/* =================================================================
   合同会社Soremoa — Corporate Site
   Direction: editorial / white base × confident orange · in motion.
   ================================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Base */
  --white:    #FFFFFF;
  --paper:    #FBFAF7;   /* faint warm white for alt sections */
  --paper-2:  #F4F1EA;   /* slightly deeper surface */
  --ink:      #16130F;   /* warm near-black */
  --ink-soft: #4D4842;
  --ink-mute: #938C81;
  --line:     rgba(22, 19, 15, 0.10);
  --line-soft:rgba(22, 19, 15, 0.06);

  /* Accent — orange */
  --orange:      #FF5A1E;
  --orange-deep: #E5440C;
  --orange-ink:  #BE3A0C;   /* AA-safe orange for small text on white */
  --orange-soft: #FFEEE4;
  --orange-tint: rgba(255, 90, 30, 0.10);

  /* Sub-brand palettes (service mockups) */
  --plotz-navy: #112038;
  --plotz-amber:#D89A4E;
  --yoriai-green:#2F6B33;
  --yoriai-mint:#DCEAD0;

  /* Type */
  --font-latin: 'Schibsted Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-jp:    'Zen Kaku Gothic New', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
  --font-base:  var(--font-jp);
  --font-display: var(--font-jp);

  /* Layout */
  --container: 1200px;
  --gutter: clamp(1.25rem, 5vw, 4.5rem);
  --section-y: clamp(5rem, 12vw, 10rem);
  --radius: 16px;
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 8px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  background: var(--white);
  color: var(--ink);
  line-height: 1.85;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, iframe { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::selection { background: var(--orange); color: #fff; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 2px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden,
.skip-link:not(:focus):not(:focus-within) {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed;
  top: 12px; left: 12px;
  z-index: 300;
  background: var(--ink);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
}

.accent-dot { color: var(--orange); }

/* ---------- Scroll progress bar ---------- */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 100%;
  transform: scaleX(var(--p, 0));
  transform-origin: left;
  background: linear-gradient(90deg, var(--orange), #FF8A4C);
  z-index: 200;
  will-change: transform;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--white) 72%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), height 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--white) 88%, transparent);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: inline-flex; }
.brand img { width: 134px; height: auto; transition: transform 0.4s var(--ease); }
.brand:hover img { transform: scale(1.03); }

.nav { display: flex; align-items: center; }
.nav__menu {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.5vw, 2.6rem);
}
.nav__menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  transition: color 0.2s var(--ease);
}
.nav__menu a:not(.nav__cta)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.34s var(--ease);
}
.nav__menu a:hover { color: var(--ink); }
.nav__menu a:hover:not(.nav__cta)::after,
.nav__menu a.is-active:not(.nav__cta)::after { transform: scaleX(1); }
.nav__menu a.is-active:not(.nav__cta) { color: var(--ink); }

.nav__cta {
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  color: var(--ink) !important;
  background: var(--orange-soft);
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}
.nav__cta:hover { background: var(--orange); color: #fff !important; transform: translateY(-1px); }

.nav__toggle { display: none; }

/* ---------- Buttons ---------- */
.btn {
  --pad-y: 0.9rem;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: var(--pad-y) 1.7rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  overflow: hidden;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn--lg { --pad-y: 1.1rem; padding-inline: 2.1rem; font-size: 1.05rem; }
.btn--primary { background: var(--orange); color: var(--ink); }
.btn--primary:hover { background: var(--ink); color: #fff; transform: translateY(-2px); }
.btn--ghost { border: 1.5px solid var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--orange); color: var(--orange-ink); transform: translateY(-2px); }
.btn__arrow { transition: transform 0.3s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}
.hero__inner { position: relative; z-index: 1; padding-block: clamp(3rem, 8vh, 6rem); max-width: 100%; }

