/* ============================================================
   NARITA SC — Stylesheet
   Inspired by Nike Podium CDS: monochrome UI, full-bleed photo,
   massive uppercase display, flat elevation, pill buttons.
============================================================ */

:root {
  /* Mono palette */
  --c-black:      #111111;
  --c-white:      #FFFFFF;
  --c-snow:       #FAFAFA;
  --c-grey-100:   #F5F5F5;
  --c-grey-200:   #E5E5E5;
  --c-grey-300:   #CACACB;
  --c-grey-500:   #707072;
  --c-grey-700:   #39393B;
  --c-grey-800:   #28282A;
  --c-grey-900:   #1F1F21;

  /* Semantic */
  --c-red:        #D30005;
  --c-blue:       #1151FF;
  --c-focus:      rgba(39, 93, 197, 1);

  /* Typography */
  --font-display: 'Bebas Neue', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body:    'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-jp:      'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;

  /* Spacing (8px grid) */
  --s-1:  4px;
  --s-2:  8px;
  --s-3:  12px;
  --s-4:  16px;
  --s-5:  20px;
  --s-6:  24px;
  --s-7:  32px;
  --s-8:  48px;
  --s-9:  64px;
  --s-10: 80px;
  --s-11: 120px;

  /* Layout */
  --container: 1320px;
  --pad-x:     48px;

  /* Motion */
  --ease:       cubic-bezier(.2,.7,.2,1);
  --t-fast:     150ms;
  --t-base:    200ms;
  --t-slow:    400ms;

  /* Header */
  --header-h:    72px;
  --promo-h:     40px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html, body { overflow-x: hidden; max-width: 100%; }
body {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-black);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg, iframe { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color var(--t-base) var(--ease); }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }
strong { font-weight: 700; }
:focus-visible { outline: 2px solid var(--c-focus); outline-offset: 2px; }

.br-pc { display: inline; }
.br-sp { display: none; }
/* Phrase-level wrapping: keep each 文節 intact so wraps only fall between phrases */
.phrase { display: inline-block; white-space: nowrap; }

/* JP line-breaking for short headings/labels/values:
   break at spaces or word units, never split a word mid-character.
   overflow-wrap: anywhere is a safety net only for runs wider than the box. */
.news__heading,
.stat__label,
.staff__role,
.staff__career-list li,
.timeline__title,
.hl-result__title,
.access__meta li,
.ob-feature__pos,
.ob-feature__badge,
.ob-feature__highlights li {
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

/* ===== Type utilities ===== */
.section-eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-grey-500);
  margin-bottom: var(--s-3);
}
.section-eyebrow--inverse { color: var(--c-grey-300); }

.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(48px, 8vw, 96px);
  line-height: 0.92;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--c-black);
}
.section-head {
  margin-bottom: var(--s-9);
}
.section-head--inverse .section-title { color: var(--c-white); }
.section-desc {
  margin-top: var(--s-5);
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-grey-500);
  max-width: 60ch;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 999px;
  border: 1.5px solid transparent;
  transition: background-color var(--t-base) var(--ease), color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
  white-space: nowrap;
}
.btn--lg { padding: 18px 40px; font-size: 16px; }
.btn--primary {
  background: var(--c-black);
  color: var(--c-white);
  border-color: var(--c-black);
}
.btn--primary:hover { background: var(--c-grey-700); border-color: var(--c-grey-700); }
.btn--secondary {
  background: transparent;
  color: var(--c-black);
  border-color: var(--c-grey-300);
}
.btn--secondary:hover { border-color: var(--c-black); }
.btn--primary-on-dark {
  background: var(--c-white);
  color: var(--c-black);
  border-color: var(--c-white);
}
.btn--primary-on-dark:hover { background: var(--c-grey-300); border-color: var(--c-grey-300); }
.btn--secondary-on-dark {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,.5);
}
.btn--secondary-on-dark:hover { border-color: var(--c-white); background: rgba(255,255,255,.08); }

