@charset "UTF-8";

/* =========================================================
   PULSE ATHLETIC — Dynamic × Modern
   1. Design Tokens
   2. Reset / Base
   3. Layout & Utility
   4. Components (button / section head / placeholder)
   5. Header & Nav
   6. Hero
   7. Sections (About / Service / Flow / Trainer / Voice / Price / Contact)
   8. Footer
   9. Animation
   ========================================================= */

/* =========================================================
   1. Design Tokens
   ========================================================= */
:root {
  /* color */
  --c-bg:        #0a0a0c;
  --c-bg-2:      #101015;
  --c-surface:   #16161d;
  --c-line:      rgba(255, 255, 255, .12);
  --c-text:      #f2f2f4;
  --c-text-mute: #9a9aa5;
  --c-accent:    #d7ff3e;   /* electric lime */
  --c-accent-2:  #ff4b1f;   /* blaze orange  */
  --grad-accent: linear-gradient(100deg, var(--c-accent) 0%, #7bff8a 45%, var(--c-accent-2) 100%);
  --grad-dark:   linear-gradient(180deg, #0a0a0c 0%, #131319 100%);

  /* type */
  --f-en: "Anton", "Arial Black", sans-serif;
  --f-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  /* layout */
  --container: 1160px;
  --gutter: 20px;
  --radius: 14px;
  --header-h: 64px;

  /* motion */
  --ease: cubic-bezier(.16, 1, .3, 1);
}

/* =========================================================
   2. Reset / 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;
  font-family: var(--f-ja);
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .3s var(--ease), opacity .3s var(--ease); }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::selection { background: var(--c-accent); color: #000; }

/* キーボード操作時のフォーカス表示 */
:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

body.is-locked { overflow: hidden; }

/* =========================================================
   3. Layout & Utility
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: 80px;
}

.sp-only { display: inline; }
.pc-only { display: none; }

/* =========================================================
   4. Components
   ========================================================= */

/* ---- Button ---- */
.btn {
  --btn-pad: 16px 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
  padding: var(--btn-pad);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .04em;
  line-height: 1;
  text-align: center;
  border-radius: 999px;
  position: relative;
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), color .3s var(--ease), background-color .3s var(--ease);
}
.btn::after {
  content: "→";
  font-size: 1.1em;
  transition: transform .35s var(--ease);
}
.btn:hover { transform: translateY(-3px); }
.btn:hover::after { transform: translateX(4px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  color: #0a0a0c;
  background-image: var(--grad-accent);
  background-size: 180% 100%;
  background-position: 0% 50%;
  box-shadow: 0 10px 30px -12px rgba(215, 255, 62, .7);
  transition: background-position .6s var(--ease), transform .35s var(--ease), box-shadow .35s var(--ease);
}
.btn--primary:hover {
  background-position: 100% 50%;
  box-shadow: 0 16px 40px -12px rgba(255, 75, 31, .6);
}

.btn--ghost {
  color: var(--c-text);
  border: 1px solid var(--c-line);
  background: rgba(255, 255, 255, .03);
}
.btn--ghost:hover {
  color: var(--c-accent);
  border-color: var(--c-accent);
}

.btn--sm { --btn-pad: 12px 22px; font-size: .8rem; }
.btn--full { display: flex; width: 100%; }

/* ---- Section head ---- */
.sec-head { margin-bottom: 44px; }
.sec-head--center { text-align: center; }

.sec-head__en {
  font-family: var(--f-en);
  font-size: clamp(3.2rem, 16vw, 8rem);
  line-height: .9;
  letter-spacing: .02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, .22);
  margin-bottom: 8px;
}
.sec-head--center .sec-head__en { margin-inline: auto; }

.sec-head__ja {
  font-size: clamp(1.4rem, 5.4vw, 2.4rem);
  font-weight: 900;
  line-height: 1.5;
  letter-spacing: .01em;
  position: relative;
  padding-left: 18px;
}
.sec-head__ja::before {
  content: "";
  position: absolute;
  left: 0; top: .35em; bottom: .35em;
  width: 4px;
  border-radius: 4px;
  background-image: var(--grad-accent);
}
.sec-head--center .sec-head__ja { padding-left: 0; }
.sec-head--center .sec-head__ja::before { display: none; }

.sec-head__note {
  margin-top: 14px;
  font-size: .82rem;
  color: var(--c-text-mute);
}