/* animated orange orb — the signature in motion */
.hero__orb {
  position: absolute;
  z-index: 0;
  top: 48%;
  right: clamp(-9rem, -2vw, -2rem);
  width: clamp(320px, 46vw, 700px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 36% 32%, #FF8A4C, #FF5A1E 46%, #F0490F 70%);
  filter: blur(6px);
  opacity: 0.92;
  transform: translateY(-50%);
  animation: orb-float 14s var(--ease) infinite alternate;
  pointer-events: none;
}
.hero__orb::after {
  content: "";
  position: absolute; inset: -14% ;
  border-radius: 50%;
  background: radial-gradient(circle at 60% 60%, transparent 58%, var(--orange-tint) 60%, transparent 72%);
}
@keyframes orb-float {
  0%   { transform: translateY(-50%) translateX(0) scale(1); }
  100% { transform: translateY(-54%) translateX(-3%) scale(1.06); }
}

.hero__eyebrow {
  font-family: var(--font-latin);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: clamp(1.4rem, 4vh, 2.4rem);
  padding-left: 2.6rem;
  position: relative;
}
.hero__eyebrow::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 1.9rem; height: 2px;
  background: var(--orange);
  transform-origin: left;
  animation: line-grow 1s var(--ease) both 0.2s;
}
@keyframes line-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.4rem, 13vw, 8.8rem);
  line-height: 0.96;
  letter-spacing: -0.015em;
  margin-bottom: clamp(1.2rem, 3vh, 2rem);
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span { display: inline-block; white-space: nowrap; }
.hero__title .accent-dot { display: inline; }
.hero__title .accent-dot--pulse {
  display: inline-block;
  animation: dot-pulse 2.6s var(--ease) infinite;
  transform-origin: center 80%;
}
@keyframes dot-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.18); }
}

.hero__sub {
  font-family: var(--font-latin);
  font-size: clamp(1.1rem, 2.4vw, 1.55rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
  margin-bottom: clamp(1.6rem, 4vh, 2.6rem);
}
.hero__lead {
  max-width: 46ch;
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  color: var(--ink-soft);
  line-height: 2;
  margin-bottom: clamp(2rem, 5vh, 3rem);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.hero__scroll {
  position: absolute;
  left: var(--gutter); bottom: 1.8rem;
  z-index: 1;
  display: grid; place-items: center;
  width: 26px; height: 58px;
}
.hero__scroll-line {
  width: 1.5px; height: 100%;
  background: var(--line);
  position: relative; overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute; left: 0; top: -50%;
  width: 100%; height: 50%;
  background: var(--orange);
  animation: scroll-drop 2.2s var(--ease) infinite;
}
@keyframes scroll-drop { 0% { top: -50%; } 60%, 100% { top: 100%; } }

/* ---------- Marquee ---------- */
.marquee {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--line);
  padding-block: clamp(1.1rem, 2.4vw, 1.8rem);
  background: var(--paper);
}
.marquee__track {
  display: flex;
  width: max-content;
  gap: 0;
  animation: marquee 28s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.4vw, 3rem);
  letter-spacing: -0.01em;
  color: var(--ink);
  padding-inline: clamp(1rem, 2.5vw, 2.2rem);
  display: inline-flex; align-items: center; gap: clamp(1rem,2.5vw,2.2rem);
  white-space: nowrap;
}
.marquee__item::after {
  content: "";
  width: 0.6em; height: 0.6em;
  border-radius: 50%;
  background: var(--orange);
  flex: none;
}
.marquee__item--ghost {
  color: transparent;
  -webkit-text-stroke: 1.4px var(--ink);
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Section scaffolding ---------- */
.section { padding-block: var(--section-y); position: relative; }
.section--philosophy { background: var(--white); }
.section--message { background: var(--paper); }
.section--service { background: var(--white); }
.section--company { background: var(--paper); }
.section--contact { background: var(--white); }

.section__head { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.section__index {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-latin);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--orange-ink);
  margin-bottom: 1rem;
}
.section__index::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--orange);
}
.section__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
}
.section__tagline {
  margin-top: 1rem;
  max-width: 42ch;
  color: var(--ink-soft);
  font-size: clamp(0.98rem, 1.3vw, 1.1rem);
}

/* ---------- Philosophy ---------- */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  border-top: 1px solid var(--line);
  padding-top: clamp(2rem, 4vw, 3.5rem);
}
.value { position: relative; }
.value__num {
  font-family: var(--font-latin);
  font-size: 0.9rem; font-weight: 600;
  color: var(--ink-mute);
  display: flex; align-items: center; gap: 0.7rem;
  margin-bottom: 1.6rem;
}
.value__num::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--orange);
  transition: transform 0.4s var(--ease);
}
.value:hover .value__num::before { transform: scale(1.6); }
.value__name {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  font-weight: 700; line-height: 1.4;
  margin-bottom: 1rem;
}
.value__body { color: var(--ink-soft); font-size: 1rem; }