/* ===== Promo Banner (top) ===== */
.promo-banner {
  background: var(--c-black);
  color: var(--c-white);
  height: var(--promo-h);
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1100;
}
.promo-banner__inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-3);
  padding: 0 var(--s-4);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.promo-banner__badge {
  background: var(--c-red);
  color: var(--c-white);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.promo-banner__message {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}
.promo-banner__text { text-align: center; }
.promo-banner__link {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.promo-banner__link:hover { color: var(--c-grey-300); }

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--c-white);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}
.header.is-scrolled {
  border-bottom-color: var(--c-grey-200);
}
.header__inner {
  max-width: var(--container);
  margin: 0 auto;
  height: var(--header-h);
  padding: 0 var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
}
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  position: relative;
  z-index: 1130;
}
.header__logo-img { height: 36px; width: auto; }
.header__logo-text {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--c-black);
}
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--s-7);
}
.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--s-7);
}
.header__nav-list a {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-black);
}
.header__nav-list a:hover { color: var(--c-grey-500); }
.header__cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  background: var(--c-black);
  color: var(--c-white);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background-color var(--t-base) var(--ease);
}
.header__cta:hover { background: var(--c-grey-700); color: var(--c-white); }
.header__menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  position: relative;
  z-index: 1130;
}
.header__menu-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--c-black);
  transition: transform var(--t-base) var(--ease), opacity var(--t-base) var(--ease);
}
.header__menu-btn.is-active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.header__menu-btn.is-active span:nth-child(2) { opacity: 0; }
.header__menu-btn.is-active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  height: clamp(640px, 84vh, 880px);
  display: grid;
  grid-template-rows: var(--s-3) 1fr auto;
  overflow: hidden;
  background: var(--c-black);
  padding: var(--s-7) 0;
}
.hero > * { grid-column: 1; }
.hero__bg { grid-row: 1 / -1; }
.hero__content { grid-row: 3; align-self: end; }
.hero__scroll { grid-row: 1 / -1; align-self: end; justify-self: end; }
.hero__bg { position: absolute; top: var(--s-7); right: 0; bottom: var(--s-7); left: 0; }
.hero__bg picture, .hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,.85) 0%, rgba(0,0,0,0) 7%, rgba(0,0,0,0) 86%, rgba(0,0,0,.9) 100%),
    linear-gradient(90deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.0) 60%);
}
.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x) var(--s-3);
  color: var(--c-white);
}
.hero__eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255,255,255,.85);
  margin-bottom: var(--s-5);
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(56px, 8.5vw, 124px);
  line-height: 0.9;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  margin-bottom: var(--s-5);
  color: var(--c-white);
}
.hero__title-line { display: block; }
.hero__sub {
  font-family: var(--font-jp);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 500;
  line-height: 1.6;
  color: rgba(255,255,255,.95);
  margin-bottom: var(--s-7);
  white-space: nowrap;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
}
.hero__scroll {
  position: absolute;
  right: var(--pad-x);
  bottom: var(--s-7);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}
.hero__scroll-line {
  display: block;
  width: 1px;
  height: 64px;
  background: linear-gradient(to bottom, rgba(255,255,255,.5), transparent);
}

/* ===== Sections common ===== */
section { padding: var(--s-11) 0; }

/* ===== News ===== */
.news { background: var(--c-white); padding-top: var(--s-10); }
.news__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-2);
  border-top: 1px solid var(--c-grey-200);
}
.news__item {
  display: flex;
  flex-direction: column;
  padding: var(--s-7) var(--s-6);
  background: var(--c-snow);
  transition: background-color var(--t-base) var(--ease);
  border-right: 1px solid var(--c-grey-200);
  min-width: 0;
}
.news__item:last-child { border-right: 0; }
.news__item:hover { background: var(--c-grey-100); }
.news__meta {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
}
.news__date {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--c-black);
}
.news__tag {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 4px 8px;
  background: var(--c-black);
  color: var(--c-white);
  border-radius: 999px;
}
.news__tag--accent { background: var(--c-red); }
.news__heading {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: var(--s-4);
  color: var(--c-black);
  overflow-wrap: anywhere;
}
.news__excerpt {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-grey-500);
  overflow-wrap: anywhere;
}

