/* ==========================================================================
   映画『ナギダイアリー』超ティザーLP — styles.css
   コンセプト: 凪（なぎ）— 静謐・余白・日本の形式美
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  --color-bg: #faf9f5;
  --color-bg-alt: #f3f1ea;
  --color-bg-dark: #1a1a18;
  --color-text: #1a1a18;
  --color-text-sub: #4a4a45;
  --color-text-muted: #8a8a82;
  --color-text-light: #c8c6be;
  --color-accent: #b8a472;
  --color-rule: #d4d0c4;
  --color-placeholder: #e8e6de;
  --color-white: #faf9f5;

  --font-family: "Hiragino Mincho ProN", "Hiragino Mincho Pro",
    "Yu Mincho", "YuMincho", "Noto Serif JP", "Times New Roman", serif;
  --font-family-sans: "Hiragino Kaku Gothic ProN", "Hiragino Sans",
    "Noto Sans JP", "Yu Gothic", "Meiryo", sans-serif;
  --font-size-base: 15px;
  --font-size-sm: 13px;
  --font-size-xs: 10px;
  --font-size-lg: 17px;
  --font-size-xl: 22px;
  --font-size-2xl: 28px;

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 96px;
  --space-2xl: 140px;

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --duration-slow: 1.4s;
  --duration-normal: 0.8s;
  --duration-fast: 0.4s;
}

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

html {
  font-size: var(--font-size-base);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.8;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.sp-only {
  display: inline;
}

.pc-only {
  display: none;
}

@media (min-width: 768px) {
  .sp-only {
    display: none;
  }

  .pc-only {
    display: inline;
  }
}

/* ==========================================================================
   CURTAIN — Opening cinematic reveal
   ========================================================================== */
.curtain {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-dark);
  transition: opacity 1.2s var(--ease-out-expo),
    visibility 0s 1.2s;
}

.curtain.is-open {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.curtain__inner {
  text-align: center;
  padding: 0 32px;
}

.curtain__logo {
  width: 50vw;
  max-width: 360px;
  opacity: 0;
  transform: translateY(12px);
  animation: curtainTextIn 1.6s var(--ease-out-expo) 0.4s forwards;
  filter: brightness(0) invert(1);
}

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

/* ==========================================================================
   HERO — Full viewport cinematic landscape
   ========================================================================== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100svh;
  min-height: 100dvh;
  overflow: hidden;
  background-color: var(--color-bg);
  padding-top: env(safe-area-inset-top, 0px);
}

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

.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  transform: scale(1.06);
  animation: heroZoom 18s linear forwards;
}

@keyframes heroZoom {
  to {
    transform: scale(1.0);
  }
}

.hero__bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      rgba(250, 249, 245, 0.55) 0%,
      rgba(250, 249, 245, 0.20) 30%,
      rgba(250, 249, 245, 0.05) 50%,
      rgba(250, 249, 245, 0.30) 75%,
      rgba(250, 249, 245, 0.85) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 24px;
}

.hero__title-block {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__director {
  font-family: var(--font-family);
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--color-text);
  font-weight: 400;
  margin-top: 0;
  margin-bottom: 60px;
  text-shadow:
    0 0 20px rgba(250, 249, 245, 1),
    0 0 40px rgba(250, 249, 245, 0.85),
    0 0 60px rgba(250, 249, 245, 0.5);
}

.hero__logo {
  width: 80vw;
  max-width: 520px;
}

.hero__logo img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 1px 16px rgba(255, 255, 255, 0.5));
}

.hero__logo-fallback {
  display: none;
  font-size: clamp(1.6rem, 6vw, 2.8rem);
  font-weight: 400;
  letter-spacing: 0.4em;
  font-family: var(--font-family);
}

.hero__logo img.is-error+.hero__logo-fallback {
  display: block;
}

.hero__logo img.is-error {
  display: none;
}

.hero__catchcopy {
  margin-top: 28px;
  font-family: var(--font-family);
  font-size: clamp(13px, 3vw, 16px);
  font-weight: 300;
  letter-spacing: 0.3em;
  line-height: 2;
  color: var(--color-text-sub);
  text-shadow: 0 0 24px rgba(250, 249, 245, 0.9), 0 0 48px rgba(250, 249, 245, 0.6);
}

/* ---------- Billing (cast credits) ---------- */
.hero__billing {
  margin-top: 80px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__billing-img {
  width: 70vw;
  max-width: 460px;
  height: auto;
}

