/* =========================================================
   目標達成プログラム ｜ 髙木 晴
   ========================================================= */
:root {
  --black: #0d0d0d;
  --ink: #1a1a1a;
  --gray: #8a8a8a;
  --line: #dcdcdc;
  --paper: #f4f2ee;
  --white: #fff;
  --en: "Jost", "Futura", "Helvetica Neue", sans-serif;
  --ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --ease: cubic-bezier(.19, 1, .22, 1);
  --header-h: 88px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--ja);
  font-size: 15px;
  line-height: 2;
  letter-spacing: .08em;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
body.is-loading, body.is-menu-open { overflow: hidden; }

h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { width: min(1200px, 100% - 96px); margin-inline: auto; }
.sp-only { display: none; }

/* ---------- Mask (line reveal) ---------- */
.mask { display: block; overflow: hidden; }
.mask > span {
  display: block;
  transform: translateY(105%);
  transition: transform 1.2s var(--ease);
}
.is-in .mask > span,
.mask.is-in > span { transform: none; }
.mask:nth-child(2) > span { transition-delay: .08s; }
.mask:nth-child(3) > span { transition-delay: .16s; }

/* ---------- Generic reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.2s var(--ease), transform 1.2s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- Letters (EN heading) ---------- */
.js-letters .ch {
  display: inline-block;
  opacity: 0;
  transform: translateY(.4em);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: calc(var(--i) * 40ms);
}
.js-letters.is-in .ch { opacity: 1; transform: none; }

/* ---------- Image reveal ---------- */
.img-reveal { overflow: hidden; clip-path: inset(0 0 100% 0); transition: clip-path 1.6s var(--ease); }
.img-reveal img { transform: scale(1.25); transition: transform 2.2s var(--ease); }
.img-reveal.is-in { clip-path: inset(0 0 0 0); }
.img-reveal.is-in img { transform: scale(1); }

/* ---------- Heading ---------- */
.heading { margin-bottom: 64px; }
.heading__en {
  font-family: var(--en);
  font-weight: 300;
  font-size: clamp(44px, 6.4vw, 88px);
  line-height: 1;
  letter-spacing: .04em;
}
.heading__ja { margin-top: 18px; font-size: 14px; font-weight: 500; letter-spacing: .2em; }
.heading--light { color: var(--white); }

/* =========================================================
   Opening
   ========================================================= */
.opening {
  position: fixed; inset: 0; z-index: 1000;
  display: grid; place-content: center; gap: 28px;
  background: var(--black); color: var(--white);
  transition: transform 1.2s var(--ease) .1s;
}
.opening__text {
  font-family: var(--en); font-weight: 300; text-align: center;
  font-size: clamp(22px, 3vw, 34px); line-height: 1.3; letter-spacing: .24em;
}
.opening__bar { display: block; height: 1px; background: rgba(255,255,255,.2); position: relative; overflow: hidden; }
.opening__bar::after {
  content: ""; position: absolute; inset: 0; background: var(--white);
  transform: scaleX(0); transform-origin: left; transition: transform 1.1s var(--ease) .3s;
}
.opening.is-in .opening__bar::after { transform: scaleX(1); }
.opening.is-done { transform: translateY(-100%); }

/* =========================================================
   Header
   ========================================================= */
.header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); padding: 0 48px;
  color: var(--white);
  transition: transform .6s var(--ease), background .4s, color .4s, height .4s;
}
.header.is-solid { background: rgba(255,255,255,.96); color: var(--ink); --header-h: 72px; box-shadow: 0 1px 0 rgba(0,0,0,.06); }
.header.is-hidden { transform: translateY(-100%); }
.header__logo { display: flex; flex-direction: column; line-height: 1.2; }
.header__logo-en { font-family: var(--en); font-weight: 500; font-size: 18px; letter-spacing: .18em; }
.header__logo-sub { font-family: var(--en); font-weight: 300; font-size: 11px; letter-spacing: .2em; opacity: .7; }

