/* =========================================================
   ESTRS Corporate Site — Design System & Base Styles
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* Color: Navy / Blue scale */
  --c-navy-900: #061433;
  --c-navy-800: #0B1E4A;
  --c-blue-600: #1446C8;
  --c-blue-550: #2457D6;
  --c-blue-500: #4F7FE6;
  --c-blue-450: #3FA9FF;
  --c-blue-400: #7CC0F2;
  --c-blue-350: #8BBBEA;
  --c-blue-300: #9CC6EE;
  --c-blue-200: #C9D8FF;
  --c-blue-100: #D9E4FF;
  --c-blue-50:  #E4ECFF;
  --c-ice-50:   #F2F6FF;
  --c-grid-line:#DDE5F7;
  --c-border:   #DDE5F7;

  /* Text */
  --c-text:        #2A3440;
  --c-text-sub:     #3B4756;
  --c-text-mute:    #5A6675;
  --c-text-on-navy-strong: #FFFFFF;
  --c-text-on-navy-mute:   #A9C3DC;
  --c-text-on-navy-sub:    #D3E1EE;
  --c-footer-text:  #B9CBDD;
  --c-footer-border:#1B2E66;
  --c-white: #FFFFFF;
  /* Accent: the star in the logo */
  --c-gold: #FFC94A;
  --c-gold-soft: #FFE08A;
  --star: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-16 -16 32 32'%3E%3Cpath d='M0 -16 C2 -4 4 -2 16 0 C4 2 2 4 0 16 C-2 4 -4 2 -16 0 C-4 -2 -2 -4 0 -16Z'/%3E%3C/svg%3E");

  /* Typography */
  --font-jp: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', system-ui, sans-serif;
  --font-en: 'Michroma', var(--font-jp);
  --font-display: 'Zen Maru Gothic', var(--font-jp);

  --fs-body: 16px;
  --lh-body: 1.7;

  /* Spacing (8px-based scale) */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-7: 28px;
  --sp-8: 32px;
  --sp-9: 36px;
  --sp-10: 40px;
  --sp-11: 44px;
  --sp-12: 48px;
  --sp-14: 56px;
  --sp-16: 64px;
  --sp-18: 72px;
  --sp-section: 80px;
  --sp-20: 88px;
  --sp-22: 96px;

  /* Layout */
  --radius: 14px;
  --radius-lg: 28px;
  --shadow-pop: 0 4px 0 var(--c-navy-800);
  --container-wide: 1180px;
  --container-mid: 1100px;
  --container-narrow: 860px;
  --header-h: 72px;

  /* Motion */
  --ease-standard: cubic-bezier(.22,.61,.36,1);
  --dur-fast: .2s;
  --dur-base: .4s;
  --dur-slow: .7s;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--c-white);
  color: var(--c-text);
  font-family: var(--font-jp);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  font-synthesis: none;
  overflow-x: hidden;
}
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: var(--c-blue-600); text-decoration: none; }
a:hover { color: var(--c-navy-800); }
button { font: inherit; }
summary::-webkit-details-marker { display: none; }
:focus-visible { outline: 2px solid var(--c-blue-600); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

/* ---------- Layout utilities ---------- */
.container {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding-left: var(--sp-7);
  padding-right: var(--sp-7);
}
.container--mid   { max-width: var(--container-mid); }
.container--narrow{ max-width: var(--container-narrow); }

.section { --bg: var(--c-white); padding: var(--sp-section) var(--sp-7); }
.section--ice  { --bg: var(--c-ice-50); background: var(--c-ice-50); }
.section--navy { background: var(--c-navy-800); color: var(--c-white); }
.section--blue { background: var(--c-blue-600); color: var(--c-white); }

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  align-items: center;
  text-align: center;
  margin-bottom: var(--sp-11);
}
.section-head--left { align-items: flex-start; text-align: left; }
.section-head--split {
  align-items: flex-end;
  text-align: left;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--sp-3) var(--sp-10);
}
.section-head--split .section-head__text { display: flex; flex-direction: column; gap: var(--sp-2); }

.eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--c-blue-600);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: ""; width: 14px; height: 14px; flex-shrink: 0;
  background: var(--c-gold);
  -webkit-mask: var(--star) center / contain no-repeat; mask: var(--star) center / contain no-repeat;
}
.eyebrow--on-navy, .eyebrow--on-blue { color: var(--c-blue-450); }
.eyebrow__bar { width: 28px; height: 2px; background: var(--c-blue-600); display: inline-block; }

h2.section-title, .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-navy-800);
  letter-spacing: .02em;
}
.section--navy .section-title,
.section--blue .section-title { color: var(--c-white); }
.section-lead { margin: 0; color: var(--c-text-sub); max-width: 34em; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  min-height: 54px;
  padding: 0 var(--sp-8);
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  border: 1.5px solid var(--c-navy-800);
  cursor: pointer;
  box-shadow: var(--shadow-pop);
  transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
.btn > span[aria-hidden] { display: inline-block; transition: transform var(--dur-fast) var(--ease-standard); }
.btn:hover { transform: translateY(2px); box-shadow: 0 2px 0 var(--c-navy-800); }
.btn:hover > span[aria-hidden] { transform: translateX(4px); }
.btn:active { transform: translateY(4px); box-shadow: 0 0 0 var(--c-navy-800); }
.btn--primary { background: var(--c-blue-600); color: var(--c-white); }
.btn--primary:hover { background: var(--c-blue-550); color: var(--c-white); }
.btn--outline { background: var(--c-white); color: var(--c-navy-800); }
.btn--outline:hover { background: var(--c-ice-50); color: var(--c-navy-800); }
.btn--ghost-on-navy { background: transparent; border-color: var(--c-white); color: var(--c-white); box-shadow: none; }
.btn--ghost-on-navy:hover { background: var(--c-white); color: var(--c-navy-800); box-shadow: none; }
.btn--ghost-on-blue { background: var(--c-white); color: var(--c-navy-800); border-color: var(--c-white); box-shadow: 0 4px 0 var(--c-gold); }
.btn--ghost-on-blue:hover { background: var(--c-white); color: var(--c-navy-800); box-shadow: 0 2px 0 var(--c-gold); }
.btn--outline-on-blue { background: transparent; border-color: rgba(255,255,255,.6); color: var(--c-white); box-shadow: none; }
.btn--outline-on-blue:hover { background: rgba(255,255,255,.1); border-color: var(--c-white); color: var(--c-white); box-shadow: none; }
.btn--sm { min-height: 48px; padding: 0 var(--sp-6); font-size: 14px; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  background: rgba(255,255,255,.86);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header__inner {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 14px var(--sp-7);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px var(--sp-9);
  min-height: var(--header-h);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  color: var(--c-navy-800);
  flex-shrink: 0;
}
.brand__logo { display: block; width: auto; height: 44px; }
.site-footer__brand .brand__logo {
  height: 56px;
  padding: 6px 12px;
  background: var(--c-white);
  border-radius: 8px;
}

