:root {
  --ink: #253128;
  --muted: #66756b;
  --green: #4f9a36;
  --green-button: #3e822e;
  --green-deep: #397c2d;
  --mint: #e9f6e7;
  --coral: #e89a8b;
  --red: #e0463f;
  --red-ink: #c93a31;
  --paper: #f9fcf8;
  --line: rgba(55, 91, 61, .14);
  --shadow: 0 24px 70px rgba(71, 105, 78, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, rgba(176, 225, 169, .25), transparent 26rem),
    radial-gradient(circle at 92% 28%, rgba(224, 70, 63, .12), transparent 24rem),
    var(--paper);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.8;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }
.shell { width: min(calc(100% - 48px), 1180px); margin: 0 auto; }

.site-head {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  border-bottom: 1px solid rgba(255,255,255,.72);
  background: rgba(249,252,248,.72);
  backdrop-filter: blur(18px);
}
.head-inner { height: 76px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; font: 600 1rem/1 "DM Sans", sans-serif; letter-spacing: .18em; }
.brand-mark { width: 28px; height: 28px; border-radius: 9px; background: var(--green); position: relative; box-shadow: 0 8px 18px rgba(92,168,64,.24); }
.brand-mark::after { content: ""; position: absolute; width: 8px; height: 8px; right: -3px; top: -3px; border: 3px solid var(--paper); border-radius: 50%; background: var(--red); }
.site-nav { display: flex; gap: clamp(18px, 3vw, 38px); font: 500 .78rem/1 "DM Sans", sans-serif; letter-spacing: .12em; }
.site-nav a { position: relative; padding: 10px 0; }
.site-nav a::after { content: ""; position: absolute; inset: auto 0 2px; height: 1px; background: var(--green); transform: scaleX(0); transition: transform .25s ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after, .site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line); border-radius: 14px; place-items: center; color: var(--ink); background: rgba(255,255,255,.72); cursor: pointer; }
.menu-bars, .menu-bars::before, .menu-bars::after { display: block; width: 18px; height: 2px; border-radius: 2px; background: currentColor; transition: transform .25s ease, background .25s ease; }
.menu-bars { position: relative; }
.menu-bars::before, .menu-bars::after { content: ""; position: absolute; left: 0; }
.menu-bars::before { top: -6px; }
.menu-bars::after { top: 6px; }
.site-head.is-open .menu-bars { background: transparent; }
.site-head.is-open .menu-bars::before { transform: translateY(6px) rotate(45deg); }
.site-head.is-open .menu-bars::after { transform: translateY(-6px) rotate(-45deg); }

.hero { position: relative; isolation: isolate; min-height: 100vh; min-height: 100svh; padding: 116px 0 40px; display: grid; align-items: center; overflow: hidden; overflow: clip; }
.hero::before, .hero::after { content: ""; position: absolute; z-index: -1; border-radius: 50%; pointer-events: none; }
.hero::before { width: 560px; height: 560px; left: max(-160px, calc(50% - 760px)); top: 8%; background: radial-gradient(circle, rgba(188,229,179,.6), rgba(237,248,235,0) 68%); animation: breathe 7s ease-in-out infinite; }
.hero::after { width: 420px; height: 420px; right: max(-120px, calc(50% - 700px)); top: 22%; background: radial-gradient(circle, rgba(224,70,63,.16), rgba(224,70,63,0) 68%); }
.hero-grid { display: grid; text-align: center; }
.eyebrow { margin: 0 0 20px; color: var(--green-deep); font: 600 .74rem/1.2 "DM Sans", sans-serif; letter-spacing: .24em; }
.hero h1 { margin: 0; font-family: "Zen Maru Gothic", "Noto Sans JP", sans-serif; font-size: clamp(3.2rem, 7.8vw, 6.9rem); font-weight: 700; line-height: 1.1; letter-spacing: -.03em; }
.hero h1 span { color: var(--green); }
.hero h1 .dot { color: var(--red); }
/* 句読点は字面が左半分なので、右の空きを詰めて見た目の中心を合わせる */
.hero h1 .punct, .hero h1 .dot { margin-right: -.5em; }
.hero h1 .punct { color: var(--ink); }
.hero-copy { max-width: 500px; margin: 30px auto 0; color: var(--muted); font-size: clamp(.96rem, 1.4vw, 1.06rem); }
.phrase { display: inline-block; }
.hero-actions { margin-top: 36px; display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 14px; }
.button { min-height: 52px; padding: 0 25px; border-radius: 999px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; font-size: .88rem; font-weight: 600; transition: transform .25s ease, box-shadow .25s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { color: white; background: var(--green-button); box-shadow: 0 14px 32px rgba(92,168,64,.24); }
.button-quiet { border: 1px solid var(--line); background: rgba(255,255,255,.54); }
.arrow { font-family: "DM Sans", sans-serif; }