.nav__list { display: flex; gap: 44px; }
.nav__list a { display: flex; flex-direction: column; align-items: center; line-height: 1.4; }
.nav__en { font-family: var(--en); font-size: 13px; letter-spacing: .16em; position: relative; }
.nav__en::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right; transition: transform .5s var(--ease);
}
.nav__list a:hover .nav__en::after { transform: scaleX(1); transform-origin: left; }
.nav__ja { font-size: 10px; letter-spacing: .12em; opacity: .6; }

.menu-btn { display: none; }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  height: 100vh; height: 100svh; min-height: 620px;
  overflow: hidden;
  color: var(--white);
  background: var(--black);
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img {
  width: 100%; height: 100%; object-fit: cover; object-position: 60% 70%;
  transform: scale(1.15);
  transition: transform 3.5s var(--ease);
}
.hero.is-in .hero__bg img { transform: scale(1); animation: slowZoom 24s linear 3.5s infinite alternate; }
@keyframes slowZoom { to { transform: scale(1.08); } }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,.72) 0%, rgba(0,0,0,.35) 55%, rgba(0,0,0,.1) 100%);
}
.hero__content {
  position: relative; z-index: 1;
  height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  width: min(1200px, 100% - 96px); margin-inline: auto;
}
.hero__title {
  font-family: var(--en); font-weight: 300;
  font-size: clamp(48px, 9vw, 132px);
  line-height: 1; letter-spacing: .02em;
}
.hero__title .mask { padding-bottom: .06em; }
.hero__copy { margin-top: 40px; font-size: clamp(20px, 2.2vw, 28px); font-weight: 500; line-height: 1.7; letter-spacing: .16em; }
.hero__copy .mask:nth-child(1) > span { transition-delay: .5s; }
.hero__copy .mask:nth-child(2) > span { transition-delay: .6s; }
.hero__name {
  margin-top: 32px; font-size: 14px; letter-spacing: .2em;
  opacity: 0; transition: opacity 1.4s ease .9s;
}
.hero__name span { margin-right: 1.2em; opacity: .7; font-size: 12px; }
.hero.is-in .hero__name { opacity: 1; }
.hero__scroll {
  position: absolute; right: 48px; bottom: 0; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  font-family: var(--en); font-size: 11px; letter-spacing: .24em;
}
.hero__scroll span { writing-mode: vertical-rl; }
.hero__scroll::after {
  content: ""; width: 1px; height: 80px;
  background: linear-gradient(var(--white) 50%, rgba(255,255,255,.25) 50%);
  background-size: 1px 200%;
  animation: scrollLine 2.2s var(--ease) infinite;
}
@keyframes scrollLine { from { background-position: 0 100%; } to { background-position: 0 -100%; } }

/* =========================================================
   Concept
   ========================================================= */
.concept { padding: 180px 0 160px; }
.concept__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 96px; align-items: center; }
.concept__statement {
  font-size: clamp(26px, 3.1vw, 42px); font-weight: 500; line-height: 1.7; letter-spacing: .1em;
  margin-bottom: 56px;
}
.concept__body p + p { margin-top: 1.6em; }
.concept__photo { aspect-ratio: 4 / 5; }
.concept__photo img { width: 100%; height: 100%; object-fit: cover; object-position: 38% center; }

/* =========================================================
   Program
   ========================================================= */
.program { background: var(--black); color: var(--white); padding: 160px 0 170px; overflow: hidden; }