.gnav { display: flex; flex-wrap: wrap; gap: 6px var(--sp-8); font-size: 14px; font-weight: 500; }
.gnav a { color: var(--c-text); }
.gnav a:hover { color: var(--c-blue-600); }

.header-cta { flex-shrink: 0; }

/* Hamburger */
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  border-radius: var(--radius);
}
.hamburger:hover { background: var(--c-ice-50); }
.hamburger__box { display: block; position: relative; width: 22px; height: 16px; margin: 0 auto; }
.hamburger__line {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--c-navy-800);
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease-standard), opacity var(--dur-base) var(--ease-standard), top var(--dur-base) var(--ease-standard);
}
.hamburger__line:nth-child(1) { top: 0; }
.hamburger__line:nth-child(2) { top: 7px; }
.hamburger__line:nth-child(3) { top: 14px; }
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) { top: 7px; transform: rotate(45deg); }
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) { top: 7px; transform: rotate(-45deg); }

/* ---------- Hero / First view ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(55% 75% at 82% 40%, var(--c-blue-50) 0%, rgba(228,236,255,0) 70%),
    var(--c-white);
  overflow: hidden;
}
.hero__grid-bg { display: none; }

/* Twinkling sparkles (shared by hero / page header) */
.sky { position: absolute; inset: 0; pointer-events: none; }
.spark {
  position: absolute; left: var(--x); top: var(--y);
  width: var(--s); height: var(--s);
  background: var(--c-blue-450);
  -webkit-mask: var(--star) center / contain no-repeat; mask: var(--star) center / contain no-repeat;
  animation: twinkle 3.6s ease-in-out var(--d) infinite;
}
.spark:nth-child(3n) { background: var(--c-gold); }
@keyframes twinkle {
  0%, 100% { opacity: .2; transform: scale(.55) rotate(0deg); }
  50%      { opacity: 1;  transform: scale(1) rotate(45deg); }
}

.hero__inner {
  position: relative;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: var(--sp-18) var(--sp-7) var(--sp-22);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: var(--sp-10);
  align-items: center;
}
.hero__col { display: flex; flex-direction: column; gap: var(--sp-6); }
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.32;
  font-weight: 900;
  color: var(--c-navy-800);
  letter-spacing: .01em;
}
.hero__bubble {
  position: relative;
  display: inline-block;
  margin-bottom: .3em;
  padding: .06em .5em .12em;
  font-size: .78em;
  background: var(--c-blue-600);
  color: var(--c-white);
  border-radius: .55em;
  rotate: -2.5deg;
}
.hero__bubble::after {
  content: ""; position: absolute; left: 1.1em; bottom: -.32em;
  width: .5em; height: .5em; background: inherit;
  clip-path: polygon(0 0, 100% 0, 15% 100%);
}
.hero__em {
  font-style: normal;
  background: linear-gradient(transparent 62%, var(--c-gold-soft) 62%, var(--c-gold-soft) 92%, transparent 92%);
}
.hero__lead { font-size: 17px; color: var(--c-text-sub); max-width: 30em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-4); margin-top: var(--sp-2); }

/* Orbit: the logo's ellipse, with the photo as the planet */
.hero__orbit { position: relative; width: 100%; max-width: 560px; aspect-ratio: 1 / 1; justify-self: center; }
.hero__orbit-svg { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; overflow: visible; }
.hero__orbit-star { filter: drop-shadow(0 0 6px rgba(255,201,74,.9)); }
.hero__planet {
  position: absolute; inset: 16%;
  border-radius: 50%; overflow: hidden; z-index: 1;
  box-shadow: 0 0 0 10px var(--c-white), 0 40px 60px -30px rgba(11,30,74,.55);
}
.hero__planet img { width: 100%; height: 100%; object-fit: cover; }
.hero__satellites li {
  position: absolute; left: var(--x); top: var(--y); z-index: 3;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  background: var(--c-white);
  border: 1.5px solid var(--c-navy-800);
  border-radius: 999px;
  box-shadow: var(--shadow-pop);
  font-size: 14px; font-weight: 700; color: var(--c-navy-800); white-space: nowrap;
  animation: bob 6s ease-in-out var(--d) infinite;
}
.hero__satellites li::before {
  content: ""; width: 12px; height: 12px; background: var(--c-gold);
  -webkit-mask: var(--star) center / contain no-repeat; mask: var(--star) center / contain no-repeat;
}
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ---------- Problem (chat) ---------- */
.chat { display: flex; flex-direction: column; gap: var(--sp-5); }
.chat__bubble {
  align-self: flex-start;
  max-width: min(540px, 90%);
  padding: var(--sp-4) var(--sp-6);
  background: var(--c-ice-50);
  border: 1.5px solid var(--c-border);
  border-radius: 24px 24px 24px 6px;
  font-weight: 700; color: var(--c-navy-800); line-height: 1.65;
  rotate: var(--tilt, 0deg);
}
.chat__bubble--shift { margin-left: var(--sp-14); }
.chat__reply {
  align-self: flex-end;
  display: flex; flex-direction: row-reverse; align-items: flex-end; gap: var(--sp-3);
  margin-top: var(--sp-4);
  max-width: 92%;
}
.chat__reply p {
  padding: var(--sp-5) var(--sp-7);
  background: var(--c-blue-600); color: var(--c-white);
  border-radius: 26px 26px 6px 26px;
  font-family: var(--font-display); font-size: 21px; font-weight: 700; line-height: 1.55;
  box-shadow: 0 18px 30px -18px rgba(20,70,200,.7);
}
.chat__reply strong { color: var(--c-gold-soft); }
.chat__avatar {
  flex-shrink: 0; width: 46px; height: 46px; border-radius: 50%;
  background: var(--c-navy-800);
  display: flex; align-items: center; justify-content: center;
}