/* ===== About ===== */
.about { background: var(--c-white); }
.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--s-10);
  align-items: start;
}
.about__lead {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-black);
  margin-bottom: var(--s-6);
}
.about__text {
  font-size: 15px;
  line-height: 1.95;
  color: var(--c-grey-500);
  margin-bottom: var(--s-4);
}
.about__text strong { color: var(--c-black); }

.about__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--c-grey-200);
  border: 1px solid var(--c-grey-200);
}
.stat {
  background: var(--c-white);
  padding: var(--s-7) var(--s-6);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  min-height: 180px;
  justify-content: space-between;
}
.stat__num {
  font-family: var(--font-display);
  font-size: 64px;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--c-black);
  display: inline-flex;
  align-items: baseline;
  flex-wrap: wrap;
  white-space: nowrap;
}
.stat__num-sub {
  font-size: 28px;
  margin-left: 2px;
  color: var(--c-grey-500);
}
.stat__label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-grey-500);
  line-height: 1.5;
}

/* ===== Philosophy ===== */
.philosophy {
  position: relative;
  background: var(--c-black);
  color: var(--c-white);
  overflow: hidden;
}
.philosophy__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.philosophy__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}
.philosophy__bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.65) 0%, rgba(0,0,0,.85) 100%);
}
.philosophy > .container {
  position: relative;
  z-index: 1;
}
.philosophy__quote {
  font-family: var(--font-jp);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--c-white);
  margin-bottom: var(--s-7);
  padding-left: var(--s-6);
  border-left: 4px solid var(--c-white);
}
.philosophy__lead {
  font-size: 16px;
  line-height: 2;
  color: rgba(255,255,255,.85);
  margin-bottom: var(--s-10);
  white-space: nowrap;
}
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.15);
  border-top: 1px solid rgba(255,255,255,.15);
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.pillar {
  background: var(--c-black);
  padding: var(--s-7) var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  min-height: 240px;
}
.pillar__num {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 0.04em;
  color: var(--c-white);
  margin-bottom: var(--s-4);
}
.pillar__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: var(--s-2);
}
.pillar__text {
  font-size: 13px;
  line-height: 1.85;
  color: rgba(255,255,255,.7);
}

/* ===== Staff ===== */
.staff { background: var(--c-snow); }
.staff__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-8);
}
.staff__card {
  background: var(--c-white);
  display: flex;
  flex-direction: column;
}
.staff__header {
  background: var(--c-black);
  color: var(--c-white);
  padding: var(--s-7) var(--s-6);
}
.staff__role {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 999px;
  margin-bottom: var(--s-3);
  color: var(--c-white);
}
.staff__name {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.2;
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--c-white);
}
.staff__name-en {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,.7);
}
.staff__body {
  padding: var(--s-7) var(--s-6) var(--s-8);
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.staff__bio {
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-grey-500);
}
.staff__career {
  border-top: 1px solid var(--c-grey-200);
  padding-top: var(--s-5);
}
.staff__career:first-child {
  border-top: none;
  padding-top: 0;
}
.staff__career-heading {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-grey-500);
  margin-bottom: var(--s-4);
}
.staff__career-list {
  list-style: none;
  position: relative;
  padding: 0;
  margin: 0;
}
.staff__career-list li {
  position: relative;
  padding: 0 0 var(--s-4) var(--s-5);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-grey-700);
  line-height: 1.45;
}
.staff__career-list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--c-black);
  background: var(--c-white);
  z-index: 1;
}
.staff__career-list li::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 13px;
  bottom: 0;
  width: 1px;
  background: var(--c-grey-200);
}
.staff__career-list li:last-child {
  padding-bottom: 0;
}
.staff__career-list li:last-child::before {
  background: var(--c-black);
}
.staff__career-list li:last-child::after {
  display: none;
}