.roadmap { position: relative; aspect-ratio: 1000 / 420; margin: 0 auto 120px; max-width: 1080px; }
.roadmap__svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.roadmap__path { fill: none; stroke: url(#roadGrad); stroke-width: 26; stroke-linecap: round; }
.roadmap__circle {
  position: absolute; width: 132px; height: 132px; transform: translate(-50%, -50%);
  display: grid; place-items: center; text-align: center;
  border: 1px solid rgba(255,255,255,.6); border-radius: 50%;
  font-size: 15px; line-height: 1.7; letter-spacing: .14em;
  opacity: 0; transition: opacity 1s ease, transform 1s var(--ease);
}
.roadmap__circle--start { left: 11%; top: 85.7%; transform: translate(-50%, -50%) scale(.8); }
.roadmap__circle--goal { left: 89%; top: 16.7%; transform: translate(-50%, -50%) scale(.8); }
.roadmap__circle.is-on { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.roadmap__circle--goal.is-on { background: var(--white); color: var(--black); }
.roadmap__node { position: absolute; left: var(--x); top: var(--y); }
.roadmap__dot {
  position: absolute; width: 22px; height: 22px; left: -11px; top: -11px;
  background: var(--white); border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(255,255,255,.5);
  transform: scale(0); transition: transform .6s var(--ease);
}
.roadmap__node.is-on .roadmap__dot { transform: scale(1); animation: pulse 2.4s ease-out .6s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255,255,255,.45); } 100% { box-shadow: 0 0 0 18px rgba(255,255,255,0); } }
.roadmap__label {
  position: absolute; left: 50%; bottom: 26px; transform: translate(-50%, 10px);
  white-space: nowrap; text-align: center; line-height: 1.4;
  font-size: 17px; font-weight: 500; letter-spacing: .14em;
  opacity: 0; transition: opacity .8s ease .15s, transform .8s var(--ease) .15s;
}
.roadmap__label small { display: block; font-family: var(--en); font-weight: 300; font-size: 13px; letter-spacing: .2em; opacity: .6; }
.roadmap__node.is-on .roadmap__label { opacity: 1; transform: translate(-50%, 0); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid rgba(255,255,255,.2); }
.steps__item { padding: 40px 32px 0 0; }
.steps__item + .steps__item { padding-left: 32px; border-left: 1px solid rgba(255,255,255,.2); }
.steps__item:nth-child(2) { transition-delay: .1s; }
.steps__item:nth-child(3) { transition-delay: .2s; }
.steps__item:nth-child(4) { transition-delay: .3s; }
.steps__num { font-family: var(--en); font-weight: 300; font-size: 32px; line-height: 1; letter-spacing: .06em; }
.steps__num span { font-size: 11px; letter-spacing: .24em; opacity: .5; vertical-align: middle; margin-left: 8px; }
.steps__item h3 { margin: 20px 0 14px; font-size: 18px; font-weight: 500; letter-spacing: .14em; }
.steps__item p:last-child { font-size: 14px; line-height: 2; color: rgba(255,255,255,.72); }

/* =========================================================
   Band
   ========================================================= */
.band { position: relative; overflow: hidden; color: var(--white); padding: 200px 0; background: var(--black); }
.band__bg { position: absolute; inset: -20% 0; }
.band__bg img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; opacity: .5; filter: grayscale(.3); }
.band__inner { position: relative; display: flex; justify-content: space-between; align-items: flex-end; gap: 48px; flex-wrap: wrap; }
.band__num { font-family: var(--en); font-weight: 300; font-size: clamp(96px, 14vw, 200px); line-height: .9; letter-spacing: -.01em; }
.band__plus { font-size: .5em; vertical-align: top; margin-left: .05em; }
.band__label { margin-top: 20px; font-size: 14px; letter-spacing: .2em; }
.band__tags { display: flex; flex-wrap: wrap; gap: 12px; max-width: 460px; justify-content: flex-end; transition-delay: .2s; }
.band__tags li { padding: 6px 20px; border: 1px solid rgba(255,255,255,.6); border-radius: 999px; font-size: 13px; }

