/* ==========================================================
   BOOOST LP
   Palette: black / gray / white / concrete（ゴールド・グリーン主体は不使用）
   ========================================================== */

:root {
  --black: #0b0b0b;
  --ink: #141414;
  --charcoal: #1d1d1c;
  --graphite: #3a3a38;
  --concrete: #8c8b87;
  --stone: #b9b8b3;
  --mist: #e4e3df;
  --paper: #f2f1ee;
  --white: #ffffff;

  --line: rgba(20, 20, 20, 0.14);
  --line-light: rgba(255, 255, 255, 0.18);

  --font-en: "Barlow Condensed", "Helvetica Neue", Arial, sans-serif;
  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;

  --header-h: 72px;
  --gutter: clamp(20px, 5vw, 64px);
  --section-y: clamp(96px, 14vw, 180px);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ja);
  font-weight: 300;
  font-size: 15px;
  line-height: 2;
  letter-spacing: 0.06em;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt" 0;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
figure, dl, dd, h1, h2, h3, p { margin: 0; }
address { font-style: normal; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 1px solid currentColor; outline-offset: 4px; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 var(--gutter); }
.container--narrow { max-width: 980px; }
.section { padding: var(--section-y) 0; }
.sp-only { display: inline; }
@media (min-width: 768px) { .sp-only { display: none; } }

/* concrete texture（表示上の質感。写真には適用しない） */
.about, .price {
  background-color: var(--paper);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- typography ---------- */
.label {
  font-family: var(--font-en);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.32em;
  color: var(--concrete);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.label::before { content: ""; width: 32px; height: 1px; background: currentColor; }
.label--light { color: var(--stone); }

.heading {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.8;
  letter-spacing: 0.1em;
  margin-bottom: 40px;
}
.body-text p + p { margin-top: 1.4em; }
.body-text { color: var(--graphite); }
.body-text--light { color: rgba(255, 255, 255, 0.78); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 36px;
  font-family: var(--font-ja);
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 0.14em;
  border: 1px solid transparent;
  transition: background-color .4s var(--ease), color .4s var(--ease), border-color .4s var(--ease);
  white-space: nowrap;
}
.btn--line { background: var(--white); color: var(--black); border-color: var(--white); }
.btn--line:hover { background: transparent; color: var(--white); }
.btn--sm { min-height: 42px; padding: 0 22px; font-size: 13px; }
.btn--wide { width: 100%; max-width: 360px; }
.btn--outline { border-color: var(--line); color: var(--ink); }
.btn--outline:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }

/* light-background sections: dark primary button */
.howto .btn--line, .access .btn--line { background: var(--ink); color: var(--white); border-color: var(--ink); }
.howto .btn--line:hover, .access .btn--line:hover { background: transparent; color: var(--ink); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 13px; letter-spacing: 0.14em;
  color: rgba(255,255,255,.86);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.4);
  transition: border-color .4s var(--ease), color .4s var(--ease);
}
.link-arrow::after { content: "→"; font-family: var(--font-en); }
.link-arrow:hover { color: var(--white); border-color: var(--white); }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  background: var(--black);
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.site-header__inner {
  height: 100%; max-width: 1440px; margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex; align-items: center; gap: 40px;
}
.site-header__logo img {
  height: 20px; width: auto;
  /* 提供ロゴ（黒）を暗背景用に表示反転。形状は変更しない */
  filter: invert(1);
}
.site-nav { margin-left: auto; display: none; }
.site-nav ul { display: flex; gap: 36px; }
.site-nav a {
  font-family: var(--font-en); font-size: 14px; letter-spacing: 0.24em;
  color: rgba(255,255,255,.72); transition: color .3s;
}
.site-nav a:hover { color: var(--white); }
.site-header__actions { display: none; align-items: center; gap: 28px; }
.link-member {
  font-size: 12px; letter-spacing: 0.12em; color: rgba(255,255,255,.72);
  border-bottom: 1px solid rgba(255,255,255,.3); padding-bottom: 2px; transition: color .3s, border-color .3s;
}
.link-member:hover { color: var(--white); border-color: var(--white); }