.scroll-cue { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); display: grid; justify-items: center; gap: 8px; color: var(--muted); font: 500 .62rem/1 "DM Sans", sans-serif; letter-spacing: .2em; }
.scroll-cue::after { content: ""; width: 1px; height: 38px; background: var(--green); }

.section { padding: 118px 0; scroll-margin-top: 92px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 48px; }
.section-title { position: relative; margin: 0; padding-bottom: 22px; font: 700 clamp(2.3rem, 5vw, 3.7rem)/1.2 "Zen Maru Gothic", "Noto Sans JP", sans-serif; letter-spacing: .02em; }
.section-title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 96px; height: 12px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 96 12'%3E%3Cpath d='M2 7c8-6 14-6 22 0s14 6 22 0 14-6 22 0 14 6 22 0' fill='none' stroke='%234f9a36' stroke-width='3' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat; }
.section-en { display: block; margin-bottom: 10px; color: var(--green-deep); font: 600 .74rem/1 "DM Sans", sans-serif; letter-spacing: .24em; }
.section-num { color: var(--red-ink); font: 600 .74rem/1 "DM Sans", sans-serif; letter-spacing: .2em; }

.about-panel { padding: clamp(24px, 3vw, 38px); border: 1px solid rgba(255,255,255,.85); border-radius: 32px; background: rgba(255,255,255,.55); box-shadow: var(--shadow); backdrop-filter: blur(12px); display: grid; grid-template-columns: minmax(240px, 290px) 1fr; gap: clamp(36px, 5vw, 68px); align-items: stretch; }
.about-visual { min-height: 360px; position: relative; overflow: hidden; border-radius: 25px; background: radial-gradient(circle at 28% 24%, rgba(255,255,255,.9), transparent 32%), linear-gradient(145deg, #dff2dc, #f7e3dd); display: grid; place-items: center; }
.about-visual::after { content: ""; position: absolute; width: 170px; height: 170px; right: -56px; top: -48px; border: 1px solid rgba(92,168,64,.25); border-radius: 50%; }
.about-visual img { width: min(76%, 230px); aspect-ratio: 1; object-fit: cover; border: 8px solid rgba(255,255,255,.88); border-radius: 50%; box-shadow: 0 22px 46px rgba(46,81,54,.18); }
.about-sign { position: absolute; left: 20px; bottom: 18px; padding: 8px 13px; border: 1px solid rgba(255,255,255,.8); border-radius: 999px; color: var(--green-deep); background: rgba(255,255,255,.68); backdrop-filter: blur(10px); font: 600 .67rem/1 "DM Sans", sans-serif; letter-spacing: .16em; }
.about-copy { padding: 12px 0 4px; display: flex; flex-direction: column; justify-content: center; }
.about-kicker { margin: 0 0 16px; color: var(--green-deep); font: 600 .7rem/1 "DM Sans", sans-serif; letter-spacing: .2em; }
.about-lead { margin: 0; font-size: clamp(1.18rem, 1.7vw, 1.45rem); line-height: 1.7; letter-spacing: .01em; white-space: nowrap; }
.about-lead strong { color: var(--green-deep); font-weight: 600; }
.about-note { margin: 16px 0 28px; max-width: 680px; color: var(--muted); font-size: .9rem; }
.facts { margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 34px; }
.facts div { padding: 14px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 76px 1fr; gap: 12px; }
.facts div:nth-child(-n+2) { border-top: 1px solid var(--line); }
.facts dt { color: var(--muted); font: 500 .68rem/1.7 "DM Sans", sans-serif; letter-spacing: .14em; }
.facts dd { margin: 0; font-size: .9rem; }
.facts.facts-ja div { grid-template-columns: 7.5em 1fr; }
.facts-ja dt { font: 500 .76rem/1.9 "Noto Sans JP", sans-serif; letter-spacing: .06em; }
.about-more { align-self: flex-start; }
.profile-name { margin: 0 0 6px; display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 14px; font: 700 clamp(2rem, 4vw, 2.8rem)/1.2 "Zen Maru Gothic", "Noto Sans JP", sans-serif; }
.profile-name small { color: var(--muted); font: 500 .9rem/1 "DM Sans", "Noto Sans JP", sans-serif; letter-spacing: .12em; }
.profile-catch { margin: 0 0 18px; color: var(--green-deep); font: 700 1.05rem/1.6 "Zen Maru Gothic", "Noto Sans JP", sans-serif; }
.profile-catch .dot { color: var(--red); }
.profile-intro { margin: 0 0 12px; color: var(--muted); font-size: .92rem; }
.profile-intro strong { color: var(--ink); font-weight: 600; }
.profile-intro + .facts { margin-top: 16px; }
.page-top { padding-top: 150px; }
.contact-title { margin: 0 0 6px; font: 700 1.3rem/1.4 "Zen Maru Gothic", "Noto Sans JP", sans-serif; }
.back-link { margin-top: 28px; display: inline-flex; align-items: center; gap: 10px; color: var(--muted); font-size: .84rem; font-weight: 600; }
.back-link:hover { color: var(--ink); }

