/* ===========================================================
   売らないメディアパートナーズ株式会社
   Brand Storytelling Studio
   =========================================================== */

/* ---------- Variables ---------- */
:root {
  --c-bg: #0a0a0a;
  --c-bg-2: #111111;
  --c-bg-3: #1a1a1a;
  --c-text: #f5f3ee;
  --c-text-mute: #a0a0a0;
  --c-text-dim: #666666;
  --c-line: #2a2a2a;
  --c-orange: #ff9933;
  --c-red: #ff3333;
  --c-gray: #666666;

  --f-jp: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --f-en: "Cormorant Garamond", "Times New Roman", serif;
  --f-ui: "Inter", "Helvetica Neue", system-ui, -apple-system, sans-serif;

  --pad-x: clamp(20px, 5vw, 80px);
  --section-pad: clamp(80px, 12vw, 180px);
  --ease: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--f-jp);
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.04em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { border: none; background: none; cursor: pointer; color: inherit; font: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4, p, dl, dt, dd { margin: 0; padding: 0; }

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

/* ===========================================================
   LOADER
   =========================================================== */
.loader {
  position: fixed;
  inset: 0;
  background: var(--c-bg);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader__inner {
  width: 200px;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}
.loader__line {
  position: absolute;
  inset: 0;
  background: var(--c-orange);
  transform: scaleX(0);
  transform-origin: left center;
  animation: load 1.6s var(--ease) forwards;
}
@keyframes load {
  0%   { transform: scaleX(0); transform-origin: left center; }
  60%  { transform: scaleX(1); transform-origin: left center; }
  61%  { transform-origin: right center; }
  100% { transform: scaleX(0); transform-origin: right center; }
}

/* ===========================================================
   HEADER
   =========================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px var(--pad-x);
  transition: background 0.4s var(--ease), padding 0.4s var(--ease);
  pointer-events: none;
}
.header > * { pointer-events: auto; }

.header.is-scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding-top: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-line);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 110;
  transition: opacity 0.3s var(--ease);
}
.header__logo:hover { opacity: 0.85; }
.header__logo-img {
  width: 44px;
  height: 44px;
  display: block;
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(255, 153, 51, 0.25);
  transition: width 0.3s var(--ease), height 0.3s var(--ease);
}
.header.is-scrolled .header__logo-img {
  width: 38px;
  height: 38px;
}
.header__logo-sub {
  font-family: var(--f-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--c-text);
  text-transform: uppercase;
  padding-top: 2px;
}

.header__nav { display: block; }
.nav__list {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--f-en);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  position: relative;
  padding: 6px 0;
  transition: color 0.3s var(--ease);
}
.nav__num {
  font-size: 9px;
  color: var(--c-orange);
  letter-spacing: 0.2em;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--c-orange);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.4s var(--ease);
}
.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}
.nav__link--cta {
  padding: 8px 18px;
  border: 1px solid var(--c-orange);
  color: var(--c-orange);
  border-radius: 999px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover {
  background: var(--c-orange);
  color: #000;
}

.header__menu {
  display: none;
  width: 36px;
  height: 24px;
  position: relative;
  z-index: 110;
}
.header__menu span {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--c-text);
  transition: transform 0.4s var(--ease), opacity 0.2s var(--ease), top 0.4s var(--ease);
}
.header__menu span:nth-child(1) { top: 4px; }
.header__menu span:nth-child(2) { top: 12px; }
.header__menu span:nth-child(3) { top: 20px; }
.header__menu.is-open span:nth-child(1) { top: 12px; transform: rotate(45deg); }
.header__menu.is-open span:nth-child(2) { opacity: 0; }
.header__menu.is-open span:nth-child(3) { top: 12px; transform: rotate(-45deg); }

/* ===========================================================
   HERO
   =========================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0 var(--pad-x);
  overflow: hidden;
  isolation: isolate;
}