/* ---- Image frame（写真の枠。読み込み前はグラデーションが見える） ---- */
.ph {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #1c1c24 0%, #26262f 100%);
  isolation: isolate;
}
.ph::before {
  content: "";
  position: absolute;
  inset: -30%;
  background: conic-gradient(from 200deg, rgba(215,255,62,.22), transparent 35%, rgba(255,75,31,.22) 65%, transparent 90%);
  z-index: -1;
}

/* 写真本体：枠いっぱいにトリミング表示 */
.ph img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(.85) contrast(1.06);
  transition: transform .8s var(--ease), filter .5s var(--ease);
}

/* サイト全体のトーンに合わせる色被せ */
.ph::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(170deg, rgba(215, 255, 62, .10) 0%, transparent 45%, rgba(255, 75, 31, .14) 100%),
    linear-gradient(180deg, transparent 40%, rgba(10, 10, 12, .55) 100%);
  pointer-events: none;
}

/* 画像がない場合のラベル（差し替え前の名残） */
.ph span {
  font-family: var(--f-en);
  font-size: .95rem;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .35);
  border: 1px solid rgba(255, 255, 255, .18);
  padding: 8px 16px;
  border-radius: 999px;
}

/* =========================================================
   5. Header & Nav
   ========================================================= */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 12, .55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background-color .4s var(--ease), border-color .4s var(--ease);
}
.header.is-scrolled {
  background: rgba(10, 10, 12, .9);
  border-bottom-color: var(--c-line);
}

.header__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ---- Logo ---- */
.logo { display: flex; align-items: center; gap: 10px; }
.logo__mark {
  width: 26px; height: 26px;
  background-image: var(--grad-accent);
  clip-path: polygon(50% 0%, 100% 38%, 78% 100%, 22% 100%, 0% 38%);
  flex: none;
}
.logo__text {
  font-family: var(--f-en);
  font-size: 1.15rem;
  letter-spacing: .06em;
  line-height: 1;
}
.logo__text span {
  display: block;
  font-family: var(--f-ja);
  font-size: .52rem;
  font-weight: 500;
  letter-spacing: .34em;
  color: var(--c-text-mute);
  margin-top: 3px;
}

/* ---- Hamburger ---- */
.hamburger {
  width: 44px; height: 44px;
  position: relative;
  z-index: 110;
  display: grid;
  place-content: center;
  gap: 6px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform .4s var(--ease), opacity .25s var(--ease), background-color .3s;
}
.hamburger.is-active span:nth-child(1) { transform: translateY(8px) rotate(45deg); background: var(--c-accent); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); background: var(--c-accent); }

/* ---- Nav (mobile: full screen drawer) ---- */
.nav {
  position: fixed;
  inset: 0;
  z-index: 105;
  background: var(--grad-dark);
  display: grid;
  place-content: center;
  clip-path: circle(0 at calc(100% - 42px) 32px);
  transition: clip-path .7s var(--ease);
  pointer-events: none;
}
.nav.is-open {
  clip-path: circle(150% at calc(100% - 42px) 32px);
  pointer-events: auto;
}

.nav__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: center;
  padding: 0 24px;
}
.nav__link {
  display: block;
  font-family: var(--f-en);
  font-size: 2rem;
  letter-spacing: .06em;
  padding: 10px 0;
  opacity: 0;
  transform: translateY(20px);
}
.nav.is-open .nav__link {
  animation: navIn .6s var(--ease) forwards;
}
.nav.is-open li:nth-child(1) .nav__link { animation-delay: .12s; }
.nav.is-open li:nth-child(2) .nav__link { animation-delay: .18s; }
.nav.is-open li:nth-child(3) .nav__link { animation-delay: .24s; }
.nav.is-open li:nth-child(4) .nav__link { animation-delay: .30s; }
.nav.is-open li:nth-child(5) .nav__link { animation-delay: .36s; }

.nav__link em {
  display: block;
  font-family: var(--f-ja);
  font-style: normal;
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--c-accent);
  margin-bottom: 2px;
}
.nav__link:hover { color: var(--c-accent); }

.nav__cta { margin-top: 22px; }
.nav__cta .btn { width: 100%; }

@keyframes navIn {
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   6. Hero
   ========================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 90px;
  overflow: hidden;
}

