f44;     /* deep indigo */

  /* Text */
  --ink: #0a0a0a;
  --ink-soft: #4f4a40;
  --ink-mute: #8b8576;
  --ink-invert: #f7f5ee;

  /* Accents */
  --accent: #0a1f44;      /* indigo */
  --accent-2: #bc2e2e;    /* shu red */

  /* Lines */
  --rule: #c8c0aa;
  --rule-soft: rgba(10, 10, 10, 0.08);
  --rule-dark: rgba(247, 245, 238, 0.16);

  /* Type */
  --font-serif: "Fraunces", "Noto Serif JP", "Times New Roman", serif;
  --font-sans: "Inter", "Noto Sans JP", system-ui, -apple-system, sans-serif;
  --font-jp-serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-jp-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4.5rem;
  --space-7: 6.5rem;
  --space-8: 9rem;

  /* Layout */
  --wrap-max: 1320px;
  --wrap-pad: clamp(1.25rem, 4vw, 3.5rem);
  --section-pad-y: clamp(5rem, 11vw, 10rem);
  --radius: 2px;

  /* Motion */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ================================
   BASE / RESET
================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-jp-sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

.wrap {
  width: 100%;
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: var(--wrap-pad);
}

/* ================================
   TYPOGRAPHY UTILITIES
================================ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 var(--space-4);
}
.section-label span {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--accent-2);
}
.section-label--light {
  color: rgba(247, 245, 238, 0.7);
}
.section-label--light span {
  color: var(--accent-2);
}

.section-title {
  font-family: var(--font-jp-serif);
  font-weight: 500;
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0 0 var(--space-5);
}

.section-head {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 var(--space-4);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-2);
  display: inline-block;
}

/* ================================
   HEADER / NAV
================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding-block: 1.05rem;
  background: rgba(247, 245, 238, 0);
  backdrop-filter: blur(0);
  transition: background-color 320ms var(--ease), backdrop-filter 320ms var(--ease),
    border-color 320ms var(--ease), padding 320ms var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(247, 245, 238, 0.85);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--rule-soft);
  padding-block: 0.8rem;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: 0.02em;
}
.brand__mark {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 22px;
  padding: 4px 0;
}
.brand__mark-line {
  display: block;
  height: 1px;
  background: var(--ink);
  transition: transform 320ms var(--ease), background-color 320ms var(--ease);
}
.brand__mark-line:nth-child(1) { width: 100%; }
.brand__mark-line:nth-child(2) { width: 70%; }
.brand__mark-line:nth-child(3) { width: 45%; background: var(--accent-2); }
.brand:hover .brand__mark-line:nth-child(3) { width: 100%; }
.brand:hover .brand__mark-line:nth-child(2) { width: 100%; }

.brand__text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand__en {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 0.98rem;
  letter-spacing: 0.04em;
}
.brand__jp {
  font-family: var(--font-jp-sans);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--ink-mute);
}

.nav {
  display: flex;
  gap: clamp(0.9rem, 2vw, 2rem);
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.nav a {
  position: relative;
  padding: 0.4rem 0;
  color: var(--ink);
  opacity: 0.78;
  transition: opacity 200ms var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 320ms var(--ease-out);
}
.nav a:hover { opacity: 1; }
.nav a:hover::after { transform: scaleX(1); }

.cta {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: background-color 220ms var(--ease), color 220ms var(--ease);
}
.cta:hover {
  background: var(--ink);
  color: var(--bg);
}

@media (max-width: 880px) {
  .nav { display: none; }
}

/* ================================
   HERO
================================ */
.hero {
  position: relative;
  padding-top: clamp(7rem, 14vh, 10rem);
  padding-bottom: var(--space-6);
  min-height: 100vh;
  background:
    radial-gradient(ellipse at top right, rgba(188, 46, 46, 0.06), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(10, 31, 68, 0.05), transparent 55%),
    var(--bg);
  overflow: hidden;
}

