@charset "UTF-8";
/* CSS Document */

/*--------------------------------------------*/
/* RESET & BASE */
/*--------------------------------------------*/
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #f0ede8;
  --ink:      #111110;
  --mid:      #555552;
  --faint:    #c8c4bc;
  --accent:   #111110;

  --f-en-display : 'Bebas Neue', 'Arial Narrow', sans-serif;
  --f-ja         : 'Noto Sans JP', 'Hiragino Kaku Gothic ProN',
                   'Hiragino Sans', 'Yu Gothic', sans-serif;
  --f-mono       : 'DM Mono', 'Courier New', monospace;

  --gutter: clamp(1.5rem, 5vw, 5rem);
}

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

body {
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--f-ja);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* Grain layer */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/*--------------------------------------------*/
/* SCROLL REVEAL */
/*--------------------------------------------*/
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible { opacity: 1; transform: none; }

/*--------------------------------------------*/
/* HEADER / HERO */
/*--------------------------------------------*/
header {
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: var(--gutter);
  position: relative;
  border-bottom: 1px solid var(--ink);
  overflow: hidden;
}

header::after {
  content: 'TW';
  position: absolute;
  bottom: -0.18em;
  right: -0.04em;
  font-family: var(--f-en-display);
  font-size: clamp(18rem, 38vw, 56rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--faint);
  pointer-events: none;
  letter-spacing: -0.02em;
  user-select: none;
}

.header-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  position: relative;
  z-index: 1;
}

.site-label {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mid);
  padding-top: 0.25rem;
}

.site-year {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  color: var(--mid);
  letter-spacing: 0.1em;
}

.hero-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 1;
}

h1 {
  font-family: var(--f-en-display);
  font-size: clamp(4.5rem, 16vw, 18rem);
  line-height: 0.88;
  letter-spacing: -0.01em;
  color: var(--ink);
  word-break: keep-all;
  margin-bottom: 0.15em;
}

.h1-ja {
  font-family: var(--f-ja);
  font-size: clamp(0.85rem, 1.8vw, 1.1rem);
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--mid);
  margin-top: 1.2rem;
}

.hero-sub {
  font-family: var(--f-mono);
  font-size: clamp(0.65rem, 1.2vw, 0.8rem);
  letter-spacing: 0.2em;
  color: var(--mid);
  text-transform: uppercase;
}

.header-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  position: relative;
  z-index: 1;
}

.hero-disciplines {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-disciplines span {
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mid);
  border-top: 1px solid var(--faint);
  padding-top: 0.5rem;
}

.scroll-cue {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--mid);
  writing-mode: vertical-rl;
  animation: nudge 2s ease-in-out infinite;
}

@keyframes nudge {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(8px); }
}

/*--------------------------------------------*/
/* MAIN LAYOUT */
/*--------------------------------------------*/
section {
  padding: clamp(4rem, 10vw, 9rem) var(--gutter);
  border-bottom: 1px solid var(--ink);
}

/*--------------------------------------------*/
/* SECTION LABELS */
/*--------------------------------------------*/
.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-label::before {
  content: attr(data-num);
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--mid);
  min-width: 2rem;
}

h2 {
  font-family: var(--f-en-display);
  font-size: clamp(3rem, 9vw, 10rem);
  line-height: 0.9;
  letter-spacing: -0.01em;
}

h2.h2-sm {
  font-size: clamp(2rem, 5vw, 5rem);
}

/*--------------------------------------------*/
/* NOTICE SECTION */
/*--------------------------------------------*/
#notice {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

@media (max-width: 700px) {
  #notice { grid-template-columns: 1fr; }
}

#notice .notice-body { padding-top: 0.5rem; }

#notice .notice-body p {
  font-family: var(--f-ja);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  font-weight: 300;
  line-height: 1.9;
  color: var(--mid);
}

#notice .notice-body p + p { margin-top: 1.2rem; }

#notice a {
  border-bottom: 1px solid var(--ink);
  color: var(--ink);
  padding-bottom: 0.05em;
  transition: opacity 0.2s;
}
#notice a:hover { opacity: 0.5; }