/* ---------- Service ---------- */
.service__grid { display: flex; flex-wrap: wrap; gap: var(--sp-6); }
.service-card {
  flex: 1 1 320px;
  min-width: 0;
  background: var(--c-white);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 2px rgba(14,42,71,.04);
  transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px -16px rgba(14,42,71,.22); }
.service-card img { width: 100%; height: 220px; object-fit: cover; }
.service-card__body { padding: var(--sp-7) var(--sp-6) 30px; display: flex; flex-direction: column; gap: var(--sp-3); }
.service-card__tag { font-family: var(--font-en); font-size: 12px; font-weight: 600; letter-spacing: .14em; color: var(--c-blue-600); }
.service-card__body h3 { font-size: 21px; font-weight: 700; color: var(--c-navy-800); }
.service-card__body p { color: var(--c-text-sub); flex-grow: 1; }
.service-card__link { margin-top: var(--sp-1); font-weight: 700; display: inline-flex; align-items: center; gap: var(--sp-2); }
.service-card__link svg { transition: transform var(--dur-fast) var(--ease-standard); }
.service-card__link:hover svg { transform: translateX(3px); }

/* ---------- Service planets (home) ---------- */
.planets { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--sp-9); }
.planets__path { position: absolute; left: 0; top: 40px; width: 100%; height: 200px; pointer-events: none; }
.planet { position: relative; margin-top: var(--sp-16); }
.planet--high { margin-top: 0; }
.planet__link { display: flex; flex-direction: column; align-items: center; gap: var(--sp-2); text-align: center; color: inherit; }
.planet__link:hover { color: inherit; }
.planet__img {
  width: min(230px, 70%); aspect-ratio: 1 / 1; margin-bottom: var(--sp-5);
  border-radius: 50%; overflow: hidden;
  box-shadow: 0 0 0 10px var(--c-white), 0 0 0 11.5px var(--c-border), 0 30px 40px -26px rgba(11,30,74,.55);
  transition: box-shadow var(--dur-base) var(--ease-standard);
}
.planet__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease-standard); }
.planet__link:hover .planet__img { box-shadow: 0 0 0 10px var(--c-white), 0 0 0 13px var(--c-blue-600), 0 30px 40px -26px rgba(11,30,74,.55); }
.planet__link:hover .planet__img img { transform: scale(1.08); }
.planet__tag { font-family: var(--font-en); font-size: 10.5px; letter-spacing: .22em; color: var(--c-blue-600); }
.planet h3 { font-family: var(--font-display); font-size: 24px; font-weight: 700; color: var(--c-navy-800); }
.planet p { color: var(--c-text-sub); font-size: 15px; max-width: 22em; }
.planet__more { margin-top: var(--sp-2); font-weight: 700; color: var(--c-blue-600); }
.planet__more span { display: inline-block; transition: transform var(--dur-fast) var(--ease-standard); }
.planet__link:hover .planet__more span { transform: translateX(4px); }

/* ---------- Reason ---------- */
.reason__list { display: flex; flex-direction: column; gap: var(--sp-9); }
.reason-row { display: flex; flex-wrap: wrap; gap: var(--sp-9) 64px; align-items: center; }
.reason-row--reverse { flex-wrap: wrap-reverse; }
.reason-row img {
  flex: 1 1 380px; min-width: 0; width: 100%; height: 340px;
  object-fit: cover; border-radius: 140px 24px 140px 24px;
  box-shadow: 14px 14px 0 var(--c-blue-100);
}
.reason-row--reverse img { border-radius: 24px 140px 24px 140px; box-shadow: -14px 14px 0 var(--c-blue-100); }
.reason-row__text { flex: 1 1 400px; min-width: 0; display: flex; flex-direction: column; gap: var(--sp-4); }
.reason-row__num {
  width: 64px; height: 64px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-gold); color: var(--c-navy-800);
  font-family: var(--font-en); font-size: 17px; line-height: 1;
  rotate: -10deg;
}
.reason-row__text h3, .reason-row__text h2 { font-family: var(--font-display); font-size: 26px !important; font-weight: 700; color: var(--c-navy-800); }
.reason-row__text p { color: var(--c-text-sub); }

/* ---------- Works (home teaser) ---------- */
.works__grid { display: flex; flex-wrap: wrap; gap: var(--sp-6); }
.works__image { flex: 1 1 460px; min-width: 0; width: 100%; height: 420px; object-fit: cover; border-radius: var(--radius); }
.works__list { flex: 1 1 380px; min-width: 0; display: flex; flex-direction: column; }
.works__list a {
  display: flex; flex-direction: column; gap: var(--sp-1);
  padding: var(--sp-6) 0;
  border-top: 1px solid var(--c-footer-border);
  color: var(--c-white);
  transition: padding-left var(--dur-base) var(--ease-standard);
}
.works__list li:last-child a { border-bottom: 1px solid var(--c-footer-border); }
.works__list a:hover { padding-left: var(--sp-2); color: var(--c-white); }
.works__list .works__cat { font-size: 13px; color: var(--c-text-on-navy-mute); }
.works__list .works__name { font-size: 19px; font-weight: 700; }
.works__list .works__point { font-size: 15px; color: var(--c-text-on-navy-sub); }

