/* ============================================
   Design Tokens
============================================ */
:root {
  --paper: #fbf7f1;
  --paper-2: #f3ece1;
  --ink: #26221d;
  --ink-soft: #7a7268;
  --orange: #ff5a1f;
  --orange-deep: #e8430a;
  --coral: #ff8a5c;
  --yellow: #ffc229;
  --blue: #2b49e0;
  --line: #e5dccd;
  --font-en: 'Syne', sans-serif;
  --font-jp: 'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', sans-serif;
  --header-h: 76px;
  --radius: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-jp);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.9;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

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

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================
   Layout Utilities
============================================ */
.container {
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

/* 浮遊背景を透かすため、コンテンツは背景レイヤーより上に置く */
main,
.header,
.footer {
  position: relative;
  z-index: 1;
}

.section {
  position: relative;
  overflow: hidden;
  padding-block: clamp(5rem, 10vw, 8.5rem);
}

.section > .container {
  position: relative;
  z-index: 1;
}

.section--tinted {
  background: rgba(243, 236, 225, 0.72);
}

.section__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75em;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  color: var(--orange);
  margin-bottom: 1.6rem;
}

.section__eyebrow-num {
  display: inline-grid;
  place-items: center;
  width: 2.2em;
  height: 2.2em;
  border: 2px solid currentColor;
  border-radius: 8px;
  font-size: 0.8em;
  letter-spacing: 0;
}

.section__title {
  font-weight: 900;
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem 2rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

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

/* ============================================
   Buttons
============================================ */
.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  padding-bottom: 0.35em;
  border-bottom: 2px solid var(--ink);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.btn-line:hover {
  color: var(--orange);
  border-color: var(--orange);
}

.btn-line__arrow {
  display: inline-block;
  transition: transform 0.25s ease;
}

.btn-line:hover .btn-line__arrow {
  transform: translateX(6px);
}

/* ============================================
   Header
============================================ */
.header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 100;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.header.is-scrolled {
  background: rgba(251, 247, 241, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.06em;
  z-index: 102;
  position: relative;
}

.header__logo-mark {
  width: 0.85em;
  height: 0.85em;
  background: var(--orange);
  border-radius: 26%;
  transform: rotate(12deg);
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.header__logo:hover .header__logo-mark {
  transform: rotate(102deg);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.4vw, 2.2rem);
}

.header__link {
  position: relative;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  padding-block: 0.4em;
}

.header__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.header__link:hover::after,
.header__link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header__entry {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: #fff;
  background: var(--ink);
  padding: 0.75em 1.6em;
  border-radius: 999px;
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.header__entry:hover {
  background: var(--orange);
  transform: translateY(-2px);
}

/* --- Mobile burger / drawer --- */
.header__burger {
  display: none;
  position: relative;
  z-index: 102;
  width: 44px;
  height: 44px;
}

.header__burger span {
  position: absolute;
  left: 10px;
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s ease, top 0.3s ease;
}

.header__burger span:nth-child(1) {
  top: 18px;
}

.header__burger span:nth-child(2) {
  top: 26px;
}

.is-open .header__burger span:nth-child(1) {
  top: 22px;
  transform: rotate(45deg);
}

.is-open .header__burger span:nth-child(2) {
  top: 22px;
  transform: rotate(-45deg);
}

.header__drawer {
  position: fixed;
  inset: 0;
  z-index: 101;
  background: var(--paper);
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.is-open .header__drawer {
  opacity: 1;
  visibility: visible;
}

.header__drawer nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
}

.header__drawer-link {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: clamp(1.8rem, 7vw, 2.6rem);
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.is-open .header__drawer-link {
  opacity: 1;
  transform: translateY(0);
}

.header__drawer-link--entry {
  color: var(--orange);
}

@media (max-width: 900px) {
  .header__nav {
    display: none;
  }

  .header__burger {
    display: block;
  }
}

/* ============================================
   Image Placeholder（画像差し込み予定枠）
============================================ */
.img-ph {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  background: #efe7d8;
  border: 2px dashed #d3c4ab;
  border-radius: var(--radius);
  overflow: hidden;
  color: #9a8d78;
}

/* 実画像を表示するとき: 枠いっぱいにcoverで敷き、点線枠・背景は消す */
.img-ph__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.img-ph:has(.img-ph__img) {
  border: none;
  background: none;
}

.img-ph__cross {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.img-ph__cross line {
  stroke: #ddd0ba;
  stroke-width: 1.5;
}

.img-ph__id {
  position: relative;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  background: var(--paper);
  padding: 0.3em 1em;
  border-radius: 999px;
  border: 1px solid #d3c4ab;
}