.hero__rule {
  position: absolute;
  top: 5.5rem;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding-inline: var(--wrap-pad);
  font-family: var(--font-sans);
  font-size: 0.66rem;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.hero__rule::before {
  content: "";
  position: absolute;
  top: 50%;
  left: var(--wrap-pad);
  right: var(--wrap-pad);
  height: 1px;
  background: var(--rule);
  opacity: 0.4;
  z-index: -1;
}
.hero__rule span {
  background: var(--bg);
  padding-inline: 0.5rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: end;
  gap: clamp(2rem, 5vw, 5rem);
  margin-top: clamp(2rem, 6vh, 4rem);
}

.hero__copy {
  padding-bottom: clamp(1rem, 4vw, 3rem);
}

.hero__name {
  margin: 0 0 var(--space-4);
  display: flex;
  align-items: flex-end;
  gap: clamp(0.8rem, 2vw, 1.5rem);
  flex-wrap: wrap;
}
.hero__name-en {
  display: block;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(3.4rem, 9vw, 7.6rem);
  line-height: 0.92;
  letter-spacing: -0.025em;
  color: var(--ink);
  font-feature-settings: "ss01" 1;
}
.hero__name-jp {
  display: block;
  font-family: var(--font-jp-serif);
  font-weight: 400;
  font-size: clamp(0.85rem, 1.5vw, 1.05rem);
  letter-spacing: 0.4em;
  color: var(--ink-mute);
  writing-mode: vertical-rl;
  align-self: flex-end;
  padding-bottom: 0.5rem;
}

.hero__tagline {
  margin: 0 0 var(--space-3);
  max-width: 32ch;
  font-family: var(--font-jp-serif);
  font-weight: 400;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  line-height: 1.85;
  color: var(--ink);
}
.hero__tagline em {
  font-style: normal;
  background: linear-gradient(to top, rgba(188, 46, 46, 0.16) 0% 32%, transparent 32%);
  padding: 0 0.2em;
}
.hero__tagline strong {
  display: inline-block;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--accent-2);
  padding-bottom: 1px;
}

.hero__sub {
  margin: 0 0 var(--space-5);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(0.92rem, 1.2vw, 1.05rem);
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}

.hero__roles {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-soft);
}
.hero__roles li {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule-soft);
  font-family: var(--font-jp-sans);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.hero__roles li span {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--accent-2);
  letter-spacing: 0.06em;
}

.hero__portrait {
  position: relative;
  margin: 0;
  align-self: stretch;
}
.hero__portrait img {
  width: 100%;
  height: 100%;
  max-height: 78vh;
  object-fit: cover;
  object-position: center 30%;
  border-radius: var(--radius);
  filter: contrast(1.02) saturate(1.02);
  box-shadow:
    0 1px 0 rgba(0, 0, 0, 0.04),
    0 30px 60px -25px rgba(10, 10, 10, 0.4);
}
.hero__portrait figcaption {
  position: absolute;
  inset: auto 0 -2rem 0;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.hero__scroll {
  position: absolute;
  left: var(--wrap-pad);
  bottom: clamp(1.5rem, 4vw, 2.4rem);
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.hero__scroll-line {
  display: inline-block;
  width: 56px;
  height: 1px;
  background: var(--ink-soft);
  transform-origin: left;
  animation: scrollPulse 2.4s var(--ease) infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleX(0.4); opacity: 0.4; }
  50% { transform: scaleX(1); opacity: 1; }
}

@media (max-width: 960px) {
  .hero__grid {
    grid-template-columns: 1fr;
  }
  .hero__rule { display: none; }
  .hero__portrait img {
    max-height: 70vh;
    aspect-ratio: 3 / 4;
  }
  .hero__name-jp { display: none; }
}