.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__bg-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  will-change: transform;
}
/* Layer 1: deep gradient base — テキスト視認性のため赤を抑え、暗茶〜黒で構成 */
.hero__bg-layer--1 {
  background:
    radial-gradient(ellipse at 85% 15%, rgba(255, 153, 51, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 15% 85%, rgba(255, 153, 51, 0.10) 0%, transparent 50%),
    linear-gradient(165deg, #050505 0%, #0a0805 35%, #15100a 60%, #0a0805 100%);
}
/* Layer 2: subtle light streaks — 文字位置を避けた弱めのスイープ */
.hero__bg-layer--2 {
  background:
    linear-gradient(115deg,
      transparent 0%,
      transparent 60%,
      rgba(255, 153, 51, 0.05) 75%,
      rgba(255, 153, 51, 0.08) 82%,
      rgba(255, 153, 51, 0.04) 90%,
      transparent 100%);
  mix-blend-mode: screen;
  animation: heroSweep 14s ease-in-out infinite alternate;
}
/* Layer 3: vignette */
.hero__bg-layer--3 {
  background:
    radial-gradient(ellipse at center, transparent 35%, rgba(0,0,0,0.55) 100%);
}
@keyframes heroSweep {
  0%   { transform: translateX(-10%) translateY(0); }
  100% { transform: translateX(10%) translateY(-3%); }
}

/* film grain */
.hero__grain {
  position: absolute;
  inset: -50%;
  background-image:
    radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 2px;
  opacity: 0.5;
  pointer-events: none;
  animation: grain 6s steps(6) infinite;
}
@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-2%, 2%); }
  40% { transform: translate(2%, -2%); }
  60% { transform: translate(-1%, -1%); }
  80% { transform: translate(1%, 2%); }
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: 1400px;
  width: 100%;
  padding-top: 80px;
}
.hero__sub {
  font-family: var(--f-en);
  font-size: clamp(11px, 1vw, 13px);
  letter-spacing: 0.4em;
  color: var(--c-orange);
  text-transform: uppercase;
  margin-bottom: 32px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
}
.hero__sub::before {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--c-orange);
}
.hero__title {
  font-family: var(--f-jp);
  font-weight: 600;
  font-size: clamp(48px, 10vw, 160px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  margin-bottom: 40px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.hero__title-line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.05em;
}
.hero__title-line--accent {
  /* 鮮やかな単色オレンジで背景から完全に切り離す */
  color: var(--c-orange);
  text-shadow:
    0 2px 30px rgba(255, 153, 51, 0.35),
    0 0 60px rgba(255, 153, 51, 0.15);
}
.hero__caption {
  font-family: var(--f-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--c-text-mute);
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  right: var(--pad-x);
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--f-en);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--c-text-mute);
  z-index: 2;
}
.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--c-orange) 0%, transparent 100%);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-orange);
  animation: scrollLine 2s var(--ease) infinite;
}
@keyframes scrollLine {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* ===========================================================
   SECTION COMMON
   =========================================================== */
.section {
  position: relative;
  padding: var(--section-pad) var(--pad-x);
  max-width: 1400px;
  margin: 0 auto;
}
.section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(40px, 6vw, 80px);
  font-family: var(--f-en);
  letter-spacing: 0.2em;
}
.section__num {
  font-size: 12px;
  color: var(--c-orange);
}
.section__label {
  font-size: 14px;
  text-transform: uppercase;
  color: var(--c-text);
}
.section__head::before {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--c-orange);
  margin-right: 10px;
}
.section__title {
  font-family: var(--f-jp);
  font-weight: 500;
  font-size: clamp(36px, 6.5vw, 90px);
  line-height: 1.18;
  letter-spacing: 0.04em;
  margin-bottom: clamp(50px, 7vw, 100px);
}
.section__title span {
  display: block;
  overflow: hidden;
  padding-bottom: 0.05em;
  white-space: nowrap;
}

/* ===========================================================
   PHILOSOPHY
   =========================================================== */
.philosophy { padding-bottom: clamp(60px, 10vw, 140px); }