.hero__release {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
  padding: 24px 24px;
  padding-bottom: calc(48px + env(safe-area-inset-bottom, 0px));
  text-align: center;
}

.hero__release-text {
  font-family: var(--font-family-sans);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--color-text);
  font-weight: 700;
  padding: 10px 28px;
  display: inline-block;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, var(--color-text-muted), transparent);
  animation: scrollPulse 2.4s var(--ease-out-quart) infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scaleY(0.6);
    transform-origin: top;
  }

  50% {
    opacity: 0.7;
    transform: scaleY(1);
    transform-origin: top;
  }
}

/* ==========================================================================
   SECTIONS — Shared layout
   ========================================================================== */
.section {
  padding: var(--space-xl) 24px;
}

.section__inner {
  max-width: 720px;
  margin: 0 auto;
}

.section__heading {
  font-family: var(--font-family-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-lg);
}

/* ==========================================================================
   INTRODUCTION
   ========================================================================== */
.section--intro {
  background-color: var(--color-bg);
  text-align: center;
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.intro__lead {
  font-family: var(--font-family);
  font-size: clamp(15px, 3.8vw, 20px);
  font-weight: 300;
  letter-spacing: 0.2em;
  line-height: 2.4;
  color: var(--color-text);
}

.intro__divider {
  width: 1px;
  height: 48px;
  background-color: var(--color-rule);
  margin: var(--space-lg) auto;
}

.intro__sub p {
  font-family: var(--font-family);
  font-size: clamp(13px, 3vw, 16px);
  font-weight: 300;
  letter-spacing: 0.25em;
  line-height: 2.2;
  color: var(--color-text-sub);
}

/* ==========================================================================
   CAST
   ========================================================================== */
.section--cast {
  background-color: var(--color-bg-alt);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.cast-grid {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: var(--space-lg);
}

.cast-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  flex: 0 1 auto;
}

.cast-card__img-wrap {
  position: relative;
  width: 26vw;
  max-width: 180px;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--color-placeholder);
}

.cast-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  transition: transform 0.8s var(--ease-out-expo);
}

.cast-card:hover .cast-card__img-wrap img {
  transform: scale(1.04);
}

.cast-card__info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.cast-card__name {
  font-family: var(--font-family);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--color-text);
  font-weight: 400;
}

.cast-card__role {
  font-family: var(--font-family-sans);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  font-weight: 300;
}

.cast-card__ph {
  display: none;
  position: absolute;
  inset: 0;
  background: var(--color-placeholder);
}

.cast-card__img-wrap img.is-error {
  display: none;
}

.cast-card__img-wrap img.is-error~.cast-card__ph {
  display: block;
}

.cast-names {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.cast-names__row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.cast-names__row--main .cast-names__name {
  font-family: var(--font-family);
  font-size: var(--font-size-lg);
  letter-spacing: 0.28em;
  color: var(--color-text);
  font-weight: 400;
}

.cast-names__row--sub .cast-names__name {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  letter-spacing: 0.18em;
  color: var(--color-text-sub);
  font-weight: 300;
}

.cast-names__name {
  white-space: nowrap;
}

.cast-names__row--main .cast-names__name+.cast-names__name {
  margin-left: 1.8em;
}

.cast-names__row--sub .cast-names__name+.cast-names__name {
  margin-left: 1.2em;
}

/* ==========================================================================
   ABOUT THE FILM
   ========================================================================== */
.section--about {
  background-color: var(--color-bg);
  text-align: center;
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-xl);
}

.about__tagline {
  margin-bottom: var(--space-lg);
}

.about__tagline p {
  font-family: var(--font-family);
  font-size: clamp(17px, 4vw, 24px);
  font-weight: 400;
  letter-spacing: 0.2em;
  line-height: 2;
  color: var(--color-text);
}

.about__body p {
  font-family: var(--font-family);
  font-size: clamp(13px, 3vw, 15px);
  font-weight: 300;
  letter-spacing: 0.1em;
  line-height: 2.4;
  color: var(--color-text-sub);
}

/* ==========================================================================
   STORY
   ========================================================================== */
.section--story {
  background-color: var(--color-bg-alt);
  text-align: center;
  padding-top: var(--space-xl);
  padding-bottom: var(--space-2xl);
}

.story__text {
  text-align: left;
}

.story__text p {
  font-family: var(--font-family);
  font-size: clamp(14px, 3.5vw, 17px);
  font-weight: 300;
  letter-spacing: 0.15em;
  line-height: 1.9;
  color: var(--color-text);
}