.img-ph__label {
  position: relative;
  font-size: 0.72rem;
  text-align: center;
  padding-inline: 1em;
  line-height: 1.6;
}

/* パズルピース型切り抜き: 外側ラッパーがSVGクリップを担い、
   内側 .img-ph のスクロール連動マスクリビール（clip-path inset）と共存させる */
.img-ph-puzzle {
  position: relative;
  width: 100%;
}

.img-ph-puzzle .img-ph {
  position: absolute;
  inset: 0;
  border: none;
  border-radius: 0;
}

/* 曲線的な切り抜き形状（border-radiusのみで実現し、
   スクロール連動のclip-pathマスクリビールと共存させる） */
.img-ph--blob1 {
  border-radius: 58% 42% 55% 45% / 48% 55% 45% 52%;
}

.img-ph--blob2 {
  border-radius: 44% 56% 48% 52% / 58% 44% 56% 42%;
}

.img-ph--arch {
  border-radius: 999px 999px var(--radius) var(--radius);
}

.img-ph--pill {
  border-radius: 999px;
}

/* 楕円（縦長比率の要素に適用すると縦長の楕円になる） */
.img-ph--ellipse {
  border-radius: 50%;
}

/* ============================================
   Floating Background（ページ全体の浮遊シェイプ）
============================================ */
.floating-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.floating-bg__item {
  position: absolute;
  will-change: transform;
}

.floating-bg__shape {
  display: block;
  will-change: transform;
}

.floating-bg__shape--glow {
  width: clamp(240px, 34vw, 460px);
  height: clamp(240px, 34vw, 460px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 138, 92, 0.22) 0%, rgba(255, 138, 92, 0) 68%);
}

.floating-bg__shape--glow2 {
  width: clamp(220px, 30vw, 420px);
  height: clamp(220px, 30vw, 420px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 194, 41, 0.2) 0%, rgba(255, 194, 41, 0) 68%);
}

.floating-bg__shape--ring {
  width: clamp(70px, 9vw, 130px);
  height: clamp(70px, 9vw, 130px);
  border: 2px solid rgba(255, 90, 31, 0.28);
  border-radius: 50%;
}

.floating-bg__shape--ring-dash {
  width: clamp(90px, 11vw, 160px);
  height: clamp(90px, 11vw, 160px);
  border: 2px dashed rgba(38, 34, 29, 0.18);
  border-radius: 50%;
}

.floating-bg__shape--square {
  width: clamp(20px, 2.6vw, 34px);
  height: clamp(20px, 2.6vw, 34px);
  background: rgba(255, 90, 31, 0.3);
  border-radius: 26%;
  transform: rotate(18deg);
}

.floating-bg__shape--square2 {
  width: clamp(16px, 2.2vw, 28px);
  height: clamp(16px, 2.2vw, 28px);
  background: rgba(43, 73, 224, 0.22);
  border-radius: 26%;
  transform: rotate(-12deg);
}

.floating-bg__shape--plus {
  position: relative;
  width: clamp(22px, 2.8vw, 36px);
  height: clamp(22px, 2.8vw, 36px);
}

.floating-bg__shape--plus::before,
.floating-bg__shape--plus::after {
  content: '';
  position: absolute;
  background: rgba(255, 90, 31, 0.32);
  border-radius: 3px;
}

.floating-bg__shape--plus::before {
  inset: 42% 0;
}

.floating-bg__shape--plus::after {
  inset: 0 42%;
}

/* 常時の浮遊アニメーション（3パターン） */
.f-float-1 {
  animation: f-float-1 9s ease-in-out infinite;
}

.f-float-2 {
  animation: f-float-2 12s ease-in-out infinite;
}

.f-float-3 {
  animation: f-float-3 15s ease-in-out infinite;
}

@keyframes f-float-1 {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }

  50% {
    transform: translate(24px, -30px) rotate(14deg);
  }
}

@keyframes f-float-2 {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }

  50% {
    transform: translate(-30px, 24px) rotate(-18deg);
  }
}

@keyframes f-float-3 {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  50% {
    transform: translate(18px, 34px) scale(1.08);
  }
}

/* ============================================
   Giant Word（セクション背景の巨大アウトライン英字）
============================================ */
.giant-word {
  position: absolute;
  top: 0.4rem;
  z-index: 0;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: clamp(5rem, 17vw, 15rem);
  line-height: 1;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 90, 31, 0.16);
  pointer-events: none;
  user-select: none;
  will-change: transform;
}