@media (min-width: 1024px) {
  .site-nav, .site-header__actions { display: flex; }
}
@media (max-width: 1023px) {
  :root { --header-h: 60px; }
  .site-header__inner { justify-content: space-between; }
  .site-header__logo img { height: 17px; }
  /* SP/Tablet：ヘッダーは会員導線のみ（体験予約は下部固定CTA） */
  .site-header__actions { display: flex; }
  .site-header__actions .btn { display: none; }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  height: 100vh; height: 100svh;
  min-height: 560px; max-height: 1100px;
  color: var(--white);
  overflow: hidden;
  background: var(--black);
}
.hero__media { position: absolute; inset: 0; }
.hero__media img {
  width: 100%; height: 100%; object-fit: cover;
  object-position: 40% 55%;
  animation: heroIn 2.4s var(--ease) both;
}
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11,11,11,.55) 0%, rgba(11,11,11,.1) 30%, rgba(11,11,11,.15) 55%, rgba(11,11,11,.78) 100%);
}
.hero__content {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 0 var(--gutter) clamp(72px, 11vh, 120px);
  max-width: 1440px; margin: 0 auto;
  animation: fadeUp 1.6s .5s var(--ease) both;
}
.hero__eyebrow, .hero__sub {
  font-family: var(--font-en); font-weight: 400;
  font-size: 13px; letter-spacing: 0.36em; color: rgba(255,255,255,.8);
}
.hero__title {
  font-family: var(--font-serif); font-weight: 500;
  font-size: clamp(30px, 5vw, 60px);
  line-height: 1.6; letter-spacing: 0.12em;
  margin: 20px 0 16px;
  text-shadow: 0 2px 30px rgba(0,0,0,.25);
}
.hero__actions { margin-top: 44px; display: flex; flex-wrap: wrap; align-items: center; gap: 20px 40px; }
.hero__scroll {
  position: absolute; right: var(--gutter); bottom: 40px;
  width: 1px; height: 72px; background: rgba(255,255,255,.25); overflow: hidden;
}
.hero__scroll span { position: absolute; left: 0; top: 0; width: 1px; height: 24px; background: var(--white); animation: scrollLine 2.8s var(--ease) infinite; }

@media (max-width: 767px) {
  .hero__media img { object-position: 36% 50%; }
  .hero__actions .btn { width: 100%; }
  .hero__actions { gap: 18px; }
  .hero__scroll { display: none; }
}

/* ---------- about ---------- */
.about__grid { display: grid; gap: 56px; align-items: center; }
.about__closing {
  font-family: var(--font-serif); font-weight: 500; color: var(--ink);
  font-size: 17px; letter-spacing: 0.12em;
  padding-top: 1.2em; margin-top: 2em !important;
  border-top: 1px solid var(--line);
}
.about__media { overflow: hidden; }
.about__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 55% 50%; }
@media (min-width: 960px) {
  .about__grid { grid-template-columns: 5fr 6fr; gap: clamp(56px, 8vw, 120px); }
  .about__media { margin-right: calc(var(--gutter) * -1); }
  .about__media img { aspect-ratio: 5 / 4; }
}

/* ---------- distance ---------- */
.distance {
  position: relative; color: var(--white); background: var(--black);
  padding: var(--section-y) 0;
  overflow: hidden;
}
.distance__media { position: absolute; inset: 0; }
.distance__media img { width: 100%; height: 100%; object-fit: cover; object-position: 45% 50%; }
.distance__media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11,11,11,.9) 0%, rgba(11,11,11,.8) 50%, rgba(11,11,11,.66) 100%);
}
.distance__inner { position: relative; display: grid; gap: 72px; }
.distance__title {
  font-family: var(--font-serif); font-weight: 500;
  font-size: clamp(28px, 4.2vw, 50px); line-height: 1.6; letter-spacing: 0.1em;
}
.distance__sub {
  margin: 20px 0 44px;
  font-size: clamp(15px, 1.6vw, 18px); letter-spacing: 0.12em; color: var(--white);
}
.approach { display: grid; border-top: 1px solid var(--line-light); counter-reset: none; }
.approach__item {
  display: grid; grid-template-columns: 56px 1fr; column-gap: 20px; align-items: baseline;
  padding: 28px 0; border-bottom: 1px solid var(--line-light);
}
.approach__num { font-family: var(--font-en); font-size: 15px; letter-spacing: 0.2em; color: var(--stone); grid-row: span 2; }
.approach__ja { font-size: 16px; font-weight: 400; letter-spacing: 0.12em; line-height: 1.7; }
.approach__en { font-family: var(--font-en); font-size: 14px; letter-spacing: 0.28em; color: var(--stone); margin-top: 6px; }
@media (min-width: 960px) {
  .distance__inner { grid-template-columns: 1.1fr 1fr; align-items: end; gap: clamp(64px, 8vw, 120px); }
}