.philosophy__main {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 60px);
  align-items: start;
  margin-bottom: clamp(60px, 9vw, 130px);
}
.philosophy__title {
  font-family: var(--f-jp);
  font-weight: 500;
  font-size: clamp(40px, 7vw, 110px);
  line-height: 1.15;
  letter-spacing: 0.04em;
}
.philosophy__title span {
  display: block;
  overflow: hidden;
  padding-bottom: 0.05em;
  white-space: nowrap;
}
.philosophy__title span:last-child {
  color: var(--c-orange);
}
.philosophy__lead {
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 2;
  color: var(--c-text-mute);
  border-left: 2px solid var(--c-orange);
  padding-left: 24px;
  max-width: 640px;
  margin-top: 12px;
}

.philosophy__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-line);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.pcard {
  background: var(--c-bg);
  padding: clamp(30px, 4vw, 60px) clamp(24px, 3vw, 40px);
  position: relative;
  transition: background 0.4s var(--ease);
}
.pcard:hover { background: var(--c-bg-2); }
.pcard__num {
  font-family: var(--f-en);
  font-size: clamp(60px, 8vw, 120px);
  font-weight: 300;
  color: var(--c-orange);
  opacity: 0.2;
  position: absolute;
  top: 20px; right: 30px;
  line-height: 1;
}
.pcard__title {
  font-family: var(--f-en);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--c-orange);
  margin-bottom: 16px;
}
.pcard__body {
  font-family: var(--f-jp);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.9;
  font-weight: 500;
}

/* ===========================================================
   SERVICE
   =========================================================== */
.service { background: var(--c-bg-2); max-width: 100%; padding-left: var(--pad-x); padding-right: var(--pad-x); }
.service > * { max-width: 1400px; margin-left: auto; margin-right: auto; }

.service__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.scard {
  display: grid;
  grid-template-columns: 100px 1fr 60px;
  align-items: center;
  gap: clamp(20px, 4vw, 60px);
  padding: clamp(28px, 4vw, 50px) 0;
  border-top: 1px solid var(--c-line);
  position: relative;
  transition: padding-left 0.4s var(--ease);
  cursor: pointer;
}
.scard:last-child { border-bottom: 1px solid var(--c-line); }
.scard::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 0;
  height: 1px;
  background: var(--c-orange);
  transition: width 0.6s var(--ease);
}
.scard:hover::before { width: 100%; }
.scard:hover { padding-left: 20px; }

.scard__num {
  font-family: var(--f-en);
  font-size: clamp(40px, 4vw, 56px);
  font-weight: 300;
  color: var(--c-orange);
  letter-spacing: 0.05em;
}
.scard__title {
  font-family: var(--f-jp);
  font-size: clamp(22px, 3vw, 40px);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.scard__desc {
  font-size: clamp(13px, 1vw, 15px);
  color: var(--c-text-mute);
  line-height: 1.8;
}
.scard__arrow {
  font-size: 24px;
  color: var(--c-orange);
  transition: transform 0.4s var(--ease);
  text-align: right;
}
.scard:hover .scard__arrow { transform: translateX(8px); }

/* ===========================================================
   COMPANY
   =========================================================== */
.company__table {
  border-top: 1px solid var(--c-line);
  max-width: 900px;
}
.company__row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 30px;
  padding: clamp(20px, 2.5vw, 30px) 0;
  border-bottom: 1px solid var(--c-line);
}
.company__row dt {
  font-family: var(--f-jp);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--c-orange);
  font-weight: 600;
  padding-top: 4px;
}
.company__row dd {
  font-family: var(--f-jp);
  font-size: clamp(15px, 1.2vw, 17px);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.8;
}
.company__en {
  display: inline-block;
  font-family: var(--f-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-text-mute);
  margin-top: 4px;
}

/* ===========================================================
   CTA
   =========================================================== */
.cta {
  max-width: 100%;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: clamp(100px, 14vw, 200px) var(--pad-x);
  isolation: isolate;
}
.cta__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(255,153,51,0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 50%, rgba(255,51,51,0.15) 0%, transparent 55%),
    linear-gradient(135deg, #1a0a05 0%, #0a0a0a 100%);
}
.cta__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 4px 4px;
  opacity: 0.4;
}

