/* Hallmark · macrostructure: anime-key-visual narrative · genre: atmospheric / recruitment · tone: loud, nocturnal, confident
 * theme: studied-DNA (source: tankchair-anime.com) translated for Happy Ocean · studied: yes · DNA-source: url
 * observed-fonts: Anton + TASA Orbiter + Noto Sans JP · observed-accent: #D1F300 lime / #7B0FE0→#ED0DEA gradient / #000 paper
 * structure: layered KV → ruled list → gradient introduction w/ black text bands → full-bleed scene → taped panels → flicker contact → wordmark footer
 * motion: KV stagger · band wipe on scroll · circle-clip menu · hover glitch · tape loop · bg flicker · pre-emit critique: P4 H4 E4 S4 R4 V5
 */
:root {
  --color-paper: #000000;
  --color-ink: #000000;
  --color-on-dark: #ffffff;
  --color-muted: #9a9a9a;
  --color-rule: rgb(255 255 255 / .2);
  --color-lime: #d1f300;
  --color-purple: #7b0fe0;
  --color-magenta: #ed0dea;
  --color-blue: #5865f2;
  --color-orange: #ff8a1f;
  --color-cyan: #00e5ff;
  --color-line: #06c755;
  --color-plate: #ffffff;
  --color-pill: rgb(255 255 255 / .82);
  --color-pill-dark: rgb(0 0 0 / .82);
  --color-scrim: rgb(0 0 0 / .62);
  --color-focus: #d1f300;
  --font-display: 'Anton', 'Impact', sans-serif;
  --font-ui: 'TASA Orbiter', 'Arial', sans-serif;
  --font-body: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --content-width: 1120px;
  --ease: cubic-bezier(.25, .46, .45, .94);
  --ease-out: cubic-bezier(.22, 1, .36, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body { margin: 0; overflow-x: clip; background: var(--color-paper); color: var(--color-on-dark); font-family: var(--font-body); font-weight: 500; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, p, dl, dd { margin: 0; }
h1, h2, h3, .band, .about__catch { word-break: auto-phrase; }
em { font-style: normal; }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 4px; }
::selection { background: var(--color-lime); color: var(--color-ink); }
.skip-link { position: fixed; z-index: 1000; top: var(--space-4); left: var(--space-4); padding: var(--space-3) var(--space-4); background: var(--color-lime); color: var(--color-ink); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.shell { width: min(calc(100% - var(--space-12)), var(--content-width)); margin-inline: auto; }
section { scroll-margin-top: 0; }

/* 見出し：英字ディスプレイ＋小さな日本語 */
.sec-title { display: flex; flex-direction: column; gap: var(--space-2); font: 400 clamp(44px, 6vw, 88px)/1 var(--font-display); letter-spacing: .005em; }
.sec-title small { font: 700 13px/1.4 var(--font-body); letter-spacing: .14em; }
.sec-title--lime { color: var(--color-lime); font-size: clamp(32px, 3vw, 44px); }
.sec-title--lime small { color: var(--color-on-dark); }
.sec-title--ink { align-items: center; color: var(--color-ink); text-align: center; }
.sec-title--ghost { align-items: center; color: transparent; -webkit-text-stroke: 1.5px var(--color-on-dark); text-align: center; }
.sec-title--ghost small { color: var(--color-on-dark); -webkit-text-stroke: 0; }

/* 黒帯テキスト（スクロールで左から伸びる） */
.bands { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.band { display: inline-block; padding: 0 .22em; background: var(--color-ink); color: var(--color-on-dark); font-weight: 900; line-height: 1.42; letter-spacing: .02em; clip-path: inset(0 0 0 0); transition: clip-path 1s var(--ease); }
.band:nth-child(2) { transition-delay: .25s; }
.band:nth-child(3) { transition-delay: .5s; }
.band em { color: var(--color-magenta); }
.js [data-reveal]:not(.is-shown) .band { clip-path: inset(0 100% 0 0); }