.story__text p+p {
  margin-top: 1em;
}

/* ---------- Cast card lead (center) ---------- */
.cast-card--lead .cast-card__img-wrap {
  width: 30vw;
  max-width: 200px;
}

/* ==========================================================================
   COMMENTS — Cast & Director (四角写真縦積みレイアウト)
   ========================================================================== */
.section--comments {
  background-color: var(--color-bg);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-2xl);
}

.comment-block {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-rule);
  text-align: center;
}

.comment-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

/* 四角い写真 */
.comment-block__photo-rect {
  width: 60%;
  max-width: 320px;
  margin: 0 auto var(--space-md);
  overflow: hidden;
  background: var(--color-placeholder);
}

.comment-block__photo-rect img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* キャスト名・役名 */
.comment-block__cast-info {
  text-align: center;
  margin-bottom: var(--space-md);
}

.comment-block__name {
  font-family: var(--font-family);
  font-size: var(--font-size-lg);
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-text);
  margin: 0 0 4px 0;
}

.comment-block__role {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-sm);
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  font-weight: 300;
  margin: 0;
}

.comment-block__label {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-sm);
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  font-weight: 400;
  margin: 0 0 4px 0;
}

/* Comment area */
.comment-block__comment-area {
  text-align: left;
}

.comment-block__comment-heading {
  font-family: var(--font-family-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  text-align: center;
}

.comment-block__text {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  letter-spacing: 0.06em;
  line-height: 2.2;
  color: var(--color-text-sub);
  font-weight: 300;
}

.comment-block--director {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: none;
  border-bottom: none;
}

/* ==========================================================================
   STAFF
   ========================================================================== */
.section--staff {
  background-color: var(--color-bg);
  text-align: center;
}

.staff-block {
  margin-bottom: var(--space-lg);
}

.staff-block__role {
  font-family: var(--font-family-sans);
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--color-text-muted);
  font-weight: 400;
  margin-bottom: var(--space-xs);
}

.staff-block__name {
  font-family: var(--font-family);
  font-size: var(--font-size-xl);
  letter-spacing: 0.35em;
  color: var(--color-text);
  font-weight: 400;
  margin-bottom: var(--space-sm);
}

.staff-block__bio {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  line-height: 2.2;
  color: var(--color-text-sub);
  font-weight: 300;
}

.staff-logos {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-rule);
}

.staff-logos__label {
  font-family: var(--font-family-sans);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  font-weight: 400;
  margin-bottom: 4px;
  margin-top: var(--space-sm);
}

.staff-logos__label:first-child {
  margin-top: 0;
}

.staff-logos__text {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-sm);
  letter-spacing: 0.06em;
  color: var(--color-text-sub);
  font-weight: 300;
}

/* ==========================================================================
   INFO
   ========================================================================== */
.section--info {
  background-color: var(--color-bg-alt);
  text-align: center;
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.info-block__date {
  font-family: var(--font-family);
  font-size: var(--font-size-xl);
  letter-spacing: 0.3em;
  color: var(--color-text);
  font-weight: 400;
  margin-bottom: var(--space-xs);
}

.info-block__theater {
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  letter-spacing: 0.15em;
  color: var(--color-text-sub);
  font-weight: 300;
}

/* ---------- SNS Badges ---------- */
.sns-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin-top: var(--space-lg);
}

.hero__sns {
  margin-top: 28px;
}

.sns-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--color-rule);
  border-radius: 100px;
  text-decoration: none;
  color: var(--color-text-sub);
  transition: color var(--duration-fast) var(--ease-out-quart),
    border-color var(--duration-fast) var(--ease-out-quart),
    background-color var(--duration-fast) var(--ease-out-quart);
}

.sns-badge:hover {
  color: var(--color-text);
  border-color: var(--color-text-sub);
  background-color: rgba(26, 26, 24, 0.04);
}

.hero__sns .sns-badge {
  border-color: rgba(74, 74, 69, 0.35);
  background-color: rgba(250, 249, 245, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  text-shadow: 0 0 16px rgba(250, 249, 245, 0.8);
}

.hero__sns .sns-badge:hover {
  border-color: rgba(74, 74, 69, 0.6);
  background-color: rgba(250, 249, 245, 0.65);
}

.sns-badge__icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.sns-badge__label {
  font-family: var(--font-family-sans);
  font-size: 11px;
  letter-spacing: 0.04em;
  font-weight: 400;
  white-space: nowrap;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  padding: 28px 24px;
  padding-bottom: calc(28px + env(safe-area-inset-bottom, 0px));
  text-align: center;
  background-color: var(--color-bg-dark);
}