.hero__bg { position: absolute; inset: 0; z-index: 0; }

/* 背景写真＋文字を読ませるための暗幕 */
.hero__photo {
  position: absolute;
  inset: 0;
  background: url("../img/hero.jpg") center 35% / cover no-repeat;
  filter: saturate(.7) contrast(1.05);
}
.hero__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 12, .82) 0%, rgba(10, 10, 12, .62) 40%, rgba(10, 10, 12, .95) 100%);
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .38;
  animation: float 14s ease-in-out infinite;
}
.hero__glow--a {
  width: 60vw; height: 60vw;
  max-width: 620px; max-height: 620px;
  top: -12%; right: -18%;
  background: radial-gradient(circle, rgba(215,255,62,.55), transparent 70%);
}
.hero__glow--b {
  width: 66vw; height: 66vw;
  max-width: 680px; max-height: 680px;
  bottom: -20%; left: -22%;
  background: radial-gradient(circle, rgba(255,75,31,.5), transparent 70%);
  animation-delay: -7s;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 45%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 45%, #000 20%, transparent 78%);
}

.hero__inner { position: relative; z-index: 1; }

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .28em;
  color: var(--c-accent);
  margin-bottom: 20px;
}
.hero__label span {
  width: 28px; height: 2px;
  background-image: var(--grad-accent);
}

.hero__title {
  font-family: var(--f-en);
  font-weight: 400;
  font-size: clamp(3.2rem, 17vw, 9rem);
  line-height: .96;
  letter-spacing: .01em;
  margin-bottom: 26px;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title em {
  font-style: normal;
  background-image: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  font-size: clamp(.9rem, 3.6vw, 1.05rem);
  color: var(--c-text-mute);
  line-height: 2.1;
  margin-bottom: 34px;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 52px;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  padding-top: 26px;
  border-top: 1px solid var(--c-line);
}
.hero__stats strong {
  display: block;
  font-family: var(--f-en);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: .02em;
}
.hero__stats strong span {
  font-family: var(--f-ja);
  font-size: .85rem;
  font-weight: 700;
  color: var(--c-accent);
  margin-left: 2px;
}
.hero__stats small {
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--c-text-mute);
}

/* ---- Marquee ---- */
.hero__marquee {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 1;
  padding: 12px 0;
  background-image: var(--grad-accent);
  transform: rotate(-2.5deg) scale(1.08);
  overflow: hidden;
}
.marquee__track {
  display: flex;
  gap: 26px;
  width: max-content;
  animation: marquee 22s linear infinite;
}
.marquee__track span {
  font-family: var(--f-en);
  font-size: 1rem;
  letter-spacing: .12em;
  color: #0a0a0c;
  white-space: nowrap;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(4%, 6%) scale(1.08); }
}

/* =========================================================
   7-1. About
   ========================================================= */
.about { background: var(--c-bg); }

.about__body { display: grid; gap: 40px; }

.about__visual { position: relative; }
.ph--about { aspect-ratio: 4 / 3; }
/* 明るめの写真なので暗幕を強めに掛けてトーンを揃える */
.ph--about::after {
  background:
    linear-gradient(170deg, rgba(215, 255, 62, .12) 0%, transparent 50%, rgba(255, 75, 31, .16) 100%),
    linear-gradient(180deg, rgba(10, 10, 12, .3) 0%, rgba(10, 10, 12, .68) 100%);
}
.ph--about img { filter: saturate(.7) contrast(1.1) brightness(.92); }

.about__badge {
  position: absolute;
  right: 12px;
  bottom: -18px;
  padding: 14px 18px;
  border-radius: 12px;
  background: var(--c-bg-2);
  border: 1px solid var(--c-line);
  box-shadow: 0 20px 40px -20px #000;
  text-align: center;
}
.about__badge strong {
  display: block;
  font-family: var(--f-en);
  font-size: 1.1rem;
  letter-spacing: .1em;
  background-image: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.about__badge small { font-size: .66rem; color: var(--c-text-mute); letter-spacing: .08em; }

.about__text .lead {
  font-size: 1rem;
  line-height: 2.1;
  color: #d5d5dc;
  margin-bottom: 34px;
}

.about__points { display: grid; gap: 22px; }
.about__points li {
  position: relative;
  padding: 22px 20px 22px 22px;
  border-radius: var(--radius);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  overflow: hidden;
}
.about__points li::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background-image: var(--grad-accent);
}
.about__points .num {
  font-family: var(--f-en);
  font-size: .9rem;
  letter-spacing: .12em;
  color: var(--c-accent);
}
.about__points h3 {
  font-size: 1.05rem;
  font-weight: 900;
  margin: 4px 0 8px;
}
.about__points p { font-size: .88rem; color: var(--c-text-mute); line-height: 1.9; }

