@import url("https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=Noto+Sans+JP:wght@400;500;600;700;800;900&display=swap");

:root {
  --black: #0b0b0d;
  --black-2: #17171a;
  --paper: #f5f3ee;
  --white: #fff;
  --ink: #171719;
  --muted: #66666c;
  --line: #d8d4cc;
  --cyan: #24d8d0;
  --cyan-dark: #0f9f9a;
  --yellow: #f6d44a;
  --red: #f04b3f;
  --radius: 22px;
  --shadow: 0 18px 60px rgba(11,11,13,.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.container { width: min(100% - 32px, 1080px); margin-inline: auto; }
.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  height: 68px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  background: rgba(11,11,13,.92);
  color: var(--white);
  backdrop-filter: blur(14px);
}
.header-inner { display: flex; height: 100%; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--white); font-size: 13px; font-weight: 900; text-decoration: none; }
.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: var(--white);
  color: var(--black);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 13px;
  font-weight: 900;
}
.header-nav { display: flex; gap: 14px; align-items: center; }
.header-nav a { color: #d8d8dc; font-size: 11px; font-weight: 700; text-decoration: none; }
.header-nav .header-cta { padding: 8px 12px; border-radius: 999px; background: var(--cyan); color: var(--black); }
.breadcrumb { display: flex; gap: 8px; align-items: center; padding: 16px 0; color: var(--muted); font-size: 11px; overflow-x: auto; white-space: nowrap; }
.breadcrumb a { color: var(--cyan-dark); text-decoration: none; }
.breadcrumb span::before { content: "/"; margin-right: 8px; color: #aaa7a0; }
.page-hero { position: relative; padding: 42px 0 66px; overflow: hidden; background: var(--black); color: var(--white); }
.page-hero::after {
  content: "";
  position: absolute;
  right: -100px;
  bottom: -150px;
  width: 320px;
  height: 320px;
  border: 46px solid rgba(36,216,208,.2);
  border-radius: 50%;
}
.page-hero .container { position: relative; z-index: 1; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  color: var(--cyan);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 26px; height: 3px; background: currentColor; }
.page-title { max-width: 900px; margin: 0; font-size: clamp(38px, 10vw, 76px); font-weight: 900; letter-spacing: -.06em; line-height: 1.08; }
.page-lead { max-width: 700px; margin: 20px 0 0; color: #c2c2c7; font-size: 14px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-meta span { padding: 7px 12px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: #d9d9dd; font-size: 11px; }
.hero-price { margin-top: 22px; color: var(--cyan); font-family: "Barlow Condensed", sans-serif; font-size: 42px; font-weight: 800; line-height: 1; }
.hero-price small { margin-left: 8px; color: #a5a5aa; font-family: "Noto Sans JP", sans-serif; font-size: 11px; font-weight: 500; }
.content-wrap { display: grid; gap: 28px; padding: 48px 0 80px; }
.article-card, .side-card {
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}
.article-card h2 { margin: 0 0 20px; font-size: clamp(25px, 6vw, 36px); letter-spacing: -.04em; line-height: 1.3; }
.article-card h3 { margin: 34px 0 10px; padding-left: 13px; border-left: 4px solid var(--cyan); font-size: 19px; line-height: 1.45; }
.article-card p, .article-card li { color: #515157; font-size: 14px; }
.article-card ul, .article-card ol { padding-left: 24px; }
.article-card a { color: var(--cyan-dark); font-weight: 700; }
.notice { margin-top: 32px; padding: 20px; border-radius: 15px; background: #ece9e2; white-space: pre-wrap; }
.notice h2 { margin-bottom: 12px; font-size: 18px; }
.side-card { box-shadow: none; }
.side-card + .side-card { margin-top: 16px; }
.side-card h2 { margin: 0 0 14px; font-size: 17px; }
.fact-list { display: grid; gap: 10px; margin: 0; }
.fact-list div { display: flex; justify-content: space-between; gap: 18px; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.fact-list dt { color: var(--muted); font-size: 11px; }
.fact-list dd { margin: 0; font-size: 12px; font-weight: 800; text-align: right; }
.btn {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--cyan);
  color: var(--black);
  font-weight: 900;
  text-decoration: none;