/* 丸矢印つきピルボタン */
.pill { position: relative; display: inline-flex; align-items: center; justify-content: center; min-width: 240px; min-height: 52px; padding: 2px 60px 2px 24px; border: 1px solid rgb(0 0 0 / .8); border-radius: 999px; background: var(--color-pill); color: var(--color-ink); font: 800 15px/1.2 var(--font-ui); letter-spacing: .02em; white-space: nowrap; cursor: pointer; transition: background-color .3s var(--ease), color .3s var(--ease); }
.pill:hover { background: var(--color-on-dark); }
.pill:active { transform: translateY(1px); }
.pill__icon { position: absolute; top: 50%; right: 2px; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--color-lime); color: var(--color-ink); font: 800 18px/1 var(--font-ui); transform: translateY(-50%); transition: transform .3s var(--ease-out); }
.pill:hover .pill__icon { transform: translate(4px, -50%); }
.pill--dark { border-color: rgb(255 255 255 / .8); background: var(--color-pill-dark); color: var(--color-on-dark); }
.pill--dark:hover { background: var(--color-ink); }
.pill--line { border-color: var(--color-line); background: var(--color-line); color: var(--color-ink); }
.pill--line:hover { background: color-mix(in srgb, var(--color-line) 80%, var(--color-plate)); }
.pill--line .pill__icon { background: var(--color-ink); color: var(--color-line); }

/* グリッチ（ホバー／KVロゴは一度だけ） */
.glitch { position: relative; display: inline-block; }
.glitch::before, .glitch::after { content: attr(data-text); position: absolute; inset: 0; opacity: 0; pointer-events: none; }
.glitch::before { color: var(--color-magenta); }
.glitch::after { color: var(--color-cyan); }
a:hover .glitch::before, .is-glitching .glitch--once::before { animation: glitch-a .3s steps(3) 1; }
a:hover .glitch::after, .is-glitching .glitch--once::after { animation: glitch-b .3s steps(3) 1; }
a:hover .glitch, .is-glitching .glitch--once { animation: glitch-base .3s steps(3) 1; }
@keyframes glitch-a {
  0% { opacity: 1; clip-path: inset(10% 0 60% 0); transform: translate(-6px, 0); }
  33% { opacity: 1; clip-path: inset(55% 0 20% 0); transform: translate(5px, 0); }
  66% { opacity: 1; clip-path: inset(30% 0 45% 0); transform: translate(-3px, 0); }
  100% { opacity: 0; }
}
@keyframes glitch-b {
  0% { opacity: 1; clip-path: inset(65% 0 5% 0); transform: translate(6px, 0); }
  33% { opacity: 1; clip-path: inset(5% 0 75% 0); transform: translate(-5px, 0); }
  66% { opacity: 1; clip-path: inset(40% 0 35% 0); transform: translate(3px, 0); }
  100% { opacity: 0; }
}
@keyframes glitch-base { 33% { transform: translateX(2px); } 66% { transform: translateX(-2px); } }

/* 固定ロゴ＋ライムの四角メニュー */
.header-logo { position: fixed; z-index: 400; top: 12px; left: 20px; display: block; padding: 5px 10px; border-radius: 6px; background: var(--color-plate); transition: transform .2s var(--ease-out); }
.header-logo:hover { transform: translateY(-1px); }
.header-logo img { width: auto; height: 46px; }

.menu-toggle { position: fixed; z-index: 410; top: 0; right: 0; display: grid; place-items: center; width: 80px; height: 80px; padding: 0; border: 0; background: var(--color-lime); cursor: pointer; }
.menu-toggle__bars, .menu-toggle__bars::before, .menu-toggle__bars::after { display: block; width: 34px; height: 3px; background: var(--color-ink); transition: transform .3s var(--ease-out), background-color .2s var(--ease); }
.menu-toggle__bars { position: relative; }
.menu-toggle__bars::before, .menu-toggle__bars::after { content: ''; position: absolute; left: 0; }
.menu-toggle__bars::before { top: -10px; }
.menu-toggle__bars::after { top: 10px; }
.is-menu-open .menu-toggle__bars { background: transparent; }
.is-menu-open .menu-toggle__bars::before { transform: translateY(10px) rotate(45deg); }
.is-menu-open .menu-toggle__bars::after { transform: translateY(-10px) rotate(-45deg); }