.link-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.link-card { min-height: 260px; padding: 30px; border: 1px solid var(--line); border-radius: 26px; background: rgba(255,255,255,.62); display: flex; flex-direction: column; transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease; }
.link-card:hover { transform: translateY(-7px); border-color: rgba(92,168,64,.38); box-shadow: var(--shadow); }
.link-icon { width: 52px; height: 52px; border-radius: 16px; background: var(--mint); display: grid; place-items: center; color: var(--green-deep); }
.link-icon svg { width: 26px; height: 26px; }
.link-icon-img { padding: 0; background: none; border-radius: 14px; }
.link-card h3 { margin: auto 0 4px; font: 500 1.65rem/1.2 "DM Sans", sans-serif; }
.link-card p { margin: 0; color: var(--muted); font-size: .82rem; }
.link-go { margin-top: 20px; display: flex; justify-content: space-between; align-items: center; font: 600 .7rem/1 "DM Sans", sans-serif; letter-spacing: .14em; }
.link-card.youtube .link-icon { background: #fdecea; color: #ff0033; }
.link-card.x .link-icon { color: white; background: var(--ink); }

.music-wrap { width: min(100vw, 1480px); margin-left: 50%; transform: translateX(-50%); overflow: hidden; }
.music-topline { width: min(calc(100% - 48px), 1180px); margin: 0 auto 22px; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.music-intro { margin: 0; color: var(--muted); font-size: .88rem; }
.music-intro strong { display: block; margin-bottom: 8px; color: var(--green-deep); font: 600 .7rem/1 "DM Sans", sans-serif; letter-spacing: .2em; }
.music-carousel { position: relative; }
.music-pause { min-height: 40px; padding: 0 16px; border: 1px solid var(--line); border-radius: 999px; display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; color: var(--ink); background: rgba(255,255,255,.7); cursor: pointer; font: 600 .7rem/1 "DM Sans", "Noto Sans JP", sans-serif; letter-spacing: .12em; transition: background .2s ease; }
.music-pause:hover { background: white; }
.music-viewport { overflow: hidden; padding: 22px 0 30px; touch-action: pan-y; cursor: grab; user-select: none; -webkit-user-select: none; }
.music-viewport.is-dragging { cursor: grabbing; }
.music-track { display: flex; align-items: center; gap: clamp(18px, 2.3vw, 34px); width: max-content; will-change: transform; transition: transform .75s cubic-bezier(.22,.72,.2,1); }
.music-track.no-transition { transition: none; }