/* =========================================================
   Profile
   ========================================================= */
.profile { padding: 180px 0; }
.profile__inner { display: grid; grid-template-columns: 5fr 7fr; gap: 104px; align-items: start; }
.profile__side { position: sticky; top: 120px; }
.profile__photo { aspect-ratio: 2 / 3; background: #000; max-width: 420px; }
.profile__photo img { width: 100%; height: 100%; object-fit: cover; }
.profile__main { padding-top: 12px; }
.profile__name { font-size: clamp(34px, 3.6vw, 48px); font-weight: 500; letter-spacing: .2em; line-height: 1.3; }
.profile__name span { display: block; margin-top: 10px; font-family: var(--en); font-weight: 300; font-size: 15px; letter-spacing: .3em; color: var(--gray); }
.profile__role { margin-top: 28px; font-size: 14px; color: #555; }

.history { margin-top: 72px; border-top: 1px solid var(--ink); }
.history__row { display: grid; grid-template-columns: 160px 1fr; padding: 40px 0; border-bottom: 1px solid var(--line); }
.history dt { font-family: var(--en); font-weight: 400; font-size: 13px; letter-spacing: .24em; padding-top: 3px; }
.history li + li { margin-top: 18px; }
.history li { line-height: 1.8; }
.history small { display: block; margin-top: 2px; font-size: 13px; color: var(--gray); letter-spacing: .06em; }

/* =========================================================
   Gallery (marquee)
   ========================================================= */
.gallery { overflow: hidden; padding: 0 0 180px; }
.gallery__track { display: flex; width: max-content; animation: marquee 60s linear infinite; }
.gallery:hover .gallery__track { animation-play-state: paused; }
.gallery__set { display: flex; gap: 24px; padding-right: 24px; }
.gallery__set img { height: 380px; width: auto; aspect-ratio: auto; object-fit: cover; filter: grayscale(1); transition: filter .8s ease; }
.gallery__set img:hover { filter: none; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =========================================================
   Message
   ========================================================= */
.message { position: relative; overflow: hidden; color: var(--white); padding: 200px 0; background: var(--black); }
.message__bg { position: absolute; inset: -15% 0; }
.message__bg img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 40%; }
.message__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.85) 0%, rgba(0,0,0,.6) 50%, rgba(0,0,0,.25) 100%); }
.message__inner { position: relative; }
.message__body { max-width: 620px; }
.message__body p { font-size: 17px; line-height: 2.3; }
.message__body p + p { margin-top: 2em; }
.message__sign { margin-top: 56px; font-size: 20px; letter-spacing: .3em; }

/* =========================================================
   Footer
   ========================================================= */
.footer { background: var(--black); color: var(--white); padding: 120px 0 40px; border-top: 1px solid rgba(255,255,255,.12); }
.footer__big { font-family: var(--en); font-weight: 300; font-size: clamp(40px, 7.4vw, 108px); line-height: 1.05; letter-spacing: .02em; }
.footer__bottom { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap; margin-top: 96px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.2); }
.footer__nav { display: flex; gap: 36px; flex-wrap: wrap; font-size: 13px; }
.footer__nav a { opacity: .75; transition: opacity .3s; }
.footer__nav a:hover { opacity: 1; }
.footer__rights { font-family: var(--en); font-size: 11px; letter-spacing: .2em; opacity: .5; }

/* =========================================================
   Reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .mask > span, [data-reveal], .js-letters .ch, .img-reveal img { opacity: 1; transform: none; }
  .img-reveal { clip-path: none; }
  .roadmap__circle, .roadmap__label, .roadmap__dot { opacity: 1; }
  .opening { display: none; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .wrap, .hero__content { width: calc(100% - 64px); }
  .header { padding: 0 32px; }
  .nav__list { gap: 28px; }
  .concept__inner, .profile__inner { gap: 64px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps__item { padding-bottom: 40px; }
  .steps__item:nth-child(3) { padding-left: 0; border-left: 0; }
  .steps__item:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.2); }
  .roadmap__circle { width: 104px; height: 104px; font-size: 13px; }
}