/*--------------------------------------------*/
/* PHILOSOPHY / RINEN SECTION */
/*--------------------------------------------*/
.rinen-catch {
  display: grid;
  grid-template-columns: 1fr;
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.rinen-catch-text { font-family: var(--f-ja); font-size: clamp(3rem, 9.5vw, 11rem); font-weight: 700; line-height: 1.05; letter-spacing: -0.03em; color: var(--ink); }

.rinen-prose {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem) clamp(3rem, 6vw, 8rem);
  margin-top: 4rem;
}

@media (max-width: 760px) {
  .rinen-prose { grid-template-columns: 1fr; }
}

.rinen-prose p { font-family: var(--f-ja); font-size: clamp(0.9rem, 1.4vw, 1rem); font-weight: 300; line-height: 1.95; color: var(--mid); border-top: 1px solid var(--faint); padding-top: 1rem; }

/*--------------------------------------------*/
/* ACTIVITIES SECTION */
/*--------------------------------------------*/
.activity-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

@media (max-width: 700px) {
  .activity-grid { grid-template-columns: 1fr; }
}

article.activity-item {
  border: 1px solid var(--ink);
  padding: clamp(2rem, 4vw, 3.5rem);
  position: relative;
  overflow: hidden;
  transition: background 0.3s ease;
}

article.activity-item:hover { background: var(--ink); }
article.activity-item:hover * { color: var(--bg) !important; }
article.activity-item:hover .activity-num { -webkit-text-stroke-color: var(--bg); }

article.activity-item:nth-child(n+3) { border-top: none; }
article.activity-item:nth-child(even) { border-left: none; }

.activity-num { font-family: var(--f-en-display); font-size: clamp(5rem, 10vw, 9rem); line-height: 1; color: transparent; -webkit-text-stroke: 1px var(--faint); display: block; margin-bottom: 1.5rem; transition: color 0.3s, -webkit-text-stroke-color 0.3s; }

h3.activity-title { font-family: var(--f-ja); font-size: clamp(1.1rem, 2vw, 1.5rem); font-weight: 700; letter-spacing: 0.02em; line-height: 1.3; color: var(--ink); margin-bottom: 0.5rem; transition: color 0.3s; }

.activity-tagline { font-family: var(--f-mono); font-size: 0.7rem; letter-spacing: 0.18em; color: var(--mid); margin-bottom: 1.2rem; transition: color 0.3s; }

.activity-desc { font-family: var(--f-ja); font-size: 0.85rem; font-weight: 300; line-height: 1.85; color: var(--mid); margin-bottom: 1rem; transition: color 0.3s; }

.activity-examples { font-family: var(--f-mono); font-size: 0.68rem; color: var(--faint); line-height: 1.7; letter-spacing: 0.04em; transition: color 0.3s; }

/*--------------------------------------------*/
/* TEAM INFO SECTION */
/*--------------------------------------------*/
.team-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 7vw, 9rem);
  align-items: start;
}

@media (max-width: 760px) {
  .team-inner { grid-template-columns: 1fr; }
}

.team-list-col ul li { font-family: var(--f-ja); font-size: clamp(0.8rem, 1.3vw, 0.9rem); font-weight: 300; line-height: 1.8; color: var(--mid); border-top: 1px solid var(--faint); padding: 0.75rem 0; }
.team-list-col ul li:last-child { border-bottom: 1px solid var(--faint); }

table {
  width: 100%;
  border-collapse: collapse;
}

thead tr th { font-family: var(--f-mono); font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--mid); padding: 0.5rem 0; text-align: left; border-bottom: 1px solid var(--ink); }

tbody tr th { font-family: var(--f-ja); font-size: clamp(0.78rem, 1.2vw, 0.88rem); font-weight: 500; color: var(--ink); padding: 1rem 1rem 1rem 0; border-bottom: 1px solid var(--faint); vertical-align: top; line-height: 1.6; width: 30%; white-space: nowrap; }

tbody tr td { font-family: var(--f-ja); font-size: clamp(0.78rem, 1.2vw, 0.88rem); font-weight: 300; color: var(--mid); padding: 1rem 0; border-bottom: 1px solid var(--faint); vertical-align: top; line-height: 1.7; }

tbody tr td a {
  border-bottom: 1px solid var(--faint);
  padding-bottom: 0.05em;
  transition: border-color 0.2s, opacity 0.2s;
}
tbody tr td a:hover { opacity: 0.5; border-color: var(--ink); }