.song-slide { position: relative; width: clamp(300px, 68vw, 850px); aspect-ratio: 16 / 9; flex: 0 0 auto; overflow: hidden; border-radius: 18px; background: #17201a; box-shadow: 0 18px 56px rgba(43,62,48,.18); opacity: .38; transform: scale(.86); transition: transform .75s cubic-bezier(.22,.72,.2,1), opacity .75s ease, box-shadow .75s ease; }
.song-slide.is-active { opacity: 1; transform: scale(1); box-shadow: 0 26px 72px rgba(43,62,48,.26); }
.song-slide img { width: 100%; height: 100%; object-fit: cover; }
.song-slide::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(to bottom, transparent, rgba(13,20,15,.76)); }
.song-info { position: absolute; z-index: 2; inset: auto 0 0; padding: clamp(18px, 3.5vw, 38px); color: white; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.song-info small { display: block; margin-bottom: 8px; color: rgba(255,255,255,.72); font: 600 .66rem/1 "DM Sans", sans-serif; letter-spacing: .18em; }
.song-info strong { display: block; font-size: clamp(1.05rem, 2.4vw, 1.8rem); line-height: 1.35; font-weight: 500; }
.song-play { width: clamp(46px, 5vw, 64px); aspect-ratio: 1; flex: 0 0 auto; padding-left: 3px; border-radius: 50%; display: grid; place-items: center; color: var(--ink); background: rgba(255,255,255,.94); box-shadow: 0 10px 24px rgba(0,0,0,.23); }
.music-control { position: absolute; z-index: 4; top: 50%; width: 58px; height: 58px; padding: 0; border: 1px solid var(--line); border-radius: 50%; color: var(--ink); background: rgba(255,255,255,.9); box-shadow: 0 12px 30px rgba(43,62,48,.12); cursor: pointer; font-size: 1.35rem; transform: translateY(-50%); transition: transform .2s ease, background .2s ease; }
.music-control:hover { background: white; transform: translateY(-50%) scale(1.06); }
.music-prev { left: max(18px, calc(50% - 500px)); }
.music-next { right: max(18px, calc(50% - 500px)); }
.music-dots { min-height: 28px; display: flex; align-items: center; justify-content: center; gap: 10px; }
.music-dot { width: 42px; height: 4px; padding: 0; border: 0; border-radius: 999px; background: #d3dcd4; cursor: pointer; transition: background .25s ease, width .25s ease; }
.music-dot.is-active { width: 58px; background: var(--red); }
.music-foot { width: min(calc(100% - 48px), 1180px); margin: 14px auto 0; display: flex; justify-content: flex-end; }
.playlist-link { display: inline-flex; align-items: center; gap: 10px; color: var(--muted); font-size: .82rem; font-weight: 600; }
.playlist-link:hover { color: var(--ink); }