@media (max-width: 820px) {
  :root { --header-h: 64px; }
  .header, .header.is-solid { --header-h: 64px; padding: 0 20px; }
  .menu-btn {
    display: block; position: relative; z-index: 120;
    width: 44px; height: 44px; margin-right: -10px; border: 0; background: none; color: inherit; cursor: pointer;
  }
  .menu-btn span { position: absolute; left: 10px; width: 24px; height: 1px; background: currentColor; transition: transform .4s var(--ease), top .4s var(--ease); }
  .menu-btn span:first-child { top: 18px; }
  .menu-btn span:last-child { top: 26px; }
  .menu-btn[aria-expanded="true"] { color: var(--white); }
  .menu-btn[aria-expanded="true"] span:first-child { top: 22px; transform: rotate(30deg); }
  .menu-btn[aria-expanded="true"] span:last-child { top: 22px; transform: rotate(-30deg); }
  .nav {
    position: fixed; inset: 0; z-index: 110;
    display: grid; place-items: center;
    background: var(--black); color: var(--white);
    clip-path: circle(0 at calc(100% - 32px) 32px);
    transition: clip-path .8s var(--ease);
  }
  .nav.is-open { clip-path: circle(150% at calc(100% - 32px) 32px); }
  .nav__list { flex-direction: column; gap: 36px; }
  .nav__en { font-size: 26px; font-weight: 300; }
  .nav__ja { font-size: 11px; margin-top: 4px; }

  .sp-only { display: inline; }
  .pc-only { display: none; }

  .wrap, .hero__content { width: calc(100% - 40px); }
  .heading { margin-bottom: 44px; }

  .hero__bg img { object-position: 62% 75%; }
  .hero__bg::after { background: linear-gradient(0deg, rgba(0,0,0,.75) 0%, rgba(0,0,0,.35) 60%, rgba(0,0,0,.2) 100%); }
  .hero__content { justify-content: flex-end; padding-bottom: 120px; }
  .hero__title { font-size: 11.4vw; }
  .hero__copy { margin-top: 28px; }
  .hero__scroll { right: 20px; }

  .concept { padding: 110px 0; }
  .concept__inner, .profile__inner { grid-template-columns: 1fr; gap: 56px; }
  .concept__statement { margin-bottom: 40px; }

  .program { padding: 110px 0; }
  .roadmap { display: none; }
  .steps { grid-template-columns: 1fr; border-top: 0; position: relative; padding-left: 36px; }
  .steps::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 1px; background: linear-gradient(rgba(255,255,255,.1), rgba(255,255,255,.8)); }
  .steps__item, .steps__item + .steps__item, .steps__item:nth-child(3) { position: relative; padding: 0 0 48px; border: 0; }
  .steps__item:nth-child(n+3) { border-top: 0; }
  .steps__item::before { content: ""; position: absolute; left: -36px; top: 8px; width: 13px; height: 13px; border-radius: 50%; background: var(--white); }
  .steps__item:last-child { padding-bottom: 0; }

  .band { padding: 120px 0; }
  .band__tags { justify-content: flex-start; }

  .profile { padding: 110px 0; }
  .profile__side { position: static; }
  .profile__photo { max-width: 320px; }
  .history { margin-top: 48px; }
  .history__row { grid-template-columns: 1fr; gap: 16px; padding: 32px 0; }

  .gallery { padding-bottom: 110px; }
  .gallery__set { gap: 12px; padding-right: 12px; }
  .gallery__set img { height: 240px; }

  .message { padding: 120px 0; }
  .message__bg img { object-position: 60% 40%; }
  .message__bg::after { background: rgba(0,0,0,.66); }
  .message__body p { font-size: 15px; }

  .footer { padding: 88px 0 32px; }
  .footer__bottom { margin-top: 64px; flex-direction: column; align-items: flex-start; }
}