/* ---------- Voice ---------- */
.voice__grid { display: flex; flex-wrap: wrap; gap: var(--sp-6); }
.voice-card {
  flex: 1 1 300px;
  min-width: 0;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 34px var(--sp-8) 30px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  background: var(--c-white);
}
.voice-card blockquote { color: var(--c-text); }
.voice-card figcaption { display: flex; align-items: center; gap: var(--sp-4); font-size: 14px; color: var(--c-text-mute); }
.voice-card__avatar {
  width: 44px; height: 44px; border-radius: 50%; background: var(--c-blue-100);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en); font-weight: 700; color: var(--c-blue-600); font-size: 15px; flex-shrink: 0;
}

/* ---------- Compare ---------- */
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ib { display: inline-block; }
.compare__table-wrap { margin-bottom: var(--sp-12); }
.compare__table { width: 100%; border-collapse: separate; border-spacing: 0; }
.compare__table th, .compare__table td { padding: var(--sp-5) var(--sp-6); text-align: left; vertical-align: middle; }
.compare__table tbody th { width: 22%; font-size: 14px; font-weight: 700; color: var(--c-navy-800); border-bottom: 1px solid var(--c-border); }
.compare__table td.compare__other { width: 36%; font-size: 15px; color: var(--c-text-mute); border-bottom: 1px solid var(--c-border); }
.compare__table thead th { padding-bottom: var(--sp-4); font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--c-text-mute); }
.compare__table sup { font-size: 10px; margin-left: 2px; }
/* ESTRS column: one raised, highlighted panel */
.compare__us { background: var(--c-white); border-left: 2px solid var(--c-blue-600); border-right: 2px solid var(--c-blue-600); }
.compare__table thead .compare__us { border-top: 2px solid var(--c-blue-600); border-radius: 22px 22px 0 0; padding: var(--sp-5) var(--sp-6) var(--sp-3); }
.compare__table thead .compare__us img { height: 40px; width: auto; }
.compare__table tbody tr:last-child .compare__us { border-bottom: 2px solid var(--c-blue-600); border-radius: 0 0 22px 22px; }
.compare__table tbody tr:not(:last-child) .compare__us { border-bottom: 1px dashed var(--c-blue-200); }
.compare__table td.compare__us strong { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--c-blue-600); }
.compare__table td.compare__us strong::before {
  content: ""; width: 14px; height: 14px; flex-shrink: 0; background: var(--c-gold);
  -webkit-mask: var(--star) center / contain no-repeat; mask: var(--star) center / contain no-repeat;
}
.compare__table td.compare__us small { display: block; margin-top: 2px; padding-left: 22px; font-size: 13px; color: var(--c-text-sub); }

.compare__sim {
  max-width: 1000px; margin: 0 auto var(--sp-9);
  background: var(--c-navy-800); color: var(--c-white);
  border-radius: var(--radius-lg);
  padding: var(--sp-10) var(--sp-10) var(--sp-8);
  display: flex; flex-direction: column; gap: var(--sp-7);
}
.compare__sim-title { font-family: var(--font-display); font-size: 24px; font-weight: 700; }
.compare__sim-lead { font-size: 14px; color: var(--c-text-on-navy-sub); margin-top: var(--sp-1); }
.sim__note { padding-top: var(--sp-4); border-top: 1px dashed rgba(255,255,255,.2); font-size: 12px; color: var(--c-text-on-navy-mute); }
.sim__note summary {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer; list-style: none;
  font-size: 13px; font-weight: 700; color: var(--c-text-on-navy-sub);
}
.sim__note summary:hover { color: var(--c-white); }
.sim__note summary .chevron { transition: transform var(--dur-base) var(--ease-standard); }
.sim__note[open] summary .chevron { transform: rotate(180deg); }
.sim__note p { margin-top: var(--sp-3); line-height: 1.8; }

/* Simulator */
.sim { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: var(--sp-10); align-items: center; }
.sim__controls { display: flex; flex-direction: column; gap: var(--sp-7); }
.sim__field { margin: 0; padding: 0; border: none; min-width: 0; display: flex; flex-direction: column; gap: var(--sp-3); }
.sim__label { display: flex; align-items: baseline; justify-content: space-between; padding: 0; font-size: 14px; font-weight: 700; color: var(--c-text-on-navy-sub); }
.sim__val { font-size: 14px; color: var(--c-white); }
.sim__val output { font-family: var(--font-en); font-size: 24px; color: var(--c-gold); margin-right: 4px; }
.sim__range {
  -webkit-appearance: none; appearance: none; width: 100%; height: 28px; margin: 0;
  background: transparent; cursor: pointer;
  --p: 50%;
}
.sim__range::-webkit-slider-runnable-track {
  height: 6px; border-radius: 999px;
  background: linear-gradient(90deg, var(--c-blue-450) 0, var(--c-blue-450) var(--p), rgba(255,255,255,.16) var(--p));
}
.sim__range::-moz-range-track { height: 6px; border-radius: 999px; background: rgba(255,255,255,.16); }
.sim__range::-moz-range-progress { height: 6px; border-radius: 999px; background: var(--c-blue-450); }
.sim__range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 26px; height: 26px; margin-top: -10px;
  border-radius: 50%; background: var(--c-gold); border: 3px solid var(--c-navy-800);
  box-shadow: 0 0 0 2px var(--c-gold); transition: transform var(--dur-fast) var(--ease-standard);
}
.sim__range::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%; background: var(--c-gold);
  border: 3px solid var(--c-navy-800); box-shadow: 0 0 0 2px var(--c-gold);
}
.sim__range:hover::-webkit-slider-thumb, .sim__range:focus-visible::-webkit-slider-thumb { transform: scale(1.15); }
.sim__range:focus-visible { outline: none; }
.sim__range:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 2px var(--c-gold), 0 0 0 6px rgba(255,201,74,.35); }
.sim__scale { position: relative; height: 16px; font-size: 11px; line-height: 16px; color: var(--c-text-on-navy-mute); margin-top: -4px; }
/* 目盛りをつまみの中心位置に合わせる（つまみ幅26px） */
.sim__scale span { position: absolute; top: 0; left: calc(13px + (100% - 26px) * var(--at)); transform: translateX(-50%); white-space: nowrap; }
.sim__scale span:first-child { left: 0; transform: none; }
.sim__scale span:last-child { left: auto; right: 0; transform: none; }
.sim__chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.sim__field.is-disabled .sim__label, .sim__field.is-disabled .sim__range, .sim__field.is-disabled .sim__scale { opacity: .35; }
.sim__range:disabled { cursor: not-allowed; }
.sim__hint { font-size: 12px; color: var(--c-gold-soft); }
.sim__chip { position: relative; cursor: pointer; }
.sim__chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.sim__chip span {
  display: inline-flex; align-items: center; min-height: 40px; padding: 0 var(--sp-4);
  border: 1.5px solid rgba(255,255,255,.3); border-radius: 999px;
  font-size: 13px; font-weight: 700; color: var(--c-text-on-navy-sub);
  transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard);
}
.sim__chip:hover span { border-color: var(--c-white); color: var(--c-white); }
.sim__chip input:checked + span { background: var(--c-gold); border-color: var(--c-gold); color: var(--c-navy-800); }
.sim__chip input:focus-visible + span { outline: 2px solid var(--c-blue-450); outline-offset: 2px; }