/* ---------- Message ---------- */
.message__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.4fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.message__head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 2rem); }
.message__body {
  font-size: clamp(1rem, 1.25vw, 1.12rem);
  line-height: 2.2;
  color: var(--ink-soft);
  max-width: 60ch;
}
.message__body p + p { margin-top: 1.5rem; }
.message__body p:first-child { color: var(--ink); font-weight: 500; }
.message__body p:first-child::first-letter {
  color: var(--orange);
}
.message__sign {
  margin-top: clamp(2.5rem, 5vw, 3.5rem) !important;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
  display: flex; align-items: baseline; gap: 1rem;
}
.message__role { font-size: 0.85rem; color: var(--ink-mute); letter-spacing: 0.08em; }
.message__name {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.95rem);
  font-weight: 700; color: var(--ink); letter-spacing: 0.05em;
}

/* ---------- Service ---------- */
.service-group + .service-group { margin-top: clamp(3.5rem, 8vw, 6.5rem); }
.service-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "tag name" "tag desc";
  column-gap: 1.4rem;
  align-items: baseline;
  border-top: 1px solid var(--line);
  padding-top: clamp(1.4rem, 3vw, 2.2rem);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.service-group__tag {
  grid-area: tag;
  font-family: var(--font-latin);
  font-size: 0.9rem; font-weight: 700;
  color: #fff; background: var(--orange);
  width: 2.1rem; height: 2.1rem;
  display: grid; place-items: center;
  border-radius: 50%; align-self: start;
}
.service-group__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 700; line-height: 1.3;
}
.service-group__desc {
  grid-area: desc;
  margin-top: 0.5rem;
  color: var(--ink-soft);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  max-width: 50ch;
}

/* alternating service rows (LP-screenshot style) */
.srow {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.8rem, 5vw, 4.5rem);
  align-items: center;
}
.srow + .srow { margin-top: clamp(2.5rem, 6vw, 5rem); }
.srow:nth-child(even) .srow__visual { order: 2; }

.srow__meta {
  display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap;
  margin-bottom: 1.2rem;
}
.srow__domain {
  font-family: var(--font-display);
  font-weight: 700; font-size: 0.95rem;
  color: var(--orange-ink);
  padding-right: 0.7rem; border-right: 1px solid var(--line);
}
.srow__en {
  font-family: var(--font-latin);
  font-size: 0.82rem; letter-spacing: 0.06em;
  color: var(--ink-mute); text-transform: uppercase;
}
.badge {
  font-family: var(--font-latin);
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em;
  padding: 0.3rem 0.62rem; border-radius: 999px; line-height: 1;
}
.badge--wip { background: var(--orange); color: #fff; }
.badge--new { background: transparent; color: var(--orange-ink); border: 1px solid currentColor; }

.srow__name {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 700; line-height: 1.2; letter-spacing: -0.01em;
  margin-bottom: 1rem;
}
.srow__name-en {
  font-family: var(--font-latin);
  font-size: 0.5em; font-weight: 500; color: var(--ink-mute);
}
.srow__name-sub {
  display: inline;
  margin-left: 0.55rem;
  font-family: var(--font-jp);
  font-size: 0.42em; font-weight: 500; letter-spacing: 0.04em;
  color: var(--orange-ink);
  white-space: nowrap;
}
.srow__body { color: var(--ink-soft); font-size: clamp(1rem, 1.3vw, 1.1rem); max-width: 46ch; }
.srow__link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-top: 1.6rem;
  font-weight: 700; font-size: 0.98rem; color: var(--orange-ink);
  width: fit-content;
}
.srow__link-arrow { transition: transform 0.3s var(--ease); }
.srow__link:hover .srow__link-arrow { transform: translate(3px, -3px); }