/* ---------- service ---------- */
.service { background: var(--white); }
.section-head { margin-bottom: clamp(48px, 7vw, 96px); }
.service-item { display: grid; gap: 40px; align-items: center; }
.service-item + .service-item { margin-top: clamp(96px, 12vw, 160px); }
.service-item__media { overflow: hidden; }
.service-item__media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.service-item__media--portrait img { aspect-ratio: 4 / 5; object-position: 50% 70%; }
.service-item__media--pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.service-item__media--pair img { aspect-ratio: 2 / 3; }
.service-item__media--pair figure:last-child { margin-top: 48px; }

.service-item__num { font-family: var(--font-en); font-size: 14px; letter-spacing: 0.24em; color: var(--concrete); }
.service-item__name {
  font-family: var(--font-en); font-weight: 400;
  font-size: clamp(30px, 3.6vw, 44px); letter-spacing: 0.14em; line-height: 1.2;
  margin: 8px 0 24px;
}
.service-item__copy {
  font-family: var(--font-serif); font-weight: 500;
  font-size: clamp(17px, 1.8vw, 21px); letter-spacing: 0.1em; line-height: 1.8;
  margin-bottom: 24px;
}
.service-item--feature .service-item__name { font-size: clamp(28px, 3.4vw, 42px); }

.spec { margin-top: 36px; border-top: 1px solid var(--line); }
.spec__row {
  display: grid; grid-template-columns: 88px 1fr; gap: 16px;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.spec dt { font-family: var(--font-en); font-size: 14px; letter-spacing: 0.2em; color: var(--concrete); line-height: 1.9; }
.spec dd { font-weight: 400; }
.spec dd span { display: block; font-weight: 300; font-size: 13px; color: var(--graphite); }
.spec--machine .spec__row { grid-template-columns: 1fr; gap: 2px; }
.spec--machine dt { font-family: var(--font-ja); font-size: 14px; letter-spacing: 0.08em; color: var(--ink); font-weight: 400; }
.spec--machine dd { font-weight: 300; font-size: 13px; color: var(--graphite); display: flex; gap: 12px; flex-wrap: wrap; }
.spec--machine dd span { display: inline; }
.spec--machine dd span::before { content: "→ "; color: var(--concrete); }

@media (min-width: 960px) {
  .service-item { grid-template-columns: 7fr 5fr; gap: clamp(56px, 7vw, 112px); }
  .service-item--reverse { grid-template-columns: 5fr 6fr; }
  .service-item--reverse .service-item__media { order: 2; }
  .service-item--stretch { grid-template-columns: 7fr 5fr; }
}

/* ---------- price ---------- */
.entry-fee {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 24px;
  padding: 24px 0; margin-bottom: 56px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.entry-fee__label { font-size: 14px; letter-spacing: 0.12em; }
.entry-fee__value { font-family: var(--font-en); font-size: 22px; letter-spacing: 0.08em; font-weight: 400; }
.entry-fee__note { font-size: 12px; color: var(--concrete); }