.sim__result {
  display: flex; flex-direction: column; gap: var(--sp-6);
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  border-radius: 20px; padding: var(--sp-7);
}
.bar { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--sp-2) var(--sp-3); align-items: end; }
.bar__label { font-size: 15px; font-weight: 700; line-height: 1.4; }
.bar__label small { display: block; font-size: 11.5px; font-weight: 400; color: var(--c-text-on-navy-mute); }
.bar__track { grid-column: 1 / -1; grid-row: 2; height: 22px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.bar__fill {
  display: block; height: 100%; width: 0; border-radius: 999px;
  background: rgba(255,255,255,.35);
  transition: width .8s var(--ease-standard);
}
.bar__fill:not(.bar__fill--other) { background: linear-gradient(90deg, var(--c-blue-450), var(--c-gold)); }
.bar__value { grid-column: 2; grid-row: 1; font-family: var(--font-en); font-size: 18px; text-align: right; white-space: nowrap; }
.bar--us .bar__value { color: var(--c-gold); font-size: 22px; }
.sim__diff { padding-top: var(--sp-5); border-top: 1px dashed rgba(255,255,255,.2); font-size: 15px; font-weight: 700; text-align: right; }
.sim__diff strong { font-family: var(--font-display); font-size: 34px; font-weight: 900; color: var(--c-gold); margin: 0 6px; }

.compare__sources { max-width: 820px; margin: 0 auto; font-size: 12px; color: var(--c-text-mute); text-align: center; }

/* ---------- Price (ticket) ---------- */
.price__grid { display: flex; flex-wrap: wrap; gap: var(--sp-6); align-items: stretch; margin-bottom: var(--sp-6); }
.price-card {
  --bd: var(--c-border); --bw: 1.5px;
  flex: 1 1 300px;
  min-width: 0;
  background: var(--c-white);
  border: var(--bw) solid var(--bd);
  border-radius: 22px;
  padding: var(--sp-9) var(--sp-7);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  position: relative;
}
.price-card--featured { --bd: var(--c-blue-600); --bw: 2px; box-shadow: 10px 10px 0 var(--c-blue-100); }
.price-card__badge {
  position: absolute; top: -26px; right: 22px;
  width: 68px; height: 68px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: var(--c-gold); color: var(--c-navy-800);
  font-family: var(--font-display); font-size: 13px; font-weight: 900; line-height: 1.2;
  rotate: 12deg;
}
.price-card__name { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--c-navy-800); }
.price-card__amount { font-family: var(--font-en); font-size: 30px; color: var(--c-navy-800); line-height: 1.3; white-space: nowrap; }
.price-card__amount span { font-family: var(--font-jp); font-size: 15px; font-weight: 500; color: var(--c-text-mute); }
.price-card__list {
  position: relative;
  margin: 0; padding: var(--sp-6) 0 0; border-top: 2px dashed var(--c-border);
  display: flex; flex-direction: column; gap: var(--sp-2); font-size: 15px; color: var(--c-text-sub);
}
/* ticket notches on the perforation line */
.price-card__list::before, .price-card__list::after {
  content: ""; position: absolute; top: -15px;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--bg, var(--c-white));
  border: var(--bw) solid var(--bd);
}
.price-card__list::before { left: calc(-1 * var(--sp-7) - var(--bw) - 14px); clip-path: inset(0 0 0 50%); }
.price-card__list::after  { right: calc(-1 * var(--sp-7) - var(--bw) - 14px); clip-path: inset(0 50% 0 0); }
.price-card__list li { display: flex; gap: var(--sp-2); }
.price-card__list li::before {
  content: ""; width: 14px; height: 14px; margin-top: 6px; flex-shrink: 0; background: var(--c-blue-600);
  -webkit-mask: var(--star) center / contain no-repeat; mask: var(--star) center / contain no-repeat;
}
.price-note { text-align: center; font-size: 14px; color: var(--c-text-mute); }