.global-menu { position: fixed; z-index: 405; top: 0; right: 0; bottom: 0; display: flex; flex-direction: column; justify-content: center; gap: var(--space-10); width: min(100%, 480px); padding: var(--space-20) var(--space-12); background: var(--color-ink); border-left: 2px solid var(--color-lime); clip-path: circle(0% at 100% 0%); visibility: hidden; transition: clip-path .6s var(--ease), visibility 0s linear .6s; }
.is-menu-open .global-menu { clip-path: circle(150% at 100% 0%); visibility: visible; transition: clip-path .6s var(--ease) .1s, visibility 0s; }
.global-menu__nav, .global-menu__contact { opacity: 0; transition: opacity .25s var(--ease); }
.is-menu-open .global-menu__nav, .is-menu-open .global-menu__contact { opacity: 1; transition-delay: .55s; }
.global-menu__nav { display: flex; flex-direction: column; gap: var(--space-4); }
.global-menu__nav a { display: flex; align-items: baseline; gap: var(--space-4); width: fit-content; color: var(--color-on-dark); font: 400 clamp(38px, 5vw, 52px)/1.05 var(--font-display); white-space: nowrap; transition: color .2s var(--ease); }
.global-menu__nav a:hover { color: var(--color-lime); }
.global-menu__nav small { font: 700 12px/1 var(--font-body); color: var(--color-muted); letter-spacing: .08em; }
.global-menu__contact { display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-4); }
.global-menu__tel { font: 700 13px/1 var(--font-ui); color: var(--color-muted); letter-spacing: .1em; }
.global-menu__tel a { margin-left: var(--space-2); color: var(--color-lime); font-size: 18px; white-space: nowrap; }

.image-note { position: absolute; z-index: 3; right: var(--space-6); bottom: var(--space-6); padding: 2px var(--space-2); background: var(--color-scrim); color: var(--color-on-dark); font-size: 10px; }

/* フッター */
.site-footer { padding: var(--space-24) 0 var(--space-8); background: var(--color-paper); border-top: 1px solid var(--color-rule); }
.site-footer__inner { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--space-12); }
.site-footer__brand { display: flex; align-items: flex-end; gap: var(--space-6); }
.site-footer__logo { width: 200px; padding: 10px 14px; border-radius: 8px; background: var(--color-plate); }
.site-footer__wordmark { display: flex; align-items: flex-end; gap: var(--space-3); color: var(--color-lime); font: 400 clamp(64px, 9vw, 128px)/.84 var(--font-display); letter-spacing: .01em; }
.site-footer__wordmark small { writing-mode: vertical-rl; font: 900 clamp(16px, 1.6vw, 22px)/1 var(--font-body); letter-spacing: .1em; }
.site-footer__nav { display: grid; grid-template-columns: repeat(2, minmax(0, auto)); gap: var(--space-4) var(--space-16); }
.site-footer__nav a { font: 800 15px/1.2 var(--font-ui); letter-spacing: .06em; white-space: nowrap; transition: color .2s var(--ease); }
.site-footer__nav a:hover, .site-footer__bottom a:hover { color: var(--color-lime); }
.site-footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: var(--space-6); margin-top: var(--space-20); color: var(--color-muted); font: 600 11px/1.4 var(--font-ui); }
.site-footer__bottom a { white-space: nowrap; transition: color .2s var(--ease); }

@media (max-width: 860px) {
  .menu-toggle { width: 60px; height: 60px; }
  .menu-toggle__bars, .menu-toggle__bars::before, .menu-toggle__bars::after { width: 26px; }
  .menu-toggle__bars::before { top: -8px; }
  .menu-toggle__bars::after { top: 8px; }
  .is-menu-open .menu-toggle__bars::before { transform: translateY(8px) rotate(45deg); }
  .is-menu-open .menu-toggle__bars::after { transform: translateY(-8px) rotate(-45deg); }
  .header-logo { top: 8px; left: 12px; padding: 4px 8px; }
  .header-logo img { height: 36px; }
  .global-menu { padding: var(--space-20) var(--space-8); border-left: 0; }
  .site-footer__inner { flex-direction: column; }
}
@media (max-width: 480px) {
  .shell { width: min(calc(100% - var(--space-8)), var(--content-width)); }
  .pill { min-width: 0; width: 100%; }
  .site-footer { padding-top: var(--space-16); }
  .site-footer__brand { flex-direction: column; align-items: flex-start; }
  .site-footer__wordmark { font-size: 22vw; }
  .site-footer__nav { width: 100%; gap: var(--space-4); }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; margin-top: var(--space-12); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0ms !important; }
  .js [data-reveal]:not(.is-shown) .band { clip-path: none; }
}

/* 公式LINE 友だち追加ボタン（base の img height:auto を上書き） */
.line-add { display: inline-block; }
.line-add img { width: auto; height: 36px; }