/* =========================================================
   7-2. Service
   ========================================================= */
.service {
  background: var(--c-bg-2);
  clip-path: polygon(0 0, 100% 3vw, 100% 100%, 0 calc(100% - 3vw));
  padding-block: calc(80px + 4vw);
}

.cards { display: grid; gap: 24px; }

.card {
  position: relative;
  border-radius: var(--radius);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  overflow: hidden;
  transition: transform .5s var(--ease), border-color .4s var(--ease), box-shadow .5s var(--ease);
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background-image: var(--grad-accent);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .4s var(--ease);
  pointer-events: none;
}
.card:hover { transform: translateY(-8px); box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .9); }
.card:hover::after { opacity: 1; }

.card__media { aspect-ratio: 16 / 10; border-radius: 0; }
.ph--01::before { transform: rotate(0deg); }
.ph--02::before { transform: rotate(120deg); }
.ph--03::before { transform: rotate(240deg); }

/* 縦位置の見せ場に合わせてトリミング位置を調整 */
.ph--02 img { object-position: center 38%; }
.ph--03 img { object-position: center 45%; }

/* ホバーで写真をゆっくり寄せる */
.card:hover .card__media img {
  transform: scale(1.07);
  filter: saturate(1) contrast(1.08);
}

.card__body { padding: 26px 22px 30px; }
.card__en {
  font-family: var(--f-en);
  font-size: .8rem;
  letter-spacing: .22em;
  color: var(--c-accent);
  margin-bottom: 8px;
}
.card__title {
  font-size: 1.25rem;
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 12px;
}
.card__text { font-size: .88rem; color: var(--c-text-mute); line-height: 2; }

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.card__tags li {
  font-size: .7rem;
  letter-spacing: .08em;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--c-line);
  color: #c9c9d2;
}

.card--featured { border-color: rgba(215, 255, 62, .35); }

/* =========================================================
   7-3. Flow
   ========================================================= */
.flow { background: var(--c-bg); }

.flow__list {
  display: grid;
  gap: 16px;
  counter-reset: flow;
}
.flow__list li {
  position: relative;
  padding: 24px 20px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 1px solid var(--c-line);
}
.flow__num {
  display: inline-block;
  font-family: var(--f-en);
  font-size: .75rem;
  letter-spacing: .18em;
  color: #0a0a0c;
  background-image: var(--grad-accent);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.flow__list h3 { font-size: 1.05rem; font-weight: 900; margin-bottom: 6px; }
.flow__list p { font-size: .85rem; color: var(--c-text-mute); }

/* =========================================================
   7-4. Trainer
   ========================================================= */
.trainer {
  background:
    radial-gradient(1000px 600px at 90% 0%, rgba(255, 75, 31, .12), transparent 60%),
    var(--c-bg-2);
}
.trainer__inner { display: grid; gap: 36px; }

.trainer__visual { position: relative; }
.ph--trainer {
  aspect-ratio: 3 / 4;
  border-radius: 200px 200px var(--radius) var(--radius);
}
.ph--trainer img { object-position: center 22%; }
.trainer__visual::before {
  content: "TRAINER";
  position: absolute;
  left: -6px; bottom: 18px;
  writing-mode: vertical-rl;
  font-family: var(--f-en);
  font-size: 1rem;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .3);
}

.trainer__name {
  font-size: clamp(1.9rem, 8vw, 2.8rem);
  font-weight: 900;
  line-height: 1.2;
  margin: 6px 0 4px;
}
.trainer__name small {
  display: block;
  font-family: var(--f-en);
  font-size: .85rem;
  font-weight: 400;
  letter-spacing: .3em;
  color: var(--c-accent);
  margin-top: 8px;
}
.trainer__role {
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--c-text-mute);
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--c-line);
}
.trainer__text p { font-size: .9rem; color: #cdcdd6; line-height: 2.1; }
.trainer__text p + p { margin-top: 16px; }

.trainer__career {
  margin-top: 28px;
  display: grid;
  gap: 10px;
}
.trainer__career li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  font-size: .85rem;
  color: #cdcdd6;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(255, 255, 255, .1);
}
.trainer__career span {
  font-family: var(--f-en);
  font-size: .95rem;
  color: var(--c-accent);
  flex: none;
}

/* =========================================================
   7-5. Voice
   ========================================================= */
.voice { background: var(--c-bg); }