/* ===== Achievements ===== */
.achievements { background: var(--c-white); }
.hl-result {
  background: var(--c-black);
  color: var(--c-white);
  padding: var(--s-9) var(--s-8);
  margin-bottom: var(--s-9);
  position: relative;
  overflow: hidden;
}
.hl-result__tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  padding: 5px 12px;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 999px;
  margin-bottom: var(--s-5);
  color: var(--c-white);
}
.hl-result__title {
  font-family: var(--font-jp);
  font-size: clamp(24px, 3.6vw, 44px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: var(--s-5);
  color: var(--c-white);
}
.hl-result__sub {
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255,255,255,.85);
}
.hl-result__sub strong { color: var(--c-white); font-weight: 700; }

.timeline {
  border-top: 1px solid var(--c-grey-200);
}
.timeline__item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: var(--s-7);
  padding: var(--s-6) 0;
  border-bottom: 1px solid var(--c-grey-200);
  align-items: baseline;
  transition: background-color var(--t-base) var(--ease);
}
.timeline__item:hover { background: var(--c-snow); }
.timeline__year {
  font-family: var(--font-display);
  font-size: 56px;
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--c-black);
}
.timeline__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-black);
  margin-bottom: var(--s-2);
}
.timeline__text {
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-grey-500);
}

/* ===== OB ===== */
.ob { background: var(--c-snow); }
.ob .section-desc { max-width: none; white-space: nowrap; }
.ob-feature {
  display: grid;
  grid-template-columns: 360px 1fr;
  background: var(--c-white);
  border: 1px solid var(--c-grey-200);
}
.ob-feature__visual {
  background: var(--c-black);
  color: var(--c-white);
  position: relative;
  overflow: hidden;
  align-self: stretch;
  min-height: 480px;
}
.ob-feature__visual::before,
.ob-feature__visual::after {
  pointer-events: none;
}
.ob-feature__visual::before {
  content: 'NARITA SC';
  position: absolute;
  top: var(--s-5);
  left: var(--s-5);
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,.35);
  z-index: 2;
}
.ob-feature__visual::after {
  content: 'ALUMNI';
  position: absolute;
  bottom: var(--s-5);
  right: var(--s-5);
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,.35);
  z-index: 2;
}
.ob-feature__visual-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  z-index: 1;
}
.ob-feature__visual-scrim {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 35%;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.7) 100%);
  z-index: 2;
  pointer-events: none;
}
.ob-feature__visual-tag {
  position: absolute;
  top: var(--s-5);
  right: var(--s-5);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  z-index: 3;
}
.ob-feature__visual-num {
  font-family: var(--font-display);
  font-size: 56px;
  line-height: 0.85;
  color: var(--c-white);
}
.ob-feature__visual-label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.28em;
  color: rgba(255,255,255,.7);
}
.ob-feature__visual-credit {
  position: absolute;
  bottom: var(--s-5);
  left: var(--s-5);
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,.45);
  text-decoration: none;
  z-index: 3;
  transition: color var(--t-base) var(--ease);
}
.ob-feature__visual-credit:hover {
  color: rgba(255,255,255,.85);
}
.ob-feature__body {
  padding: var(--s-7) var(--s-7);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.ob-feature__badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  padding: 5px 12px;
  background: var(--c-red);
  color: var(--c-white);
  border-radius: 999px;
  margin-bottom: var(--s-4);
}
.ob-feature__name {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--s-2);
  color: var(--c-black);
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
}
.ob-feature__name-en {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--c-grey-500);
}
.ob-feature__pos {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-grey-500);
  margin-bottom: var(--s-4);
}
.ob-feature__path {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-grey-500);
  padding-bottom: var(--s-4);
  margin-bottom: var(--s-4);
  border-bottom: 1px solid var(--c-grey-200);
}
.ob-feature__path strong { color: var(--c-black); }
.ob-feature__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  margin-bottom: var(--s-5);
}
.ob-feature__highlights li {
  position: relative;
  padding-left: var(--s-5);
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-grey-500);
}
.ob-feature__highlights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 10px;
  height: 1.5px;
  background: var(--c-black);
}
.ob-feature__highlights strong { color: var(--c-black); }
.ob-feature__quote {
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-grey-500);
  padding: var(--s-4);
  background: var(--c-snow);
  border-left: 3px solid var(--c-black);
}
.ob-note {
  margin-top: var(--s-7);
  text-align: center;
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-grey-500);
}