/* browser-window mockup */
.mock {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px -50px rgba(22,19,15,0.55), 0 8px 24px -16px rgba(22,19,15,0.3);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.srow:hover .mock { transform: translateY(-6px); box-shadow: 0 56px 100px -50px rgba(22,19,15,0.6); }
.mock__bar {
  display: flex; align-items: center; gap: 0.5rem;
  height: 40px; padding-inline: 1rem;
  background: color-mix(in srgb, var(--paper-2) 60%, #fff);
  border-bottom: 1px solid var(--line-soft);
}
.mock__dots { display: flex; gap: 6px; }
.mock__dots i { width: 11px; height: 11px; border-radius: 50%; background: var(--line); display: block; }
.mock__dots i:first-child { background: #FF6157; }
.mock__dots i:nth-child(2) { background: #FEBC2E; }
.mock__dots i:nth-child(3) { background: #2ACA44; }
.mock__url {
  margin-left: 0.6rem;
  flex: 1;
  height: 22px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--paper-2) 80%, #fff);
  display: flex; align-items: center; gap: 0.4rem;
  padding-inline: 0.7rem;
  font-family: var(--font-latin);
  font-size: 0.72rem; color: var(--ink-mute);
  max-width: 240px;
}
.mock__url::before {
  content: ""; width: 8px; height: 8px; border-radius: 2px;
  border: 1.5px solid var(--ink-mute); border-bottom: none;
  background: linear-gradient(var(--ink-mute) 0 0) bottom/100% 5px no-repeat;
  opacity: 0.6;
}
.mock__screen {
  position: relative;
  aspect-ratio: 16 / 11;
  display: grid;
  place-items: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  overflow: hidden;
}

/* real LP-screenshot mockups */
.mock--shot .mock__screen { padding: 0; place-items: stretch; background: #fff; }
.mock__shot {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: object-position 1.4s var(--ease);
}
.srow:hover .mock--shot .mock__shot { object-position: center bottom; }

/* Plotz screen */
.mock--plotz .mock__screen {
  background:
    radial-gradient(120% 90% at 80% 0%, rgba(216,154,78,0.30), transparent 55%),
    linear-gradient(160deg, #14253E, var(--plotz-navy) 70%);
}
.mock--plotz .ms-logo { width: clamp(140px, 42%, 230px); }
.mock--plotz .ms-tag {
  margin-top: 1.1rem;
  font-family: var(--font-jp);
  font-size: clamp(0.85rem, 1.5vw, 1.05rem);
  font-weight: 500;
  color: #EFE7DA; text-align: center;
}
.mock--plotz .ms-swipe {
  position: absolute; inset: auto auto -8% 50%;
  display: flex; gap: 14px; transform: translateX(-50%);
}
.mock--plotz .ms-swipe span {
  width: clamp(64px, 16%, 108px); aspect-ratio: 3/4;
  border-radius: 14px;
  border: 1.5px solid rgba(216,154,78,0.55);
  background: linear-gradient(160deg, rgba(255,255,255,0.10), rgba(255,255,255,0.02));
  backdrop-filter: blur(2px);
}
.mock--plotz .ms-swipe span:nth-child(1) { transform: rotate(-9deg) translateY(10px); }
.mock--plotz .ms-swipe span:nth-child(3) { transform: rotate(9deg) translateY(10px); }

/* Yoriai screen — chat UI */
.mock--yoriai .mock__screen {
  background: linear-gradient(170deg, #EFF6E8, var(--yoriai-mint));
  place-items: stretch;
  grid-template-rows: auto 1fr;
  gap: 0.7rem;
  padding: clamp(1.2rem, 3vw, 2rem);
}
.ms-chat-head {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-jp); font-weight: 700;
  color: var(--yoriai-green); font-size: 0.95rem;
}
.ms-chat-head i {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--yoriai-green); color: #fff;
  display: grid; place-items: center; font-size: 0.85rem; font-weight: 700;
}
.ms-chat { display: flex; flex-direction: column; gap: 0.6rem; justify-content: flex-end; }
.ms-bubble {
  max-width: 78%;
  padding: 0.6rem 0.9rem;
  border-radius: 16px;
  font-family: var(--font-jp); font-size: clamp(0.78rem, 1.5vw, 0.92rem);
  line-height: 1.6;
}
.ms-bubble--user {
  align-self: flex-end;
  background: var(--yoriai-green); color: #fff;
  border-bottom-right-radius: 5px;
}
.ms-bubble--bot {
  align-self: flex-start;
  background: #fff; color: var(--ink);
  border-bottom-left-radius: 5px;
  box-shadow: 0 4px 14px -8px rgba(0,0,0,0.25);
}
.ms-handoff {
  align-self: flex-start;
  margin-top: 0.15rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  background: var(--yoriai-green); color: #fff;
  font-family: var(--font-jp); font-weight: 700;
  font-size: clamp(0.72rem, 1.4vw, 0.85rem);
  box-shadow: 0 8px 20px -10px rgba(47,107,51,0.7);
}