/* ---------- Flow (constellation) ---------- */
.constellation { position: relative; }
.constellation__line {
  position: absolute; left: 0; top: 0; width: 100%; height: 172px;
  clip-path: inset(0 100% 0 0);
  transition: clip-path 2.4s var(--ease-standard);
}
.constellation.is-drawn .constellation__line { clip-path: inset(0 0 0 0); }
.constellation__list { position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.constellation__step {
  display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center;
  padding: calc((4 - var(--i)) * 36px) var(--sp-3) 0;
}
.constellation__star {
  width: 28px; height: 28px; margin-bottom: var(--sp-3); flex-shrink: 0;
  background: var(--c-blue-200);
  -webkit-mask: var(--star) center / contain no-repeat; mask: var(--star) center / contain no-repeat;
  transform: scale(.55);
  transition: transform .5s var(--ease-standard), background .5s var(--ease-standard);
  transition-delay: calc(var(--i) * .45s);
}
.constellation.is-drawn .constellation__star { transform: scale(1); background: var(--c-blue-600); }
.constellation.is-drawn .constellation__step--goal .constellation__star { background: var(--c-gold); transform: scale(1.35) rotate(45deg); }
.flow__step-label { font-family: var(--font-en); font-size: 10.5px; letter-spacing: .2em; color: var(--c-blue-600); }
.flow__step-title { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--c-navy-800); line-height: 1.45; }
.flow__step-desc { font-size: 14px; color: var(--c-text-mute); }

/* ---------- FAQ ---------- */
.faq__list { display: flex; flex-direction: column; gap: var(--sp-3); }
.faq-item {
  background: var(--c-white);
  border-radius: 20px;
  padding: 0 var(--sp-6);
  border: 1.5px solid var(--c-border);
  transition: border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
.faq-item[open] { border-color: var(--c-navy-800); box-shadow: var(--shadow-pop); }
.faq-item summary {
  list-style: none; cursor: pointer; min-height: 68px;
  display: flex; align-items: center; gap: var(--sp-4);
  font-weight: 700; color: var(--c-navy-800);
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .q-mark {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-blue-600); color: var(--c-white);
  font-family: var(--font-en); font-size: 12px;
}
.faq-item summary .chevron { margin-left: auto; transition: transform var(--dur-base) var(--ease-standard); color: var(--c-blue-600); flex-shrink: 0; }
.faq-item[open] summary .chevron { transform: rotate(180deg); }
.faq-item p { padding: 0 0 var(--sp-6) 48px; color: var(--c-text-sub); }

/* ---------- CTA (night sky) ---------- */
.cta {
  position: relative;
  overflow: hidden;
  text-align: center;
  background: radial-gradient(70% 90% at 50% 120%, #1B3E9E 0%, rgba(27,62,158,0) 70%), var(--c-navy-800);
  padding-top: var(--sp-22); padding-bottom: var(--sp-22);
}
.cta__grid-bg { display: none; }
.cta::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(1.6px 1.6px at 8% 22%, #fff 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 19% 70%, #fff 50%, transparent 52%),
    radial-gradient(2px 2px at 31% 14%, #FFE08A 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 44% 84%, #fff 50%, transparent 52%),
    radial-gradient(1.6px 1.6px at 58% 10%, #fff 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 67% 62%, #fff 50%, transparent 52%),
    radial-gradient(2px 2px at 79% 26%, #fff 50%, transparent 52%),
    radial-gradient(1.4px 1.4px at 88% 78%, #FFE08A 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 95% 40%, #fff 50%, transparent 52%);
  animation: sky-breathe 5s ease-in-out infinite alternate;
}
.cta::after {
  content: ""; position: absolute; left: -10%; top: 18%; width: 120%; height: 64%;
  border: 1.5px solid rgba(63,169,255,.35); border-radius: 50%;
  transform: rotate(-8deg); pointer-events: none;
}
@keyframes sky-breathe { from { opacity: .45; } to { opacity: 1; } }
.cta__inner { position: relative; z-index: 1; max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--sp-5); align-items: center; }
.cta .section-title { font-size: 42px; }
.cta p { color: var(--c-text-on-navy-sub); }
.cta__actions { display: flex; flex-wrap: wrap; gap: var(--sp-4); justify-content: center; margin-top: var(--sp-3); }

/* ---------- Footer ---------- */
.site-footer { background: var(--c-navy-900); color: var(--c-white); }
.site-footer__inner {
  max-width: var(--container-wide); margin: 0 auto; padding: var(--sp-14) var(--sp-7) var(--sp-10);
  display: flex; flex-wrap: wrap; gap: var(--sp-9) var(--sp-18); justify-content: space-between;
}
.site-footer__brand { display: flex; flex-direction: column; gap: var(--sp-4); max-width: 320px; }
.site-footer__brand .brand { color: var(--c-white); }
.site-footer__desc { font-size: 14px; color: var(--c-footer-text); }
.fnav { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--sp-3) var(--sp-12); font-size: 14px; align-content: start; }
.fnav a { color: var(--c-white); }
.fnav a:hover { color: var(--c-blue-300); }
.site-footer__bottom {
  border-top: 1px solid var(--c-footer-border); text-align: center;
  font-family: var(--font-en); font-size: 12px; letter-spacing: .08em; color: var(--c-footer-text);
  padding: var(--sp-5);
}

/* ---------- Breadcrumb (sub pages) ---------- */
.breadcrumb { padding: var(--sp-5) var(--sp-7) 0; background: var(--c-ice-50); }
.breadcrumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); font-size: 13px; color: var(--c-text-mute); max-width: var(--container-wide); margin: 0 auto; }
.breadcrumb__list a { color: var(--c-text-mute); }
.breadcrumb__list a:hover { color: var(--c-blue-600); }
.breadcrumb__sep { color: var(--c-blue-300); }
.breadcrumb__current { color: var(--c-navy-800); font-weight: 700; }

/* ---------- Page header (sub pages) ---------- */
.page-header {
  background: radial-gradient(60% 90% at 85% 0%, var(--c-blue-50) 0%, rgba(228,236,255,0) 70%), var(--c-ice-50);
  padding: var(--sp-18) var(--sp-7) var(--sp-16);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 130%; height: 80%;
  border: 1.5px dashed var(--c-blue-200); border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-6deg); pointer-events: none;
}
.page-header::after {
  content: ""; position: absolute; right: 12%; top: 22%; width: 22px; height: 22px;
  background: var(--c-gold);
  -webkit-mask: var(--star) center / contain no-repeat; mask: var(--star) center / contain no-repeat;
  animation: twinkle 3.6s ease-in-out infinite;
}
.page-header__inner { position: relative; max-width: var(--container-mid); margin: 0 auto; display: flex; flex-direction: column; gap: var(--sp-3); align-items: center; }
.page-header h1 { font-family: var(--font-display); font-size: 44px; font-weight: 900; color: var(--c-navy-800); line-height: 1.35; }
.page-header p { color: var(--c-text-sub); max-width: 38em; }