.tabs__list {
  display: flex; gap: 0; margin-bottom: 40px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto; scrollbar-width: none;
}
.tabs__list::-webkit-scrollbar { display: none; }
.tabs__tab {
  flex: 1 0 auto;
  padding: 14px 18px;
  font-family: var(--font-en); font-size: 14px; letter-spacing: 0.2em;
  color: var(--concrete);
  border-bottom: 1px solid transparent; margin-bottom: -1px;
  transition: color .3s, border-color .3s;
}
.tabs__tab[aria-selected="true"] { color: var(--ink); border-color: var(--ink); }
.tabs__tab:hover { color: var(--ink); }
.tabs__panel[hidden] { display: none; }
.tabs__panel { animation: fadeIn .6s var(--ease); }

.price-title {
  font-family: var(--font-en); font-weight: 400; font-size: 20px; letter-spacing: 0.16em; margin-bottom: 20px;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 20px;
}
.price-title span { font-family: var(--font-ja); font-size: 13px; letter-spacing: 0.08em; color: var(--graphite); font-weight: 300; }

.price-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.price-table th, .price-table td { padding: 18px 12px; border-bottom: 1px solid var(--line); text-align: left; font-weight: 300; }
.price-table thead th {
  font-family: var(--font-en); font-size: 13px; letter-spacing: 0.2em; color: var(--concrete);
  font-weight: 400; padding-top: 0; padding-bottom: 12px;
}
.price-table tbody th { font-family: var(--font-en); font-size: 16px; letter-spacing: 0.14em; font-weight: 400; }
.price-table td:nth-child(n+3), .price-table thead th:nth-child(n+3) { text-align: right; }
.price-table--3col td:nth-child(n+2), .price-table--3col thead th:nth-child(n+2) { text-align: right; }
.price-table td { font-size: 15px; }
.price-table tbody tr > :first-child { padding-left: 0; }
.price-table tbody tr > :last-child, .price-table thead tr > :last-child { padding-right: 0; }
.price-note { margin-top: 20px; font-size: 12px; color: var(--concrete); line-height: 1.8; }

@media (max-width: 767px) {
  /* SP：行をカード状に積む */
  .price-table thead { display: none; }
  .price-table, .price-table tbody, .price-table tr, .price-table th, .price-table td { display: block; }
  .price-table tr { padding: 18px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; }
  .price-table th, .price-table td { padding: 0 !important; border: 0; text-align: left !important; }
  .price-table tbody th { grid-column: 1 / -1; font-size: 16px; }
  .price-table td { display: contents; font-size: 14px; }
  .price-table td::before { content: attr(data-label); font-family: var(--font-en); font-size: 12px; letter-spacing: 0.18em; color: var(--concrete); align-self: center; }
  .price-table td[data-label="TIME"] { display: block; grid-column: 1 / -1; font-size: 13px; color: var(--graphite); margin-bottom: 6px; }
  .price-table td[data-label="TIME"]::before { content: none; }
  /* display:contents の td 内テキストを右寄せ */
  .price-table td:not([data-label="TIME"]) { text-align: right; }
}

/* ---------- how to use ---------- */
.howto { background: var(--mist); }
.howto__grid { display: grid; gap: 56px; }
.howto__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 45%; }
.steps { margin-bottom: 48px; border-top: 1px solid var(--line); }
.steps__item { padding: 28px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 96px 1fr; column-gap: 20px; }
.steps__num { font-family: var(--font-en); font-size: 14px; letter-spacing: 0.2em; color: var(--concrete); grid-row: span 2; line-height: 2; }
.steps__title { font-size: 16px; font-weight: 400; letter-spacing: 0.1em; }
.steps__item p { color: var(--graphite); font-size: 14px; }
@media (min-width: 960px) {
  .howto__grid { grid-template-columns: 5fr 6fr; gap: clamp(56px, 8vw, 120px); align-items: center; }
  .howto__media { margin-left: calc(var(--gutter) * -1); }
}