}
.btn::after { content: "↗"; }
.side-card .btn { width: 100%; margin-top: 18px; }
.page-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 22px; }
.page-nav a { padding: 15px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); color: var(--ink); font-size: 12px; font-weight: 800; text-decoration: none; }
.page-nav a:last-child { text-align: right; }
.listing { padding: 52px 0 90px; }
.listing-head h1 { margin: 0; font-size: clamp(38px, 10vw, 72px); letter-spacing: -.06em; line-height: 1.05; }
.listing-head p { max-width: 660px; color: var(--muted); font-size: 14px; }
.card-grid { display: grid; gap: 14px; margin-top: 34px; }
.link-card {
  position: relative;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  align-items: center;
  min-height: 116px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(11,11,13,.05);
}
.number-badge {
  display: grid;
  width: 68px;
  height: 68px;
  place-items: center;
  border-radius: 17px;
  background: var(--black);
  color: var(--white);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
}
.link-card h2 { margin: 0; font-size: 16px; line-height: 1.4; }
.link-card p { margin: 5px 0 0; color: var(--muted); font-size: 11px; }
.link-card .price { display: block; margin-top: 8px; color: var(--cyan-dark); font-size: 15px; font-weight: 900; }
.profile-hero { padding-bottom: 0; }
.profile-grid { display: grid; gap: 30px; align-items: end; }
.profile-monogram {
  display: grid;
  width: min(76vw, 340px);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle, transparent 0 13px, rgba(36,216,208,.12) 13px 15px),
    var(--black-2);
  color: var(--cyan);
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(64px, 22vw, 130px);
  font-weight: 800;
  letter-spacing: -.08em;
  box-shadow: inset 0 0 0 14px var(--black);
}
.profile-body { padding: 48px 0 88px; }
.profile-body-grid { display: grid; gap: 28px; }
.credit-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 0; padding: 0; list-style: none; }
.credit-list li { padding: 7px 11px; border-radius: 999px; background: #e7e3db; color: #333338; font-size: 11px; font-weight: 700; }
.source-note { margin-top: 22px; color: var(--muted); font-size: 11px; }
.supervisor-card .number-badge { border-radius: 50%; background: var(--cyan); color: var(--black); font-size: 21px; }
.site-footer { padding: 34px 0; background: #050506; color: #85858c; font-size: 11px; }
.footer-brand { margin-bottom: 12px; color: var(--white); font-size: 16px; font-weight: 900; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 16px 0; }
.footer-links a { text-decoration: none; }

body.fab-open { overflow: hidden; }
.fab-scrim {
  position: fixed;
  z-index: 44;
  inset: 0;
  border: 0;
  background: rgba(5,5,6,.68);
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(4px);
  transition: opacity .3s ease;
}
.fab-open .fab-scrim { opacity: 1; pointer-events: auto; }
.drum-fab {
  position: fixed;
  z-index: 45;
  right: 14px;
  bottom: max(14px, env(safe-area-inset-bottom));
  width: 78px;
  height: 78px;
  pointer-events: none;
}
.fab-main {
  position: absolute;
  z-index: 7;
  right: 0;
  bottom: 0;
  display: grid;
  width: 74px;
  height: 74px;
  place-items: center;
  padding: 0;
  border: 4px solid var(--white);
  border-radius: 50%;
  background:
    repeating-linear-gradient(90deg, transparent 0 8px, rgba(255,255,255,.22) 8px 10px),
    var(--cyan);
  color: var(--black);
  box-shadow: 0 12px 35px rgba(0,0,0,.3), inset 0 0 0 3px var(--black);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .08em;
  cursor: pointer;
  pointer-events: auto;
  transition: transform .32s cubic-bezier(.2,.8,.2,1), background .2s ease;
}
.fab-main::before, .fab-main::after {
  content: "";
  position: absolute;
  left: 10px;
  width: 46px;
  height: 3px;
  border-radius: 2px;
  background: var(--black);
  transition: transform .25s ease, top .25s ease, bottom .25s ease;
}
.fab-main::before { top: 18px; }
.fab-main::after { bottom: 18px; }
.fab-open .fab-main { transform: rotate(8deg) scale(1.05); background: var(--yellow); }
.fab-open .fab-main::before { top: 32px; transform: rotate(45deg); }
.fab-open .fab-main::after { bottom: 31px; transform: rotate(-45deg); }