.voice__list { display: grid; gap: 20px; }

.voice__item {
  position: relative;
  padding: 44px 22px 24px;
  border-radius: var(--radius);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
}
.voice__item::before {
  content: "“";
  position: absolute;
  top: 6px; left: 18px;
  font-family: var(--f-en);
  font-size: 4rem;
  line-height: 1;
  background-image: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.voice__item blockquote {
  font-size: .9rem;
  line-height: 2;
  color: #d8d8e0;
}
.voice__item figcaption {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
  font-size: .8rem;
}
.voice__item .avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background-image: var(--grad-accent);
  opacity: .85;
  flex: none;
}
.voice__item strong { font-weight: 700; }
.voice__item small { color: var(--c-text-mute); font-size: .72rem; }

/* =========================================================
   7-6. Price
   ========================================================= */
.price {
  background: var(--c-bg-2);
  clip-path: polygon(0 3vw, 100% 0, 100% calc(100% - 3vw), 0 100%);
  padding-block: calc(80px + 4vw);
}

.plans { display: grid; gap: 22px; }

.plan {
  position: relative;
  padding: 32px 24px;
  border-radius: var(--radius);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  display: flex;
  flex-direction: column;
  transition: transform .45s var(--ease);
}
.plan:hover { transform: translateY(-6px); }

.plan__name {
  font-family: var(--f-en);
  font-size: 1.1rem;
  letter-spacing: .18em;
  color: var(--c-text-mute);
}
.plan__price {
  font-family: var(--f-en);
  font-size: 2.6rem;
  line-height: 1.2;
  letter-spacing: .01em;
  margin: 6px 0 10px;
}
.plan__price span { font-size: 1.3rem; margin-right: 2px; }
.plan__price small {
  font-family: var(--f-ja);
  font-size: .78rem;
  font-weight: 500;
  color: var(--c-text-mute);
  margin-left: 4px;
}
.plan__desc {
  font-size: .82rem;
  color: var(--c-text-mute);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-line);
}
.plan__list {
  display: grid;
  gap: 10px;
  padding: 20px 0 26px;
  font-size: .86rem;
  flex: 1;
}
.plan__list li {
  position: relative;
  padding-left: 22px;
  color: #d3d3db;
}
.plan__list li::before {
  content: "";
  position: absolute;
  left: 2px; top: .62em;
  width: 9px; height: 5px;
  border-left: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  transform: rotate(-45deg);
}

.plan--recommend {
  background: linear-gradient(180deg, rgba(215,255,62,.09), rgba(255,75,31,.05)), var(--c-surface);
  border-color: rgba(215, 255, 62, .45);
  box-shadow: 0 30px 60px -34px rgba(215, 255, 62, .5);
}
.plan__ribbon {
  position: absolute;
  top: -13px; left: 24px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: #0a0a0c;
  background-image: var(--grad-accent);
  padding: 5px 14px;
  border-radius: 999px;
}

/* =========================================================
   7-7. Contact
   ========================================================= */
.contact {
  background:
    radial-gradient(800px 500px at 10% 0%, rgba(215, 255, 62, .1), transparent 60%),
    var(--c-bg);
}
.contact__inner { display: grid; gap: 40px; }

.contact__note {
  font-size: .88rem;
  color: var(--c-text-mute);
  line-height: 2;
  margin-top: 18px;
}

.contact__info {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}
.contact__info > div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 10px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
}
.contact__info dt {
  font-family: var(--f-en);
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--c-accent);
}
.contact__info dd { font-size: .86rem; color: #d3d3db; }

/* ---- Form ---- */
.form {
  padding: 28px 22px 32px;
  border-radius: var(--radius);
  background: var(--c-surface);
  border: 1px solid var(--c-line);
}
.form__row { margin-bottom: 20px; }
.form__row label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.form__row label span {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: #0a0a0c;
  background: var(--c-accent-2);
  padding: 2px 7px;
  border-radius: 4px;
}

.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 13px 14px;
  font-family: inherit;
  font-size: .9rem;
  color: var(--c-text);
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--c-line);
  border-radius: 10px;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background-color .3s;
}
.form textarea { resize: vertical; line-height: 1.8; }
.form input::placeholder,
.form textarea::placeholder { color: #6c6c78; }
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  background: rgba(255, 255, 255, .07);
  box-shadow: 0 0 0 3px rgba(215, 255, 62, .18);
}
.form select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--c-accent) 50%), linear-gradient(135deg, var(--c-accent) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.form__privacy {
  margin-top: 14px;
  font-size: .72rem;
  color: var(--c-text-mute);
  text-align: center;
}