/* ---------- access ---------- */
.access { background: var(--white); }
.access__grid { display: grid; gap: 48px; }
.access__media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.access__name { font-family: var(--font-en); font-weight: 400; font-size: 32px; letter-spacing: 0.24em; line-height: 1.2; }
.access__tag { font-size: 13px; color: var(--graphite); margin: 8px 0 32px; }
.info { border-top: 1px solid var(--line); }
.info__row { display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.info dt { font-family: var(--font-en); font-size: 13px; letter-spacing: 0.2em; color: var(--concrete); line-height: 2.1; }
.info__sub { display: block; font-family: var(--font-en); font-size: 12px; letter-spacing: 0.16em; color: var(--concrete); line-height: 1.8; margin-top: 4px; }
.info__sub:first-child { margin-top: 0; }
.access__links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.access__links li { flex: 1 1 160px; }
.access__links .btn { width: 100%; }
@media (min-width: 960px) {
  .access__grid { grid-template-columns: 6fr 5fr; gap: clamp(56px, 7vw, 100px); align-items: start; }
}

/* ---------- footer ---------- */
.site-footer { background: var(--black); color: rgba(255,255,255,.6); padding: 96px 0 48px; }
.site-footer__inner { display: flex; flex-direction: column; align-items: center; gap: 40px; }
.site-footer__logo { width: 72px; height: auto; opacity: .9; }
.site-footer__copy { font-family: var(--font-en); letter-spacing: 0.24em; font-size: 12px; }
.site-footer__links { margin-bottom: -24px; }
.site-footer__links a { font-family: var(--font-en); font-size: 12px; letter-spacing: 0.2em; color: rgba(255,255,255,.6); border-bottom: 1px solid rgba(255,255,255,.25); padding-bottom: 2px; transition: color .3s, border-color .3s; }
.site-footer__links a:hover { color: var(--white); border-color: var(--white); }

/* ---------- SP fixed CTA ---------- */
.sp-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(11,11,11,.92);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border-top: 1px solid rgba(255,255,255,.08);
  transform: translateY(110%);
  transition: transform .5s var(--ease);
}
.sp-cta.is-visible { transform: none; }
.sp-cta__btn {
  display: flex; align-items: center; justify-content: center;
  height: 46px; background: var(--white); color: var(--black);
  font-size: 14px; font-weight: 400; letter-spacing: 0.16em;
}
@media (max-width: 1023px) {
  .site-footer { padding-bottom: calc(48px + 66px + env(safe-area-inset-bottom)); }
}
@media (min-width: 1024px) { .sp-cta { display: none; } }

/* ---------- motion（控えめなフェードのみ） ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 1.2s var(--ease), transform 1.2s var(--ease); }
.reveal.is-inview { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@keyframes heroIn { from { transform: scale(1.04); opacity: .6; } to { transform: scale(1); opacity: 1; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scrollLine { 0% { transform: translateY(-24px); } 100% { transform: translateY(72px); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- SP typography（日本語の改行位置を整える） ---------- */
.body-text, .distance__sub, .about__closing, .service-item__copy, .heading { word-break: auto-phrase; text-wrap: pretty; }
@media (max-width: 767px) {
  body { font-size: 14px; letter-spacing: 0.02em; }
  .distance__sub { font-size: 14px; letter-spacing: 0.04em; }
  .about__closing { font-size: 15px; letter-spacing: 0.04em; }
  .heading { font-size: 21px; letter-spacing: 0.06em; }
  .service-item__copy { font-size: 16px; letter-spacing: 0.06em; }
}
@media (max-width: 767px) {
  .tabs__list { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 0; gap: 0; }
  .tabs__tab { padding: 14px 8px; border: 1px solid var(--line); margin: 0 -1px -1px 0; font-size: 13px; letter-spacing: 0.16em; }
  .tabs__tab[aria-selected="true"] { background: var(--ink); color: var(--white); border-color: var(--ink); }
  .price-table tr { padding: 16px 0; }
}
@media (max-width: 767px) {
  .info__row, .steps__item { grid-template-columns: 76px 1fr; column-gap: 12px; }
}

/* ---------- price foot（税込表記・新規会員登録） ---------- */
.price-foot { margin-top: 48px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; }
.price-foot__tax { font-size: 12px; color: var(--concrete); }
.link-register {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 13px; letter-spacing: 0.12em; color: var(--ink);
  padding: 6px 0; border-bottom: 1px solid var(--ink);
  transition: opacity .3s;
}
.link-register::after { content: "→"; font-family: var(--font-en); }
.link-register:hover { opacity: .6; }