/* ---------- Generic content blocks (sub pages) ---------- */
.prose { display: flex; flex-direction: column; gap: var(--sp-5); color: var(--c-text-sub); }
.prose h2 { font-size: 24px; font-weight: 700; color: var(--c-navy-800); margin-top: var(--sp-6); }
.prose h3 { font-size: 18px; font-weight: 700; color: var(--c-navy-800); }
.prose ul { display: flex; flex-direction: column; gap: var(--sp-2); padding-left: var(--sp-5); list-style: disc; }

.card-grid { display: flex; flex-wrap: wrap; gap: var(--sp-6); }

/* ---------- Works / Gallery filter page ---------- */
.gallery-filter {
  display: flex; flex-wrap: wrap; gap: var(--sp-5);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: var(--sp-6) var(--sp-7);
  margin-bottom: var(--sp-9);
}
.gallery-filter__group { display: flex; flex-direction: column; gap: var(--sp-2); flex: 1 1 180px; min-width: 0; }
.gallery-filter__label { font-size: 13px; font-weight: 700; color: var(--c-navy-800); }
.gallery-filter__select {
  min-height: 46px; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 0 var(--sp-4); font-size: 15px; font-family: var(--font-jp); color: var(--c-text);
  background: var(--c-white);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%231A63BD' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  appearance: none;
  -webkit-appearance: none;
}
.gallery-filter__reset {
  align-self: flex-end;
  flex: 0 0 auto;
  min-height: 46px;
  padding: 0 var(--sp-6);
  border: 1.5px solid var(--c-navy-800);
  background: var(--c-white);
  color: var(--c-navy-800);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}
.gallery-filter__reset:hover { background: var(--c-navy-800); color: var(--c-white); }
.gallery-count { font-size: 14px; color: var(--c-text-mute); margin-bottom: var(--sp-5); }
.gallery-count strong { color: var(--c-navy-800); font-size: 18px; font-family: var(--font-en); }

.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.gallery-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-base) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard), opacity var(--dur-base) var(--ease-standard);
}
.gallery-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px -18px rgba(14,42,71,.25); }
.gallery-card img { width: 100%; height: 190px; object-fit: cover; }
.gallery-card__body { padding: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-2); flex-grow: 1; }
.gallery-card__tags { display: flex; flex-wrap: wrap; gap: var(--sp-1); margin-bottom: var(--sp-1); }
.gallery-card__tag {
  font-size: 11px; font-weight: 700; letter-spacing: .04em;
  color: var(--c-blue-600); background: var(--c-ice-50);
  border: 1px solid var(--c-border); border-radius: 100px;
  padding: 3px 10px;
}
.gallery-card__name { font-size: 13px; color: var(--c-text-mute); }
.gallery-card__title { font-size: 17px; font-weight: 700; color: var(--c-navy-800); }
.gallery-card__point { font-size: 14px; color: var(--c-text-sub); flex-grow: 1; }
.gallery-card[hidden] { display: none; }
.gallery-empty { display: none; text-align: center; padding: var(--sp-16) var(--sp-5); color: var(--c-text-mute); }
.gallery-empty.is-visible { display: block; }

/* ---------- Contact form ---------- */
.contact-form { display: flex; flex-direction: column; gap: var(--sp-6); background: var(--c-white); border: 1px solid var(--c-border); border-radius: var(--radius); padding: var(--sp-9) var(--sp-8); }
.form-row { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-row--split { flex-direction: row; flex-wrap: wrap; gap: var(--sp-5); }
.form-row--split > * { flex: 1 1 220px; min-width: 0; }
.form-label { font-size: 14px; font-weight: 700; color: var(--c-navy-800); display: flex; align-items: center; gap: var(--sp-2); }
.form-required { font-size: 11px; font-weight: 700; color: #FFFFFF; background: #C0442F; border-radius: 3px; padding: 2px 7px; }
.form-optional { font-size: 11px; font-weight: 700; color: var(--c-text-mute); background: var(--c-ice-50); border: 1px solid var(--c-border); border-radius: 3px; padding: 2px 7px; }
.form-input, .form-select, .form-textarea {
  min-height: 50px; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 0 var(--sp-4); font-size: 16px; font-family: var(--font-jp); color: var(--c-text);
  background: var(--c-white);
  transition: border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
.form-textarea { min-height: 160px; padding: var(--sp-4); resize: vertical; line-height: 1.7; }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--c-blue-600); box-shadow: 0 0 0 3px rgba(26,99,189,.14); outline: none;
}
.form-hint { font-size: 13px; color: var(--c-text-mute); }
.form-agree { display: flex; align-items: flex-start; gap: var(--sp-2); font-size: 14px; color: var(--c-text-sub); }
.form-agree input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--c-blue-600); flex-shrink: 0; }
.form-submit { display: flex; flex-direction: column; align-items: center; gap: var(--sp-3); margin-top: var(--sp-3); }
.form-note { font-size: 13px; color: var(--c-text-mute); text-align: center; }
.form-status { font-size: 14px; text-align: center; min-height: 1.4em; color: var(--c-blue-600); font-weight: 700; }
.form-status.is-error { color: #C0442F; }
.form-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-form button[disabled] { opacity: .6; cursor: wait; transform: none; }

.contact-info-grid { display: flex; flex-wrap: wrap; gap: var(--sp-6); margin-bottom: var(--sp-11); }
.contact-info-card {
  flex: 1 1 260px; min-width: 0; background: var(--c-ice-50); border-radius: var(--radius);
  padding: var(--sp-7); display: flex; flex-direction: column; gap: var(--sp-2);
}
.contact-info-card h3 { font-size: 15px; font-weight: 700; color: var(--c-navy-800); display: flex; align-items: center; gap: var(--sp-2); }
.contact-info-card p { font-size: 15px; color: var(--c-text-sub); }