.cta__inner {
  max-width: 1000px;
  margin: 0 auto;
}
.cta__sub {
  font-family: var(--f-en);
  font-size: 13px;
  letter-spacing: 0.4em;
  color: var(--c-orange);
  text-transform: uppercase;
  margin-bottom: 32px;
}
.cta__title {
  font-family: var(--f-jp);
  font-weight: 600;
  font-size: clamp(48px, 10vw, 150px);
  line-height: 1.12;
  letter-spacing: 0.04em;
  margin-bottom: 40px;
}
.cta__title span {
  display: block;
  overflow: hidden;
  padding-bottom: 0.05em;
  white-space: nowrap;
}
.cta__title span:last-child {
  color: var(--c-orange);
  text-shadow:
    0 2px 30px rgba(255, 153, 51, 0.35),
    0 0 60px rgba(255, 153, 51, 0.15);
}
.cta__lead {
  font-family: var(--f-jp);
  font-size: clamp(15px, 1.3vw, 18px);
  line-height: 2;
  color: var(--c-text-mute);
  margin-bottom: 60px;
}

.cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  padding: 26px 60px;
  background: var(--c-orange);
  color: #000;
  border-radius: 999px;
  font-family: var(--f-jp);
  font-weight: 700;
  font-size: clamp(15px, 1.4vw, 18px);
  letter-spacing: 0.1em;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  box-shadow: 0 10px 40px rgba(255,153,51,0.3);
}
.cta__btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--c-red) 0%, var(--c-orange) 100%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  z-index: -1;
}
.cta__btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 50px rgba(255,51,51,0.4);
}
.cta__btn:hover::before { opacity: 1; }
.cta__btn-icon {
  font-size: 20px;
  transition: transform 0.4s var(--ease);
}
.cta__btn:hover .cta__btn-icon { transform: translateX(6px); }
.cta__note {
  margin-top: 24px;
  font-family: var(--f-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-text-mute);
}

/* ===========================================================
   FOOTER
   =========================================================== */
.footer {
  border-top: 1px solid var(--c-line);
  padding: 60px var(--pad-x) 30px;
}
.footer__inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}
.footer__logo {
  display: flex;
  align-items: center;
  gap: 16px;
  transition: opacity 0.3s var(--ease);
}
.footer__logo:hover { opacity: 0.85; }
.footer__logo-img {
  width: 52px;
  height: 52px;
  display: block;
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(255, 153, 51, 0.2);
  flex-shrink: 0;
}
.footer__logo-text {
  display: flex;
  flex-direction: column;
  font-family: var(--f-jp);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
}
.footer__logo-main {
  font-size: 15px;
}
.footer__logo-sub {
  font-family: var(--f-en);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--c-orange);
  margin-top: 6px;
}
.footer__nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.footer__nav a {
  font-family: var(--f-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-text-mute);
  transition: color 0.3s var(--ease);
}
.footer__nav a:hover { color: var(--c-orange); }
.footer__copy {
  font-family: var(--f-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--c-text-dim);
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--c-line);
}

/* ===========================================================
   REVEAL ANIMATIONS
   =========================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-text] {
  display: block;
}
[data-reveal-text] > span,
[data-reveal-text].split-target {
  display: block;
  overflow: hidden;
}
[data-reveal-text] .reveal-inner {
  display: block;
  transform: translateY(110%);
  transition: transform 1.1s var(--ease-out);
}
[data-reveal-text].is-revealed .reveal-inner {
  transform: translateY(0);
}
[data-reveal-text].is-revealed .reveal-inner:nth-child(2) {
  transition-delay: 0.15s;
}
[data-reveal-text].is-revealed .reveal-inner:nth-child(3) {
  transition-delay: 0.3s;
}

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width: 960px) {
  .header__nav {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
    z-index: 105;
  }
  .header__nav.is-open { transform: translateX(0); }
  .nav__list {
    flex-direction: column;
    gap: 32px;
    align-items: flex-start;
  }
  .nav__link {
    font-size: 24px;
    font-family: var(--f-jp);
    font-weight: 500;
  }
  .nav__num { font-size: 11px; }
  .nav__link--cta {
    margin-top: 20px;
    padding: 14px 28px;
    font-size: 15px;
  }
  .header__menu { display: block; }