/* ===== Activity / Schedule ===== */
.activity { background: var(--c-white); }
.schedule {
  background: var(--c-snow);
  padding: var(--s-7);
  margin-bottom: var(--s-9);
  border: 1px solid var(--c-grey-200);
}
.schedule__header {
  display: flex;
  align-items: center;
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--c-grey-200);
  margin-bottom: var(--s-4);
}
.schedule__header-spacer { width: 100px; flex-shrink: 0; }
.schedule__days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--s-2);
  flex: 1;
  min-width: 0;
}
.schedule__day {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--c-grey-500);
  text-align: center;
}
.schedule__day--weekend { color: var(--c-black); }
.schedule__row {
  display: flex;
  align-items: center;
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--c-grey-200);
}
.schedule__row:last-of-type { border-bottom: 0; }
.schedule__team { width: 100px; flex-shrink: 0; }
.schedule__team-name {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--c-black);
}
.schedule__cells {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--s-2);
  flex: 1;
  min-width: 0;
}
.schedule__cell {
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 4px;
}
.schedule__cell--on {
  background: var(--c-black);
  color: var(--c-white);
}
.schedule__cell--match {
  background: var(--c-grey-700);
  color: var(--c-white);
}
.schedule__cell--off {
  background: var(--c-grey-100);
  color: var(--c-grey-300);
}
.schedule__cell--off .schedule__label { font-size: 10px; letter-spacing: 0.12em; }
.schedule__legend {
  display: flex;
  justify-content: flex-end;
  gap: var(--s-5);
  margin-top: var(--s-5);
  padding-top: var(--s-4);
  border-top: 1px solid var(--c-grey-200);
}
.schedule__legend-item {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: 11px;
  font-weight: 500;
  color: var(--c-grey-500);
}
.schedule__legend-dot { width: 14px; height: 14px; border-radius: 2px; }
.schedule__legend-dot--on { background: var(--c-black); }
.schedule__legend-dot--match { background: var(--c-grey-700); }
.schedule__legend-dot--off { background: var(--c-grey-100); border: 1px solid var(--c-grey-300); }

/* Access */
.access {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 0;
  border: 1px solid var(--c-grey-200);
}
.access__info {
  background: var(--c-black);
  color: var(--c-white);
  padding: var(--s-8) var(--s-7);
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.access__eyebrow {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
}
.access__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  line-height: 0.95;
  letter-spacing: 0.005em;
  color: var(--c-white);
}
.access__address {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.85);
}
.access__meta {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin-top: auto;
  padding-top: var(--s-5);
  border-top: 1px solid rgba(255,255,255,.18);
}
.access__meta li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: var(--s-3);
  font-size: 13px;
  color: rgba(255,255,255,.85);
}
.access__meta li span {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  align-self: center;
}
.access__map { background: var(--c-grey-100); }
.access__map iframe { display: block; width: 100%; height: 100%; min-height: 360px; }

/* ===== Join ===== */
.join {
  background: var(--c-black);
  color: var(--c-white);
  padding: var(--s-11) 0;
}
.join__inner {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.join__title {
  font-family: var(--font-jp);
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.25;
  margin: var(--s-3) 0 var(--s-5);
  color: var(--c-white);
}
.join__text {
  font-size: 16px;
  line-height: 2;
  color: rgba(255,255,255,.85);
  margin-bottom: var(--s-8);
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.join__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s-3);
}