.support-card { margin-top: 18px; padding: 22px clamp(22px, 3vw, 30px); border: 1px solid rgba(224,70,63,.22); border-radius: 26px; background: linear-gradient(120deg, rgba(253,236,234,.9), rgba(255,255,255,.7)); display: flex; align-items: center; gap: 20px; }
.support-icon { width: 52px; height: 52px; flex: 0 0 auto; border-radius: 16px; display: grid; place-items: center; color: white; background: var(--red); }
.support-icon svg { width: 24px; height: 24px; }
.support-text { flex: 1; display: grid; gap: 2px; }
.support-text small { color: #b8352d; font: 600 .68rem/1.4 "DM Sans", sans-serif; letter-spacing: .2em; }
.support-text strong { font: 700 1.2rem/1.4 "Zen Maru Gothic", "Noto Sans JP", sans-serif; }
.support-text span { color: var(--muted); font-size: .84rem; }
.support-actions { flex: 0 0 auto; display: flex; flex-wrap: wrap; gap: 10px; }
.support-go { flex: 0 0 auto; min-height: 44px; padding: 0 20px; border-radius: 999px; display: inline-flex; align-items: center; gap: 10px; color: white; background: var(--red-ink); font: 600 .78rem/1 "DM Sans", sans-serif; letter-spacing: .08em; transition: transform .2s ease, box-shadow .2s ease; }
.support-go:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(201,58,49,.22); }
.support-go-quiet { color: var(--red-ink); background: white; border: 1px solid rgba(201,58,49,.3); font-family: "Noto Sans JP", sans-serif; letter-spacing: .02em; }
.works-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 18px; align-items: stretch; }
.project-card { overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: rgba(255,255,255,.62); display: flex; flex-direction: column; }
.project-media { aspect-ratio: 16 / 9; overflow: hidden; background: var(--mint); }
.project-media img { width: 100%; height: 100%; object-fit: cover; }
.project-body { padding: clamp(22px, 3vw, 30px); }
.works-label { margin: 0 0 8px; color: var(--green-deep); font: 700 .74rem/1.4 "Noto Sans JP", sans-serif; letter-spacing: .12em; }
.project-body h3, .skills-card h3 { margin: 0; font: 700 1.5rem/1.35 "Zen Maru Gothic", "Noto Sans JP", sans-serif; }
.project-date { margin: 4px 0 12px; color: var(--red-ink); font: 600 .8rem/1.4 "DM Sans", "Noto Sans JP", sans-serif; letter-spacing: .06em; }
.project-note { margin: 0; color: var(--muted); font-size: .9rem; }
.skills-card { padding: clamp(24px, 3vw, 34px); border-radius: 26px; background: linear-gradient(150deg, var(--mint), rgba(255,255,255,.7)); border: 1px solid rgba(79,154,54,.2); display: flex; flex-direction: column; }
.skill-list { margin: 20px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 10px; }
.skill-list li { padding: 9px 16px; border-radius: 999px; background: white; border: 1px solid rgba(79,154,54,.25); font-size: .88rem; font-weight: 600; }
.skills-note { margin: auto 0 0; padding-top: 22px; color: var(--muted); font-size: .86rem; }
.guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.guide-card { padding: clamp(24px, 3vw, 34px); border: 1px solid var(--line); border-radius: 26px; background: rgba(255,255,255,.62); }
.guide-card h3 { margin: 0 0 14px; display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font: 700 1.3rem/1.4 "Zen Maru Gothic", "Noto Sans JP", sans-serif; }
.guide-badge { padding: 6px 12px; border-radius: 999px; color: var(--green-deep); background: var(--mint); font: 700 .72rem/1 "Noto Sans JP", sans-serif; letter-spacing: .06em; }
.guide-card > p { margin: 0 0 14px; color: var(--muted); font-size: .9rem; }
.guide-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: .88rem; }
.guide-list li { position: relative; padding-left: 20px; }
.guide-list li::before { content: ""; position: absolute; left: 2px; top: .72em; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.guide-list li.ng::before { background: var(--red); }
.contact-card { margin-top: 18px; padding: clamp(24px, 3vw, 34px); border-radius: 26px; background: var(--ink); color: white; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.contact-card h3 { margin: 0 0 6px; font: 700 1.3rem/1.4 "Zen Maru Gothic", "Noto Sans JP", sans-serif; }
.contact-card p { margin: 0; color: rgba(255,255,255,.74); font-size: .88rem; }
.contact-card .en { display: block; margin-bottom: 10px; color: #f08a83; font: 600 .7rem/1 "DM Sans", sans-serif; letter-spacing: .22em; }
.contact-card p.contact-mail { margin-bottom: 8px; color: white; font: 500 .95rem/1.4 "DM Sans", sans-serif; letter-spacing: .02em; word-break: break-all; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 10px; flex: 0 0 auto; }
.contact-actions .button { min-height: 46px; border: 0; color: var(--ink); background: white; cursor: pointer; font-family: inherit; }
.contact-actions .arrow[data-copy-label] { font-size: .66rem; letter-spacing: .14em; color: var(--muted); }