  .philosophy__main {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .philosophy__grid {
    grid-template-columns: 1fr;
  }

  .scard {
    grid-template-columns: 60px 1fr 30px;
    gap: 20px;
  }
  .scard__num { font-size: 32px; }

  .company__row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 600px) {
  :root {
    --pad-x: 20px;
    --section-pad: 90px;
  }

  .header { padding: 14px var(--pad-x); }
  .header.is-scrolled { padding: 10px var(--pad-x); }
  .header__logo { gap: 12px; }
  .header__logo-img { width: 46px; height: 46px; }
  .header.is-scrolled .header__logo-img { width: 40px; height: 40px; }
  .header__logo-sub { font-size: 10px; letter-spacing: 0.25em; }

  .hero__inner { padding-top: 60px; }
  .hero__title {
    font-size: clamp(44px, 13.5vw, 80px);
    margin-bottom: 32px;
  }
  .hero__sub {
    font-size: 10px;
    letter-spacing: 0.25em;
    margin-bottom: 24px;
  }
  .hero__sub::before { width: 24px; }
  .hero__caption { font-size: 11px; letter-spacing: 0.25em; }

  /* モバイルではスクロールマーカーを消してすっきり */
  .hero__scroll { display: none; }

  .section__title { font-size: clamp(32px, 9vw, 56px); }
  .philosophy__title { font-size: clamp(36px, 11vw, 64px); }
  .philosophy__lead {
    font-size: 14px;
    line-height: 1.9;
    padding-left: 20px;
  }
  .cta__title { font-size: clamp(44px, 13.5vw, 80px); }
  .cta__lead { font-size: 14px; }
  .cta__sub { font-size: 11px; letter-spacing: 0.3em; }

  .section__head { gap: 10px; }
  .section__head::before { width: 24px; margin-right: 6px; }
  .section__num { font-size: 11px; }
  .section__label { font-size: 12px; }

  .scard {
    grid-template-columns: 44px 1fr;
    gap: 14px;
    padding: 24px 0;
  }
  .scard__num { font-size: 26px; }
  .scard__arrow { display: none; }
  .scard__title { font-size: 19px; line-height: 1.4; }
  .scard__desc { font-size: 13px; line-height: 1.7; margin-top: 4px; }

  .pcard {
    padding: 32px 24px;
  }
  .pcard__num { font-size: 80px; top: 16px; right: 24px; }

  .company__row dt {
    font-size: 12px;
    color: var(--c-orange);
    padding-top: 0;
  }
  .company__row dd {
    font-size: 15px;
  }
  .company__en { font-size: 11px; }

  .cta {
    padding: 100px 20px;
  }

  .cta__btn {
    padding: 22px 32px;
    width: 100%;
    max-width: 320px;
    gap: 16px;
    justify-content: center;
    font-size: 15px;
  }
  .cta__btn-icon { font-size: 18px; }
  .cta__note { font-size: 11px; letter-spacing: 0.15em; }

  .footer { padding: 50px var(--pad-x) 24px; }
  .footer__inner {
    flex-direction: column;
    gap: 28px;
    margin-bottom: 36px;
  }
  .footer__nav { gap: 18px 22px; }
  .footer__copy { font-size: 10px; letter-spacing: 0.25em; padding-top: 24px; }
}

/* 小型スマホ（〜380px） */
@media (max-width: 380px) {
  .hero__sub {
    font-size: 10px;
    letter-spacing: 0.2em;
  }
  .hero__title { font-size: clamp(40px, 12.5vw, 64px); }
  .header__logo-img { width: 40px; height: 40px; }
  .header.is-scrolled .header__logo-img { width: 36px; height: 36px; }
  .header__logo-sub { font-size: 9px; letter-spacing: 0.2em; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal], [data-reveal-text] .reveal-inner {
    opacity: 1 !important;
    transform: none !important;
  }
}