.giant-word--right {
  right: -2%;
}

.giant-word--left {
  left: -2%;
}

/* ============================================
   Marquee（無限ループ帯・FV下端）
============================================ */
.marquee {
  background: var(--orange);
  position: relative;
  z-index: 5;
  overflow: hidden;
  flex: none;
}

.marquee--reverse .marquee__track {
  animation-direction: reverse;
}

.marquee--tilt {
  transform: rotate(-1.6deg) scale(1.03);
  margin-block: clamp(1rem, 3vw, 2rem) -1rem;
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 36s linear infinite;
}

.marquee__text {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  letter-spacing: 0.08em;
  color: #fff;
  white-space: nowrap;
  padding-block: 0.8em;
}

@keyframes marquee-scroll {
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track,
  .f-float-1,
  .f-float-2,
  .f-float-3,
  .hero__badge-svg,
  .hero__scroll-line::after {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================
   Loader（ローディング演出）
============================================ */
.loader {
  position: fixed;
  inset: 0;
  z-index: 300;
}

.loader__panel {
  position: absolute;
  inset: 0;
  will-change: transform;
}

.loader__panel--orange {
  background: var(--orange);
}

.loader__panel--paper {
  background: var(--paper);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.loader__brand {
  display: flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  letter-spacing: 0.08em;
  overflow: hidden;
}

.loader__mark {
  width: 0.8em;
  height: 0.8em;
  background: var(--orange);
  border-radius: 26%;
  margin-right: 0.3em;
  will-change: transform;
}

.loader__brand-char {
  display: inline-block;
  will-change: transform, opacity;
}

.loader__count {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: clamp(4rem, 15vw, 9.5rem);
  line-height: 1;
  letter-spacing: 0.02em;
}

.loader__count-unit {
  color: var(--orange);
  font-size: 0.4em;
  margin-left: 0.08em;
}

.loader__tag {
  position: absolute;
  left: clamp(1.25rem, 4vw, 2.5rem);
  bottom: 2rem;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--ink-soft);
}

/* ============================================
   Custom Cursor（カーソルインタラクション）
============================================ */
@media (pointer: fine) {
  body.has-custom-cursor,
  body.has-custom-cursor * {
    cursor: none !important;
  }
}

.cursor__dot,
.cursor__ring {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 400;
  pointer-events: none;
  opacity: 0;
  will-change: transform;
}

.cursor__dot::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

.cursor__ring::after {
  content: '';
  position: absolute;
  top: -21px;
  left: -21px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1.5px solid rgba(38, 34, 29, 0.45);
  background: rgba(255, 90, 31, 0);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), background-color 0.3s ease,
    border-color 0.3s ease;
}

.cursor__ring.is-hover::after {
  transform: scale(1.6);
  background: rgba(255, 90, 31, 0.14);
  border-color: var(--orange);
}

.cursor__ring.is-label::after {
  transform: scale(2.1);
  background: rgba(255, 90, 31, 0.92);
  border-color: var(--orange);
}

.cursor__label {
  position: absolute;
  transform: translate(-50%, -50%);
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: #fff;
  opacity: 0;
  transition: opacity 0.25s ease;
  white-space: nowrap;
}

.cursor__ring.is-label .cursor__label {
  opacity: 1;
}

/* ============================================
   Footer
============================================ */
.footer {
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  padding-block: 4rem 2rem;
}

.footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer__logo {
  display: inline-block;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: 0.06em;
}

/* ロゴ画像は白背景のため multiply で紙色背景になじませる。
   余白除去版（logo-footer.png）を使い、絵柄の左端をコンテナ左端＝
   コピーライトのグリッドに揃える。高さは従来の絵柄実寸を維持（旧96px枠内の絵柄相当） */
.footer__logo-img {
  display: block;
  height: 73px;
  width: auto;
  mix-blend-mode: multiply;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem 2rem;
}

.footer__link {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  transition: color 0.25s ease;
}

.footer__link:hover {
  color: var(--orange);
}

.footer__bottom {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

/* ============================================
   Coming Soon（下層ページ仮置き）
============================================ */
.coming-soon {
  padding-block: calc(var(--header-h) + 6rem) 8rem;
  min-height: 70vh;
}

.coming-soon__title {
  font-family: var(--font-en);
  font-weight: 800;
  font-size: clamp(2.6rem, 8vw, 5rem);
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.coming-soon__jp {
  color: var(--orange);
  font-weight: 700;
  margin-top: 0.6rem;
}

.coming-soon__note {
  color: var(--ink-soft);
  margin-block: 1.5rem 2.5rem;
}