/* =========================================================
   8. Footer
   ========================================================= */
.footer {
  padding: 56px 0 28px;
  background: #060608;
  border-top: 1px solid var(--c-line);
}
.footer__inner {
  display: grid;
  gap: 28px;
}
.footer__brand p {
  margin-top: 14px;
  font-size: .76rem;
  color: var(--c-text-mute);
}
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  font-family: var(--f-en);
  font-size: .82rem;
  letter-spacing: .12em;
}
.footer__nav a:hover { color: var(--c-accent); }

.copyright {
  margin-top: 36px;
  text-align: center;
  font-size: .68rem;
  letter-spacing: .08em;
  color: #55555f;
}

/* =========================================================
   9. Scroll Animation
   ========================================================= */
/* 表示前のみ transform を当てる。表示後は各要素本来の transform
   （.card--featured の translateY や :hover の動き）を邪魔しない */
.reveal {
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  will-change: opacity, transform;
}
.reveal:not(.is-visible) {
  opacity: 0;
  transform: translateY(36px);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal:not(.is-visible) { opacity: 1; transform: none; }
  .hero__glow, .marquee__track { animation: none !important; }
}

/* =========================================================
   Breakpoints
   ========================================================= */

/* ---- 600px〜（大きめスマホ / 小型タブレット） ---- */
@media (min-width: 600px) {
  .hero__actions { flex-direction: row; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .flow__list { grid-template-columns: repeat(2, 1fr); }
  .voice__list { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr auto; align-items: center; }
}

/* ---- 768px〜（タブレット） ---- */
@media (min-width: 768px) {
  :root { --gutter: 32px; --header-h: 76px; }
  body { font-size: 17px; }
  .section { padding-block: 110px; }
  .form { padding: 36px 32px 40px; }
  .about__points { grid-template-columns: repeat(3, 1fr); }
  .about__points li { padding: 26px 22px; }
  .plans { grid-template-columns: repeat(3, 1fr); }
  .plan--recommend { transform: scale(1.04); }
  .plan--recommend:hover { transform: scale(1.04) translateY(-6px); }
  .marquee__track span { font-size: 1.4rem; }
}

/* ---- 960px〜（PC） ---- */
@media (min-width: 960px) {
  .sp-only { display: none; }
  .pc-only { display: inline; }

  .hamburger { display: none; }

  /* nav をヘッダー内に横並び表示 */
  .nav {
    position: static;
    inset: auto;
    background: none;
    display: block;
    clip-path: none;
    pointer-events: auto;
  }
  .nav__list {
    flex-direction: row;
    align-items: center;
    gap: 30px;
    padding: 0;
  }
  .nav__link {
    font-family: var(--f-ja);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
    padding: 0;
    opacity: 1;
    transform: none;
    position: relative;
    animation: none !important;
  }
  .nav__link::after {
    content: "";
    position: absolute;
    left: 0; bottom: -6px;
    width: 100%; height: 2px;
    background-image: var(--grad-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .45s var(--ease);
  }
  .nav__link:hover::after { transform: scaleX(1); transform-origin: left; }
  .nav__link em { font-size: .55rem; letter-spacing: .2em; }
  .nav__cta { margin-top: 0; }

  .section { padding-block: 140px; }
  .sec-head { margin-bottom: 60px; }
  .sec-head__en { -webkit-text-stroke-width: 1.5px; }

  .about__body { grid-template-columns: 5fr 6fr; gap: 60px; align-items: start; }
  .about__points { grid-template-columns: 1fr; }
  .about__visual { position: sticky; top: calc(var(--header-h) + 40px); }
  .ph--about { aspect-ratio: 5 / 4; }

  .cards { grid-template-columns: repeat(3, 1fr); gap: 28px; }
  .card--featured { transform: translateY(-18px); }
  .card--featured:hover { transform: translateY(-26px); }

  .flow__list { grid-template-columns: repeat(4, 1fr); gap: 20px; }

  .trainer__inner { grid-template-columns: 5fr 7fr; gap: 70px; align-items: center; }

  .voice__list { grid-template-columns: repeat(3, 1fr); }

  .contact__inner { grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }

  .hero { padding-bottom: 120px; }
  .hero__lead { max-width: 46ch; }
  .hero__stats { gap: 10px 60px; }
  .hero__stats strong { font-size: 2.8rem; }
}

/* ---- 1280px〜（大型ディスプレイ） ---- */
@media (min-width: 1280px) {
  .hero__title { font-size: 9.5rem; }
  .marquee__track span { font-size: 1.7rem; }
}