.site-footer__copy {
  font-family: var(--font-family-sans);
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  letter-spacing: 0.08em;
  font-weight: 300;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
.anim-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}

.anim-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}

.anim-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-reveal[data-delay="0"] {
  transition-delay: 0s;
}

.anim-reveal[data-delay="1"] {
  transition-delay: 0.3s;
}

.anim-reveal[data-delay="2"] {
  transition-delay: 0.6s;
}

.anim-reveal[data-delay="3"] {
  transition-delay: 0.9s;
}

@media (prefers-reduced-motion: reduce) {

  .anim-scroll,
  .anim-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .curtain {
    display: none;
  }

  .hero__bg-img {
    animation: none;
    transform: scale(1);
  }

  .hero__scroll-line {
    animation: none;
  }
}

/* ==========================================================================
   RESPONSIVE — Tablet (768px+)
   ========================================================================== */
@media (min-width: 768px) {
  .hero__director {
    font-size: 15px;
    letter-spacing: 0.5em;
    margin-top: 0;
    margin-bottom: 72px;
  }

  .hero__logo {
    width: 45vw;
    max-width: 560px;
  }

  .hero__billing-img {
    width: 40vw;
    max-width: 480px;
  }

  .hero__catchcopy {
    margin-top: 36px;
    letter-spacing: 0.35em;
  }

  .hero__release-text {
    font-size: 14px;
    letter-spacing: 0.24em;
    font-weight: 700;
    padding: 12px 36px;
  }

  .section {
    padding: var(--space-2xl) 40px;
  }

  .section--intro {
    padding-top: 180px;
    padding-bottom: 180px;
  }

  .intro__divider {
    height: 64px;
    margin: var(--space-xl) auto;
  }

  .cast-grid {
    gap: 32px;
    margin-bottom: var(--space-xl);
  }

  .cast-card {
    gap: 16px;
  }

  .cast-card__img-wrap {
    width: 18vw;
    max-width: 200px;
  }

  .cast-card__name {
    font-size: 13px;
    letter-spacing: 0.25em;
  }

  .cast-card__role {
    font-size: 11px;
  }

  .cast-names {
    gap: 8px;
  }

  .cast-names__row--main .cast-names__name {
    font-size: 19px;
    letter-spacing: 0.32em;
  }

  .cast-names__row--sub .cast-names__name {
    font-size: var(--font-size-base);
    letter-spacing: 0.22em;
  }

  .cast-names__row--main .cast-names__name+.cast-names__name {
    margin-left: 2.4em;
  }

  .cast-names__row--sub .cast-names__name+.cast-names__name {
    margin-left: 1.6em;
  }

  .staff-block__name {
    font-size: var(--font-size-2xl);
  }

  .staff-block__bio {
    font-size: var(--font-size-base);
  }

  .info-block__date {
    font-size: var(--font-size-2xl);
  }

  .info-block__theater {
    font-size: var(--font-size-base);
  }

  /* About */
  .about__body p {
    font-size: 15px;
    letter-spacing: 0.12em;
  }

  /* Story */
  .story__text p {
    font-size: 17px;
  }

  /* Cast lead (center) */
  .cast-card--lead .cast-card__img-wrap {
    width: 20vw;
    max-width: 220px;
  }

  /* Billing */
  .hero__billing-img {
    width: 40vw;
    max-width: 540px;
  }

  /* Comments */
  .comment-block__photo-rect {
    width: 50%;
    max-width: 360px;
  }

  .comment-block__name {
    font-size: var(--font-size-xl);
  }

  .comment-block__text {
    font-size: var(--font-size-base);
  }
}

/* ---------- Large screens (1200px+) ---------- */
@media (min-width: 1200px) {
  .hero__logo {
    width: 36vw;
    max-width: 600px;
  }

  .hero__billing-img {
    width: 32vw;
    max-width: 520px;
  }

  .section__inner {
    max-width: 800px;
  }

  .cast-grid {
    gap: 48px;
  }

  .cast-card__img-wrap {
    width: 14vw;
    max-width: 220px;
  }

  .cast-card__name {
    font-size: 14px;
  }

  .cast-names__row--main .cast-names__name {
    font-size: 21px;
  }

  .cast-names__row--sub .cast-names__name {
    font-size: var(--font-size-lg);
  }

  .cast-card--lead .cast-card__img-wrap {
    width: 16vw;
    max-width: 240px;
  }
}