/* ================================
   MANIFESTO
================================ */
.manifesto {
  background: var(--bg-dark);
  color: var(--ink-invert);
  padding: var(--section-pad-y) 0;
  position: relative;
}
.manifesto::before,
.manifesto::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 1px;
  height: 5rem;
  background: var(--rule-dark);
}
.manifesto::before { top: 0; }
.manifesto::after { bottom: 0; }

.manifesto__inner {
  text-align: center;
}
.manifesto__inner .section-label {
  color: rgba(247, 245, 238, 0.6);
}
.manifesto__inner .section-label span {
  color: var(--accent-2);
}
.manifesto__title {
  font-family: var(--font-jp-serif);
  font-weight: 400;
  font-size: clamp(1.6rem, 4.2vw, 3.2rem);
  line-height: 1.6;
  letter-spacing: 0.01em;
  margin: 0 auto var(--space-5);
  max-width: 24ch;
}
.manifesto__title span {
  position: relative;
  display: inline-block;
  color: var(--bg);
}
.manifesto__title span::after {
  content: "";
  position: absolute;
  inset: auto 0 -0.1em 0;
  height: 1px;
  background: var(--accent-2);
}

.manifesto__body {
  font-family: var(--font-jp-sans);
  font-weight: 300;
  font-size: clamp(0.95rem, 1.3vw, 1.1rem);
  line-height: 2;
  color: rgba(247, 245, 238, 0.8);
  margin: 0 auto var(--space-5);
  max-width: 48ch;
}

.manifesto__signature {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: rgba(247, 245, 238, 0.6);
}

/* ================================
   ABOUT
================================ */
.about {
  padding: var(--section-pad-y) 0;
}
.about__grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
}
.about__portrait {
  position: sticky;
  top: 100px;
  margin: 0;
}
.about__portrait img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  filter: contrast(1.02) saturate(1.02);
  box-shadow: 0 20px 50px -25px rgba(10, 10, 10, 0.45);
}
.about__portrait-tag {
  display: block;
  margin-top: 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.about__title {
  font-family: var(--font-jp-serif);
  font-weight: 500;
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  line-height: 1.5;
  letter-spacing: 0.01em;
  margin: 0 0 var(--space-5);
}
.about__title-mark {
  position: relative;
  display: inline-block;
  padding-inline: 0.3em;
  margin-inline: 0.05em;
}
.about__title-mark::before {
  content: "";
  position: absolute;
  inset: auto 0 0.15em 0;
  height: 0.5em;
  background: rgba(188, 46, 46, 0.18);
  z-index: -1;
}

.about__body p {
  margin: 0 0 1.15rem;
  font-family: var(--font-jp-sans);
  font-size: 1rem;
  line-height: 2;
  color: var(--ink-soft);
}
.about__body strong {
  font-weight: 500;
  color: var(--ink);
}
.about__body em {
  font-style: normal;
  border-bottom: 1px dashed var(--accent-2);
  padding-bottom: 1px;
  color: var(--ink);
}

.about__facts {
  margin: var(--space-5) 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}
.about__facts div {
  background: var(--bg);
  padding: 1.1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.about__facts dt {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin: 0;
}
.about__facts dd {
  margin: 0;
  font-family: var(--font-jp-serif);
  font-weight: 500;
  font-size: 1.02rem;
  color: var(--ink);
}

@media (max-width: 880px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__portrait { position: static; max-width: 360px; }
  .about__facts { grid-template-columns: 1fr; }
}

/* ================================
   ROLES
================================ */
.roles {
  padding: var(--section-pad-y) 0;
  background: var(--bg-soft);
  position: relative;
}