/* ---------- Scroll reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-standard), transform var(--dur-slow) var(--ease-standard);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-group > * { transition-delay: calc(var(--i, 0) * 70ms); }

/* ---------- Responsive: 768px breakpoint ---------- */
@media (max-width: 768px) {
  :root { --sp-section: 56px; }

  .gnav { display: none; }
  .header-cta { display: none; }
  .hamburger { display: block; }

  .mobile-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--c-white);
    z-index: 90;
    overflow-y: auto;
    padding: var(--sp-7);
    display: flex;
    flex-direction: column;
    gap: var(--sp-7);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard), visibility 0s linear var(--dur-base);
  }
  .mobile-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard), visibility 0s;
  }
  .mobile-nav__list { display: flex; flex-direction: column; }
  .mobile-nav__list a {
    display: flex; align-items: center; min-height: 56px;
    font-size: 17px; font-weight: 700; color: var(--c-navy-800);
    border-bottom: 1px solid var(--c-border);
    opacity: 0; transform: translateY(10px);
    transition: opacity var(--dur-base) var(--ease-standard), transform var(--dur-base) var(--ease-standard);
    transition-delay: calc(var(--i, 0) * 45ms);
  }
  .mobile-nav.is-open .mobile-nav__list a { opacity: 1; transform: translateY(0); }
  .mobile-nav__cta { margin-top: auto; }

  .hero__inner { grid-template-columns: 1fr; padding: var(--sp-10) var(--sp-5) var(--sp-14); gap: var(--sp-6); }
  .hero h1 { font-size: clamp(30px, 8.6vw, 40px); }
  .hero__orbit { max-width: 400px; }
  .hero__satellites li { font-size: 12px; padding: 6px 12px; }

  .chat__bubble--shift { margin-left: var(--sp-5); }
  .chat__reply p { font-size: 17px; padding: var(--sp-4) var(--sp-5); }

  .planets { grid-template-columns: 1fr; gap: var(--sp-14); }
  .planets__path { display: none; }
  .planet, .planet--high { margin-top: 0; }

  .reason-row img { border-radius: 90px 20px 90px 20px; height: 260px; }
  .reason-row--reverse img { border-radius: 20px 90px 20px 90px; }

  .constellation__line { display: none; }
  .constellation__list { grid-template-columns: 1fr; gap: var(--sp-7); }
  .constellation__list::before {
    content: ""; position: absolute; left: 13px; top: 14px; bottom: 14px;
    border-left: 1.5px dashed var(--c-blue-500);
  }
  .constellation__step { position: relative; align-items: flex-start; text-align: left; padding: 0 0 0 48px; }
  .constellation__star { position: absolute; left: 0; top: 0; margin: 0; }

  .compare__table, .compare__table tbody { display: block; }
  .compare__table thead { display: none; }
  .compare__table tr { display: grid; grid-template-columns: 1fr 1fr; margin-bottom: var(--sp-4); background: var(--c-white); border-radius: 18px; overflow: hidden; border: 1.5px solid var(--c-border); }
  .compare__table tbody th { grid-column: 1 / -1; width: auto; padding: var(--sp-3) var(--sp-4); background: var(--c-ice-50); border-bottom: 1px solid var(--c-border); }
  .compare__table td.compare__other, .compare__table td.compare__us { width: auto; padding: var(--sp-4); border: none !important; border-radius: 0 !important; font-size: 13px; }
  .compare__table td.compare__us { background: var(--c-blue-50); }
  .compare__table td.compare__other::before, .compare__table td.compare__us::before { display: block; margin-bottom: 4px; font-size: 11px; font-weight: 700; }
  .compare__table td.compare__other::before { content: "一般的な制作会社"; color: var(--c-text-mute); }
  .compare__table td.compare__us::before { content: "ESTRS"; font-family: var(--font-en); color: var(--c-blue-600); }
  .compare__table td.compare__us strong { font-size: 15px; }
  .compare__table td.compare__us strong::before { display: none; }
  .compare__table td.compare__us small { padding-left: 0; font-size: 12px; }
  .compare__sim { padding: var(--sp-8) var(--sp-5); }
  .sim { grid-template-columns: 1fr; gap: var(--sp-8); }
  .sim__result { padding: var(--sp-5); }
  .sim__diff { text-align: center; font-size: 13px; white-space: nowrap; }
  .sim__diff strong { font-size: 26px; margin: 0 4px; }
  .sim__chip span { padding: 0 var(--sp-3); font-size: 12px; }
  .bar__label { font-size: 14px; }
  .bar__value { font-size: 16px; }
  .bar--us .bar__value { font-size: 19px; }

  .cta { padding-top: var(--sp-16); padding-bottom: var(--sp-16); }
  .cta .section-title { font-size: 28px; }
  .page-header h1 { font-size: 30px; }
  .section { padding: var(--sp-section) var(--sp-5); }
  .container, .container--mid, .container--narrow { padding-left: var(--sp-5); padding-right: var(--sp-5); }
  .section-title { font-size: 28px; }
  .page-header { padding: var(--sp-11) var(--sp-5) var(--sp-10); }

  .section-head--split { flex-direction: column; align-items: flex-start; }

  .works__list a:hover { padding-left: 0; }

  .hero__actions,
  .cta__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn,
  .cta__actions .btn { width: 100%; }

  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-filter { flex-direction: column; }
  .gallery-filter__reset { align-self: stretch; }

  .price-card__amount { font-size: 24px; }

  .site-footer__inner { padding: var(--sp-11) var(--sp-5) var(--sp-8); }
  .fnav { grid-template-columns: 1fr; gap: var(--sp-3); }

  .contact-form { padding: var(--sp-7) var(--sp-5); }
  .form-row--split { flex-direction: column; }
}

@media (min-width: 769px) {
  .mobile-nav { display: none; }
}