.collab { margin-top: 64px; }
.collab-head { margin-bottom: 22px; display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; }
.collab-unit { margin: 0; color: var(--muted); font-size: .84rem; }
.collab-unit a { color: var(--green-deep); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.collab-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.collab-card { overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.62); display: flex; flex-direction: column; transition: transform .3s ease, box-shadow .3s ease; }
.collab-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.collab-thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #17201a; }
.collab-thumb img { width: 100%; height: 100%; object-fit: cover; }
.collab-thumb .song-play { position: absolute; right: 16px; bottom: 16px; width: 48px; }
.collab-info { padding: 18px 22px 20px; display: grid; gap: 2px; }
.collab-info small { color: var(--red-ink); font: 600 .66rem/1.4 "DM Sans", "Noto Sans JP", sans-serif; letter-spacing: .14em; }
.collab-info strong { font: 700 1.2rem/1.4 "Zen Maru Gothic", "Noto Sans JP", sans-serif; }
.collab-info span { color: var(--muted); font-size: .82rem; }
.collab-foot { width: auto; gap: 22px; flex-wrap: wrap; }

footer { padding: 38px 0; border-top: 1px solid var(--line); }
.foot-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; color: var(--muted); font: 500 .68rem/1.5 "DM Sans", sans-serif; letter-spacing: .12em; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 22px; }

@keyframes breathe { 0%,100% { transform: scale(1) rotate(-2deg); } 50% { transform: scale(1.05) rotate(2deg); } }
@media (max-width: 820px) {
  .shell { width: min(calc(100% - 32px), 1180px); }
  .head-inner { height: 66px; }
  .site-nav { gap: 16px; }
  .hero { padding: 96px 0 24px; }
  .hero::before { width: 340px; height: 340px; left: -120px; top: 6%; }
  .hero::after { width: 260px; height: 260px; right: -90px; top: 40%; }
  .scroll-cue { display: none; }
  .section { padding: 84px 0; }
  .about-panel { grid-template-columns: 1fr; }
  .page-top { padding-top: 110px; }
  .about-visual { min-height: 290px; }
  .about-visual img { width: min(58%, 220px); }
  .about-lead { white-space: normal; }
  .link-grid { grid-template-columns: 1fr; }
  .link-card { min-height: 210px; }
  .guide-grid, .works-grid, .collab-grid { grid-template-columns: 1fr; }
  .support-card { flex-wrap: wrap; }
  .support-actions { flex: 1 1 100%; }
  .support-go { flex: 1 1 auto; justify-content: center; }
  .contact-card { flex-direction: column; align-items: flex-start; }
  .song-slide { width: min(82vw, 700px); border-radius: 14px; }
  .music-control { width: 48px; height: 48px; }
  .music-prev { left: 8px; }
  .music-next { right: 8px; }
}
@media (max-width: 520px) {
  .brand { font-size: .88rem; }
  .hero h1 { font-size: clamp(3rem, 17vw, 4.5rem); }
  .section-head { margin-bottom: 34px; }
  .section-title { font-size: 2.1rem; }
  .about-panel { padding: 28px 23px; border-radius: 24px; }
  .about-lead { font-size: 1.18rem; }
  .facts { grid-template-columns: 1fr; }
  .facts div:nth-child(2) { border-top: 0; }
  .facts div { grid-template-columns: 76px 1fr; }
  .music-topline { align-items: flex-start; }
  .music-intro { max-width: 210px; }
  .song-slide { width: 84vw; border-radius: 12px; }
  .song-info { padding: 16px; }
  .music-control { width: 44px; height: 44px; font-size: 1rem; }
  .music-dot { width: 24px; }
  .music-dot.is-active { width: 36px; }
  .foot-inner { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 640px) {
  .menu-toggle { display: grid; }
  .site-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; gap: 0; padding: 4px 16px 16px; border-bottom: 1px solid var(--line); background: var(--paper); font-size: .82rem; box-shadow: 0 18px 40px rgba(43,62,48,.1); }
  .site-head.is-open .site-nav { display: flex; }
  .site-nav a { padding: 16px 4px; border-bottom: 1px solid var(--line); }
  .site-nav a:last-child { border-bottom: 0; }
  .site-nav a::after { display: none; }
  .site-nav a[aria-current="page"] { color: var(--green-deep); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}