/* ===== Contact ===== */
.contact { background: var(--c-white); }
.contact__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-2);
}
.contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  padding: var(--s-8) var(--s-6);
  background: var(--c-snow);
  border: 1px solid var(--c-grey-200);
  transition: background-color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.contact-card:hover {
  background: var(--c-black);
  border-color: var(--c-black);
  color: var(--c-white);
}
.contact-card__icon { width: 32px; height: 32px; color: var(--c-black); transition: color var(--t-base) var(--ease); }
.contact-card:hover .contact-card__icon { color: var(--c-white); }
.contact-card__icon svg { width: 100%; height: 100%; }
.contact-card__label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-grey-500);
  text-transform: uppercase;
  transition: color var(--t-base) var(--ease);
}
.contact-card:hover .contact-card__label { color: rgba(255,255,255,.7); }
.contact-card__value {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 0.02em;
  color: var(--c-black);
  transition: color var(--t-base) var(--ease);
}
.contact-card:hover .contact-card__value { color: var(--c-white); }
.contact-card__arrow {
  position: absolute;
  right: var(--s-6);
  bottom: var(--s-6);
  font-size: 20px;
  color: var(--c-grey-500);
  transition: transform var(--t-base) var(--ease), color var(--t-base) var(--ease);
}
.contact-card:hover .contact-card__arrow { color: var(--c-white); transform: translateX(4px); }

/* ===== Sponsors ===== */
.sponsor { background: var(--c-snow); }
.sponsor__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-5);
}
.sponsor__link {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--s-5);
  height: 100%;
  padding: var(--s-7) var(--s-6);
  background: var(--c-white);
  border: 1px solid var(--c-grey-200);
  transition: border-color var(--t-base) var(--ease);
}
a.sponsor__link:hover { border-color: var(--c-black); }
.sponsor__link--static { cursor: default; }
.sponsor__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 88px;
}
.sponsor__logo--dark {
  background: var(--c-grey-900);
  border-radius: 10px;
  padding: var(--s-3) var(--s-6);
}
.sponsor__logo-img {
  max-width: 82%;
  max-height: 100%;
  width: auto;
  object-fit: contain;
}
.sponsor__name {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-grey-700);
  text-align: center;
  white-space: nowrap;
}
.sponsor__name-sub {
  font-family: var(--font-jp);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--c-grey-500);
  white-space: nowrap;
}
.sponsor__arrow {
  position: absolute;
  top: var(--s-4);
  right: var(--s-4);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  color: var(--c-grey-300);
  opacity: 0;
  transform: translateY(2px);
  transition: opacity var(--t-base) var(--ease), transform var(--t-base) var(--ease), color var(--t-base) var(--ease);
}
a.sponsor__link:hover .sponsor__arrow { opacity: 1; transform: translateY(0); color: var(--c-black); }

/* ===== Footer ===== */
.footer {
  background: var(--c-grey-900);
  color: rgba(255,255,255,.7);
  padding: var(--s-10) 0 var(--s-6);
}
.footer__top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: var(--s-9);
  padding-bottom: var(--s-8);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__brand { display: flex; flex-direction: column; gap: var(--s-4); }
.footer__brand-mark {
  display: flex;
  align-items: center;
  gap: var(--s-4);
}
.footer__emblem {
  height: 72px;
  width: auto;
  display: block;
}
.footer__mark {
  font-family: var(--font-display);
  font-size: 40px;
  letter-spacing: 0.04em;
  color: var(--c-white);
  line-height: 1;
  padding-left: var(--s-4);
  border-left: 1px solid rgba(255,255,255,.18);
}
.footer__name {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 0.06em;
  color: var(--c-white);
  display: flex;
  flex-direction: column;
}
.footer__name-jp {
  font-family: var(--font-jp);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,.6);
  margin-top: var(--s-1);
}
.footer__tagline {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,.7);
}
.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-7);
}
.footer__nav-title {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-white);
  text-transform: uppercase;
  margin-bottom: var(--s-4);
}
.footer__nav-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.footer__nav-col a {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,.7);
}
.footer__nav-col a:hover { color: var(--c-white); }
.footer__details {
  padding: var(--s-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  font-size: 12px;
  color: rgba(255,255,255,.6);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__bottom {
  padding-top: var(--s-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
}
.footer__copy {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,.5);
}
.footer__sns { display: flex; gap: var(--s-3); }
.footer__sns a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  color: rgba(255,255,255,.7);
  transition: background-color var(--t-base) var(--ease), color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.footer__sns a:hover { background: var(--c-white); color: var(--c-black); border-color: var(--c-white); }