/* Omoide screen — editorial */
.mock--omoide .mock__screen {
  background: linear-gradient(165deg, #FFFFFF, #F1EBE1);
}
.mock--omoide .ms-frame {
  display: grid; place-items: center; gap: 0.9rem;
  padding: clamp(1rem,3vw,2rem) clamp(1.4rem,4vw,3rem);
  border: 1px solid rgba(22,19,15,0.14);
  border-radius: 6px;
}
.mock--omoide .ms-dots { letter-spacing: 0.5em; color: var(--ink); font-size: 0.7rem; }
.mock--omoide .ms-logo { width: clamp(150px, 60%, 240px); }
.mock--omoide .ms-tag {
  font-family: var(--font-jp); font-size: clamp(0.8rem, 1.4vw, 0.98rem);
  color: var(--ink-soft); letter-spacing: 0.04em;
}

/* 営業・販売支援 — compact dual cards */
.duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1rem, 2vw, 1.5rem);
}
.scard {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.7rem, 3vw, 2.8rem);
  background: var(--white);
  transition: transform 0.45s var(--ease), border-color 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.scard::before {
  content: "";
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--orange);
  transform: scaleY(0); transform-origin: top;
  transition: transform 0.5s var(--ease);
}
.scard:hover {
  transform: translateY(-5px);
  border-color: var(--orange);
  box-shadow: 0 34px 64px -42px rgba(255,90,30,0.5);
}
.scard:hover::before { transform: scaleY(1); }
.scard__num {
  position: absolute;
  top: clamp(1rem, 2vw, 1.6rem); right: clamp(1.2rem, 2.5vw, 2rem);
  font-family: var(--font-latin);
  font-weight: 700; font-size: clamp(2.6rem, 5vw, 3.8rem);
  line-height: 1; color: rgba(255, 90, 30, 0.14);
}
.scard__chips { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.2rem; }
.chip {
  font-family: var(--font-jp);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.03em;
  padding: 0.34rem 0.72rem; border-radius: 999px;
  background: var(--orange-soft); color: var(--orange-ink);
}
.scard__name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 700; line-height: 1.25; letter-spacing: -0.01em;
  margin-bottom: 0.9rem;
}
.scard__desc { color: var(--ink-soft); font-size: 1rem; max-width: 38ch; }

/* ---------- Company ---------- */
.company__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}
.company__head { margin-bottom: 0; position: sticky; top: calc(var(--header-h) + 2rem); }
.company__list { border-top: 1px solid var(--line); }
.company__row {
  display: grid;
  grid-template-columns: minmax(120px, 0.3fr) 1fr;
  gap: 1.5rem;
  padding: clamp(1.1rem, 2vw, 1.5rem) 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.35s var(--ease);
}
.company__row:hover { padding-left: 0.6rem; }
.company__row dt { font-weight: 500; color: var(--ink-mute); font-size: 0.95rem; }
.company__row dd { color: var(--ink); }
.company__row a { color: var(--orange-ink); }
.company__row a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Contact ---------- */
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: stretch;
}
.contact__lead { margin: 1.5rem 0 2.5rem; max-width: 38ch; color: var(--ink-soft); }
.contact__list { margin-bottom: 2.5rem; }
.contact__list li {
  display: grid; grid-template-columns: 90px 1fr; gap: 1rem; align-items: baseline;
  padding: 0.95rem 0; border-top: 1px solid var(--line);
}
.contact__list li:last-child { border-bottom: 1px solid var(--line); }
.contact__label { font-size: 0.85rem; color: var(--ink-mute); letter-spacing: 0.05em; }
.contact__value { font-family: var(--font-latin); font-size: clamp(1rem, 1.5vw, 1.15rem); color: var(--ink); }
a.contact__value { transition: color 0.2s var(--ease); }
a.contact__value:hover { color: var(--orange-ink); }