/*--------------------------------------------*/
/* TOKUHŌ (TEASER) */
/*--------------------------------------------*/
#tokuho {
  display: flex;
  align-items: center;
  gap: clamp(2rem, 5vw, 6rem);
  flex-wrap: wrap;
}

.tokuho-label { font-family: var(--f-en-display); font-size: clamp(5rem, 15vw, 16rem); line-height: 0.88; letter-spacing: -0.02em; flex-shrink: 0; }

.tokuho-body { flex: 1 1 240px; }

.tokuho-body p { font-family: var(--f-ja); font-size: clamp(0.9rem, 1.5vw, 1.05rem); font-weight: 300; line-height: 1.9; color: var(--mid); }

.tokuho-link { display: inline-flex; align-items: center; gap: 0.7rem; margin-top: 1.8rem; font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink); border: 1px solid var(--ink); padding: 0.9rem 1.6rem; transition: background 0.25s, color 0.25s; }
.tokuho-link:hover { background: var(--ink); color: var(--bg); }
.tokuho-link .arr { transition: transform 0.25s; }
.tokuho-link:hover .arr { transform: translateX(5px); }

/*--------------------------------------------*/
/* FOOTER */
/*--------------------------------------------*/
footer {
  padding: clamp(2rem, 4vw, 3rem) var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

footer small { font-family: var(--f-mono); font-size: 0.62rem; letter-spacing: 0.18em; color: var(--mid); text-transform: uppercase; }

.footer-mark { font-family: var(--f-en-display); font-size: 1.4rem; letter-spacing: 0.05em; color: var(--faint); }

/*--------------------------------------------*/
/* CONTACT SECTION */
/*--------------------------------------------*/
#contact {
  padding: clamp(4rem, 10vw, 9rem) var(--gutter);
  border-bottom: 1px solid var(--ink);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 7vw, 9rem);
  align-items: start;
  margin-top: clamp(3rem, 6vw, 5rem);
}

@media (max-width: 760px) {
  .contact-inner { grid-template-columns: 1fr; }
}

.contact-desc {
  font-family: var(--f-ja);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  font-weight: 300;
  line-height: 1.95;
  color: var(--mid);
}

/* スパム対策：表示用テキスト（JSで生成） */
.contact-addr-display {
  font-family: var(--f-mono);
  font-size: clamp(0.85rem, 1.6vw, 1.05rem);
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--mid);
  display: block;
  border-top: 1px solid var(--faint);
  padding-top: 1rem;
  margin-bottom: 2.5rem;
  user-select: none;
}

.contact-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  border: 1px solid var(--ink);
  padding: 1rem 2rem;
  cursor: pointer;
  background: transparent;
  transition: background 0.25s, color 0.25s;
  position: relative;
  overflow: hidden;
}
.contact-cta:hover { background: var(--ink); color: var(--bg); }
.contact-cta:hover .contact-cta-arr { transform: translateX(5px); }
.contact-cta-arr { transition: transform 0.25s; display: inline-block; }

.contact-cta.copied::after {
  content: 'COPIED !';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  animation: fadeOut 1.4s ease forwards;
}

@keyframes fadeOut {
  0%   { opacity: 1; }
  70%  { opacity: 1; }
  100% { opacity: 0; }
}

.contact-deco {
  font-family: var(--f-en-display);
  font-size: clamp(5rem, 15vw, 16rem);
  line-height: 0.88;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--faint);
  display: block;
  margin-top: clamp(3rem, 6vw, 5rem);
  user-select: none;
  pointer-events: none;
}