/* ===== Reveal animation (JS-gated; non-JS users see content normally) ===== */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
  will-change: opacity, transform;
}
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* =================================================
   RESPONSIVE
================================================= */
@media (max-width: 1024px) {
  :root { --pad-x: 32px; }
  .header__nav-list { gap: var(--s-5); }
  .news__list { grid-template-columns: 1fr; }
  .news__item { border-right: 0; border-bottom: 1px solid var(--c-grey-200); }
  .news__item:last-child { border-bottom: 0; }
  .about__grid { grid-template-columns: 1fr; gap: var(--s-8); }
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .ob-feature { grid-template-columns: 1fr; }
  .ob-feature__visual { min-height: 0; height: clamp(360px, 50vw, 480px); }
  .access { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root {
    --pad-x: 20px;
    --header-h: 60px;
    --promo-h: 56px;
    --s-11: 80px;
    --s-10: 64px;
  }
  body { font-size: 15px; }
  .br-pc { display: none; }
  .br-sp { display: inline; }

  /* promo banner — badge on line 1, message on line 2 (no wrap) */
  .promo-banner { height: auto; padding: 8px 0; }
  .promo-banner__inner {
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    padding: 0;
    overflow: hidden;
  }
  .promo-banner__badge { flex-shrink: 0; }
  .promo-banner__message {
    display: block;
    width: 100%;
    padding: 0 var(--s-3);
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    text-align: center;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .promo-banner__message::-webkit-scrollbar { display: none; }
  .promo-banner__text {
    display: inline;
    line-height: 1.4;
    white-space: nowrap;
  }
  .promo-banner__link {
    display: inline;
    margin-left: var(--s-2);
    white-space: nowrap;
  }

  /* Header */
  .header__inner { height: var(--header-h); }
  .header__logo-img { height: 30px; }
  .header__logo-text { font-size: 18px; }
  .header__nav {
    position: fixed;
    inset: 0;
    z-index: 1110;
    background: var(--c-white);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: calc(var(--header-h) + var(--s-6)) var(--pad-x) var(--s-7);
    gap: var(--s-5);
    transform: translateX(100%);
    transition: transform var(--t-base) var(--ease);
    overflow-y: auto;
    overscroll-behavior: none;
    -webkit-overflow-scrolling: auto;
  }
  .header__nav.is-open { transform: translateX(0); }
  body.is-menu-open .header {
    position: fixed;
    top: 0;
    z-index: 1120;
  }
  body.is-menu-open .header__logo-text { display: none; }
  body.is-menu-open .promo-banner { display: none; }
  .header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--s-5);
    width: 100%;
  }
  .header__nav-list a {
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 0.06em;
    color: var(--c-black);
  }
  .header__cta { align-self: flex-start; padding: 14px 28px; font-size: 14px; }
  .header__menu-btn { display: flex; }

  /* Hero */
  .hero { height: clamp(560px, 80vh, 760px); }
  .hero__title { font-size: clamp(56px, 14vw, 96px); }
  .hero__cta { flex-direction: column; align-items: stretch; gap: var(--s-2); }
  .hero__cta .btn { width: 100%; flex: none; padding: 14px 20px; }
  .hero__content { padding: 0 var(--pad-x) var(--s-3); }
  .hero__title { font-size: clamp(56px, 18vw, 110px); }
  .hero__sub { font-size: 15px; white-space: normal; }
  .hero__scroll { display: none; }
  .hero__cta { width: 100%; }
  .hero__cta .btn { flex: 1; padding: 14px 16px; }