.contact__map {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  min-height: 380px; background: var(--paper);
}
.contact__map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink); color: var(--paper);
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.site-footer__inner {
  display: grid; grid-template-columns: 1fr auto;
  gap: clamp(2rem, 5vw, 4rem); align-items: start;
}
.site-footer__brand img { width: 150px; }
.site-footer__tagline {
  margin-top: 1.2rem;
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 500;
  display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap;
}
.site-footer__tagline .accent-dot { color: var(--orange); }
.site-footer__en {
  font-family: var(--font-latin); font-size: 0.85rem; font-weight: 400;
  color: rgba(251,250,247,0.5); letter-spacing: 0.05em;
}
.site-footer__nav ul { display: flex; flex-direction: column; gap: 0.8rem; }
.site-footer__nav a {
  font-size: 0.95rem; color: rgba(251,250,247,0.7);
  position: relative; transition: color 0.2s var(--ease);
}
.site-footer__nav a:hover { color: var(--orange); }
.site-footer__copy {
  grid-column: 1 / -1;
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(251,250,247,0.14);
  color: rgba(251,250,247,0.5);
  font-family: var(--font-latin); letter-spacing: 0.04em;
}

/* ---------- Scroll reveal (JS-on only) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.85s var(--ease-out), transform 0.85s var(--ease-out);
  transition-delay: calc(var(--reveal-delay, 0) * 90ms);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

/* heading entrance for hero lines */
.js .hero__title .line > span {
  transform: translateY(110%);
  transition: transform 0.9s var(--ease-out);
  transition-delay: calc(var(--reveal-delay, 0) * 110ms + 0.15s);
}
.js .hero.is-in .hero__title .line > span { transform: translateY(0); }

.js [data-parallax] { will-change: transform; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .message__grid, .company__grid, .contact__grid { grid-template-columns: 1fr; }
  .message__head, .company__head { position: static; margin-bottom: 2rem; }
  .srow { grid-template-columns: 1fr; gap: 1.6rem; }
  .srow:nth-child(even) .srow__visual { order: 0; }
  .srow__visual { order: 0; }
}

@media (max-width: 680px) {
  :root { --header-h: 64px; }
  .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; }

  .brand { position: relative; z-index: 120; }
  .nav__toggle {
    display: inline-flex; flex-direction: column; justify-content: center;
    gap: 6px; width: 44px; height: 44px; z-index: 120;
  }
  .nav__toggle-bar {
    display: block; width: 24px; height: 2px; background: var(--ink);
    border-radius: 2px; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  }
  .nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) { transform: translateY(4px) rotate(45deg); }
  .nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

  .nav__menu {
    position: fixed; inset: 0; z-index: 110;
    flex-direction: column; justify-content: center; gap: 2rem;
    background: var(--white);
    transform: translateX(100%); transition: transform 0.42s var(--ease);
    padding: 2rem;
  }
  .nav__menu.is-open { transform: translateX(0); }
  .nav__menu a { font-size: 1.4rem; }
  .nav__menu .nav__cta { padding: 0.7rem 1.6rem; }

  .values { grid-template-columns: 1fr; gap: 2.5rem; }
  .value { padding-bottom: 2rem; border-bottom: 1px solid var(--line-soft); }
  .value:last-child { border-bottom: 0; padding-bottom: 0; }

  .duo { grid-template-columns: 1fr; }
  .company__row { grid-template-columns: 1fr; gap: 0.4rem; }
  .company__row:hover { padding-left: 0; }
  .contact__list li { grid-template-columns: 1fr; gap: 0.2rem; }
  .hero__lead { font-size: 1rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js .reveal { opacity: 1 !important; transform: none !important; }
  .js .hero__title .line > span { transform: none !important; }
  .marquee__track { animation: none !important; }
  .hero__scroll-line::after { display: none; }
  [data-parallax] { transform: none !important; }
}