.roles__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.role-card {
  position: relative;
  background: var(--bg);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  min-height: 280px;
  transition: background-color 280ms var(--ease);
}
.role-card:hover {
  background: #fffefa;
}
.role-card--accent {
  background: var(--bg-dark);
  color: var(--ink-invert);
}
.role-card--accent:hover {
  background: #131313;
}
.role-card--accent .role-card__no { color: var(--accent-2); }
.role-card--accent .role-card__title-en,
.role-card--accent .role-card__title-jp { color: var(--bg); }
.role-card--accent .role-card__desc { color: rgba(247, 245, 238, 0.78); }
.role-card--accent .role-card__link { color: var(--bg); border-color: rgba(247, 245, 238, 0.32); }
.role-card--accent .role-card__link:hover { background: var(--bg); color: var(--ink); }

.role-card__no {
  margin: 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--accent-2);
}
.role-card__title {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.role-card__title-en {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  letter-spacing: -0.005em;
  line-height: 1.1;
  color: var(--ink);
}
.role-card__title-jp {
  font-family: var(--font-jp-sans);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.role-card__desc {
  margin: 0 0 auto;
  font-family: var(--font-jp-sans);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink-soft);
}
.role-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  align-self: flex-start;
  padding: 0.55rem 0.95rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: background-color 220ms var(--ease), color 220ms var(--ease);
}
.role-card__link:hover {
  background: var(--ink);
  color: var(--bg);
}
.role-card__link--static {
  border-color: var(--rule);
  color: var(--ink-mute);
  cursor: default;
}
.role-card__link--static:hover {
  background: transparent;
  color: var(--ink-mute);
}

@media (max-width: 720px) {
  .roles__grid { grid-template-columns: 1fr; }
}

/* ================================
   CAREER TIMELINE
================================ */
.career {
  padding: var(--section-pad-y) 0;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 0.6rem;
  bottom: 0.6rem;
  left: clamp(4.5rem, 12vw, 9rem);
  width: 1px;
  background: var(--rule);
}

.timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: clamp(4.5rem, 12vw, 9rem) 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: 1.2rem 0 2rem;
}
.timeline__item::before {
  content: "";
  position: absolute;
  top: 1.85rem;
  left: clamp(4.5rem, 12vw, 9rem);
  transform: translateX(-50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--ink);
  z-index: 1;
}
.timeline__item--accent::before {
  background: var(--accent-2);
  border-color: var(--accent-2);
  box-shadow: 0 0 0 4px rgba(188, 46, 46, 0.12);
}
.timeline__item--now::before {
  background: var(--ink);
  border-color: var(--ink);
}

.timeline__year {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.25rem, 2.2vw, 1.8rem);
  letter-spacing: 0.02em;
  color: var(--ink);
  align-self: start;
  padding-top: 0.7rem;
}
.timeline__item--now .timeline__year {
  color: var(--accent-2);
}

.timeline__content {
  padding-top: 0.4rem;
}
.timeline__content h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-jp-serif);
  font-weight: 500;
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  line-height: 1.5;
  letter-spacing: 0.01em;
}
.timeline__content h3 strong {
  color: var(--accent);
}
.timeline__content p {
  margin: 0;
  font-family: var(--font-jp-sans);
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ================================
   VISION / BRAND OS
================================ */
.vision {
  padding: var(--section-pad-y) 0;
  background: var(--bg-blue);
  color: var(--ink-invert);
  position: relative;
  overflow: hidden;
}
.vision::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(188, 46, 46, 0.18), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(247, 245, 238, 0.06), transparent 60%);
  pointer-events: none;
}

.vision__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
  z-index: 1;
}

.vision__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-4);
}

.vision__body {
  margin: 0 0 1.4rem;
  font-family: var(--font-jp-sans);
  font-weight: 300;
  font-size: 1rem;
  line-height: 2;
  color: rgba(247, 245, 238, 0.84);
}
.vision__body strong {
  font-weight: 500;
  color: var(--bg);
  border-bottom: 1px solid rgba(188, 46, 46, 0.6);
}