  /* Sections */
  section { padding: var(--s-10) 0; }
  .section-head { margin-bottom: var(--s-7); }
  .section-title { font-size: clamp(40px, 12vw, 64px); }

  /* News */
  .news__item { padding: var(--s-6) var(--s-5); }
  .news__heading { font-size: 16px; }
  .news__excerpt { font-size: 13px; }

  /* About */
  .about__lead { font-size: 18px; }
  .about__stats { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: var(--s-5) var(--s-4); min-height: 140px; }
  .stat__num { font-size: 44px; }

  /* Philosophy */
  .philosophy__quote {
    font-size: clamp(18px, 6vw, 24px);
    padding-left: var(--s-4);
    border-left-width: 3px;
  }
  .philosophy__lead { white-space: normal; font-size: 15px; }
  .pillars { grid-template-columns: 1fr; }
  .pillar { min-height: auto; padding: var(--s-6) var(--s-5); }

  /* Staff */
  .staff__grid { grid-template-columns: 1fr; gap: var(--s-7); }
  .staff__header { padding: var(--s-6) var(--s-5); }
  .staff__name { font-size: 22px; }
  .staff__body { padding: var(--s-6) var(--s-5) var(--s-7); }

  /* Achievements */
  .hl-result { padding: var(--s-7) var(--s-5); }
  .hl-result__title { font-size: 18px; line-height: 1.5; }
  .timeline__item { grid-template-columns: 1fr; gap: var(--s-2); padding: var(--s-5) 0; }
  .timeline__year { font-size: 36px; }

  /* OB */
  .ob .section-desc { white-space: normal; }
  .ob-feature__body { padding: var(--s-7) var(--s-5); }
  .ob-feature__name { font-size: 28px; }
  .ob-feature__visual-num { font-size: 44px; }

  /* Schedule */
  .schedule { padding: var(--s-5) var(--s-4); }
  .schedule__header-spacer, .schedule__team { width: 64px; }
  .schedule__team-name { font-size: 12px; font-weight: 700; }
  .schedule__cells, .schedule__days { gap: 4px; }
  .schedule__cell { height: 32px; font-size: 10px; }
  .schedule__cell--off .schedule__label { font-size: 9px; }
  .schedule__day { font-size: 11px; }
  .schedule__legend { gap: var(--s-3); justify-content: center; }
  .schedule__legend-dot { width: 10px; height: 10px; }

  /* Access */
  .access__info { padding: var(--s-6) var(--s-5); }
  .access__title { font-size: 32px; }
  .access__map iframe { min-height: 280px; }

  /* Join */
  .join { padding: var(--s-10) 0; }
  .join__title { font-size: 32px; }
  .join__cta { flex-direction: column; }
  .join__cta .btn { width: 100%; }

  /* Contact */
  .contact__grid { grid-template-columns: 1fr; }
  .contact-card { padding: var(--s-6) var(--s-5); }
  .contact-card__value { font-size: 22px; }

  /* Sponsors */
  .sponsor__grid { grid-template-columns: repeat(2, 1fr); gap: var(--s-3); }
  .sponsor__link { padding: var(--s-6) var(--s-3); gap: var(--s-4); }
  .sponsor__logo { height: 60px; }
  .sponsor__name { font-size: 12px; }
  .sponsor__name-sub { font-size: 9px; letter-spacing: -0.01em; }

  /* Footer */
  .footer__top { padding-bottom: var(--s-6); gap: var(--s-7); }
  .footer__nav { grid-template-columns: repeat(3, 1fr); gap: var(--s-4); }
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: var(--s-3); }
}

@media (max-width: 480px) {
  .timeline__year { font-size: 28px; }
  .ob-feature__visual-num { font-size: 38px; }
  .footer__nav { grid-template-columns: 1fr 1fr; }
}