.fab-open .fab-main-label { opacity: 0; }
.fab-main-label { transition: opacity .18s ease; }
.drum-piece {
  --x: 0px;
  --y: 0px;
  --delay: 0ms;
  position: absolute;
  z-index: 4;
  right: 3px;
  bottom: 5px;
  display: grid;
  width: 68px;
  height: 68px;
  place-items: center;
  color: var(--white);
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transform: translate(0,0) scale(.35) rotate(18deg);
  transition: transform .44s cubic-bezier(.18,.9,.25,1.22) var(--delay), opacity .2s ease var(--delay);
}
.fab-open .drum-piece { opacity: 1; pointer-events: auto; transform: translate(var(--x),var(--y)) scale(1) rotate(0); }
.drum-piece:focus-visible { outline: 3px solid var(--yellow); outline-offset: 5px; }
.drum-piece strong {
  position: absolute;
  top: calc(100% + 5px);
  left: 50%;
  width: max-content;
  padding: 4px 8px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  background: rgba(11,11,13,.94);
  color: var(--white);
  font-size: 10px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  transform: translateX(-50%);
  box-shadow: 0 6px 16px rgba(0,0,0,.24);
}
.mini-drum {
  position: relative;
  display: grid;
  width: 60px;
  height: 54px;
  place-items: center;
  border: 3px solid var(--white);
  border-radius: 14px 14px 18px 18px;
  background: repeating-linear-gradient(90deg, transparent 0 11px, rgba(255,255,255,.18) 11px 13px), var(--cyan-dark);
  color: var(--white);
  box-shadow: 0 9px 20px rgba(0,0,0,.26), inset 0 0 0 2px var(--black);
  font-family: "Barlow Condensed", sans-serif;
  font-size: 10px;
  font-weight: 900;
}
.mini-drum::before, .mini-drum::after {
  content: "";
  position: absolute;
  right: 4px;
  left: 4px;
  height: 3px;
  border-radius: 2px;
  background: var(--white);
}
.mini-drum::before { top: 7px; }
.mini-drum::after { bottom: 7px; }
.drum-piece.cymbal .mini-drum {
  width: 68px;
  height: 28px;
  border-color: #fff7cb;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--black);
  box-shadow: 0 7px 0 #9f8421, 0 14px 22px rgba(0,0,0,.3);
}
.drum-piece.cymbal .mini-drum::before {
  top: 50%;
  right: auto;
  bottom: auto;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--black);
  transform: translate(-50%,-50%);
}
.drum-piece.cymbal .mini-drum::after {
  top: 25px;
  right: auto;
  bottom: auto;
  left: 50%;
  width: 3px;
  height: 31px;
  background: #d8d8db;
  transform: translateX(-50%);
}
.drum-piece.kick .mini-drum {
  width: 64px;
  height: 64px;
  border-width: 5px;
  border-radius: 50%;
  background: var(--black);
  color: var(--cyan);
  box-shadow: 0 9px 22px rgba(0,0,0,.32), inset 0 0 0 4px var(--cyan-dark);
}
.drum-piece.kick .mini-drum::before, .drum-piece.kick .mini-drum::after { display: none; }
.drum-piece.floor .mini-drum { height: 62px; background-color: var(--red); }
.drum-piece:nth-child(2) { --x: -236px; --y: -157px; --delay: 40ms; }
.drum-piece:nth-child(3) { --x: -166px; --y: -165px; --delay: 75ms; }
.drum-piece:nth-child(4) { --x: -92px; --y: -164px; --delay: 110ms; }
.drum-piece:nth-child(5) { --x: -14px; --y: -96px; --delay: 145ms; }
.drum-piece:nth-child(6) { --x: -152px; --y: -74px; --delay: 180ms; }

@media (min-width: 760px) {
  .container { width: min(100% - 64px, 1080px); }
  .header-nav { gap: 24px; }
  .header-nav a { font-size: 12px; }
  .page-hero { padding: 64px 0 88px; }
  .content-wrap { grid-template-columns: minmax(0, 1fr) 300px; gap: 36px; padding-top: 64px; }
  .article-card { padding: 38px; }
  .side-column { position: sticky; top: 92px; align-self: start; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .profile-grid { grid-template-columns: 1fr 360px; }
  .profile-monogram { order: 2; }
  .profile-body-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; }
  .drum-fab { right: 24px; bottom: 24px; }
  .drum-piece:nth-child(2) { --x: -284px; --y: -172px; }
  .drum-piece:nth-child(3) { --x: -202px; --y: -190px; }
  .drum-piece:nth-child(4) { --x: -116px; --y: -186px; }
  .drum-piece:nth-child(5) { --x: -22px; --y: -110px; }
  .drum-piece:nth-child(6) { --x: -178px; --y: -82px; }
}

@media (min-width: 1020px) {
  .card-grid.grade-list { grid-template-columns: repeat(3, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}