.vision__layers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: rgba(247, 245, 238, 0.18);
  border: 1px solid rgba(247, 245, 238, 0.18);
}
.vision__layers li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--bg-blue);
  font-family: var(--font-jp-sans);
  font-size: 0.95rem;
  color: rgba(247, 245, 238, 0.9);
  transition: background-color 240ms var(--ease), padding-left 240ms var(--ease);
}
.vision__layers li:hover {
  background: #0d2754;
  padding-left: 1.6rem;
}
.vision__layers li span {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--accent-2);
  letter-spacing: 0.04em;
}

@media (max-width: 880px) {
  .vision__grid { grid-template-columns: 1fr; }
}

/* ================================
   ACTIVITIES
================================ */
.activities {
  padding: var(--section-pad-y) 0;
}

.activities__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.activity {
  background: var(--bg);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: background-color 240ms var(--ease);
}
.activity:hover { background: var(--bg-soft); }
.activity h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.4rem;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.activity h3::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent-2);
  margin-bottom: 0.9rem;
}
.activity p {
  margin: 0;
  font-family: var(--font-jp-sans);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-soft);
}
.activity a {
  color: var(--accent);
  border-bottom: 1px solid currentColor;
}

@media (max-width: 960px) {
  .activities__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .activities__grid { grid-template-columns: 1fr; }
}

/* ================================
   CONNECT
================================ */
.connect {
  padding: var(--section-pad-y) 0;
  background: var(--bg-dark);
  color: var(--ink-invert);
}
.connect__inner {
  text-align: left;
}
.connect__title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}
.connect__lead {
  margin: 0 0 var(--space-5);
  max-width: 56ch;
  font-family: var(--font-jp-sans);
  font-weight: 300;
  font-size: 1.02rem;
  line-height: 1.95;
  color: rgba(247, 245, 238, 0.78);
}

.connect__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(247, 245, 238, 0.16);
  border: 1px solid rgba(247, 245, 238, 0.16);
}
.connect__link {
  background: var(--bg-dark);
  padding: 1.4rem 1.5rem;
  display: grid;
  grid-template-columns: 9rem 1fr auto;
  align-items: center;
  gap: 1rem;
  transition: background-color 240ms var(--ease), padding-left 240ms var(--ease);
}
.connect__link:hover {
  background: #161616;
  padding-left: 2rem;
}
.connect__link-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.connect__link-value {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--bg);
}
.connect__link-arrow {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: rgba(247, 245, 238, 0.6);
  transition: transform 240ms var(--ease), color 240ms var(--ease);
}
.connect__link:hover .connect__link-arrow {
  transform: translateX(4px);
  color: var(--bg);
}

@media (max-width: 720px) {
  .connect__grid { grid-template-columns: 1fr; }
  .connect__link { grid-template-columns: 7rem 1fr auto; }
}
@media (max-width: 480px) {
  .connect__link {
    grid-template-columns: 1fr auto;
    gap: 0.3rem 1rem;
  }
  .connect__link-label { grid-column: 1 / -1; }
}

/* ================================
   FOOTER
================================ */
.site-footer {
  padding: 2.5rem 0;
  background: var(--bg-dark);
  color: rgba(247, 245, 238, 0.55);
  border-top: 1px solid rgba(247, 245, 238, 0.08);
}
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
}
.site-footer__copy { margin: 0; }
.site-footer__meta {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
}
.site-footer__meta a {
  color: rgba(247, 245, 238, 0.7);
  transition: color 200ms var(--ease);
}
.site-footer__meta a:hover { color: var(--bg); }

/* ================================
   SCROLL ANIMATIONS
   Only hide elements when JS is ready — guarantees a visible
   page when scripts are blocked or screenshots are taken before
   IntersectionObserver fires.
================================ */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 900ms var(--ease-out), transform 900ms var(--ease-out);
  will-change: opacity, transform;
}
.js-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-delay="1"] { transition-delay: 80ms; }
[data-reveal-delay="2"] { transition-delay: 160ms; }
[data-reveal-delay="3"] { transition-delay: 240ms; }
[data-reveal-delay="4"] { transition-delay: 320ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}